Mercurial > hg > dmlib
annotate minijss/jloadxm.c @ 1132:d4512925b4f9
Modularize some more.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Wed, 04 Mar 2015 07:00:27 +0200 |
| parents | b349646f19a0 |
| children | 1ed8af15581a |
| 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 #include <string.h> | |
| 12 | |
| 13 | |
| 14 /* XM value limit definitions | |
| 15 */ | |
| 16 #define XM_MaxChannels (32) | |
| 17 #define XM_MaxPatterns (256) | |
| 18 #define XM_MaxOrders (255) | |
| 19 #define XM_MaxInstruments (128) | |
| 20 #define XM_MaxInstSamples (16) | |
| 21 #define XM_MaxEnvPoints (12) | |
| 22 #define XM_MaxNotes (96) | |
| 23 #define XM_MaxSampleVolume (64) | |
| 24 | |
| 25 | |
| 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 | |
| 34 Uint16 version; // XM-version 0x0104 | |
| 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 */ | |
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107 #define JSGETBYTE(XV) do { \ |
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108 size--; \ |
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109 if (size < 0) \ |
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110 JSSERROR(DMERR_OUT_OF_DATA, DMERR_OUT_OF_DATA, \ |
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111 "Unexpected end of packed pattern data.\n"); \ |
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112 XV = dmfgetc(inFile); \ |
| 0 | 113 } while (0) |
| 114 | |
| 115 | |
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116 static int jssXMConvertNote(int val) |
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117 { |
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118 if (val < 1 || val > 97) |
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119 return jsetNotSet; |
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120 else if (val == 97) |
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121 return jsetNoteOff; |
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122 else |
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123 return val - 1; |
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124 } |
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125 |
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126 |
| 0 | 127 static int jssXMUnpackPattern(DMResource *inFile, int size, JSSPattern *pattern) |
| 128 { | |
| 129 int packb, row, channel, tmp; | |
| 130 JSSNote *pnote; | |
| 131 assert(pattern != NULL); | |
| 132 | |
| 133 pnote = pattern->data; | |
| 134 | |
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135 for (row = 0; row < pattern->nrows && size > 0; row++) |
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136 for (channel = 0; channel < pattern->nchannels && size > 0; channel++) |
| 0 | 137 { |
| 138 JSGETBYTE(packb); | |
| 139 if (packb & 0x80) | |
| 140 { | |
| 141 if (packb & 0x01) | |
| 142 { | |
| 143 // PACK 0x01: Read note | |
| 144 JSGETBYTE(tmp); | |
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145 pnote->note = jssXMConvertNote(tmp); |
| 0 | 146 } |
| 147 | |
| 148 if (packb & 0x02) | |
| 149 { | |
| 150 // PACK 0x02: Read instrument | |
| 151 JSGETBYTE(tmp); | |
| 152 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; | |
| 153 } | |
| 154 | |
| 155 if (packb & 0x04) | |
| 156 { | |
| 157 // PACK 0x04: Read volume | |
| 158 JSGETBYTE(tmp); | |
| 159 pnote->volume = (tmp >= 0x10) ? tmp - 0x10 : jsetNotSet; | |
| 160 } | |
| 161 | |
| 162 if (packb & 0x08) | |
| 163 { | |
| 164 // PACK 0x08: Read effect | |
| 165 JSGETBYTE(pnote->effect); | |
| 166 pnote->param = 0; | |
| 167 } | |
| 168 | |
| 169 if (packb & 0x10) | |
| 170 { | |
| 171 // PACK 0x10: Read effect parameter | |
| 172 JSGETBYTE(pnote->param); | |
| 173 if (pnote->effect == jsetNotSet && pnote->param != 0) | |
| 174 pnote->effect = 0; | |
| 175 } | |
| 176 } | |
| 177 else | |
| 178 { | |
| 179 // All data available | |
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180 pnote->note = jssXMConvertNote(packb & 0x7f); |
| 0 | 181 |
| 182 // Get instrument | |
| 183 JSGETBYTE(tmp); | |
| 184 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; | |
| 185 | |
| 186 // Get volume | |
| 187 JSGETBYTE(tmp); | |
| 188 pnote->volume = (tmp >= 0x10) ? tmp - 0x10 : jsetNotSet; | |
| 189 | |
| 190 // Get effect | |
| 191 JSGETBYTE(pnote->effect); | |
| 192 | |
| 193 // Get parameter | |
| 194 JSGETBYTE(pnote->param); | |
| 195 if (pnote->effect == 0 && pnote->param == 0) | |
| 196 pnote->effect = pnote->param = jsetNotSet; | |
| 197 } | |
| 198 pnote++; | |
| 199 } | |
| 200 | |
| 201 // Check the state | |
| 202 if (size > 0) | |
| 203 { | |
| 204 // Some data left unparsed | |
| 205 JSSWARNING(DMERR_EXTRA_DATA, DMERR_EXTRA_DATA, | |
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206 "Unparsed data after pattern (%d bytes), possibly broken file.\n", size); |
| 0 | 207 } |
| 208 | |
| 209 return DMERR_OK; | |
| 210 } | |
| 211 | |
| 212 | |
| 213 /* Convert XM envelope structure to JSS envelope structure | |
| 214 */ | |
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215 static int jssXMConvertEnvelope(JSSEnvelope * d, XMEnvelope * s, char * e, int instr) |
| 0 | 216 { |
| 217 int i; | |
| 218 (void) e; (void) instr; | |
| 219 | |
| 220 // Convert envelope points | |
| 221 for (i = 0; i < XM_MaxEnvPoints; i++) | |
| 222 { | |
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223 d->points[i].frame = s->points[i].frame; |
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224 d->points[i].value = s->points[i].value; |
| 0 | 225 } |
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226 |
| 0 | 227 // Convert other values |
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228 d->npoints = s->npoints; |
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229 d->sustain = s->sustain; |
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230 d->loopS = s->loopS; |
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231 d->loopE = s->loopE; |
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232 |
| 0 | 233 // Check if the envelope is used |
| 234 if (s->flags & 0x01) | |
| 235 { | |
| 236 // Convert envelope flags | |
| 237 d->flags = jenvfUsed; | |
| 238 if (s->flags & 0x02) | |
| 239 d->flags |= jenvfSustain; | |
| 240 | |
| 241 if (s->flags & 0x04) | |
| 242 d->flags |= jenvfLooped; | |
| 243 | |
| 244 // Check other values | |
| 245 if (s->npoints > XM_MaxEnvPoints) | |
| 246 { | |
| 247 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
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248 "Inst#%d/%s-env: nPoints > MAX, possibly broken file.\n", instr, e); |
| 0 | 249 s->npoints = XM_MaxEnvPoints; |
| 250 } | |
| 251 | |
| 252 if ((d->flags & jenvfSustain) && s->sustain > s->npoints) | |
| 253 { | |
| 254 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
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255 "Inst#%d/%s-env: iSustain > nPoints (%d > %d), possibly broken file.\n", |
| 0 | 256 instr, e, s->sustain, s->npoints); |
| 257 s->sustain = s->npoints; | |
| 258 } | |
| 259 | |
| 260 if ((d->flags & jenvfLooped) && s->loopE > s->npoints) | |
| 261 { | |
| 262 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
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263 "Inst#%d/%s-env: loopE > nPoints (%d > %d), possibly broken file.\n", |
| 0 | 264 instr, e, s->loopE, s->npoints); |
| 265 s->loopE = s->npoints; | |
| 266 } | |
| 267 | |
| 268 if ((d->flags & jenvfLooped) && s->loopS > s->loopE) | |
| 269 { | |
| 270 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
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271 "Inst#%d/%s-env: loopS > loopE (%d > %d), possibly broken file.\n", |
| 0 | 272 instr, e, s->loopS, s->loopE); |
| 273 s->loopS = 0; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 return DMERR_OK; | |
| 278 } | |
| 279 | |
| 280 | |
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281 static int jssXMLoadInstrument(DMResource *inFile, JSSModule *module, int ninst, int nsample, int *xmConvTable) |
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282 { |
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283 XMSample xmS; |
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284 JSSInstrument *inst; |
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285 |
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286 // Read header data |
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287 if (!dmf_read_le32(inFile, &xmS.size) || |
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288 !dmf_read_le32(inFile, &xmS.loopS) || |
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289 !dmf_read_le32(inFile, &xmS.loopL) || |
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290 !dmf_read_byte(inFile, &xmS.volume) || |
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291 !dmf_read_byte(inFile, (Uint8 *) &xmS.fineTune) || |
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292 !dmf_read_byte(inFile, &xmS.type) || |
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293 !dmf_read_byte(inFile, &xmS.panning) || |
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294 !dmf_read_byte(inFile, (Uint8 *) &xmS.relNote) || |
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295 !dmf_read_byte(inFile, &xmS.ARESERVED) || |
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296 !dmf_read_str(inFile, &xmS.sampleName, sizeof(xmS.sampleName))) |
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297 { |
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298 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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299 "Error reading instrument sample header #%d/%d [%d]", |
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300 ninst, nsample, module->ninstruments); |
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301 } |
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302 |
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303 if (xmS.size <= 0) |
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304 return DMERR_OK; |
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305 |
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306 // Allocate sample instrument |
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307 JSSDEBUG("Allocating sample #%d/%d [%d]\n", |
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308 ninst, nsample, module->ninstruments); |
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309 |
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310 xmConvTable[nsample] = module->ninstruments; |
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311 inst = module->instruments[module->ninstruments] = jssAllocateInstrument(); |
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312 if (inst == NULL) |
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313 { |
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314 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
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315 "Could not allocate sample #%d/%d [%d]\n", |
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316 ninst, nsample, module->ninstruments); |
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317 } |
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318 module->ninstruments++; |
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319 |
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320 // Copy values |
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321 if (xmS.volume > XM_MaxSampleVolume) |
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322 { |
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323 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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324 "Samp #%d/%d: volume > MAX\n", ninst, nsample); |
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325 xmS.volume = XM_MaxSampleVolume; |
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326 } |
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327 |
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328 inst->volume = xmS.volume; |
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329 inst->ERelNote = xmS.relNote; |
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330 inst->EFineTune = xmS.fineTune; |
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331 inst->EPanning = xmS.panning; |
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332 #ifndef JSS_LIGHT |
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333 inst->desc = jssASCIItoStr(xmS.sampleName, 0, sizeof(xmS.sampleName)); |
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334 #endif |
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335 |
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336 // Convert flags |
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337 switch (xmS.type & 0x03) |
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338 { |
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339 case 0: inst->flags = 0; break; |
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340 case 1: inst->flags = jsfLooped; break; |
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341 case 2: inst->flags = jsfLooped | jsfBiDi; break; |
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342 default: |
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343 inst->flags = 0; |
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344 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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345 "Samp #%d/%d: Invalid sample type 0x%x\n", |
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346 ninst, nsample, xmS.type); |
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347 break; |
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348 } |
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349 |
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350 if (xmS.type & 0x10) |
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351 { |
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352 // 16-bit sample |
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353 JSFSET(inst->flags, jsf16bit); |
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354 |
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355 inst->size = xmS.size / sizeof(Uint16); |
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356 inst->loopS = xmS.loopS / sizeof(Uint16); |
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357 inst->loopE = ((xmS.loopS + xmS.loopL) / sizeof(Uint16)); |
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358 } |
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359 else |
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360 { |
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361 // 8-bit sample |
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362 inst->size = xmS.size; |
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363 inst->loopS = xmS.loopS; |
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364 inst->loopE = (xmS.loopS + xmS.loopL); |
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365 } |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
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366 |
|
1124
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367 if (xmS.loopL == 0) |
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368 { |
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369 // Always unset loop, if loop length is zero |
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370 JSFUNSET(inst->flags, jsfLooped); |
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371 } |
|
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372 |
|
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373 if (inst->flags & jsfLooped) |
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374 { |
|
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375 if (inst->loopS >= inst->size) |
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376 { |
|
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377 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
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378 "Samp #%d/%d: loopS >= size (%d >= %d)\n", |
|
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379 ninst, nsample, inst->loopS, inst->size); |
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380 JSFUNSET(inst->flags, jsfLooped); |
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381 } |
|
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382 |
|
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383 if (inst->loopE > inst->size) |
|
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384 { |
|
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385 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
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386 "Samp #%d/%d: loopE > size (%d > %d)\n", |
|
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387 ninst, nsample, inst->loopE, inst->size); |
|
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388 JSFUNSET(inst->flags, jsfLooped); |
|
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389 } |
|
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390 } |
|
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|
391 |
|
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392 // Allocate memory for sample data |
|
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393 if (inst->flags & jsf16bit) |
|
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394 inst->data = dmCalloc(inst->size, sizeof(Uint16)); |
|
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395 else |
|
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396 inst->data = dmCalloc(inst->size, sizeof(Uint8)); |
|
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397 |
|
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398 if (inst->data == NULL) |
|
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399 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
|
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400 "Could not allocate sample data #%d/%d.\n", ninst, nsample); |
|
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|
401 |
|
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402 return DMERR_OK; |
|
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403 } |
|
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|
404 |
|
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Modularize the XM loader somewhat by splitting to more functions.
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changeset
|
405 |
|
1130
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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|
406 static int jssXMLoadInstrumentData(DMResource *inFile, JSSInstrument *inst, int ninst, int nsample) |
|
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Split instrument sample data loading to another function in XM loader.
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407 { |
|
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Split instrument sample data loading to another function in XM loader.
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|
408 int ret; |
|
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409 |
|
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410 JSSDEBUG("desc....: '%s'\n" |
|
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411 "size....: %d\n" |
|
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412 "loopS...: %d\n" |
|
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413 "loopE...: %d\n" |
|
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414 "volume..: %d\n" |
|
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415 "flags...: %x\n", |
|
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416 inst->desc, |
|
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417 inst->size, inst->loopS, inst->loopE, |
|
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418 inst->volume, inst->flags); |
|
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419 |
|
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420 if (inst->flags & jsf16bit) |
|
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421 { |
|
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422 // Read sampledata |
|
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423 if (dmfread(inst->data, sizeof(Uint16), inst->size, inFile) != (size_t) inst->size) |
|
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424 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
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425 "Error reading sampledata for instrument #%d/%d, %d words.\n", |
|
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426 ninst, nsample, inst->size); |
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427 |
|
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428 // Convert data |
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429 if ((ret = jssDecodeSample16((Uint16 *) inst->data, inst->size, |
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430 #if (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
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431 (jsampDelta | jsampSwapEndianess) |
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432 #else |
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433 (jsampDelta) |
|
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434 #endif |
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435 )) != DMERR_OK) |
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436 return ret; |
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437 } |
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438 else |
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439 { |
|
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440 // Read sampledata |
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441 if (dmfread(inst->data, sizeof(Uint8), inst->size, inFile) != (size_t) inst->size) |
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442 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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443 "Error reading sampledata for instrument #%d/%d, %d bytes.\n", |
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444 ninst, nsample, inst->size); |
|
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445 |
|
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446 // Convert data |
|
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447 if ((ret = jssDecodeSample8((Uint8 *) inst->data, inst->size, |
|
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448 (jsampDelta | jsampFlipSign))) != DMERR_OK) |
|
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449 return ret; |
|
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450 } |
|
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451 return DMERR_OK; |
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452 } |
|
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|
453 |
|
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454 |
| 1132 | 455 static BOOL jssXMLoadEnvelopePoints(DMResource *inFile, XMEnvelope *env) |
|
1131
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456 { |
|
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|
457 int i; |
|
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458 for (i = 0; i < XM_MaxEnvPoints; i++) |
|
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459 { |
|
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460 if (!dmf_read_le16(inFile, &(env->points[i].frame)) || |
|
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461 !dmf_read_le16(inFile, &(env->points[i].value))) |
|
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462 return FALSE; |
|
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|
463 } |
|
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|
464 return TRUE; |
|
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|
465 } |
|
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|
466 |
|
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|
467 |
| 1132 | 468 static BOOL jssXMLoadEnvelopeData(DMResource *inFile, XMEnvelope *env) |
| 469 { | |
| 470 return | |
| 471 dmf_read_byte(inFile, &(env->sustain)) && | |
| 472 dmf_read_byte(inFile, &(env->loopS)) && | |
| 473 dmf_read_byte(inFile, &(env->loopE)); | |
| 474 } | |
| 475 | |
| 476 | |
| 0 | 477 /* Load XM-format extended instrument from file-stream into JSS module's given inst |
| 478 */ | |
| 479 static int jssXMLoadExtInstrument(DMResource *inFile, int ninst, JSSModule *module) | |
| 480 { | |
| 481 XMInstrument1 xmI1; | |
| 1126 | 482 off_t remainder, pos = dmftell(inFile); |
|
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483 int xmConvTable[XM_MaxInstruments + 1]; |
|
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|
484 JSSExtInstrument *pEInst; |
|
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|
485 XMInstrument2 xmI2; |
|
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|
486 int i, nsample, ret; |
| 0 | 487 |
| 488 // Get instrument header #1 | |
|
778
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|
489 if (!dmf_read_le32(inFile, &xmI1.headSize) || |
|
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|
490 !dmf_read_str(inFile, &xmI1.instName, sizeof(xmI1.instName)) || |
|
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|
491 !dmf_read_byte(inFile, &xmI1.instType) || |
|
a4cf7716ba58
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|
492 !dmf_read_le16(inFile, &xmI1.nsamples)) |
|
a4cf7716ba58
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|
493 return DMERR_FREAD; |
| 0 | 494 |
| 495 // If there are samples, there is header #2 | |
|
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|
496 if (xmI1.nsamples == 0) |
| 0 | 497 { |
| 498 // We may STILL need to skip extra data after 1st instr. header | |
| 499 remainder = xmI1.headSize - (dmftell(inFile) - pos); | |
| 500 if (remainder > 0) | |
| 501 { | |
| 98 | 502 JSSDEBUG("xmI1#2 Skipping: %li\n", remainder); |
| 0 | 503 dmfseek(inFile, remainder, SEEK_CUR); |
| 504 } | |
|
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505 return DMERR_OK; |
|
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|
506 } |
|
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|
507 |
|
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|
508 // Allocate instrument |
|
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|
509 if ((pEInst = jssAllocateExtInstrument()) == NULL) |
|
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|
510 { |
|
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|
511 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
|
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|
512 "Could not allocate extended instrument structure #%d\n", ninst); |
|
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|
513 } |
|
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|
514 |
|
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|
515 module->extInstruments[ninst] = pEInst; |
|
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|
516 |
|
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|
517 // Get instrument header #2 |
|
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518 if (!dmf_read_le32(inFile, &xmI2.headSize) || |
|
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|
519 !dmf_read_str(inFile, &xmI2.sNumForNotes, sizeof(xmI2.sNumForNotes))) |
|
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|
520 { |
|
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|
521 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
| 1132 | 522 "Could not read secondary instrument header part #1 for #%d.\n", ninst); |
|
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|
523 } |
|
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|
524 |
| 1132 | 525 if (!jssXMLoadEnvelopePoints(inFile, &xmI2.volumeEnv) || |
| 526 !jssXMLoadEnvelopePoints(inFile, &xmI2.panningEnv)) | |
| 527 { | |
| 528 JSSERROR(DMERR_FREAD, DMERR_FREAD, | |
| 529 "Could not read envelope point data for instrument #%d.\n", ninst); | |
| 530 } | |
|
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|
531 |
| 1132 | 532 if (!dmf_read_byte(inFile, &xmI2.volumeEnv.npoints) || |
|
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|
533 !dmf_read_byte(inFile, &xmI2.panningEnv.npoints) || |
|
725e7caa43a0
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|
534 |
| 1132 | 535 !jssXMLoadEnvelopeData(inFile, &xmI2.volumeEnv) || |
| 536 !jssXMLoadEnvelopeData(inFile, &xmI2.panningEnv) || | |
|
1130
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|
537 |
|
725e7caa43a0
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|
538 !dmf_read_byte(inFile, &xmI2.volumeEnv.flags) || |
|
725e7caa43a0
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|
539 !dmf_read_byte(inFile, &xmI2.panningEnv.flags) || |
|
725e7caa43a0
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changeset
|
540 |
|
725e7caa43a0
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|
541 !dmf_read_byte(inFile, &xmI2.vibratoType) || |
|
725e7caa43a0
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|
542 !dmf_read_byte(inFile, &xmI2.vibratoSweep) || |
|
725e7caa43a0
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changeset
|
543 !dmf_read_byte(inFile, &xmI2.vibratoDepth) || |
|
725e7caa43a0
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|
544 !dmf_read_byte(inFile, &xmI2.vibratoRate) || |
|
725e7caa43a0
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changeset
|
545 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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|
546 !dmf_read_le16(inFile, &xmI2.fadeOut) || |
|
725e7caa43a0
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|
547 !dmf_read_le16(inFile, &xmI2.ARESERVED)) |
|
725e7caa43a0
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|
548 { |
|
725e7caa43a0
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|
549 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
| 1132 | 550 "Could not read secondary instrument header part #2 for #%d.\n", ninst); |
|
1130
725e7caa43a0
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|
551 } |
|
725e7caa43a0
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|
552 |
|
725e7caa43a0
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|
553 // Skip the extra data after header #2 |
|
725e7caa43a0
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|
554 remainder = xmI1.headSize - (dmftell(inFile) - pos); |
|
725e7caa43a0
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|
555 if (remainder > 0) |
|
725e7caa43a0
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|
556 { |
|
725e7caa43a0
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|
557 JSSDEBUG("xmI1#1 Skipping: %li\n", remainder); |
|
725e7caa43a0
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|
558 dmfseek(inFile, remainder, SEEK_CUR); |
|
725e7caa43a0
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|
559 } |
|
725e7caa43a0
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|
560 |
|
725e7caa43a0
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|
561 // Check and convert all ext instrument information |
|
725e7caa43a0
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|
562 #ifndef JSS_LIGHT |
|
725e7caa43a0
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|
563 pEInst->desc = jssASCIItoStr(xmI1.instName, 0, sizeof(xmI1.instName)); |
|
725e7caa43a0
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|
564 #endif |
|
725e7caa43a0
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|
565 jssXMConvertEnvelope(&pEInst->volumeEnv, &xmI2.volumeEnv, "vol", ninst); |
|
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|
566 jssXMConvertEnvelope(&pEInst->panningEnv, &xmI2.panningEnv, "pan", ninst); |
|
725e7caa43a0
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|
567 |
|
725e7caa43a0
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|
568 switch (xmI2.vibratoType) |
|
725e7caa43a0
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|
569 { |
|
725e7caa43a0
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|
570 case 0: pEInst->vibratoType = jvibSine; break; |
|
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|
571 case 1: pEInst->vibratoType = jvibRamp; break; |
|
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|
572 case 2: pEInst->vibratoType = jvibSquare; break; |
|
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573 case 3: pEInst->vibratoType = jvibRandom; break; |
|
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|
574 default: |
|
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|
575 pEInst->vibratoType = jvibSine; |
|
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|
576 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
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|
577 "Invalid extinstrument vibrato type %d for inst #%d\n", ninst); |
|
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|
578 break; |
|
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|
579 } |
|
725e7caa43a0
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|
580 pEInst->vibratoSweep = xmI2.vibratoSweep; |
|
725e7caa43a0
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|
581 pEInst->vibratoDepth = xmI2.vibratoDepth; |
|
725e7caa43a0
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|
582 pEInst->vibratoRate = xmI2.vibratoRate; |
|
725e7caa43a0
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|
583 pEInst->fadeOut = xmI2.fadeOut; |
|
725e7caa43a0
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|
584 pEInst->nsamples = xmI1.nsamples; |
|
725e7caa43a0
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|
585 |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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|
586 // Initialize the SNumForNotes conversion table |
|
725e7caa43a0
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|
587 for (i = 0; i < XM_MaxInstruments; i++) |
|
725e7caa43a0
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|
588 xmConvTable[i] = jsetNotSet; |
|
725e7caa43a0
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|
589 |
|
725e7caa43a0
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|
590 // Read sample headers |
|
725e7caa43a0
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|
591 for (nsample = 0; nsample < xmI1.nsamples; nsample++) |
|
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|
592 { |
|
725e7caa43a0
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|
593 if ((ret = jssXMLoadInstrument(inFile, module, ninst, nsample, xmConvTable)) != DMERR_OK) |
|
725e7caa43a0
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|
594 return ret; |
|
725e7caa43a0
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|
595 } |
|
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|
596 |
|
725e7caa43a0
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|
597 // Read sample data |
|
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|
598 for (nsample = 0; nsample < xmI1.nsamples; nsample++) |
|
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|
599 if (xmConvTable[nsample] != jsetNotSet) |
|
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|
600 { |
|
725e7caa43a0
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|
601 JSSInstrument *inst = module->instruments[xmConvTable[nsample]]; |
|
725e7caa43a0
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|
602 if ((ret = jssXMLoadInstrumentData(inFile, inst, ninst, nsample)) != DMERR_OK) |
|
725e7caa43a0
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|
603 return ret; |
|
725e7caa43a0
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|
604 } |
|
725e7caa43a0
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changeset
|
605 |
|
725e7caa43a0
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changeset
|
606 |
|
725e7caa43a0
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changeset
|
607 // Apply new values to sNumForNotes values |
|
725e7caa43a0
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|
608 for (i = 0; i < XM_MaxNotes; i++) |
|
725e7caa43a0
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changeset
|
609 { |
|
725e7caa43a0
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changeset
|
610 int tmp = xmI2.sNumForNotes[i]; |
|
725e7caa43a0
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changeset
|
611 if (tmp >= 0 && tmp < xmI1.nsamples) |
|
725e7caa43a0
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changeset
|
612 pEInst->sNumForNotes[i] = xmConvTable[tmp]; |
|
725e7caa43a0
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changeset
|
613 else |
|
725e7caa43a0
Split instrument sample data loading to another function in XM loader.
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changeset
|
614 { |
|
725e7caa43a0
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diff
changeset
|
615 pEInst->sNumForNotes[i] = jsetNotSet; |
|
725e7caa43a0
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changeset
|
616 JSSWARNING(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
|
725e7caa43a0
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|
617 "Ext.instrument #%d sNumForNotes[%d] out of range (%d).\n", |
|
725e7caa43a0
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changeset
|
618 ninst, i, tmp); |
|
725e7caa43a0
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|
619 } |
| 0 | 620 } |
| 621 | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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diff
changeset
|
622 return DMERR_OK; |
| 0 | 623 } |
| 624 | |
| 625 | |
|
1124
b8bfd9fbe1d9
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diff
changeset
|
626 static int jssXMLoadPatterns(DMResource *inFile, JSSModule *module, XMHeader *xmH) |
| 0 | 627 { |
|
1124
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diff
changeset
|
628 int index, result; |
|
b8bfd9fbe1d9
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diff
changeset
|
629 XMPattern xmP; |
| 0 | 630 |
| 631 for (index = 0; index < module->npatterns; index++) | |
| 632 { | |
| 633 // Get the pattern header | |
| 1126 | 634 off_t remainder, pos = dmftell(inFile); |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
Matti Hamalainen <ccr@tnsp.org>
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1126
diff
changeset
|
635 |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
636 if (!dmf_read_le32(inFile, &xmP.headSize) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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658
diff
changeset
|
637 !dmf_read_byte(inFile, &xmP.packing) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
638 !dmf_read_le16(inFile, &xmP.nrows) || |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
639 !dmf_read_le16(inFile, &xmP.size)) |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
640 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
|
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
641 "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
|
642 index); |
|
1127
e22d4ceb6414
Cosmetics pass, remove excess and trailing whitespace.
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1126
diff
changeset
|
643 |
| 0 | 644 |
| 645 // Check the header | |
| 646 if (xmP.packing != 0) | |
| 647 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
|
778
a4cf7716ba58
Clean up the XM module loader a bit, add more error checking.
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parents:
658
diff
changeset
|
648 "Pattern #%d packing type unsupported (%d)\n", |
| 0 | 649 index, xmP.packing); |
| 650 | |
| 651 if (xmP.nrows == 0) | |
| 652 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
|
653 "Pattern #%d has %d rows, invalid data.\n", |
| 0 | 654 index, xmP.nrows); |
| 655 | |
| 656 if (xmP.size > 0) | |
| 657 { | |
| 658 // Allocate and unpack pattern | |
| 659 module->patterns[index] = jssAllocatePattern(xmP.nrows, module->nchannels); | |
| 660 if (module->patterns[index] == NULL) | |
| 661 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
|
662 "Could not allocate memory for pattern #%d\n", index); |
| 0 | 663 |
| 664 result = jssXMUnpackPattern(inFile, xmP.size, module->patterns[index]); | |
| 665 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
|
666 JSSERROR(result, result, "Error in unpacking pattern #%d data\n", index); |
| 0 | 667 } |
| 668 | |
| 669 // Skip extra data (if the file is damaged) | |
| 88 | 670 remainder = xmP.headSize - (dmftell(inFile) - pos); |
| 671 if (remainder > 0) | |
| 0 | 672 { |
| 98 | 673 JSSDEBUG("xmP Skipping: %li\n", remainder); |
| 88 | 674 dmfseek(inFile, remainder, SEEK_CUR); |
| 0 | 675 } |
| 676 } | |
| 677 | |
| 678 // Allocate the empty pattern | |
| 679 module->patterns[jsetMaxPatterns] = jssAllocatePattern(64, module->nchannels); | |
| 680 | |
| 681 /* Convert song orders list by replacing nonexisting patterns | |
| 682 * with pattern number jsetMaxPatterns. | |
| 683 */ | |
| 684 for (index = 0; index < module->norders; index++) | |
| 685 { | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
686 int tmp = xmH->orderList[index]; |
| 1126 | 687 if (tmp >= module->npatterns || |
| 688 module->patterns[tmp] == NULL) | |
| 0 | 689 tmp = jsetMaxPatterns; |
| 690 | |
| 691 module->orderList[index] = tmp; | |
| 692 } | |
| 693 | |
|
1124
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
694 return DMERR_OK; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
695 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
696 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
697 |
|
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Modularize the XM loader somewhat by splitting to more functions.
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diff
changeset
|
698 static int jssXMLoadInstruments(DMResource *inFile, JSSModule *module) |
|
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|
699 { |
|
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diff
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|
700 int index; |
| 0 | 701 for (index = 0; index < module->nextInstruments; index++) |
| 702 { | |
|
1124
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diff
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|
703 int result = jssXMLoadExtInstrument(inFile, index, module); |
| 0 | 704 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
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|
705 JSSERROR(result, result, "Errors while reading instrument #%d\n", index); |
| 0 | 706 } |
|
1124
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796
diff
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|
707 return DMERR_OK; |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
708 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
709 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
710 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
711 /* Load XM-format module from given file-stream |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
712 */ |
|
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Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
713 int jssLoadXM(DMResource *inFile, JSSModule **ppModule, BOOL probe) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
714 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
715 JSSModule *module; |
|
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Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
716 XMHeader xmH; |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
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796
diff
changeset
|
717 int index, result; |
|
b8bfd9fbe1d9
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parents:
796
diff
changeset
|
718 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
719 assert(ppModule != NULL); |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
720 assert(inFile != NULL); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
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|
721 *ppModule = NULL; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
722 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
723 // 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
|
724 if (!dmf_read_str(inFile, &xmH.idMagic, sizeof(xmH.idMagic)) || |
|
b8bfd9fbe1d9
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parents:
796
diff
changeset
|
725 !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
|
726 !dmf_read_byte(inFile, &xmH.unUsed1A) || |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
727 !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
|
728 !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
|
729 !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
|
730 !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
|
731 !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
|
732 !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
|
733 !dmf_read_le16(inFile, &xmH.npatterns) || |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
734 !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
|
735 !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
|
736 !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
|
737 !dmf_read_le16(inFile, &xmH.defTempo)) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
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parents:
796
diff
changeset
|
738 return DMERR_FREAD; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
739 |
|
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 // 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
|
742 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
|
743 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
744 if (probe) |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
745 return DMERR_NOT_SUPPORTED; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
746 else |
|
b8bfd9fbe1d9
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Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
747 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
|
748 "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
|
749 } |
|
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 if (xmH.unUsed1A != 0x1a) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
752 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
753 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
|
754 "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
|
755 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
756 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
757 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
|
758 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
759 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
|
760 "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
|
761 xmH.norders, XM_MaxOrders); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
762 xmH.norders = XM_MaxOrders; |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
763 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
764 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
765 if (xmH.norders == 0) |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
766 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
767 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
|
768 "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
|
769 } |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
770 |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
771 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
|
772 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
773 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
|
774 "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
|
775 xmH.npatterns, XM_MaxPatterns); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
776 xmH.npatterns = XM_MaxPatterns; |
|
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.npatterns == 0) |
|
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 "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
|
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.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
|
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 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
|
789 xmH.nchannels, XM_MaxChannels); |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
790 } |
|
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 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
|
793 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
794 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
|
795 "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
|
796 xmH.ninstruments, XM_MaxInstruments); |
|
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 (!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
|
800 { |
|
b8bfd9fbe1d9
Modularize the XM loader somewhat by splitting to more functions.
Matti Hamalainen <ccr@tnsp.org>
parents:
796
diff
changeset
|
801 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
|
802 "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
|
803 } |
|
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804 |
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805 /* Okay, allocate a module structure |
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806 */ |
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807 module = jssAllocateModule(); |
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808 if (module == NULL) |
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809 { |
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810 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
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811 "Could not allocate memory for module structure.\n"); |
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812 } |
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813 *ppModule = module; |
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814 |
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815 |
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816 // Convert and check the header data |
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817 module->moduleType = jmdtXM; |
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818 module->intVersion = xmH.version; |
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819 #ifndef JSS_LIGHT |
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820 module->moduleName = jssASCIItoStr(xmH.songName, 0, sizeof(xmH.songName)); |
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821 module->trackerName = jssASCIItoStr(xmH.trackerName, 0, sizeof(xmH.trackerName)); |
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822 #endif |
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823 module->defSpeed = xmH.defSpeed; |
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824 module->defTempo = xmH.defTempo; |
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825 module->nextInstruments = xmH.ninstruments; |
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826 module->ninstruments = 0; |
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827 module->npatterns = xmH.npatterns; |
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828 module->norders = xmH.norders; |
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829 module->nchannels = xmH.nchannels; |
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830 module->defFlags = jmdfStereo | jmdfFT2Replay; |
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831 module->defRestartPos = xmH.defRestartPos; |
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832 |
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833 if ((xmH.flags & 1) == 0) |
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834 module->defFlags |= jmdfAmigaPeriods; |
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835 |
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836 // Setup the default pannings |
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837 for (index = 0; index < jsetNChannels; index++) |
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838 module->defPanning[index] = jchPanMiddle; |
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839 |
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840 // Load rest of the module |
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841 if ((result = jssXMLoadPatterns(inFile, module, &xmH)) != DMERR_OK) |
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842 return result; |
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843 |
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844 if ((result = jssXMLoadInstruments(inFile, module)) != DMERR_OK) |
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845 return result; |
| 0 | 846 |
| 847 return DMERR_OK; | |
| 848 } |