diff options
Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8.1/include/IQ3Shader.h | 885 |
1 files changed, 885 insertions, 0 deletions
diff --git a/libraries/irrlicht-1.8.1/include/IQ3Shader.h b/libraries/irrlicht-1.8.1/include/IQ3Shader.h new file mode 100644 index 0000000..7dc15e5 --- /dev/null +++ b/libraries/irrlicht-1.8.1/include/IQ3Shader.h | |||
@@ -0,0 +1,885 @@ | |||
1 | // Copyright (C) 2006-2012 Nikolaus Gebhardt / Thomas Alten | ||
2 | // This file is part of the "Irrlicht Engine". | ||
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | ||
4 | |||
5 | #ifndef __I_Q3_LEVEL_SHADER_H_INCLUDED__ | ||
6 | #define __I_Q3_LEVEL_SHADER_H_INCLUDED__ | ||
7 | |||
8 | #include "irrArray.h" | ||
9 | #include "fast_atof.h" | ||
10 | #include "IFileSystem.h" | ||
11 | #include "IVideoDriver.h" | ||
12 | #include "coreutil.h" | ||
13 | |||
14 | namespace irr | ||
15 | { | ||
16 | namespace scene | ||
17 | { | ||
18 | namespace quake3 | ||
19 | { | ||
20 | |||
21 | static core::stringc irrEmptyStringc(""); | ||
22 | |||
23 | //! Hold the different Mesh Types used for getMesh | ||
24 | enum eQ3MeshIndex | ||
25 | { | ||
26 | E_Q3_MESH_GEOMETRY = 0, | ||
27 | E_Q3_MESH_ITEMS, | ||
28 | E_Q3_MESH_BILLBOARD, | ||
29 | E_Q3_MESH_FOG, | ||
30 | E_Q3_MESH_UNRESOLVED, | ||
31 | E_Q3_MESH_SIZE | ||
32 | }; | ||
33 | |||
34 | /*! used to customize Quake3 BSP Loader | ||
35 | */ | ||
36 | |||
37 | struct Q3LevelLoadParameter | ||
38 | { | ||
39 | Q3LevelLoadParameter () | ||
40 | :defaultLightMapMaterial ( video::EMT_LIGHTMAP_M4 ), | ||
41 | defaultModulate ( video::EMFN_MODULATE_4X ), | ||
42 | defaultFilter ( video::EMF_BILINEAR_FILTER ), | ||
43 | patchTesselation ( 8 ), | ||
44 | verbose ( 0 ), | ||
45 | startTime ( 0 ), endTime ( 0 ), | ||
46 | mergeShaderBuffer ( 1 ), | ||
47 | cleanUnResolvedMeshes ( 1 ), | ||
48 | loadAllShaders ( 0 ), | ||
49 | loadSkyShader ( 0 ), | ||
50 | alpharef ( 1 ), | ||
51 | swapLump ( 0 ), | ||
52 | #ifdef __BIG_ENDIAN__ | ||
53 | swapHeader ( 1 ) | ||
54 | #else | ||
55 | swapHeader ( 0 ) | ||
56 | #endif | ||
57 | { | ||
58 | memcpy ( scriptDir, "scripts\x0", 8 ); | ||
59 | } | ||
60 | |||
61 | video::E_MATERIAL_TYPE defaultLightMapMaterial; | ||
62 | video::E_MODULATE_FUNC defaultModulate; | ||
63 | video::E_MATERIAL_FLAG defaultFilter; | ||
64 | s32 patchTesselation; | ||
65 | s32 verbose; | ||
66 | u32 startTime; | ||
67 | u32 endTime; | ||
68 | s32 mergeShaderBuffer; | ||
69 | s32 cleanUnResolvedMeshes; | ||
70 | s32 loadAllShaders; | ||
71 | s32 loadSkyShader; | ||
72 | s32 alpharef; | ||
73 | s32 swapLump; | ||
74 | s32 swapHeader; | ||
75 | c8 scriptDir [ 64 ]; | ||
76 | }; | ||
77 | |||
78 | // some useful typedefs | ||
79 | typedef core::array< core::stringc > tStringList; | ||
80 | typedef core::array< video::ITexture* > tTexArray; | ||
81 | |||
82 | // string helper.. TODO: move to generic files | ||
83 | inline s16 isEqual ( const core::stringc &string, u32 &pos, const c8 *list[], u16 listSize ) | ||
84 | { | ||
85 | const char * in = string.c_str () + pos; | ||
86 | |||
87 | for ( u16 i = 0; i != listSize; ++i ) | ||
88 | { | ||
89 | if (string.size() < pos) | ||
90 | return -2; | ||
91 | u32 len = (u32) strlen ( list[i] ); | ||
92 | if (string.size() < pos+len) | ||
93 | continue; | ||
94 | if ( in [len] != 0 && in [len] != ' ' ) | ||
95 | continue; | ||
96 | if ( strncmp ( in, list[i], len ) ) | ||
97 | continue; | ||
98 | |||
99 | pos += len + 1; | ||
100 | return (s16) i; | ||
101 | } | ||
102 | return -2; | ||
103 | } | ||
104 | |||
105 | inline f32 getAsFloat ( const core::stringc &string, u32 &pos ) | ||
106 | { | ||
107 | const char * in = string.c_str () + pos; | ||
108 | |||
109 | f32 value = 0.f; | ||
110 | pos += (u32) ( core::fast_atof_move ( in, value ) - in ) + 1; | ||
111 | return value; | ||
112 | } | ||
113 | |||
114 | //! get a quake3 vector translated to irrlicht position (x,-z,y ) | ||
115 | inline core::vector3df getAsVector3df ( const core::stringc &string, u32 &pos ) | ||
116 | { | ||
117 | core::vector3df v; | ||
118 | |||
119 | v.X = getAsFloat ( string, pos ); | ||
120 | v.Z = getAsFloat ( string, pos ); | ||
121 | v.Y = getAsFloat ( string, pos ); | ||
122 | |||
123 | return v; | ||
124 | } | ||
125 | |||
126 | |||
127 | /* | ||
128 | extract substrings | ||
129 | */ | ||
130 | inline void getAsStringList ( tStringList &list, s32 max, const core::stringc &string, u32 &startPos ) | ||
131 | { | ||
132 | list.clear (); | ||
133 | |||
134 | s32 finish = 0; | ||
135 | s32 endPos; | ||
136 | do | ||
137 | { | ||
138 | endPos = string.findNext ( ' ', startPos ); | ||
139 | if ( endPos == -1 ) | ||
140 | { | ||
141 | finish = 1; | ||
142 | endPos = string.size(); | ||
143 | } | ||
144 | |||
145 | list.push_back ( string.subString ( startPos, endPos - startPos ) ); | ||
146 | startPos = endPos + 1; | ||
147 | |||
148 | if ( list.size() >= (u32) max ) | ||
149 | finish = 1; | ||
150 | |||
151 | } while ( !finish ); | ||
152 | |||
153 | } | ||
154 | |||
155 | //! A blend function for a q3 shader. | ||
156 | struct SBlendFunc | ||
157 | { | ||
158 | SBlendFunc ( video::E_MODULATE_FUNC mod ) | ||
159 | : type ( video::EMT_SOLID ), modulate ( mod ), | ||
160 | param0( 0.f ), | ||
161 | isTransparent ( 0 ) {} | ||
162 | |||
163 | video::E_MATERIAL_TYPE type; | ||
164 | video::E_MODULATE_FUNC modulate; | ||
165 | |||
166 | f32 param0; | ||
167 | u32 isTransparent; | ||
168 | }; | ||
169 | |||
170 | // parses the content of Variable cull | ||
171 | inline bool getCullingFunction ( const core::stringc &cull ) | ||
172 | { | ||
173 | if ( cull.size() == 0 ) | ||
174 | return true; | ||
175 | |||
176 | bool ret = true; | ||
177 | static const c8 * funclist[] = { "none", "disable", "twosided" }; | ||
178 | |||
179 | u32 pos = 0; | ||
180 | switch ( isEqual ( cull, pos, funclist, 3 ) ) | ||
181 | { | ||
182 | case 0: | ||
183 | case 1: | ||
184 | case 2: | ||
185 | ret = false; | ||
186 | break; | ||
187 | } | ||
188 | return ret; | ||
189 | } | ||
190 | |||
191 | // parses the content of Variable depthfunc | ||
192 | // return a z-test | ||
193 | inline u8 getDepthFunction ( const core::stringc &string ) | ||
194 | { | ||
195 | u8 ret = video::ECFN_LESSEQUAL; | ||
196 | |||
197 | if ( string.size() == 0 ) | ||
198 | return ret; | ||
199 | |||
200 | static const c8 * funclist[] = { "lequal","equal" }; | ||
201 | |||
202 | u32 pos = 0; | ||
203 | switch ( isEqual ( string, pos, funclist, 2 ) ) | ||
204 | { | ||
205 | case 0: | ||
206 | ret = video::ECFN_LESSEQUAL; | ||
207 | break; | ||
208 | case 1: | ||
209 | ret = video::ECFN_EQUAL; | ||
210 | break; | ||
211 | } | ||
212 | return ret; | ||
213 | } | ||
214 | |||
215 | |||
216 | /*! | ||
217 | parses the content of Variable blendfunc,alphafunc | ||
218 | it also make a hint for rendering as transparent or solid node. | ||
219 | |||
220 | we assume a typical quake scene would look like this.. | ||
221 | 1) Big Static Mesh ( solid ) | ||
222 | 2) static scene item ( may use transparency ) but rendered in the solid pass | ||
223 | 3) additional transparency item in the transparent pass | ||
224 | |||
225 | it's not 100% accurate! it just empirical.. | ||
226 | */ | ||
227 | inline static void getBlendFunc ( const core::stringc &string, SBlendFunc &blendfunc ) | ||
228 | { | ||
229 | if ( string.size() == 0 ) | ||
230 | return; | ||
231 | |||
232 | // maps to E_BLEND_FACTOR | ||
233 | static const c8 * funclist[] = | ||
234 | { | ||
235 | "gl_zero", | ||
236 | "gl_one", | ||
237 | "gl_dst_color", | ||
238 | "gl_one_minus_dst_color", | ||
239 | "gl_src_color", | ||
240 | "gl_one_minus_src_color", | ||
241 | "gl_src_alpha", | ||
242 | "gl_one_minus_src_alpha", | ||
243 | "gl_dst_alpha", | ||
244 | "gl_one_minus_dst_alpha", | ||
245 | "gl_src_alpha_sat", | ||
246 | |||
247 | "add", | ||
248 | "filter", | ||
249 | "blend", | ||
250 | |||
251 | "ge128", | ||
252 | "gt0", | ||
253 | }; | ||
254 | |||
255 | |||
256 | u32 pos = 0; | ||
257 | s32 srcFact = isEqual ( string, pos, funclist, 16 ); | ||
258 | |||
259 | if ( srcFact < 0 ) | ||
260 | return; | ||
261 | |||
262 | u32 resolved = 0; | ||
263 | s32 dstFact = isEqual ( string, pos, funclist, 16 ); | ||
264 | |||
265 | switch ( srcFact ) | ||
266 | { | ||
267 | case video::EBF_ZERO: | ||
268 | switch ( dstFact ) | ||
269 | { | ||
270 | // gl_zero gl_src_color == gl_dst_color gl_zero | ||
271 | case video::EBF_SRC_COLOR: | ||
272 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
273 | blendfunc.param0 = video::pack_textureBlendFunc ( video::EBF_DST_COLOR, video::EBF_ZERO, blendfunc.modulate ); | ||
274 | blendfunc.isTransparent = 1; | ||
275 | resolved = 1; | ||
276 | break; | ||
277 | } break; | ||
278 | |||
279 | case video::EBF_ONE: | ||
280 | switch ( dstFact ) | ||
281 | { | ||
282 | // gl_one gl_zero | ||
283 | case video::EBF_ZERO: | ||
284 | blendfunc.type = video::EMT_SOLID; | ||
285 | blendfunc.isTransparent = 0; | ||
286 | resolved = 1; | ||
287 | break; | ||
288 | |||
289 | // gl_one gl_one | ||
290 | case video::EBF_ONE: | ||
291 | blendfunc.type = video::EMT_TRANSPARENT_ADD_COLOR; | ||
292 | blendfunc.isTransparent = 1; | ||
293 | resolved = 1; | ||
294 | break; | ||
295 | } break; | ||
296 | |||
297 | case video::EBF_SRC_ALPHA: | ||
298 | switch ( dstFact ) | ||
299 | { | ||
300 | // gl_src_alpha gl_one_minus_src_alpha | ||
301 | case video::EBF_ONE_MINUS_SRC_ALPHA: | ||
302 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
303 | blendfunc.param0 = 1.f/255.f; | ||
304 | blendfunc.isTransparent = 1; | ||
305 | resolved = 1; | ||
306 | break; | ||
307 | } break; | ||
308 | |||
309 | case 11: | ||
310 | // add | ||
311 | blendfunc.type = video::EMT_TRANSPARENT_ADD_COLOR; | ||
312 | blendfunc.isTransparent = 1; | ||
313 | resolved = 1; | ||
314 | break; | ||
315 | case 12: | ||
316 | // filter = gl_dst_color gl_zero or gl_zero gl_src_color | ||
317 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
318 | blendfunc.param0 = video::pack_textureBlendFunc ( video::EBF_DST_COLOR, video::EBF_ZERO, blendfunc.modulate ); | ||
319 | blendfunc.isTransparent = 1; | ||
320 | resolved = 1; | ||
321 | break; | ||
322 | case 13: | ||
323 | // blend = gl_src_alpha gl_one_minus_src_alpha | ||
324 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
325 | blendfunc.param0 = 1.f/255.f; | ||
326 | blendfunc.isTransparent = 1; | ||
327 | resolved = 1; | ||
328 | break; | ||
329 | case 14: | ||
330 | // alphafunc ge128 | ||
331 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
332 | blendfunc.param0 = 0.5f; | ||
333 | blendfunc.isTransparent = 1; | ||
334 | resolved = 1; | ||
335 | break; | ||
336 | case 15: | ||
337 | // alphafunc gt0 | ||
338 | blendfunc.type = video::EMT_TRANSPARENT_ALPHA_CHANNEL; | ||
339 | blendfunc.param0 = 1.f / 255.f; | ||
340 | blendfunc.isTransparent = 1; | ||
341 | resolved = 1; | ||
342 | break; | ||
343 | |||
344 | } | ||
345 | |||
346 | // use the generic blender | ||
347 | if ( 0 == resolved ) | ||
348 | { | ||
349 | blendfunc.type = video::EMT_ONETEXTURE_BLEND; | ||
350 | blendfunc.param0 = video::pack_textureBlendFunc ( | ||
351 | (video::E_BLEND_FACTOR) srcFact, | ||
352 | (video::E_BLEND_FACTOR) dstFact, | ||
353 | blendfunc.modulate); | ||
354 | |||
355 | blendfunc.isTransparent = 1; | ||
356 | } | ||
357 | } | ||
358 | |||
359 | // random noise [-1;1] | ||
360 | struct Noiser | ||
361 | { | ||
362 | static f32 get () | ||
363 | { | ||
364 | static u32 RandomSeed = 0x69666966; | ||
365 | RandomSeed = (RandomSeed * 3631 + 1); | ||
366 | |||
367 | f32 value = ( (f32) (RandomSeed & 0x7FFF ) * (1.0f / (f32)(0x7FFF >> 1) ) ) - 1.f; | ||
368 | return value; | ||
369 | } | ||
370 | }; | ||
371 | |||
372 | enum eQ3ModifierFunction | ||
373 | { | ||
374 | TCMOD = 0, | ||
375 | DEFORMVERTEXES = 1, | ||
376 | RGBGEN = 2, | ||
377 | TCGEN = 3, | ||
378 | MAP = 4, | ||
379 | ALPHAGEN = 5, | ||
380 | |||
381 | FUNCTION2 = 0x10, | ||
382 | SCROLL = FUNCTION2 + 1, | ||
383 | SCALE = FUNCTION2 + 2, | ||
384 | ROTATE = FUNCTION2 + 3, | ||
385 | STRETCH = FUNCTION2 + 4, | ||
386 | TURBULENCE = FUNCTION2 + 5, | ||
387 | WAVE = FUNCTION2 + 6, | ||
388 | |||
389 | IDENTITY = FUNCTION2 + 7, | ||
390 | VERTEX = FUNCTION2 + 8, | ||
391 | TEXTURE = FUNCTION2 + 9, | ||
392 | LIGHTMAP = FUNCTION2 + 10, | ||
393 | ENVIRONMENT = FUNCTION2 + 11, | ||
394 | DOLLAR_LIGHTMAP = FUNCTION2 + 12, | ||
395 | BULGE = FUNCTION2 + 13, | ||
396 | AUTOSPRITE = FUNCTION2 + 14, | ||
397 | AUTOSPRITE2 = FUNCTION2 + 15, | ||
398 | TRANSFORM = FUNCTION2 + 16, | ||
399 | EXACTVERTEX = FUNCTION2 + 17, | ||
400 | CONSTANT = FUNCTION2 + 18, | ||
401 | LIGHTINGSPECULAR = FUNCTION2 + 19, | ||
402 | MOVE = FUNCTION2 + 20, | ||
403 | NORMAL = FUNCTION2 + 21, | ||
404 | IDENTITYLIGHTING = FUNCTION2 + 22, | ||
405 | |||
406 | WAVE_MODIFIER_FUNCTION = 0x30, | ||
407 | SINUS = WAVE_MODIFIER_FUNCTION + 1, | ||
408 | COSINUS = WAVE_MODIFIER_FUNCTION + 2, | ||
409 | SQUARE = WAVE_MODIFIER_FUNCTION + 3, | ||
410 | TRIANGLE = WAVE_MODIFIER_FUNCTION + 4, | ||
411 | SAWTOOTH = WAVE_MODIFIER_FUNCTION + 5, | ||
412 | SAWTOOTH_INVERSE = WAVE_MODIFIER_FUNCTION + 6, | ||
413 | NOISE = WAVE_MODIFIER_FUNCTION + 7, | ||
414 | |||
415 | |||
416 | UNKNOWN = -2 | ||
417 | |||
418 | }; | ||
419 | |||
420 | struct SModifierFunction | ||
421 | { | ||
422 | SModifierFunction () | ||
423 | : masterfunc0 ( UNKNOWN ), masterfunc1( UNKNOWN ), func ( SINUS ), | ||
424 | tcgen( TEXTURE ), rgbgen ( IDENTITY ), alphagen ( UNKNOWN ), | ||
425 | base ( 0 ), amp ( 1 ), phase ( 0 ), frequency ( 1 ), | ||
426 | wave ( 1 ), | ||
427 | x ( 0 ), y ( 0 ), z( 0 ), count( 0 ) {} | ||
428 | |||
429 | // "tcmod","deformvertexes","rgbgen", "tcgen" | ||
430 | eQ3ModifierFunction masterfunc0; | ||
431 | // depends | ||
432 | eQ3ModifierFunction masterfunc1; | ||
433 | // depends | ||
434 | eQ3ModifierFunction func; | ||
435 | |||
436 | eQ3ModifierFunction tcgen; | ||
437 | eQ3ModifierFunction rgbgen; | ||
438 | eQ3ModifierFunction alphagen; | ||
439 | |||
440 | union | ||
441 | { | ||
442 | f32 base; | ||
443 | f32 bulgewidth; | ||
444 | }; | ||
445 | |||
446 | union | ||
447 | { | ||
448 | f32 amp; | ||
449 | f32 bulgeheight; | ||
450 | }; | ||
451 | |||
452 | f32 phase; | ||
453 | |||
454 | union | ||
455 | { | ||
456 | f32 frequency; | ||
457 | f32 bulgespeed; | ||
458 | }; | ||
459 | |||
460 | union | ||
461 | { | ||
462 | f32 wave; | ||
463 | f32 div; | ||
464 | }; | ||
465 | |||
466 | f32 x; | ||
467 | f32 y; | ||
468 | f32 z; | ||
469 | u32 count; | ||
470 | |||
471 | f32 evaluate ( f32 dt ) const | ||
472 | { | ||
473 | // phase in 0 and 1.. | ||
474 | f32 x = core::fract( (dt + phase ) * frequency ); | ||
475 | f32 y = 0.f; | ||
476 | |||
477 | switch ( func ) | ||
478 | { | ||
479 | case SINUS: | ||
480 | y = sinf ( x * core::PI * 2.f ); | ||
481 | break; | ||
482 | case COSINUS: | ||
483 | y = cosf ( x * core::PI * 2.f ); | ||
484 | break; | ||
485 | case SQUARE: | ||
486 | y = x < 0.5f ? 1.f : -1.f; | ||
487 | break; | ||
488 | case TRIANGLE: | ||
489 | y = x < 0.5f ? ( 4.f * x ) - 1.f : ( -4.f * x ) + 3.f; | ||
490 | break; | ||
491 | case SAWTOOTH: | ||
492 | y = x; | ||
493 | break; | ||
494 | case SAWTOOTH_INVERSE: | ||
495 | y = 1.f - x; | ||
496 | break; | ||
497 | case NOISE: | ||
498 | y = Noiser::get(); | ||
499 | break; | ||
500 | default: | ||
501 | break; | ||
502 | } | ||
503 | |||
504 | return base + ( y * amp ); | ||
505 | } | ||
506 | |||
507 | |||
508 | }; | ||
509 | |||
510 | inline core::vector3df getMD3Normal ( u32 i, u32 j ) | ||
511 | { | ||
512 | const f32 lng = i * 2.0f * core::PI / 255.0f; | ||
513 | const f32 lat = j * 2.0f * core::PI / 255.0f; | ||
514 | return core::vector3df(cosf ( lat ) * sinf ( lng ), | ||
515 | sinf ( lat ) * sinf ( lng ), | ||
516 | cosf ( lng )); | ||
517 | } | ||
518 | |||
519 | // | ||
520 | inline void getModifierFunc ( SModifierFunction& fill, const core::stringc &string, u32 &pos ) | ||
521 | { | ||
522 | if ( string.size() == 0 ) | ||
523 | return; | ||
524 | |||
525 | static const c8 * funclist[] = | ||
526 | { | ||
527 | "sin","cos","square", | ||
528 | "triangle", "sawtooth","inversesawtooth", "noise" | ||
529 | }; | ||
530 | |||
531 | fill.func = (eQ3ModifierFunction) isEqual ( string,pos, funclist,7 ); | ||
532 | fill.func = fill.func == UNKNOWN ? SINUS : (eQ3ModifierFunction) ((u32) fill.func + WAVE_MODIFIER_FUNCTION + 1); | ||
533 | |||
534 | fill.base = getAsFloat ( string, pos ); | ||
535 | fill.amp = getAsFloat ( string, pos ); | ||
536 | fill.phase = getAsFloat ( string, pos ); | ||
537 | fill.frequency = getAsFloat ( string, pos ); | ||
538 | } | ||
539 | |||
540 | |||
541 | // name = "a b c .." | ||
542 | struct SVariable | ||
543 | { | ||
544 | core::stringc name; | ||
545 | core::stringc content; | ||
546 | |||
547 | SVariable ( const c8 * n, const c8 *c = 0 ) : name ( n ), content (c) {} | ||
548 | virtual ~SVariable () {} | ||
549 | |||
550 | void clear () | ||
551 | { | ||
552 | name = ""; | ||
553 | content = ""; | ||
554 | } | ||
555 | |||
556 | s32 isValid () const | ||
557 | { | ||
558 | return name.size(); | ||
559 | } | ||
560 | |||
561 | bool operator == ( const SVariable &other ) const | ||
562 | { | ||
563 | return 0 == strcmp ( name.c_str(), other.name.c_str () ); | ||
564 | } | ||
565 | |||
566 | bool operator < ( const SVariable &other ) const | ||
567 | { | ||
568 | return 0 > strcmp ( name.c_str(), other.name.c_str () ); | ||
569 | } | ||
570 | |||
571 | }; | ||
572 | |||
573 | |||
574 | // string database. "a" = "Hello", "b" = "1234.6" | ||
575 | struct SVarGroup | ||
576 | { | ||
577 | SVarGroup () { Variable.setAllocStrategy ( core::ALLOC_STRATEGY_SAFE ); } | ||
578 | virtual ~SVarGroup () {} | ||
579 | |||
580 | u32 isDefined ( const c8 * name, const c8 * content = 0 ) const | ||
581 | { | ||
582 | for ( u32 i = 0; i != Variable.size (); ++i ) | ||
583 | { | ||
584 | if ( 0 == strcmp ( Variable[i].name.c_str(), name ) && | ||
585 | ( 0 == content || strstr ( Variable[i].content.c_str(), content ) ) | ||
586 | ) | ||
587 | { | ||
588 | return i + 1; | ||
589 | } | ||
590 | } | ||
591 | return 0; | ||
592 | } | ||
593 | |||
594 | // searches for Variable name and returns is content | ||
595 | // if Variable is not found a reference to an Empty String is returned | ||
596 | const core::stringc &get( const c8 * name ) const | ||
597 | { | ||
598 | SVariable search ( name ); | ||
599 | s32 index = Variable.linear_search ( search ); | ||
600 | if ( index < 0 ) | ||
601 | return irrEmptyStringc; | ||
602 | |||
603 | return Variable [ index ].content; | ||
604 | } | ||
605 | |||
606 | // set the Variable name | ||
607 | void set ( const c8 * name, const c8 * content = 0 ) | ||
608 | { | ||
609 | u32 index = isDefined ( name, 0 ); | ||
610 | if ( 0 == index ) | ||
611 | { | ||
612 | Variable.push_back ( SVariable ( name, content ) ); | ||
613 | } | ||
614 | else | ||
615 | { | ||
616 | Variable [ index ].content = content; | ||
617 | } | ||
618 | } | ||
619 | |||
620 | |||
621 | core::array < SVariable > Variable; | ||
622 | }; | ||
623 | |||
624 | //! holding a group a variable | ||
625 | struct SVarGroupList: public IReferenceCounted | ||
626 | { | ||
627 | SVarGroupList () | ||
628 | { | ||
629 | VariableGroup.setAllocStrategy ( core::ALLOC_STRATEGY_SAFE ); | ||
630 | } | ||
631 | virtual ~SVarGroupList () {} | ||
632 | |||
633 | core::array < SVarGroup > VariableGroup; | ||
634 | }; | ||
635 | |||
636 | |||
637 | //! A Parsed Shader Holding Variables ordered in Groups | ||
638 | struct IShader | ||
639 | { | ||
640 | IShader () | ||
641 | : ID ( 0 ), VarGroup ( 0 ) {} | ||
642 | virtual ~IShader () {} | ||
643 | |||
644 | void operator = (const IShader &other ) | ||
645 | { | ||
646 | ID = other.ID; | ||
647 | VarGroup = other.VarGroup; | ||
648 | name = other.name; | ||
649 | } | ||
650 | |||
651 | bool operator == (const IShader &other ) const | ||
652 | { | ||
653 | return 0 == strcmp ( name.c_str(), other.name.c_str () ); | ||
654 | //return name == other.name; | ||
655 | } | ||
656 | |||
657 | bool operator < (const IShader &other ) const | ||
658 | { | ||
659 | return strcmp ( name.c_str(), other.name.c_str () ) < 0; | ||
660 | //return name < other.name; | ||
661 | } | ||
662 | |||
663 | u32 getGroupSize () const | ||
664 | { | ||
665 | if ( 0 == VarGroup ) | ||
666 | return 0; | ||
667 | return VarGroup->VariableGroup.size (); | ||
668 | } | ||
669 | |||
670 | const SVarGroup * getGroup ( u32 stage ) const | ||
671 | { | ||
672 | if ( 0 == VarGroup || stage >= VarGroup->VariableGroup.size () ) | ||
673 | return 0; | ||
674 | |||
675 | return &VarGroup->VariableGroup [ stage ]; | ||
676 | } | ||
677 | |||
678 | // id | ||
679 | s32 ID; | ||
680 | SVarGroupList *VarGroup; // reference | ||
681 | |||
682 | // Shader: shader name ( also first variable in first Vargroup ) | ||
683 | // Entity: classname ( variable in Group(1) ) | ||
684 | core::stringc name; | ||
685 | }; | ||
686 | |||
687 | typedef IShader IEntity; | ||
688 | |||
689 | typedef core::array < IEntity > tQ3EntityList; | ||
690 | |||
691 | /* | ||
692 | dump shader like original layout, regardless of internal data holding | ||
693 | no recursive folding.. | ||
694 | */ | ||
695 | inline void dumpVarGroup ( core::stringc &dest, const SVarGroup * group, s32 stack ) | ||
696 | { | ||
697 | core::stringc buf; | ||
698 | s32 i; | ||
699 | |||
700 | |||
701 | if ( stack > 0 ) | ||
702 | { | ||
703 | buf = ""; | ||
704 | for ( i = 0; i < stack - 1; ++i ) | ||
705 | buf += '\t'; | ||
706 | |||
707 | buf += "{\n"; | ||
708 | dest.append ( buf ); | ||
709 | } | ||
710 | |||
711 | for ( u32 g = 0; g != group->Variable.size(); ++g ) | ||
712 | { | ||
713 | buf = ""; | ||
714 | for ( i = 0; i < stack; ++i ) | ||
715 | buf += '\t'; | ||
716 | |||
717 | buf += group->Variable[g].name; | ||
718 | buf += " "; | ||
719 | buf += group->Variable[g].content; | ||
720 | buf += "\n"; | ||
721 | dest.append ( buf ); | ||
722 | } | ||
723 | |||
724 | if ( stack > 1 ) | ||
725 | { | ||
726 | buf = ""; | ||
727 | for ( i = 0; i < stack - 1; ++i ) | ||
728 | buf += '\t'; | ||
729 | |||
730 | buf += "}\n"; | ||
731 | dest.append ( buf ); | ||
732 | } | ||
733 | |||
734 | } | ||
735 | |||
736 | /*! | ||
737 | dump a Shader or an Entity | ||
738 | */ | ||
739 | inline core::stringc & dumpShader ( core::stringc &dest, const IShader * shader, bool entity = false ) | ||
740 | { | ||
741 | if ( 0 == shader ) | ||
742 | return dest; | ||
743 | |||
744 | const SVarGroup * group; | ||
745 | |||
746 | const u32 size = shader->VarGroup->VariableGroup.size (); | ||
747 | for ( u32 i = 0; i != size; ++i ) | ||
748 | { | ||
749 | group = &shader->VarGroup->VariableGroup[ i ]; | ||
750 | dumpVarGroup ( dest, group, core::clamp( (int)i, 0, 2 ) ); | ||
751 | } | ||
752 | |||
753 | if ( !entity ) | ||
754 | { | ||
755 | if ( size <= 1 ) | ||
756 | { | ||
757 | dest.append ( "{\n" ); | ||
758 | } | ||
759 | dest.append ( "}\n" ); | ||
760 | } | ||
761 | return dest; | ||
762 | } | ||
763 | |||
764 | |||
765 | /* | ||
766 | quake3 doesn't care much about tga & jpg | ||
767 | load one or multiple files stored in name started at startPos to the texture array textures | ||
768 | if texture is not loaded 0 will be added ( to find missing textures easier) | ||
769 | */ | ||
770 | inline void getTextures(tTexArray &textures, | ||
771 | const core::stringc &name, u32 &startPos, | ||
772 | io::IFileSystem *fileSystem, | ||
773 | video::IVideoDriver* driver) | ||
774 | { | ||
775 | static const char* extension[] = | ||
776 | { | ||
777 | ".jpg", | ||
778 | ".jpeg", | ||
779 | ".png", | ||
780 | ".dds", | ||
781 | ".tga", | ||
782 | ".bmp", | ||
783 | ".pcx" | ||
784 | }; | ||
785 | |||
786 | tStringList stringList; | ||
787 | getAsStringList(stringList, -1, name, startPos); | ||
788 | |||
789 | textures.clear(); | ||
790 | |||
791 | io::path loadFile; | ||
792 | for ( u32 i = 0; i!= stringList.size (); ++i ) | ||
793 | { | ||
794 | video::ITexture* texture = 0; | ||
795 | for (u32 g = 0; g != 7 ; ++g) | ||
796 | { | ||
797 | core::cutFilenameExtension ( loadFile, stringList[i] ); | ||
798 | |||
799 | if ( loadFile == "$whiteimage" ) | ||
800 | { | ||
801 | texture = driver->getTexture( "$whiteimage" ); | ||
802 | if ( 0 == texture ) | ||
803 | { | ||
804 | core::dimension2du s ( 2, 2 ); | ||
805 | u32 image[4] = { 0xFFFFFFFF, 0xFFFFFFFF,0xFFFFFFFF,0xFFFFFFFF }; | ||
806 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
807 | texture = driver->addTexture( "$whiteimage", w ); | ||
808 | w->drop (); | ||
809 | } | ||
810 | |||
811 | } | ||
812 | else | ||
813 | if ( loadFile == "$redimage" ) | ||
814 | { | ||
815 | texture = driver->getTexture( "$redimage" ); | ||
816 | if ( 0 == texture ) | ||
817 | { | ||
818 | core::dimension2du s ( 2, 2 ); | ||
819 | u32 image[4] = { 0xFFFF0000, 0xFFFF0000,0xFFFF0000,0xFFFF0000 }; | ||
820 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
821 | texture = driver->addTexture( "$redimage", w ); | ||
822 | w->drop (); | ||
823 | } | ||
824 | } | ||
825 | else | ||
826 | if ( loadFile == "$blueimage" ) | ||
827 | { | ||
828 | texture = driver->getTexture( "$blueimage" ); | ||
829 | if ( 0 == texture ) | ||
830 | { | ||
831 | core::dimension2du s ( 2, 2 ); | ||
832 | u32 image[4] = { 0xFF0000FF, 0xFF0000FF,0xFF0000FF,0xFF0000FF }; | ||
833 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
834 | texture = driver->addTexture( "$blueimage", w ); | ||
835 | w->drop (); | ||
836 | } | ||
837 | } | ||
838 | else | ||
839 | if ( loadFile == "$checkerimage" ) | ||
840 | { | ||
841 | texture = driver->getTexture( "$checkerimage" ); | ||
842 | if ( 0 == texture ) | ||
843 | { | ||
844 | core::dimension2du s ( 2, 2 ); | ||
845 | u32 image[4] = { 0xFFFFFFFF, 0xFF000000,0xFF000000,0xFFFFFFFF }; | ||
846 | video::IImage* w = driver->createImageFromData ( video::ECF_A8R8G8B8, s,&image ); | ||
847 | texture = driver->addTexture( "$checkerimage", w ); | ||
848 | w->drop (); | ||
849 | } | ||
850 | } | ||
851 | else | ||
852 | if ( loadFile == "$lightmap" ) | ||
853 | { | ||
854 | texture = 0; | ||
855 | } | ||
856 | else | ||
857 | { | ||
858 | loadFile.append ( extension[g] ); | ||
859 | } | ||
860 | |||
861 | if ( fileSystem->existFile ( loadFile ) ) | ||
862 | { | ||
863 | texture = driver->getTexture( loadFile ); | ||
864 | if ( texture ) | ||
865 | break; | ||
866 | texture = 0; | ||
867 | } | ||
868 | } | ||
869 | // take 0 Texture | ||
870 | textures.push_back(texture); | ||
871 | } | ||
872 | } | ||
873 | |||
874 | |||
875 | //! Manages various Quake3 Shader Styles | ||
876 | class IShaderManager : public IReferenceCounted | ||
877 | { | ||
878 | }; | ||
879 | |||
880 | } // end namespace quake3 | ||
881 | } // end namespace scene | ||
882 | } // end namespace irr | ||
883 | |||
884 | #endif | ||
885 | |||