Mercurial > hg > dmlib
annotate dmengine.h @ 642:0888971cbff8
Add comment headers to several files.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 15 Apr 2013 10:36:05 +0300 |
| parents | c3852e49a610 |
| children | bb14d7907eb2 |
| rev | line source |
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1 /* |
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2 * dmlib |
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3 * -- Demo engine / editor common code and definitions |
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4 * Programmed and designed by Matti 'ccr' Hamalainen |
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5 * (C) Copyright 2012-2013 Tecnic Software productions (TNSP) |
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6 */ |
| 372 | 7 #ifndef DMENGINE_H |
| 8 #define DMENGINE_H | |
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9 |
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10 #include "dmlib.h" |
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11 #include <SDL_events.h> |
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12 #include <SDL_audio.h> |
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13 #include "dmres.h" |
| 368 | 14 #include "dmvecmat.h" |
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15 |
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16 #ifdef DM_USE_JSS |
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17 #include "jss.h" |
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18 #include "jssmod.h" |
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19 #include "jssmix.h" |
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20 #include "jssplr.h" |
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21 #endif |
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22 |
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23 |
| 317 | 24 #ifdef __cplusplus |
| 25 extern "C" { | |
| 26 #endif | |
| 27 | |
| 593 | 28 // Video setup screen / window size |
| 620 | 29 #define DM_VSETUP_WIDTH 640 |
| 30 #define DM_VSETUP_HEIGHT 480 | |
| 593 | 31 |
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32 |
| 593 | 33 // Video setup type |
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34 enum |
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35 { |
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36 DM_VSETUP_NONE = 0x00, // No video setup, just set window/screen to what demo specifies |
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37 DM_VSETUP_ASPECT = 0x01, // Only modes that match the optVidAspect aspect ratio are ok |
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38 DM_VSETUP_ANY = 0x02, // Any available mode is okay, the code can adapt |
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39 }; |
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40 |
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41 // Audio setup type |
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42 enum |
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43 { |
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44 DM_ASETUP_NONE = 0, |
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45 DM_ASETUP_JSS = 1, |
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46 DM_ASETUP_TREMOR = 2, |
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47 }; |
| 593 | 48 |
| 49 | |
| 317 | 50 |
| 368 | 51 #define DT_MAGIC_ID "SDMETLNE" |
| 52 #define DT_MAX_EFFECT_PARAMS 16 | |
| 53 #define DT_MAX_NAME_LENGTH 32 | |
| 54 #define DT_FLOAT_STORE_SIZE 16 | |
| 55 | |
| 56 | |
| 57 enum | |
| 58 { | |
| 59 EFIT_SET, // No interpolation, just "set" the value | |
| 60 EFIT_LINEAR, // Linear interpolation | |
| 61 EFIT_SMOOTH, // Smoothstep interpolation | |
| 62 }; | |
| 63 | |
| 64 enum | |
| 65 { | |
| 66 EFPT_INT, | |
| 67 EFPT_FLOAT, | |
| 68 EFPT_STRING, | |
| 69 EFPT_VECTOR, | |
| 70 EFPT_MATRIX, | |
| 71 }; | |
| 72 | |
| 73 | |
| 74 typedef struct | |
| 75 { | |
| 76 int type; // Interpolation type (EFIT_*) between this and next point | |
| 77 int time; // Offsets to event start, -1 == attach to event start, -2 = event end (if event) | |
| 78 | |
| 79 int vint; | |
| 80 DMFloat vfloat; | |
| 81 DMVector vector; | |
| 82 DMMatrix matrix; | |
| 83 } DMTimelinePoint; | |
| 84 | |
| 85 | |
| 86 typedef struct | |
| 87 { | |
| 88 int npoints, nallocated; | |
| 89 DMTimelinePoint *points; | |
| 90 } DMTimelinePoints; | |
| 91 | |
| 92 | |
| 93 typedef struct | |
| 94 { | |
| 95 char *name; // Name / description of the parameter | |
| 96 int type; // Type (EFPT_*) | |
| 97 | |
| 98 DMTimelinePoints pts; | |
| 99 char *vstr; | |
| 100 | |
| 101 // Current values (interpolated) | |
| 102 int vint; | |
| 103 DMFloat vfloat; | |
| 104 DMVector vvector; | |
| 105 DMMatrix vmatrix; | |
| 106 } DMTimelineEventParam; | |
| 107 | |
| 108 | |
| 109 typedef struct | |
| 110 { | |
| 111 char name[DT_MAX_NAME_LENGTH]; | |
| 112 Uint32 type; | |
| 113 } DMFTimelineEventParam; | |
| 114 | |
| 115 | |
| 116 struct DMEngineData; | |
| 117 | |
| 118 | |
| 119 typedef struct | |
| 120 { | |
| 121 char * name; | |
| 122 int type; | |
| 123 | |
| 124 int (*init)(struct DMEngineData *, void **data); | |
| 125 void (*shutdown)(struct DMEngineData *, void *data); | |
| 126 int (*render)(SDL_Surface *screen, void *data, const DMTimelineEventParam *params, const int time); | |
| 127 | |
| 128 int nparams; | |
| 129 DMTimelineEventParam params[DT_MAX_EFFECT_PARAMS]; | |
| 130 } DMEffect; | |
| 131 | |
| 132 | |
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133 #ifdef DM_USE_TIMELINE |
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134 |
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135 |
| 368 | 136 typedef struct |
| 137 { | |
| 138 Uint32 start, duration; | |
| 139 char effectName[DT_MAX_NAME_LENGTH]; | |
| 140 Uint32 nparams; | |
| 141 } DMFTimelineEvent; | |
| 142 | |
| 143 | |
| 144 typedef struct | |
| 145 { | |
| 146 int start, duration; | |
| 147 DMEffect *effect; | |
| 148 int nparams; | |
| 149 DMTimelineEventParam *params; | |
| 150 } DMTimelineEvent; | |
| 151 | |
| 152 | |
| 153 typedef struct | |
| 154 { | |
| 155 BOOL enabled; | |
| 156 DMTimelinePoints points; | |
| 157 } DMTimelineCurve; | |
| 158 | |
| 159 | |
| 160 typedef struct | |
| 161 { | |
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162 Uint32 index, layer; |
| 368 | 163 char name[DT_MAX_NAME_LENGTH]; |
| 164 Uint8 enabled; | |
| 165 Uint32 nevents; | |
| 166 } DMFTimelineTrack; | |
| 167 | |
| 168 | |
| 169 typedef struct | |
| 170 { | |
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171 int index; // Track index |
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172 int layer; // Target render layer (0 = engine.screen in software rendering) |
| 368 | 173 char *name; // Name of the timeline track |
| 174 BOOL enabled; // Enabled? | |
| 175 | |
| 176 int nevents, nallocated; // Number of events | |
| 177 DMTimelineEvent **events; // Events | |
| 178 | |
| 179 DMTimelineCurve composite; // Composite curve (transparency of the "layer") | |
| 180 } DMTimelineTrack; | |
| 181 | |
| 182 | |
| 183 typedef struct | |
| 184 { | |
| 185 char magic[8]; | |
| 186 char name[DT_MAX_NAME_LENGTH]; | |
| 187 Uint32 ntracks; | |
| 188 Uint32 duration; | |
| 189 } DMFTimeline; | |
| 190 | |
| 191 | |
| 192 typedef struct | |
| 193 { | |
| 194 char *name; | |
| 195 int ntracks, nallocated, duration; | |
| 196 DMTimelineTrack **tracks; | |
| 197 } DMTimeline; | |
| 198 | |
| 199 | |
| 200 typedef struct | |
| 201 { | |
| 202 DMTimelineTrack *track; | |
| 203 DMTimelineEvent *event; | |
| 204 } DMPreparedEvent; | |
| 205 | |
| 206 | |
| 207 typedef struct _DMPreparedEventGroup | |
| 208 { | |
| 209 int start, end, nevents, nallocated; | |
| 210 DMPreparedEvent *events; | |
| 211 | |
| 212 struct _DMPreparedEventGroup *next, *prev; | |
| 213 } DMPreparedEventGroup; | |
| 214 | |
| 215 | |
| 216 typedef struct | |
| 217 { | |
| 218 int duration, ngroups, pos; | |
| 219 DMPreparedEventGroup **groups; | |
| 220 } DMPreparedTimeline; | |
| 221 | |
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222 #endif |
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223 |
| 368 | 224 |
| 367 | 225 typedef struct DMEngineData |
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226 { |
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227 DMResourceLib *resources; |
| 368 | 228 void **effectData; |
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229 |
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230 #ifdef DM_USE_TIMELINE |
| 354 | 231 DMResource *timeline; |
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232 DMTimeline *tl; |
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233 DMPreparedTimeline *ptl; |
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234 #endif |
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235 |
| 361 | 236 int frameTime, frameCount, |
| 237 startTime, endTime, | |
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238 pauseTime; |
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239 |
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240 BOOL pauseFlag, paused, exitFlag; |
| 361 | 241 |
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242 SDL_Surface *screen; |
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243 SDL_Event event; |
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244 SDL_AudioSpec optAfmt; |
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245 int optAudioSetup; |
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246 |
| 593 | 247 int optVidWidth, optVidHeight, |
| 248 optVidDepth, optVFlags, | |
| 249 optVidAspect, optVidSetup; | |
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250 |
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251 int optResFlags; |
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252 char *optDataPath, *optPackFilename; |
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253 |
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254 #ifdef DM_USE_JSS |
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255 JSSMixer *dev; |
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256 JSSPlayer *plr; |
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257 int jss_format; |
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258 #endif |
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259 |
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260 #ifdef DM_USE_TREMOR |
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261 DMResource *audioRes; |
| 113 | 262 size_t audioPos; |
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263 #endif |
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264 |
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265 int (*demoInit)(struct DMEngineData *); |
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266 int (*demoInitPreVideo)(struct DMEngineData *); |
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267 int (*demoInitPostVideo)(struct DMEngineData *); |
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268 int (*demoRender)(struct DMEngineData *); |
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269 void (*demoShutdown)(struct DMEngineData *); |
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270 void (*demoQuit)(struct DMEngineData *); |
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271 |
| 622 | 272 // Setup specifics |
| 623 | 273 DMVector setupMenuPos, setupMenuDim, setupText1Pos; |
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274 BOOL setupMenuCenter, setupTextCondensed; |
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275 } DMEngineData; |
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276 |
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277 |
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278 extern DMEffect *engineEffects; |
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279 extern int nengineEffects, nengineEffectsAlloc; |
| 368 | 280 |
| 281 | |
| 282 // Effect registration | |
| 283 int engineRegisterEffect(const DMEffect *ef); | |
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284 int engineInitializeEffects(DMEngineData *); |
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285 void engineShutdownEffects(DMEngineData *); |
| 368 | 286 DMEffect *engineFindEffect(const char *name, const int nparams); |
| 287 DMEffect *engineFindEffectByName(const char *name); | |
| 288 | |
| 289 | |
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290 #ifdef DM_USE_TIMELINE |
| 368 | 291 // Basic timeline handling |
| 292 int dmLoadTimeline(DMResource *res, DMTimeline **tl); | |
| 293 void dmFreeTimeline(DMTimeline *tl); | |
| 294 | |
| 295 void dmFreeTimelinePoints(DMTimelinePoints *points); | |
| 296 void dmFreeTimelineEventParam(DMTimelineEventParam *param); | |
| 297 void dmFreeTimelineEvent(DMTimelineEvent *event); | |
| 298 void dmFreeTimelineTrack(DMTimelineTrack *track); | |
| 299 | |
| 300 | |
| 301 // Execution related | |
| 302 int dmPrepareTimeline(DMTimeline *tl, DMPreparedTimeline *ptl); | |
| 303 void dmFreePreparedTimelineData(DMPreparedTimeline *ptl); | |
| 304 | |
| 305 int dmSeekTimeline(DMPreparedTimeline *tl, int time); | |
| 306 int dmExecuteTimeline(DMPreparedTimeline *tl, SDL_Surface *screen, int time); | |
| 307 | |
| 308 | |
| 309 // Editing/saving related functions | |
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310 int dmCopyTimelinePoints(const DMTimelinePoints *src, DMTimelinePoints *dst); |
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311 int dmCopyTimelineEventParam(const DMTimelineEventParam *src, DMTimelineEventParam *dst); |
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312 int dmCopyTimelineEvent(const DMTimelineEvent *src, DMTimelineEvent **pdst); |
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313 int dmCopyTimelineCurve(const DMTimelineCurve *src, DMTimelineCurve *dst); |
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314 int dmCopyTimelineTrack(const DMTimelineTrack *src, DMTimelineTrack **pdst); |
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315 int dmCopyTimeline(const DMTimeline *src, DMTimeline **pdst); |
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316 |
| 368 | 317 int dmSaveTimeline(DMResource *res, DMTimeline *tl); |
| 318 | |
| 319 int dmTimelineNew(DMTimeline **tl, const char *name); | |
| 320 int dmTimelineAddTrack(DMTimeline *tl, DMTimelineTrack **track, const char *name); | |
| 321 int dmTimelineTrackAddEvent(DMTimelineTrack *track, int start, int duration, DMTimelineEvent **pev); | |
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322 int dmTimelineEventSetEffect(DMTimelineEvent *event, DMEffect *ef); |
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323 int dmTimelineEventSetEffectByIndex(DMTimelineEvent *event, const int index); |
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324 int dmTimelineEventSetEffectByName(DMTimelineEvent *event, const char *name); |
| 368 | 325 |
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326 #endif // DM_USE_TIMELINE |
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327 |
| 368 | 328 |
| 329 // Resource helpers | |
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330 #define engineGetResImage(eng, x, name) \ |
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331 do { \ |
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332 if ((x = (SDL_Surface *) engineGetResource(eng, name)) == NULL) \ |
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333 return DMERR_INIT_FAIL; \ |
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334 } while (0) |
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335 |
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336 #define engineGetResModule(eng, x, name) \ |
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337 do { \ |
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338 if ((x = (JSSModule *) engineGetResource(eng, name)) == NULL) \ |
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339 return DMERR_INIT_FAIL; \ |
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340 } while (0) |
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341 |
| 367 | 342 #define engineFindResource(eng, name) dmres_find((eng)->resources, name) |
| 343 | |
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344 |
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345 int engineClassifier(DMResource *res); |
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346 void * engineGetResource(DMEngineData *eng, const char *name); |
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347 int engineGetTime(DMEngineData *eng, int t); |
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348 int engineGetTimeDTi(DMEngineData *eng); |
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349 int engineGetTick(DMEngineData *eng); |
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350 float engineGetTimeDT(DMEngineData *eng); |
| 368 | 351 |
| 593 | 352 int engineGetVideoAspect(int width, int height); |
| 353 | |
| 354 | |
| 368 | 355 // Implemented in actual demo code |
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356 int demoPreInit(DMEngineData *eng); |
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357 |
| 317 | 358 |
| 359 #ifdef __cplusplus | |
| 360 } | |
| 361 #endif | |
| 362 | |
| 372 | 363 #endif // DMENGINE_H |