scummvm/engines/parallaction/exec_br.cpp
2009-10-16 04:25:28 +00:00

665 lines
15 KiB
C++

/* 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.
*
* $URL$
* $Id$
*
*/
#include "parallaction/exec.h"
#include "parallaction/input.h"
#include "parallaction/parallaction.h"
namespace Parallaction {
#define INST_ON 1
#define INST_OFF 2
#define INST_X 3
#define INST_Y 4
#define INST_Z 5
#define INST_F 6
#define INST_LOOP 7
#define INST_ENDLOOP 8
#define INST_SHOW 9
#define INST_INC 10
#define INST_DEC 11
#define INST_SET 12
#define INST_PUT 13
#define INST_CALL 14
#define INST_WAIT 15
#define INST_START 16
#define INST_PROCESS 17
#define INST_MOVE 18
#define INST_COLOR 19
#define INST_SOUND 20
#define INST_MASK 21
#define INST_PRINT 22
#define INST_TEXT 23
#define INST_MUL 24
#define INST_DIV 25
#define INST_IFEQ 26
#define INST_IFLT 27
#define INST_IFGT 28
#define INST_ENDIF 29
#define INST_STOP 30
#define INST_ENDSCRIPT 31
#define SetOpcodeTable(x) table = &x;
typedef Common::Functor1Mem<CommandContext&, void, CommandExec_br> OpcodeV1;
#define COMMAND_OPCODE(op) table->push_back(new OpcodeV1(this, &CommandExec_br::cmdOp_##op))
#define DECLARE_COMMAND_OPCODE(op) void CommandExec_br::cmdOp_##op(CommandContext &ctxt)
typedef Common::Functor1Mem<ProgramContext&, void, ProgramExec_br> OpcodeV2;
#define INSTRUCTION_OPCODE(op) table->push_back(new OpcodeV2(this, &ProgramExec_br::instOp_##op))
#define DECLARE_INSTRUCTION_OPCODE(op) void ProgramExec_br::instOp_##op(ProgramContext &ctxt)
extern const char *_instructionNamesRes_br[];
void Parallaction_br::setupSubtitles(char *s, char *s2, int y) {
debugC(5, kDebugExec, "setupSubtitles(%s, %s, %i)", s, s2, y);
clearSubtitles();
if (!scumm_stricmp("clear", s)) {
return;
}
if (y != -1) {
_subtitleY = y;
}
// FIXME: render subtitles using the right color (10 instead of 0).
// The original game features a nasty hack, having the font rendering routine
// replacing color 12 of font RUSSIA with 10 when preparing subtitles.
uint8 color = (getPlatform() == Common::kPlatformAmiga) ? 11 : 0;
_subtitle[0] = _gfx->createLabel(_labelFont, s, color);
_gfx->showLabel(_subtitle[0], CENTER_LABEL_HORIZONTAL, _subtitleY);
if (s2) {
_subtitle[1] = _gfx->createLabel(_labelFont, s2, color);
_gfx->showLabel(_subtitle[1], CENTER_LABEL_HORIZONTAL, _subtitleY + 5 + _labelFont->height());
} else {
_subtitle[1] = -1;
}
#if 0 // disabled because no references to lip sync has been found in the scripts
_subtitleLipSync = 0;
#endif
}
void Parallaction_br::clearSubtitles() {
if (_subtitle[0] != -1) {
_gfx->hideLabel(_subtitle[0]);
}
if (_subtitle[1] != -1) {
_gfx->hideLabel(_subtitle[1]);
}
}
DECLARE_COMMAND_OPCODE(location) {
_vm->_location._startPosition = ctxt._cmd->_startPos;
_vm->_location._startFrame = 0;
_vm->_location._followerStartPosition = ctxt._cmd->_startPos2;
_vm->_location._followerStartFrame = 0;
_vm->scheduleLocationSwitch(ctxt._cmd->_string);
}
DECLARE_COMMAND_OPCODE(open) {
_vm->updateDoor(ctxt._cmd->_zone, false);
}
DECLARE_COMMAND_OPCODE(close) {
_vm->updateDoor(ctxt._cmd->_zone, true);
}
DECLARE_COMMAND_OPCODE(on) {
_vm->showZone(ctxt._cmd->_zone, true);
}
DECLARE_COMMAND_OPCODE(off) {
_vm->showZone(ctxt._cmd->_zone, false);
}
DECLARE_COMMAND_OPCODE(call) {
_vm->callFunction(ctxt._cmd->_callable, &ctxt._z);
}
DECLARE_COMMAND_OPCODE(drop) {
_vm->dropItem(ctxt._cmd->_object);
}
DECLARE_COMMAND_OPCODE(move) {
_vm->scheduleWalk(ctxt._cmd->_move.x, ctxt._cmd->_move.y, false);
suspend();
}
DECLARE_COMMAND_OPCODE(start) {
ctxt._cmd->_zone->_flags |= kFlagsActing;
}
DECLARE_COMMAND_OPCODE(stop) {
ctxt._cmd->_zone->_flags &= ~kFlagsActing;
}
DECLARE_COMMAND_OPCODE(character) {
debugC(9, kDebugExec, "Parallaction_br::cmdOp_character(%s)", ctxt._cmd->_string);
_vm->changeCharacter(ctxt._cmd->_string);
}
DECLARE_COMMAND_OPCODE(followme) {
Common::String s(ctxt._cmd->_string);
if (!s.compareToIgnoreCase("NULL")) {
s.clear();
}
_vm->setFollower(s);
}
DECLARE_COMMAND_OPCODE(onmouse) {
_vm->_input->setMouseState(MOUSE_ENABLED_SHOW);
}
DECLARE_COMMAND_OPCODE(offmouse) {
_vm->_input->setMouseState(MOUSE_DISABLED);
}
DECLARE_COMMAND_OPCODE(add) {
_vm->addInventoryItem(ctxt._cmd->_object);
}
DECLARE_COMMAND_OPCODE(leave) {
ZonePtr z = ctxt._cmd->_zone;
_vm->dropItem(z->u._getIcon);
_vm->showZone(z, true);
}
DECLARE_COMMAND_OPCODE(inc) {
int v = _vm->getCounterValue(ctxt._cmd->_counterName);
_vm->setCounterValue(ctxt._cmd->_counterName, v + ctxt._cmd->_counterValue);
}
DECLARE_COMMAND_OPCODE(dec) {
int v = _vm->getCounterValue(ctxt._cmd->_counterName);
_vm->setCounterValue(ctxt._cmd->_counterName, v - ctxt._cmd->_counterValue);
}
// these definitions must match those in parser_br.cpp
#define CMD_TEST 25
#define CMD_TEST_GT 26
#define CMD_TEST_LT 27
DECLARE_COMMAND_OPCODE(ifeq) {
_vm->testCounterCondition(ctxt._cmd->_counterName, CMD_TEST, ctxt._cmd->_counterValue);
}
DECLARE_COMMAND_OPCODE(iflt) {
_vm->testCounterCondition(ctxt._cmd->_counterName, CMD_TEST_LT, ctxt._cmd->_counterValue);
}
DECLARE_COMMAND_OPCODE(ifgt) {
_vm->testCounterCondition(ctxt._cmd->_counterName, CMD_TEST_GT, ctxt._cmd->_counterValue);
}
DECLARE_COMMAND_OPCODE(let) {
_vm->setCounterValue(ctxt._cmd->_counterName, ctxt._cmd->_counterValue);
}
DECLARE_COMMAND_OPCODE(music) {
warning("Parallaction_br::cmdOp_music not yet implemented");
}
DECLARE_COMMAND_OPCODE(fix) {
ctxt._cmd->_zone->_flags |= kFlagsFixed;
}
DECLARE_COMMAND_OPCODE(unfix) {
ctxt._cmd->_zone->_flags &= ~kFlagsFixed;
}
DECLARE_COMMAND_OPCODE(zeta) {
_vm->_location._zeta0 = ctxt._cmd->_zeta0;
_vm->_location._zeta1 = ctxt._cmd->_zeta1;
_vm->_location._zeta2 = ctxt._cmd->_zeta2;
}
DECLARE_COMMAND_OPCODE(scroll) {
Common::Point p;
_vm->_gfx->getScrollPos(p);
_vm->_gfx->initiateScroll(ctxt._cmd->_counterValue - p.x, 0);
}
DECLARE_COMMAND_OPCODE(swap) {
warning("Parallaction_br::cmdOp_swap not yet implemented");
}
DECLARE_COMMAND_OPCODE(give) {
warning("Parallaction_br::cmdOp_give not yet implemented");
/* NOTE: the following code is disabled until I deal with _inventory and
* _charInventories not being public
*/
/* int item = ctxt._cmd->_object;
int recipient = ctxt._cmd->_characterId;
_vm->_charInventories[recipient]->addItem(item);
_vm->_inventory->removeItem(item);
*/
}
DECLARE_COMMAND_OPCODE(text) {
_vm->setupSubtitles(ctxt._cmd->_string, ctxt._cmd->_string2, ctxt._cmd->_zeta0);
}
DECLARE_COMMAND_OPCODE(part) {
warning("Parallaction_br::cmdOp_part not yet implemented");
}
DECLARE_COMMAND_OPCODE(testsfx) {
warning("Parallaction_br::cmdOp_testsfx not completely implemented");
_vm->clearLocationFlags(kFlagsTestTrue); // should test if sfx are enabled
}
DECLARE_COMMAND_OPCODE(ret) {
_engineFlags |= kEngineReturn;
}
DECLARE_COMMAND_OPCODE(onsave) {
warning("Parallaction_br::cmdOp_onsave not yet implemented");
}
DECLARE_COMMAND_OPCODE(offsave) {
warning("Parallaction_br::cmdOp_offsave not yet implemented");
}
DECLARE_INSTRUCTION_OPCODE(invalid) {
error("Can't execute invalid opcode %i", ctxt._inst->_index);
}
DECLARE_COMMAND_OPCODE(clear) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags &= ~ctxt._cmd->_flags;
} else {
_vm->clearLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_COMMAND_OPCODE(speak) {
// WORKAROUND: this avoids crashing when the zone is not parsed, like in the case
// of script bug in ticket #2718449.
if (!ctxt._cmd->_zone) {
return;
}
if (ACTIONTYPE(ctxt._cmd->_zone) == kZoneSpeak) {
_vm->enterDialogueMode(ctxt._cmd->_zone);
} else {
_vm->_activeZone = ctxt._cmd->_zone;
}
}
DECLARE_COMMAND_OPCODE(get) {
ctxt._cmd->_zone->_flags &= ~kFlagsFixed;
_vm->runZone(ctxt._cmd->_zone);
}
DECLARE_COMMAND_OPCODE(toggle) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags ^= ctxt._cmd->_flags;
} else {
_vm->toggleLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_COMMAND_OPCODE(quit) {
_vm->quitGame();
}
DECLARE_COMMAND_OPCODE(invalid) {
error("Can't execute invalid command '%i'", ctxt._cmd->_id);
}
DECLARE_COMMAND_OPCODE(set) {
if (ctxt._cmd->_flags & kFlagsGlobal) {
ctxt._cmd->_flags &= ~kFlagsGlobal;
_globalFlags |= ctxt._cmd->_flags;
} else {
_vm->setLocationFlags(ctxt._cmd->_flags);
}
}
DECLARE_INSTRUCTION_OPCODE(on) {
_vm->showZone(ctxt._inst->_z, true);
}
DECLARE_INSTRUCTION_OPCODE(off) {
_vm->showZone(ctxt._inst->_z, false);
}
DECLARE_INSTRUCTION_OPCODE(set) {
ctxt._inst->_opA.setValue(ctxt._inst->_opB.getValue());
}
DECLARE_INSTRUCTION_OPCODE(inc) {
InstructionPtr inst = ctxt._inst;
int16 rvalue = inst->_opB.getValue();
if (inst->_flags & kInstMod) { // mod
int16 _bx = (rvalue > 0 ? rvalue : -rvalue);
if (ctxt._modCounter % _bx != 0) return;
rvalue = (rvalue > 0 ? 1 : -1);
}
int16 lvalue = inst->_opA.getValue();
switch (inst->_index) {
case INST_INC:
lvalue += rvalue;
break;
case INST_DEC:
lvalue -= rvalue;
break;
case INST_MUL:
lvalue *= rvalue;
break;
case INST_DIV:
lvalue /= rvalue;
break;
default:
error("This should never happen. Report immediately");
}
inst->_opA.setValue(lvalue);
}
DECLARE_INSTRUCTION_OPCODE(put) {
// NOTE: there is not a single occurrence of PUT in the scripts
warning("PUT instruction is not implemented");
}
DECLARE_INSTRUCTION_OPCODE(wait) {
// NOTE: there is not a single occurrence of WAIT in the scripts
warning("WAIT instruction is not implemented");
}
DECLARE_INSTRUCTION_OPCODE(start) {
ctxt._inst->_z->_flags |= kFlagsActing;
}
DECLARE_INSTRUCTION_OPCODE(process) {
_vm->_activeZone2 = ctxt._inst->_z;
}
DECLARE_INSTRUCTION_OPCODE(move) {
// NOTE: I couldn't find evidence of scripts containing this instruction being used
InstructionPtr inst = ctxt._inst;
_vm->scheduleWalk(inst->_opA.getValue(), inst->_opB.getValue(), false);
ctxt._suspend = true;
}
DECLARE_INSTRUCTION_OPCODE(color) {
InstructionPtr inst = ctxt._inst;
_vm->_gfx->_palette.setEntry(inst->_opB.getValue(), inst->_colors[0], inst->_colors[1], inst->_colors[2]);
}
DECLARE_INSTRUCTION_OPCODE(mask) {
#if 0
Instruction *inst = *ctxt._inst;
_gfx->_bgLayers[0] = inst->_opA.getRValue();
_gfx->_bgLayers[1] = inst->_opB.getRValue();
_gfx->_bgLayers[2] = inst->_opC.getRValue();
#endif
}
DECLARE_INSTRUCTION_OPCODE(print) {
// NOTE: there is not a single occurrence of PRINT in the scripts
// I suppose it was used for debugging
warning("PRINT instruction is not implemented");
}
DECLARE_INSTRUCTION_OPCODE(text) {
InstructionPtr inst = ctxt._inst;
_vm->setupSubtitles(inst->_text, inst->_text2, inst->_y);
}
DECLARE_INSTRUCTION_OPCODE(ifeq) {
InstructionPtr inst = ctxt._inst;
bool cond = inst->_opA.getValue() == inst->_opB.getValue();
if (!cond) {
ctxt._ip = inst->_endif;
}
}
DECLARE_INSTRUCTION_OPCODE(iflt) {
InstructionPtr inst = ctxt._inst;
bool cond = inst->_opA.getValue() < inst->_opB.getValue();
if (!cond) {
ctxt._ip = inst->_endif;
}
}
DECLARE_INSTRUCTION_OPCODE(ifgt) {
InstructionPtr inst = ctxt._inst;
bool cond = inst->_opA.getValue() > inst->_opB.getValue();
if (!cond) {
ctxt._ip = inst->_endif;
}
}
DECLARE_INSTRUCTION_OPCODE(endif) {
// nothing to do here
}
DECLARE_INSTRUCTION_OPCODE(stop) {
ZonePtr z = ctxt._inst->_z;
if (ACTIONTYPE(z) == kZoneHear) {
warning("Parallaction_br::instOp_stop not yet implemented for HEAR zones");
// TODO: stop music or sound effects generated by a zone.
} else {
z->_flags &= ~kFlagsActing;
}
}
DECLARE_INSTRUCTION_OPCODE(loop) {
InstructionPtr inst = ctxt._inst;
ctxt._program->_loopCounter = inst->_opB.getValue();
ctxt._program->_loopStart = ctxt._ip;
}
DECLARE_INSTRUCTION_OPCODE(endloop) {
if (--ctxt._program->_loopCounter > 0) {
ctxt._ip = ctxt._program->_loopStart;
}
}
DECLARE_INSTRUCTION_OPCODE(show) {
ctxt._suspend = true;
}
DECLARE_INSTRUCTION_OPCODE(call) {
_vm->callFunction(ctxt._inst->_immediate, 0);
}
DECLARE_INSTRUCTION_OPCODE(endscript) {
if ((ctxt._anim->_flags & kFlagsLooping) == 0) {
ctxt._anim->_flags &= ~kFlagsActing;
_vm->_cmdExec->run(ctxt._anim->_commands, ctxt._anim);
ctxt._program->_status = kProgramDone;
}
ctxt._ip = 0;
ctxt._suspend = true;
}
CommandExec_br::CommandExec_br(Parallaction_br* vm) : CommandExec(vm), _vm(vm) {
CommandOpcodeSet *table = 0;
SetOpcodeTable(_opcodes);
COMMAND_OPCODE(invalid);
COMMAND_OPCODE(set);
COMMAND_OPCODE(clear);
COMMAND_OPCODE(start);
COMMAND_OPCODE(speak);
COMMAND_OPCODE(get);
COMMAND_OPCODE(location);
COMMAND_OPCODE(open);
COMMAND_OPCODE(close);
COMMAND_OPCODE(on);
COMMAND_OPCODE(off);
COMMAND_OPCODE(call);
COMMAND_OPCODE(toggle);
COMMAND_OPCODE(drop);
COMMAND_OPCODE(quit);
COMMAND_OPCODE(move);
COMMAND_OPCODE(stop);
COMMAND_OPCODE(character);
COMMAND_OPCODE(followme);
COMMAND_OPCODE(onmouse);
COMMAND_OPCODE(offmouse);
COMMAND_OPCODE(add);
COMMAND_OPCODE(leave);
COMMAND_OPCODE(inc);
COMMAND_OPCODE(dec);
COMMAND_OPCODE(ifeq);
COMMAND_OPCODE(iflt);
COMMAND_OPCODE(ifgt);
COMMAND_OPCODE(let);
COMMAND_OPCODE(music);
COMMAND_OPCODE(fix);
COMMAND_OPCODE(unfix);
COMMAND_OPCODE(zeta);
COMMAND_OPCODE(scroll);
COMMAND_OPCODE(swap);
COMMAND_OPCODE(give);
COMMAND_OPCODE(text);
COMMAND_OPCODE(part);
COMMAND_OPCODE(testsfx);
COMMAND_OPCODE(ret);
COMMAND_OPCODE(onsave);
COMMAND_OPCODE(offsave);
}
ProgramExec_br::ProgramExec_br(Parallaction_br *vm) : _vm(vm) {
_instructionNames = _instructionNamesRes_br;
ProgramOpcodeSet *table = 0;
SetOpcodeTable(_opcodes);
INSTRUCTION_OPCODE(invalid);
INSTRUCTION_OPCODE(on);
INSTRUCTION_OPCODE(off);
INSTRUCTION_OPCODE(set); // x
INSTRUCTION_OPCODE(set); // y
INSTRUCTION_OPCODE(set); // z
INSTRUCTION_OPCODE(set); // f
INSTRUCTION_OPCODE(loop);
INSTRUCTION_OPCODE(endloop);
INSTRUCTION_OPCODE(show); // show
INSTRUCTION_OPCODE(inc);
INSTRUCTION_OPCODE(inc); // dec
INSTRUCTION_OPCODE(set);
INSTRUCTION_OPCODE(put);
INSTRUCTION_OPCODE(call);
INSTRUCTION_OPCODE(wait);
INSTRUCTION_OPCODE(start);
INSTRUCTION_OPCODE(process);
INSTRUCTION_OPCODE(move);
INSTRUCTION_OPCODE(color);
INSTRUCTION_OPCODE(process); // sound
INSTRUCTION_OPCODE(mask);
INSTRUCTION_OPCODE(print);
INSTRUCTION_OPCODE(text);
INSTRUCTION_OPCODE(inc); // mul
INSTRUCTION_OPCODE(inc); // div
INSTRUCTION_OPCODE(ifeq);
INSTRUCTION_OPCODE(iflt);
INSTRUCTION_OPCODE(ifgt);
INSTRUCTION_OPCODE(endif);
INSTRUCTION_OPCODE(stop);
INSTRUCTION_OPCODE(endscript);
}
} // namespace Parallaction