aboutsummaryrefslogtreecommitdiff
path: root/engines/mohawk/myst_scripts.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/mohawk/myst_scripts.cpp')
-rw-r--r--engines/mohawk/myst_scripts.cpp135
1 files changed, 35 insertions, 100 deletions
diff --git a/engines/mohawk/myst_scripts.cpp b/engines/mohawk/myst_scripts.cpp
index 15d74a2253..596180ddb2 100644
--- a/engines/mohawk/myst_scripts.cpp
+++ b/engines/mohawk/myst_scripts.cpp
@@ -29,8 +29,8 @@
#include "mohawk/video.h"
#include "common/system.h"
+#include "common/memstream.h"
#include "common/textconsole.h"
-#include "gui/message.h"
namespace Mohawk {
@@ -38,7 +38,7 @@ MystScriptEntry::MystScriptEntry() {
type = kMystScriptNone;
var = 0;
argc = 0;
- argv = 0;
+ argv = nullptr;
resourceId = 0;
u1 = 0;
}
@@ -81,7 +81,7 @@ MystScriptParser::MystScriptParser(MohawkEngine_Myst *vm) :
_vm(vm),
_globals(vm->_gameState->_globals) {
setupCommonOpcodes();
- _invokingResource = NULL;
+ _invokingResource = nullptr;
_savedCardId = 0;
_savedCursorId = 0;
_tempVar = 0;
@@ -154,7 +154,7 @@ void MystScriptParser::setupCommonOpcodes() {
#undef OPCODE
-void MystScriptParser::runScript(MystScript script, MystResource *invokingResource) {
+void MystScriptParser::runScript(MystScript script, MystArea *invokingResource) {
debugC(kDebugScript, "Script Size: %d", script->size());
// Scripted drawing takes more time to simulate older hardware
@@ -260,15 +260,6 @@ bool MystScriptParser::setVarValue(uint16 var, uint16 value) {
return false;
}
-// 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,
-// but this will catch the majority of missed cases.
-void MystScriptParser::varUnusedCheck(uint16 op, uint16 var) {
- if (var != 0)
- warning("Opcode %d: Unused Var %d", op, var);
-}
-
void MystScriptParser::animatedUpdate(uint16 argc, uint16 *argv, uint16 delay) {
uint16 argsRead = 0;
@@ -331,7 +322,7 @@ void MystScriptParser::o_changeCardSwitch4(uint16 op, uint16 var, uint16 argc, u
if (value)
_vm->changeToCard(argv[value -1 ], kTransitionDissolve);
- else if (_invokingResource != NULL)
+ else if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionDissolve);
else
warning("Missing invokingResource in altDest call");
@@ -344,7 +335,7 @@ void MystScriptParser::o_changeCardSwitchLtR(uint16 op, uint16 var, uint16 argc,
if (value)
_vm->changeToCard(argv[value -1 ], kTransitionLeftToRight);
- else if (_invokingResource != NULL)
+ else if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionLeftToRight);
else
warning("Missing invokingResource in altDest call");
@@ -357,7 +348,7 @@ void MystScriptParser::o_changeCardSwitchRtL(uint16 op, uint16 var, uint16 argc,
if (value)
_vm->changeToCard(argv[value -1 ], kTransitionRightToLeft);
- else if (_invokingResource != NULL)
+ else if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionRightToLeft);
else
warning("Missing invokingResource in altDest call");
@@ -398,7 +389,7 @@ void MystScriptParser::o_redrawCard(uint16 op, uint16 var, uint16 argc, uint16 *
void MystScriptParser::o_goToDest(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Change To Dest of Invoking Resource", op);
- if (_invokingResource != NULL)
+ if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionCopy);
else
warning("Opcode %d: Missing invokingResource", op);
@@ -407,7 +398,7 @@ void MystScriptParser::o_goToDest(uint16 op, uint16 var, uint16 argc, uint16 *ar
void MystScriptParser::o_goToDestForward(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Change To Dest of Invoking Resource", op);
- if (_invokingResource != NULL)
+ if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionDissolve);
else
warning("Opcode %d: Missing invokingResource", op);
@@ -416,7 +407,7 @@ void MystScriptParser::o_goToDestForward(uint16 op, uint16 var, uint16 argc, uin
void MystScriptParser::o_goToDestLeft(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Change To Dest of Invoking Resource", op);
- if (_invokingResource != NULL)
+ if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionPartToRight);
else
warning("Opcode %d: Missing invokingResource", op);
@@ -425,7 +416,7 @@ void MystScriptParser::o_goToDestLeft(uint16 op, uint16 var, uint16 argc, uint16
void MystScriptParser::o_goToDestRight(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Change To Dest of Invoking Resource", op);
- if (_invokingResource != NULL)
+ if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionPartToLeft);
else
warning("Opcode %d: Missing invokingResource", op);
@@ -434,7 +425,7 @@ void MystScriptParser::o_goToDestRight(uint16 op, uint16 var, uint16 argc, uint1
void MystScriptParser::o_goToDestUp(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Change To Dest of Invoking Resource", op);
- if (_invokingResource != NULL)
+ if (_invokingResource != nullptr)
_vm->changeToCard(_invokingResource->getDest(), kTransitionTopToBottom);
else
warning("Opcode %d: Missing invokingResource", op);
@@ -442,7 +433,10 @@ void MystScriptParser::o_goToDestUp(uint16 op, uint16 var, uint16 argc, uint16 *
void MystScriptParser::o_triggerMovie(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
debugC(kDebugScript, "Opcode %d: Trigger Type 6 Resource Movie..", op);
- // TODO: If movie has sound, pause background music
+ // The original has code to pause the background music before playing the movie,
+ // if the movie has a sound track, as well as code to resume it afterwards. But since
+ // the movie has not yet been loaded at this point, it is impossible to know
+ // if the movie actually has a sound track. The code is never executed.
int16 direction = 1;
if (argc == 1)
@@ -451,11 +445,9 @@ void MystScriptParser::o_triggerMovie(uint16 op, uint16 var, uint16 argc, uint16
debugC(kDebugScript, "\tDirection: %d", direction);
// Trigger resource 6 movie overriding play direction
- MystResourceType6 *resource = static_cast<MystResourceType6 *>(_invokingResource);
+ MystAreaVideo *resource = getInvokingResource<MystAreaVideo>();
resource->setDirection(direction);
resource->playMovie();
-
- // TODO: If movie has sound, resume background music
}
void MystScriptParser::o_toggleVarNoRedraw(uint16 op, uint16 var, uint16 argc, uint16 *argv) {
@@ -468,7 +460,7 @@ void MystScriptParser::o_drawAreaState(uint16 op, uint16 var, uint16 argc, uint1
debugC(kDebugScript, "Opcode %d: drawAreaState, state: %d", op, argv[0]);
debugC(kDebugScript, "\tVar: %d", var);
- MystResourceType8 *parent = static_cast<MystResourceType8 *>(_invokingResource->_parent);
+ MystAreaImageSwitch *parent = static_cast<MystAreaImageSwitch *>(getInvokingResource<MystArea>()->_parent);
parent->drawConditionalDataToScreen(argv[0]);
}
@@ -517,6 +509,11 @@ void MystScriptParser::o_changeCardPop(uint16 op, uint16 var, uint16 argc, uint1
debugC(kDebugScript, "Opcode %d: Return To Stored Card Id", op);
debugC(kDebugScript, "\tCardId: %d", _savedCardId);
+ if (_savedCardId == 0) {
+ warning("No pushed card to go back to");
+ return;
+ }
+
TransitionType transition = static_cast<TransitionType>(argv[0]);
_vm->changeToCard(_savedCardId, transition);
@@ -531,7 +528,7 @@ void MystScriptParser::o_enableAreas(uint16 op, uint16 var, uint16 argc, uint16
for (uint16 i = 0; i < count; i++) {
debugC(kDebugScript, "Enable hotspot index %d", argv[i + 1]);
- MystResource *resource = 0;
+ MystArea *resource = nullptr;
if (argv[i + 1] == 0xFFFF)
resource = _invokingResource;
else
@@ -556,7 +553,7 @@ void MystScriptParser::o_disableAreas(uint16 op, uint16 var, uint16 argc, uint16
for (uint16 i = 0; i < count; i++) {
debugC(kDebugScript, "Disable hotspot index %d", argv[i + 1]);
- MystResource *resource = 0;
+ MystArea *resource = nullptr;
if (argv[i + 1] == 0xFFFF)
resource = _invokingResource;
else
@@ -587,7 +584,7 @@ void MystScriptParser::o_toggleAreasActivation(uint16 op, uint16 var, uint16 arg
for (uint16 i = 0; i < count; i++) {
debugC(kDebugScript, "Enable/Disable hotspot index %d", argv[i + 1]);
- MystResource *resource = 0;
+ MystArea *resource = nullptr;
if (argv[i + 1] == 0xFFFF)
resource = _invokingResource;
else
@@ -682,82 +679,20 @@ 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 = NULL;
- uint16 *soundListVolume = NULL;
-
// 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 (soundAction == kMystSoundActionChangeVolume || soundAction > 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);
- 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);
- }
- } else
- warning("Unknown arg count in opcode %d", op);
+ Common::MemoryWriteStreamDynamic writeStream = Common::MemoryWriteStreamDynamic(DisposeAfterUse::YES);
+ for (uint i = 0; i < argc; i++) {
+ writeStream.writeUint16LE(argv[i]);
+ }
+
+ Common::MemoryReadStream readStream = Common::MemoryReadStream(writeStream.getData(), writeStream.size());
- delete[] soundList;
- soundList = NULL;
- delete[] soundListVolume;
- soundListVolume = NULL;
+ MystSoundBlock soundBlock = _vm->readSoundBlock(&readStream);
+ _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 2025-04-09 21:02:57 +0000