Mercurial > hg > dmlib
annotate dmengine.h @ 578:cf5d44b36851
Add some initial code for video setup screen.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 12 Apr 2013 04:44:25 +0300 |
| parents | 14640d0688d3 |
| children | 17bf1704d42e |
| rev | line source |
|---|---|
| 372 | 1 #ifndef DMENGINE_H |
| 2 #define DMENGINE_H | |
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3 |
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4 #include "dmlib.h" |
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5 #include <SDL_events.h> |
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6 #include <SDL_audio.h> |
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7 #include "dmres.h" |
| 368 | 8 #include "dmvecmat.h" |
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9 |
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10 #ifdef DM_USE_JSS |
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11 #include "jss.h" |
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12 #include "jssmod.h" |
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13 #include "jssmix.h" |
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14 #include "jssplr.h" |
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15 #endif |
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17 |
| 317 | 18 #ifdef __cplusplus |
| 19 extern "C" { | |
| 20 #endif | |
| 21 | |
| 22 | |
| 368 | 23 #define DT_MAGIC_ID "SDMETLNE" |
| 24 #define DT_MAX_EFFECT_PARAMS 16 | |
| 25 #define DT_MAX_NAME_LENGTH 32 | |
| 26 #define DT_FLOAT_STORE_SIZE 16 | |
| 27 | |
| 28 | |
| 29 enum | |
| 30 { | |
| 31 EFIT_SET, // No interpolation, just "set" the value | |
| 32 EFIT_LINEAR, // Linear interpolation | |
| 33 EFIT_SMOOTH, // Smoothstep interpolation | |
| 34 }; | |
| 35 | |
| 36 enum | |
| 37 { | |
| 38 EFPT_INT, | |
| 39 EFPT_FLOAT, | |
| 40 EFPT_STRING, | |
| 41 EFPT_VECTOR, | |
| 42 EFPT_MATRIX, | |
| 43 }; | |
| 44 | |
| 45 | |
| 46 typedef struct | |
| 47 { | |
| 48 int type; // Interpolation type (EFIT_*) between this and next point | |
| 49 int time; // Offsets to event start, -1 == attach to event start, -2 = event end (if event) | |
| 50 | |
| 51 int vint; | |
| 52 DMFloat vfloat; | |
| 53 DMVector vector; | |
| 54 DMMatrix matrix; | |
| 55 } DMTimelinePoint; | |
| 56 | |
| 57 | |
| 58 typedef struct | |
| 59 { | |
| 60 int npoints, nallocated; | |
| 61 DMTimelinePoint *points; | |
| 62 } DMTimelinePoints; | |
| 63 | |
| 64 | |
| 65 typedef struct | |
| 66 { | |
| 67 char *name; // Name / description of the parameter | |
| 68 int type; // Type (EFPT_*) | |
| 69 | |
| 70 DMTimelinePoints pts; | |
| 71 char *vstr; | |
| 72 | |
| 73 // Current values (interpolated) | |
| 74 int vint; | |
| 75 DMFloat vfloat; | |
| 76 DMVector vvector; | |
| 77 DMMatrix vmatrix; | |
| 78 } DMTimelineEventParam; | |
| 79 | |
| 80 | |
| 81 typedef struct | |
| 82 { | |
| 83 char name[DT_MAX_NAME_LENGTH]; | |
| 84 Uint32 type; | |
| 85 } DMFTimelineEventParam; | |
| 86 | |
| 87 | |
| 88 struct DMEngineData; | |
| 89 | |
| 90 | |
| 91 typedef struct | |
| 92 { | |
| 93 char * name; | |
| 94 int type; | |
| 95 | |
| 96 int (*init)(struct DMEngineData *, void **data); | |
| 97 void (*shutdown)(struct DMEngineData *, void *data); | |
| 98 int (*render)(SDL_Surface *screen, void *data, const DMTimelineEventParam *params, const int time); | |
| 99 | |
| 100 int nparams; | |
| 101 DMTimelineEventParam params[DT_MAX_EFFECT_PARAMS]; | |
| 102 } DMEffect; | |
| 103 | |
| 104 | |
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105 #ifdef DM_USE_TIMELINE |
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106 |
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107 |
| 368 | 108 typedef struct |
| 109 { | |
| 110 Uint32 start, duration; | |
| 111 char effectName[DT_MAX_NAME_LENGTH]; | |
| 112 Uint32 nparams; | |
| 113 } DMFTimelineEvent; | |
| 114 | |
| 115 | |
| 116 typedef struct | |
| 117 { | |
| 118 int start, duration; | |
| 119 DMEffect *effect; | |
| 120 int nparams; | |
| 121 DMTimelineEventParam *params; | |
| 122 } DMTimelineEvent; | |
| 123 | |
| 124 | |
| 125 typedef struct | |
| 126 { | |
| 127 BOOL enabled; | |
| 128 DMTimelinePoints points; | |
| 129 } DMTimelineCurve; | |
| 130 | |
| 131 | |
| 132 typedef struct | |
| 133 { | |
| 134 char name[DT_MAX_NAME_LENGTH]; | |
| 135 Uint8 enabled; | |
| 136 Uint32 nevents; | |
| 137 } DMFTimelineTrack; | |
| 138 | |
| 139 | |
| 140 typedef struct | |
| 141 { | |
| 142 char *name; // Name of the timeline track | |
| 143 BOOL enabled; // Enabled? | |
| 144 | |
| 145 int nevents, nallocated; // Number of events | |
| 146 DMTimelineEvent **events; // Events | |
| 147 | |
| 148 DMTimelineCurve composite; // Composite curve (transparency of the "layer") | |
| 149 } DMTimelineTrack; | |
| 150 | |
| 151 | |
| 152 typedef struct | |
| 153 { | |
| 154 char magic[8]; | |
| 155 char name[DT_MAX_NAME_LENGTH]; | |
| 156 Uint32 ntracks; | |
| 157 Uint32 duration; | |
| 158 } DMFTimeline; | |
| 159 | |
| 160 | |
| 161 typedef struct | |
| 162 { | |
| 163 char *name; | |
| 164 int ntracks, nallocated, duration; | |
| 165 DMTimelineTrack **tracks; | |
| 166 } DMTimeline; | |
| 167 | |
| 168 | |
| 169 typedef struct | |
| 170 { | |
| 171 DMTimelineTrack *track; | |
| 172 DMTimelineEvent *event; | |
| 173 } DMPreparedEvent; | |
| 174 | |
| 175 | |
| 176 typedef struct _DMPreparedEventGroup | |
| 177 { | |
| 178 int start, end, nevents, nallocated; | |
| 179 DMPreparedEvent *events; | |
| 180 | |
| 181 struct _DMPreparedEventGroup *next, *prev; | |
| 182 } DMPreparedEventGroup; | |
| 183 | |
| 184 | |
| 185 typedef struct | |
| 186 { | |
| 187 int duration, ngroups, pos; | |
| 188 DMPreparedEventGroup **groups; | |
| 189 } DMPreparedTimeline; | |
| 190 | |
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191 #endif |
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192 |
| 368 | 193 |
| 367 | 194 typedef struct DMEngineData |
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195 { |
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196 DMResourceLib *resources; |
| 368 | 197 void **effectData; |
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198 |
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199 #ifdef DM_USE_TIMELINE |
| 354 | 200 DMResource *timeline; |
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201 DMTimeline *tl; |
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202 DMPreparedTimeline *ptl; |
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203 #endif |
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204 |
| 361 | 205 int frameTime, frameCount, |
| 206 startTime, endTime, | |
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207 pauseTime; |
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208 |
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209 BOOL pauseFlag, paused, exitFlag; |
| 361 | 210 |
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211 SDL_Surface *screen; |
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212 SDL_Event event; |
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213 SDL_AudioSpec optAfmt; |
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214 |
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215 int optScrWidth, optScrHeight, |
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216 optScrDepth, optVFlags, optScrAspect; |
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217 |
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218 int optResFlags; |
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219 char *optDataPath, *optPackFilename; |
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220 |
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221 #ifdef DM_USE_JSS |
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222 JSSMixer *dev; |
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223 JSSPlayer *plr; |
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224 int jss_format; |
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225 #endif |
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226 |
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227 #ifdef DM_USE_TREMOR |
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228 DMResource *audioRes; |
| 113 | 229 size_t audioPos; |
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230 #endif |
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231 |
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232 int (*demoInit)(struct DMEngineData *); |
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233 int (*demoInitPreVideo)(struct DMEngineData *); |
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234 int (*demoInitPostVideo)(struct DMEngineData *); |
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235 int (*demoRender)(struct DMEngineData *); |
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236 void (*demoShutdown)(struct DMEngineData *); |
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237 void (*demoQuit)(struct DMEngineData *); |
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238 |
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239 } DMEngineData; |
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240 |
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241 |
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242 extern DMEffect *engineEffects; |
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243 extern int nengineEffects, nengineEffectsAlloc; |
| 368 | 244 |
| 245 | |
| 246 // Effect registration | |
| 247 int engineRegisterEffect(const DMEffect *ef); | |
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248 int engineInitializeEffects(DMEngineData *); |
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249 void engineShutdownEffects(DMEngineData *); |
| 368 | 250 DMEffect *engineFindEffect(const char *name, const int nparams); |
| 251 DMEffect *engineFindEffectByName(const char *name); | |
| 252 | |
| 253 | |
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254 #ifdef DM_USE_TIMELINE |
| 368 | 255 // Basic timeline handling |
| 256 int dmLoadTimeline(DMResource *res, DMTimeline **tl); | |
| 257 void dmFreeTimeline(DMTimeline *tl); | |
| 258 | |
| 259 void dmFreeTimelinePoints(DMTimelinePoints *points); | |
| 260 void dmFreeTimelineEventParam(DMTimelineEventParam *param); | |
| 261 void dmFreeTimelineEvent(DMTimelineEvent *event); | |
| 262 void dmFreeTimelineTrack(DMTimelineTrack *track); | |
| 263 | |
| 264 | |
| 265 // Execution related | |
| 266 int dmPrepareTimeline(DMTimeline *tl, DMPreparedTimeline *ptl); | |
| 267 void dmFreePreparedTimelineData(DMPreparedTimeline *ptl); | |
| 268 | |
| 269 int dmSeekTimeline(DMPreparedTimeline *tl, int time); | |
| 270 int dmExecuteTimeline(DMPreparedTimeline *tl, SDL_Surface *screen, int time); | |
| 271 | |
| 272 | |
| 273 // Editing/saving related functions | |
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274 int dmCopyTimelinePoints(const DMTimelinePoints *src, DMTimelinePoints *dst); |
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275 int dmCopyTimelineEventParam(const DMTimelineEventParam *src, DMTimelineEventParam *dst); |
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276 int dmCopyTimelineEvent(const DMTimelineEvent *src, DMTimelineEvent **pdst); |
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277 int dmCopyTimelineCurve(const DMTimelineCurve *src, DMTimelineCurve *dst); |
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278 int dmCopyTimelineTrack(const DMTimelineTrack *src, DMTimelineTrack **pdst); |
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279 int dmCopyTimeline(const DMTimeline *src, DMTimeline **pdst); |
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280 |
| 368 | 281 int dmSaveTimeline(DMResource *res, DMTimeline *tl); |
| 282 | |
| 283 int dmTimelineNew(DMTimeline **tl, const char *name); | |
| 284 int dmTimelineAddTrack(DMTimeline *tl, DMTimelineTrack **track, const char *name); | |
| 285 int dmTimelineTrackAddEvent(DMTimelineTrack *track, int start, int duration, DMTimelineEvent **pev); | |
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286 int dmTimelineEventSetEffect(DMTimelineEvent *event, DMEffect *ef); |
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287 int dmTimelineEventSetEffectByIndex(DMTimelineEvent *event, const int index); |
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288 int dmTimelineEventSetEffectByName(DMTimelineEvent *event, const char *name); |
| 368 | 289 |
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290 #endif // DM_USE_TIMELINE |
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291 |
| 368 | 292 |
| 293 // Resource helpers | |
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294 #define engineGetResImage(eng, x, name) \ |
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295 do { \ |
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296 if ((x = (SDL_Surface *) engineGetResource(eng, name)) == NULL) \ |
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297 return DMERR_INIT_FAIL; \ |
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298 } while (0) |
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299 |
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300 #define engineGetResModule(eng, x, name) \ |
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301 do { \ |
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302 if ((x = (JSSModule *) engineGetResource(eng, name)) == NULL) \ |
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303 return DMERR_INIT_FAIL; \ |
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304 } while (0) |
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305 |
| 367 | 306 #define engineFindResource(eng, name) dmres_find((eng)->resources, name) |
| 307 | |
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308 |
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309 int engineClassifier(DMResource *res); |
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310 void * engineGetResource(DMEngineData *eng, const char *name); |
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311 int engineGetTime(DMEngineData *eng, int t); |
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312 int engineGetTimeDTi(DMEngineData *eng); |
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313 int engineGetTick(DMEngineData *eng); |
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314 float engineGetTimeDT(DMEngineData *eng); |
| 368 | 315 |
| 316 // Implemented in actual demo code | |
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317 int demoPreInit(DMEngineData *eng); |
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318 |
| 317 | 319 |
| 320 #ifdef __cplusplus | |
| 321 } | |
| 322 #endif | |
| 323 | |
| 372 | 324 #endif // DMENGINE_H |