File: f_cd.c

package info (click to toggle)
fenix 0.92a.dfsg1-12
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 8,492 kB
  • sloc: ansic: 42,357; sh: 3,474; perl: 527; makefile: 180; cpp: 19
file content (274 lines) | stat: -rw-r--r-- 6,279 bytes parent folder | download | duplicates (4)
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
/*
 *  Fenix - Videogame compiler/interpreter
 *  Current release       : FENIX - PROJECT 1.0 - R 0.85
 *  Last stable release   :
 *  Project documentation : http://fenix.divsite.net
 *
 *
 *  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
 *
 *  Copyright � 1999 Jos� Luis Cebri�n Pag�e
 *  Copyright � 2002 Fenix Team
 *
 */

/*
 * FILE        : f_cd.c
 * DESCRIPTION : FXI functions for CD handling
 */

#include "fxi.h"

static SDL_CD * sdl_cd = NULL;
static int      sdl_cdnum = -1;

/**
   int CD_DRIVES()
   Returns the number of CD drives in the system
 **/

int fxi_cd_drives (INSTANCE * my, int * params)
{
	return SDL_CDNumDrives();
}

/**
   int CD_STATUS (int CD)
   Returns the status of a CD (using SDL constants)
 **/

int fxi_cd_status (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return SDL_CDStatus(sdl_cd);

}

/**
   string CD_NAME (int CD)
   Returns a human-readable string with the name of a CD drive
 **/

int fxi_cd_name (INSTANCE * my, int * params)
{
	int result;

	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	result = string_new(SDL_CDName(params[0]));
	string_use(result);
	return result;
}

/**
   CD_GETINFO(int CD)
   Fills the global structure CD with information about the current CD
   Returns 1 if there is a valid CD in the drive or 0 otherwise
 **/

int fxi_cd_getinfo (INSTANCE * my, int * params)
{
	int i, pos, total = 0;

	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	GLODWORD(CD_TRACKS) = sdl_cd->numtracks;
	GLODWORD(CD_TRACK)  = sdl_cd->cur_track;
	FRAMES_TO_MSF (sdl_cd->cur_frame, &GLODWORD(CD_MINUTE), &GLODWORD(CD_SECOND), &GLODWORD(CD_SUBFRAME));

	for (i = 0, pos = CD_TRACKINFO ; i < sdl_cd->numtracks ; i++, pos += 16)
	{
		total += sdl_cd->track[i].length;
		GLODWORD(pos) = (sdl_cd->track[i].type == SDL_AUDIO_TRACK);
		FRAMES_TO_MSF (sdl_cd->track[i].length, &GLODWORD(pos+4), &GLODWORD(pos+8), &GLODWORD(pos+12));
	}
	FRAMES_TO_MSF (total, &GLODWORD(CD_MINUTES), &GLODWORD(CD_SECONDS), &GLODWORD(CD_FRAMES));
	return 1;
}

/**
   CD_PLAY (int CD, int TRACK)
   Starts playing a track of the given CD
 **/

int fxi_cd_play (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	if (CD_INDRIVE(SDL_CDStatus(sdl_cd)))
		return !SDL_CDPlayTracks(sdl_cd, params[1], 0, 1, 0);
	return 0;
}

/**
   CD_PLAY (int CD, int TRACK, int NUMTRACKS)
   Plays a series of tracks of the CD
 **/

int fxi_cd_playtracks (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	if (CD_INDRIVE(SDL_CDStatus(sdl_cd)))
		return !SDL_CDPlayTracks(sdl_cd, params[1], 0, params[2], 0);
	return 0;
}

/**
   CD_EJECT (int CD)
   Ejects a CD
 **/

int fxi_cd_eject (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return !SDL_CDEject(sdl_cd);
}

/**
   CD_PAUSE (int CD)
   Pauses the CD playing
 **/

int fxi_cd_pause (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return !SDL_CDPause(sdl_cd);
}

/**
   CD_RESUME (int CD)
   Resumes a CD in pause
 **/

int fxi_cd_resume (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return !SDL_CDResume(sdl_cd);
}

/**
   CD_STOP (int CD)
   Stops the CD
 **/

int fxi_cd_stop (INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return !SDL_CDStop(sdl_cd);
}

/*
int fxi_cd_numtracks(INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return sdl_cd->numtracks;
}


int fxi_cd_getcurtrack(INSTANCE * my, int * params)
{
	if (params[0] < 0 || params[0] >= SDL_CDNumDrives()) return 0;

	if (sdl_cd == NULL || sdl_cdnum != params[0])
	{
		if (sdl_cd) SDL_CDClose(sdl_cd);
		sdl_cd = SDL_CDOpen(params[0]);
		if (sdl_cd == NULL) return 0;
		sdl_cdnum = params[0];
	}

	return sdl_cd->cur_track;
}
*/