libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-15 14:18:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
d86504ef88
scummvm/engines/sci/console.cpp

3865 lines
120 KiB
C++
Raw Blame History

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
// Console module
#include "sci/sci.h"
#include "sci/console.h"
#include "sci/debug.h"
#include "sci/event.h"
#include "sci/resource.h"
#include "sci/engine/state.h"
#include "sci/engine/kernel.h"
#include "sci/engine/selector.h"
#include "sci/engine/savegame.h"
#include "sci/engine/gc.h"
#include "sci/engine/features.h"
#include "sci/sound/midiparser_sci.h"
#include "sci/sound/music.h"
#include "sci/sound/drivers/mididriver.h"
#include "sci/sound/drivers/map-mt32-to-gm.h"
#include "sci/graphics/animate.h"
#include "sci/graphics/cache.h"
#include "sci/graphics/cursor.h"
#include "sci/graphics/screen.h"
#include "sci/graphics/paint.h"
#include "sci/graphics/paint16.h"
#include "sci/graphics/paint32.h"
#include "sci/graphics/palette.h"
#include "sci/graphics/ports.h"
#include "sci/graphics/view.h"
#include "sci/parser/vocabulary.h"
#include "video/avi_decoder.h"
#include "sci/video/seq_decoder.h"
#ifdef ENABLE_SCI32
#include "video/coktel_decoder.h"
#include "sci/video/robot_decoder.h"
#endif
#include "common/file.h"
#include "common/savefile.h"
#include "engines/util.h"
namespace Sci {
int g_debug_sleeptime_factor = 1;
int g_debug_simulated_key = 0;
bool g_debug_track_mouse_clicks = false;
// Refer to the "addresses" command on how to pass address parameters
static int parse_reg_t(EngineState *s, const char *str, reg_t *dest, bool mayBeValue);
Console::Console(SciEngine *engine) : GUI::Debugger(),
_engine(engine), _debugState(engine->_debugState) {
// Variables
DVar_Register("sleeptime_factor", &g_debug_sleeptime_factor, DVAR_INT, 0);
DVar_Register("gc_interval", &engine->_gamestate->scriptGCInterval, DVAR_INT, 0);
DVar_Register("simulated_key", &g_debug_simulated_key, DVAR_INT, 0);
DVar_Register("track_mouse_clicks", &g_debug_track_mouse_clicks, DVAR_BOOL, 0);
DVar_Register("script_abort_flag", &_engine->_gamestate->abortScriptProcessing, DVAR_INT, 0);
// General
DCmd_Register("help", WRAP_METHOD(Console, cmdHelp));
// Kernel
// DCmd_Register("classes", WRAP_METHOD(Console, cmdClasses)); // TODO
DCmd_Register("opcodes", WRAP_METHOD(Console, cmdOpcodes));
DCmd_Register("selector", WRAP_METHOD(Console, cmdSelector));
DCmd_Register("selectors", WRAP_METHOD(Console, cmdSelectors));
DCmd_Register("functions", WRAP_METHOD(Console, cmdKernelFunctions));
DCmd_Register("class_table", WRAP_METHOD(Console, cmdClassTable));
// Parser
DCmd_Register("suffixes", WRAP_METHOD(Console, cmdSuffixes));
DCmd_Register("parse_grammar", WRAP_METHOD(Console, cmdParseGrammar));
DCmd_Register("parser_nodes", WRAP_METHOD(Console, cmdParserNodes));
DCmd_Register("parser_words", WRAP_METHOD(Console, cmdParserWords));
DCmd_Register("sentence_fragments", WRAP_METHOD(Console, cmdSentenceFragments));
DCmd_Register("parse", WRAP_METHOD(Console, cmdParse));
DCmd_Register("set_parse_nodes", WRAP_METHOD(Console, cmdSetParseNodes));
DCmd_Register("said", WRAP_METHOD(Console, cmdSaid));
// Resources
DCmd_Register("diskdump", WRAP_METHOD(Console, cmdDiskDump));
DCmd_Register("hexdump", WRAP_METHOD(Console, cmdHexDump));
DCmd_Register("resource_id", WRAP_METHOD(Console, cmdResourceId));
DCmd_Register("resource_info", WRAP_METHOD(Console, cmdResourceInfo));
DCmd_Register("resource_types", WRAP_METHOD(Console, cmdResourceTypes));
DCmd_Register("list", WRAP_METHOD(Console, cmdList));
DCmd_Register("hexgrep", WRAP_METHOD(Console, cmdHexgrep));
DCmd_Register("verify_scripts", WRAP_METHOD(Console, cmdVerifyScripts));
// Game
DCmd_Register("save_game", WRAP_METHOD(Console, cmdSaveGame));
DCmd_Register("restore_game", WRAP_METHOD(Console, cmdRestoreGame));
DCmd_Register("restart_game", WRAP_METHOD(Console, cmdRestartGame));
DCmd_Register("version", WRAP_METHOD(Console, cmdGetVersion));
DCmd_Register("room", WRAP_METHOD(Console, cmdRoomNumber));
DCmd_Register("quit", WRAP_METHOD(Console, cmdQuit));
DCmd_Register("list_saves", WRAP_METHOD(Console, cmdListSaves));
// Graphics
DCmd_Register("show_map", WRAP_METHOD(Console, cmdShowMap));
DCmd_Register("set_palette", WRAP_METHOD(Console, cmdSetPalette));
DCmd_Register("draw_pic", WRAP_METHOD(Console, cmdDrawPic));
DCmd_Register("draw_cel", WRAP_METHOD(Console, cmdDrawCel));
DCmd_Register("undither", WRAP_METHOD(Console, cmdUndither));
DCmd_Register("pic_visualize", WRAP_METHOD(Console, cmdPicVisualize));
DCmd_Register("play_video", WRAP_METHOD(Console, cmdPlayVideo));
DCmd_Register("animate_list", WRAP_METHOD(Console, cmdAnimateList));
DCmd_Register("al", WRAP_METHOD(Console, cmdAnimateList)); // alias
DCmd_Register("window_list", WRAP_METHOD(Console, cmdWindowList));
DCmd_Register("wl", WRAP_METHOD(Console, cmdWindowList)); // alias
// Segments
DCmd_Register("segment_table", WRAP_METHOD(Console, cmdPrintSegmentTable));
DCmd_Register("segtable", WRAP_METHOD(Console, cmdPrintSegmentTable)); // alias
DCmd_Register("segment_info", WRAP_METHOD(Console, cmdSegmentInfo));
DCmd_Register("seginfo", WRAP_METHOD(Console, cmdSegmentInfo)); // alias
DCmd_Register("segment_kill", WRAP_METHOD(Console, cmdKillSegment));
DCmd_Register("segkill", WRAP_METHOD(Console, cmdKillSegment)); // alias
// Garbage collection
DCmd_Register("gc", WRAP_METHOD(Console, cmdGCInvoke));
DCmd_Register("gc_objects", WRAP_METHOD(Console, cmdGCObjects));
DCmd_Register("gc_reachable", WRAP_METHOD(Console, cmdGCShowReachable));
DCmd_Register("gc_freeable", WRAP_METHOD(Console, cmdGCShowFreeable));
DCmd_Register("gc_normalize", WRAP_METHOD(Console, cmdGCNormalize));
// Music/SFX
DCmd_Register("songlib", WRAP_METHOD(Console, cmdSongLib));
DCmd_Register("songinfo", WRAP_METHOD(Console, cmdSongInfo));
DCmd_Register("is_sample", WRAP_METHOD(Console, cmdIsSample));
DCmd_Register("startsound", WRAP_METHOD(Console, cmdStartSound));
DCmd_Register("togglesound", WRAP_METHOD(Console, cmdToggleSound));
DCmd_Register("stopallsounds", WRAP_METHOD(Console, cmdStopAllSounds));
DCmd_Register("sfx01_header", WRAP_METHOD(Console, cmdSfx01Header));
DCmd_Register("sfx01_track", WRAP_METHOD(Console, cmdSfx01Track));
DCmd_Register("show_instruments", WRAP_METHOD(Console, cmdShowInstruments));
DCmd_Register("map_instrument", WRAP_METHOD(Console, cmdMapInstrument));
// Script
DCmd_Register("addresses", WRAP_METHOD(Console, cmdAddresses));
DCmd_Register("registers", WRAP_METHOD(Console, cmdRegisters));
DCmd_Register("dissect_script", WRAP_METHOD(Console, cmdDissectScript));
DCmd_Register("backtrace", WRAP_METHOD(Console, cmdBacktrace));
DCmd_Register("bt", WRAP_METHOD(Console, cmdBacktrace)); // alias
DCmd_Register("trace", WRAP_METHOD(Console, cmdTrace));
DCmd_Register("t", WRAP_METHOD(Console, cmdTrace)); // alias
DCmd_Register("s", WRAP_METHOD(Console, cmdTrace)); // alias
DCmd_Register("stepover", WRAP_METHOD(Console, cmdStepOver));
DCmd_Register("p", WRAP_METHOD(Console, cmdStepOver)); // alias
DCmd_Register("step_ret", WRAP_METHOD(Console, cmdStepRet));
DCmd_Register("pret", WRAP_METHOD(Console, cmdStepRet)); // alias
DCmd_Register("step_event", WRAP_METHOD(Console, cmdStepEvent));
DCmd_Register("se", WRAP_METHOD(Console, cmdStepEvent)); // alias
DCmd_Register("step_global", WRAP_METHOD(Console, cmdStepGlobal));
DCmd_Register("sg", WRAP_METHOD(Console, cmdStepGlobal)); // alias
DCmd_Register("step_callk", WRAP_METHOD(Console, cmdStepCallk));
DCmd_Register("snk", WRAP_METHOD(Console, cmdStepCallk)); // alias
DCmd_Register("disasm", WRAP_METHOD(Console, cmdDisassemble));
DCmd_Register("disasm_addr", WRAP_METHOD(Console, cmdDisassembleAddress));
DCmd_Register("find_callk", WRAP_METHOD(Console, cmdFindKernelFunctionCall));
DCmd_Register("send", WRAP_METHOD(Console, cmdSend));
DCmd_Register("go", WRAP_METHOD(Console, cmdGo));
DCmd_Register("logkernel", WRAP_METHOD(Console, cmdLogKernel));
// Breakpoints
DCmd_Register("bp_list", WRAP_METHOD(Console, cmdBreakpointList));
DCmd_Register("bplist", WRAP_METHOD(Console, cmdBreakpointList)); // alias
DCmd_Register("bl", WRAP_METHOD(Console, cmdBreakpointList)); // alias
DCmd_Register("bp_del", WRAP_METHOD(Console, cmdBreakpointDelete));
DCmd_Register("bpdel", WRAP_METHOD(Console, cmdBreakpointDelete)); // alias
DCmd_Register("bc", WRAP_METHOD(Console, cmdBreakpointDelete)); // alias
DCmd_Register("bp_method", WRAP_METHOD(Console, cmdBreakpointMethod));
DCmd_Register("bpx", WRAP_METHOD(Console, cmdBreakpointMethod)); // alias
DCmd_Register("bp_read", WRAP_METHOD(Console, cmdBreakpointRead));
DCmd_Register("bpr", WRAP_METHOD(Console, cmdBreakpointRead)); // alias
DCmd_Register("bp_write", WRAP_METHOD(Console, cmdBreakpointWrite));
DCmd_Register("bpw", WRAP_METHOD(Console, cmdBreakpointWrite)); // alias
DCmd_Register("bp_kernel", WRAP_METHOD(Console, cmdBreakpointKernel));
DCmd_Register("bpk", WRAP_METHOD(Console, cmdBreakpointKernel)); // alias
DCmd_Register("bp_function", WRAP_METHOD(Console, cmdBreakpointFunction));
DCmd_Register("bpe", WRAP_METHOD(Console, cmdBreakpointFunction)); // alias
// VM
DCmd_Register("script_steps", WRAP_METHOD(Console, cmdScriptSteps));
DCmd_Register("vm_varlist", WRAP_METHOD(Console, cmdVMVarlist));
DCmd_Register("vmvarlist", WRAP_METHOD(Console, cmdVMVarlist)); // alias
DCmd_Register("vl", WRAP_METHOD(Console, cmdVMVarlist)); // alias
DCmd_Register("vm_vars", WRAP_METHOD(Console, cmdVMVars));
DCmd_Register("vmvars", WRAP_METHOD(Console, cmdVMVars)); // alias
DCmd_Register("vv", WRAP_METHOD(Console, cmdVMVars)); // alias
DCmd_Register("stack", WRAP_METHOD(Console, cmdStack));
DCmd_Register("value_type", WRAP_METHOD(Console, cmdValueType));
DCmd_Register("view_listnode", WRAP_METHOD(Console, cmdViewListNode));
DCmd_Register("view_reference", WRAP_METHOD(Console, cmdViewReference));
DCmd_Register("vr", WRAP_METHOD(Console, cmdViewReference)); // alias
DCmd_Register("view_object", WRAP_METHOD(Console, cmdViewObject));
DCmd_Register("vo", WRAP_METHOD(Console, cmdViewObject)); // alias
DCmd_Register("active_object", WRAP_METHOD(Console, cmdViewActiveObject));
DCmd_Register("acc_object", WRAP_METHOD(Console, cmdViewAccumulatorObject));
_debugState.seeking = kDebugSeekNothing;
_debugState.seekLevel = 0;
_debugState.runningStep = 0;
_debugState.stopOnEvent = false;
_debugState.debugging = false;
_debugState.breakpointWasHit = false;
_debugState._breakpoints.clear(); // No breakpoints defined
_debugState._activeBreakpointTypes = 0;
}
Console::~Console() {
}
void Console::preEnter() {
_engine->pauseEngine(true);
}
extern void playVideo(Video::VideoDecoder *videoDecoder, VideoState videoState);
void Console::postEnter() {
if (!_videoFile.empty()) {
Video::VideoDecoder *videoDecoder = 0;
#ifdef ENABLE_SCI32
bool duckMode = false;
#endif
if (_videoFile.hasSuffix(".seq")) {
SeqDecoder *seqDecoder = new SeqDecoder();
seqDecoder->setFrameDelay(_videoFrameDelay);
videoDecoder = seqDecoder;
#ifdef ENABLE_SCI32
} else if (_videoFile.hasSuffix(".vmd")) {
videoDecoder = new Video::VMDDecoder(g_system->getMixer());
} else if (_videoFile.hasSuffix(".rbt")) {
videoDecoder = new RobotDecoder(g_system->getMixer(), _engine->getPlatform() == Common::kPlatformMacintosh);
} else if (_videoFile.hasSuffix(".duk")) {
duckMode = true;
videoDecoder = new Video::AviDecoder(g_system->getMixer());
#endif
} else if (_videoFile.hasSuffix(".avi")) {
videoDecoder = new Video::AviDecoder(g_system->getMixer());
} else {
warning("Unrecognized video type");
}
if (videoDecoder && videoDecoder->loadFile(_videoFile)) {
_engine->_gfxCursor->kernelHide();
#ifdef ENABLE_SCI32
// Duck videos are 16bpp, so we need to change pixel formats
int oldWidth = g_system->getWidth();
int oldHeight = g_system->getHeight();
if (duckMode) {
Common::List<Graphics::PixelFormat> formats;
formats.push_back(videoDecoder->getPixelFormat());
initGraphics(640, 480, true, formats);
if (g_system->getScreenFormat().bytesPerPixel != videoDecoder->getPixelFormat().bytesPerPixel)
error("Could not switch screen format for the duck video");
}
#endif
VideoState emptyState;
emptyState.fileName = _videoFile;
emptyState.flags = kDoubled; // always allow the videos to be double sized
playVideo(videoDecoder, emptyState);
#ifdef ENABLE_SCI32
// Switch back to 8bpp if we played a duck video
if (duckMode)
initGraphics(oldWidth, oldHeight, oldWidth > 320);
#endif
_engine->_gfxCursor->kernelShow();
} else
warning("Could not play video %s\n", _videoFile.c_str());
_videoFile.clear();
_videoFrameDelay = 0;
}
_engine->pauseEngine(false);
}
bool Console::cmdHelp(int argc, const char **argv) {
DebugPrintf("\n");
DebugPrintf("Variables\n");
DebugPrintf("---------\n");
DebugPrintf("sleeptime_factor: Factor to multiply with wait times in kWait()\n");
DebugPrintf("gc_interval: Number of kernel calls in between garbage collections\n");
DebugPrintf("simulated_key: Add a key with the specified scan code to the event list\n");
DebugPrintf("track_mouse_clicks: Toggles mouse click tracking to the console\n");
DebugPrintf("weak_validations: Turns some validation errors into warnings\n");
DebugPrintf("script_abort_flag: Set to 1 to abort script execution. Set to 2 to force a replay afterwards\n");
DebugPrintf("\n");
DebugPrintf("Debug flags\n");
DebugPrintf("-----------\n");
DebugPrintf("debugflag_list - Lists the available debug flags and their status\n");
DebugPrintf("debugflag_enable - Enables a debug flag\n");
DebugPrintf("debugflag_disable - Disables a debug flag\n");
DebugPrintf("\n");
DebugPrintf("Commands\n");
DebugPrintf("--------\n");
DebugPrintf("Kernel:\n");
DebugPrintf(" opcodes - Lists the opcode names\n");
DebugPrintf(" selectors - Lists the selector names\n");
DebugPrintf(" selector - Attempts to find the requested selector by name\n");
DebugPrintf(" functions - Lists the kernel functions\n");
DebugPrintf(" class_table - Shows the available classes\n");
DebugPrintf("\n");
DebugPrintf("Parser:\n");
DebugPrintf(" suffixes - Lists the vocabulary suffixes\n");
DebugPrintf(" parse_grammar - Shows the parse grammar, in strict GNF\n");
DebugPrintf(" parser_nodes - Shows the specified number of nodes from the parse node tree\n");
DebugPrintf(" parser_words - Shows the words from the parse node tree\n");
DebugPrintf(" sentence_fragments - Shows the sentence fragments (used to build Parse trees)\n");
DebugPrintf(" parse - Parses a sequence of words and prints the resulting parse tree\n");
DebugPrintf(" set_parse_nodes - Sets the contents of all parse nodes\n");
DebugPrintf(" said - Match a string against a said spec\n");
DebugPrintf("\n");
DebugPrintf("Resources:\n");
DebugPrintf(" diskdump - Dumps the specified resource to disk as a patch file\n");
DebugPrintf(" hexdump - Dumps the specified resource to standard output\n");
DebugPrintf(" resource_id - Identifies a resource number by splitting it up in resource type and resource number\n");
DebugPrintf(" resource_info - Shows info about a resource\n");
DebugPrintf(" resource_types - Shows the valid resource types\n");
DebugPrintf(" list - Lists all the resources of a given type\n");
DebugPrintf(" hexgrep - Searches some resources for a particular sequence of bytes, represented as hexadecimal numbers\n");
DebugPrintf(" verify_scripts - Performs sanity checks on SCI1.1-SCI2.1 game scripts (e.g. if they're up to 64KB in total)\n");
DebugPrintf("\n");
DebugPrintf("Game:\n");
DebugPrintf(" save_game - Saves the current game state to the hard disk\n");
DebugPrintf(" restore_game - Restores a saved game from the hard disk\n");
DebugPrintf(" list_saves - List all saved games including filenames\n");
DebugPrintf(" restart_game - Restarts the game\n");
DebugPrintf(" version - Shows the resource and interpreter versions\n");
DebugPrintf(" room - Gets or sets the current room number\n");
DebugPrintf(" quit - Quits the game\n");
DebugPrintf("\n");
DebugPrintf("Graphics:\n");
DebugPrintf(" show_map - Switches to visual, priority, control or display screen\n");
DebugPrintf(" set_palette - Sets a palette resource\n");
DebugPrintf(" draw_pic - Draws a pic resource\n");
DebugPrintf(" draw_cel - Draws a cel from a view resource\n");
DebugPrintf(" pic_visualize - Enables visualization of the drawing process of EGA pictures\n");
DebugPrintf(" undither - Enable/disable undithering\n");
DebugPrintf(" play_video - Plays a SEQ, AVI, VMD, RBT or DUK video\n");
DebugPrintf(" animate_object_list / al - Shows the current list of objects in kAnimate's draw list\n");
DebugPrintf("\n");
DebugPrintf("Segments:\n");
DebugPrintf(" segment_table / segtable - Lists all segments\n");
DebugPrintf(" segment_info / seginfo - Provides information on the specified segment\n");
DebugPrintf(" segment_kill / segkill - Deletes the specified segment\n");
DebugPrintf("\n");
DebugPrintf("Garbage collection:\n");
DebugPrintf(" gc - Invokes the garbage collector\n");
DebugPrintf(" gc_objects - Lists all reachable objects, normalized\n");
DebugPrintf(" gc_reachable - Lists all addresses directly reachable from a given memory object\n");
DebugPrintf(" gc_freeable - Lists all addresses freeable in a given segment\n");
DebugPrintf(" gc_normalize - Prints the \"normal\" address of a given address\n");
DebugPrintf("\n");
DebugPrintf("Music/SFX:\n");
DebugPrintf(" songlib - Shows the song library\n");
DebugPrintf(" songinfo - Shows information about a specified song in the song library\n");
DebugPrintf(" togglesound - Starts/stops a sound in the song library\n");
DebugPrintf(" stopallsounds - Stops all sounds in the playlist\n");
DebugPrintf(" startsound - Starts the specified sound resource, replacing the first song in the song library\n");
DebugPrintf(" is_sample - Shows information on a given sound resource, if it's a PCM sample\n");
DebugPrintf(" sfx01_header - Dumps the header of a SCI01 song\n");
DebugPrintf(" sfx01_track - Dumps a track of a SCI01 song\n");
DebugPrintf(" show_instruments - Shows the instruments of a specific song, or all songs\n");
DebugPrintf(" map_instrument - Dynamically maps an MT-32 instrument to a GM instrument\n");
DebugPrintf("\n");
DebugPrintf("Script:\n");
DebugPrintf(" addresses - Provides information on how to pass addresses\n");
DebugPrintf(" registers - Shows the current register values\n");
DebugPrintf(" dissect_script - Examines a script\n");
DebugPrintf(" backtrace / bt - Dumps the send/self/super/call/calle/callb stack\n");
DebugPrintf(" trace / t / s - Executes one operation (no parameters) or several operations (specified as a parameter) \n");
DebugPrintf(" stepover / p - Executes one operation, skips over call/send\n");
DebugPrintf(" step_ret / pret - Steps forward until ret is called on the current execution stack level.\n");
DebugPrintf(" step_event / se - Steps forward until a SCI event is received.\n");
DebugPrintf(" step_global / sg - Steps until the global variable with the specified index is modified.\n");
DebugPrintf(" step_callk / snk - Steps forward until it hits the next callk operation, or a specific callk (specified as a parameter)\n");
DebugPrintf(" disasm - Disassembles a method by name\n");
DebugPrintf(" disasm_addr - Disassembles one or more commands\n");
DebugPrintf(" send - Sends a message to an object\n");
DebugPrintf(" go - Executes the script\n");
DebugPrintf(" logkernel - Logs kernel calls\n");
DebugPrintf("\n");
DebugPrintf("Breakpoints:\n");
DebugPrintf(" bp_list / bplist / bl - Lists the current breakpoints\n");
DebugPrintf(" bp_del / bpdel / bc - Deletes a breakpoint with the specified index\n");
DebugPrintf(" bp_method / bpx - Sets a breakpoint on the execution of a specified method/selector\n");
DebugPrintf(" bp_read / bpr - Sets a breakpoint on reading of a specified selector\n");
DebugPrintf(" bp_write / bpw - Sets a breakpoint on writing to a specified selector\n");
DebugPrintf(" bp_kernel / bpk - Sets a breakpoint on execution of a kernel function\n");
DebugPrintf(" bp_function / bpe - Sets a breakpoint on the execution of the specified exported function\n");
DebugPrintf("\n");
DebugPrintf("VM:\n");
DebugPrintf(" script_steps - Shows the number of executed SCI operations\n");
DebugPrintf(" vm_varlist / vmvarlist / vl - Shows the addresses of variables in the VM\n");
DebugPrintf(" vm_vars / vmvars / vv - Displays or changes variables in the VM\n");
DebugPrintf(" stack - Lists the specified number of stack elements\n");
DebugPrintf(" value_type - Determines the type of a value\n");
DebugPrintf(" view_listnode - Examines the list node at the given address\n");
DebugPrintf(" view_reference / vr - Examines an arbitrary reference\n");
DebugPrintf(" view_object / vo - Examines the object at the given address\n");
DebugPrintf(" active_object - Shows information on the currently active object or class\n");
DebugPrintf(" acc_object - Shows information on the object or class at the address indexed by the accumulator\n");
DebugPrintf("\n");
return true;
}
ResourceType parseResourceType(const char *resid) {
// Gets the resource number of a resource string, or returns -1
ResourceType res = kResourceTypeInvalid;
for (int i = 0; i < kResourceTypeInvalid; i++)
if (strcmp(getResourceTypeName((ResourceType)i), resid) == 0)
res = (ResourceType)i;
return res;
}
bool Console::cmdGetVersion(int argc, const char **argv) {
const char *viewTypeDesc[] = { "Unknown", "EGA", "VGA", "VGA SCI1.1", "Amiga" };
bool hasVocab997 = g_sci->getResMan()->testResource(ResourceId(kResourceTypeVocab, VOCAB_RESOURCE_SELECTORS)) ? true : false;
Common::String gameVersion = "N/A";
Common::File versionFile;
if (versionFile.open("VERSION")) {
gameVersion = versionFile.readLine();
versionFile.close();
}
DebugPrintf("Game ID: %s\n", _engine->getGameIdStr());
DebugPrintf("Emulated interpreter version: %s\n", getSciVersionDesc(getSciVersion()));
DebugPrintf("\n");
DebugPrintf("Detected features:\n");
DebugPrintf("------------------\n");
DebugPrintf("Sound type: %s\n", getSciVersionDesc(_engine->_features->detectDoSoundType()));
DebugPrintf("Graphics functions type: %s\n", getSciVersionDesc(_engine->_features->detectGfxFunctionsType()));
DebugPrintf("Lofs type: %s\n", getSciVersionDesc(_engine->_features->detectLofsType()));
DebugPrintf("Move count type: %s\n", (_engine->_features->handleMoveCount()) ? "increment" : "ignore");
DebugPrintf("SetCursor type: %s\n", getSciVersionDesc(_engine->_features->detectSetCursorType()));
#ifdef ENABLE_SCI32
if (getSciVersion() >= SCI_VERSION_2)
DebugPrintf("kString type: %s\n", (_engine->_features->detectSci2StringFunctionType() == kSci2StringFunctionOld) ? "SCI2 (old)" : "SCI2.1 (new)");
if (getSciVersion() == SCI_VERSION_2_1)
DebugPrintf("SCI2.1 kernel table: %s\n", (_engine->_features->detectSci21KernelType() == SCI_VERSION_2) ? "modified SCI2 (old)" : "SCI2.1 (new)");
#endif
DebugPrintf("View type: %s\n", viewTypeDesc[g_sci->getResMan()->getViewType()]);
DebugPrintf("Uses palette merging: %s\n", g_sci->_gfxPalette->isMerging() ? "yes" : "no");
DebugPrintf("Resource volume version: %s\n", g_sci->getResMan()->getVolVersionDesc());
DebugPrintf("Resource map version: %s\n", g_sci->getResMan()->getMapVersionDesc());
DebugPrintf("Contains selector vocabulary (vocab.997): %s\n", hasVocab997 ? "yes" : "no");
DebugPrintf("Has CantBeHere selector: %s\n", g_sci->getKernel()->_selectorCache.cantBeHere != -1 ? "yes" : "no");
DebugPrintf("Game version (VERSION file): %s\n", gameVersion.c_str());
DebugPrintf("\n");
return true;
}
bool Console::cmdOpcodes(int argc, const char **argv) {
// Load the opcode table from vocab.998 if it exists, to obtain the opcode names
Resource *r = _engine->getResMan()->findResource(ResourceId(kResourceTypeVocab, 998), 0);
// If the resource couldn't be loaded, leave
if (!r) {
DebugPrintf("unable to load vocab.998");
return true;
}
int count = READ_LE_UINT16(r->data);
DebugPrintf("Opcode names in numeric order [index: type name]:\n");
for (int i = 0; i < count; i++) {
int offset = READ_LE_UINT16(r->data + 2 + i * 2);
int len = READ_LE_UINT16(r->data + offset) - 2;
int type = READ_LE_UINT16(r->data + offset + 2);
// QFG3 has empty opcodes
Common::String name = len > 0 ? Common::String((const char *)r->data + offset + 4, len) : "Dummy";
DebugPrintf("%03x: %03x %20s | ", i, type, name.c_str());
if ((i % 3) == 2)
DebugPrintf("\n");
}
DebugPrintf("\n");
return true;
}
bool Console::cmdSelector(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Attempts to find the requested selector by name.\n");
DebugPrintf("Usage: %s <selector name>\n", argv[0]);
return true;
}
Common::String name = argv[1];
int seeker = _engine->getKernel()->findSelector(name.c_str());
if (seeker >= 0) {
DebugPrintf("Selector %s found at %03x (%d)\n", name.c_str(), seeker, seeker);
return true;
}
DebugPrintf("Selector %s wasn't found\n", name.c_str());
return true;
}
bool Console::cmdSelectors(int argc, const char **argv) {
DebugPrintf("Selector names in numeric order:\n");
Common::String selectorName;
for (uint seeker = 0; seeker < _engine->getKernel()->getSelectorNamesSize(); seeker++) {
selectorName = _engine->getKernel()->getSelectorName(seeker);
if (selectorName != "BAD SELECTOR")
DebugPrintf("%03x: %20s | ", seeker, selectorName.c_str());
else
continue;
if ((seeker % 3) == 2)
DebugPrintf("\n");
}
DebugPrintf("\n");
#if 0
// For debug/development
// If we ever need to modify static_selectors.cpp, this code will print the selectors
// in a ready to use format
Common::DumpFile *outFile = new Common::DumpFile();
outFile->open("selectors.txt");
char buf[50];
Common::String selName;
uint totalSize = _engine->getKernel()->getSelectorNamesSize();
uint seeker = 0;
while (seeker < totalSize) {
selName = "\"" + _engine->getKernel()->getSelectorName(seeker) + "\"";
sprintf(buf, "%15s, ", selName.c_str());
outFile->writeString(buf);
if (!((seeker + 1) % 5) && seeker)
outFile->writeByte('\n');
seeker++;
}
outFile->finalize();
outFile->close();
#endif
return true;
}
bool Console::cmdKernelFunctions(int argc, const char **argv) {
DebugPrintf("Kernel function names in numeric order:\n");
for (uint seeker = 0; seeker < _engine->getKernel()->getKernelNamesSize(); seeker++) {
DebugPrintf("%03x: %20s | ", seeker, _engine->getKernel()->getKernelName(seeker).c_str());
if ((seeker % 3) == 2)
DebugPrintf("\n");
}
DebugPrintf("\n");
return true;
}
bool Console::cmdSuffixes(int argc, const char **argv) {
_engine->getVocabulary()->printSuffixes();
return true;
}
bool Console::cmdParserWords(int argc, const char **argv) {
_engine->getVocabulary()->printParserWords();
return true;
}
bool Console::cmdSetParseNodes(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Sets the contents of all parse nodes.\n");
DebugPrintf("Usage: %s <parse node1> <parse node2> ... <parse noden>\n", argv[0]);
DebugPrintf("Tokens should be separated by blanks and enclosed in parentheses\n");
return true;
}
int i = 0;
int pos = -1;
int nextToken = 0, nextValue = 0;
const char *token = argv[i++];
if (!strcmp(token, "(")) {
nextToken = kParseOpeningParenthesis;
} else if (!strcmp(token, ")")) {
nextToken = kParseClosingParenthesis;
} else if (!strcmp(token, "nil")) {
nextToken = kParseNil;
} else {
nextValue = strtol(token, NULL, 0);
nextToken = kParseNumber;
}
if (_engine->getVocabulary()->parseNodes(&i, &pos, nextToken, nextValue, argc, argv) == -1)
return 1;
_engine->getVocabulary()->dumpParseTree();
return true;
}
bool Console::cmdRegisters(int argc, const char **argv) {
EngineState *s = _engine->_gamestate;
DebugPrintf("Current register values:\n");
DebugPrintf("acc=%04x:%04x prev=%04x:%04x &rest=%x\n", PRINT_REG(s->r_acc), PRINT_REG(s->r_prev), s->restAdjust);
if (!s->_executionStack.empty()) {
DebugPrintf("pc=%04x:%04x obj=%04x:%04x fp=ST:%04x sp=ST:%04x\n",
PRINT_REG(s->xs->addr.pc), PRINT_REG(s->xs->objp),
(unsigned)(s->xs->fp - s->stack_base), (unsigned)(s->xs->sp - s->stack_base));
} else
DebugPrintf("<no execution stack: pc,obj,fp omitted>\n");
return true;
}
bool Console::cmdDiskDump(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Dumps the specified resource to disk as a patch file\n");
DebugPrintf("Usage: %s <resource type> <resource number>\n", argv[0]);
cmdResourceTypes(argc, argv);
return true;
}
int resNum = atoi(argv[2]);
ResourceType res = parseResourceType(argv[1]);
if (res == kResourceTypeInvalid)
DebugPrintf("Resource type '%s' is not valid\n", argv[1]);
else {
Resource *resource = _engine->getResMan()->findResource(ResourceId(res, resNum), 0);
if (resource) {
char outFileName[50];
sprintf(outFileName, "%s.%03d", getResourceTypeName(res), resNum);
Common::DumpFile *outFile = new Common::DumpFile();
outFile->open(outFileName);
resource->writeToStream(outFile);
outFile->finalize();
outFile->close();
delete outFile;
DebugPrintf("Resource %s.%03d (located in %s) has been dumped to disk\n", argv[1], resNum, resource->getResourceLocation().c_str());
} else {
DebugPrintf("Resource %s.%03d not found\n", argv[1], resNum);
}
}
return true;
}
bool Console::cmdHexDump(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Dumps the specified resource to standard output\n");
DebugPrintf("Usage: %s <resource type> <resource number>\n", argv[0]);
cmdResourceTypes(argc, argv);
return true;
}
int resNum = atoi(argv[2]);
ResourceType res = parseResourceType(argv[1]);
if (res == kResourceTypeInvalid)
DebugPrintf("Resource type '%s' is not valid\n", argv[1]);
else {
Resource *resource = _engine->getResMan()->findResource(ResourceId(res, resNum), 0);
if (resource) {
Common::hexdump(resource->data, resource->size, 16, 0);
DebugPrintf("Resource %s.%03d has been dumped to standard output\n", argv[1], resNum);
} else {
DebugPrintf("Resource %s.%03d not found\n", argv[1], resNum);
}
}
return true;
}
bool Console::cmdResourceId(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Identifies a resource number by splitting it up in resource type and resource number\n");
DebugPrintf("Usage: %s <resource number>\n", argv[0]);
return true;
}
int id = atoi(argv[1]);
DebugPrintf("%s.%d (0x%x)\n", getResourceTypeName((ResourceType)(id >> 11)), id & 0x7ff, id & 0x7ff);
return true;
}
bool Console::cmdDissectScript(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Examines a script\n");
DebugPrintf("Usage: %s <script number>\n", argv[0]);
return true;
}
_engine->getKernel()->dissectScript(atoi(argv[1]), _engine->getVocabulary());
return true;
}
bool Console::cmdRoomNumber(int argc, const char **argv) {
// The room number is stored in global var 13
// The same functionality is provided by "vmvars g 13" (but this one is more straighforward)
if (argc != 2) {
DebugPrintf("Current room number is %d\n", _engine->_gamestate->currentRoomNumber());
DebugPrintf("Calling this command with the room number (in decimal or hexadecimal) changes the room\n");
} else {
Common::String roomNumberStr = argv[1];
int roomNumber = strtol(roomNumberStr.c_str(), NULL, roomNumberStr.hasSuffix("h") ? 16 : 10);
_engine->_gamestate->setRoomNumber(roomNumber);
DebugPrintf("Room number changed to %d (%x in hex)\n", roomNumber, roomNumber);
}
return true;
}
bool Console::cmdResourceInfo(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Shows information about a resource\n");
DebugPrintf("Usage: %s <resource type> <resource number>\n", argv[0]);
return true;
}
int resNum = atoi(argv[2]);
ResourceType res = parseResourceType(argv[1]);
if (res == kResourceTypeInvalid)
DebugPrintf("Resource type '%s' is not valid\n", argv[1]);
else {
Resource *resource = _engine->getResMan()->findResource(ResourceId(res, resNum), 0);
if (resource) {
DebugPrintf("Resource size: %d\n", resource->size);
DebugPrintf("Resource location: %s\n", resource->getResourceLocation().c_str());
} else {
DebugPrintf("Resource %s.%03d not found\n", argv[1], resNum);
}
}
return true;
}
bool Console::cmdResourceTypes(int argc, const char **argv) {
DebugPrintf("The %d valid resource types are:\n", kResourceTypeInvalid);
for (int i = 0; i < kResourceTypeInvalid; i++) {
DebugPrintf("%s", getResourceTypeName((ResourceType) i));
DebugPrintf((i < kResourceTypeInvalid - 1) ? ", " : "\n");
}
return true;
}
bool Console::cmdHexgrep(int argc, const char **argv) {
if (argc < 4) {
DebugPrintf("Searches some resources for a particular sequence of bytes, represented as decimal or hexadecimal numbers.\n");
DebugPrintf("Usage: %s <resource type> <resource number> <search string>\n", argv[0]);
DebugPrintf("<resource number> can be a specific resource number, or \"all\" for all of the resources of the specified type\n");
DebugPrintf("EXAMPLES:\n hexgrep script all 0xe8 0x03 0xc8 0x00\n hexgrep pic 0x42 0xfe\n");
cmdResourceTypes(argc, argv);
return true;
}
ResourceType restype = parseResourceType(argv[1]);
int resNumber = 0, resMax = 0;
Resource *script = NULL;
if (restype == kResourceTypeInvalid) {
DebugPrintf("Resource type '%s' is not valid\n", argv[1]);
return true;
}
if (!scumm_stricmp(argv[2], "all")) {
resNumber = 0;
resMax = 65535;
} else {
resNumber = resMax = atoi(argv[2]);
}
// Convert the bytes
Common::Array<int> byteString;
byteString.resize(argc - 3);
for (uint i = 0; i < byteString.size(); i++)
if (!parseInteger(argv[i + 3], byteString[i]))
return true;
for (; resNumber <= resMax; resNumber++) {
script = _engine->getResMan()->findResource(ResourceId(restype, resNumber), 0);
if (script) {
unsigned int seeker = 0, seekerold = 0;
uint32 comppos = 0;
int output_script_name = 0;
while (seeker < script->size) {
if (script->data[seeker] == byteString[comppos]) {
if (comppos == 0)
seekerold = seeker;
comppos++;
if (comppos == byteString.size()) {
comppos = 0;
seeker = seekerold + 1;
if (!output_script_name) {
DebugPrintf("\nIn %s.%03d:\n", getResourceTypeName((ResourceType)restype), resNumber);
output_script_name = 1;
}
DebugPrintf(" 0x%04x\n", seekerold);
}
} else
comppos = 0;
seeker++;
}
}
}
return true;
}
bool Console::cmdVerifyScripts(int argc, const char **argv) {
if (getSciVersion() < SCI_VERSION_1_1) {
DebugPrintf("This script check is only meant for SCI1.1-SCI3 games\n");
return true;
}
Common::List<ResourceId> *resources = _engine->getResMan()->listResources(kResourceTypeScript);
Common::sort(resources->begin(), resources->end());
Common::List<ResourceId>::iterator itr = resources->begin();
DebugPrintf("%d SCI1.1-SCI3 scripts found, performing sanity checks...\n", resources->size());
Resource *script, *heap;
while (itr != resources->end()) {
script = _engine->getResMan()->findResource(*itr, false);
if (!script)
DebugPrintf("Error: script %d couldn't be loaded\n", itr->getNumber());
if (getSciVersion() <= SCI_VERSION_2_1) {
heap = _engine->getResMan()->findResource(ResourceId(kResourceTypeHeap, itr->getNumber()), false);
if (!heap)
DebugPrintf("Error: script %d doesn't have a corresponding heap\n", itr->getNumber());
if (script && heap && (script->size + heap->size > 65535))
DebugPrintf("Error: script and heap %d together are larger than 64KB (%d bytes)\n",
itr->getNumber(), script->size + heap->size);
} else { // SCI3
if (script && script->size > 65535)
DebugPrintf("Error: script %d is larger than 64KB (%d bytes)\n",
itr->getNumber(), script->size);
}
++itr;
}
DebugPrintf("SCI1.1-SCI2.1 script check finished\n");
delete resources;
return true;
}
// Same as in sound/drivers/midi.cpp
uint8 getGmInstrument(const Mt32ToGmMap &Mt32Ins) {
if (Mt32Ins.gmInstr == MIDI_MAPPED_TO_RHYTHM)
return Mt32Ins.gmRhythmKey + 0x80;
else
return Mt32Ins.gmInstr;
}
bool Console::cmdShowInstruments(int argc, const char **argv) {
int songNumber = -1;
if (argc == 2)
songNumber = atoi(argv[1]);
SciVersion doSoundVersion = _engine->_features->detectDoSoundType();
MidiPlayer *player = MidiPlayer_Midi_create(doSoundVersion);
MidiParser_SCI *parser = new MidiParser_SCI(doSoundVersion, 0);
parser->setMidiDriver(player);
Common::List<ResourceId> *resources = _engine->getResMan()->listResources(kResourceTypeSound);
Common::sort(resources->begin(), resources->end());
Common::List<ResourceId>::iterator itr = resources->begin();
int instruments[128];
bool instrumentsSongs[128][1000];
for (int i = 0; i < 128; i++)
instruments[i] = 0;
for (int i = 0; i < 128; i++)
for (int j = 0; j < 1000; j++)
instrumentsSongs[i][j] = false;
if (songNumber == -1) {
DebugPrintf("%d sounds found, checking their instrument mappings...\n", resources->size());
DebugPrintf("Instruments:\n");
DebugPrintf("============\n");
}
SoundResource *sound;
while (itr != resources->end()) {
if (songNumber >= 0 && itr->getNumber() != songNumber) {
++itr;
continue;
}
sound = new SoundResource(itr->getNumber(), _engine->getResMan(), doSoundVersion);
int channelFilterMask = sound->getChannelFilterMask(player->getPlayId(), player->hasRhythmChannel());
SoundResource::Track *track = sound->getTrackByType(player->getPlayId());
if (track->digitalChannelNr != -1) {
// Skip digitized sound effects
delete sound;
++itr;
continue;
}
parser->loadMusic(track, NULL, channelFilterMask, doSoundVersion);
const byte *channelData = parser->getMixedData();
byte curEvent = 0, prevEvent = 0, command = 0;
bool endOfTrack = false;
bool firstOneShown = false;
DebugPrintf("Song %d: ", itr->getNumber());
do {
while (*channelData == 0xF8)
channelData++;
channelData++; // delta
if ((*channelData & 0xF0) >= 0x80)
curEvent = *(channelData++);
else
curEvent = prevEvent;
if (curEvent < 0x80)
continue;
prevEvent = curEvent;
command = curEvent >> 4;
byte channel;
switch (command) {
case 0xC: // program change
channel = curEvent & 0x0F;
if (channel != 15) { // SCI special
byte instrument = *channelData++;
if (!firstOneShown)
firstOneShown = true;
else
DebugPrintf(",");
DebugPrintf(" %d", instrument);
instruments[instrument]++;
instrumentsSongs[instrument][itr->getNumber()] = true;
} else {
channelData++;
}
break;
case 0xD:
channelData++; // param1
break;
case 0xB:
case 0x8:
case 0x9:
case 0xA:
case 0xE:
channelData++; // param1
channelData++; // param2
break;
case 0xF:
if ((curEvent & 0x0F) == 0x2) {
channelData++; // param1
channelData++; // param2
} else if ((curEvent & 0x0F) == 0x3) {
channelData++; // param1
} else if ((curEvent & 0x0F) == 0xF) { // META
byte type = *channelData++;
if (type == 0x2F) {// end of track reached
endOfTrack = true;
} else {
// no further processing necessary
}
}
break;
default:
break;
}
} while (!endOfTrack);
DebugPrintf("\n");
delete sound;
++itr;
}
delete parser;
delete player;
DebugPrintf("\n");
if (songNumber == -1) {
DebugPrintf("Used instruments: ");
for (int i = 0; i < 128; i++) {
if (instruments[i] > 0)
DebugPrintf("%d, ", i);
}
DebugPrintf("\n\n");
}
DebugPrintf("Instruments not mapped in the MT32->GM map: ");
for (int i = 0; i < 128; i++) {
if (instruments[i] > 0 && getGmInstrument(Mt32MemoryTimbreMaps[i]) == MIDI_UNMAPPED)
DebugPrintf("%d, ", i);
}
DebugPrintf("\n\n");
if (songNumber == -1) {
DebugPrintf("Used instruments in songs:\n");
for (int i = 0; i < 128; i++) {
if (instruments[i] > 0) {
DebugPrintf("Instrument %d: ", i);
for (int j = 0; j < 1000; j++) {
if (instrumentsSongs[i][j])
DebugPrintf("%d, ", j);
}
DebugPrintf("\n");
}
}
DebugPrintf("\n\n");
}
delete resources;
return true;
}
bool Console::cmdMapInstrument(int argc, const char **argv) {
if (argc != 4) {
DebugPrintf("Maps an MT-32 custom instrument to a GM instrument on the fly\n\n");
DebugPrintf("Usage %s <MT-32 instrument name> <GM instrument> <GM rhythm key>\n", argv[0]);
DebugPrintf("Each MT-32 instrument is always 10 characters and is mapped to either a GM instrument, or a GM rhythm key\n");
DebugPrintf("A value of 255 (0xff) signifies an unmapped instrument\n");
DebugPrintf("Please replace the spaces in the instrument name with underscores (\"_\"). They'll be converted to spaces afterwards\n\n");
DebugPrintf("Example: %s test_0__XX 1 255\n", argv[0]);
DebugPrintf("The above example will map the MT-32 instrument \"test 0 XX\" to GM instrument 1\n\n");
} else {
if (Mt32dynamicMappings != NULL) {
Mt32ToGmMap newMapping;
char *instrumentName = new char[11];
Common::strlcpy(instrumentName, argv[1], 11);
for (uint16 i = 0; i < strlen(instrumentName); i++)
if (instrumentName[i] == '_')
instrumentName[i] = ' ';
newMapping.name = instrumentName;
newMapping.gmInstr = atoi(argv[2]);
newMapping.gmRhythmKey = atoi(argv[3]);
Mt32dynamicMappings->push_back(newMapping);
}
}
DebugPrintf("Current dynamic mappings:\n");
if (Mt32dynamicMappings != NULL) {
const Mt32ToGmMapList::iterator end = Mt32dynamicMappings->end();
for (Mt32ToGmMapList::iterator it = Mt32dynamicMappings->begin(); it != end; ++it) {
DebugPrintf("\"%s\" -> %d / %d\n", (*it).name, (*it).gmInstr, (*it).gmRhythmKey);
}
}
return true;
}
bool Console::cmdList(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Lists all the resources of a given type\n");
cmdResourceTypes(argc, argv);
return true;
}
ResourceType res = parseResourceType(argv[1]);
if (res == kResourceTypeInvalid)
DebugPrintf("Unknown resource type: '%s'\n", argv[1]);
else {
int number = -1;
if ((res == kResourceTypeAudio36) || (res == kResourceTypeSync36)) {
if (argc != 3) {
DebugPrintf("Please specify map number (-1: all maps)\n");
return true;
}
number = atoi(argv[2]);
}
Common::List<ResourceId> *resources = _engine->getResMan()->listResources(res, number);
Common::sort(resources->begin(), resources->end());
Common::List<ResourceId>::iterator itr = resources->begin();
int cnt = 0;
while (itr != resources->end()) {
if (number == -1) {
DebugPrintf("%8i", itr->getNumber());
if (++cnt % 10 == 0)
DebugPrintf("\n");
} else if (number == (int)itr->getNumber()) {
const uint32 tuple = itr->getTuple();
DebugPrintf("(%3i, %3i, %3i, %3i) ", (tuple >> 24) & 0xff, (tuple >> 16) & 0xff,
(tuple >> 8) & 0xff, tuple & 0xff);
if (++cnt % 4 == 0)
DebugPrintf("\n");
}
++itr;
}
DebugPrintf("\n");
delete resources;
}
return true;
}
bool Console::cmdSaveGame(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Saves the current game state to the hard disk\n");
DebugPrintf("Usage: %s <filename>\n", argv[0]);
return true;
}
int result = 0;
for (uint i = 0; i < _engine->_gamestate->_fileHandles.size(); i++)
if (_engine->_gamestate->_fileHandles[i].isOpen())
result++;
if (result)
DebugPrintf("Note: Game state has %d open file handles.\n", result);
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
Common::OutSaveFile *out = saveFileMan->openForSaving(argv[1]);
const char *version = "";
if (!out) {
DebugPrintf("Error opening savegame \"%s\" for writing\n", argv[1]);
return true;
}
// TODO: enable custom descriptions? force filename into a specific format?
if (!gamestate_save(_engine->_gamestate, out, "debugging", version)) {
DebugPrintf("Saving the game state to '%s' failed\n", argv[1]);
} else {
out->finalize();
if (out->err()) {
warning("Writing the savegame failed");
}
delete out;
}
return true;
}
bool Console::cmdRestoreGame(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Restores a saved game from the hard disk\n");
DebugPrintf("Usage: %s <filename>\n", argv[0]);
return true;
}
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
Common::SeekableReadStream *in = saveFileMan->openForLoading(argv[1]);
if (in) {
// found a savegame file
gamestate_restore(_engine->_gamestate, in);
delete in;
}
if (_engine->_gamestate->r_acc == make_reg(0, 1)) {
DebugPrintf("Restoring gamestate '%s' failed.\n", argv[1]);
return true;
}
return Cmd_Exit(0, 0);
}
bool Console::cmdRestartGame(int argc, const char **argv) {
_engine->_gamestate->abortScriptProcessing = kAbortRestartGame;
return Cmd_Exit(0, 0);
}
bool Console::cmdClassTable(int argc, const char **argv) {
DebugPrintf("Available classes (parse a parameter to filter the table by a specific class):\n");
for (uint i = 0; i < _engine->_gamestate->_segMan->classTableSize(); i++) {
Class temp = _engine->_gamestate->_segMan->_classTable[i];
if (temp.reg.segment) {
const char *className = _engine->_gamestate->_segMan->getObjectName(temp.reg);
if (argc == 1 || (argc == 2 && !strcmp(className, argv[1]))) {
DebugPrintf(" Class 0x%x (%s) at %04x:%04x (script %d)\n", i,
className,
PRINT_REG(temp.reg),
temp.script);
} else DebugPrintf(" Class 0x%x (not loaded; can't get name) (script %d)\n", i, temp.script);
}
}
return true;
}
bool Console::cmdSentenceFragments(int argc, const char **argv) {
DebugPrintf("Sentence fragments (used to build Parse trees)\n");
for (uint i = 0; i < _engine->getVocabulary()->getParserBranchesSize(); i++) {
int j = 0;
const parse_tree_branch_t &branch = _engine->getVocabulary()->getParseTreeBranch(i);
DebugPrintf("R%02d: [%x] ->", i, branch.id);
while ((j < 10) && branch.data[j]) {
int dat = branch.data[j++];
switch (dat) {
case VOCAB_TREE_NODE_COMPARE_TYPE:
dat = branch.data[j++];
DebugPrintf(" C(%x)", dat);
break;
case VOCAB_TREE_NODE_COMPARE_GROUP:
dat = branch.data[j++];
DebugPrintf(" WG(%x)", dat);
break;
case VOCAB_TREE_NODE_FORCE_STORAGE:
dat = branch.data[j++];
DebugPrintf(" FORCE(%x)", dat);
break;
default:
if (dat > VOCAB_TREE_NODE_LAST_WORD_STORAGE) {
int dat2 = branch.data[j++];
DebugPrintf(" %x[%x]", dat, dat2);
} else
DebugPrintf(" ?%x?", dat);
}
}
DebugPrintf("\n");
}
DebugPrintf("%d rules.\n", _engine->getVocabulary()->getParserBranchesSize());
return true;
}
bool Console::cmdParse(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Parses a sequence of words with a GNF rule set and prints the resulting parse tree\n");
DebugPrintf("Usage: %s <word1> <word2> ... <wordn>\n", argv[0]);
return true;
}
char *error;
char string[1000];
// Construct the string
strcpy(string, argv[1]);
for (int i = 2; i < argc; i++) {
strcat(string, " ");
strcat(string, argv[i]);
}
DebugPrintf("Parsing '%s'\n", string);
ResultWordListList words;
bool res = _engine->getVocabulary()->tokenizeString(words, string, &error);
if (res && !words.empty()) {
int syntax_fail = 0;
_engine->getVocabulary()->synonymizeTokens(words);
DebugPrintf("Parsed to the following blocks:\n");
for (ResultWordListList::const_iterator i = words.begin(); i != words.end(); ++i) {
DebugPrintf(" ");
for (ResultWordList::const_iterator j = i->begin(); j != i->end(); ++j) {
DebugPrintf("%sType[%04x] Group[%04x]", j == i->begin() ? "" : " / ", j->_class, j->_group);
}
DebugPrintf("\n");
}
if (_engine->getVocabulary()->parseGNF(words, true))
syntax_fail = 1; // Building a tree failed
if (syntax_fail)
DebugPrintf("Building a tree failed.\n");
else
_engine->getVocabulary()->dumpParseTree();
} else {
DebugPrintf("Unknown word: '%s'\n", error);
free(error);
}
return true;
}
bool Console::cmdSaid(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Matches a string against a said spec\n");
DebugPrintf("Usage: %s <string> > & <said spec>\n", argv[0]);
DebugPrintf("<string> is a sequence of actual words.\n");
DebugPrintf("<said spec> is a sequence of hex tokens.\n");
return true;
}
char *error;
char string[1000];
byte spec[1000];
int p;
// Construct the string
strcpy(string, argv[1]);
for (p = 2; p < argc && strcmp(argv[p],"&") != 0; p++) {
strcat(string, " ");
strcat(string, argv[p]);
}
if (p >= argc-1) {
DebugPrintf("Matches a string against a said spec\n");
DebugPrintf("Usage: %s <string> > & <said spec>\n", argv[0]);
DebugPrintf("<string> is a sequence of actual words.\n");
DebugPrintf("<said spec> is a sequence of hex tokens.\n");
return true;
}
// TODO: Maybe turn this into a proper said spec compiler
unsigned int len = 0;
for (p++; p < argc; p++) {
if (strcmp(argv[p], ",") == 0) {
spec[len++] = 0xf0;
} else if (strcmp(argv[p], "&") == 0) {
spec[len++] = 0xf1;
} else if (strcmp(argv[p], "/") == 0) {
spec[len++] = 0xf2;
} else if (strcmp(argv[p], "(") == 0) {
spec[len++] = 0xf3;
} else if (strcmp(argv[p], ")") == 0) {
spec[len++] = 0xf4;
} else if (strcmp(argv[p], "[") == 0) {
spec[len++] = 0xf5;
} else if (strcmp(argv[p], "]") == 0) {
spec[len++] = 0xf6;
} else if (strcmp(argv[p], "#") == 0) {
spec[len++] = 0xf7;
} else if (strcmp(argv[p], "<") == 0) {
spec[len++] = 0xf8;
} else if (strcmp(argv[p], ">") == 0) {
spec[len++] = 0xf9;
} else if (strcmp(argv[p], "[<") == 0) {
spec[len++] = 0xf5;
spec[len++] = 0xf8;
} else if (strcmp(argv[p], "[/") == 0) {
spec[len++] = 0xf5;
spec[len++] = 0xf2;
} else if (strcmp(argv[p], "!*") == 0) {
spec[len++] = 0x0f;
spec[len++] = 0xfe;
} else if (strcmp(argv[p], "[!*]") == 0) {
spec[len++] = 0xf5;
spec[len++] = 0x0f;
spec[len++] = 0xfe;
spec[len++] = 0xf6;
} else {
unsigned int s = strtol(argv[p], 0, 16);
if (s >= 0xf0 && s <= 0xff) {
spec[len++] = s;
} else {
spec[len++] = s >> 8;
spec[len++] = s & 0xFF;
}
}
}
spec[len++] = 0xFF;
debugN("Matching '%s' against:", string);
_engine->getVocabulary()->debugDecipherSaidBlock(spec);
debugN("\n");
ResultWordListList words;
bool res = _engine->getVocabulary()->tokenizeString(words, string, &error);
if (res && !words.empty()) {
int syntax_fail = 0;
_engine->getVocabulary()->synonymizeTokens(words);
DebugPrintf("Parsed to the following blocks:\n");
for (ResultWordListList::const_iterator i = words.begin(); i != words.end(); ++i) {
DebugPrintf(" ");
for (ResultWordList::const_iterator j = i->begin(); j != i->end(); ++j) {
DebugPrintf("%sType[%04x] Group[%04x]", j == i->begin() ? "" : " / ", j->_class, j->_group);
}
DebugPrintf("\n");
}
if (_engine->getVocabulary()->parseGNF(words, true))
syntax_fail = 1; // Building a tree failed
if (syntax_fail)
DebugPrintf("Building a tree failed.\n");
else {
_engine->getVocabulary()->dumpParseTree();
_engine->getVocabulary()->parserIsValid = true;
int ret = said((byte*)spec, true);
DebugPrintf("kSaid: %s\n", (ret == SAID_NO_MATCH ? "No match" : "Match"));
}
} else {
DebugPrintf("Unknown word: '%s'\n", error);
free(error);
}
return true;
}
bool Console::cmdParserNodes(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Shows the specified number of nodes from the parse node tree\n");
DebugPrintf("Usage: %s <nr>\n", argv[0]);
DebugPrintf("where <nr> is the number of nodes to show from the parse node tree\n");
return true;
}
int end = MIN<int>(atoi(argv[1]), VOCAB_TREE_NODES);
_engine->getVocabulary()->printParserNodes(end);
return true;
}
bool Console::cmdSetPalette(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Sets a palette resource\n");
DebugPrintf("Usage: %s <resourceId>\n", argv[0]);
DebugPrintf("where <resourceId> is the number of the palette resource to set\n");
return true;
}
uint16 resourceId = atoi(argv[1]);
_engine->_gfxPalette->kernelSetFromResource(resourceId, true);
return true;
}
bool Console::cmdDrawPic(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Draws a pic resource\n");
DebugPrintf("Usage: %s <resourceId>\n", argv[0]);
DebugPrintf("where <resourceId> is the number of the pic resource to draw\n");
return true;
}
uint16 resourceId = atoi(argv[1]);
_engine->_gfxPaint->kernelDrawPicture(resourceId, 100, false, false, false, 0);
_engine->_gfxScreen->copyToScreen();
return true;
}
bool Console::cmdDrawCel(int argc, const char **argv) {
if (argc < 4) {
DebugPrintf("Draws a cel from a view resource\n");
DebugPrintf("Usage: %s <resourceId> <loopNr> <celNr> \n", argv[0]);
DebugPrintf("where <resourceId> is the number of the view resource to draw\n");
return true;
}
uint16 resourceId = atoi(argv[1]);
uint16 loopNo = atoi(argv[2]);
uint16 celNo = atoi(argv[3]);
if (_engine->_gfxPaint16) {
_engine->_gfxPaint16->kernelDrawCel(resourceId, loopNo, celNo, 50, 50, 0, 0, 128, 128, false, NULL_REG);
} else {
GfxView *view = _engine->_gfxCache->getView(resourceId);
Common::Rect celRect(50, 50, 50 + view->getWidth(loopNo, celNo), 50 + view->getHeight(loopNo, celNo));
view->draw(celRect, celRect, celRect, loopNo, celNo, 255, 0, false);
_engine->_gfxScreen->copyRectToScreen(celRect);
}
return true;
}
bool Console::cmdUndither(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Enable/disable undithering.\n");
DebugPrintf("Usage: %s <0/1>\n", argv[0]);
return true;
}
bool flag = atoi(argv[1]) ? true : false;
_engine->_gfxScreen->debugUnditherSetState(flag);
if (flag)
DebugPrintf("undithering ENABLED\n");
else
DebugPrintf("undithering DISABLED\n");
return true;
}
bool Console::cmdPicVisualize(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Enable/disable picture visualization (EGA only)\n");
DebugPrintf("Usage: %s <0/1>\n", argv[0]);
return true;
}
bool state = atoi(argv[1]) ? true : false;
if (_engine->_resMan->getViewType() == kViewEga) {
_engine->_gfxPaint16->debugSetEGAdrawingVisualize(state);
if (state)
DebugPrintf("picture visualization ENABLED\n");
else
DebugPrintf("picture visualization DISABLED\n");
} else {
DebugPrintf("picture visualization only available for EGA games\n");
}
return true;
}
bool Console::cmdPlayVideo(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Plays a SEQ, AVI, VMD, RBT or DUK video.\n");
DebugPrintf("Usage: %s <video file name> <delay>\n", argv[0]);
DebugPrintf("The video file name should include the extension\n");
DebugPrintf("Delay is only used in SEQ videos and is measured in ticks (default: 10)\n");
return true;
}
Common::String filename = argv[1];
filename.toLowercase();
if (filename.hasSuffix(".seq") || filename.hasSuffix(".avi") || filename.hasSuffix(".vmd") ||
filename.hasSuffix(".rbt") || filename.hasSuffix(".duk")) {
_videoFile = filename;
_videoFrameDelay = (argc == 2) ? 10 : atoi(argv[2]);
return Cmd_Exit(0, 0);
} else {
DebugPrintf("Unknown video file type\n");
return true;
}
}
bool Console::cmdAnimateList(int argc, const char **argv) {
if (_engine->_gfxAnimate) {
DebugPrintf("Animate list:\n");
_engine->_gfxAnimate->printAnimateList(this);
}
return true;
}
bool Console::cmdWindowList(int argc, const char **argv) {
if (_engine->_gfxPorts) {
DebugPrintf("Window list:\n");
_engine->_gfxPorts->printWindowList(this);
}
return true;
}
bool Console::cmdParseGrammar(int argc, const char **argv) {
DebugPrintf("Parse grammar, in strict GNF:\n");
_engine->getVocabulary()->buildGNF(true);
return true;
}
bool Console::cmdPrintSegmentTable(int argc, const char **argv) {
DebugPrintf("Segment table:\n");
for (uint i = 0; i < _engine->_gamestate->_segMan->_heap.size(); i++) {
SegmentObj *mobj = _engine->_gamestate->_segMan->_heap[i];
if (mobj && mobj->getType()) {
DebugPrintf(" [%04x] ", i);
switch (mobj->getType()) {
case SEG_TYPE_SCRIPT:
DebugPrintf("S script.%03d l:%d ", (*(Script *)mobj).getScriptNumber(), (*(Script *)mobj).getLockers());
break;
case SEG_TYPE_CLONES:
DebugPrintf("C clones (%d allocd)", (*(CloneTable *)mobj).entries_used);
break;
case SEG_TYPE_LOCALS:
DebugPrintf("V locals %03d", (*(LocalVariables *)mobj).script_id);
break;
case SEG_TYPE_STACK:
DebugPrintf("D data stack (%d)", (*(DataStack *)mobj)._capacity);
break;
case SEG_TYPE_LISTS:
DebugPrintf("L lists (%d)", (*(ListTable *)mobj).entries_used);
break;
case SEG_TYPE_NODES:
DebugPrintf("N nodes (%d)", (*(NodeTable *)mobj).entries_used);
break;
case SEG_TYPE_HUNK:
DebugPrintf("H hunk (%d)", (*(HunkTable *)mobj).entries_used);
break;
case SEG_TYPE_DYNMEM:
DebugPrintf("M dynmem: %d bytes", (*(DynMem *)mobj)._size);
break;
#ifdef ENABLE_SCI32
case SEG_TYPE_ARRAY:
DebugPrintf("A SCI32 arrays (%d)", (*(ArrayTable *)mobj).entries_used);
break;
case SEG_TYPE_STRING:
DebugPrintf("T SCI32 strings (%d)", (*(StringTable *)mobj).entries_used);
break;
#endif
default:
DebugPrintf("I Invalid (type = %x)", mobj->getType());
break;
}
DebugPrintf(" \n");
}
}
DebugPrintf("\n");
return true;
}
bool Console::segmentInfo(int nr) {
DebugPrintf("[%04x] ", nr);
if ((nr < 0) || ((uint)nr >= _engine->_gamestate->_segMan->_heap.size()) || !_engine->_gamestate->_segMan->_heap[nr])
return false;
SegmentObj *mobj = _engine->_gamestate->_segMan->_heap[nr];
switch (mobj->getType()) {
case SEG_TYPE_SCRIPT: {
Script *scr = (Script *)mobj;
DebugPrintf("script.%03d locked by %d, bufsize=%d (%x)\n", scr->getScriptNumber(), scr->getLockers(), (uint)scr->getBufSize(), (uint)scr->getBufSize());
if (scr->getExportTable())
DebugPrintf(" Exports: %4d at %d\n", scr->getExportsNr(), (int)(((const byte *)scr->getExportTable()) - ((const byte *)scr->getBuf())));
else
DebugPrintf(" Exports: none\n");
DebugPrintf(" Synonyms: %4d\n", scr->getSynonymsNr());
if (scr->_localsBlock)
DebugPrintf(" Locals : %4d in segment 0x%x\n", scr->_localsBlock->_locals.size(), scr->_localsSegment);
else
DebugPrintf(" Locals : none\n");
DebugPrintf(" Objects: %4d\n", scr->_objects.size());
ObjMap::iterator it;
const ObjMap::iterator end = scr->_objects.end();
for (it = scr->_objects.begin(); it != end; ++it) {
DebugPrintf(" ");
// Object header
const Object *obj = _engine->_gamestate->_segMan->getObject(it->_value.getPos());
if (obj)
DebugPrintf("[%04x:%04x] %s : %3d vars, %3d methods\n", PRINT_REG(it->_value.getPos()),
_engine->_gamestate->_segMan->getObjectName(it->_value.getPos()),
obj->getVarCount(), obj->getMethodCount());
}
}
break;
case SEG_TYPE_LOCALS: {
LocalVariables *locals = (LocalVariables *)mobj;
DebugPrintf("locals for script.%03d\n", locals->script_id);
DebugPrintf(" %d (0x%x) locals\n", locals->_locals.size(), locals->_locals.size());
}
break;
case SEG_TYPE_STACK: {
DataStack *stack = (DataStack *)mobj;
DebugPrintf("stack\n");
DebugPrintf(" %d (0x%x) entries\n", stack->_capacity, stack->_capacity);
}
break;
case SEG_TYPE_CLONES: {
CloneTable *ct = (CloneTable *)mobj;
DebugPrintf("clones\n");
for (uint i = 0; i < ct->_table.size(); i++)
if (ct->isValidEntry(i)) {
reg_t objpos = make_reg(nr, i);
DebugPrintf(" [%04x] %s; copy of ", i, _engine->_gamestate->_segMan->getObjectName(objpos));
// Object header
const Object *obj = _engine->_gamestate->_segMan->getObject(ct->_table[i].getPos());
if (obj)
DebugPrintf("[%04x:%04x] %s : %3d vars, %3d methods\n", PRINT_REG(ct->_table[i].getPos()),
_engine->_gamestate->_segMan->getObjectName(ct->_table[i].getPos()),
obj->getVarCount(), obj->getMethodCount());
}
}
break;
case SEG_TYPE_LISTS: {
ListTable *lt = (ListTable *)mobj;
DebugPrintf("lists\n");
for (uint i = 0; i < lt->_table.size(); i++)
if (lt->isValidEntry(i)) {
DebugPrintf(" [%04x]: ", i);
printList(&(lt->_table[i]));
}
}
break;
case SEG_TYPE_NODES: {
DebugPrintf("nodes (total %d)\n", (*(NodeTable *)mobj).entries_used);
break;
}
case SEG_TYPE_HUNK: {
HunkTable *ht = (HunkTable *)mobj;
DebugPrintf("hunk (total %d)\n", ht->entries_used);
for (uint i = 0; i < ht->_table.size(); i++)
if (ht->isValidEntry(i)) {
DebugPrintf(" [%04x] %d bytes at %p, type=%s\n",
i, ht->_table[i].size, ht->_table[i].mem, ht->_table[i].type);
}
}
break;
case SEG_TYPE_DYNMEM: {
DebugPrintf("dynmem (%s): %d bytes\n",
(*(DynMem *)mobj)._description.c_str(), (*(DynMem *)mobj)._size);
Common::hexdump((*(DynMem *)mobj)._buf, (*(DynMem *)mobj)._size, 16, 0);
}
break;
#ifdef ENABLE_SCI32
case SEG_TYPE_STRING:
DebugPrintf("SCI32 strings\n");
break;
case SEG_TYPE_ARRAY:
DebugPrintf("SCI32 arrays\n");
break;
#endif
default :
DebugPrintf("Invalid type %d\n", mobj->getType());
break;
}
DebugPrintf("\n");
return true;
}
bool Console::cmdSegmentInfo(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Provides information on the specified segment(s)\n");
DebugPrintf("Usage: %s <segment number>\n", argv[0]);
DebugPrintf("<segment number> can be a number, which shows the information of the segment with\n");
DebugPrintf("the specified number, or \"all\" to show information on all active segments\n");
return true;
}
if (!scumm_stricmp(argv[1], "all")) {
for (uint i = 0; i < _engine->_gamestate->_segMan->_heap.size(); i++)
segmentInfo(i);
} else {
int segmentNr;
if (!parseInteger(argv[1], segmentNr))
return true;
if (!segmentInfo(segmentNr))
DebugPrintf("Segment %04xh does not exist\n", segmentNr);
}
return true;
}
bool Console::cmdKillSegment(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Deletes the specified segment\n");
DebugPrintf("Usage: %s <segment number>\n", argv[0]);
return true;
}
int segmentNumber;
if (!parseInteger(argv[1], segmentNumber))
return true;
_engine->_gamestate->_segMan->getScript(segmentNumber)->setLockers(0);
return true;
}
bool Console::cmdShowMap(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Switches to one of the following screen maps\n");
DebugPrintf("Usage: %s <screen map>\n", argv[0]);
DebugPrintf("Screen maps:\n");
DebugPrintf("- 0: visual map\n");
DebugPrintf("- 1: priority map\n");
DebugPrintf("- 2: control map\n");
DebugPrintf("- 3: display screen\n");
return true;
}
int map = atoi(argv[1]);
switch (map) {
case 0:
case 1:
case 2:
case 3:
_engine->_gfxScreen->debugShowMap(map);
break;
default:
DebugPrintf("Map %d is not available.\n", map);
return true;
}
return Cmd_Exit(0, 0);
}
bool Console::cmdSongLib(int argc, const char **argv) {
DebugPrintf("Song library:\n");
g_sci->_soundCmd->printPlayList(this);
return true;
}
bool Console::cmdSongInfo(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Shows information about a given song in the playlist\n");
DebugPrintf("Usage: %s <song object>\n", argv[0]);
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
g_sci->_soundCmd->printSongInfo(addr, this);
return true;
}
bool Console::cmdStartSound(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Adds the requested sound resource to the playlist, and starts playing it\n");
DebugPrintf("Usage: %s <sound resource id>\n", argv[0]);
return true;
}
int16 number = atoi(argv[1]);
if (!_engine->getResMan()->testResource(ResourceId(kResourceTypeSound, number))) {
DebugPrintf("Unable to load this sound resource, most probably it has an equivalent audio resource (SCI1.1)\n");
return true;
}
g_sci->_soundCmd->startNewSound(number);
return Cmd_Exit(0, 0);
}
bool Console::cmdToggleSound(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Plays or stops the specified sound in the playlist\n");
DebugPrintf("Usage: %s <address> <state>\n", argv[0]);
DebugPrintf("Where:\n");
DebugPrintf("- <address> is the address of the sound to play or stop.\n");
DebugPrintf("- <state> is the new state (play or stop).\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t id;
if (parse_reg_t(_engine->_gamestate, argv[1], &id, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
Common::String newState = argv[2];
newState.toLowercase();
if (newState == "play")
g_sci->_soundCmd->processPlaySound(id);
else if (newState == "stop")
g_sci->_soundCmd->processStopSound(id, false);
else
DebugPrintf("New state can either be 'play' or 'stop'");
return true;
}
bool Console::cmdStopAllSounds(int argc, const char **argv) {
g_sci->_soundCmd->stopAllSounds();
DebugPrintf("All sounds have been stopped\n");
return true;
}
bool Console::cmdIsSample(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Tests whether a given sound resource is a PCM sample, \n");
DebugPrintf("and displays information on it if it is.\n");
DebugPrintf("Usage: %s <sample id>\n", argv[0]);
return true;
}
int16 number = atoi(argv[1]);
if (!_engine->getResMan()->testResource(ResourceId(kResourceTypeSound, number))) {
DebugPrintf("Unable to load this sound resource, most probably it has an equivalent audio resource (SCI1.1)\n");
return true;
}
SoundResource *soundRes = new SoundResource(number, _engine->getResMan(), _engine->_features->detectDoSoundType());
if (!soundRes) {
DebugPrintf("Not a sound resource!\n");
return true;
}
SoundResource::Track *track = soundRes->getDigitalTrack();
if (!track || track->digitalChannelNr == -1) {
DebugPrintf("Valid song, but not a sample.\n");
delete soundRes;
return true;
}
DebugPrintf("Sample size: %d, sample rate: %d, channels: %d, digital channel number: %d\n",
track->digitalSampleSize, track->digitalSampleRate, track->channelCount, track->digitalChannelNr);
return true;
}
bool Console::cmdGCInvoke(int argc, const char **argv) {
DebugPrintf("Performing garbage collection...\n");
run_gc(_engine->_gamestate);
return true;
}
bool Console::cmdGCObjects(int argc, const char **argv) {
AddrSet *use_map = findAllActiveReferences(_engine->_gamestate);
DebugPrintf("Reachable object references (normalised):\n");
for (AddrSet::iterator i = use_map->begin(); i != use_map->end(); ++i) {
DebugPrintf(" - %04x:%04x\n", PRINT_REG(i->_key));
}
delete use_map;
return true;
}
bool Console::cmdGCShowReachable(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Prints all addresses directly reachable from the memory object specified as parameter.\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
SegmentObj *mobj = _engine->_gamestate->_segMan->getSegmentObj(addr.segment);
if (!mobj) {
DebugPrintf("Unknown segment : %x\n", addr.segment);
return 1;
}
DebugPrintf("Reachable from %04x:%04x:\n", PRINT_REG(addr));
const Common::Array<reg_t> tmp = mobj->listAllOutgoingReferences(addr);
for (Common::Array<reg_t>::const_iterator it = tmp.begin(); it != tmp.end(); ++it)
if (it->segment)
g_sci->getSciDebugger()->DebugPrintf(" %04x:%04x\n", PRINT_REG(*it));
return true;
}
bool Console::cmdGCShowFreeable(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Prints all addresses freeable in the segment associated with the\n");
DebugPrintf("given address (offset is ignored).\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
SegmentObj *mobj = _engine->_gamestate->_segMan->getSegmentObj(addr.segment);
if (!mobj) {
DebugPrintf("Unknown segment : %x\n", addr.segment);
return true;
}
DebugPrintf("Freeable in segment %04x:\n", addr.segment);
const Common::Array<reg_t> tmp = mobj->listAllDeallocatable(addr.segment);
for (Common::Array<reg_t>::const_iterator it = tmp.begin(); it != tmp.end(); ++it)
if (it->segment)
g_sci->getSciDebugger()->DebugPrintf(" %04x:%04x\n", PRINT_REG(*it));
return true;
}
bool Console::cmdGCNormalize(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Prints the \"normal\" address of a given address,\n");
DebugPrintf("i.e. the address we would free in order to free\n");
DebugPrintf("the object associated with the original address.\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
SegmentObj *mobj = _engine->_gamestate->_segMan->getSegmentObj(addr.segment);
if (!mobj) {
DebugPrintf("Unknown segment : %x\n", addr.segment);
return true;
}
addr = mobj->findCanonicAddress(_engine->_gamestate->_segMan, addr);
DebugPrintf(" %04x:%04x\n", PRINT_REG(addr));
return true;
}
bool Console::cmdVMVarlist(int argc, const char **argv) {
EngineState *s = _engine->_gamestate;
const char *varnames[] = {"global", "local", "temp", "param"};
DebugPrintf("Addresses of variables in the VM:\n");
for (int i = 0; i < 4; i++) {
DebugPrintf("%s vars at %04x:%04x ", varnames[i], PRINT_REG(make_reg(s->variablesSegment[i], s->variables[i] - s->variablesBase[i])));
if (s->variablesMax)
DebugPrintf(" total %d", s->variablesMax[i]);
DebugPrintf("\n");
}
return true;
}
bool Console::cmdVMVars(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Displays or changes variables in the VM\n");
DebugPrintf("Usage: %s <type> <varnum> [<value>]\n", argv[0]);
DebugPrintf("First parameter is either g(lobal), l(ocal), t(emp), p(aram) or a(cc).\n");
DebugPrintf("Second parameter is the var number (not specified on acc)\n");
DebugPrintf("Third parameter (if specified) is the value to set the variable to, in address form\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
EngineState *s = _engine->_gamestate;
const char *varNames[] = {"global", "local", "temp", "param", "acc"};
const char *varAbbrev = "gltpa";
const char *varType_pre = strchr(varAbbrev, *argv[1]);
int varType;
int varIndex = 0;
reg_t *curValue = NULL;
const char *setValue = NULL;
if (!varType_pre) {
DebugPrintf("Invalid variable type '%c'\n", *argv[1]);
return true;
}
varType = varType_pre - varAbbrev;
switch (varType) {
case 0:
case 1:
case 2:
case 3: {
// for global, local, temp and param, we need an index
if (argc < 3) {
DebugPrintf("Variable number must be specified for requested type\n");
return true;
}
if (argc > 4) {
DebugPrintf("Too many arguments\n");
return true;
}
if (!parseInteger(argv[2], varIndex))
return true;
if (varIndex < 0) {
DebugPrintf("Variable number may not be negative\n");
return true;
}
if ((s->variablesMax) && (s->variablesMax[varType] <= varIndex)) {
DebugPrintf("Maximum variable number for this type is %d (0x%x)\n", s->variablesMax[varType], s->variablesMax[varType]);
return true;
}
curValue = &s->variables[varType][varIndex];
if (argc == 4)
setValue = argv[3];
break;
}
case 4:
// acc
if (argc > 3) {
DebugPrintf("Too many arguments\n");
return true;
}
curValue = &s->r_acc;
if (argc == 3)
setValue = argv[2];
break;
default:
break;
}
if (!setValue) {
if (varType == 4)
DebugPrintf("%s == %04x:%04x", varNames[varType], PRINT_REG(*curValue));
else
DebugPrintf("%s var %d == %04x:%04x", varNames[varType], varIndex, PRINT_REG(*curValue));
printBasicVarInfo(*curValue);
DebugPrintf("\n");
} else {
if (parse_reg_t(s, setValue, curValue, true)) {
DebugPrintf("Invalid value/address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
DebugPrintf("Or pass a decimal or hexadecimal value directly (e.g. 12, 1Ah)\n");
return true;
}
}
return true;
}
bool Console::cmdStack(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Lists the specified number of stack elements.\n");
DebugPrintf("Usage: %s <elements>\n", argv[0]);
return true;
}
if (_engine->_gamestate->_executionStack.empty()) {
DebugPrintf("No exec stack!");
return true;
}
const ExecStack &xs = _engine->_gamestate->_executionStack.back();
int nr = atoi(argv[1]);
for (int i = nr; i > 0; i--) {
if ((xs.sp - xs.fp - i) == 0)
DebugPrintf("-- temp variables --\n");
if (xs.sp - i >= _engine->_gamestate->stack_base)
DebugPrintf("ST:%04x = %04x:%04x\n", (unsigned)(xs.sp - i - _engine->_gamestate->stack_base), PRINT_REG(xs.sp[-i]));
}
return true;
}
bool Console::cmdValueType(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Determines the type of a value.\n");
DebugPrintf("The type can be one of the following:\n");
DebugPrintf("Invalid, list, object, reference or arithmetic\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t val;
if (parse_reg_t(_engine->_gamestate, argv[1], &val, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
int t = g_sci->getKernel()->findRegType(val);
switch (t) {
case SIG_TYPE_LIST:
DebugPrintf("List");
break;
case SIG_TYPE_OBJECT:
DebugPrintf("Object");
break;
case SIG_TYPE_REFERENCE:
DebugPrintf("Reference");
break;
case SIG_TYPE_INTEGER:
DebugPrintf("Integer");
case SIG_TYPE_INTEGER | SIG_TYPE_NULL:
DebugPrintf("Null");
break;
default:
DebugPrintf("Erroneous unknown type 0x%02x (%d decimal)\n", t, t);
}
return true;
}
bool Console::cmdViewListNode(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Examines the list node at the given address.\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
printNode(addr);
return true;
}
bool Console::cmdViewReference(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Examines an arbitrary reference.\n");
DebugPrintf("Usage: %s <start address> [<end address>]\n", argv[0]);
DebugPrintf("Where <start address> is the starting address to examine\n");
DebugPrintf("<end address>, if provided, is the address where examining ends at\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t reg = NULL_REG;
reg_t reg_end = NULL_REG;
if (parse_reg_t(_engine->_gamestate, argv[1], &reg, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
if (argc > 2) {
if (parse_reg_t(_engine->_gamestate, argv[2], &reg_end, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
}
int type_mask = g_sci->getKernel()->findRegType(reg);
int filter;
int found = 0;
DebugPrintf("%04x:%04x is of type 0x%x: ", PRINT_REG(reg), type_mask);
if (reg.segment == 0 && reg.offset == 0) {
DebugPrintf("Null.\n");
return true;
}
if (reg_end.segment != reg.segment && reg_end != NULL_REG) {
DebugPrintf("Ending segment different from starting segment. Assuming no bound on dump.\n");
reg_end = NULL_REG;
}
for (filter = 1; filter < 0xf000; filter <<= 1) {
int type = type_mask & filter;
if (found && type) {
DebugPrintf("--- Alternatively, it could be a ");
}
switch (type) {
case 0:
break;
case SIG_TYPE_LIST: {
List *list = _engine->_gamestate->_segMan->lookupList(reg);
DebugPrintf("list\n");
if (list)
printList(list);
else
DebugPrintf("Invalid list.\n");
}
break;
case SIG_TYPE_NODE:
DebugPrintf("list node\n");
printNode(reg);
break;
case SIG_TYPE_OBJECT:
DebugPrintf("object\n");
printObject(reg);
break;
case SIG_TYPE_REFERENCE: {
switch (_engine->_gamestate->_segMan->getSegmentType(reg.segment)) {
#ifdef ENABLE_SCI32
case SEG_TYPE_STRING: {
DebugPrintf("SCI32 string\n");
const SciString *str = _engine->_gamestate->_segMan->lookupString(reg);
Common::hexdump((const byte *) str->getRawData(), str->getSize(), 16, 0);
break;
}
case SEG_TYPE_ARRAY: {
DebugPrintf("SCI32 array:\n");
const SciArray<reg_t> *array = _engine->_gamestate->_segMan->lookupArray(reg);
hexDumpReg(array->getRawData(), array->getSize(), 4, 0, true);
break;
}
#endif
default: {
int size;
const SegmentRef block = _engine->_gamestate->_segMan->dereference(reg);
size = block.maxSize;
DebugPrintf("raw data\n");
if (reg_end.segment != 0 && size < reg_end.offset - reg.offset) {
DebugPrintf("Block end out of bounds (size %d). Resetting.\n", size);
reg_end = NULL_REG;
}
if (reg_end.segment != 0 && (size >= reg_end.offset - reg.offset))
size = reg_end.offset - reg.offset;
if (reg_end.segment != 0)
DebugPrintf("Block size less than or equal to %d\n", size);
if (block.isRaw)
Common::hexdump(block.raw, size, 16, 0);
else
hexDumpReg(block.reg, size / 2, 4, 0);
}
}
break;
}
case SIG_TYPE_INTEGER:
DebugPrintf("arithmetic value\n %d (%04x)\n", (int16) reg.offset, reg.offset);
break;
default:
DebugPrintf("unknown type %d.\n", type);
}
if (type) {
DebugPrintf("\n");
found = 1;
}
}
return true;
}
bool Console::cmdViewObject(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Examines the object at the given address.\n");
DebugPrintf("Usage: %s <address>\n", argv[0]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
reg_t addr;
if (parse_reg_t(_engine->_gamestate, argv[1], &addr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
DebugPrintf("Information on the object at the given address:\n");
printObject(addr);
return true;
}
bool Console::cmdViewActiveObject(int argc, const char **argv) {
DebugPrintf("Information on the currently active object or class:\n");
printObject(_engine->_gamestate->xs->objp);
return true;
}
bool Console::cmdViewAccumulatorObject(int argc, const char **argv) {
DebugPrintf("Information on the currently active object or class at the address indexed by the accumulator:\n");
printObject(_engine->_gamestate->r_acc);
return true;
}
bool Console::cmdScriptSteps(int argc, const char **argv) {
DebugPrintf("Number of executed SCI operations: %d\n", _engine->_gamestate->scriptStepCounter);
return true;
}
bool Console::cmdBacktrace(int argc, const char **argv) {
DebugPrintf("Call stack (current base: 0x%x):\n", _engine->_gamestate->executionStackBase);
Common::List<ExecStack>::const_iterator iter;
uint i = 0;
for (iter = _engine->_gamestate->_executionStack.begin();
iter != _engine->_gamestate->_executionStack.end(); ++iter, ++i) {
const ExecStack &call = *iter;
const char *objname = _engine->_gamestate->_segMan->getObjectName(call.sendp);
int paramc, totalparamc;
switch (call.type) {
case EXEC_STACK_TYPE_CALL: // Normal function
if (call.type == EXEC_STACK_TYPE_CALL)
DebugPrintf(" %x: script %d - ", i, (*(Script *)_engine->_gamestate->_segMan->_heap[call.addr.pc.segment]).getScriptNumber());
if (call.debugSelector != -1) {
DebugPrintf("%s::%s(", objname, _engine->getKernel()->getSelectorName(call.debugSelector).c_str());
} else if (call.debugExportId != -1) {
DebugPrintf("export %d (", call.debugExportId);
} else if (call.debugLocalCallOffset != -1) {
DebugPrintf("call %x (", call.debugLocalCallOffset);
}
break;
case EXEC_STACK_TYPE_KERNEL: // Kernel function
DebugPrintf(" %x:[%x] k%s(", i, call.debugOrigin, _engine->getKernel()->getKernelName(call.debugSelector).c_str());
break;
case EXEC_STACK_TYPE_VARSELECTOR:
DebugPrintf(" %x:[%x] vs%s %s::%s (", i, call.debugOrigin, (call.argc) ? "write" : "read",
objname, _engine->getKernel()->getSelectorName(call.debugSelector).c_str());
break;
}
totalparamc = call.argc;
if (totalparamc > 16)
totalparamc = 16;
for (paramc = 1; paramc <= totalparamc; paramc++) {
DebugPrintf("%04x:%04x", PRINT_REG(call.variables_argp[paramc]));
if (paramc < call.argc)
DebugPrintf(", ");
}
if (call.argc > 16)
DebugPrintf("...");
DebugPrintf(")\n ");
if (call.debugOrigin != -1)
DebugPrintf("by %x ", call.debugOrigin);
DebugPrintf("obj@%04x:%04x", PRINT_REG(call.objp));
if (call.type == EXEC_STACK_TYPE_CALL) {
DebugPrintf(" pc=%04x:%04x", PRINT_REG(call.addr.pc));
if (call.sp == CALL_SP_CARRY)
DebugPrintf(" sp,fp:carry");
else {
DebugPrintf(" sp=ST:%04x", (unsigned)(call.sp - _engine->_gamestate->stack_base));
DebugPrintf(" fp=ST:%04x", (unsigned)(call.fp - _engine->_gamestate->stack_base));
}
} else
DebugPrintf(" pc:none");
DebugPrintf(" argp:ST:%04x", (unsigned)(call.variables_argp - _engine->_gamestate->stack_base));
DebugPrintf("\n");
}
return true;
}
bool Console::cmdTrace(int argc, const char **argv) {
if (argc == 2 && atoi(argv[1]) > 0)
_debugState.runningStep = atoi(argv[1]) - 1;
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdStepOver(int argc, const char **argv) {
_debugState.seeking = kDebugSeekStepOver;
_debugState.seekLevel = _engine->_gamestate->_executionStack.size();
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdStepEvent(int argc, const char **argv) {
_debugState.stopOnEvent = true;
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdStepRet(int argc, const char **argv) {
_debugState.seeking = kDebugSeekLevelRet;
_debugState.seekLevel = _engine->_gamestate->_executionStack.size() - 1;
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdStepGlobal(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Steps until the global variable with the specified index is modified.\n");
DebugPrintf("Usage: %s <global variable index>\n", argv[0]);
return true;
}
_debugState.seeking = kDebugSeekGlobal;
_debugState.seekSpecial = atoi(argv[1]);
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdStepCallk(int argc, const char **argv) {
int callk_index;
char *endptr;
if (argc == 2) {
/* Try to convert the parameter to a number. If the conversion stops
before end of string, assume that the parameter is a function name
and scan the function table to find out the index. */
callk_index = strtoul(argv[1], &endptr, 0);
if (*endptr != '\0') {
callk_index = -1;
for (uint i = 0; i < _engine->getKernel()->getKernelNamesSize(); i++)
if (argv[1] == _engine->getKernel()->getKernelName(i)) {
callk_index = i;
break;
}
if (callk_index == -1) {
DebugPrintf("Unknown kernel function '%s'\n", argv[1]);
return true;
}
}
_debugState.seeking = kDebugSeekSpecialCallk;
_debugState.seekSpecial = callk_index;
} else {
_debugState.seeking = kDebugSeekCallk;
}
_debugState.debugging = true;
return Cmd_Exit(0, 0);
}
bool Console::cmdDisassemble(int argc, const char **argv) {
if (argc < 3) {
DebugPrintf("Disassembles a method by name.\n");
DebugPrintf("Usage: %s <object> <method> <options>\n", argv[0]);
DebugPrintf("Valid options are:\n");
DebugPrintf(" bwt : Print byte/word tag\n");
DebugPrintf(" bc : Print bytecode\n");
return true;
}
reg_t objAddr = NULL_REG;
bool printBytecode = false;
bool printBWTag = false;
if (parse_reg_t(_engine->_gamestate, argv[1], &objAddr, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
const Object *obj = _engine->_gamestate->_segMan->getObject(objAddr);
int selectorId = _engine->getKernel()->findSelector(argv[2]);
reg_t addr = NULL_REG;
if (!obj) {
DebugPrintf("Not an object.");
return true;
}
if (selectorId < 0) {
DebugPrintf("Not a valid selector name.");
return true;
}
if (lookupSelector(_engine->_gamestate->_segMan, objAddr, selectorId, NULL, &addr) != kSelectorMethod) {
DebugPrintf("Not a method.");
return true;
}
for (int i = 3; i < argc; i++) {
if (!scumm_stricmp(argv[i], "bwt"))
printBWTag = true;
else if (!scumm_stricmp(argv[i], "bc"))
printBytecode = true;
}
reg_t farthestTarget = addr;
do {
reg_t prevAddr = addr;
reg_t jumpTarget;
if (isJumpOpcode(_engine->_gamestate, addr, jumpTarget)) {
if (jumpTarget > farthestTarget)
farthestTarget = jumpTarget;
}
addr = disassemble(_engine->_gamestate, addr, printBWTag, printBytecode);
if (addr.isNull() && prevAddr < farthestTarget)
addr = prevAddr + 1; // skip past the ret
} while (addr.offset > 0);
return true;
}
bool Console::cmdDisassembleAddress(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Disassembles one or more commands.\n");
DebugPrintf("Usage: %s [startaddr] <options>\n", argv[0]);
DebugPrintf("Valid options are:\n");
DebugPrintf(" bwt : Print byte/word tag\n");
DebugPrintf(" c<x> : Disassemble <x> bytes\n");
DebugPrintf(" bc : Print bytecode\n");
return true;
}
reg_t vpc = NULL_REG;
int opCount = 1;
bool printBWTag = false;
bool printBytes = false;
int size;
if (parse_reg_t(_engine->_gamestate, argv[1], &vpc, false)) {
DebugPrintf("Invalid address passed.\n");
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
SegmentRef ref = _engine->_gamestate->_segMan->dereference(vpc);
size = ref.maxSize + vpc.offset; // total segment size
for (int i = 2; i < argc; i++) {
if (!scumm_stricmp(argv[i], "bwt"))
printBWTag = true;
else if (!scumm_stricmp(argv[i], "bc"))
printBytes = true;
else if (toupper(argv[i][0]) == 'C')
opCount = atoi(argv[i] + 1);
else {
DebugPrintf("Invalid option '%s'\n", argv[i]);
return true;
}
}
if (opCount < 0) {
DebugPrintf("Invalid op_count\n");
return true;
}
do {
vpc = disassemble(_engine->_gamestate, vpc, printBWTag, printBytes);
} while ((vpc.offset > 0) && (vpc.offset + 6 < size) && (--opCount));
return true;
}
void Console::printKernelCallsFound(int kernelFuncNum, bool showFoundScripts) {
Common::List<ResourceId> *resources = _engine->getResMan()->listResources(kResourceTypeScript);
Common::sort(resources->begin(), resources->end());
Common::List<ResourceId>::iterator itr = resources->begin();
if (showFoundScripts)
DebugPrintf("%d scripts found, dissassembling...\n", resources->size());
int scriptSegment;
Script *script;
// Create a custom segment manager here, so that the game's segment
// manager won't be affected by loading and unloading scripts here.
SegManager *customSegMan = new SegManager(_engine->getResMan());
while (itr != resources->end()) {
// Ignore specific leftover scripts, which require other non-existing scripts
if ((_engine->getGameId() == GID_HOYLE3 && itr->getNumber() == 995) ||
(_engine->getGameId() == GID_KQ5 && itr->getNumber() == 980) ||
(_engine->getGameId() == GID_SLATER && itr->getNumber() == 947) ||
(_engine->getGameId() == GID_MOTHERGOOSE256 && itr->getNumber() == 980)) {
itr++;
continue;
}
// Load script
scriptSegment = customSegMan->instantiateScript(itr->getNumber());
script = customSegMan->getScript(scriptSegment);
// Iterate through all the script's objects
ObjMap::iterator it;
const ObjMap::iterator end = script->_objects.end();
for (it = script->_objects.begin(); it != end; ++it) {
const Object *obj = customSegMan->getObject(it->_value.getPos());
const char *objName = customSegMan->getObjectName(it->_value.getPos());
// Now dissassemble each method of the script object
for (uint16 i = 0; i < obj->getMethodCount(); i++) {
reg_t fptr = obj->getFunction(i);
uint16 offset = fptr.offset;
int16 opparams[4];
byte extOpcode;
byte opcode;
uint16 maxJmpOffset = 0;
while (true) {
offset += readPMachineInstruction(script->getBuf(offset), extOpcode, opparams);
opcode = extOpcode >> 1;
if (opcode == op_callk) {
uint16 kFuncNum = opparams[0];
uint16 argc2 = opparams[1];
if (kFuncNum == kernelFuncNum) {
DebugPrintf("Called from script %d, object %s, method %s(%d) with %d parameters\n",
itr->getNumber(), objName,
_engine->getKernel()->getSelectorName(obj->getFuncSelector(i)).c_str(), i, argc2);
}
}
// Monitor all jump opcodes (bt, bnt and jmp), so that if
// there is a jump after a ret, we don't stop processing
if (opcode == op_bt || opcode == op_bnt || opcode == op_jmp) {
uint16 curJmpOffset = offset + (uint16)opparams[0];
if (curJmpOffset > maxJmpOffset)
maxJmpOffset = curJmpOffset;
}
// Check for end of function/script
if (offset >= script->getBufSize())
break;
if (opcode == op_ret)// && offset >= maxJmpOffset)
break;
} // while (true)
} // for (uint16 i = 0; i < obj->getMethodCount(); i++)
} // for (it = script->_objects.begin(); it != end; ++it)
customSegMan->uninstantiateScript(itr->getNumber());
++itr;
}
delete customSegMan;
delete resources;
}
bool Console::cmdFindKernelFunctionCall(int argc, const char **argv) {
if (argc < 2) {
DebugPrintf("Finds the scripts and methods that call a specific kernel function.\n");
DebugPrintf("Usage: %s <kernel function>\n", argv[0]);
DebugPrintf("Example: %s Display\n", argv[0]);
DebugPrintf("Special usage:\n");
DebugPrintf("%s Dummy - find all calls to actual dummy functions "
"(mapped to kDummy, and dummy in the kernel table). "
"There shouldn't be calls to these (apart from a known "
"one in Shivers)\n", argv[0]);
DebugPrintf("%s Unused - find all calls to unused functions (mapped to "
"kDummy - i.e. mapped in SSCI but dummy in ScummVM, thus "
"they'll error out when called). Only debug scripts should "
"be calling these\n", argv[0]);
DebugPrintf("%s Unmapped - find all calls to currently unmapped or "
"unimplemented functions (mapped to kStub/kStubNull)\n", argv[0]);
return true;
}
Kernel *kernel = _engine->getKernel();
Common::String funcName(argv[1]);
if (funcName != "Dummy" && funcName != "Unused" && funcName != "Unmapped") {
// Find the number of the kernel function call
int kernelFuncNum = kernel->findKernelFuncPos(argv[1]);
if (kernelFuncNum < 0) {
DebugPrintf("Invalid kernel function requested\n");
return true;
}
printKernelCallsFound(kernelFuncNum, true);
} else if (funcName == "Dummy") {
// Find all actual dummy kernel functions (mapped to kDummy, and dummy
// in the kernel table)
for (uint i = 0; i < kernel->_kernelFuncs.size(); i++) {
if (kernel->_kernelFuncs[i].function == &kDummy && kernel->getKernelName(i) == "Dummy") {
DebugPrintf("Searching for kernel function %d (%s)...\n", i, kernel->getKernelName(i).c_str());
printKernelCallsFound(i, false);
}
}
} else if (funcName == "Unused") {
// Find all actual dummy kernel functions (mapped to kDummy - i.e.
// mapped in SSCI but dummy in ScummVM, thus they'll error out when
// called)
for (uint i = 0; i < kernel->_kernelFuncs.size(); i++) {
if (kernel->_kernelFuncs[i].function == &kDummy && kernel->getKernelName(i) != "Dummy") {
DebugPrintf("Searching for kernel function %d (%s)...\n", i, kernel->getKernelName(i).c_str());
printKernelCallsFound(i, false);
}
}
} else if (funcName == "Unmapped") {
// Find all unmapped kernel functions (mapped to kStub/kStubNull)
for (uint i = 0; i < kernel->_kernelFuncs.size(); i++) {
if (kernel->_kernelFuncs[i].function == &kStub ||
kernel->_kernelFuncs[i].function == &kStubNull) {
DebugPrintf("Searching for kernel function %d (%s)...\n", i, kernel->getKernelName(i).c_str());
printKernelCallsFound(i, false);
}
}
}
return true;
}
bool Console::cmdSend(int argc, const char **argv) {
if (argc < 3) {
DebugPrintf("Sends a message to an object.\n");
DebugPrintf("Usage: %s <object> <selector name> <param1> <param2> ... <paramn>\n", argv[0]);
DebugPrintf("Example: %s ?fooScript cue\n", argv[0]);
return true;
}
reg_t object;
if (parse_reg_t(_engine->_gamestate, argv[1], &object, false)) {
DebugPrintf("Invalid address \"%s\" passed.\n", argv[1]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
const char *selectorName = argv[2];
int selectorId = _engine->getKernel()->findSelector(selectorName);
if (selectorId < 0) {
DebugPrintf("Unknown selector: \"%s\"\n", selectorName);
return true;
}
const Object *o = _engine->_gamestate->_segMan->getObject(object);
if (o == NULL) {
DebugPrintf("Address \"%04x:%04x\" is not an object\n", PRINT_REG(object));
return true;
}
SelectorType selector_type = lookupSelector(_engine->_gamestate->_segMan, object, selectorId, NULL, NULL);
if (selector_type == kSelectorNone) {
DebugPrintf("Object does not support selector: \"%s\"\n", selectorName);
return true;
}
// everything after the selector name is passed as an argument to the send
int send_argc = argc - 3;
// Create the data block for send_selecor() at the top of the stack:
// [selector_number][argument_counter][arguments...]
StackPtr stackframe = _engine->_gamestate->_executionStack.back().sp;
stackframe[0] = make_reg(0, selectorId);
stackframe[1] = make_reg(0, send_argc);
for (int i = 0; i < send_argc; i++) {
if (parse_reg_t(_engine->_gamestate, argv[3+i], &stackframe[2+i], false)) {
DebugPrintf("Invalid address \"%s\" passed.\n", argv[3+i]);
DebugPrintf("Check the \"addresses\" command on how to use addresses\n");
return true;
}
}
reg_t old_acc = _engine->_gamestate->r_acc;
// Now commit the actual function:
ExecStack *old_xstack, *xstack;
old_xstack = &_engine->_gamestate->_executionStack.back();
xstack = send_selector(_engine->_gamestate, object, object,
stackframe + 2 + send_argc,
2 + send_argc, stackframe);
bool restore_acc = old_xstack != xstack || argc == 3;
if (old_xstack != xstack) {
_engine->_gamestate->_executionStackPosChanged = true;
DebugPrintf("Message scheduled for execution\n");
// We call run_engine explictly so we can restore the value of r_acc
// after execution.
run_vm(_engine->_gamestate);
}
if (restore_acc) {
// varselector read or message executed
DebugPrintf("Message completed. Value returned: %04x:%04x\n", PRINT_REG(_engine->_gamestate->r_acc));
_engine->_gamestate->r_acc = old_acc;
}
return true;
}
bool Console::cmdGo(int argc, const char **argv) {
// CHECKME: is this necessary?
_debugState.seeking = kDebugSeekNothing;
return Cmd_Exit(argc, argv);
}
bool Console::cmdLogKernel(int argc, const char **argv) {
if (argc < 3) {
DebugPrintf("Logs calls to specified kernel function.\n");
DebugPrintf("Usage: %s <kernel function/*> <on/off>\n", argv[0]);
DebugPrintf("Example: %s StrCpy on\n", argv[0]);
return true;
}
bool logging;
if (strcmp(argv[2], "on") == 0)
logging = true;
else if (strcmp(argv[2], "off") == 0)
logging = false;
else {
DebugPrintf("2nd parameter must be either on or off\n");
return true;
}
if (g_sci->getKernel()->debugSetFunction(argv[1], logging, -1))
DebugPrintf("Logging %s for k%s\n", logging ? "enabled" : "disabled", argv[1]);
else
DebugPrintf("Unknown kernel function %s\n", argv[1]);
return true;
}
bool Console::cmdBreakpointList(int argc, const char **argv) {
int i = 0;
int bpdata;
DebugPrintf("Breakpoint list:\n");
Common::List<Breakpoint>::const_iterator bp = _debugState._breakpoints.begin();
Common::List<Breakpoint>::const_iterator end = _debugState._breakpoints.end();
for (; bp != end; ++bp) {
DebugPrintf(" #%i: ", i);
switch (bp->type) {
case BREAK_SELECTOREXEC:
DebugPrintf("Execute %s\n", bp->name.c_str());
break;
case BREAK_SELECTORREAD:
DebugPrintf("Read %s\n", bp->name.c_str());
break;
case BREAK_SELECTORWRITE:
DebugPrintf("Write %s\n", bp->name.c_str());
break;
case BREAK_EXPORT:
bpdata = bp->address;
DebugPrintf("Execute script %d, export %d\n", bpdata >> 16, bpdata & 0xFFFF);
break;
}
i++;
}
if (!i)
DebugPrintf(" No breakpoints defined.\n");
return true;
}
bool Console::cmdBreakpointDelete(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Deletes a breakpoint with the specified index.\n");
DebugPrintf("Usage: %s <breakpoint index>\n", argv[0]);
DebugPrintf("<index> * will remove all breakpoints\n");
return true;
}
if (strcmp(argv[1], "*") == 0) {
_debugState._breakpoints.clear();
_debugState._activeBreakpointTypes = 0;
return true;
}
const int idx = atoi(argv[1]);
// Find the breakpoint at index idx.
Common::List<Breakpoint>::iterator bp = _debugState._breakpoints.begin();
const Common::List<Breakpoint>::iterator end = _debugState._breakpoints.end();
for (int i = 0; bp != end && i < idx; ++bp, ++i) {
// do nothing
}
if (bp == end) {
DebugPrintf("Invalid breakpoint index %i\n", idx);
return true;
}
// Delete it
_debugState._breakpoints.erase(bp);
// Update EngineState::_activeBreakpointTypes.
int type = 0;
for (bp = _debugState._breakpoints.begin(); bp != end; ++bp) {
type |= bp->type;
}
_debugState._activeBreakpointTypes = type;
return true;
}
bool Console::cmdBreakpointMethod(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Sets a breakpoint on execution of a specified method/selector.\n");
DebugPrintf("Usage: %s <name>\n", argv[0]);
DebugPrintf("Example: %s ego::doit\n", argv[0]);
DebugPrintf("May also be used to set a breakpoint that applies whenever an object\n");
DebugPrintf("of a specific type is touched: %s foo::\n", argv[0]);
return true;
}
/* Note: We can set a breakpoint on a method that has not been loaded yet.
Thus, we can't check whether the command argument is a valid method name.
A breakpoint set on an invalid method name will just never trigger. */
Breakpoint bp;
bp.type = BREAK_SELECTOREXEC;
bp.name = argv[1];
_debugState._breakpoints.push_back(bp);
_debugState._activeBreakpointTypes |= BREAK_SELECTOREXEC;
return true;
}
bool Console::cmdBreakpointRead(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Sets a breakpoint on reading of a specified selector.\n");
DebugPrintf("Usage: %s <name>\n", argv[0]);
DebugPrintf("Example: %s ego::view\n", argv[0]);
return true;
}
Breakpoint bp;
bp.type = BREAK_SELECTORREAD;
bp.name = argv[1];
_debugState._breakpoints.push_back(bp);
_debugState._activeBreakpointTypes |= BREAK_SELECTORREAD;
return true;
}
bool Console::cmdBreakpointWrite(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Sets a breakpoint on writing of a specified selector.\n");
DebugPrintf("Usage: %s <name>\n", argv[0]);
DebugPrintf("Example: %s ego::view\n", argv[0]);
return true;
}
Breakpoint bp;
bp.type = BREAK_SELECTORWRITE;
bp.name = argv[1];
_debugState._breakpoints.push_back(bp);
_debugState._activeBreakpointTypes |= BREAK_SELECTORWRITE;
return true;
}
bool Console::cmdBreakpointKernel(int argc, const char **argv) {
if (argc < 3) {
DebugPrintf("Sets a breakpoint on execution of a kernel function.\n");
DebugPrintf("Usage: %s <name> <on/off>\n", argv[0]);
DebugPrintf("Example: %s DrawPic on\n", argv[0]);
return true;
}
bool breakpoint;
if (strcmp(argv[2], "on") == 0)
breakpoint = true;
else if (strcmp(argv[2], "off") == 0)
breakpoint = false;
else {
DebugPrintf("2nd parameter must be either on or off\n");
return true;
}
if (g_sci->getKernel()->debugSetFunction(argv[1], -1, breakpoint))
DebugPrintf("Breakpoint %s for k%s\n", (breakpoint ? "enabled" : "disabled"), argv[1]);
else
DebugPrintf("Unknown kernel function %s\n", argv[1]);
return true;
}
bool Console::cmdBreakpointFunction(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Sets a breakpoint on the execution of the specified exported function.\n");
DebugPrintf("Usage: %s <script number> <export number\n", argv[0]);
return true;
}
/* Note: We can set a breakpoint on a method that has not been loaded yet.
Thus, we can't check whether the command argument is a valid method name.
A breakpoint set on an invalid method name will just never trigger. */
Breakpoint bp;
bp.type = BREAK_EXPORT;
// script number, export number
bp.address = (atoi(argv[1]) << 16 | atoi(argv[2]));
_debugState._breakpoints.push_back(bp);
_debugState._activeBreakpointTypes |= BREAK_EXPORT;
return true;
}
bool Console::cmdSfx01Header(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("Dumps the header of a SCI01 song\n");
DebugPrintf("Usage: %s <track>\n", argv[0]);
return true;
}
Resource *song = _engine->getResMan()->findResource(ResourceId(kResourceTypeSound, atoi(argv[1])), 0);
if (!song) {
DebugPrintf("Doesn't exist\n");
return true;
}
uint32 offset = 0;
DebugPrintf("SCI01 song track mappings:\n");
if (*song->data == 0xf0) // SCI1 priority spec
offset = 8;
if (song->size <= 0)
return 1;
while (song->data[offset] != 0xff) {
byte device_id = song->data[offset];
DebugPrintf("* Device %02x:\n", device_id);
offset++;
if (offset + 1 >= song->size)
return 1;
while (song->data[offset] != 0xff) {
int track_offset;
int end;
byte header1, header2;
if (offset + 7 >= song->size)
return 1;
offset += 2;
track_offset = READ_LE_UINT16(song->data + offset);
header1 = song->data[track_offset];
header2 = song->data[track_offset+1];
track_offset += 2;
end = READ_LE_UINT16(song->data + offset + 2);
DebugPrintf(" - %04x -- %04x", track_offset, track_offset + end);
if (track_offset == 0xfe)
DebugPrintf(" (PCM data)\n");
else
DebugPrintf(" (channel %d, special %d, %d playing notes, %d foo)\n",
header1 & 0xf, header1 >> 4, header2 & 0xf, header2 >> 4);
offset += 4;
}
offset++;
}
return true;
}
static int _parse_ticks(byte *data, int *offset_p, int size) {
int ticks = 0;
int tempticks;
int offset = 0;
do {
tempticks = data[offset++];
ticks += (tempticks == SCI_MIDI_TIME_EXPANSION_PREFIX) ? SCI_MIDI_TIME_EXPANSION_LENGTH : tempticks;
} while (tempticks == SCI_MIDI_TIME_EXPANSION_PREFIX && offset < size);
if (offset_p)
*offset_p = offset;
return ticks;
}
// Specialised for SCI01 tracks (this affects the way cumulative cues are treated)
static void midi_hexdump(byte *data, int size, int notational_offset) {
int offset = 0;
int prev = 0;
const int MIDI_cmdlen[16] = {0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 1, 1, 2, 0};
if (*data == 0xf0) // SCI1 priority spec
offset = 8;
while (offset < size) {
int old_offset = offset;
int offset_mod;
int time = _parse_ticks(data + offset, &offset_mod, size);
int cmd;
int pleft;
int firstarg = 0;
int i;
int blanks = 0;
offset += offset_mod;
debugN(" [%04x] %d\t",
old_offset + notational_offset, time);
cmd = data[offset];
if (!(cmd & 0x80)) {
cmd = prev;
if (prev < 0x80) {
debugN("Track broken at %x after"
" offset mod of %d\n",
offset + notational_offset, offset_mod);
Common::hexdump(data, size, 16, notational_offset);
return;
}
debugN("(rs %02x) ", cmd);
blanks += 8;
} else {
++offset;
debugN("%02x ", cmd);
blanks += 3;
}
prev = cmd;
pleft = MIDI_cmdlen[cmd >> 4];
if (SCI_MIDI_CONTROLLER(cmd) && data[offset] == SCI_MIDI_CUMULATIVE_CUE)
--pleft; // This is SCI(0)1 specific
for (i = 0; i < pleft; i++) {
if (i == 0)
firstarg = data[offset];
debugN("%02x ", data[offset++]);
blanks += 3;
}
while (blanks < 16) {
blanks += 4;
debugN(" ");
}
while (blanks < 20) {
++blanks;
debugN(" ");
}
if (cmd == SCI_MIDI_EOT)
debugN(";; EOT");
else if (cmd == SCI_MIDI_SET_SIGNAL) {
if (firstarg == SCI_MIDI_SET_SIGNAL_LOOP)
debugN(";; LOOP point");
else
debugN(";; CUE (%d)", firstarg);
} else if (SCI_MIDI_CONTROLLER(cmd)) {
if (firstarg == SCI_MIDI_CUMULATIVE_CUE)
debugN(";; CUE (cumulative)");
else if (firstarg == SCI_MIDI_RESET_ON_SUSPEND)
debugN(";; RESET-ON-SUSPEND flag");
}
debugN("\n");
if (old_offset >= offset) {
debugN("-- Not moving forward anymore,"
" aborting (%x/%x)\n", offset, old_offset);
return;
}
}
}
bool Console::cmdSfx01Track(int argc, const char **argv) {
if (argc != 3) {
DebugPrintf("Dumps a track of a SCI01 song\n");
DebugPrintf("Usage: %s <track> <offset>\n", argv[0]);
return true;
}
Resource *song = _engine->getResMan()->findResource(ResourceId(kResourceTypeSound, atoi(argv[1])), 0);
int offset = atoi(argv[2]);
if (!song) {
DebugPrintf("Doesn't exist\n");
return true;
}
midi_hexdump(song->data + offset, song->size, offset);
return true;
}
bool Console::cmdQuit(int argc, const char **argv) {
if (argc != 2) {
DebugPrintf("%s game - exit gracefully\n", argv[0]);
DebugPrintf("%s now - exit ungracefully\n", argv[0]);
return true;
}
if (!scumm_stricmp(argv[1], "game")) {
// Quit gracefully
_engine->_gamestate->abortScriptProcessing = kAbortQuitGame; // Terminate VM
_debugState.seeking = kDebugSeekNothing;
_debugState.runningStep = 0;
} else if (!scumm_stricmp(argv[1], "now")) {
// Quit ungracefully
exit(0);
}
return Cmd_Exit(0, 0);
}
bool Console::cmdAddresses(int argc, const char **argv) {
DebugPrintf("Address parameters may be passed in one of three forms:\n");
DebugPrintf(" - ssss:oooo -- where 'ssss' denotes a segment and 'oooo' an offset.\n");
DebugPrintf(" Example: \"a:c5\" would address something in segment 0xa at offset 0xc5.\n");
DebugPrintf(" - &scr:oooo -- where 'scr' is a script number and oooo an offset within that script; will\n");
DebugPrintf(" fail if the script is not currently loaded\n");
DebugPrintf(" - $REG -- where 'REG' is one of 'PC', 'ACC', 'PREV' or 'OBJ': References the address\n");
DebugPrintf(" indicated by the register of this name.\n");
DebugPrintf(" - $REG+n (or -n) -- Like $REG, but modifies the offset part by a specific amount (which\n");
DebugPrintf(" is specified in hexadecimal).\n");
DebugPrintf(" - ?obj -- Looks up an object with the specified name, uses its address. This will abort if\n");
DebugPrintf(" the object name is ambiguous; in that case, a list of addresses and indices is provided.\n");
DebugPrintf(" ?obj.idx may be used to disambiguate 'obj' by the index 'idx'.\n");
return true;
}
// Returns 0 on success
static int parse_reg_t(EngineState *s, const char *str, reg_t *dest, bool mayBeValue) {
// Pointer to the part of str which contains a numeric offset (if any)
const char *offsetStr = NULL;
// Flag that tells whether the value stored in offsetStr is an absolute offset,
// or a relative offset against dest->offset.
bool relativeOffset = false;
// Non-NULL: Parse end of string for relative offsets
char *endptr;
if (*str == '$') { // Register: "$FOO" or "$FOO+NUM" or "$FOO-NUM
relativeOffset = true;
if (!scumm_strnicmp(str + 1, "PC", 2)) {
*dest = s->_executionStack.back().addr.pc;
offsetStr = str + 3;
} else if (!scumm_strnicmp(str + 1, "P", 1)) {
*dest = s->_executionStack.back().addr.pc;
offsetStr = str + 2;
} else if (!scumm_strnicmp(str + 1, "PREV", 4)) {
*dest = s->r_prev;
offsetStr = str + 5;
} else if (!scumm_strnicmp(str + 1, "ACC", 3)) {
*dest = s->r_acc;
offsetStr = str + 4;
} else if (!scumm_strnicmp(str + 1, "A", 1)) {
*dest = s->r_acc;
offsetStr = str + 2;
} else if (!scumm_strnicmp(str + 1, "OBJ", 3)) {
*dest = s->_executionStack.back().objp;
offsetStr = str + 4;
} else if (!scumm_strnicmp(str + 1, "O", 1)) {
*dest = s->_executionStack.back().objp;
offsetStr = str + 2;
} else
return 1; // No matching register
if (!*offsetStr)
offsetStr = NULL;
else if (*offsetStr != '+' && *offsetStr != '-')
return 1;
} else if (*str == '&') { // Script relative: "&SCRIPT-ID:OFFSET"
// Look up by script ID. The text from start till just before the colon
// (resp. end of string, if there is no colon) contains the script ID.
const char *colon = strchr(str, ':');
if (!colon)
return 1;
// Extract the script id and parse it
Common::String scriptStr(str, colon);
int script_nr = strtol(scriptStr.c_str() + 1, &endptr, 10);
if (*endptr)
return 1;
// Now lookup the script's segment
dest->segment = s->_segMan->getScriptSegment(script_nr);
if (!dest->segment) {
return 1;
}
// Finally, after the colon comes the offset
offsetStr = colon + 1;
} else {
// Now we either got an object name, or segment:offset or plain value
// segment:offset is recognized by the ":"
// plain value may be "123" or "123h" or "fffh" or "0xfff"
// object name is assumed if nothing else matches or a "?" is used as prefix as override
// object name may contain "+", "-" and "." for relative calculations, those chars are used nowhere else
// First we cycle through the string counting special chars
const char *strLoop = str;
int charsCount = strlen(str);
int charsCountObject = 0;
int charsCountSegmentOffset = 0;
int charsCountLetter = 0;
int charsCountNumber = 0;
bool charsForceHex = false;
bool charsForceObject = false;
while (*strLoop) {
switch (*strLoop) {
case '+':
case '-':
case '.':
charsCountObject++;
break;
case '?':
if (strLoop == str) {
charsForceObject = true;
str++; // skip over prefix
}
break;
case ':':
charsCountSegmentOffset++;
break;
case 'h':
if (*(strLoop + 1) == 0)
charsForceHex = true;
else
charsCountObject++;
break;
case '0':
if (*(strLoop + 1) == 'x') {
str += 2; // skip "0x"
strLoop++; // skip "x"
charsForceHex = true;
}
charsCountNumber++;
break;
default:
if ((*strLoop >= '0') && (*strLoop <= '9'))
charsCountNumber++;
if ((*strLoop >= 'a') && (*strLoop <= 'f'))
charsCountLetter++;
if ((*strLoop >= 'A') && (*strLoop <= 'F'))
charsCountLetter++;
if ((*strLoop >= 'i') && (*strLoop <= 'z'))
charsCountObject++;
if ((*strLoop >= 'I') && (*strLoop <= 'Z'))
charsCountObject++;
}
strLoop++;
}
if ((charsCountObject) && (charsCountSegmentOffset))
return 1; // input doesn't make sense
if (!charsForceObject) {
// input may be values/segment:offset
if (charsCountSegmentOffset) {
// ':' found, so must be segment:offset
const char *colon = strchr(str, ':');
offsetStr = colon + 1;
Common::String segmentStr(str, colon);
dest->segment = strtol(segmentStr.c_str(), &endptr, 16);
if (*endptr)
return 1;
} else {
int val = 0;
dest->segment = 0;
if (charsCountNumber == charsCount) {
// Only numbers in input, assume decimal value
val = strtol(str, &endptr, 10);
if (*endptr)
return 1; // strtol failed?
dest->offset = val;
return 0;
} else {
// We also got letters, check if there were only hexadecimal letters and '0x' at the start or 'h' at the end
if ((charsForceHex) && (!charsCountObject)) {
val = strtol(str, &endptr, 16);
if ((*endptr != 'h') && (*endptr != 0))
return 1;
dest->offset = val;
return 0;
} else {
// Something else was in input, assume object name
charsForceObject = true;
}
}
}
}
if (charsForceObject) {
// We assume now that input is object name
// Object by name: "?OBJ" or "?OBJ.INDEX" or "?OBJ.INDEX+OFFSET" or "?OBJ.INDEX-OFFSET"
// The (optional) index can be used to distinguish multiple object with the same name.
int index = -1;
// Look for an offset. It starts with + or -
relativeOffset = true;
offsetStr = strchr(str, '+');
if (!offsetStr) // No + found, look for -
offsetStr = strchr(str, '-');
// Strip away the offset and the leading '?'
Common::String str_objname;
if (offsetStr)
str_objname = Common::String(str, offsetStr);
else
str_objname = str;
// Scan for a period, after which (if present) we'll find an index
const char *tmp = Common::find(str_objname.begin(), str_objname.end(), '.');
if (tmp != str_objname.end()) {
index = strtol(tmp + 1, &endptr, 16);
if (*endptr)
return -1;
// Chop of the index
str_objname = Common::String(str_objname.c_str(), tmp);
}
// Now all values are available; iterate over all objects.
*dest = s->_segMan->findObjectByName(str_objname, index);
if (dest->isNull())
return 1;
}
}
if (offsetStr) {
int val = strtol(offsetStr, &endptr, 16);
if (relativeOffset)
dest->offset += val;
else
dest->offset = val;
if (*endptr)
return 1;
}
return 0;
}
bool Console::parseInteger(const char *argument, int &result) {
char *endPtr = 0;
int idxLen = strlen(argument);
const char *lastChar = argument + idxLen - (idxLen == 0 ? 0 : 1);
if ((strncmp(argument, "0x", 2) == 0) || (*lastChar == 'h')) {
// hexadecimal number
result = strtol(argument, &endPtr, 16);
if ((*endPtr != 0) && (*endPtr != 'h')) {
DebugPrintf("Invalid hexadecimal number '%s'\n", argument);
return false;
}
} else {
// decimal number
result = strtol(argument, &endPtr, 10);
if (*endPtr != 0) {
DebugPrintf("Invalid decimal number '%s'\n", argument);
return false;
}
}
return true;
}
void Console::printBasicVarInfo(reg_t variable) {
int regType = g_sci->getKernel()->findRegType(variable);
int segType = regType;
SegManager *segMan = g_sci->getEngineState()->_segMan;
segType &= SIG_TYPE_INTEGER | SIG_TYPE_OBJECT | SIG_TYPE_REFERENCE | SIG_TYPE_NODE | SIG_TYPE_LIST | SIG_TYPE_UNINITIALIZED | SIG_TYPE_ERROR;
switch (segType) {
case SIG_TYPE_INTEGER: {
uint16 content = variable.toUint16();
if (content >= 10)
DebugPrintf(" (%dd)", content);
break;
}
case SIG_TYPE_OBJECT:
DebugPrintf(" (object '%s')", segMan->getObjectName(variable));
break;
case SIG_TYPE_REFERENCE:
DebugPrintf(" (reference)");
break;
case SIG_TYPE_NODE:
DebugPrintf(" (node)");
break;
case SIG_TYPE_LIST:
DebugPrintf(" (list)");
break;
case SIG_TYPE_UNINITIALIZED:
DebugPrintf(" (uninitialized)");
break;
case SIG_TYPE_ERROR:
DebugPrintf(" (error)");
break;
default:
DebugPrintf(" (??\?)");
}
if (regType & SIG_IS_INVALID)
DebugPrintf(" IS INVALID!");
}
void Console::printList(List *list) {
reg_t pos = list->first;
reg_t my_prev = NULL_REG;
DebugPrintf("\t<\n");
while (!pos.isNull()) {
Node *node;
NodeTable *nt = (NodeTable *)_engine->_gamestate->_segMan->getSegment(pos.segment, SEG_TYPE_NODES);
if (!nt || !nt->isValidEntry(pos.offset)) {
DebugPrintf(" WARNING: %04x:%04x: Doesn't contain list node!\n",
PRINT_REG(pos));
return;
}
node = &(nt->_table[pos.offset]);
DebugPrintf("\t%04x:%04x : %04x:%04x -> %04x:%04x\n", PRINT_REG(pos), PRINT_REG(node->key), PRINT_REG(node->value));
if (my_prev != node->pred)
DebugPrintf(" WARNING: current node gives %04x:%04x as predecessor!\n",
PRINT_REG(node->pred));
my_prev = pos;
pos = node->succ;
}
if (my_prev != list->last)
DebugPrintf(" WARNING: Last node was expected to be %04x:%04x, was %04x:%04x!\n",
PRINT_REG(list->last), PRINT_REG(my_prev));
DebugPrintf("\t>\n");
}
int Console::printNode(reg_t addr) {
SegmentObj *mobj = _engine->_gamestate->_segMan->getSegment(addr.segment, SEG_TYPE_LISTS);
if (mobj) {
ListTable *lt = (ListTable *)mobj;
List *list;
if (!lt->isValidEntry(addr.offset)) {
DebugPrintf("Address does not contain a list\n");
return 1;
}
list = &(lt->_table[addr.offset]);
DebugPrintf("%04x:%04x : first x last = (%04x:%04x, %04x:%04x)\n", PRINT_REG(addr), PRINT_REG(list->first), PRINT_REG(list->last));
} else {
NodeTable *nt;
Node *node;
mobj = _engine->_gamestate->_segMan->getSegment(addr.segment, SEG_TYPE_NODES);
if (!mobj) {
DebugPrintf("Segment #%04x is not a list or node segment\n", addr.segment);
return 1;
}
nt = (NodeTable *)mobj;
if (!nt->isValidEntry(addr.offset)) {
DebugPrintf("Address does not contain a node\n");
return 1;
}
node = &(nt->_table[addr.offset]);
DebugPrintf("%04x:%04x : prev x next = (%04x:%04x, %04x:%04x); maps %04x:%04x -> %04x:%04x\n",
PRINT_REG(addr), PRINT_REG(node->pred), PRINT_REG(node->succ), PRINT_REG(node->key), PRINT_REG(node->value));
}
return 0;
}
int Console::printObject(reg_t pos) {
EngineState *s = _engine->_gamestate; // for the several defines in this function
const Object *obj = s->_segMan->getObject(pos);
const Object *var_container = obj;
uint i;
if (!obj) {
DebugPrintf("[%04x:%04x]: Not an object.", PRINT_REG(pos));
return 1;
}
// Object header
DebugPrintf("[%04x:%04x] %s : %3d vars, %3d methods\n", PRINT_REG(pos), s->_segMan->getObjectName(pos),
obj->getVarCount(), obj->getMethodCount());
if (!obj->isClass() && getSciVersion() != SCI_VERSION_3)
var_container = s->_segMan->getObject(obj->getSuperClassSelector());
DebugPrintf(" -- member variables:\n");
for (i = 0; (uint)i < obj->getVarCount(); i++) {
DebugPrintf(" ");
if (i < var_container->getVarCount()) {
uint16 varSelector = var_container->getVarSelector(i);
DebugPrintf("[%03x] %s = ", varSelector, _engine->getKernel()->getSelectorName(varSelector).c_str());
} else
DebugPrintf("p#%x = ", i);
reg_t val = obj->getVariable(i);
DebugPrintf("%04x:%04x", PRINT_REG(val));
if (!val.segment)
DebugPrintf(" (%d)", val.offset);
const Object *ref = s->_segMan->getObject(val);
if (ref)
DebugPrintf(" (%s)", s->_segMan->getObjectName(val));
DebugPrintf("\n");
}
DebugPrintf(" -- methods:\n");
for (i = 0; i < obj->getMethodCount(); i++) {
reg_t fptr = obj->getFunction(i);
DebugPrintf(" [%03x] %s = %04x:%04x\n", obj->getFuncSelector(i), _engine->getKernel()->getSelectorName(obj->getFuncSelector(i)).c_str(), PRINT_REG(fptr));
}
if (s->_segMan->_heap[pos.segment]->getType() == SEG_TYPE_SCRIPT)
DebugPrintf("\nOwner script: %d\n", s->_segMan->getScript(pos.segment)->getScriptNumber());
return 0;
}
static void printChar(byte c) {
if (c < 32 || c >= 127)
c = '.';
debugN("%c", c);
}
void Console::hexDumpReg(const reg_t *data, int len, int regsPerLine, int startOffset, bool isArray) {
// reg_t version of Common::hexdump
assert(1 <= regsPerLine && regsPerLine <= 8);
int i;
int offset = startOffset;
while (len >= regsPerLine) {
debugN("%06x: ", offset);
for (i = 0; i < regsPerLine; i++) {
debugN("%04x:%04x ", PRINT_REG(data[i]));
}
debugN(" |");
for (i = 0; i < regsPerLine; i++) {
if (g_sci->isBE()) {
printChar(data[i].toUint16() >> 8);
printChar(data[i].toUint16() & 0xff);
} else {
printChar(data[i].toUint16() & 0xff);
printChar(data[i].toUint16() >> 8);
}
}
debugN("|\n");
data += regsPerLine;
len -= regsPerLine;
offset += regsPerLine * (isArray ? 1 : 2);
}
if (len <= 0)
return;
debugN("%06x: ", offset);
for (i = 0; i < regsPerLine; i++) {
if (i < len)
debugN("%04x:%04x ", PRINT_REG(data[i]));
else
debugN(" ");
}
debugN(" |");
for (i = 0; i < len; i++) {
if (g_sci->isBE()) {
printChar(data[i].toUint16() >> 8);
printChar(data[i].toUint16() & 0xff);
} else {
printChar(data[i].toUint16() & 0xff);
printChar(data[i].toUint16() >> 8);
}
}
for (; i < regsPerLine; i++)
debugN(" ");
debugN("|\n");
}
} // End of namespace Sci
Reference in New Issue View Git Blame Copy Permalink