An early WIP of PreAGI (TrollVM) support

svn-id: r28787

1 files changed, 275 insertions, 0 deletions

diff --git a/engines/agi/preagi.cpp b/engines/agi/preagi.cpp
new file mode 100644
index 0000000000..f24fbcd294
--- /dev/null
+++ b/engines/agi/preagi.cpp
@@ -0,0 +1,275 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/stdafx.h"
+
+#include "common/events.h"
+#include "common/file.h"
+#include "common/savefile.h"
+#include "common/config-manager.h"
+
+#include "base/plugins.h"
+#include "base/version.h"
+
+#include "graphics/cursorman.h"
+
+#include "sound/mididrv.h"
+#include "sound/mixer.h"
+
+#include "agi/agi.h"
+#include "agi/graphics.h"
+#include "agi/sprite.h"
+#include "agi/opcodes.h"
+#include "agi/keyboard.h"
+#include "agi/menu.h"
+#include "agi/sound.h"
+
+// preagi engines
+#include "agi/preagi_mickey.h"
+
+namespace Agi {
+
+PreAgiEngine::PreAgiEngine(OSystem *syst) : AgiBase(syst) {
+
+	// Setup mixer
+	if (!_mixer->isReady()) {
+		warning("Sound initialization failed.");
+	}
+
+	_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
+	_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume"));
+
+/*
+	const GameSettings *g;
+
+	const char *gameid = ConfMan.get("gameid").c_str();
+	for (g = agiSettings; g->gameid; ++g)
+		if (!scumm_stricmp(g->gameid, gameid))
+			_gameId = g->id;
+*/
+
+	_rnd = new Common::RandomSource();
+
+	Common::addSpecialDebugLevel(kDebugLevelMain, "Main", "Generic debug level");
+	Common::addSpecialDebugLevel(kDebugLevelResources, "Resources", "Resources debugging");
+	Common::addSpecialDebugLevel(kDebugLevelSprites, "Sprites", "Sprites debugging");
+	Common::addSpecialDebugLevel(kDebugLevelInventory, "Inventory", "Inventory debugging");
+	Common::addSpecialDebugLevel(kDebugLevelInput, "Input", "Input events debugging");
+	Common::addSpecialDebugLevel(kDebugLevelMenu, "Menu", "Menu debugging");
+	Common::addSpecialDebugLevel(kDebugLevelScripts, "Scripts", "Scripts debugging");
+	Common::addSpecialDebugLevel(kDebugLevelSound, "Sound", "Sound debugging");
+	Common::addSpecialDebugLevel(kDebugLevelText, "Text", "Text output debugging");
+	Common::addSpecialDebugLevel(kDebugLevelSavegame, "Savegame", "Saving & restoring game debugging");
+
+	memset(&_game, 0, sizeof(struct AgiGame));
+	memset(&_debug, 0, sizeof(struct AgiDebug));
+	memset(&g_mouse, 0, sizeof(struct Mouse));
+
+/*
+	_game.clockEnabled = false;
+	_game.state = STATE_INIT;
+
+	_keyQueueStart = 0;
+	_keyQueueEnd = 0;
+
+	_keyControl = 0;
+	_keyAlt = 0;
+
+	_allowSynthetic = false;
+
+	g_tickTimer = 0;
+
+	_intobj = NULL;
+
+	_stackSize = 0;
+	_imageStack = NULL;
+	_imageStackPointer = 0;
+
+	_menu = NULL;
+
+	_lastSentence[0] = 0;
+	memset(&_stringdata, 0, sizeof(struct StringData));
+
+	_objects = NULL;
+
+	_oldMode = -1;
+	
+	_predictiveDialogRunning = false;
+	_predictiveDictText = NULL;
+	_predictiveDictLine = NULL;
+	_predictiveDictLineCount = 0;
+	_firstSlot = 0;
+*/
+}
+
+void PreAgiEngine::initialize() {
+	// TODO: Some sound emulation modes do not fit our current music
+	//       drivers, and I'm not sure what they are. For now, they might
+	//       as well be called "PC Speaker" and "Not PC Speaker".
+
+	// If used platform is Apple IIGS then we must use Apple IIGS sound emulation
+	// because Apple IIGS AGI games use only Apple IIGS specific sound resources.
+	/*
+	if (ConfMan.hasKey("platform") &&
+		Common::parsePlatform(ConfMan.get("platform")) == Common::kPlatformApple2GS) {
+		_soundemu = SOUND_EMU_APPLE2GS;
+	} else {
+		switch (MidiDriver::detectMusicDriver(MDT_PCSPK)) {
+		case MD_PCSPK:
+			_soundemu = SOUND_EMU_PC;
+			break;
+		default:
+			_soundemu = SOUND_EMU_NONE;
+			break;
+		}
+	}
+	*/
+
+	if (ConfMan.hasKey("render_mode")) {
+		_renderMode = Common::parseRenderMode(ConfMan.get("render_mode").c_str());
+	} else if (ConfMan.hasKey("platform")) {
+		switch (Common::parsePlatform(ConfMan.get("platform"))) {
+		case Common::kPlatformAmiga:
+			_renderMode = Common::kRenderAmiga;
+			break;
+		case Common::kPlatformPC:
+			_renderMode = Common::kRenderEGA;
+			break;
+		default:
+			_renderMode = Common::kRenderEGA;
+			break;
+		}
+	}
+
+	//_buttonStyle = AgiButtonStyle(_renderMode);
+	//_defaultButtonStyle = AgiButtonStyle();
+	//_console = new Console(this);
+	_gfx = new GfxMgr(this);
+	//_sound = new SoundMgr(this, _mixer);
+	_picture = new PictureMgr(this, _gfx);
+	//_sprites = new SpritesMgr(this, _gfx);
+
+	_gfx->initMachine();
+
+	_game.gameFlags = 0;
+
+	_game.colorFg = 15;
+	_game.colorBg = 0;
+
+	_game.name[0] = '\0';
+
+	_game.sbufOrig = (uint8 *)calloc(_WIDTH, _HEIGHT * 2); // Allocate space for two AGI screens vertically
+	_game.sbuf16c  = _game.sbufOrig + SBUF16_OFFSET; // Make sbuf16c point to the 16 color (+control line & priority info) AGI screen
+	_game.sbuf     = _game.sbuf16c; // Make sbuf point to the 16 color (+control line & priority info) AGI screen by default
+
+	_game.lineMinPrint = 1; // hardcoded
+
+	_gfx->initVideo();
+	//_sound->initSound();
+
+	//_timer->installTimerProc(agiTimerFunctionLow, 10 * 1000, NULL);
+
+	_game.ver = -1;		// Don't display the conf file warning
+
+	debugC(2, kDebugLevelMain, "Detect game");
+
+	_loader = new AgiLoader_preagi(this);
+
+	if (_loader->detectGame() == errOK) {
+		_game.state = STATE_LOADED;
+		debugC(2, kDebugLevelMain, "game loaded");
+	} else {
+		report("Could not open PreAGI game");
+	}
+
+	/* clear all resources and events */
+	for (int i = 0; i < MAX_DIRS; i++) {
+		//memset(&_game.views[i], 0, sizeof(struct AgiView));
+		memset(&_game.pictures[i], 0, sizeof(struct AgiPicture));
+		//memset(&_game.logics[i], 0, sizeof(struct AgiLogic));
+		//memset(&_game.sounds[i], 0, sizeof(class AgiSound *)); // _game.sounds contains pointers now
+		//memset(&_game.dirView[i], 0, sizeof(struct AgiDir));
+		memset(&_game.dirPic[i], 0, sizeof(struct AgiDir));
+		//memset(&_game.dirLogic[i], 0, sizeof(struct AgiDir));
+		//memset(&_game.dirSound[i], 0, sizeof(struct AgiDir));
+	}
+
+	// load resources
+	_loader->init();
+
+	debugC(2, kDebugLevelMain, "Init sound");
+}
+
+PreAgiEngine::~PreAgiEngine() {
+
+}
+
+int PreAgiEngine::init() {
+
+	// Detect game
+	if (!initGame()) {
+		GUIErrorMessage("No valid games were found in the specified directory.");
+		return -1;
+	}
+
+	// Initialize backend
+	_system->beginGFXTransaction();
+	initCommonGFX(false);
+	_system->initSize(320, 200);
+	_system->endGFXTransaction();
+
+	initialize();
+
+	_gfx->gfxSetPalette();
+
+	return 0;
+}
+
+int PreAgiEngine::go() {
+	// run preagi engine main loop
+	switch (getGameID()) {
+		case GID_MICKEY:
+			{
+				Mickey *mickey = new Mickey(this);
+				mickey->init();
+				mickey->run();
+			}
+			break;
+		default:
+			error("Unknown preagi engine");
+			break;
+	}		
+	return 0;
+}
+
+int PreAgiEngine::preAgiLoadResource(int r, int n) {
+	return _loader->loadResource(r, n);
+}
+
+int PreAgiEngine::preAgiUnloadResource(int r, int n) {
+	return _loader->unloadResource(r, n);
+}
+
+} // End of namespace Agi