ILLUSIONS: DUCKMAN: Implement special opcodes 160017, 16001B, 160020 and 160021

4 files changed, 227 insertions, 2 deletions

diff --git a/engines/illusions/duckman/duckman_specialcode.cpp b/engines/illusions/duckman/duckman_specialcode.cpp
index b0b859c30e..f0c3698520 100644
--- a/engines/illusions/duckman/duckman_specialcode.cpp
+++ b/engines/illusions/duckman/duckman_specialcode.cpp
@@ -27,8 +27,14 @@
 #include "illusions/duckman/propertytimers.h"
 #include "illusions/duckman/scriptopcodes_duckman.h"
 #include "illusions/actor.h"
+#include "illusions/dictionary.h"
+#include "illusions/resources/fontresource.h"
 #include "illusions/resources/scriptresource.h"
+#include "illusions/sound.h"
 #include "illusions/specialcode.h"
+#include "illusions/textdrawer.h"
+#include "illusions/time.h"
+#include "illusions/updatefunctions.h"
 
 #include "engines/util.h"
 
@@ -43,6 +49,8 @@ DuckmanSpecialCode::DuckmanSpecialCode(IllusionsEngine_Duckman *vm)
 	_inventory = new DuckmanInventory(_vm);
 	_wasCursorHoldingElvisPoster = false;
 	_counter = 0;
+	_savedTempMasterSfxVolume = 16;
+	_lastRandomSoundIndex = 6;
 }
 
 DuckmanSpecialCode::~DuckmanSpecialCode() {
@@ -71,11 +79,15 @@ void DuckmanSpecialCode::init() {
 	SPECIAL(0x00160012, spcStopScreenShaker);
 	SPECIAL(0x00160013, spcIncrCounter);
 	SPECIAL(0x00160014, spcUpdateObject272Sequence);
+	SPECIAL(0x00160017, spcPlayRandomSound);
 	SPECIAL(0x0016001A, spcHoldGlowingElvisPoster);
+	SPECIAL(0x0016001B, spcStartCredits);
 	SPECIAL(0x0016001C, spcSetCursorInventoryMode);
 	SPECIAL(0x0016001D, spcCenterCurrentScreenText);
 	SPECIAL(0x0016001E, spcSetDefaultTextCoords);
 	SPECIAL(0x0016001F, spcSetTextDuration);
+	SPECIAL(0x00160020, spcSetTempMasterSfxVolume);
+	SPECIAL(0x00160021, spcRestoreTempMasterSfxVolume);
 }
 
 #undef SPECIAL
@@ -168,7 +180,6 @@ void DuckmanSpecialCode::spcInitTeleporterPosition(OpCall &opCall) {
 }
 
 void DuckmanSpecialCode::spcUpdateTeleporterPosition(OpCall &opCall) {
-	// TODO
 	ARG_BYTE(direction);
 	int16 deltaX = 0;
 	int16 deltaY = 0;
@@ -286,6 +297,19 @@ void DuckmanSpecialCode::spcUpdateObject272Sequence(OpCall &opCall) {
 	control->startSequenceActor(sequenceId, 2, opCall._threadId);
 }
 
+void DuckmanSpecialCode::spcPlayRandomSound(OpCall &opCall) {
+	static const uint32 kRandomSoundIds[] = {
+		0x00090084, 0x00090085, 0x00090086, 0x00090087, 0x00090088, 0x00090089
+	};
+	int16 soundIndex;
+	do {
+		soundIndex = _vm->getRandom(ARRAYSIZE(kRandomSoundIds));
+	} while (soundIndex == _lastRandomSoundIndex);
+	_vm->_soundMan->playSound(kRandomSoundIds[soundIndex], 255, 0);
+	_lastRandomSoundIndex = soundIndex;
+	_vm->notifyThreadId(opCall._threadId);
+}
+
 void DuckmanSpecialCode::spcHoldGlowingElvisPoster(OpCall &opCall) {
 	const uint32 kPosterObjectId = 0x40072;
 	const uint32 kPosterSequenceId = 0x60034;
@@ -312,6 +336,13 @@ void DuckmanSpecialCode::spcHoldGlowingElvisPoster(OpCall &opCall) {
 	_vm->notifyThreadId(opCall._threadId);
 }
 
+void DuckmanSpecialCode::spcStartCredits(OpCall &opCall) {
+	ARG_BYTE(mode);
+	if (mode == 0)
+		startCredits();
+	_vm->notifyThreadId(opCall._threadId);
+}
+
 void DuckmanSpecialCode::spcSetCursorInventoryMode(OpCall &opCall) {
 	ARG_BYTE(mode);
 	ARG_BYTE(value);
@@ -339,6 +370,19 @@ void DuckmanSpecialCode::spcSetTextDuration(OpCall &opCall) {
 	_vm->notifyThreadId(opCall._threadId);
 }
 
+void DuckmanSpecialCode::spcSetTempMasterSfxVolume(OpCall &opCall) {
+	ARG_INT16(sfxVolume);
+	// TODO _savedTempMasterSfxVolume = _vm->getMasterSfxVolume();
+	// TODO _vm->setMasterSfxVolume(sfxVolume);
+	_vm->notifyThreadId(opCall._threadId);
+}
+
+void DuckmanSpecialCode::spcRestoreTempMasterSfxVolume(OpCall &opCall) {
+	// TODO _vm->setMasterSfxVolume(_savedTempMasterSfxVolume);
+	_savedTempMasterSfxVolume = 16;
+	_vm->notifyThreadId(opCall._threadId);
+}
+
 void DuckmanSpecialCode::updateTeleporterProperties() {
 	_vm->_scriptResource->_properties.set(0x000E0074, _teleporterPosition.x == 4 && _teleporterPosition.y == 2);
 	_vm->_scriptResource->_properties.set(0x000E0075, _teleporterPosition.x == 4 && _teleporterPosition.y == 3);
@@ -347,4 +391,155 @@ void DuckmanSpecialCode::updateTeleporterProperties() {
 	_vm->_scriptResource->_properties.set(0x000E0078, _teleporterPosition.x == 1 && _teleporterPosition.y == 1);	
 }
 
+void DuckmanSpecialCode::startCredits() {
+	static const struct { uint32 objectId; int scrollPosY; } kCreditsItems[] = {
+		{0x40136,   0}, {0x40137,  16}, {0x40138,  32}, {0x40139,  48},
+		{0x4013A,  64}, {0x4013B,  80}, {0x4013C,  96}, {0x4013D, 112}
+	};
+	_creditsCurrText = (char*)_vm->_resSys->getResource(0x190052)->_data;
+	_creditsItems.clear();
+	for (uint i = 0; i < ARRAYSIZE(kCreditsItems);  ++i) {
+		CreditsItem creditsItem;
+		creditsItem.objectId = kCreditsItems[i].objectId;
+		creditsItem.scrollPosY = kCreditsItems[i].scrollPosY;
+		creditsItem.scrollPosIndex = 0;
+		creditsItem.active = false;
+		_creditsItems.push_back(creditsItem);
+	}
+	uint32 currSceneId = _vm->getCurrentScene();
+	_vm->_updateFunctions->add(0, currSceneId, new Common::Functor1Mem<uint, int, DuckmanSpecialCode>(this, &DuckmanSpecialCode::updateCredits));
+	_creditsNextUpdateTicks = getCurrentTime();
+	_creditsLastUpdateTicks = _creditsNextUpdateTicks - 4;
+}
+
+int DuckmanSpecialCode::updateCredits(uint flags) {
+
+	if (_vm->_pauseCtr > 0) {
+		_creditsNextUpdateTicks = getCurrentTime() + 4;
+		return 1;
+	}
+
+	if (flags & 1) {
+		_vm->_scriptResource->_properties.set(0x000E0096, true);
+		_lastCreditsItemIndex = -1;
+		_creditsEndReached = false;
+		return 2;
+	}
+
+	if (!isTimerExpired(_creditsLastUpdateTicks, _creditsNextUpdateTicks)) {
+		return 1;
+	}
+
+	bool creditsRunning = false;
+	int index = 0;
+	for (CreditsItems::iterator it = _creditsItems.begin(); it != _creditsItems.end(); ++it, ++index) {
+		CreditsItem &creditsItem = *it;
+		Control *control = _vm->getObjectControl(creditsItem.objectId);
+		if (!creditsItem.active && creditsItem.scrollPosY == 0 && !_creditsEndReached) {
+			creditsItem.active = true;
+			creditsItem.scrollPosIndex = 0;
+			control->fillActor(0);
+			char *text = readNextCreditsLine();
+			if (!strncmp(text, "&&&END", 6)) {
+				creditsItem.active = false;
+				_creditsEndReached = true;
+			} else {
+				uint16 wtext[128];
+				charToWChar(text, wtext, ARRAYSIZE(wtext));
+
+				FontResource *font = _vm->_dict->findFont(0x120001); 
+				TextDrawer textDrawer;
+				WidthHeight dimensions;
+				uint16 *outText;
+				control->getActorFrameDimensions(dimensions);
+				textDrawer.wrapText(font, wtext, &dimensions, Common::Point(0, 0), 2, outText);
+				textDrawer.drawText(_vm->_screen, control->_actor->_surface, 0, 0);
+				control->_actor->_flags |= 0x4000;
+
+				_lastCreditsItemIndex = index;
+			}
+		}
+		if (creditsItem.active) {
+			if (_creditsEndReached && _creditsItems[_lastCreditsItemIndex].scrollPosIndex > 53) {
+				creditsItem.active = false;
+				creditsItem.scrollPosY = -1;
+			} else {
+				creditsRunning = true;
+				control->_actor->_position = getCreditsItemPosition(creditsItem.scrollPosIndex);
+				++creditsItem.scrollPosIndex;
+				if (getCreditsItemPosition(creditsItem.scrollPosIndex).x < 0)
+					creditsItem.active = false;
+			}
+		}
+		if (creditsItem.scrollPosY > 0)
+			--creditsItem.scrollPosY;
+	}
+	_creditsLastUpdateTicks = _creditsNextUpdateTicks;
+	_creditsNextUpdateTicks = getCurrentTime() + 4;
+
+	if (!creditsRunning) {
+		_vm->_scriptResource->_properties.set(0x000E0096, true);
+		_lastCreditsItemIndex = -1;
+		_creditsEndReached = false;
+		return 2;
+	}
+
+	return 1;
+}
+
+char *DuckmanSpecialCode::readNextCreditsLine() {
+	static char line[256];
+	char *dest = line;
+	char *src = _creditsCurrText;
+	do {
+		if (*src == 10 || *src == 13) {
+			src += 2;
+			*dest = 0;
+			break;
+		}
+		*dest++ = *src++;
+	} while (1);
+	_creditsCurrText = src;
+	return line;
+}
+
+Common::Point DuckmanSpecialCode::getCreditsItemPosition(int index) {
+	static const struct { int16 x, y; } kCreditsItemsPoints[] = {
+		{159, 200}, {158, 195}, {157, 190}, {156, 185}, {156, 180}, {157, 176}, 
+		{158, 172}, {159, 168}, {161, 164}, {162, 161}, {163, 158}, {163, 155}, 
+		{162, 152}, {161, 149}, {159, 147}, {158, 144}, {157, 142}, {156, 140}, 
+		{156, 138}, {157, 136}, {158, 134}, {159, 132}, {161, 130}, {162, 128}, 
+		{163, 127}, {163, 126}, {162, 125}, {161, 124}, {159, 123}, {158, 122}, 
+		{157, 121}, {156, 120}, {156, 119}, {157, 118}, {158, 117}, {159, 116}, 
+		{161, 115}, {162, 114}, {163, 113}, {163, 112}, {162, 111}, {161, 110}, 
+		{159, 109}, {158, 108}, {157, 107}, {156, 106}, {156, 105}, {157, 104}, 
+		{158, 103}, {159, 102}, {161, 101}, {162, 100}, {163,  99}, {163,  98}, 
+		{162,  97}, {161,  96}, {159,  95}, {158,  94}, {157,  93}, {156,  92}, 
+		{156,  91}, {157,  90}, {158,  89}, {159,  88}, {161,  87}, {162,  86}, 
+		{163,  85}, {163,  84}, {162,  83}, {161,  82}, {159,  81}, {158,  80}, 
+		{157,  79}, {156,  78}, {156,  77}, {157,  76}, {158,  75}, {159,  74},
+		{161,  73}, {162,  72}, {163,  71}, {163,  70}, {162,  69}, {161,  68}, 
+		{159,  67}, {158,  66}, {157,  64}, {156,  62}, {156,  60}, {157,  58}, 
+		{158,  56}, {159,  54}, {161,  52}, {162,  50}, {163,  40}, {163,  40}, 
+		{162,  40}, {161,  40}, {159,  40}, {158,  40}, {157,  40}, {156,  40}, 
+		{156,  40}, {157,  40}, {158,  40}, {159,  40}, {161,  40}, {162,  40}, 
+		{163,  40}, {163,  40}, {162,  40}, {161,  40}, {159,  40}, {158,  40}, 
+		{157,  40}, {156,  40}, {156,  40}, {157,  40}, {158,  40}, {159,  40}, 
+		{161,  40}, {162,  40}, {163,  40}, {163,  40}, {162,  40}, {161,  40}, 
+		{159,  40}, {158,  40}, { -1,  -1} 
+	};
+
+	if (index < 0 || index >= ARRAYSIZE(kCreditsItemsPoints))
+		return Common::Point(-1, -1);
+	return Common::Point(kCreditsItemsPoints[index].x, kCreditsItemsPoints[index].y);
+}
+
+void DuckmanSpecialCode::charToWChar(char *text, uint16 *wtext, uint size) {
+	while (*text != 0 && size > 1) {
+		*wtext++ = (byte)*text++;
+		--size;
+	}
+	*wtext++ = 0;
+}
+
 } // End of namespace Illusions
diff --git a/engines/illusions/duckman/duckman_specialcode.h b/engines/illusions/duckman/duckman_specialcode.h
index 83430a49ba..9176a643b0 100644
--- a/engines/illusions/duckman/duckman_specialcode.h
+++ b/engines/illusions/duckman/duckman_specialcode.h
@@ -35,6 +35,13 @@ class PropertyTimers;
 
 typedef Common::Functor1<OpCall&, void> SpecialCodeFunction;
 
+struct CreditsItem {
+	uint32 objectId;
+	bool active;
+	int16 scrollPosIndex;
+	int16 scrollPosY;
+};
+
 class DuckmanSpecialCode : public SpecialCode {
 public:
 	DuckmanSpecialCode(IllusionsEngine_Duckman *vm);
@@ -44,6 +51,7 @@ public:
 public:	
 	typedef Common::HashMap<uint32, SpecialCodeFunction*> SpecialCodeMap;
 	typedef SpecialCodeMap::iterator SpecialCodeMapIterator;
+	typedef Common::Array<CreditsItem> CreditsItems;
 
 	IllusionsEngine_Duckman *_vm;
 	SpecialCodeMap _specialCodeMap;
@@ -56,6 +64,15 @@ public:
 	Common::Point _teleporterPosition;
 	int16 _counter;
 	bool _wasCursorHoldingElvisPoster;
+	int16 _savedTempMasterSfxVolume;
+	int16 _lastRandomSoundIndex;
+
+	uint32 _creditsLastUpdateTicks;
+	uint32 _creditsNextUpdateTicks;
+	int _lastCreditsItemIndex;
+	bool _creditsEndReached;
+	CreditsItems _creditsItems;
+	char *_creditsCurrText;
 
 	// Special code interface functions
 	void runSpecialCode(uint32 specialCodeId, OpCall &opCall);
@@ -75,14 +92,24 @@ public:
 	void spcStopScreenShaker(OpCall &opCall);
 	void spcIncrCounter(OpCall &opCall);
 	void spcUpdateObject272Sequence(OpCall &opCall);
+	void spcPlayRandomSound(OpCall &opCall);
 	void spcHoldGlowingElvisPoster(OpCall &opCall);
+	void spcStartCredits(OpCall &opCall);
 	void spcSetCursorInventoryMode(OpCall &opCall);
 	void spcCenterCurrentScreenText(OpCall &opCall);
 	void spcSetDefaultTextCoords(OpCall &opCall);
 	void spcSetTextDuration(OpCall &opCall);
+	void spcSetTempMasterSfxVolume(OpCall &opCall);
+	void spcRestoreTempMasterSfxVolume(OpCall &opCall);
 
 	void updateTeleporterProperties();
 
+	void startCredits();
+	int updateCredits(uint flags);
+	char *readNextCreditsLine();
+	Common::Point getCreditsItemPosition(int index);
+	void charToWChar(char *text, uint16 *wtext, uint size);
+
 };
 
 } // End of namespace Illusions
diff --git a/engines/illusions/duckman/illusions_duckman.cpp b/engines/illusions/duckman/illusions_duckman.cpp
index 8df01a8f6e..ebfcdca4bd 100644
--- a/engines/illusions/duckman/illusions_duckman.cpp
+++ b/engines/illusions/duckman/illusions_duckman.cpp
@@ -35,6 +35,7 @@
 #include "illusions/resources/actorresource.h"
 #include "illusions/resources/backgroundresource.h"
 #include "illusions/resources/fontresource.h"
+#include "illusions/resources/genericresource.h"
 #include "illusions/resources/midiresource.h"
 #include "illusions/resources/scriptresource.h"
 #include "illusions/resources/soundresource.h"
@@ -99,6 +100,7 @@ Common::Error IllusionsEngine_Duckman::run() {
 	_resSys->addResourceLoader(0x00100000, new ActorResourceLoader(this));
 	_resSys->addResourceLoader(0x00110000, new BackgroundResourceLoader(this));
 	_resSys->addResourceLoader(0x00120000, new FontResourceLoader(this));
+	_resSys->addResourceLoader(0x00190000, new GenericResourceLoader(this));
 
 	_screen = new Screen(this, 320, 200, 8);
 	_screenText = new ScreenText(this);
diff --git a/engines/illusions/duckman/scriptopcodes_duckman.cpp b/engines/illusions/duckman/scriptopcodes_duckman.cpp
index 263c27fb9a..a62a78b46b 100644
--- a/engines/illusions/duckman/scriptopcodes_duckman.cpp
+++ b/engines/illusions/duckman/scriptopcodes_duckman.cpp
@@ -275,7 +275,8 @@ void ScriptOpcodes_Duckman::opUnloadResourcesBySceneId(ScriptThread *scriptThrea
 //static uint dsceneId = 0x00010010, dthreadId = 0x0002008A;
 //static uint dsceneId = 0x10002, dthreadId = 0x20001;//Debug menu, not supported
 //static uint dsceneId = 0x10044, dthreadId = 0x000202B8; // Starship Enterprise
-static uint dsceneId = 0x00010039, dthreadId = 0x00020089;
+//static uint dsceneId = 0x00010039, dthreadId = 0x00020089; // Map
+static uint dsceneId = 0x00010052, dthreadId = 0x00020347; // Credits
 
 void ScriptOpcodes_Duckman::opChangeScene(ScriptThread *scriptThread, OpCall &opCall) {
 	ARG_SKIP(2);