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-rw-r--r--engines/mohawk/myst.cpp115
-rw-r--r--engines/mohawk/myst.h19
-rw-r--r--engines/mohawk/myst_scripts.cpp97
3 files changed, 106 insertions, 125 deletions
diff --git a/engines/mohawk/myst.cpp b/engines/mohawk/myst.cpp
index 7f38a8601c..d4ac513a24 100644
--- a/engines/mohawk/myst.cpp
+++ b/engines/mohawk/myst.cpp
@@ -560,36 +560,7 @@ void MohawkEngine_Myst::changeToCard(uint16 card, TransitionType transition) {
drawCardBackground();
// Handle sound
- int16 soundAction = 0;
- uint16 soundActionVolume = 0;
-
- if (_view.sound == kMystSoundActionConditional) {
- uint16 soundVarValue = _scriptParser->getVar(_view.soundVar);
- if (soundVarValue >= _view.soundList.size())
- warning("Conditional sound variable outside range");
- else {
- soundAction = _view.soundList[soundVarValue].action;
- soundActionVolume = _view.soundList[soundVarValue].volume;
- }
- } else {
- soundAction = _view.sound;
- soundActionVolume = _view.soundVolume;
- }
-
- if (soundAction == kMystSoundActionContinue)
- debug(2, "Continuing with current sound");
- else if (soundAction == kMystSoundActionChangeVolume) {
- debug(2, "Continuing with current sound, changing volume");
- _sound->changeBackgroundVolumeMyst(soundActionVolume);
- } else if (soundAction == kMystSoundActionStop) {
- debug(2, "Stopping sound");
- _sound->stopBackgroundMyst();
- } else if (soundAction > 0) {
- debug(2, "Playing new sound %d", soundAction);
- _sound->replaceBackgroundMyst(soundAction, soundActionVolume);
- } else {
- error("Unknown sound action %d", soundAction);
- }
+ applySoundBlock(_view.soundBlock);
if (_view.flags & kMystZipDestination)
_gameState->addZipDest(_curStack, card);
@@ -711,30 +682,31 @@ void MohawkEngine_Myst::loadCard() {
}
// The Sound Block (Reminiscent of Riven SLST resources)
- _view.sound = viewStream->readSint16LE();
- debugCN(kDebugView, "Sound Control: %d = ", _view.sound);
- if (_view.sound > 0) {
+ MystSoundBlock soundBlock;
+ soundBlock.sound = viewStream->readSint16LE();
+ debugCN(kDebugView, "Sound Control: %d = ", soundBlock.sound);
+ if (soundBlock.sound > 0) {
debugC(kDebugView, "Play new Sound, change volume");
- debugC(kDebugView, "\tSound: %d", _view.sound);
- _view.soundVolume = viewStream->readUint16LE();
- debugC(kDebugView, "\tVolume: %d", _view.soundVolume);
- } else if (_view.sound == kMystSoundActionContinue)
+ debugC(kDebugView, "\tSound: %d", soundBlock.sound);
+ soundBlock.soundVolume = viewStream->readUint16LE();
+ debugC(kDebugView, "\tVolume: %d", soundBlock.soundVolume);
+ } else if (soundBlock.sound == kMystSoundActionContinue)
debugC(kDebugView, "Continue current sound");
- else if (_view.sound == kMystSoundActionChangeVolume) {
+ else if (soundBlock.sound == kMystSoundActionChangeVolume) {
debugC(kDebugView, "Continue current sound, change volume");
- _view.soundVolume = viewStream->readUint16LE();
- debugC(kDebugView, "\tVolume: %d", _view.soundVolume);
- } else if (_view.sound == kMystSoundActionStop) {
+ soundBlock.soundVolume = viewStream->readUint16LE();
+ debugC(kDebugView, "\tVolume: %d", soundBlock.soundVolume);
+ } else if (soundBlock.sound == kMystSoundActionStop) {
debugC(kDebugView, "Stop sound");
- } else if (_view.sound == kMystSoundActionConditional) {
+ } else if (soundBlock.sound == kMystSoundActionConditional) {
debugC(kDebugView, "Conditional sound list");
- _view.soundVar = viewStream->readUint16LE();
- debugC(kDebugView, "\tVar: %d", _view.soundVar);
+ soundBlock.soundVar = viewStream->readUint16LE();
+ debugC(kDebugView, "\tVar: %d", soundBlock.soundVar);
uint16 soundCount = viewStream->readUint16LE();
debugC(kDebugView, "\tCount: %d", soundCount);
for (uint16 i = 0; i < soundCount; i++) {
- MystSoundItem sound;
+ MystSoundBlock::SoundItem sound;
sound.action = viewStream->readSint16LE();
debugC(kDebugView, "\t\tCondition %d: Action %d", i, sound.action);
@@ -743,13 +715,15 @@ void MohawkEngine_Myst::loadCard() {
debugC(kDebugView, "\t\tCondition %d: Volume %d", i, sound.volume);
}
- _view.soundList.push_back(sound);
+ soundBlock.soundList.push_back(sound);
}
} else {
debugC(kDebugView, "Unknown");
- warning("Unknown sound control value '%d' in card '%d'", _view.sound, _curCard);
+ warning("Unknown sound control value '%d' in card '%d'", soundBlock.sound, _curCard);
}
+ _view.soundBlock = soundBlock;
+
// Resources that scripts can call upon
uint16 scriptResCount = viewStream->readUint16LE();
debugC(kDebugView, "Script Resource Count: %d", scriptResCount);
@@ -831,12 +805,12 @@ void MohawkEngine_Myst::loadCard() {
}
// Precache Sound Block data
- if (_view.sound > 0)
- cachePreload(ID_MSND, _view.sound);
- else if (_view.sound == kMystSoundActionConditional) {
- uint16 value = _scriptParser->getVar(_view.soundVar);
- if (_view.soundList[value].action > 0) {
- cachePreload(ID_MSND, _view.soundList[value].action);
+ if (_view.soundBlock.sound > 0)
+ cachePreload(ID_MSND, _view.soundBlock.sound);
+ else if (_view.soundBlock.sound == kMystSoundActionConditional) {
+ uint16 value = _scriptParser->getVar(_view.soundBlock.soundVar);
+ if (_view.soundBlock.soundList[value].action > 0) {
+ cachePreload(ID_MSND, _view.soundBlock.soundList[value].action);
}
}
@@ -871,7 +845,7 @@ void MohawkEngine_Myst::loadCard() {
void MohawkEngine_Myst::unloadCard() {
_view.conditionalImages.clear();
- _view.soundList.clear();
+ _view.soundBlock.soundList.clear();
_view.scriptResources.clear();
}
@@ -1200,4 +1174,37 @@ void MohawkEngine_Myst::dropPage() {
checkCursorHints();
}
+void MohawkEngine_Myst::applySoundBlock(const MystSoundBlock &block) {
+ int16 soundAction = 0;
+ uint16 soundActionVolume = 0;
+
+ if (block.sound == kMystSoundActionConditional) {
+ uint16 soundVarValue = _scriptParser->getVar(block.soundVar);
+ if (soundVarValue >= block.soundList.size())
+ warning("Conditional sound variable outside range");
+ else {
+ soundAction = block.soundList[soundVarValue].action;
+ soundActionVolume = block.soundList[soundVarValue].volume;
+ }
+ } else {
+ soundAction = block.sound;
+ soundActionVolume = block.soundVolume;
+ }
+
+ if (soundAction == kMystSoundActionContinue)
+ debug(2, "Continuing with current sound");
+ else if (soundAction == kMystSoundActionChangeVolume) {
+ debug(2, "Continuing with current sound, changing volume");
+ _sound->changeBackgroundVolumeMyst(soundActionVolume);
+ } else if (soundAction == kMystSoundActionStop) {
+ debug(2, "Stopping sound");
+ _sound->stopBackgroundMyst();
+ } else if (soundAction > 0) {
+ debug(2, "Playing new sound %d", soundAction);
+ _sound->replaceBackgroundMyst(soundAction, soundActionVolume);
+ } else {
+ error("Unknown sound action %d", soundAction);
+ }
+}
+
} // End of namespace Mohawk
diff --git a/engines/mohawk/myst.h b/engines/mohawk/myst.h
index 37e0eafb98..59ec45c488 100644
--- a/engines/mohawk/myst.h
+++ b/engines/mohawk/myst.h
@@ -97,9 +97,16 @@ struct MystCondition {
Common::Array<uint16> values;
};
-struct MystSoundItem {
- int16 action;
- uint16 volume;
+struct MystSoundBlock {
+ struct SoundItem {
+ int16 action;
+ uint16 volume;
+ };
+
+ int16 sound;
+ uint16 soundVolume;
+ uint16 soundVar;
+ Common::Array<SoundItem> soundList;
};
// View Sound Action Type
@@ -124,10 +131,7 @@ struct MystView {
uint16 mainImage;
// Sound Data
- int16 sound;
- uint16 soundVolume;
- uint16 soundVar;
- Common::Array<MystSoundItem> soundList;
+ MystSoundBlock soundBlock;
// Script Resources
enum ScriptResourceType {
@@ -182,6 +186,7 @@ public:
void checkCursorHints();
MystArea *updateCurrentResource();
bool skippableWait(uint32 duration);
+ void applySoundBlock(const MystSoundBlock &block);
bool _tweaksEnabled;
bool _needsUpdate;
diff --git a/engines/mohawk/myst_scripts.cpp b/engines/mohawk/myst_scripts.cpp
index b2a2221ed2..74ff895839 100644
--- a/engines/mohawk/myst_scripts.cpp
+++ b/engines/mohawk/myst_scripts.cpp
@@ -673,82 +673,51 @@ void MystScriptParser::o_copyImageToBackBuffer(uint16 op, uint16 var, uint16 arg
_vm->_gfx->copyImageSectionToBackBuffer(imageId, srcRect, dstRect);
}
-// TODO: Implement common engine function for read and processing of sound blocks
-// for use by this opcode and VIEW sound block.
// TODO: Though the playSound and PlaySoundBlocking opcodes play sounds immediately,
// this opcode changes the main background sound playing..
// Current behavior here and with VIEW sound block is not right as demonstrated
// by Channelwood Card 3280 (Tank Valve) and water flow sound behavior in pipe
// on cards leading from shed...
void MystScriptParser::o_changeBackgroundSound(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
- int16 *soundList = nullptr;
- uint16 *soundListVolume = nullptr;
// Used on Stoneship Card 2080
// Used on Channelwood Card 3225 with argc = 8 i.e. Conditional Sound List
- if (argc == 1 || argc == 2 || argc == 8) {
- debugC(kDebugScript, "Opcode %d: Process Sound Block", op);
- uint16 decodeIdx = 0;
-
- int16 soundAction = argv[decodeIdx++];
- uint16 soundVolume = 65535;
- if (soundAction == kMystSoundActionChangeVolume || soundAction > 0) {
- soundVolume = argv[decodeIdx++];
- } else if (soundAction == kMystSoundActionConditional) {
- debugC(kDebugScript, "Conditional sound list");
- uint16 condVar = argv[decodeIdx++];
- uint16 condVarValue = getVar(condVar);
- uint16 condCount = argv[decodeIdx++];
-
- debugC(kDebugScript, "\tcondVar: %d = %d", condVar, condVarValue);
- debugC(kDebugScript, "\tcondCount: %d", condCount);
-
- soundList = new int16[condCount];
- soundListVolume = new uint16[condCount];
-
- if (condVarValue >= condCount)
- warning("Opcode %d: Conditional sound variable outside range", op);
- else {
- for (uint16 i = 0; i < condCount; i++) {
- soundList[i] = argv[decodeIdx++];
- debugC(kDebugScript, "\t\tCondition %d: Action %d", i, soundList[i]);
- if (soundList[i] == kMystSoundActionChangeVolume || soundList[i] > 0) {
- soundListVolume[i] = argv[decodeIdx++];
- } else
- soundListVolume[i] = 65535;
- debugC(kDebugScript, "\t\tCondition %d: Volume %d", i, soundListVolume[i]);
- }
-
- soundAction = soundList[condVarValue];
- soundVolume = soundListVolume[condVarValue];
- }
- }
+ debugC(kDebugScript, "Opcode %d: Process Sound Block", op);
+
+ uint16 decodeIdx = 0;
+
+ MystSoundBlock soundBlock;
+ soundBlock.sound = argv[decodeIdx++];
+ soundBlock.soundVolume = 65535;
+
+ if (soundBlock.sound == kMystSoundActionChangeVolume || soundBlock.sound > 0) {
+ soundBlock.soundVolume = argv[decodeIdx++];
+ } else if (soundBlock.sound == kMystSoundActionConditional) {
+ debugC(kDebugScript, "Conditional sound list");
+ soundBlock.soundVar = argv[decodeIdx++];
+
+ uint16 condCount = argv[decodeIdx++];
+ debugC(kDebugScript, "\tcondCount: %d", condCount);
+ for (uint16 i = 0; i < condCount; i++) {
+ MystSoundBlock::SoundItem item;
- if (soundAction == kMystSoundActionContinue)
- debugC(kDebugScript, "Continue current sound");
- else if (soundAction == kMystSoundActionChangeVolume) {
- debugC(kDebugScript, "Continue current sound, change volume");
- debugC(kDebugScript, "\tVolume: %d", soundVolume);
- _vm->_sound->changeBackgroundVolumeMyst(soundVolume);
- } else if (soundAction == kMystSoundActionStop) {
- debugC(kDebugScript, "Stop sound");
- _vm->_sound->stopBackgroundMyst();
- } else if (soundAction > 0) {
- debugC(kDebugScript, "Play new Sound, change volume");
- debugC(kDebugScript, "\tSound: %d", soundAction);
- debugC(kDebugScript, "\tVolume: %d", soundVolume);
- _vm->_sound->replaceBackgroundMyst(soundAction, soundVolume);
- } else {
- debugC(kDebugScript, "Unknown");
- warning("Unknown sound control value in opcode %d", op);
+ item.action = argv[decodeIdx++];
+ debugC(kDebugScript, "\t\tCondition %d: Action %d", i, item.action);
+
+ if (item.action == kMystSoundActionChangeVolume || item.action > 0) {
+ item.volume = argv[decodeIdx++];
+ } else
+ item.volume = 65535;
+ debugC(kDebugScript, "\t\tCondition %d: Volume %d", i, item.volume);
+
+ soundBlock.soundList.push_back(item);
}
- } else
- warning("Unknown arg count in opcode %d", op);
+ } else {
+ debugC(kDebugScript, "Unknown");
+ warning("Unknown sound control value in opcode %d", op);
+ }
- delete[] soundList;
- soundList = nullptr;
- delete[] soundListVolume;
- soundListVolume = nullptr;
+ _vm->applySoundBlock(soundBlock);
}
void MystScriptParser::o_soundPlaySwitch(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 10:39:23 +0000