VOYEUR: Implemented more doHeadTitle startup code, and startFade

9 files changed, 189 insertions, 21 deletions

diff --git a/engines/voyeur/events.cpp b/engines/voyeur/events.cpp
index 7a9bd5aa55..29959a8fae 100644
--- a/engines/voyeur/events.cpp
+++ b/engines/voyeur/events.cpp
@@ -22,10 +22,11 @@
 
 #include "voyeur/events.h"
 #include "voyeur/voyeur.h"
+#include "graphics/palette.h"
 
 namespace Voyeur {
 
-EventsManager::EventsManager() {
+EventsManager::EventsManager(): _intPtr(_audioStruc) {
 	_cycleStatus = 0;
 	_mouseButton = 0;
 	_priorFrameTime = g_system->getMillis();
@@ -56,7 +57,7 @@ void EventsManager::sWaitFlip() {
 	// TODO: See if this needs a proper wait loop with event polling
 	//while (_intPtr._field39) ;
 
-	Common::Array<ViewPortResource *> &viewPorts = *_vm->_graphicsManager._viewPortListPtr;
+	Common::Array<ViewPortResource *> &viewPorts = _vm->_graphicsManager._viewPortListPtr->_entries;
 	for (uint idx = 0; idx < viewPorts.size(); ++idx) {
 		ViewPortResource &viewPort = *viewPorts[idx];
 
@@ -81,6 +82,9 @@ void EventsManager::checkForNextFrameCounter() {
 		++_gameCounter;
 		_priorFrameTime = milli;
 
+		// Run the timer-based updates
+		videoTimer();
+
 		// Display the frame
 		g_system->copyRectToScreen((byte *)_vm->_graphicsManager._screenSurface.pixels, 
 			SCREEN_WIDTH, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
@@ -91,7 +95,18 @@ void EventsManager::checkForNextFrameCounter() {
 	}
 }
 
-void EventsManager::delay(int totalMilli) {
+void EventsManager::videoTimer() {
+	if (_audioStruc._hasPalette) {
+		_audioStruc._hasPalette = false;
+
+		g_system->getPaletteManager()->setPalette(_audioStruc._palette,
+			_audioStruc._palStartIndex, 
+			_audioStruc._palEndIndex - _audioStruc._palStartIndex + 1);
+	}
+}
+
+void EventsManager::delay(int cycles) {
+	uint32 totalMilli = cycles * 1000 / GAME_FRAME_RATE;
 	uint32 delayEnd = g_system->getMillis() + totalMilli;
 
 	while (!_vm->shouldQuit() && g_system->getMillis() < delayEnd) {
@@ -134,4 +149,68 @@ void EventsManager::pollEvents() {
 	}
 }
 
+void EventsManager::startFade(CMapResource *cMap) {
+	_fadeIntNode._flags |= 1;
+	if (_cycleStatus & 1)
+		_cycleIntNode._flags |= 1;
+
+	_fadeFirstCol = cMap->_start;
+	_fadeLastCol = cMap->_end;
+	_fadeCount = cMap->_steps + 1;
+
+	if (cMap->_steps > 0) {
+		_vm->_graphicsManager._fadeStatus = cMap->_fadeStatus;
+		uint16 *destP = (uint16 *)(_vm->_graphicsManager._viewPortListPtr->_palette +
+			(_fadeFirstCol * 16));
+		byte *vgaP = &_vm->_graphicsManager._VGAColors[_fadeFirstCol * 3];
+		int mapIndex = 0;
+
+		for (int idx = _fadeFirstCol; idx <= _fadeLastCol; ++idx) {
+			destP[0] = vgaP[0] << 8;
+			uint32 rComp = (uint16)((cMap->_entries[mapIndex * 3] << 8) - destP[0]) | 0x80;
+			destP[3] = rComp / cMap->_steps;
+
+			destP[1] = vgaP[1] << 8;
+			uint32 gComp = (uint16)((cMap->_entries[mapIndex * 3 + 1] << 8) - destP[1]) | 0x80;
+			destP[4] = gComp / cMap->_steps;
+
+			destP[2] = vgaP[2] << 8;
+			uint32 bComp = (uint16)((cMap->_entries[mapIndex * 3 + 2] << 8) - destP[2]) | 0x80;
+			destP[5] = bComp / cMap->_steps;
+			destP[6] = bComp % cMap->_steps;
+
+			destP += 8;
+
+			if (!(cMap->_fadeStatus & 1))
+				++mapIndex;
+		}
+
+		if (cMap->_fadeStatus & 2)
+			_intPtr._field3B = 1;
+		_fadeIntNode._flags &= ~1;
+	} else {
+		byte *vgaP = &_vm->_graphicsManager._VGAColors[_fadeFirstCol * 3];
+		int mapIndex = 0;
+
+		for (int idx = _fadeFirstCol; idx <= _fadeLastCol; ++idx, vgaP += 3) {
+			Common::copy(&cMap->_entries[mapIndex], &cMap->_entries[mapIndex + 3], vgaP);
+
+			if (!(cMap->_fadeStatus & 1))
+				mapIndex += 3;
+		}
+
+		if (_intPtr._palStartIndex > _fadeFirstCol)
+			_intPtr._palStartIndex = _fadeFirstCol;
+		if (_intPtr._palEndIndex < _fadeLastCol)
+			_intPtr._palEndIndex = _fadeLastCol;
+
+		_intPtr._hasPalette = true;
+		if (!(cMap->_fadeStatus & 2))
+			_intPtr._field38 = 1;
+	}
+
+	if (_cycleStatus & 1)
+		_cycleIntNode._flags &= ~1;
+}
+
 } // End of namespace Voyeur
diff --git a/engines/voyeur/events.h b/engines/voyeur/events.h
index 249db4a1fd..f19a6ec7c2 100644
--- a/engines/voyeur/events.h
+++ b/engines/voyeur/events.h
@@ -29,6 +29,7 @@
 namespace Voyeur {
 
 class VoyeurEngine;
+class CMapResource;
 
 #define GAME_FRAME_RATE 50
 #define GAME_FRAME_TIME (1000 / GAME_FRAME_RATE)
@@ -44,14 +45,17 @@ private:
 	static void mainVoyeurIntFunc();
 private:
 	void checkForNextFrameCounter();
-
+	void videoTimer();
 public:
-	IntData _intPtr;
+	IntData _audioStruc;
+	IntData &_intPtr;
 	IntNode _fadeIntNode;
 	IntNode _cycleIntNode;
 	IntNode _evintnode;
 	IntNode _mainIntNode;
 	int _cycleStatus;
+	int _fadeFirstCol, _fadeLastCol;
+	int _fadeCount;
 public:
 	EventsManager();
 	void setVm(VoyeurEngine *vm) { _vm = vm; }
@@ -61,8 +65,9 @@ public:
 	void vStopCycle();
 	void sWaitFlip();
 
-	void delay(int totalMilli);
+	void delay(int cycles);
 	void pollEvents();
+	void startFade(CMapResource *cMap);
 };
 
 } // End of namespace Voyeur
diff --git a/engines/voyeur/files.cpp b/engines/voyeur/files.cpp
index 758ba9f481..4970fc2d24 100644
--- a/engines/voyeur/files.cpp
+++ b/engines/voyeur/files.cpp
@@ -251,6 +251,10 @@ bool BoltFile::getBoltGroup(uint32 id) {
 	return true;
 }
 
+void BoltFile::freeBoltGroup(uint32 id) {
+	warning("TODO: freeBoltGroup");
+}
+
 BoltEntry &BoltFile::getBoltEntry(uint32 id) {
 	BoltGroup &group = _groups[id >> 24];
 	assert(group._loaded);
@@ -268,6 +272,13 @@ PictureResource *BoltFile::getPictureResouce(uint32 id) {
 	return getBoltEntry(id)._picResource;
 }
 
+CMapResource *BoltFile::getCMapResource(uint32 id) {
+		if ((int32)id == -1)
+		return NULL;
+
+	return getBoltEntry(id)._cMapResource;
+}
+
 byte *BoltFile::memberAddr(uint32 id) {
 	BoltGroup &group = _groups[id >> 8];
 	if (!group._loaded)
@@ -417,7 +428,7 @@ void BoltFile::initViewPortList() {
 	_state._curMemberPtr->_viewPortListResource = res = new ViewPortListResource(
 		_state, _state._curMemberPtr->_data);
 
-	_state._vm->_graphicsManager._viewPortListPtr = &res->_entries;
+	_state._vm->_graphicsManager._viewPortListPtr = res;
 	_state._vm->_graphicsManager._vPort = &res->_entries[0];
 }
 
@@ -441,6 +452,7 @@ BoltGroup::BoltGroup(Common::SeekableReadStream *f): _file(f) {
 	_file->read(&buffer[0], BOLT_GROUP_SIZE);
 	_processed = buffer[0] != 0;
 	_callInitGro = buffer[1] != 0;
+	_termGroIndex = buffer[2];
 	_count = buffer[3] ? buffer[3] : 256;	// TODO: Added this in. Check it's okay
 	_fileOffset = READ_LE_UINT32(&buffer[8]);
 }
@@ -546,8 +558,7 @@ PictureResource::PictureResource(BoltFilesState &state, const byte *src) {
 
 		if (mode != state._vm->_graphicsManager._SVGAMode) {
 			state._vm->_graphicsManager._SVGAMode = mode;
-			// TODO: If necessary, simulate SVGA mode change
-			warning("TODO: May need to implement SVGA stub code");
+			state._vm->_graphicsManager.clearPalette();			
 		}
 
 //		byte *imgData = _imgData;
@@ -746,6 +757,8 @@ ViewPortListResource::ViewPortListResource(BoltFilesState &state, const byte *sr
 		assert(entry._viewPortResource);
 		_entries.push_back(entry._viewPortResource);
 	}
+
+	state._curLibPtr->resolveIt(READ_LE_UINT32(src + 4), &_palette);
 }
 
 /*------------------------------------------------------------------------*/
@@ -756,17 +769,22 @@ FontResource::FontResource(BoltFilesState &state, const byte *src) {
 
 /*------------------------------------------------------------------------*/
 
-CMapResource::CMapResource(BoltFilesState &state, const byte *src) {
+CMapResource::CMapResource(BoltFilesState &state, const byte *src): _vm(state._vm) {
+	_steps = READ_LE_UINT16(src);
 	_start = READ_LE_UINT16(src + 2);
 	_end = READ_LE_UINT16(src + 4);
 	
 	int count = _end - _start;
-	_palette = new byte[count * 3];
-	Common::copy(src + 6, src + 6 + 3 * count, _palette);
+	_entries = new byte[count * 3];
+	Common::copy(src + 6, src + 6 + 3 * count, _entries);
 }
 
 CMapResource::~CMapResource() {
-	delete[] _palette;
+	delete[] _entries;
+}
+
+void CMapResource::startFade() {
+	_vm->_eventsManager.startFade(this);
 }
 
 /*------------------------------------------------------------------------*/
diff --git a/engines/voyeur/files.h b/engines/voyeur/files.h
index da3d277f73..49d6db1333 100644
--- a/engines/voyeur/files.h
+++ b/engines/voyeur/files.h
@@ -127,6 +127,7 @@ public:
 	~BoltFile();
 
 	bool getBoltGroup(uint32 id);
+	void freeBoltGroup(uint32 id);
 	byte *memberAddr(uint32 id);
 	byte *memberAddrOffset(uint32 id);
 	void resolveIt(uint32 id, byte **p);
@@ -134,6 +135,7 @@ public:
 
 	BoltEntry &getBoltEntry(uint32 id);
 	PictureResource *getPictureResouce(uint32 id);
+	CMapResource *getCMapResource(uint32 id);
 };
 
 class BoltGroup {
@@ -143,6 +145,7 @@ public:
 	byte _loaded;
 	bool _processed;
 	bool _callInitGro;
+	int _termGroIndex;
 	int _count;
 	int _fileOffset;
 	Common::Array<BoltEntry> _entries;
@@ -254,7 +257,7 @@ public:
 
 class ViewPortListResource {
 public:
-	byte *_field4;
+	byte *_palette;
 	Common::Array<ViewPortResource *> _entries;
 
 	ViewPortListResource(BoltFilesState &state, const byte *src);
@@ -270,13 +273,19 @@ public:
 };
 
 class CMapResource {
+private:
+	VoyeurEngine *_vm;
 public:
+	int _steps;
+	int _fadeStatus;
 	int _start;
 	int _end;
-	byte *_palette;
+	byte *_entries;
 public:
 	CMapResource(BoltFilesState &state, const byte *src);
 	virtual ~CMapResource();
+
+	void startFade();
 };
 
 class VInitCyclResource {
diff --git a/engines/voyeur/game.cpp b/engines/voyeur/game.cpp
index 9167cd942b..7c1f49f64f 100644
--- a/engines/voyeur/game.cpp
+++ b/engines/voyeur/game.cpp
@@ -27,7 +27,12 @@ namespace Voyeur {
 IntData::IntData() {
 	_field9 = false;
 	_flipWait = false;
+	_hasPalette = false;
+	_field3B = 0;
 	_field2A = 0;
+	_palStartIndex = 0;
+	_palEndIndex = 0;
+	_palette = NULL;
 }
 
 void IntData::audioInit() {
diff --git a/engines/voyeur/game.h b/engines/voyeur/game.h
index d99df39c02..2b9864cb3e 100644
--- a/engines/voyeur/game.h
+++ b/engines/voyeur/game.h
@@ -114,7 +114,12 @@ public:
 	bool _field9;
 	bool _flipWait;
 	int _field2A;
-	byte *_colors;
+	bool _hasPalette;
+	int _field38;
+	int _field3B;
+	int _palStartIndex;
+	int _palEndIndex;
+	byte *_palette;
 	Common::List<IntNode *> _intNodes;
 public:
 	IntData();
diff --git a/engines/voyeur/graphics.cpp b/engines/voyeur/graphics.cpp
index fb32e75b91..a172483d00 100644
--- a/engines/voyeur/graphics.cpp
+++ b/engines/voyeur/graphics.cpp
@@ -24,6 +24,7 @@
 #include "voyeur/game.h"
 #include "voyeur/voyeur.h"
 #include "engines/util.h"
+#include "graphics/palette.h"
 #include "graphics/surface.h"
 
 namespace Voyeur {
@@ -47,6 +48,8 @@ void GraphicsManager::sInitGraphics() {
 	initGraphics(SCREEN_WIDTH, SCREEN_HEIGHT, false);
 	_screenSurface.create(SCREEN_WIDTH, SCREEN_HEIGHT,
 		Graphics::PixelFormat::createFormatCLUT8());
+
+	clearPalette();
 }
 
 GraphicsManager::~GraphicsManager() {
@@ -360,7 +363,7 @@ void GraphicsManager::EMSMapPageHandle(int v1, int v2, int v3) {
 }
 
 void GraphicsManager::flipPage() {
-	Common::Array<ViewPortResource *> &viewPorts = *_viewPortListPtr;
+	Common::Array<ViewPortResource *> &viewPorts = _viewPortListPtr->_entries;
 	bool flipFlag = false;
 
 	for (uint idx = 0; idx < viewPorts.size(); ++idx) {
@@ -405,4 +408,14 @@ void GraphicsManager::restoreBack(Common::Array<Common::Rect> &rectList, int rec
 	_saveBack = saveBack;
 }
 
+void GraphicsManager::clearPalette() {
+	byte palette[768];
+	Common::fill(&palette[0], &palette[768], 0);
+	g_system->getPaletteManager()->setPalette(&palette[0], 0, 256);
+}
+
+void GraphicsManager::screenReset() {
+	// TODO
+}
+
 } // End of namespace Voyeur
diff --git a/engines/voyeur/graphics.h b/engines/voyeur/graphics.h
index 1eec37bab7..98f01c3bbe 100644
--- a/engines/voyeur/graphics.h
+++ b/engines/voyeur/graphics.h
@@ -41,6 +41,7 @@ class GraphicsManager;
 class DisplayResource;
 class PictureResource;
 class ViewPortResource;
+class ViewPortListResource;
 
 typedef void (GraphicsManager::*GraphicMethodPtr)(); 
 typedef void (GraphicsManager::*ViewPortSetupPtr)(ViewPortResource *);
@@ -57,7 +58,7 @@ public:
 	int _SVGAPage;
 	int _SVGAMode;
 	int _SVGAReset;
-	Common::Array<ViewPortResource *> *_viewPortListPtr;
+	ViewPortListResource *_viewPortListPtr;
 	ViewPortResource **_vPort;
 	bool _MCGAMode;
 	bool _saveBack;
@@ -66,6 +67,7 @@ public:
 	uint _planeSelect;
 	int _sImageShift;
 	Graphics::Surface _screenSurface;
+	int _fadeStatus;
 private:
 	static void fadeIntFunc();
 	static void vDoFadeInt();
@@ -92,6 +94,8 @@ public:
 	void sDrawPic(DisplayResource *srcDisplay, DisplayResource *destDisplay, const Common::Point &offset);
 	void sDisplayPic(PictureResource *pic);
 	void flipPage();
+	void clearPalette();
+	void screenReset();
 };
 
 } // End of namespace Voyeur
diff --git a/engines/voyeur/voyeur.cpp b/engines/voyeur/voyeur.cpp
index 79fb2fb0ca..18f3edfecc 100644
--- a/engines/voyeur/voyeur.cpp
+++ b/engines/voyeur/voyeur.cpp
@@ -132,7 +132,7 @@ void VoyeurEngine::initBolt() {
 }
 
 void VoyeurEngine::vInitInterrupts() {
-	_eventsManager._intPtr._colors = &_graphicsManager._VGAColors[0];
+	_eventsManager._intPtr._palette = &_graphicsManager._VGAColors[0];
 }
 
 void VoyeurEngine::initInput() {
@@ -142,6 +142,8 @@ void VoyeurEngine::doHeadTitle() {
 //	char dest[144];
 
 	_eventsManager.startMainClockInt();
+
+	// Show starting screen
 	if (_bVoy->getBoltGroup(0x10500)) {
 		_graphicsManager._backgroundPage = _bVoy->getBoltEntry(0x5020000)._picResource;
 		(*_graphicsManager._vPort)->setupViewPort();
@@ -150,8 +152,36 @@ void VoyeurEngine::doHeadTitle() {
 		_graphicsManager.flipPage();
 		_eventsManager.sWaitFlip();
 
-		// TODO: 
-		_eventsManager.delay(1000);
+		// Fade in the screen
+		CMapResource *cMap = _bVoy->getCMapResource(0x5010000);
+		assert(cMap);
+		cMap->_steps = 60;
+		cMap->startFade();
+
+		_eventsManager.delay(150);
+		if (shouldQuit())
+			return;
+		/* Commented out until fade in is working
+		// Fade out the screen
+		cMap->_steps = 30;
+		cMap->startFade();
+		if (shouldQuit())
+			return;
+
+		(*_graphicsManager._vPort)->_flags |= 8;
+		_graphicsManager.flipPage();
+		_eventsManager.sWaitFlip();
+
+		while (!shouldQuit() && (_graphicsManager._fadeStatus & 1))
+			_eventsManager.delay(1);
+
+		_graphicsManager.screenReset();
+		_bVoy->freeBoltGroup(0x10500);
+		_graphicsManager.screenReset();
+
+		if (shouldQuit())
+			return;
+		*/
 	}
 }