Mercurial > hg > dmlib
annotate minijss/jloadxm.c @ 1176:afdbf62ce8ad
Revamp instrument sample loading somewhat.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 05 Mar 2015 09:57:02 +0200 |
| parents | 165c673ee012 |
| children | dc26df8b642c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * miniJSS - Fast Tracker ][ (XM) module loader | |
| 3 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 1125 | 4 * (C) Copyright 2006-2015 Tecnic Software productions (TNSP) |
| 0 | 5 * |
| 6 * TO DO: | |
| 7 * - Add support for 1.02/1.03 XM-format versions. | |
| 8 * (Not very useful, but if it's not too hard, then do it) | |
| 9 */ | |
| 10 #include "jssmod.h" | |
| 11 | |
| 12 | |
| 13 /* XM value limit definitions | |
| 14 */ | |
| 15 #define XM_MaxChannels (32) | |
| 16 #define XM_MaxPatterns (256) | |
| 17 #define XM_MaxOrders (255) | |
| 18 #define XM_MaxInstruments (128) | |
| 19 #define XM_MaxInstSamples (16) | |
| 20 #define XM_MaxEnvPoints (12) | |
| 21 #define XM_MaxNotes (96) | |
| 22 #define XM_MaxSampleVolume (64) | |
|
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23 #define XM_HeaderSize 276 |
| 0 | 24 |
| 1174 | 25 |
| 0 | 26 /* XM format structures |
| 27 */ | |
| 28 typedef struct | |
| 29 { | |
| 30 char idMagic[17]; // XM header ID "Extended Module: " | |
| 31 char songName[20]; // Module song name | |
| 32 Uint8 unUsed1A; // ALWAYS 0x1a | |
| 33 char trackerName[20]; // ID-string of tracker software | |
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34 Uint16 version; // XM-version tag |
| 0 | 35 Uint32 headSize; // Module header size, FROM THIS POINT! |
| 36 Uint16 norders, // Number of orders | |
| 37 defRestartPos, // Default song restart position | |
| 38 nchannels, // Number of channels | |
| 39 npatterns, // Number of patterns | |
| 40 ninstruments, // Number of instruments | |
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41 flags, // Module flags: |
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42 // bit0: 0 = Amiga frequency table |
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43 // 1 = Linear frequency table |
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44 // |
| 0 | 45 defSpeed, // Default speed |
| 46 defTempo; // Default tempo | |
| 47 Uint8 orderList[256]; // Order list | |
| 48 } XMHeader; | |
| 49 | |
| 50 | |
| 51 typedef struct | |
| 52 { | |
| 53 Uint32 headSize; // Instrument header size (see docs!) | |
| 54 char instName[22]; // Name/description | |
| 55 Uint8 instType; // Type | |
| 56 Uint16 nsamples; // Number of samples | |
| 57 } XMInstrument1; | |
| 58 | |
| 59 | |
| 60 typedef struct | |
| 61 { | |
| 62 Uint16 frame, value; | |
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63 } XMEnvPoint; |
| 0 | 64 |
| 65 | |
| 66 typedef struct | |
| 67 { | |
| 68 Uint8 flags, npoints, sustain, loopS, loopE; | |
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69 XMEnvPoint points[XM_MaxEnvPoints]; |
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70 } XMEnvelope; |
| 0 | 71 |
| 72 | |
| 73 typedef struct | |
| 74 { | |
| 75 Uint32 headSize; // Header size | |
| 76 Uint8 sNumForNotes[XM_MaxNotes]; // Sample numbers for notes | |
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77 XMEnvelope volumeEnv, panningEnv; |
| 0 | 78 Uint8 vibratoType, vibratoSweep, vibratoDepth, vibratoRate; |
| 79 | |
| 80 Uint16 fadeOut, ARESERVED; | |
| 81 } XMInstrument2; | |
| 82 | |
| 83 | |
| 84 typedef struct | |
| 85 { | |
| 86 Uint32 size, loopS, loopL; | |
| 87 Uint8 volume; | |
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88 Sint8 fineTune; |
| 0 | 89 Uint8 type, panning; |
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90 Sint8 relNote; |
| 0 | 91 Uint8 ARESERVED; |
| 92 char sampleName[22]; | |
| 93 } XMSample; | |
| 94 | |
| 95 | |
| 96 typedef struct | |
| 97 { | |
| 98 Uint32 headSize; | |
| 99 Uint8 packing; | |
| 100 Uint16 nrows, size; | |
| 101 } XMPattern; | |
| 102 | |
| 103 | |
| 104 | |
| 105 /* Unpack XM-format pattern from file-stream into JSS-pattern structure | |
| 106 */ | |
| 1148 | 107 #define JSGETBYTE(XV) \ |
| 108 do { \ | |
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109 size--; \ |
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110 if (size < 0) \ |
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111 JSSERROR(DMERR_OUT_OF_DATA, DMERR_OUT_OF_DATA, \ |
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112 "Unexpected end of packed pattern data.\n"); \ |
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113 XV = dmfgetc(inFile); \ |
| 0 | 114 } while (0) |
| 115 | |
| 116 | |
| 1148 | 117 /* Convert XM note value to internal JSS note |
| 118 */ | |
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119 static int jssXMConvertNote(int val) |
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120 { |
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121 if (val < 1 || val > 97) |
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122 return jsetNotSet; |
| 1148 | 123 else |
| 124 if (val == 97) | |
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125 return jsetNoteOff; |
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126 else |
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127 return val - 1; |
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128 } |
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129 |
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130 |
| 1148 | 131 /* Unpack a XM pattern structure from resource to given JSS pattern |
| 132 */ | |
| 0 | 133 static int jssXMUnpackPattern(DMResource *inFile, int size, JSSPattern *pattern) |
| 134 { | |
| 135 int packb, row, channel, tmp; | |
| 136 JSSNote *pnote; | |
| 137 assert(pattern != NULL); | |
| 138 | |
| 139 pnote = pattern->data; | |
| 140 | |
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141 for (row = 0; row < pattern->nrows && size > 0; row++) |
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142 for (channel = 0; channel < pattern->nchannels && size > 0; channel++) |
| 0 | 143 { |
| 144 JSGETBYTE(packb); | |
| 145 if (packb & 0x80) | |
| 146 { | |
| 147 if (packb & 0x01) | |
| 148 { | |
| 149 // PACK 0x01: Read note | |
| 150 JSGETBYTE(tmp); | |
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151 pnote->note = jssXMConvertNote(tmp); |
| 0 | 152 } |
| 153 | |
| 154 if (packb & 0x02) | |
| 155 { | |
| 156 // PACK 0x02: Read instrument | |
| 157 JSGETBYTE(tmp); | |
| 158 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; | |
| 159 } | |
| 160 | |
| 161 if (packb & 0x04) | |
| 162 { | |
| 163 // PACK 0x04: Read volume | |
| 164 JSGETBYTE(tmp); | |
| 165 pnote->volume = (tmp >= 0x10) ? tmp - 0x10 : jsetNotSet; | |
| 166 } | |
| 167 | |
| 168 if (packb & 0x08) | |
| 169 { | |
| 170 // PACK 0x08: Read effect | |
| 171 JSGETBYTE(pnote->effect); | |
| 172 pnote->param = 0; | |
| 173 } | |
| 174 | |
| 175 if (packb & 0x10) | |
| 176 { | |
| 177 // PACK 0x10: Read effect parameter | |
| 178 JSGETBYTE(pnote->param); | |
| 179 if (pnote->effect == jsetNotSet && pnote->param != 0) | |
| 180 pnote->effect = 0; | |
| 181 } | |
| 182 } | |
| 183 else | |
| 184 { | |
| 185 // All data available | |
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186 pnote->note = jssXMConvertNote(packb & 0x7f); |
| 0 | 187 |
| 188 // Get instrument | |
| 189 JSGETBYTE(tmp); | |
| 190 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; | |
| 191 | |
| 192 // Get volume | |
| 193 JSGETBYTE(tmp); | |
| 194 pnote->volume = (tmp >= 0x10) ? tmp - 0x10 : jsetNotSet; | |
| 195 | |
| 196 // Get effect | |
| 197 JSGETBYTE(pnote->effect); | |
| 198 | |
| 199 // Get parameter | |
| 200 JSGETBYTE(pnote->param); | |
| 201 if (pnote->effect == 0 && pnote->param == 0) | |
| 202 pnote->effect = pnote->param = jsetNotSet; | |
| 203 } | |
| 204 pnote++; | |
| 205 } | |
| 206 | |
| 207 // Check the state | |
| 208 if (size > 0) | |
| 209 { | |
| 210 // Some data left unparsed | |
| 211 JSSWARNING(DMERR_EXTRA_DATA, DMERR_EXTRA_DATA, | |
| 1162 | 212 "Unparsed data after pattern (%d bytes), possibly broken file.\n", |
| 213 size); | |
| 0 | 214 } |
| 215 | |
| 216 return DMERR_OK; | |
| 217 } | |
| 218 | |
| 219 | |
| 220 /* Convert XM envelope structure to JSS envelope structure | |
| 221 */ | |
| 1174 | 222 static int jssXMConvertEnvelope( |
| 223 JSSEnvelope *dst, XMEnvelope *src, | |
| 224 const char *name, const int ninstr) | |
| 0 | 225 { |
| 226 int i; | |
| 1148 | 227 (void) name; |
| 228 (void) ninstr; | |
| 0 | 229 |
| 230 // Convert envelope points | |
| 231 for (i = 0; i < XM_MaxEnvPoints; i++) | |
| 232 { | |
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233 dst->points[i].frame = src->points[i].frame; |
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234 dst->points[i].value = src->points[i].value; |
| 0 | 235 } |
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236 |
| 0 | 237 // Convert other values |
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238 dst->npoints = src->npoints; |
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239 dst->sustain = src->sustain; |
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240 dst->loopS = src->loopS; |
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241 dst->loopE = src->loopE; |
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242 |
| 0 | 243 // Check if the envelope is used |
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244 if (src->flags & 0x01) |
| 0 | 245 { |
| 246 // Convert envelope flags | |
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247 dst->flags = jenvfUsed; |
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248 if (src->flags & 0x02) |
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249 dst->flags |= jenvfSustain; |
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250 |
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251 if (src->flags & 0x04) |
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252 dst->flags |= jenvfLooped; |
| 0 | 253 |
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254 if (src->flags & 0xf0) |
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255 { |
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256 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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257 "Inst#%d/%s-env: Uses unsupported flags values, 0x%02x.\n", |
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258 ninstr, name, src->flags); |
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259 } |
| 0 | 260 |
| 261 // Check other values | |
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262 if (src->npoints > XM_MaxEnvPoints) |
| 0 | 263 { |
| 264 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
| 1174 | 265 "Inst#%d/%s-env: npoints > MAX, possibly broken file.\n", |
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266 ninstr, name); |
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267 dst->npoints = XM_MaxEnvPoints; |
| 0 | 268 } |
| 269 | |
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270 if ((dst->flags & jenvfSustain) && src->sustain > src->npoints) |
| 0 | 271 { |
| 272 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
| 1174 | 273 "Inst#%d/%s-env: sustain > npoints (%d > %d), possibly broken file.\n", |
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274 ninstr, name, src->sustain, src->npoints); |
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275 dst->sustain = src->npoints; |
| 0 | 276 } |
| 277 | |
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278 if ((dst->flags & jenvfLooped) && src->loopE > src->npoints) |
| 0 | 279 { |
| 280 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
| 1174 | 281 "Inst#%d/%s-env: loopE > npoints (%d > %d), possibly broken file.\n", |
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282 ninstr, name, src->loopE, src->npoints); |
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283 dst->loopE = src->npoints; |
| 0 | 284 } |
| 285 | |
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286 if ((dst->flags & jenvfLooped) && src->loopS > src->loopE) |
| 0 | 287 { |
| 288 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
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289 "Inst#%d/%s-env: loopS > loopE (%d > %d), possibly broken file.\n", |
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290 ninstr, name, src->loopS, src->loopE); |
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291 dst->loopS = src->loopE; |
| 0 | 292 } |
| 293 } | |
| 294 | |
| 295 return DMERR_OK; | |
| 296 } | |
| 297 | |
| 298 | |
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299 static int jssXMLoadSampleInstrument( |
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300 DMResource *inFile, JSSModule *module, |
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301 JSSExtInstrument *einst, int ninst, int nsample) |
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302 { |
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303 XMSample xmS; |
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304 JSSInstrument *inst; |
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305 |
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306 // Read header data |
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307 if (!dmf_read_le32(inFile, &xmS.size) || |
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308 !dmf_read_le32(inFile, &xmS.loopS) || |
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309 !dmf_read_le32(inFile, &xmS.loopL) || |
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310 !dmf_read_byte(inFile, &xmS.volume) || |
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311 !dmf_read_byte(inFile, (Uint8 *) &xmS.fineTune) || |
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312 !dmf_read_byte(inFile, &xmS.type) || |
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313 !dmf_read_byte(inFile, &xmS.panning) || |
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314 !dmf_read_byte(inFile, (Uint8 *) &xmS.relNote) || |
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315 !dmf_read_byte(inFile, &xmS.ARESERVED) || |
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316 !dmf_read_str(inFile, &xmS.sampleName, sizeof(xmS.sampleName))) |
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317 { |
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318 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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319 "Error reading instrument sample header #%d/%d [%d]", |
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320 ninst, nsample, module->ninstruments); |
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321 } |
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322 |
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323 if (xmS.size <= 0) |
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324 return DMERR_OK; |
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325 |
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326 // Allocate sample instrument |
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327 JSSDEBUG("Allocating sample #%d/%d [%d]\n", |
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328 ninst, nsample, module->ninstruments); |
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329 |
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330 einst->instConvTable[nsample] = module->ninstruments; |
|
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331 inst = module->instruments[module->ninstruments] = jssAllocateInstrument(); |
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332 if (inst == NULL) |
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333 { |
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334 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
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335 "Could not allocate sample #%d/%d [%d]\n", |
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336 ninst, nsample, module->ninstruments); |
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337 } |
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338 module->ninstruments++; |
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339 |
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340 // Copy values |
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341 if (xmS.volume > XM_MaxSampleVolume) |
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342 { |
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343 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
| 1162 | 344 "Samp #%d/%d: volume > MAX\n", ninst, nsample); |
|
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345 xmS.volume = XM_MaxSampleVolume; |
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346 } |
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347 |
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348 inst->volume = xmS.volume; |
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349 inst->ERelNote = xmS.relNote; |
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350 inst->EFineTune = xmS.fineTune; |
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351 inst->EPanning = xmS.panning; |
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352 #ifndef JSS_LIGHT |
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353 inst->desc = jssASCIItoStr(xmS.sampleName, 0, sizeof(xmS.sampleName)); |
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354 #endif |
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355 |
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356 // Convert flags |
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357 switch (xmS.type & 0x03) |
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358 { |
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359 case 0: inst->flags = 0; break; |
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360 case 1: inst->flags = jsfLooped; break; |
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361 default: |
|
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362 // Basically 2 is the value for bidi-loop, and |
|
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363 // 3 is undefined, but some module writers might've |
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364 // assumed that this is a bit-field, e.g. 1 | 2 = 3 |
|
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365 inst->flags = jsfLooped | jsfBiDi; break; |
|
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366 break; |
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367 } |
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368 |
|
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369 if (xmS.type & 0x10) |
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370 { |
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371 // 16-bit sample |
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372 JSFSET(inst->flags, jsf16bit); |
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373 inst->size = xmS.size / sizeof(Uint16); |
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374 inst->loopS = xmS.loopS / sizeof(Uint16); |
| 1174 | 375 inst->loopE = (xmS.loopS + xmS.loopL) / sizeof(Uint16); |
|
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376 } |
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377 else |
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378 { |
|
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379 // 8-bit sample |
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380 inst->size = xmS.size; |
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381 inst->loopS = xmS.loopS; |
| 1174 | 382 inst->loopE = xmS.loopS + xmS.loopL; |
|
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383 } |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
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|
384 |
|
1124
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385 if (xmS.loopL == 0) |
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386 { |
|
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387 // Always unset loop, if loop length is zero |
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388 JSFUNSET(inst->flags, jsfLooped); |
|
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389 } |
|
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390 |
|
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391 if (inst->flags & jsfLooped) |
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392 { |
|
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393 if (inst->loopS >= inst->size) |
|
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394 { |
|
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395 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
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396 "Samp #%d/%d: loopS >= size (%d >= %d)\n", |
|
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397 ninst, nsample, inst->loopS, inst->size); |
|
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398 JSFUNSET(inst->flags, jsfLooped); |
|
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399 } |
|
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|
400 |
|
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401 if (inst->loopE > inst->size) |
|
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402 { |
|
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403 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
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|
404 "Samp #%d/%d: loopE > size (%d > %d)\n", |
|
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405 ninst, nsample, inst->loopE, inst->size); |
|
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406 JSFUNSET(inst->flags, jsfLooped); |
|
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407 } |
|
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|
408 } |
|
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409 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
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diff
changeset
|
410 return DMERR_OK; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
411 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
412 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
413 |
| 1158 | 414 static int jssXMLoadSampleData(DMResource *inFile, JSSInstrument *inst, int ninst, int nsample) |
|
1130
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|
415 { |
|
725e7caa43a0
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parents:
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changeset
|
416 int ret; |
|
1157
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Clean up the sample data loading a bit.
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diff
changeset
|
417 size_t bsize; |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
418 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
419 JSSDEBUG("desc....: '%s'\n" |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
420 "size....: %d\n" |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
421 "loopS...: %d\n" |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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changeset
|
422 "loopE...: %d\n" |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
423 "volume..: %d\n" |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
424 "flags...: %x\n", |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
425 inst->desc, |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
426 inst->size, inst->loopS, inst->loopE, |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
427 inst->volume, inst->flags); |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
428 |
|
1157
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
429 // Allocate memory for sample data |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
1149
diff
changeset
|
430 bsize = (inst->flags & jsf16bit) ? sizeof(Uint16) : sizeof(Uint8); |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
431 bsize *= inst->size; |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
432 |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
433 if ((inst->data = dmMalloc(bsize)) == NULL) |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
1149
diff
changeset
|
434 { |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
435 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
436 "Could not allocate %d bytes of sample data for instrument/sample #%d/%d.\n", |
|
e13269e17422
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parents:
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diff
changeset
|
437 bsize, ninst, nsample); |
|
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Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
438 } |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
439 |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
440 // Read sampledata |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
441 if (dmfread(inst->data, sizeof(Uint8), bsize, inFile) != bsize) |
|
e13269e17422
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parents:
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diff
changeset
|
442 { |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
443 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
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Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
444 "Error reading sample data for instrument #%d/%d, %d bytes.\n", |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
445 ninst, nsample, bsize); |
|
e13269e17422
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parents:
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diff
changeset
|
446 } |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
1149
diff
changeset
|
447 |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
448 // Convert the sample data |
|
1130
725e7caa43a0
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diff
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|
449 if (inst->flags & jsf16bit) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
1127
diff
changeset
|
450 { |
|
1157
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
451 ret = jssDecodeSample16( |
|
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
452 (Uint16 *) inst->data, inst->size, |
|
1130
725e7caa43a0
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parents:
1127
diff
changeset
|
453 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
|
725e7caa43a0
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parents:
1127
diff
changeset
|
454 (jsampDelta | jsampSwapEndianess) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
455 #else |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
456 (jsampDelta) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
457 #endif |
|
1157
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
458 ); |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
459 } |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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diff
changeset
|
460 else |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
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changeset
|
461 { |
|
1157
e13269e17422
Clean up the sample data loading a bit.
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parents:
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diff
changeset
|
462 ret = jssDecodeSample8( |
|
e13269e17422
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parents:
1149
diff
changeset
|
463 (Uint8 *) inst->data, inst->size, |
|
e13269e17422
Clean up the sample data loading a bit.
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parents:
1149
diff
changeset
|
464 (jsampDelta | jsampFlipSign)); |
|
1130
725e7caa43a0
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diff
changeset
|
465 } |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
1175
diff
changeset
|
466 |
|
1157
e13269e17422
Clean up the sample data loading a bit.
Matti Hamalainen <ccr@tnsp.org>
parents:
1149
diff
changeset
|
467 return ret; |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
468 } |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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parents:
1127
diff
changeset
|
469 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
470 |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
471 static int jssXMLoadInstrumentSamples( |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
472 DMResource *inFile, JSSModule *module, |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
473 JSSExtInstrument *einst, int ninst) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
474 { |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
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1175
diff
changeset
|
475 int nsample, ret; |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
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diff
changeset
|
476 |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
477 for (nsample = 0; nsample < einst->nsamples; nsample++) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
1175
diff
changeset
|
478 if (einst->instConvTable[nsample] != jsetNotSet) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
479 { |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
480 JSSInstrument *inst = module->instruments[einst->instConvTable[nsample]]; |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
1175
diff
changeset
|
481 if ((ret = jssXMLoadSampleData(inFile, inst, ninst, nsample)) != DMERR_OK) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
1175
diff
changeset
|
482 return ret; |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
483 } |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
484 |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
485 return DMERR_OK; |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
486 } |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
487 |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
488 |
| 1132 | 489 static BOOL jssXMLoadEnvelopePoints(DMResource *inFile, XMEnvelope *env) |
|
1131
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
490 { |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
491 int i; |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
492 for (i = 0; i < XM_MaxEnvPoints; i++) |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
493 { |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
494 if (!dmf_read_le16(inFile, &(env->points[i].frame)) || |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
495 !dmf_read_le16(inFile, &(env->points[i].value))) |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
496 return FALSE; |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
497 } |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
498 return TRUE; |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
499 } |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
500 |
|
b349646f19a0
Split envelope reading to tiny helper function.
Matti Hamalainen <ccr@tnsp.org>
parents:
1130
diff
changeset
|
501 |
| 1132 | 502 static BOOL jssXMLoadEnvelopeData(DMResource *inFile, XMEnvelope *env) |
| 503 { | |
| 504 return | |
| 505 dmf_read_byte(inFile, &(env->sustain)) && | |
| 506 dmf_read_byte(inFile, &(env->loopS)) && | |
| 507 dmf_read_byte(inFile, &(env->loopE)); | |
| 508 } | |
| 509 | |
| 510 | |
| 0 | 511 /* Load XM-format extended instrument from file-stream into JSS module's given inst |
| 512 */ | |
| 513 static int jssXMLoadExtInstrument(DMResource *inFile, int ninst, JSSModule *module) | |
| 514 { | |
| 515 XMInstrument1 xmI1; | |
| 1126 | 516 off_t remainder, pos = dmftell(inFile); |
| 1175 | 517 JSSExtInstrument *einst; |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
518 XMInstrument2 xmI2; |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
519 int i, nsample, ret; |
| 0 | 520 |
| 521 // Get instrument header #1 | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
522 if (!dmf_read_le32(inFile, &xmI1.headSize) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
523 !dmf_read_str(inFile, &xmI1.instName, sizeof(xmI1.instName)) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
524 !dmf_read_byte(inFile, &xmI1.instType) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
525 !dmf_read_le16(inFile, &xmI1.nsamples)) |
|
1159
29dc9337fa11
Add a meaningful error message for instrument header read failure.
Matti Hamalainen <ccr@tnsp.org>
parents:
1158
diff
changeset
|
526 { |
|
29dc9337fa11
Add a meaningful error message for instrument header read failure.
Matti Hamalainen <ccr@tnsp.org>
parents:
1158
diff
changeset
|
527 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
29dc9337fa11
Add a meaningful error message for instrument header read failure.
Matti Hamalainen <ccr@tnsp.org>
parents:
1158
diff
changeset
|
528 "Failed to read primary extended instrument header #%d\n", ninst); |
|
29dc9337fa11
Add a meaningful error message for instrument header read failure.
Matti Hamalainen <ccr@tnsp.org>
parents:
1158
diff
changeset
|
529 } |
| 0 | 530 |
| 531 // If there are samples, there is header #2 | |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
532 if (xmI1.nsamples == 0) |
| 0 | 533 { |
| 534 // We may STILL need to skip extra data after 1st instr. header | |
| 535 remainder = xmI1.headSize - (dmftell(inFile) - pos); | |
| 536 if (remainder > 0) | |
| 537 { | |
| 98 | 538 JSSDEBUG("xmI1#2 Skipping: %li\n", remainder); |
| 0 | 539 dmfseek(inFile, remainder, SEEK_CUR); |
| 540 } | |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
541 return DMERR_OK; |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
542 } |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
543 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
544 // Allocate instrument |
| 1175 | 545 if ((einst = jssAllocateExtInstrument()) == NULL) |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
546 { |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
547 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
Matti Hamalainen <ccr@tnsp.org>
parents:
1127
diff
changeset
|
548 "Could not allocate extended instrument structure #%d\n", ninst); |
|
725e7caa43a0
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|
549 } |
|
725e7caa43a0
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|
550 |
| 1175 | 551 module->extInstruments[ninst] = einst; |
|
1130
725e7caa43a0
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diff
changeset
|
552 |
|
725e7caa43a0
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|
553 // Get instrument header #2 |
|
725e7caa43a0
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|
554 if (!dmf_read_le32(inFile, &xmI2.headSize) || |
|
725e7caa43a0
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|
555 !dmf_read_str(inFile, &xmI2.sNumForNotes, sizeof(xmI2.sNumForNotes))) |
|
725e7caa43a0
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diff
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|
556 { |
|
725e7caa43a0
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|
557 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
| 1132 | 558 "Could not read secondary instrument header part #1 for #%d.\n", ninst); |
|
1130
725e7caa43a0
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diff
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|
559 } |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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changeset
|
560 |
| 1132 | 561 if (!jssXMLoadEnvelopePoints(inFile, &xmI2.volumeEnv) || |
| 562 !jssXMLoadEnvelopePoints(inFile, &xmI2.panningEnv)) | |
| 563 { | |
| 564 JSSERROR(DMERR_FREAD, DMERR_FREAD, | |
| 565 "Could not read envelope point data for instrument #%d.\n", ninst); | |
| 566 } | |
|
1130
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Matti Hamalainen <ccr@tnsp.org>
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1127
diff
changeset
|
567 |
| 1132 | 568 if (!dmf_read_byte(inFile, &xmI2.volumeEnv.npoints) || |
|
1130
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parents:
1127
diff
changeset
|
569 !dmf_read_byte(inFile, &xmI2.panningEnv.npoints) || |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
570 |
| 1132 | 571 !jssXMLoadEnvelopeData(inFile, &xmI2.volumeEnv) || |
| 572 !jssXMLoadEnvelopeData(inFile, &xmI2.panningEnv) || | |
|
1130
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|
573 |
|
725e7caa43a0
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|
574 !dmf_read_byte(inFile, &xmI2.volumeEnv.flags) || |
|
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|
575 !dmf_read_byte(inFile, &xmI2.panningEnv.flags) || |
|
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|
576 |
|
725e7caa43a0
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|
577 !dmf_read_byte(inFile, &xmI2.vibratoType) || |
|
725e7caa43a0
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|
578 !dmf_read_byte(inFile, &xmI2.vibratoSweep) || |
|
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diff
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|
579 !dmf_read_byte(inFile, &xmI2.vibratoDepth) || |
|
725e7caa43a0
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|
580 !dmf_read_byte(inFile, &xmI2.vibratoRate) || |
|
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|
581 |
|
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|
582 !dmf_read_le16(inFile, &xmI2.fadeOut) || |
|
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|
583 !dmf_read_le16(inFile, &xmI2.ARESERVED)) |
|
725e7caa43a0
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|
584 { |
|
725e7caa43a0
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|
585 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
| 1132 | 586 "Could not read secondary instrument header part #2 for #%d.\n", ninst); |
|
1130
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|
587 } |
|
725e7caa43a0
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|
588 |
|
725e7caa43a0
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|
589 // Skip the extra data after header #2 |
|
725e7caa43a0
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|
590 remainder = xmI1.headSize - (dmftell(inFile) - pos); |
|
725e7caa43a0
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|
591 if (remainder > 0) |
|
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|
592 { |
|
725e7caa43a0
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|
593 JSSDEBUG("xmI1#1 Skipping: %li\n", remainder); |
|
725e7caa43a0
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|
594 dmfseek(inFile, remainder, SEEK_CUR); |
|
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|
595 } |
|
725e7caa43a0
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|
596 |
|
725e7caa43a0
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|
597 // Check and convert all ext instrument information |
|
725e7caa43a0
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diff
changeset
|
598 #ifndef JSS_LIGHT |
| 1175 | 599 einst->desc = jssASCIItoStr(xmI1.instName, 0, sizeof(xmI1.instName)); |
|
1130
725e7caa43a0
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diff
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|
600 #endif |
| 1175 | 601 jssXMConvertEnvelope(&einst->volumeEnv, &xmI2.volumeEnv, "vol", ninst); |
| 602 jssXMConvertEnvelope(&einst->panningEnv, &xmI2.panningEnv, "pan", ninst); | |
|
1130
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
603 |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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|
604 switch (xmI2.vibratoType) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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|
605 { |
| 1175 | 606 case 0: einst->vibratoType = jvibSine; break; |
| 607 case 1: einst->vibratoType = jvibRamp; break; | |
| 608 case 2: einst->vibratoType = jvibSquare; break; | |
| 609 case 3: einst->vibratoType = jvibRandom; break; | |
|
1130
725e7caa43a0
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|
610 default: |
| 1175 | 611 einst->vibratoType = jvibSine; |
|
1130
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
612 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
613 "Invalid extinstrument vibrato type %d for inst #%d\n", ninst); |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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1127
diff
changeset
|
614 break; |
|
725e7caa43a0
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|
615 } |
| 1175 | 616 einst->vibratoSweep = xmI2.vibratoSweep; |
| 617 einst->vibratoDepth = xmI2.vibratoDepth; | |
| 618 einst->vibratoRate = xmI2.vibratoRate; | |
| 619 einst->fadeOut = xmI2.fadeOut; | |
| 620 einst->nsamples = xmI1.nsamples; | |
|
1130
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|
621 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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diff
changeset
|
622 // Initialize the SNumForNotes conversion table |
|
725e7caa43a0
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1127
diff
changeset
|
623 for (i = 0; i < XM_MaxInstruments; i++) |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
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1175
diff
changeset
|
624 einst->instConvTable[i] = jsetNotSet; |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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1127
diff
changeset
|
625 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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diff
changeset
|
626 // Read sample headers |
|
725e7caa43a0
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parents:
1127
diff
changeset
|
627 for (nsample = 0; nsample < xmI1.nsamples; nsample++) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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diff
changeset
|
628 { |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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diff
changeset
|
629 if ((ret = jssXMLoadSampleInstrument(inFile, module, einst, ninst, nsample)) != DMERR_OK) |
|
1130
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
630 return ret; |
|
725e7caa43a0
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diff
changeset
|
631 } |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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diff
changeset
|
632 |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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1127
diff
changeset
|
633 // Apply new values to sNumForNotes values |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
634 for (i = 0; i < XM_MaxNotes; i++) |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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|
635 { |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
636 int tmp = xmI2.sNumForNotes[i]; |
|
725e7caa43a0
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1127
diff
changeset
|
637 if (tmp >= 0 && tmp < xmI1.nsamples) |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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parents:
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diff
changeset
|
638 einst->sNumForNotes[i] = einst->instConvTable[tmp]; |
|
1130
725e7caa43a0
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diff
changeset
|
639 else |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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diff
changeset
|
640 { |
| 1175 | 641 einst->sNumForNotes[i] = jsetNotSet; |
|
1130
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
642 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
725e7caa43a0
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1127
diff
changeset
|
643 "Ext.instrument #%d sNumForNotes[%d] out of range (%d).\n", |
|
725e7caa43a0
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diff
changeset
|
644 ninst, i, tmp); |
|
725e7caa43a0
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Matti Hamalainen <ccr@tnsp.org>
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changeset
|
645 } |
| 0 | 646 } |
| 647 | |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
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diff
changeset
|
648 if ((ret = jssXMLoadInstrumentSamples(inFile, module, einst, ninst)) != DMERR_OK) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
649 return ret; |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
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796
diff
changeset
|
650 return DMERR_OK; |
| 0 | 651 } |
| 652 | |
| 653 | |
|
1124
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
654 static int jssXMLoadPatterns(DMResource *inFile, JSSModule *module, XMHeader *xmH) |
| 0 | 655 { |
|
1124
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
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796
diff
changeset
|
656 int index, result; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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796
diff
changeset
|
657 XMPattern xmP; |
| 0 | 658 |
| 659 for (index = 0; index < module->npatterns; index++) | |
| 660 { | |
| 661 // Get the pattern header | |
| 1126 | 662 off_t remainder, pos = dmftell(inFile); |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
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parents:
1126
diff
changeset
|
663 |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
664 if (!dmf_read_le32(inFile, &xmP.headSize) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
665 !dmf_read_byte(inFile, &xmP.packing) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
666 !dmf_read_le16(inFile, &xmP.nrows) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
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658
diff
changeset
|
667 !dmf_read_le16(inFile, &xmP.size)) |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
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658
diff
changeset
|
668 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
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658
diff
changeset
|
669 "Could not read pattern header data #%d.\n", |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
670 index); |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
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parents:
1126
diff
changeset
|
671 |
| 0 | 672 |
| 673 // Check the header | |
| 674 if (xmP.packing != 0) | |
| 675 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
676 "Pattern #%d packing type unsupported (%d)\n", |
| 0 | 677 index, xmP.packing); |
| 678 | |
| 679 if (xmP.nrows == 0) | |
| 680 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
681 "Pattern #%d has %d rows, invalid data.\n", |
| 0 | 682 index, xmP.nrows); |
| 683 | |
| 684 if (xmP.size > 0) | |
| 685 { | |
| 686 // Allocate and unpack pattern | |
| 687 module->patterns[index] = jssAllocatePattern(xmP.nrows, module->nchannels); | |
| 688 if (module->patterns[index] == NULL) | |
| 689 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
690 "Could not allocate memory for pattern #%d\n", index); |
| 0 | 691 |
| 692 result = jssXMUnpackPattern(inFile, xmP.size, module->patterns[index]); | |
| 693 if (result != 0) | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
694 JSSERROR(result, result, "Error in unpacking pattern #%d data\n", index); |
| 0 | 695 } |
| 696 | |
| 697 // Skip extra data (if the file is damaged) | |
| 88 | 698 remainder = xmP.headSize - (dmftell(inFile) - pos); |
| 699 if (remainder > 0) | |
| 0 | 700 { |
| 98 | 701 JSSDEBUG("xmP Skipping: %li\n", remainder); |
| 88 | 702 dmfseek(inFile, remainder, SEEK_CUR); |
| 0 | 703 } |
| 704 } | |
| 705 | |
| 706 // Allocate the empty pattern | |
| 707 module->patterns[jsetMaxPatterns] = jssAllocatePattern(64, module->nchannels); | |
| 708 | |
| 709 /* Convert song orders list by replacing nonexisting patterns | |
| 710 * with pattern number jsetMaxPatterns. | |
| 711 */ | |
| 712 for (index = 0; index < module->norders; index++) | |
| 713 { | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
714 int tmp = xmH->orderList[index]; |
| 1126 | 715 if (tmp >= module->npatterns || |
| 716 module->patterns[tmp] == NULL) | |
| 0 | 717 tmp = jsetMaxPatterns; |
| 718 | |
| 719 module->orderList[index] = tmp; | |
| 720 } | |
| 721 | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
722 return DMERR_OK; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
723 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
724 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
725 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
726 static int jssXMLoadInstruments(DMResource *inFile, JSSModule *module) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
727 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
728 int index; |
| 0 | 729 for (index = 0; index < module->nextInstruments; index++) |
| 730 { | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
731 int result = jssXMLoadExtInstrument(inFile, index, module); |
| 0 | 732 if (result != 0) |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
Matti Hamalainen <ccr@tnsp.org>
parents:
658
diff
changeset
|
733 JSSERROR(result, result, "Errors while reading instrument #%d\n", index); |
| 0 | 734 } |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
735 return DMERR_OK; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
736 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
737 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
738 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
739 /* Load XM-format module from given file-stream |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
740 */ |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
741 int jssLoadXM(DMResource *inFile, JSSModule **ppModule, BOOL probe) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
742 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
743 JSSModule *module; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
744 XMHeader xmH; |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
745 int index, ret; |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
746 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
747 assert(ppModule != NULL); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
748 assert(inFile != NULL); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
749 *ppModule = NULL; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
750 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
751 // Try to get the XM-header |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
752 if (!dmf_read_str(inFile, &xmH.idMagic, sizeof(xmH.idMagic)) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
753 !dmf_read_str(inFile, &xmH.songName, sizeof(xmH.songName)) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
754 !dmf_read_byte(inFile, &xmH.unUsed1A) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
755 !dmf_read_str(inFile, &xmH.trackerName, sizeof(xmH.trackerName)) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
756 !dmf_read_le16(inFile, &xmH.version) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
757 !dmf_read_le32(inFile, &xmH.headSize) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
758 !dmf_read_le16(inFile, &xmH.norders) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
759 !dmf_read_le16(inFile, &xmH.defRestartPos) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
760 !dmf_read_le16(inFile, &xmH.nchannels) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
761 !dmf_read_le16(inFile, &xmH.npatterns) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
762 !dmf_read_le16(inFile, &xmH.ninstruments) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
763 !dmf_read_le16(inFile, &xmH.flags) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
764 !dmf_read_le16(inFile, &xmH.defSpeed) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
765 !dmf_read_le16(inFile, &xmH.defTempo)) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
766 return DMERR_FREAD; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
767 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
768 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
769 // Check the fields, none of these are considered fatal |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
770 if (strncmp(xmH.idMagic, "Extended Module: ", 17) != 0) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
771 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
772 if (probe) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
773 return DMERR_NOT_SUPPORTED; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
774 else |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
775 JSSERROR(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
776 "Not a FT2 Extended Module (XM), header signature mismatch!\n"); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
777 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
778 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
779 if (xmH.unUsed1A != 0x1a) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
780 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
781 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
782 "Possibly modified or corrupted XM [%x]\n", xmH.unUsed1A); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
783 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
784 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
785 if (xmH.norders > XM_MaxOrders) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
786 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
787 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
788 "Number of orders %d > %d, possibly broken module.\n", |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
789 xmH.norders, XM_MaxOrders); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
790 xmH.norders = XM_MaxOrders; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
791 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
792 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
793 if (xmH.norders == 0) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
794 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
795 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
796 "Number of orders was zero.\n"); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
797 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
798 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
799 if (xmH.npatterns > XM_MaxPatterns) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
800 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
801 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
802 "Number of patterns %d > %d, possibly broken module.\n", |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
803 xmH.npatterns, XM_MaxPatterns); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
804 xmH.npatterns = XM_MaxPatterns; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
805 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
806 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
807 if (xmH.npatterns == 0) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
808 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
809 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
810 "Number of patterns was zero.\n"); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
811 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
812 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
813 if (xmH.nchannels <= 0 || xmH.nchannels > XM_MaxChannels) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
814 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
815 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
816 "Number of channels was invalid, %d (should be 1 - %d).\n", |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
817 xmH.nchannels, XM_MaxChannels); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
818 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
819 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
820 if (xmH.ninstruments <= 0 || xmH.ninstruments > XM_MaxInstruments) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
821 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
822 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
823 "Number of instruments was invalid, %d (should be 1 - %d).\n", |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
824 xmH.ninstruments, XM_MaxInstruments); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
825 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
826 |
|
1161
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
827 if (xmH.headSize < XM_HeaderSize) |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
828 { |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
829 JSSERROR(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED, |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
830 "XM header size less than %d bytes (%d bytes).\n", |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
831 XM_HeaderSize, xmH.headSize); |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
832 } |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
833 |
|
1160
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
834 switch (xmH.version) |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
835 { |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
836 case 0x0104: |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
837 break; |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
838 |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
839 default: |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
840 JSSWARNING(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED, |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
841 "Unsupported version of XM format 0x%04x.\n", |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
842 xmH.version); |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
843 } |
|
b122ad2d3fbe
Add XM format version check.
Matti Hamalainen <ccr@tnsp.org>
parents:
1159
diff
changeset
|
844 |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
845 if (!dmf_read_str(inFile, &xmH.orderList, sizeof(xmH.orderList))) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
846 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
847 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
848 "Error reading pattern order list.\n"); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
849 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
850 |
|
1161
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
851 if (xmH.headSize > 276) |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
852 { |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
853 JSSWARNING(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED, |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
854 "XM header size > %d bytes, skipping the rest.\n", |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
855 XM_HeaderSize, xmH.headSize); |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
856 dmfseek(inFile, xmH.headSize - XM_HeaderSize, SEEK_CUR); |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
857 } |
|
92cee852a8af
Check header size against the known values. Bail out if it's too small, and
Matti Hamalainen <ccr@tnsp.org>
parents:
1160
diff
changeset
|
858 |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
859 /* Okay, allocate a module structure |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
860 */ |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
861 module = jssAllocateModule(); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
862 if (module == NULL) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
863 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
864 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
865 "Could not allocate memory for module structure.\n"); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
866 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
867 *ppModule = module; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
868 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
869 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
870 // Convert and check the header data |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
871 module->moduleType = jmdtXM; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
872 module->intVersion = xmH.version; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
873 #ifndef JSS_LIGHT |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
874 module->moduleName = jssASCIItoStr(xmH.songName, 0, sizeof(xmH.songName)); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
875 module->trackerName = jssASCIItoStr(xmH.trackerName, 0, sizeof(xmH.trackerName)); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
876 #endif |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
877 module->defSpeed = xmH.defSpeed; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
878 module->defTempo = xmH.defTempo; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
879 module->nextInstruments = xmH.ninstruments; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
880 module->ninstruments = 0; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
881 module->npatterns = xmH.npatterns; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
882 module->norders = xmH.norders; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
883 module->nchannels = xmH.nchannels; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
884 module->defFlags = jmdfStereo | jmdfFT2Replay; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
885 module->defRestartPos = xmH.defRestartPos; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
886 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
887 if ((xmH.flags & 1) == 0) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
888 module->defFlags |= jmdfAmigaPeriods; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
889 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
890 // Setup the default pannings |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
891 for (index = 0; index < jsetNChannels; index++) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
892 module->defPanning[index] = jchPanMiddle; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
893 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
894 // Load rest of the module |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
895 switch (xmH.version) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
896 { |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
897 case 0x0104: |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
898 if ((ret = jssXMLoadPatterns(inFile, module, &xmH)) != DMERR_OK) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
899 goto out; |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
900 |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
901 if ((ret = jssXMLoadInstruments(inFile, module)) != DMERR_OK) |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
902 goto out; |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
903 break; |
| 0 | 904 |
|
1176
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
905 } |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
906 |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
907 out: |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
908 |
|
afdbf62ce8ad
Revamp instrument sample loading somewhat.
Matti Hamalainen <ccr@tnsp.org>
parents:
1175
diff
changeset
|
909 return ret; |
| 0 | 910 } |