From 031cc32c847bf7387859e273069f8efd3b6d4ed0 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Wed, 6 Aug 2014 22:43:40 -0400
Subject: ACCESS: Implemented room data loading

---
 engines/access/access.cpp             |  48 +++++++++++++
 engines/access/access.h               |  26 ++++++-
 engines/access/amazon/amazon_room.cpp |   5 ++
 engines/access/amazon/amazon_room.h   |   2 +
 engines/access/asurface.h             |   2 +
 engines/access/data.h                 |   8 +++
 engines/access/room.cpp               | 127 +++++++++++++++++++++++++++++++++-
 engines/access/room.h                 |  35 +++++++++-
 engines/access/screen.cpp             |   9 +++
 engines/access/screen.h               |   4 ++
 engines/access/sound.cpp              |  15 ++++
 engines/access/sound.h                |   9 +++
 12 files changed, 285 insertions(+), 5 deletions(-)

(limited to 'engines/access')

diff --git a/engines/access/access.cpp b/engines/access/access.cpp
index 6b805e4069..98f5529863 100644
--- a/engines/access/access.cpp
+++ b/engines/access/access.cpp
@@ -70,6 +70,13 @@ AccessEngine::AccessEngine(OSystem *syst, const AccessGameDescription *gameDesc)
 	_startup = 0;
 	_currentCharFlag = false;
 	_boxSelect = false;
+	_charFlag = 0;
+	_scaleH1 = _scaleH2 = 0;
+	_scaleN1 = 0;
+	_scaleT1 = 0;
+	_scaleMaxY = 0;
+	_scaleI = 0;
+	_playFieldHeight = 0;
 
 	_roomNumber = 0;
 	_rawPlayerXLow = 0;
@@ -85,6 +92,10 @@ AccessEngine::AccessEngine(OSystem *syst, const AccessGameDescription *gameDesc)
 	_timerFlag = false;
 	Common::fill(&_flags[0], &_flags[99], 0);
 	Common::fill(&_useItem[0], &_useItem[23], 0);
+	Common::fill(&_establishTable[0], &_establishTable[100], 0);
+	_establishFlag = false;
+	_establishMode = 0;
+	_establishGroup = 0;
 	_guardLoc = 0;
 	_guardFind = 0;
 	_helpLevel = 0;
@@ -192,6 +203,13 @@ int AccessEngine::getRandomNumber(int maxNumber) {
 	return _randomSource.getRandomNumber(maxNumber);
 }
 
+void AccessEngine::loadCells(Common::Array<CellIdent> &cells) {
+	for (uint i = 0; i < cells.size(); ++i) {
+		_objectsTable[cells[i]._cell] = _files->loadFile(
+			cells[i]._fileNum, cells[i]._subfile);
+	}
+}
+
 void AccessEngine::clearCellTable() {
 	Common::fill(&_objectsTable[0], &_objectsTable[100], (byte *)nullptr);
 }
@@ -228,4 +246,34 @@ void AccessEngine::freeManData() {
 	_man = nullptr;
 }
 
+void AccessEngine::establish(int v) {
+	_establishMode = 0;
+	_establishGroup = 0;
+	doEstablish(v);
+}
+
+void AccessEngine::establishCenter(int v) {
+	_establishMode = 1;
+	doEstablish(v);
+}
+
+void AccessEngine::doEstablish(int v) {
+	_screen->forceFadeOut();
+	_screen->clearScreen();
+	_screen->setPanel(3);
+
+	if (v != -1) {
+		_files->loadScreen(95, v);
+		_buffer2.copyBuffer(_screen);
+	}
+
+	warning("TODO: doEstablish");
+}
+
+void AccessEngine::loadPlayField(int fileNum, int subfile) {
+	// TODO
+}
+
+
+
 } // End of namespace Access
diff --git a/engines/access/access.h b/engines/access/access.h
index 2e605e49ab..1451e21296 100644
--- a/engines/access/access.h
+++ b/engines/access/access.h
@@ -80,6 +80,8 @@ private:
 	void setVGA();
 
 	void dummyLoop();
+
+	void doEstablish(int v);
 protected:
 	const AccessGameDescription *_gameDescription;
 	Common::RandomSource _randomSource;
@@ -108,13 +110,18 @@ public:
 	SoundManager *_sound;
 
 	byte *_destIn;
-	Graphics::Surface _buffer1;
-	Graphics::Surface _buffer2;
+	ASurface _buffer1;
+	ASurface _buffer2;
 	byte *_objectsTable[100];
+	int _establishTable[100];
+	bool _establishFlag;
+	int _establishMode;
+	int _establishGroup;
 	int _numAnimTimers;
 	Common::Array<TimerEntry> _timers;
 	Common::Array<Common::Rect> _newRect;
 	Common::Array<Common::Rect> _oldRect;
+	Common::Array<ExtraCell> _extraCells;
 	int _pCount;
 	int _selectCommand;
 	bool _normalMouse;
@@ -141,6 +148,13 @@ public:
 	int _startTravelBox;
 	bool _currentCharFlag;
 	bool _boxSelect;
+	int _charFlag;
+	int _scaleH1, _scaleH2;
+	int _scaleN1;
+	int _scaleT1;
+	int _scaleMaxY;
+	int _scaleI;
+	int _playFieldHeight;
 
 	// Fields that are included in savegames
 	int _roomNumber;
@@ -202,6 +216,8 @@ public:
 
 	void freeAnimationData();
 
+	void loadCells(Common::Array<CellIdent> &cells);
+
 	/**
 	* Clear the cell table
 	*/
@@ -231,6 +247,12 @@ public:
 	 * Free animation data
 	 */
 	void freeManData();
+
+	void establish(int v);
+
+	void establishCenter(int v);
+
+	void loadPlayField(int fileNum, int subfile);
 };
 
 } // End of namespace Access
diff --git a/engines/access/amazon/amazon_room.cpp b/engines/access/amazon/amazon_room.cpp
index ce0683f124..21d9c6097e 100644
--- a/engines/access/amazon/amazon_room.cpp
+++ b/engines/access/amazon/amazon_room.cpp
@@ -22,6 +22,7 @@
 
 #include "common/scummsys.h"
 #include "access/access.h"
+#include "access/amazon/amazon_resources.h"
 #include "access/amazon/amazon_room.h"
 
 namespace Access {
@@ -32,6 +33,10 @@ AmazonRoom::AmazonRoom(AccessEngine *vm): Room(vm) {
 	_antOutFlag = false;
 }
 
+void AmazonRoom::loadRoom(int roomNumber) {
+	loadRoomData(ROOM_TABLE[roomNumber]);
+}
+
 void AmazonRoom::reloadRoom() {
 	loadRoom(_vm->_roomNumber);
 
diff --git a/engines/access/amazon/amazon_room.h b/engines/access/amazon/amazon_room.h
index 6d13a4e52c..006aef54f6 100644
--- a/engines/access/amazon/amazon_room.h
+++ b/engines/access/amazon/amazon_room.h
@@ -40,6 +40,8 @@ private:
 
 	void roomMenu();
 protected:
+	virtual void loadRoom(int roomNumber);
+
 	virtual void reloadRoom();
 
 	virtual void reloadRoom1();
diff --git a/engines/access/asurface.h b/engines/access/asurface.h
index ecd04b9682..830a493977 100644
--- a/engines/access/asurface.h
+++ b/engines/access/asurface.h
@@ -31,6 +31,8 @@ namespace Access {
 class ASurface : public Graphics::Surface {
 public:
 	void clearBuffer();
+
+	void copyBuffer(Graphics::Surface *src) { copyFrom(*src); }
 };
 
 } // End of namespace Access
diff --git a/engines/access/data.h b/engines/access/data.h
index 7e10e992d9..8b77e7c5b3 100644
--- a/engines/access/data.h
+++ b/engines/access/data.h
@@ -39,6 +39,14 @@ struct TimerEntry {
 	}
 };
 
+class ExtraCell {
+public:
+	int _vidTable;
+	int _vidTable1;
+	int _vidSTable;
+	int _vidSTable1;
+};
+
 } // End of namespace Access
 
 #endif /* ACCESS_DATA_H */
diff --git a/engines/access/room.cpp b/engines/access/room.cpp
index f735fdb167..1e9eec79b0 100644
--- a/engines/access/room.cpp
+++ b/engines/access/room.cpp
@@ -21,6 +21,7 @@
  */
 
 #include "common/scummsys.h"
+#include "common/memstream.h"
 #include "access/access.h"
 #include "access/resources.h"
 #include "access/room.h"
@@ -131,8 +132,77 @@ void Room::clearRoom() {
 	_vm->freeManData();
 }
 
-void Room::loadRoom(int room) {
-	// TODO
+void Room::loadRoomData(const byte *roomData) {
+	RoomInfo roomInfo(roomData);
+
+	_roomFlag = roomInfo._roomFlag;
+
+	_vm->_establishFlag = false;
+	if (roomInfo._estIndex != -1) {
+		_vm->_establishFlag = true;
+		if (_vm->_establishTable[roomInfo._estIndex] != 1) {
+			_vm->_establishTable[roomInfo._estIndex] = 1;
+			_vm->establish(0);
+		}
+	}
+
+	_vm->_sound->freeMusic();
+	if (roomInfo._musicFile._fileNum != -1) {
+		_vm->_sound->_music = _vm->_files->loadFile(roomInfo._musicFile._fileNum,
+			roomInfo._musicFile._subfile);
+		_vm->_sound->_midiSize = _vm->_files->_filesize;
+		_vm->_sound->midiPlay();
+		_vm->_sound->_musicRepeat = true;
+	}
+
+	_vm->_scaleH1 = roomInfo._scaleH1;
+	_vm->_scaleH2 = roomInfo._scaleH2;
+	_vm->_scaleN1 = roomInfo._scaleN1;
+	_vm->_scaleT1 = ((_vm->_scaleH2 - _vm->_scaleH1) << 8) / _vm->_scaleN1;
+
+	if (roomInfo._playFieldFile._fileNum != -1) {
+		_vm->loadPlayField(roomInfo._playFieldFile._fileNum,
+			roomInfo._playFieldFile._subfile);
+		setupRoom();
+
+		_vm->_scaleMaxY = _vm->_playFieldHeight << 4;
+	}
+
+	// Load cells
+	_vm->loadCells(roomInfo._cells);
+
+	// Load script data
+	_vm->_scripts->freeScriptData();
+	if (roomInfo._scriptFile._fileNum != -1)
+		_vm->_scripts->_script = _vm->_files->loadFile(roomInfo._scriptFile._fileNum,
+		roomInfo._scriptFile._subfile);
+
+	// Load animation data
+	_vm->freeAnimationData();
+	if (roomInfo._animFile._fileNum != -1)
+		_vm->_anim = _vm->_files->loadFile(roomInfo._animFile._fileNum,
+		roomInfo._animFile._subfile);
+
+	_vm->_scaleI = roomInfo._scaleI;
+	_vm->_screen->_scrollThreshold = roomInfo._scrollThreshold;
+
+	_vm->_screen->_startColor = roomInfo._startColor;
+	_vm->_screen->_numColors = roomInfo._numColors;
+	_vm->_screen->loadPalette(roomInfo._paletteFile._fileNum,
+		roomInfo._paletteFile._subfile);
+
+	// Load extra cells
+	_vm->_extraCells.clear();
+	for (uint i = 0; i < roomInfo._vidTable.size(); ++i) {
+		ExtraCell ec;
+		ec._vidTable = roomInfo._vidTable[i] & 0xffff;
+		ec._vidTable1 = roomInfo._vidTable[i] >> 16;
+
+		_vm->_extraCells.push_back(ec);
+	}
+
+	// Load sounds for the scene
+	_vm->_sound->loadSounds(roomInfo._sounds);
 }
 
 void Room::roomLoop() {
@@ -156,4 +226,57 @@ void Room::buildScreen() {
 	// TODO
 }
 
+/*------------------------------------------------------------------------*/
+
+RoomInfo::RoomInfo(const byte *data) {
+	Common::MemoryReadStream stream(data, 999);
+
+	_roomFlag = stream.readByte() != 0;
+	_estIndex = (int16)stream.readUint16LE();
+	_musicFile._fileNum = (int16)stream.readUint16LE();
+	_musicFile._subfile = stream.readUint16LE();
+	_scaleH1 = stream.readByte();
+	_scaleH2 = stream.readByte();
+	_scaleN1 = stream.readByte();
+	_playFieldFile._fileNum = (int16)stream.readUint16LE();
+	_playFieldFile._subfile = stream.readUint16LE();
+
+	for (byte cell = stream.readByte(); cell != 0xff; cell = stream.readByte()) {
+		CellIdent ci;
+		ci._cell = cell;
+		ci._fileNum = (int16)stream.readUint16LE();
+		ci._subfile = stream.readUint16LE();
+
+		_cells.push_back(ci);
+	}
+
+	_scriptFile._fileNum = (int16)stream.readUint16LE();
+	_scriptFile._subfile = stream.readUint16LE();
+	_animFile._fileNum = (int16)stream.readUint16LE();
+	_animFile._subfile = stream.readUint16LE();
+	_scaleI = stream.readByte();
+	_scrollThreshold = stream.readByte();
+	_paletteFile._fileNum = (int16)stream.readUint16LE();
+	_paletteFile._subfile = stream.readUint16LE();
+	_startColor = stream.readUint16LE();
+	_numColors = stream.readUint16LE();
+
+	for (int16 v = (int16)stream.readUint16LE(); v != -1;
+			v = (int16)stream.readUint16LE()) {
+		uint16 v2 = stream.readUint16LE();
+
+		_vidTable.push_back(v | ((uint32)v2 << 16));
+	}
+
+	for (int16 fileNum = (int16)stream.readUint16LE(); fileNum != -1;
+			fileNum = (int16)stream.readUint16LE()) {
+		FileIdent fi;
+		fi._fileNum = fileNum;
+		fi._subfile = stream.readUint16LE();
+
+		_sounds.push_back(fi);
+	}
+};
+
+
 } // End of namespace Access
diff --git a/engines/access/room.h b/engines/access/room.h
index 28506db7d6..1b803667af 100644
--- a/engines/access/room.h
+++ b/engines/access/room.h
@@ -35,10 +35,13 @@ private:
 protected:
 	AccessEngine *_vm;
 
+	void loadRoomData(const byte *roomData);
 	void setupRoom();
 	void setWallCodes();
 	void buildScreen();
 
+	virtual void loadRoom(int roomNumber) = 0;
+
 	virtual void reloadRoom() = 0;
 
 	virtual void reloadRoom1() = 0;
@@ -56,8 +59,38 @@ public:
 	 * Clear all the data used by the room
 	 */
 	void clearRoom();
+};
+
+struct FileIdent {
+	int _fileNum;
+	int _subfile;
+};
 
-	void loadRoom(int room);
+struct CellIdent : FileIdent {
+	byte _cell;
+};
+
+class RoomInfo {
+public:
+	bool _roomFlag;
+	int _estIndex;
+	FileIdent _musicFile;
+	int _scaleH1;
+	int _scaleH2;
+	int _scaleN1;
+	FileIdent _playFieldFile;
+	Common::Array<CellIdent> _cells;
+	FileIdent _scriptFile;
+	FileIdent _animFile;
+	int _scaleI;
+	int _scrollThreshold;
+	FileIdent _paletteFile;
+	int _startColor;
+	int _numColors;
+	Common::Array<uint32> _vidTable;
+	Common::Array<FileIdent> _sounds;
+public:
+	RoomInfo(const byte *data);
 };
 
 } // End of namespace Access
diff --git a/engines/access/screen.cpp b/engines/access/screen.cpp
index 8dcc9f1db9..3823267bc0 100644
--- a/engines/access/screen.cpp
+++ b/engines/access/screen.cpp
@@ -26,6 +26,7 @@
 #include "common/textconsole.h"
 #include "common/system.h"
 #include "graphics/palette.h"
+#include "access/access.h"
 #include "access/screen.h"
 #include "access/resources.h"
 
@@ -42,6 +43,8 @@ Screen::Screen(AccessEngine *vm) : _vm(vm) {
 	_topSkip = _bottomSkip = 0;
 	_clipWidth = _clipHeight = 0;
 	_scrollFlag = false;
+	_scrollThreshold = 0;
+	_startColor = _numColors = 0;
 }
 
 void Screen::setDisplayScan() {
@@ -71,6 +74,12 @@ void Screen::loadPalette(Common::SeekableReadStream *stream) {
 	_loadPalFlag = true;
 }
 
+void Screen::loadPalette(int fileNum, int subfile) {
+	byte *palette = _vm->_files->loadFile(fileNum, subfile);
+	Common::copy(palette, palette + (_numColors * 3), &_rawPalette[_startColor * 3]);
+	delete[] palette;
+}
+
 void Screen::setPalette() {
 	g_system->getPaletteManager()->setPalette(&_rawPalette[0], 0, PALETTE_COUNT);
 }
diff --git a/engines/access/screen.h b/engines/access/screen.h
index 1b03d261cf..57d773504f 100644
--- a/engines/access/screen.h
+++ b/engines/access/screen.h
@@ -56,6 +56,8 @@ private:
 public:
 	bool _loadPalFlag;
 	bool _scrollFlag;
+	int _scrollThreshold;
+	int _startColor, _numColors;
 public:
 	Screen(AccessEngine *vm);
 
@@ -89,6 +91,8 @@ public:
 
 	void loadPalette(Common::SeekableReadStream *stream);
 
+	void loadPalette(int fileNum, int subfile);
+
 	void setPalette();
 
 	/**
diff --git a/engines/access/sound.cpp b/engines/access/sound.cpp
index 2f64465f8f..7ac0e4d558 100644
--- a/engines/access/sound.cpp
+++ b/engines/access/sound.cpp
@@ -34,6 +34,8 @@ SoundManager::SoundManager(AccessEngine *vm, Audio::Mixer *mixer) :
 		_soundTable[i]._data = nullptr;
 
 	_music = nullptr;
+	_midiSize = 0;
+	_musicRepeat = false;
 }
 
 SoundManager::~SoundManager() {
@@ -66,6 +68,14 @@ void SoundManager::playSound(byte *data, uint32 size) {
 		*/
 }
 
+void SoundManager::loadSounds(Common::Array<FileIdent> &sounds) {
+	// TODO
+}
+
+void SoundManager::midiPlay() {
+	// TODO
+}
+
 void SoundManager::midiRepeat() {
 	// TODO
 }
@@ -78,4 +88,9 @@ void SoundManager::freeSounds() {
 	// TODO
 }
 
+void SoundManager::freeMusic() {
+	delete[] _music;
+	_music = nullptr;
+}
+
 } // End of namespace Access
diff --git a/engines/access/sound.h b/engines/access/sound.h
index 37d263eecd..a127051b29 100644
--- a/engines/access/sound.h
+++ b/engines/access/sound.h
@@ -49,6 +49,9 @@ public:
 	SoundEntry _soundTable[MAX_SOUNDS];
 	int _soundPriority[MAX_SOUNDS];
 	byte *_music;
+	int _midiSize;
+	bool _musicRepeat;
+
 public:
 	SoundManager(AccessEngine *vm, Audio::Mixer *mixer);
 	~SoundManager();
@@ -57,11 +60,17 @@ public:
 
 	void playSound(int soundIndex);
 
+	void loadSounds(Common::Array<FileIdent> &sounds);
+
+	void midiPlay();
+
 	void midiRepeat();
 
 	void stopSong();
 
 	void freeSounds();
+
+	void freeMusic();
 };
 
 } // End of namespace Access
-- 
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