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All kernel objects in code shared amongs targets (core, plugins, codecs) should be...
[kugel-rb.git] / apps / plugins / mikmod / load_uni.c
blob3140336b943fd2ff31092601b2f4a3483fc0d6fa
1 /* MikMod sound library
2 (c) 1998, 1999, 2000, 2001, 2002 Miodrag Vallat and others - see file
3 AUTHORS for complete list.
4
5 This library is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of
8 the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18 02111-1307, USA.
19 */
20
21 /*==============================================================================
22
23 $Id: load_uni.c,v 1.3 2005/04/07 19:57:38 realtech Exp $
24
25 UNIMOD (libmikmod's and APlayer's internal module format) loader
26
27 ==============================================================================*/
28
29 #ifdef HAVE_CONFIG_H
30 #include "config.h"
31 #endif
32
33 #ifdef HAVE_UNISTD_H
34 #include <unistd.h>
35 #endif
36
37 #include <stdio.h>
38 #ifdef HAVE_MEMORY_H
39 #include <memory.h>
40 #endif
41 #include <string.h>
42
43 #include "mikmod_internals.h"
44
45 #ifdef SUNOS
46 extern int fprintf(FILE *, const char *, ...);
47 #endif
48
49 /*========== Module structure */
50
51 typedef struct UNIHEADER {
52 CHAR id[4];
53 UBYTE numchn;
54 UWORD numpos;
55 UWORD reppos;
56 UWORD numpat;
57 UWORD numtrk;
58 UWORD numins;
59 UWORD numsmp;
60 UBYTE initspeed;
61 UBYTE inittempo;
62 UBYTE initvolume;
63 UWORD flags;
64 UBYTE numvoices;
65 UWORD bpmlimit;
66
67 UBYTE positions[256];
68 UBYTE panning[32];
69 } UNIHEADER;
70
71 typedef struct UNISMP05 {
72 UWORD c2spd;
73 UWORD transpose;
74 UBYTE volume;
75 UBYTE panning;
76 ULONG length;
77 ULONG loopstart;
78 ULONG loopend;
79 UWORD flags;
80 CHAR* samplename;
81 UBYTE vibtype;
82 UBYTE vibsweep;
83 UBYTE vibdepth;
84 UBYTE vibrate;
85 } UNISMP05;
86
87 /*========== Loader variables */
88
89 static UWORD universion;
90 static UNIHEADER mh;
91
92 #define UNI_SMPINCR 64
93 static UNISMP05 *wh=NULL,*s=NULL;
94
95 /*========== Loader code */
96
97 static char* readstring(void)
98 {
99 char *s=NULL;
100 UWORD len;
101
102 len=_mm_read_I_UWORD(modreader);
103 if(len) {
104 s=MikMod_malloc(len+1);
105 _mm_read_UBYTES(s,len,modreader);
106 s[len]=0;
107 }
108 return s;
109 }
110
111 int UNI_Test(void)
112 {
113 char id[6];
114
115 if(!_mm_read_UBYTES(id,6,modreader)) return 0;
116
117 /* UNIMod created by MikCvt */
118 if(!(memcmp(id,"UN0",3))) {
119 if((id[3]>='4')&&(id[3]<='6')) return 1;
120 }
121 /* UNIMod created by APlayer */
122 if(!(memcmp(id,"APUN\01",5))) {
123 if((id[5]>=1)&&(id[5]<=6)) return 1;
124 }
125 return 0;
126 }
127
128 int UNI_Init(void)
129 {
130 return 1;
131 }
132
133 void UNI_Cleanup(void)
134 {
135 MikMod_free(wh);
136 s=NULL;
137 }
138
139 static UBYTE* readtrack(void)
140 {
141 UBYTE *t;
142 UWORD len;
143 int cur=0,chunk;
144
145 if(universion>=6)
146 len=_mm_read_M_UWORD(modreader);
147 else
148 len=_mm_read_I_UWORD(modreader);
149
150 if(!len) return NULL;
151 if(!(t=MikMod_malloc(len))) return NULL;
152 _mm_read_UBYTES(t,len,modreader);
153
154 /* Check if the track is correct */
155 while(1) {
156 chunk=t[cur++];
157 if(!chunk) break;
158 chunk=(chunk&0x1f)-1;
159 while(chunk>0) {
160 int opcode,oplen;
161
162 if(cur>=len) {
163 MikMod_free(t);
164 return NULL;
165 }
166 opcode=t[cur];
167
168 /* Remap opcodes */
169 if (universion <= 5) {
170 if (opcode > 29) {
171 MikMod_free(t);
172 return NULL;
173 }
174 switch (opcode) {
175 /* UNI_NOTE .. UNI_S3MEFFECTQ are the same */
176 case 25:
177 opcode = UNI_S3MEFFECTT;
178 break;
179 case 26:
180 opcode = UNI_XMEFFECTA;
181 break;
182 case 27:
183 opcode = UNI_XMEFFECTG;
184 break;
185 case 28:
186 opcode = UNI_XMEFFECTH;
187 break;
188 case 29:
189 opcode = UNI_XMEFFECTP;
190 break;
191 }
192 } else {
193 /* APlayer < 1.05 does not have XMEFFECT6 */
194 if (opcode >= UNI_XMEFFECT6 && universion < 0x105)
195 opcode++;
196 /* APlayer < 1.03 does not have ITEFFECTT */
197 if (opcode >= UNI_ITEFFECTT && universion < 0x103)
198 opcode++;
199 /* APlayer < 1.02 does not have ITEFFECTZ */
200 if (opcode >= UNI_ITEFFECTZ && universion < 0x102)
201 opcode++;
202 }
203
204 if((!opcode)||(opcode>=UNI_LAST)) {
205 MikMod_free(t);
206 return NULL;
207 }
208 t[cur]=opcode;
209 oplen=unioperands[opcode]+1;
210 cur+=oplen;
211 chunk-=oplen;
212 }
213 if((chunk<0)||(cur>=len)) {
214 MikMod_free(t);
215 return NULL;
216 }
217 }
218 return t;
219 }
220
221 static int loadsmp6(void)
222 {
223 int t;
224 SAMPLE *s;
225
226 s=of.samples;
227 for(t=0;t<of.numsmp;t++,s++) {
228 int flags;
229
230 flags = _mm_read_M_UWORD(modreader);
231 s->flags=0;
232 if(flags&0x0004) s->flags|=SF_STEREO;
233 if(flags&0x0002) s->flags|=SF_SIGNED;
234 if(flags&0x0001) s->flags|=SF_16BITS;
235 /* convert flags */
236 if(universion>=0x104) {
237 if(flags&0x2000) s->flags|=SF_UST_LOOP;
238 if(flags&0x1000) s->flags|=SF_OWNPAN;
239 if(flags&0x0800) s->flags|=SF_SUSTAIN;
240 if(flags&0x0400) s->flags|=SF_REVERSE;
241 if(flags&0x0200) s->flags|=SF_BIDI;
242 if(flags&0x0100) s->flags|=SF_LOOP;
243 if(flags&0x0020) s->flags|=SF_ITPACKED;
244 if(flags&0x0010) s->flags|=SF_DELTA;
245 if(flags&0x0008) s->flags|=SF_BIG_ENDIAN;
246 } else if(universion>=0x102) {
247 if(flags&0x0800) s->flags|=SF_UST_LOOP;
248 if(flags&0x0400) s->flags|=SF_OWNPAN;
249 if(flags&0x0200) s->flags|=SF_SUSTAIN;
250 if(flags&0x0100) s->flags|=SF_REVERSE;
251 if(flags&0x0080) s->flags|=SF_BIDI;
252 if(flags&0x0040) s->flags|=SF_LOOP;
253 if(flags&0x0020) s->flags|=SF_ITPACKED;
254 if(flags&0x0010) s->flags|=SF_DELTA;
255 if(flags&0x0008) s->flags|=SF_BIG_ENDIAN;
256 } else {
257 if(flags&0x400) s->flags|=SF_UST_LOOP;
258 if(flags&0x200) s->flags|=SF_OWNPAN;
259 if(flags&0x100) s->flags|=SF_REVERSE;
260 if(flags&0x080) s->flags|=SF_SUSTAIN;
261 if(flags&0x040) s->flags|=SF_BIDI;
262 if(flags&0x020) s->flags|=SF_LOOP;
263 if(flags&0x010) s->flags|=SF_BIG_ENDIAN;
264 if(flags&0x008) s->flags|=SF_DELTA;
265 }
266
267 s->speed = _mm_read_M_ULONG(modreader);
268 s->volume = _mm_read_UBYTE(modreader);
269 s->panning = _mm_read_M_UWORD(modreader);
270 s->length = _mm_read_M_ULONG(modreader);
271 s->loopstart = _mm_read_M_ULONG(modreader);
272 s->loopend = _mm_read_M_ULONG(modreader);
273 s->susbegin = _mm_read_M_ULONG(modreader);
274 s->susend = _mm_read_M_ULONG(modreader);
275 s->globvol = _mm_read_UBYTE(modreader);
276 s->vibflags = _mm_read_UBYTE(modreader);
277 s->vibtype = _mm_read_UBYTE(modreader);
278 s->vibsweep = _mm_read_UBYTE(modreader);
279 s->vibdepth = _mm_read_UBYTE(modreader);
280 s->vibrate = _mm_read_UBYTE(modreader);
281
282 s->samplename=readstring();
283
284 if(_mm_eof(modreader)) {
285 _mm_errno = MMERR_LOADING_SAMPLEINFO;
286 return 0;
287 }
288 }
289 return 1;
290 }
291
292 static int loadinstr6(void)
293 {
294 int t,w;
295 INSTRUMENT *i;
296
297 i=of.instruments;
298 for(t=0;t<of.numins;t++,i++) {
299 i->flags = _mm_read_UBYTE(modreader);
300 i->nnatype = _mm_read_UBYTE(modreader);
301 i->dca = _mm_read_UBYTE(modreader);
302 i->dct = _mm_read_UBYTE(modreader);
303 i->globvol = _mm_read_UBYTE(modreader);
304 i->panning = _mm_read_M_UWORD(modreader);
305 i->pitpansep = _mm_read_UBYTE(modreader);
306 i->pitpancenter = _mm_read_UBYTE(modreader);
307 i->rvolvar = _mm_read_UBYTE(modreader);
308 i->rpanvar = _mm_read_UBYTE(modreader);
309 i->volfade = _mm_read_M_UWORD(modreader);
310
311 #if defined __STDC__ || defined _MSC_VER || defined MPW_C
312 #define UNI_LoadEnvelope6(name) \
313 i-> name##flg=_mm_read_UBYTE(modreader); \
314 i-> name##pts=_mm_read_UBYTE(modreader); \
315 i-> name##susbeg=_mm_read_UBYTE(modreader); \
316 i-> name##susend=_mm_read_UBYTE(modreader); \
317 i-> name##beg=_mm_read_UBYTE(modreader); \
318 i-> name##end=_mm_read_UBYTE(modreader); \
319 for(w=0;w<(universion>=0x100?32:i-> name##pts);w++) { \
320 i-> name##env[w].pos=_mm_read_M_SWORD(modreader); \
321 i-> name##env[w].val=_mm_read_M_SWORD(modreader); \
322 }
323 #else
324 #define UNI_LoadEnvelope6(name) \
325 i-> name/**/flg=_mm_read_UBYTE(modreader); \
326 i-> name/**/pts=_mm_read_UBYTE(modreader); \
327 i-> name/**/susbeg=_mm_read_UBYTE(modreader); \
328 i-> name/**/susend=_mm_read_UBYTE(modreader); \
329 i-> name/**/beg=_mm_read_UBYTE(modreader); \
330 i-> name/**/end=_mm_read_UBYTE(modreader); \
331 for (w=0;w<(universion>=0x100?32:i-> name/**/pts);w++) { \
332 i-> name/**/env[w].pos=_mm_read_M_SWORD(modreader); \
333 i-> name/**/env[w].val=_mm_read_M_SWORD(modreader); \
334 }
335 #endif
336
337 UNI_LoadEnvelope6(vol);
338 UNI_LoadEnvelope6(pan);
339 UNI_LoadEnvelope6(pit);
340 #undef UNI_LoadEnvelope6
341
342 if(universion>=0x103)
343 _mm_read_M_UWORDS(i->samplenumber,120,modreader);
344 else
345 for(w=0;w<120;w++)
346 i->samplenumber[w]=_mm_read_UBYTE(modreader);
347 _mm_read_UBYTES(i->samplenote,120,modreader);
348
349 i->insname=readstring();
350
351 if(_mm_eof(modreader)) {
352 _mm_errno = MMERR_LOADING_SAMPLEINFO;
353 return 0;
354 }
355 }
356 return 1;
357 }
358
359 static int loadinstr5(void)
360 {
361 INSTRUMENT *i;
362 int t;
363 UWORD wavcnt=0;
364 UBYTE vibtype,vibsweep,vibdepth,vibrate;
365
366 i=of.instruments;
367 for(of.numsmp=t=0;t<of.numins;t++,i++) {
368 int u,numsmp;
369
370 numsmp=_mm_read_UBYTE(modreader);
371
372 memset(i->samplenumber,0xff,INSTNOTES*sizeof(UWORD));
373 for(u=0;u<96;u++)
374 i->samplenumber[u]=of.numsmp+_mm_read_UBYTE(modreader);
375
376 #if defined __STDC__ || defined _MSC_VER || defined MPW_C
377 #define UNI_LoadEnvelope5(name) \
378 i-> name##flg=_mm_read_UBYTE(modreader); \
379 i-> name##pts=_mm_read_UBYTE(modreader); \
380 i-> name##susbeg=_mm_read_UBYTE(modreader); \
381 i-> name##susend=i-> name##susbeg; \
382 i-> name##beg=_mm_read_UBYTE(modreader); \
383 i-> name##end=_mm_read_UBYTE(modreader); \
384 for(u=0;u<12;u++) { \
385 i-> name##env[u].pos=_mm_read_I_SWORD(modreader); \
386 i-> name##env[u].val=_mm_read_I_SWORD(modreader); \
387 }
388 #else
389 #define UNI_LoadEnvelope5(name) \
390 i-> name/**/flg=_mm_read_UBYTE(modreader); \
391 i-> name/**/pts=_mm_read_UBYTE(modreader); \
392 i-> name/**/susbeg=_mm_read_UBYTE(modreader); \
393 i-> name/**/susend=i-> name/**/susbeg; \
394 i-> name/**/beg=_mm_read_UBYTE(modreader); \
395 i-> name/**/end=_mm_read_UBYTE(modreader); \
396 for(u=0;u<12;u++) { \
397 i-> name/**/env[u].pos=_mm_read_I_SWORD(modreader); \
398 i-> name/**/env[u].val=_mm_read_I_SWORD(modreader); \
399 }
400 #endif
401
402 UNI_LoadEnvelope5(vol);
403 UNI_LoadEnvelope5(pan);
404 #undef UNI_LoadEnvelope5
405
406 vibtype =_mm_read_UBYTE(modreader);
407 vibsweep =_mm_read_UBYTE(modreader);
408 vibdepth =_mm_read_UBYTE(modreader);
409 vibrate =_mm_read_UBYTE(modreader);
410
411 i->volfade=_mm_read_I_UWORD(modreader);
412 i->insname=readstring();
413
414 for(u=0;u<numsmp;u++,s++,of.numsmp++) {
415 /* Allocate more room for sample information if necessary */
416 if(of.numsmp+u==wavcnt) {
417 wavcnt+=UNI_SMPINCR;
418 if(!(wh=MikMod_realloc(wh,wavcnt*sizeof(UNISMP05)))) {
419 _mm_errno=MMERR_OUT_OF_MEMORY;
420 return 0;
421 }
422 s=wh+(wavcnt-UNI_SMPINCR);
423 }
424
425 s->c2spd =_mm_read_I_UWORD(modreader);
426 s->transpose=_mm_read_SBYTE(modreader);
427 s->volume =_mm_read_UBYTE(modreader);
428 s->panning =_mm_read_UBYTE(modreader);
429 s->length =_mm_read_I_ULONG(modreader);
430 s->loopstart=_mm_read_I_ULONG(modreader);
431 s->loopend =_mm_read_I_ULONG(modreader);
432 s->flags =_mm_read_I_UWORD(modreader);
433 s->samplename=readstring();
434
435 s->vibtype =vibtype;
436 s->vibsweep=vibsweep;
437 s->vibdepth=vibdepth;
438 s->vibrate =vibrate;
439
440 if(_mm_eof(modreader)) {
441 MikMod_free(wh);wh=NULL;
442 _mm_errno=MMERR_LOADING_SAMPLEINFO;
443 return 0;
444 }
445 }
446 }
447
448 /* sanity check */
449 if(!of.numsmp) {
450 if(wh) { MikMod_free(wh);wh=NULL; }
451 _mm_errno=MMERR_LOADING_SAMPLEINFO;
452 return 0;
453 }
454 return 1;
455 }
456
457 static int loadsmp5(void)
458 {
459 int t,u;
460 SAMPLE *q;
461 INSTRUMENT *d;
462
463 q=of.samples;s=wh;
464 for(u=0;u<of.numsmp;u++,q++,s++) {
465 q->samplename=s->samplename;
466
467 q->length =s->length;
468 q->loopstart=s->loopstart;
469 q->loopend =s->loopend;
470 q->volume =s->volume;
471 q->speed =s->c2spd;
472 q->panning =s->panning;
473 q->vibtype =s->vibtype;
474 q->vibsweep =s->vibsweep;
475 q->vibdepth =s->vibdepth;
476 q->vibrate =s->vibrate;
477
478 /* convert flags */
479 q->flags=0;
480 if(s->flags&128) q->flags|=SF_REVERSE;
481 if(s->flags& 64) q->flags|=SF_SUSTAIN;
482 if(s->flags& 32) q->flags|=SF_BIDI;
483 if(s->flags& 16) q->flags|=SF_LOOP;
484 if(s->flags& 8) q->flags|=SF_BIG_ENDIAN;
485 if(s->flags& 4) q->flags|=SF_DELTA;
486 if(s->flags& 2) q->flags|=SF_SIGNED;
487 if(s->flags& 1) q->flags|=SF_16BITS;
488 }
489
490 d=of.instruments;s=wh;
491 for(u=0;u<of.numins;u++,d++)
492 for(t=0;t<INSTNOTES;t++)
493 d->samplenote[t]=(d->samplenumber[t]>=of.numsmp)?
494 255:(t+s[d->samplenumber[t]].transpose);
495
496 MikMod_free(wh);wh=NULL;
497
498 return 1;
499 }
500
501 int UNI_Load(int curious)
502 {
503 int t;
504 char *modtype,*oldtype=NULL;
505 INSTRUMENT *d;
506 SAMPLE *q;
507
508 /* read module header */
509 _mm_read_UBYTES(mh.id,4,modreader);
510 if(mh.id[3]!='N')
511 universion=mh.id[3]-'0';
512 else
513 universion=0x100;
514
515 if(universion>=6) {
516 if (universion==6)
517 _mm_read_UBYTE(modreader);
518 else
519 universion=_mm_read_M_UWORD(modreader);
520
521 mh.flags =_mm_read_M_UWORD(modreader);
522 mh.numchn =_mm_read_UBYTE(modreader);
523 mh.numvoices =_mm_read_UBYTE(modreader);
524 mh.numpos =_mm_read_M_UWORD(modreader);
525 mh.numpat =_mm_read_M_UWORD(modreader);
526 mh.numtrk =_mm_read_M_UWORD(modreader);
527 mh.numins =_mm_read_M_UWORD(modreader);
528 mh.numsmp =_mm_read_M_UWORD(modreader);
529 mh.reppos =_mm_read_M_UWORD(modreader);
530 mh.initspeed =_mm_read_UBYTE(modreader);
531 mh.inittempo =_mm_read_UBYTE(modreader);
532 mh.initvolume=_mm_read_UBYTE(modreader);
533 /* I expect this to show up soon in APlayer 1.06 format */
534 if (universion >= 0x106)
535 mh.bpmlimit=_mm_read_M_UWORD(modreader);
536 else
537 mh.bpmlimit=32;
538
539 mh.flags &= UF_XMPERIODS | UF_LINEAR | UF_INST | UF_NNA;
540 mh.flags |= UF_PANNING;
541 } else {
542 mh.numchn =_mm_read_UBYTE(modreader);
543 mh.numpos =_mm_read_I_UWORD(modreader);
544 mh.reppos =(universion==5)?_mm_read_I_UWORD(modreader):0;
545 mh.numpat =_mm_read_I_UWORD(modreader);
546 mh.numtrk =_mm_read_I_UWORD(modreader);
547 mh.numins =_mm_read_I_UWORD(modreader);
548 mh.initspeed =_mm_read_UBYTE(modreader);
549 mh.inittempo =_mm_read_UBYTE(modreader);
550 _mm_read_UBYTES(mh.positions,256,modreader);
551 _mm_read_UBYTES(mh.panning,32,modreader);
552 mh.flags =_mm_read_UBYTE(modreader);
553 mh.bpmlimit =32;
554
555 mh.flags &= UF_XMPERIODS | UF_LINEAR;
556 mh.flags |= UF_INST | UF_NOWRAP | UF_PANNING;
557 }
558
559 /* set module parameters */
560 of.flags =mh.flags;
561 of.numchn =mh.numchn;
562 of.numpos =mh.numpos;
563 of.numpat =mh.numpat;
564 of.numtrk =mh.numtrk;
565 of.numins =mh.numins;
566 of.reppos =mh.reppos;
567 of.initspeed =mh.initspeed;
568 of.inittempo =mh.inittempo;
569 if(mh.bpmlimit)
570 of.bpmlimit=mh.bpmlimit;
571 else
572 /* be bug-compatible with older releases */
573 of.bpmlimit=32;
574
575 of.songname=readstring();
576 if(universion<0x102)
577 oldtype=readstring();
578 if(oldtype) {
579 size_t len=strlen(oldtype)+20;
580 if(!(modtype=MikMod_malloc(len))) return 0;
581 #ifdef HAVE_SNPRINTF
582 snprintf(modtype,len,"%s (was %s)",(universion>=0x100)?"APlayer":"MikCvt2",oldtype);
583 #else
584 sprintf(modtype,"%s (was %s)",(universion>=0x100)?"APlayer":"MikCvt2",oldtype);
585 #endif
586 } else {
587 if(!(modtype=MikMod_malloc(10))) return 0;
588 #ifdef HAVE_SNPRINTF
589 snprintf(modtype,10,"%s",(universion>=0x100)?"APlayer":"MikCvt3");
590 #else
591 sprintf(modtype,"%s",(universion>=0x100)?"APlayer":"MikCvt3");
592 #endif
593 }
594 of.modtype=StrDup(modtype);
595 MikMod_free(modtype);MikMod_free(oldtype);
596 of.comment=readstring();
597
598 if(universion>=6) {
599 of.numvoices=mh.numvoices;
600 of.initvolume=mh.initvolume;
601 }
602
603 if(_mm_eof(modreader)) {
604 _mm_errno=MMERR_LOADING_HEADER;
605 return 0;
606 }
607
608 /* positions */
609 if(!AllocPositions(of.numpos)) return 0;
610 if(universion>=6) {
611 if(universion>=0x100)
612 _mm_read_M_UWORDS(of.positions,of.numpos,modreader);
613 else
614 for(t=0;t<of.numpos;t++) of.positions[t]=_mm_read_UBYTE(modreader);
615 _mm_read_M_UWORDS(of.panning,of.numchn,modreader);
616 _mm_read_UBYTES(of.chanvol,of.numchn,modreader);
617 } else {
618 if((mh.numpos>256)||(mh.numchn>32)) {
619 _mm_errno=MMERR_LOADING_HEADER;
620 return 0;
621 }
622 for(t=0;t<of.numpos;t++) of.positions[t]=mh.positions[t];
623 for(t=0;t<of.numchn;t++) of.panning[t]=mh.panning[t];
624 }
625 /* convert the ``end of song'' pattern code if necessary */
626 if(universion<0x106)
627 for(t=0;t<of.numpos;t++)
628 if(of.positions[t]==255) of.positions[t]=LAST_PATTERN;
629
630 /* instruments and samples */
631 if(universion>=6) {
632 of.numsmp=mh.numsmp;
633 if(!AllocSamples()) return 0;
634 if(!loadsmp6()) return 0;
635
636 if(of.flags&UF_INST) {
637 if(!AllocInstruments()) return 0;
638 if(!loadinstr6()) return 0;
639 }
640 } else {
641 if(!AllocInstruments()) return 0;
642 if(!loadinstr5()) return 0;
643 if(!AllocSamples()) {
644 if(wh) { MikMod_free(wh);wh=NULL; }
645 return 0;
646 }
647 if(!loadsmp5()) return 0;
648
649 /* check if the original file had no instruments */
650 if(of.numsmp==of.numins) {
651 for(t=0,d=of.instruments;t<of.numins;t++,d++) {
652 int u;
653
654 if((d->volpts)||(d->panpts)||(d->globvol!=64)) break;
655 for(u=0;u<96;u++)
656 if((d->samplenumber[u]!=t)||(d->samplenote[u]!=u)) break;
657 if(u!=96) break;
658 }
659 if(t==of.numins) {
660 of.flags&=~UF_INST;
661 of.flags&=~UF_NOWRAP;
662 for(t=0,d=of.instruments,q=of.samples;t<of.numins;t++,d++,q++) {
663 q->samplename=d->insname;
664 d->insname=NULL;
665 }
666 }
667 }
668 }
669
670 /* patterns */
671 if(!AllocPatterns()) return 0;
672 if(universion>=6) {
673 _mm_read_M_UWORDS(of.pattrows,of.numpat,modreader);
674 _mm_read_M_UWORDS(of.patterns,of.numpat*of.numchn,modreader);
675 } else {
676 _mm_read_I_UWORDS(of.pattrows,of.numpat,modreader);
677 _mm_read_I_UWORDS(of.patterns,of.numpat*of.numchn,modreader);
678 }
679
680 /* tracks */
681 if(!AllocTracks()) return 0;
682 for(t=0;t<of.numtrk;t++)
683 if(!(of.tracks[t]=readtrack())) {
684 _mm_errno=MMERR_LOADING_TRACK;
685 return 0;
686 }
687
688 return 1;
689 }
690
691 CHAR *UNI_LoadTitle(void)
692 {
693 UBYTE ver;
694 int posit[3]={304,306,26};
695
696 _mm_fseek(modreader,3,SEEK_SET);
697 ver=_mm_read_UBYTE(modreader);
698 if(ver=='N') ver='6';
699
700 _mm_fseek(modreader,posit[ver-'4'],SEEK_SET);
701 return readstring();
702 }
703
704 /*========== Loader information */
705
706 MIKMODAPI MLOADER load_uni={
707 NULL,
708 "UNI",
709 "APUN (APlayer) and UNI (MikMod)",
710 UNI_Init,
711 UNI_Test,
712 UNI_Load,
713 UNI_Cleanup,
714 UNI_LoadTitle
715 };
716
717 /* ex:set ts=4: */
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