mirror of
https://github.com/libretro/scummvm.git
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621 lines
20 KiB
C++
621 lines
20 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "mohawk/graphics.h"
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#include "mohawk/riven.h"
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#include "mohawk/riven_external.h"
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#include "mohawk/riven_scripts.h"
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#include "mohawk/sound.h"
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#include "mohawk/video/video.h"
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#include "common/stream.h"
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#include "graphics/cursorman.h"
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namespace Mohawk {
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RivenScript::RivenScript(MohawkEngine_Riven *vm, Common::SeekableReadStream *stream, uint16 scriptType)
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: _vm(vm), _stream(stream), _scriptType(scriptType) {
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setupOpcodes();
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}
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RivenScript::~RivenScript() {
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delete _stream;
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}
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RivenScriptList RivenScript::readScripts(MohawkEngine_Riven *vm, Common::SeekableReadStream *stream) {
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RivenScriptList scriptList;
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uint16 scriptCount = stream->readUint16BE();
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for (uint16 i = 0; i < scriptCount; i++) {
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uint16 scriptType = stream->readUint16BE();
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uint32 scriptSize = calculateScriptSize(stream);
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scriptList.push_back(Common::SharedPtr<RivenScript>(new RivenScript(vm, stream->readStream(scriptSize), scriptType)));
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}
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return scriptList;
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}
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uint32 RivenScript::calculateCommandSize(Common::SeekableReadStream* script) {
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uint16 command = script->readUint16BE();
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uint32 commandSize = 2;
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if (command == 8) {
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if (script->readUint16BE() != 2)
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warning ("if-then-else unknown value is not 2");
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script->readUint16BE(); // variable to check against
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uint16 logicBlockCount = script->readUint16BE(); // number of logic blocks
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commandSize += 6; // 2 + variable + logicBlocks
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for (uint16 i = 0; i < logicBlockCount; i++) {
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script->readUint16BE(); // Block variable
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uint16 logicBlockLength = script->readUint16BE();
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commandSize += 4;
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for (uint16 j = 0; j < logicBlockLength; j++)
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commandSize += calculateCommandSize(script);
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}
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} else {
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uint16 argCount = script->readUint16BE();
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commandSize += 2;
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for (uint16 i = 0; i < argCount; i++) {
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script->readUint16BE();
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commandSize += 2;
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}
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}
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return commandSize;
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}
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uint32 RivenScript::calculateScriptSize(Common::SeekableReadStream* script) {
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uint32 oldPos = script->pos();
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uint16 commandCount = script->readUint16BE();
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uint16 scriptSize = 2; // 2 for command count
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for (uint16 i = 0; i < commandCount; i++)
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scriptSize += calculateCommandSize(script);
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script->seek(oldPos);
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return scriptSize;
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}
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#define OPCODE(x) { &RivenScript::x, #x }
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void RivenScript::setupOpcodes() {
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static const RivenOpcode riven_opcodes[] = {
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// 0x00 (0 decimal)
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OPCODE(empty),
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OPCODE(drawBitmap),
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OPCODE(switchCard),
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OPCODE(playScriptSLST),
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// 0x04 (4 decimal)
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OPCODE(playSound),
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OPCODE(empty), // Empty
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OPCODE(empty), // Complex animation (not used)
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OPCODE(setVariable),
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// 0x08 (8 decimal)
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OPCODE(mohawkSwitch),
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OPCODE(enableHotspot),
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OPCODE(disableHotspot),
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OPCODE(empty), // Empty
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// 0x0C (12 decimal)
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OPCODE(clearSLST),
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OPCODE(changeCursor),
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OPCODE(delay),
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OPCODE(empty), // Empty
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// 0x10 (16 decimal)
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OPCODE(empty), // Empty
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OPCODE(runExternalCommand),
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OPCODE(transition),
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OPCODE(refreshCard),
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// 0x14 (20 decimal)
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OPCODE(disableScreenUpdate),
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OPCODE(enableScreenUpdate),
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OPCODE(empty), // Empty
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OPCODE(empty), // Empty
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// 0x18 (24 decimal)
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OPCODE(incrementVariable),
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OPCODE(empty), // Empty
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OPCODE(empty), // Empty
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OPCODE(changeStack),
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// 0x1C (28 decimal)
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OPCODE(disableMovie),
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OPCODE(disableAllMovies),
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OPCODE(empty), // Set movie rate (not used)
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OPCODE(enableMovie),
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// 0x20 (32 decimal)
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OPCODE(playMovie),
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OPCODE(playMovieBg),
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OPCODE(stopMovie),
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OPCODE(empty), // Start a water effect (not used)
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// 0x24 (36 decimal)
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OPCODE(unk_36), // Unknown
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OPCODE(fadeAmbientSounds),
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OPCODE(complexPlayMovie),
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OPCODE(activatePLST),
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// 0x28 (40 decimal)
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OPCODE(activateSLST),
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OPCODE(activateMLSTAndPlay),
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OPCODE(empty), // Empty
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OPCODE(activateBLST),
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// 0x2C (44 decimal)
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OPCODE(activateFLST),
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OPCODE(zipMode),
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OPCODE(activateMLST),
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OPCODE(activateSLSTWithVolume)
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};
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_opcodes = riven_opcodes;
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}
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static void printTabs(byte tabs) {
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for (byte i = 0; i < tabs; i++)
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printf ("\t");
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}
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void RivenScript::dumpScript(Common::StringList varNames, Common::StringList xNames, byte tabs) {
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if (_stream->pos() != 0)
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_stream->seek(0);
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printTabs(tabs); printf ("Stream Type %d:\n", _scriptType);
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dumpCommands(varNames, xNames, tabs + 1);
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}
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void RivenScript::dumpCommands(Common::StringList varNames, Common::StringList xNames, byte tabs) {
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uint16 commandCount = _stream->readUint16BE();
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for (uint16 i = 0; i < commandCount; i++) {
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uint16 command = _stream->readUint16BE();
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if (command == 8) { // "Switch" Statement
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if (_stream->readUint16BE() != 2)
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warning ("if-then-else unknown value is not 2");
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uint16 var = _stream->readUint16BE();
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printTabs(tabs); printf("switch (%s) {\n", varNames[var].c_str());
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uint16 logicBlockCount = _stream->readUint16BE();
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for (uint16 j = 0; j < logicBlockCount; j++) {
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uint16 varCheck = _stream->readUint16BE();
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printTabs(tabs + 1);
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if (varCheck == 0xFFFF)
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printf("default:\n");
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else
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printf("case %d:\n", varCheck);
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dumpCommands(varNames, xNames, tabs + 2);
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printTabs(tabs + 2); printf("break;\n");
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}
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printTabs(tabs); printf("}\n");
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} else if (command == 7) { // Use the variable name
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_stream->readUint16BE(); // Skip the opcode var count
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printTabs(tabs);
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uint16 var = _stream->readUint16BE();
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printf("%s = %d;\n", varNames[var].c_str(), _stream->readUint16BE());
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} else if (command == 17) { // Use the external command name
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_stream->readUint16BE(); // Skip the opcode var count
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printTabs(tabs);
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printf("%s(", xNames[_stream->readUint16BE()].c_str());
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uint16 varCount = _stream->readUint16BE();
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for (uint16 j = 0; j < varCount; j++) {
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printf("%d", _stream->readUint16BE());
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if (j != varCount - 1)
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printf(", ");
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}
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printf (");\n");
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} else if (command == 24) { // Use the variable name
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_stream->readUint16BE(); // Skip the opcode var count
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printTabs(tabs);
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uint16 var = _stream->readUint16BE();
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printf ("%s += %d;\n", varNames[var].c_str(), _stream->readUint16BE());
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} else {
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printTabs(tabs);
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uint16 varCount = _stream->readUint16BE();
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printf("%s(", _opcodes[command].desc);
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for (uint16 j = 0; j < varCount; j++) {
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printf("%d", _stream->readUint16BE());
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if (j != varCount - 1)
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printf(", ");
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}
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printf(");\n");
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}
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}
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}
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void RivenScript::runScript() {
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if (_stream->pos() != 0)
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_stream->seek(0);
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processCommands(true);
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}
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void RivenScript::processCommands(bool runCommands) {
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bool anotherBlockEvaluated = false;
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bool runBlock = true;
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uint16 commandCount = _stream->readUint16BE();
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for (uint16 j = 0; j < commandCount && !_vm->shouldQuit() && _stream->pos() < _stream->size(); j++) {
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uint16 command = _stream->readUint16BE();
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if (command == 8) {
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// Command 8 contains a conditional branch, similar to switch statements
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if (_stream->readUint16BE() != 2)
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warning("if-then-else unknown value is not 2");
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uint16 var = _stream->readUint16BE(); // variable to check against
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uint16 logicBlockCount = _stream->readUint16BE(); // number of logic blocks
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for (uint16 k = 0; k < logicBlockCount; k++) {
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uint16 checkValue = _stream->readUint16BE(); // variable for this logic block
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// Run the following block if the block's variable is equal to the variable to check against
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// Don't run it if the parent block is not executed
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// And don't run it if another block has already evaluated to true (needed for the default case)
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runBlock = (*_vm->getLocalVar(var) == checkValue || checkValue == 0xffff) && runCommands && !anotherBlockEvaluated;
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processCommands(runBlock);
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if (runBlock)
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anotherBlockEvaluated = true;
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}
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anotherBlockEvaluated = false;
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} else {
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uint16 argCount = _stream->readUint16BE();
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uint16 *argValues = new uint16[argCount];
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for (uint16 k = 0; k < argCount; k++)
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argValues[k] = _stream->readUint16BE();
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if (runCommands) {
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debug (4, "Running opcode %04x, argument count %d", command, argCount);
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(this->*(_opcodes[command].proc)) (command, argCount, argValues);
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}
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delete[] argValues;
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}
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}
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}
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////////////////////////////////
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// Opcodes
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////////////////////////////////
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// Command 1: draw tBMP resource (tbmp_id, left, top, right, bottom, u0, u1, u2, u3)
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void RivenScript::drawBitmap(uint16 op, uint16 argc, uint16 *argv) {
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if (argc < 5) {
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// Copy the image to the whole screen, ignoring the rest of the parameters
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_vm->_gfx->copyImageToScreen(argv[0], 0, 0, 608, 392);
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} else {
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// Copy the image to a certain part of the screen
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_vm->_gfx->copyImageToScreen(argv[0], argv[1], argv[2], argv[3], argv[4]);
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}
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// Now, update the screen
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_vm->_gfx->updateScreen();
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}
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// Command 2: go to card (card id)
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void RivenScript::switchCard(uint16 op, uint16 argc, uint16 *argv) {
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_vm->changeToCard(argv[0]);
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}
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// Command 3: play an SLST from the script
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void RivenScript::playScriptSLST(uint16 op, uint16 argc, uint16 *argv) {
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SLSTRecord slstRecord;
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int offset = 0, j = 0;
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slstRecord.index = 0; // not set by the scripts, so we set it to 0
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slstRecord.sound_count = argv[0];
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slstRecord.sound_ids = new uint16[slstRecord.sound_count];
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offset = slstRecord.sound_count;
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for (j = 0; j < slstRecord.sound_count; j++)
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slstRecord.sound_ids[j] = argv[offset++];
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slstRecord.fade_flags = argv[offset++];
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slstRecord.loop = argv[offset++];
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slstRecord.global_volume = argv[offset++];
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slstRecord.u0 = argv[offset++];
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slstRecord.u1 = argv[offset++];
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slstRecord.volumes = new uint16[slstRecord.sound_count];
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slstRecord.balances = new int16[slstRecord.sound_count];
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slstRecord.u2 = new uint16[slstRecord.sound_count];
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for (j = 0; j < slstRecord.sound_count; j++)
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slstRecord.volumes[j] = argv[offset++];
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for (j = 0; j < slstRecord.sound_count; j++)
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slstRecord.balances[j] = argv[offset++]; // negative = left, 0 = center, positive = right
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for (j = 0; j < slstRecord.sound_count; j++)
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slstRecord.u2[j] = argv[offset++]; // Unknown
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// Play the requested sound list
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_vm->_sound->playSLST(slstRecord);
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_vm->_activatedSLST = true;
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}
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// Command 4: play local tWAV resource (twav_id, volume, u1)
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void RivenScript::playSound(uint16 op, uint16 argc, uint16 *argv) {
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_vm->_sound->playSound(argv[0], false);
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}
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// Command 7: set variable value (variable, value)
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void RivenScript::setVariable(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Setting variable %d to %d", argv[0], argv[1]);
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*_vm->getLocalVar(argv[0]) = argv[1];
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}
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// Command 8: conditional branch
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void RivenScript::mohawkSwitch(uint16 op, uint16 argc, uint16 *argv) {
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// dummy function, this opcode does logic checking in processCommands()
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}
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// Command 9: enable hotspot (blst_id)
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void RivenScript::enableHotspot(uint16 op, uint16 argc, uint16 *argv) {
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for (uint16 i = 0; i < _vm->getHotspotCount(); i++) {
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if (_vm->_hotspots[i].blstID == argv[0]) {
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debug(2, "Enabling hotspot with BLST ID %d", argv[0]);
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_vm->_hotspots[i].enabled = true;
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}
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}
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}
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// Command 10: disable hotspot (blst_id)
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void RivenScript::disableHotspot(uint16 op, uint16 argc, uint16 *argv) {
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for (uint16 i = 0; i < _vm->getHotspotCount(); i++) {
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if (_vm->_hotspots[i].blstID == argv[0]) {
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debug(2, "Disabling hotspot with BLST ID %d", argv[0]);
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_vm->_hotspots[i].enabled = false;
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}
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}
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}
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// Command 12: clear slst records (flags)
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void RivenScript::clearSLST(uint16 op, uint16 argc, uint16 *argv) {
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warning ("STUB: clearSLST: Fade Out = %s, Fade In = %s", ((argv[0] & 1) != 0) ? "Yes" : "No", ((argv[0] & 2) != 0) ? "Yes" : "No");
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//_vm->_sound->clearAllSLST();
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}
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// Command 13: set mouse cursor (cursor_id)
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void RivenScript::changeCursor(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Change to cursor %d", argv[0]);
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_vm->_gfx->changeCursor(argv[0]);
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}
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// Command 14: pause script execution (delay in ms, u1)
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void RivenScript::delay(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Delay %dms", argv[0]);
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if (argv[0] > 0)
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_vm->_system->delayMillis(argv[0]);
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}
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// Command 17: call external command
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void RivenScript::runExternalCommand(uint16 op, uint16 argc, uint16 *argv) {
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_vm->_externalScriptHandler->runCommand(argc, argv);
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}
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// Command 18: transition
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// Note that this opcode has 1 or 5 parameters, depending on parameter 0
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// Parameter 0: transition type
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// Parameters 1-4: transition rectangle
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void RivenScript::transition(uint16 op, uint16 argc, uint16 *argv) {
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if (argc == 1) {
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_vm->_gfx->scheduleTransition(argv[0]);
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} else {
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_vm->_gfx->scheduleTransition(argv[0], Common::Rect(argv[1], argv[2], argv[3], argv[4]));
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}
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}
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// Command 19: reload card
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void RivenScript::refreshCard(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Reloading card");
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_vm->changeToCard();
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}
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// Command 20: disable screen update
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void RivenScript::disableScreenUpdate(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Screen update disabled");
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_vm->_gfx->_updatesEnabled = false;
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}
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// Command 21: enable screen update
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void RivenScript::enableScreenUpdate(uint16 op, uint16 argc, uint16 *argv) {
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debug(2, "Screen update enabled");
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_vm->_gfx->_updatesEnabled = true;
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_vm->_gfx->updateScreen();
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}
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// Command 24: increment variable (variable, value)
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void RivenScript::incrementVariable(uint16 op, uint16 argc, uint16 *argv) {
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uint32 *localVar = _vm->getLocalVar(argv[0]);
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*localVar += argv[1];
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debug (2, "Incrementing variable %d by %d, variable now is equal to %d", argv[0], argv[1], *localVar);
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}
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// Command 27: go to stack (stack_name code_hi code_lo)
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void RivenScript::changeStack(uint16 op, uint16 argc, uint16 *argv) {
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Common::String stackName = _vm->getName(StackNames, argv[0]);
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int8 index = -1;
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for (byte i = 0; i < 8; i++)
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if (!scumm_stricmp(_vm->getStackName(i).c_str(), stackName.c_str())) {
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index = i;
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break;
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}
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if (index == -1)
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error ("\'%s\' is not a stack name!", stackName.c_str());
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_vm->changeToStack(index);
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uint32 rmapCode = (argv[1] << 16) + argv[2];
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uint16 cardID = _vm->matchRMAPToCard(rmapCode);
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_vm->changeToCard(cardID);
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}
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// Command 28: disable a movie
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void RivenScript::disableMovie(uint16 op, uint16 argc, uint16 *argv) {
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_vm->_video->disableMovie(argv[0]);
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}
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// Command 29: disable all movies
|
|
void RivenScript::disableAllMovies(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->disableAllMovies();
|
|
}
|
|
|
|
// Command 31: enable a movie
|
|
void RivenScript::enableMovie(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->enableMovie(argv[0]);
|
|
}
|
|
|
|
// Command 32: play foreground movie - blocking (movie_id)
|
|
void RivenScript::playMovie(uint16 op, uint16 argc, uint16 *argv) {
|
|
CursorMan.showMouse(false); // Hide the cursor before playing the video
|
|
_vm->_video->enableMovie(argv[0]);
|
|
_vm->_video->playMovieBlocking(argv[0]);
|
|
CursorMan.showMouse(true); // Show the cursor again when we're done ;)
|
|
}
|
|
|
|
// Command 33: play background movie - nonblocking (movie_id)
|
|
void RivenScript::playMovieBg(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->enableMovie(argv[0]);
|
|
_vm->_video->playMovie(argv[0]);
|
|
}
|
|
|
|
// Command 34: stop a movie
|
|
void RivenScript::stopMovie(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->disableMovie(argv[0]);
|
|
_vm->_video->stopMovie(argv[0]);
|
|
}
|
|
|
|
// Command 36: unknown
|
|
void RivenScript::unk_36(uint16 op, uint16 argc, uint16 *argv) {
|
|
debug(0, "unk_36: Ignoring");
|
|
}
|
|
|
|
// Command 37: fade ambient sounds
|
|
void RivenScript::fadeAmbientSounds(uint16 op, uint16 argc, uint16 *argv) {
|
|
warning("STUB: fadeAmbientSounds()");
|
|
}
|
|
|
|
// Command 38: Play a movie with extra parameters (movie id, delay high, delay low, record type, record id)
|
|
void RivenScript::complexPlayMovie(uint16 op, uint16 argc, uint16 *argv) {
|
|
warning("STUB: complexPlayMovie");
|
|
printf ("\tMovie ID = %d\n", argv[0]);
|
|
printf ("\tDelay = %d\n", (argv[1] << 16) + argv[2]);
|
|
if (argv[3] == 0) {
|
|
printf ("\tDraw PLST %d\n", argv[4]);
|
|
} else if (argv[3] == 40) {
|
|
printf ("\tPlay SLST %d\n", argv[4]);
|
|
} else {
|
|
error ("Unknown complexPlayMovie record type %d", argv[3]);
|
|
}
|
|
}
|
|
|
|
// Command 39: activate PLST record (card picture lists)
|
|
void RivenScript::activatePLST(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_gfx->drawPLST(argv[0]);
|
|
|
|
// An update is automatically sent here as long as it's not a load or update script and updates are enabled.
|
|
if (_scriptType != kCardLoadScript && _scriptType != kCardUpdateScript)
|
|
_vm->_gfx->updateScreen();
|
|
}
|
|
|
|
// Command 40: activate SLST record (card ambient sound lists)
|
|
void RivenScript::activateSLST(uint16 op, uint16 argc, uint16 *argv) {
|
|
// WORKAROUND: Disable the SLST that is played during Riven's intro.
|
|
// Riven X does this too (spoke this over with Jeff)
|
|
if (_vm->getCurStack() == tspit && _vm->getCurCard() == 155 && argv[0] == 2)
|
|
return;
|
|
|
|
_vm->_sound->playSLST(argv[0], _vm->getCurCard());
|
|
_vm->_activatedSLST = true;
|
|
}
|
|
|
|
// Command 41: activate MLST record and play
|
|
void RivenScript::activateMLSTAndPlay(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->enableMovie(argv[0] - 1);
|
|
_vm->_video->activateMLST(argv[0], _vm->getCurCard());
|
|
// TODO: Play movie (blocking?)
|
|
}
|
|
|
|
// Command 43: activate BLST record (card hotspot enabling lists)
|
|
void RivenScript::activateBLST(uint16 op, uint16 argc, uint16 *argv) {
|
|
Common::SeekableReadStream* blst = _vm->getRawData(ID_BLST, _vm->getCurCard());
|
|
uint16 recordCount = blst->readUint16BE();
|
|
|
|
for (uint16 i = 0; i < recordCount; i++) {
|
|
uint16 index = blst->readUint16BE(); // record index
|
|
uint16 enabled = blst->readUint16BE();
|
|
uint16 hotspotID = blst->readUint16BE();
|
|
|
|
if (argv[0] == index)
|
|
for (uint16 j = 0; j < _vm->getHotspotCount(); j++)
|
|
if (_vm->_hotspots[j].blstID == hotspotID)
|
|
_vm->_hotspots[j].enabled = (enabled == 1);
|
|
}
|
|
|
|
delete blst;
|
|
}
|
|
|
|
// Command 44: activate FLST record (information on which SFXE resource this card should use)
|
|
void RivenScript::activateFLST(uint16 op, uint16 argc, uint16 *argv) {
|
|
Common::SeekableReadStream* flst = _vm->getRawData(ID_FLST, _vm->getCurCard());
|
|
uint16 recordCount = flst->readUint16BE();
|
|
|
|
for (uint16 i = 0; i < recordCount; i++) {
|
|
uint16 index = flst->readUint16BE();
|
|
uint16 sfxeID = flst->readUint16BE();
|
|
if(flst->readUint16BE() != 0)
|
|
warning("FLST u0 non-zero");
|
|
|
|
if (index == argv[0]) {
|
|
_vm->_gfx->scheduleWaterEffect(sfxeID);
|
|
break;
|
|
}
|
|
}
|
|
|
|
delete flst;
|
|
}
|
|
|
|
// Command 45: do zip mode
|
|
void RivenScript::zipMode(uint16 op, uint16 argc, uint16 *argv) {
|
|
// Check the ZIPS records to see if we have a match to the hotspot name
|
|
Common::String hotspotName = _vm->getHotspotName(_vm->getCurHotspot());
|
|
|
|
for (uint16 i = 0; i < _vm->_zipModeData.size(); i++)
|
|
if (_vm->_zipModeData[i].name == hotspotName) {
|
|
_vm->changeToCard(_vm->_zipModeData[i].id);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Command 46: activate MLST record (movie lists)
|
|
void RivenScript::activateMLST(uint16 op, uint16 argc, uint16 *argv) {
|
|
_vm->_video->activateMLST(argv[0], _vm->getCurCard());
|
|
}
|
|
|
|
// Command 47: activate SLST record with a volume argument
|
|
void RivenScript::activateSLSTWithVolume(uint16 op, uint16 argc, uint16 *argv) {
|
|
warning("STUB: activateSLSTWithVolume()");
|
|
}
|
|
|
|
} // End of namespace Mohawk
|