aboutsummaryrefslogtreecommitdiff
path: root/common/engine.cpp
blob: 6227cb919493e1079e4c2309c1e468c493c2f25a (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
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002 The ScummVM project
 *
 * 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 "engine.h"
#include "gameDetector.h"
#include "config-file.h"
#include "scumm/scumm.h"
#include "simon/simon.h"
#include "sound/mixer.h"

/* FIXME - BIG HACK for MidiEmu */
OSystem *g_system = 0;
SoundMixer *g_mixer = 0;

Engine::Engine(GameDetector *detector, OSystem *syst)
	: _system(syst)
{
	_mixer = new SoundMixer();

	_gameDataPath = detector->_gameDataPath;

	/* FIXME - BIG HACK for MidiEmu */
	g_system = _system;
	g_mixer = _mixer;
	_timer = new Timer(this);
	_timer->init();
}

Engine::~Engine()
{
	delete _mixer;
	delete _timer;
}

const char *Engine::getSavePath() const
{
	const char *dir = NULL;

#ifdef _WIN32_WCE
	dir = _gameDataPath;
#else

#if !defined(MACOS_CARBON)
	dir = getenv("SCUMMVM_SAVEPATH");
#endif

	// If SCUMMVM_SAVEPATH was not specified, try to use game specific savepath from config
	if (!dir || dir[0] == 0)
		dir = g_config->get("savepath");

	// If SCUMMVM_SAVEPATH was not specified, try to use general path from config
	if (!dir || dir[0] == 0)
		dir = g_config->get("savepath", "scummvm");

	// If no save path was specified, use no directory prefix
	if (dir == NULL)
		dir = "";
#endif

	return dir;
}

Engine *Engine::createFromDetector(GameDetector *detector, OSystem *syst)
{
	Engine *engine;

	if (detector->_gameId >= GID_SIMON_FIRST && detector->_gameId <= GID_SIMON_LAST) {
		// Simon the Sorcerer
		detector->_gameId -= GID_SIMON_FIRST;
		engine = new SimonState(detector, syst);
	} else {
		// Some kind of Scumm game
		if (detector->_features & GF_OLD_BUNDLE)
			engine = new Scumm_v2(detector, syst);
		else if (detector->_features & GF_OLD256)
			engine = new Scumm_v3(detector, syst);
		else if (detector->_features & GF_SMALL_HEADER)	// this force loomCD as v4
			engine = new Scumm_v4(detector, syst);
		else if (detector->_features & GF_AFTER_V7)
			engine = new Scumm_v7(detector, syst);
		else if (detector->_features & GF_AFTER_V6)	// this force SamnmaxCD as v6
			engine = new Scumm_v6(detector, syst);
		else
			engine = new Scumm_v5(detector, syst);
	}

	return engine;
}

void CDECL warning(const char *s, ...)
{
	char buf[1024];
	va_list va;

	va_start(va, s);
	vsprintf(buf, s, va);
	va_end(va);

	fprintf(stderr, "WARNING: %s!\n", buf);
#if defined( USE_WINDBG )
	sprintf(&buf[strlen(buf)], "\n");
	OutputDebugString(buf);
#endif
}

uint16 _debugLevel = 1;

void CDECL debug(int level, const char *s, ...)
{
	char buf[1024];
	va_list va;

	if (level > _debugLevel)
		return;

	va_start(va, s);
	vsprintf(buf, s, va);
	va_end(va);
	printf("%s\n", buf);

#if defined( USE_WINDBG )
	sprintf(&buf[strlen(buf)], "\n");
	OutputDebugString(buf);
#endif

	fflush(stdout);
}

void checkHeap()
{
#if defined(WIN32)
	if (_heapchk() != _HEAPOK) {
		error("Heap is invalid!");
	}
#endif
}