diff options
Diffstat (limited to 'engines/mohawk/myst_scripts.cpp')
| -rw-r--r-- | engines/mohawk/myst_scripts.cpp | 85 |
1 files changed, 67 insertions, 18 deletions
diff --git a/engines/mohawk/myst_scripts.cpp b/engines/mohawk/myst_scripts.cpp index a4b493eab4..d9f1dfa4b6 100644 --- a/engines/mohawk/myst_scripts.cpp +++ b/engines/mohawk/myst_scripts.cpp @@ -33,6 +33,19 @@ namespace Mohawk { +MystScriptEntry::MystScriptEntry() { + type = kMystScriptNone; + var = 0; + argc = 0; + argv = 0; + u0 = 0; + u1 = 0; +} + +MystScriptEntry::~MystScriptEntry() { + delete[] argv; +} + const uint8 stack_map[8] = { kSeleniticStack, kStoneshipStack, @@ -78,12 +91,12 @@ void MystScriptParser::setupOpcodes() { OPCODE(2, altDest), OPCODE(3, takePage), OPCODE(4, opcode_4), - // TODO: Opcode 5 Not Present + // Opcode 5 Not Present OPCODE(6, opcode_6), OPCODE(7, opcode_7), OPCODE(8, opcode_8), OPCODE(9, opcode_9), - // TODO: Opcode 10 to 11 Not Present + // Opcode 10 to 11 Not Present OPCODE(12, altDest), OPCODE(13, altDest), OPCODE(14, opcode_14), @@ -97,7 +110,7 @@ void MystScriptParser::setupOpcodes() { OPCODE(22, opcode_22), OPCODE(23, opcode_23), OPCODE(24, playSound), - // TODO: Opcode 25 Not Present + // Opcode 25 Not Present OPCODE(26, opcode_26), OPCODE(27, playSoundBlocking), OPCODE(28, opcode_28), @@ -117,9 +130,9 @@ void MystScriptParser::setupOpcodes() { OPCODE(42, opcode_42), OPCODE(43, opcode_43), OPCODE(44, opcode_44), - // TODO: Opcode 45 Not Present + // Opcode 45 Not Present OPCODE(46, opcode_46), - // TODO: Opcodes 47 to 99 Not Present + // Opcodes 47 to 99 Not Present // "Stack-Specific" Opcodes OPCODE(100, opcode_100), @@ -156,18 +169,18 @@ void MystScriptParser::setupOpcodes() { OPCODE(131, opcode_131), OPCODE(132, opcode_132), OPCODE(133, opcode_133), - // TODO: Opcodes 134 to 146 Not Present + // Opcodes 134 to 146 Not Present OPCODE(147, opcode_147), - // TODO: Opcodes 148 to 163 Not Present + // Opcodes 148 to 163 Not Present OPCODE(164, opcode_164), - // TODO: Opcodes 165 to 168 Not Present + // Opcodes 165 to 168 Not Present OPCODE(169, opcode_169), - // TODO: Opcodes 170 to 181 Not Present + // Opcodes 170 to 181 Not Present OPCODE(182, opcode_182), OPCODE(183, opcode_183), OPCODE(184, opcode_184), OPCODE(185, opcode_185), - // TODO: Opcodes 186 to 195 Not Present + // Opcodes 186 to 195 Not Present OPCODE(196, opcode_196), // Demo only OPCODE(197, opcode_197), // Demo only OPCODE(198, opcode_198), @@ -197,7 +210,7 @@ void MystScriptParser::setupOpcodes() { OPCODE(220, opcode_220), OPCODE(221, opcode_221), OPCODE(222, opcode_222), - // TODO: Opcodes 223 to 297 Not Present + // Opcodes 223 to 297 Not Present OPCODE(298, opcode_298), // Demo only OPCODE(299, opcode_299), // Demo only @@ -212,9 +225,9 @@ void MystScriptParser::setupOpcodes() { OPCODE(307, opcode_307), OPCODE(308, opcode_308), OPCODE(309, opcode_309), - // TODO: Opcodes 310 to 311 Not Present + // Opcodes 310 to 311 Not Present OPCODE(312, opcode_312), - // TODO: Opcodes 313 and greater Not Present + // Opcodes 313 and greater Not Present OPCODE(0xFFFF, NOP) }; @@ -251,13 +264,14 @@ void MystScriptParser::runPersistentOpcodes() { opcode_212_run(); } -void MystScriptParser::runScript(uint16 scriptCount, MystScriptEntry *scripts, MystResource *invokingResource) { +void MystScriptParser::runScript(MystScript script, MystResource *invokingResource) { _invokingResource = invokingResource; - debugC(kDebugScript, "Script Count: %d", scriptCount); - for (uint16 i = 0; i < scriptCount; i++) { - debugC(kDebugScript, "\tOpcode %d: %d", i, scripts[i].opcode); - runOpcode(scripts[i].opcode, scripts[i].var, scripts[i].numValues, scripts[i].values); + debugC(kDebugScript, "Script Size: %d", script->size()); + for (uint16 i = 0; i < script->size(); i++) { + MystScriptEntry &entry = script->operator[](i); + debugC(kDebugScript, "\tOpcode %d: %d", i, entry.opcode); + runOpcode(entry.opcode, entry.var, entry.argc, entry.argv); } } @@ -284,6 +298,41 @@ const char *MystScriptParser::getOpcodeDesc(uint16 op) { return ""; } +MystScript MystScriptParser::readScript(Common::SeekableReadStream *stream, MystScriptType type) { + assert(stream); + assert(type != kMystScriptNone); + + MystScript script = MystScript(new Common::Array<MystScriptEntry>()); + + uint16 opcodeCount = stream->readUint16LE(); + script->resize(opcodeCount); + + for (uint16 i = 0; i < opcodeCount; i++) { + MystScriptEntry &entry = script->operator[](i); + entry.type = type; + + // u0 only exists in INIT and EXIT scripts + if (type != kMystScriptNormal) + entry.u0 = stream->readUint16LE(); + + entry.opcode = stream->readUint16LE(); + entry.var = stream->readUint16LE(); + entry.argc = stream->readUint16LE(); + + if (entry.argc > 0) { + entry.argv = new uint16[entry.argc]; + for (uint16 j = 0; j < entry.argc; j++) + entry.argv[j] = stream->readUint16LE(); + } + + // u1 exists only in EXIT scripts + if (type == kMystScriptExit) + entry.u1 = stream->readUint16LE(); + } + + return script; +} + // NOTE: Check to be used on Opcodes where var is thought // not to be used. This emits a warning if var is nonzero. // It is possible that the opcode does use var 0 in this case, |