aboutsummaryrefslogtreecommitdiff
path: root/saga/saga.cpp
blob: 1c05086ebf9385adb704cf7041569f7ca58d5005 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2004 The ScummVM project
 *
 * The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */
#include "stdafx.h"

#include "base/gameDetector.h"
#include "base/plugins.h"
#include "backends/fs/fs.h"

#include "sound/mixer.h"
#include "common/file.h"
#include "common/config-manager.h"

#include "saga/saga.h"

#include "saga/gfx.h"
#include "saga/rscfile_mod.h"
#include "saga/render.h"
#include "saga/actor.h"
#include "saga/animation.h"
#include "saga/console.h"
#include "saga/cvar_mod.h"
#include "saga/events.h"
#include "saga/font.h"
#include "saga/game_mod.h"
#include "saga/game.h"
#include "saga/interface.h"
#include "saga/isomap.h"
#include "saga/script.h"
#include "saga/scene.h"
#include "saga/sdata.h"
#include "saga/sndres.h"
#include "saga/sprite.h"
#include "saga/sound.h"
#include "saga/music.h"
#include "saga/game_mod.h"
#include "saga/palanim.h"

static const GameSettings saga_games[] = {
	{"ite", "Inherit the Earth", 0},
	{"ite-demo", "Inherit the Earth (Demo)",  0},
	{"ihnm", "I Have No Mouth and I Must Scream", 0 },
	{"ihnm-demo", "I Have No Mouth and I Must Scream (Demo)", 0 },
	{0, 0, 0}
};

GameList Engine_SAGA_gameList() {
	GameList games;
	const GameSettings *g = saga_games;

	while (g->name) {
		games.push_back(*g);
		g++;
	}

	return games;
}

DetectedGameList Engine_SAGA_detectGames(const FSList &fslist) {
	return Saga::GAME_ProbeGame(fslist);
}

Engine *Engine_SAGA_create(GameDetector *detector, OSystem *syst) {
	return new Saga::SagaEngine(detector, syst);
}

REGISTER_PLUGIN("SAGA Engine", Engine_SAGA_gameList, Engine_SAGA_create, Engine_SAGA_detectGames)

namespace Saga {

#define MAX_TIME_DELTA 100

static void CF_quitfunc(int argc, char *argv[], void *refCon);
static void CF_testfunc(int argc, char *argv[], void *refCon);

SagaEngine *_vm = NULL;

SagaEngine::SagaEngine(GameDetector *detector, OSystem *syst)
	: Engine(syst) {

	// The Linux version of Inherit the Earth puts all data files in an
	// 'itedata' sub-directory, except for voices.rsc
	File::addDefaultDirectory(_gameDataPath + "itedata/");

	// The Windows version of Inherit the Earth puts various data files in
	// other subdirectories.
	File::addDefaultDirectory(_gameDataPath + "graphics/");
	File::addDefaultDirectory(_gameDataPath + "music/");
	File::addDefaultDirectory(_gameDataPath + "sound/");

	// Setup mixer
	if (!_mixer->isReady()) {
		warning("Sound initialization failed.");
	}

	_mixer->setVolume(ConfMan.getInt("sfx_volume") * ConfMan.getInt("master_volume") / 255);

	_vm = this;
}

SagaEngine::~SagaEngine() {
}

void SagaEngine::errorString(const char *buf1, char *buf2) {
	strcpy(buf2, buf1);
}

void SagaEngine::go() {
	int msec = 0;

	_soundEnabled = 1;
	_musicEnabled = 1;

	_console = new Console(this);

	CVAR_RegisterFunc(CF_testfunc, "testfunc", "foo [ optional foo ]", CVAR_NONE, 0, -1, this);

	CVAR_Register_I(&_soundEnabled, "sound", NULL, CVAR_CFG, 0, 1);

	CVAR_Register_I(&_musicEnabled, "music", NULL, CVAR_CFG, 0, 1);

	CVAR_RegisterFunc(CF_quitfunc, "quit", NULL, CVAR_NONE, 0, 0, this);

	// Add some default directories
	// Win32 demo & full game
	File::addDefaultDirectory("graphics");
	File::addDefaultDirectory("music");
	File::addDefaultDirectory("sound");

	// Linux demo
	File::addDefaultDirectory("itedata");

	// Mac demos & full game
	File::addDefaultDirectory("patch");

	// Process command line

	// Detect game and open resource files
	if (GAME_Init() != SUCCESS) {
		return;
	}

	// Initialize engine modules
	_sndRes = new SndRes(this);
	_events = new Events(this);
	_font = new Font(this);
	_sprite = new Sprite(this);
	_anim = new Anim(this);
	_script = new Script();
	_sdata = new SData();
	_interface = new Interface(this); // requires script module
	_actor = new Actor(this);
	_palanim = new PalAnim(this);
	_scene = new Scene(this);

	if (!_scene->initialized()) {
		warning("Couldn't initialize scene module");
		return;
	}

	// System initialization

	_previousTicks = _system->getMillis();

	// Initialize graphics
	GAME_DISPLAYINFO disp_info;
	GAME_GetDisplayInfo(&disp_info);
	_gfx = new Gfx(_system, disp_info.logical_w, disp_info.logical_h);

	// Graphics should be initialized before music
	int midiDriver = GameDetector::detectMusicDriver(MDT_NATIVE | MDT_ADLIB | MDT_PREFER_NATIVE);
	bool native_mt32 = (ConfMan.getBool("native_mt32") || (midiDriver == MD_MT32));

	MidiDriver *driver = GameDetector::createMidi(midiDriver);
	if (!driver)
		driver = MidiDriver_ADLIB_create(_mixer);
	else if (native_mt32)
		driver->property(MidiDriver::PROP_CHANNEL_MASK, 0x03FE);

	_music = new Music(_mixer, driver, _musicEnabled);
	_music->hasNativeMT32(native_mt32);

	if (midiDriver == MD_MT32)
		_music->setPassThrough(true);

	if (!_musicEnabled) {
		debug(0, "Music disabled.");
	}

	_isoMap = new IsoMap(_gfx);
	
	_render = new Render(this, _system);
	if (!_render->initialized()) {
		return;
	}

	// Initialize system specific sound
	_sound = new Sound(this, _mixer, _soundEnabled);
	if (!_soundEnabled) {
		debug(0, "Sound disabled.");
	}

	// Register engine modules
	_console->reg(); // Register console cvars first
	GAME_Register();
	_scene->reg();
	_actor->reg();
	_script->reg();
	_render->reg();
	_anim->reg();

	_previousTicks = _system->getMillis();

	_sprite->loadList(ITE_MAIN_SPRITES, &_mainSprites);

	// Begin Main Engine Loop

	_scene->startScene();
	uint32 currentTicks;

	for (;;) {
		if (_render->getFlags() & RF_RENDERPAUSE) {
			// Freeze time while paused
			_previousTicks = _system->getMillis();
		} else {
			currentTicks = _system->getMillis();
			// Timer has rolled over after 49 days
			if (currentTicks < _previousTicks)
				msec = 0;
			else {
				msec = currentTicks - _previousTicks;
				_previousTicks = currentTicks;
			}
			if (msec > MAX_TIME_DELTA) {
				msec = MAX_TIME_DELTA;
			}
			_actor->direct(msec);
			_events->handleEvents(msec);
			_script->SThreadExecThreads(msec);
		}
		// Per frame processing
		_render->drawScene();
		_system->delayMillis(10);
	}
}

void SagaEngine::shutdown() {
	delete _scene;
	delete _actor;
	delete _script;
	delete _sprite;
	delete _font;
	delete _console;
	CVAR_Shutdown();
	delete _events;
	delete _palanim;

	delete _interface;
	delete _render;
	delete _isoMap;
	delete _sndRes;
	delete _sdata;
	// Shutdown system modules */
	delete _music;
	delete _sound;
	delete _anim;

	_system->quit();
}

static void CF_quitfunc(int argc, char *argv[], void *refCon) {
	((SagaEngine *)refCon)->shutdown();
	exit(0);
}

static void CF_testfunc(int argc, char *argv[], void *refCon) {
	int i;

	_vm->_console->print("Test function invoked: Got %d arguments.", argc);

	for (i = 0; i < argc; i++) {
		_vm->_console->print("Arg %d: %s", i, argv[i]);
	}
}

} // End of namespace Saga