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
|
/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001-2003 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 "gui/newgui.h"
#include "gui/launcher.h"
#include "gui/message.h"
Config *g_config = 0;
NewGui *g_gui = 0;
#if defined(QTOPIA)
// FIXME - why exactly is this needed?
extern "C" int main(int argc, char *argv[]);
#endif
#if defined(MACOSX) || defined(QTOPIA)
#include <SDL.h>
#elif !defined(__MORPHOS__) && !defined(__DC__)
#undef main
#endif
#if defined(UNIX)
#include <sys/param.h>
#ifndef MAXPATHLEN
#define MAXPATHLEN 256
#endif
#ifdef MACOSX
#define DEFAULT_CONFIG_FILE "Library/Preferences/ScummVM Preferences"
#else
#define DEFAULT_CONFIG_FILE ".scummvmrc"
#endif
#else
#define DEFAULT_CONFIG_FILE "scummvm.ini"
#endif
#if defined(UNIX)
#include <signal.h>
#ifndef SCUMM_NEED_ALIGNMENT
static void handle_errors(int sig_num) {
error("Your system does not support unaligned memory accesses. Please rebuild with SCUMM_NEED_ALIGNMENT ");
}
#endif
/* This function is here to test if the endianness / alignement compiled it is matching
with the one at run-time. */
static void do_memory_test(void) {
unsigned char test[8] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88 };
unsigned int value;
/* First test endianness */
#ifdef SCUMM_LITTLE_ENDIAN
if (*((int *) test) != 0x44332211) {
error("Compiled as LITTLE_ENDIAN on a big endian system. Please rebuild ");
}
value = 0x55443322;
#else
if (*((int *) test) != 0x11223344) {
error("Compiled as BIG_ENDIAN on a little endian system. Please rebuild ");
}
value = 0x22334455;
#endif
/* Then check if one really supports unaligned memory accesses */
#ifndef SCUMM_NEED_ALIGNMENT
signal(SIGBUS, handle_errors);
signal(SIGABRT, handle_errors);
signal(SIGSEGV, handle_errors);
if (*((unsigned int *) ((char *) test + 1)) != value) {
error("Your system does not support unaligned memory accesses. Please rebuild with SCUMM_NEED_ALIGNMENT ");
}
signal(SIGBUS, SIG_DFL);
signal(SIGABRT, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
#endif
}
#endif
static void launcherDialog(GameDetector &detector, OSystem *system) {
// FIXME - we need to call init_size() here so that we can display for example
// the launcher dialog. But the Engine object will also call it again (possibly
// with a different widht/height!9 However, this method is not for all OSystem
// implementations reentrant (it is so now for the SDL backend). Thus we need
// to fix all backends to support it, if they don't already.
system->init_size(320, 200);
// FIXME - mouse cursors are currently always set via 8 bit data.
// Thus for now we need to setup a dummy palette. On the long run, we might
// want to add a set_mouse_cursor_overlay() method to OSystem, which would serve
// two purposes:
// 1) allow for 16 bit mouse cursors in overlay mode
// 2) no need to backup & restore the mouse cursor before/after the overlay is shown
const byte dummy_palette[] = {
0, 0, 0, 0,
0, 0, 171, 0,
0, 171, 0, 0,
0, 171, 171, 0,
171, 0, 0, 0,
171, 0, 171, 0,
171, 87, 0, 0,
171, 171, 171, 0,
87, 87, 87, 0,
87, 87, 255, 0,
87, 255, 87, 0,
87, 255, 255, 0,
255, 87, 87, 0,
255, 87, 255, 0,
255, 255, 87, 0,
255, 255, 255, 0,
};
system->set_palette(dummy_palette, 0, 16);
// FIXME - hack we use because LauncherDialog accesses g_system
extern OSystem *g_system;
g_system = system;
LauncherDialog dlg(g_gui, detector);
dlg.runModal();
}
int main(int argc, char *argv[]) {
GameDetector detector;
OSystem::Property prop;
#if defined(UNIX)
/* On Unix, do a quick endian / alignement check before starting */
do_memory_test();
char scummhome[MAXPATHLEN];
if(getenv("HOME") != NULL)
sprintf(scummhome,"%s/%s", getenv("HOME"), DEFAULT_CONFIG_FILE);
else strcpy(scummhome,DEFAULT_CONFIG_FILE);
#else
char scummhome[256];
#if defined (WIN32) && !defined(_WIN32_WCE)
GetWindowsDirectory(scummhome, 256);
strcat(scummhome, "\\");
strcat(scummhome, DEFAULT_CONFIG_FILE);
#else
strcpy(scummhome, DEFAULT_CONFIG_FILE);
#endif
#endif
// Read the config file
g_config = new Config(scummhome, "scummvm");
g_config->set("versioninfo", SCUMMVM_VERSION);
// Parse the command line information
detector._saveconfig = false;
detector.updateconfig();
detector.parseCommandLine(argc, argv);
// Create the system object
OSystem *system = detector.createSystem();
// Set initial window caption
prop.caption = "ScummVM";
system->property(OSystem::PROP_SET_WINDOW_CAPTION, &prop);
// Create the GUI manager
g_gui = new NewGui(system);
// Unless a game was specified, show the launcher dialog
if (detector._gameFileName.isEmpty())
launcherDialog(detector, system);
// Verify the given game name
if (detector.detectMain()) {
system->quit();
return -1;
}
// Set the window caption to the game name
prop.caption = detector.getGameName().c_str();
system->property(OSystem::PROP_SET_WINDOW_CAPTION, &prop);
// Create the game engine
Engine *engine = Engine::createFromDetector(&detector, system);
// print a message if gameid is invalid
if (engine == NULL)
error("%s is an invalid target. Use the -z parameter to list targets\n",
detector._gameFileName.c_str());
// Run the game engine
engine->go();
// Free up memory
delete engine;
delete g_gui;
delete g_config;
// ...and quit (the return 0 should never be reached)
system->quit();
return 0;
}
void *operator new(size_t size) {
return calloc(size, 1);
}
void operator delete(void *ptr) {
free(ptr);
}
|
