Oolite 1.91.0.7644-241112-7f5034b
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OOSkyDrawable.m
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1/*
2
3OOSkyDrawable.m
4
5
6Copyright (C) 2007-2013 Jens Ayton
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in all
16copies or substantial portions of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24SOFTWARE.
25
26*/
27
28#import "OOSkyDrawable.h"
29#import "ResourceManager.h"
30#import "OOTexture.h"
31#import "GameController.h"
32#import "OOColor.h"
35#import "Universe.h"
36#import "OOMacroOpenGL.h"
39
40
41#define SKY_ELEMENT_SCALE_FACTOR (BILLBOARD_DEPTH / 500.0f)
42#define NEBULA_SHUFFLE_FACTOR 0.005f
43#define DEBUG_COLORS 0 // If set, rgb = xyz (offset to range from 0.1 to 1.0).
44
45
46/* Min and max coords are 0 and 1 normally, but the default
47 sky-render-inset-coords can be used to modify them slightly as an attempted
48 work-around for artefacts on buggy S3/Via renderers.
49*/
50static float sMinTexCoord = 0.0f, sMaxTexCoord = 1.0f;
51static BOOL sInited = NO;
52
53
54/* Struct used to describe quads initially. This form is optimized for
55 reasoning about.
56*/
63
64
65enum
66{
70};
71
72
73/* Class containing a set of quads with the same texture. This form is
74 optimized for rendering.
75*/
76@interface OOSkyQuadSet: NSObject
77{
78@private
80 unsigned _count;
81 GLfloat *_positions; // 3 entries per vertex, 12 per quad
82 GLfloat *_texCoords; // 2 entries per vertex, 8 per quad
83 GLfloat *_colors; // 4 entries per vertex, 16 per quad
84}
85
86+ (void)addQuads:(OOSkyQuadDesc *)quads count:(unsigned)count toArray:(NSMutableArray *)ioArray;
87
88- (id)initWithQuadsWithTexture:(OOTexture *)texture inArray:(OOSkyQuadDesc *)array count:(unsigned)totalCount;
89
90- (void)render;
91
92#ifndef NDEBUG
93- (size_t) totalSize;
94- (OOTexture *) texture;
95#endif
96
97@end
98
99
100/* Textures are global because there is always a sky, but the sky isn't
101 replaced very often, so the textures are likely to fall out of the cache.
102*/
105
106
107static OOColor *SaturatedColorInRange(OOColor *color1, OOColor *color2, BOOL hueFix);
108
109
110@interface OOSkyDrawable (OOPrivate) <OOGraphicsResetClient>
111
112- (void)setUpStarsWithColor1:(OOColor *)color1 color2:(OOColor *)color2;
113- (void)setUpNebulaeWithColor1:(OOColor *)color1
114 color2:(OOColor *)color2
115 clusterFactor:(float)nebulaClusterFactor
116 nebulaHueFix:(BOOL)nebulaHueFix
117 alpha:(float)nebulaAlpha
118 scale:(float)nebulaScale;
119
120
121- (void)loadStarTextures;
122- (void)loadNebulaTextures;
123
124- (void)addQuads:(OOSkyQuadDesc *)quads count:(unsigned)count;
125
127
128@end
129
130
131@implementation OOSkyDrawable
132
133- (id)initWithColor1:(OOColor *)color1
134 Color2:(OOColor *)color2
135 Color3:(OOColor *)color3
136 Color4:(OOColor *)color4
137 starCount:(unsigned)starCount
138 nebulaCount:(unsigned)nebulaCount
139 nebulaHueFix:(BOOL)nebulaHueFix
140 clusterFactor:(float)nebulaClusterFactor
141 alpha:(float)nebulaAlpha
142 scale:(float)nebulaScale
143{
144 NSAutoreleasePool *pool = nil;
145
146 if (!sInited)
147 {
148 sInited = YES;
149 if ([[NSUserDefaults standardUserDefaults] boolForKey:@"sky-render-inset-coords"])
150 {
151 sMinTexCoord += 1.0f/128.0f;
152 sMaxTexCoord -= 1.0f/128.0f;
153 }
154 }
155
156 self = [super init];
157 if (self == nil) return nil;
158
159 _starCount = starCount;
160 _nebulaCount = nebulaCount;
161
162 pool = [[NSAutoreleasePool alloc] init];
163 [self setUpStarsWithColor1:color1 color2:color2];
164
165 if (![UNIVERSE reducedDetail])
166 {
167 [self setUpNebulaeWithColor1:color3
168 color2:color4
169 clusterFactor:nebulaClusterFactor
170 nebulaHueFix:nebulaHueFix
171 alpha:nebulaAlpha
172 scale:nebulaScale];
173 }
174 [pool release];
175
177
178 return self;
179}
180
181
182- (void)dealloc
183{
185
186 [_quadSets release];
188 if (_displayListName != 0) glDeleteLists(_displayListName, 1);
189
190 [super dealloc];
191}
192
193
194- (void)renderOpaqueParts
195{
196 // While technically translucent, the sky doesn't need to be depth-sorted
197 // since it'll be behind everything else anyway.
198
201
202 OOGL(glDisable(GL_DEPTH_TEST)); // don't read the depth buffer
203 OOGL(glEnable(GL_TEXTURE_2D));
204
205 // Make stars dim in atmosphere. Note: works OK on night side because sky is dark blue, not black.
206 GLfloat fogColor[4] = {0.02, 0.02, 0.02, 1.0};
207 OOGL(glFogfv(GL_FOG_COLOR, fogColor));
208
209 if (_displayListName != 0)
210 {
211 OOGL(glCallList(_displayListName));
212 }
213 else
214 {
215 // Set up display list
216 [self ensureTexturesLoaded];
217 _displayListName = glGenLists(1);
218
219 OOGL(glNewList(_displayListName, GL_COMPILE));
220
221 OOGL(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
222 OOGL(glEnableClientState(GL_COLOR_ARRAY));
223
224 [_quadSets makeObjectsPerformSelector:@selector(render)];
225
226 OOGL(glDisableClientState(GL_TEXTURE_COORD_ARRAY));
227 OOGL(glDisableClientState(GL_COLOR_ARRAY));
228
229 OOGL(glEndList());
230 }
231
232 // Restore state
233 OOGL(glEnable(GL_DEPTH_TEST));
234 OOGL(glDisable(GL_TEXTURE_2D));
235
236 // Resetting fog is draw loop's responsibility.
237
239 OOCheckOpenGLErrors(@"OOSkyDrawable after rendering");
240}
241
242
243- (BOOL)hasOpaqueParts
244{
245 return YES;
246}
247
248
249- (GLfloat)maxDrawDistance
250{
251 return INFINITY;
252}
253
254#ifndef NDEBUG
255- (NSSet *) allTextures
256{
257 NSMutableSet *result = [NSMutableSet setWithCapacity:[_quadSets count]];
258
259 NSEnumerator *quadSetEnum = nil;
260 OOSkyQuadSet *quadSet = nil;
261 for (quadSetEnum = [_quadSets objectEnumerator]; (quadSet = [quadSetEnum nextObject]); )
262 {
263 [result addObject:[quadSet texture]];
264 }
265
266 return result;
267}
268
269
270- (size_t) totalSize
271{
272 size_t result = [super totalSize];
273
274 NSEnumerator *quadSetEnum = nil;
275 OOSkyQuadSet *quadSet = nil;
276 for (quadSetEnum = [_quadSets objectEnumerator]; (quadSet = [quadSetEnum nextObject]); )
277 {
278 result += [quadSet totalSize];
279 }
280
281 return result;
282}
283#endif
284
285@end
286
287
288#if DEBUG_COLORS
289static OOColor *DebugColor(Vector orientation)
290{
291 Vector color = vector_add(make_vector(0.55, 0.55, 0.55), vector_multiply_scalar(vector_normal(orientation), 0.45));
292 return [OOColor colorWithCalibratedRed:color.x green:color.y blue:color.z alpha:1.0];
293}
294#endif
295
296
297@implementation OOSkyDrawable (OOPrivate)
298
299- (void)setUpStarsWithColor1:(OOColor *)color1 color2:(OOColor *)color2
300{
301 OOSkyQuadDesc *quads = NULL, *currQuad = NULL;
302 unsigned i;
303 Quaternion q;
304 Vector vi, vj, vk;
305 float size;
306 Vector middle, offset;
307
308 [self loadStarTextures];
309
310 quads = malloc(sizeof *quads * _starCount);
311 if (quads == NULL) return;
312
313 currQuad = quads;
314 for (i = 0; i != _starCount; ++i)
315 {
316 // Select a direction and rotation.
317 q = OORandomQuaternion();
318 basis_vectors_from_quaternion(q, &vi, &vj, &vk);
319
320 // Select colour and texture.
321#if DEBUG_COLORS
322 currQuad->color = DebugColor(vk);
323#else
324 currQuad->color = [color1 blendedColorWithFraction:randf() ofColor:color2];
325#endif
326 currQuad->texture = [sStarTextures selectTexture]; // Not retained, since sStarTextures is never released.
327
328 // Select scale; calculate centre position and offset to first corner.
329 size = (1 + (ranrot_rand() % 6)) * SKY_ELEMENT_SCALE_FACTOR;
330 middle = vector_multiply_scalar(vk, BILLBOARD_DEPTH);
331 offset = vector_multiply_scalar(vector_add(vi, vj), 0.5f * size);
332
333 // Scale the "side" vectors.
334 Vector vj2 = vector_multiply_scalar(vj, size);
335 Vector vi2 = vector_multiply_scalar(vi, size);
336
337 // Set up corners.
338 currQuad->corners[0] = vector_subtract(middle, offset);
339 currQuad->corners[1] = vector_add(currQuad->corners[0], vj2);
340 currQuad->corners[2] = vector_add(currQuad->corners[1], vi2);
341 currQuad->corners[3] = vector_add(currQuad->corners[0], vi2);
342
343 ++currQuad;
344 }
345
346 [self addQuads:quads count:_starCount];
347 free(quads);
348}
349
350
351- (void)setUpNebulaeWithColor1:(OOColor *)color1
352 color2:(OOColor *)color2
353 clusterFactor:(float)nebulaClusterFactor
354 nebulaHueFix:(BOOL)nebulaHueFix
355 alpha:(float)nebulaAlpha
356 scale:(float)nebulaScale
357{
358 OOSkyQuadDesc *quads = NULL, *currQuad = NULL;
359 unsigned i, actualCount = 0, clusters = 0;
360 OOColor *color;
361 Quaternion q;
362 Vector vi, vj, vk;
363 double size, r2;
364 Vector middle, offset;
365 int r1;
366
367 [self loadNebulaTextures];
368
369 quads = malloc(sizeof *quads * _nebulaCount);
370 if (quads == NULL) return;
371
372 currQuad = quads;
373 for (i = 0; i < _nebulaCount; ++i)
374 {
375 color = SaturatedColorInRange(color1, color2, nebulaHueFix);
376
377 // Select a direction and rotation.
378 q = OORandomQuaternion();
379
380 // Create a cluster of nebula quads.
381 while ((i < _nebulaCount) && (randf() < nebulaClusterFactor))
382 {
383 // Select size.
384 r1 = 1 + (ranrot_rand() & 15);
385 size = nebulaScale * r1 * SKY_ELEMENT_SCALE_FACTOR;
386
387 // Calculate centre position and offset to first corner.
388 basis_vectors_from_quaternion(q, &vi, &vj, &vk);
389
390 // Select colour and texture. Smaller nebula quads are dimmer.
391#if DEBUG_COLORS
392 currQuad->color = DebugColor(vk);
393#else
394 currQuad->color = [color colorWithBrightnessFactor:nebulaAlpha * (0.5f + (float)r1 / 32.0f)];
395#endif
396 currQuad->texture = [sNebulaTextures selectTexture]; // Not retained, since sStarTextures is never released.
397
398 middle = vector_multiply_scalar(vk, BILLBOARD_DEPTH);
399 offset = vector_multiply_scalar(vector_add(vi, vj), 0.5f * size);
400
401 // Rotate vi and vj by a random angle
402 r2 = randf() * M_PI * 2.0;
406
407 // Scale the "side" vectors.
408 vj = vector_multiply_scalar(vj, size);
409 vi = vector_multiply_scalar(vi, size);
410
411 // Set up corners.
412 currQuad->corners[0] = vector_subtract(middle, offset);
413 currQuad->corners[1] = vector_add(currQuad->corners[0], vj);
414 currQuad->corners[2] = vector_add(currQuad->corners[1], vi);
415 currQuad->corners[3] = vector_add(currQuad->corners[0], vi);
416
417 // Shuffle direction quat around a bit to spread the cluster out.
419 q.x += size * (randf() - 0.5);
420 q.y += size * (randf() - 0.5);
421 q.z += size * (randf() - 0.5);
422 q.w += size * (randf() - 0.5);
423 quaternion_normalize(&q);
424
425 ++i;
426 ++currQuad;
427 ++actualCount;
428 }
429 ++clusters;
430 }
431
432 /* The above code generates less than _nebulaCount quads, because i is
433 incremented once in the outer loop as well as in the inner loop. To
434 keep skies looking the same, we leave the bug in and fill in the
435 actual generated count here.
436 */
437 _nebulaCount = actualCount;
438
439 [self addQuads:quads count:_nebulaCount];
440 free(quads);
441}
442
443
444- (void)addQuads:(OOSkyQuadDesc *)quads count:(unsigned)count
445{
446 if (_quadSets == nil) _quadSets = [[NSMutableArray alloc] init];
447
448 [OOSkyQuadSet addQuads:quads count:count toArray:_quadSets];
449}
450
451
452- (void)loadStarTextures
453{
454 if (sStarTextures == nil)
455 {
457 initWithPListName:@"startextures.plist"
458 options:kOOTextureMinFilterMipMap | kOOTextureMagFilterLinear | kOOTextureAlphaMask
459 anisotropy:0.0f
460 lodBias:-0.0f];
461 if (sStarTextures == nil)
462 {
463 [NSException raise:OOLITE_EXCEPTION_DATA_NOT_FOUND format:@"No star textures could be loaded."];
464 }
465 }
466
467 [sStarTextures setSeed:RANROTGetFullSeed()];
468
469}
470
471
472- (void)loadNebulaTextures
473{
474 if (sNebulaTextures == nil)
475 {
477 initWithPListName:@"nebulatextures.plist"
478 options:kOOTextureDefaultOptions | kOOTextureAlphaMask
479 anisotropy:0.0f
480 lodBias:0.0f];
481 if (sNebulaTextures == nil)
482 {
483 [NSException raise:OOLITE_EXCEPTION_DATA_NOT_FOUND format:@"No nebula textures could be loaded."];
484 }
485 }
486
487 [sNebulaTextures setSeed:RANROTGetFullSeed()];
488
489}
490
491
493{
494 [sStarTextures ensureTexturesLoaded];
495 [sNebulaTextures ensureTexturesLoaded];
496}
497
498
499- (void)resetGraphicsState
500{
502
503 if (_displayListName != 0)
504 {
505 glDeleteLists(_displayListName, 1);
506 _displayListName = 0;
507 }
508}
509
510@end
511
512
513@implementation OOSkyQuadSet
514
515+ (void)addQuads:(OOSkyQuadDesc *)quads count:(unsigned)count toArray:(NSMutableArray *)ioArray
516{
517 NSMutableSet *seenTextures = nil;
518 OOTexture *texture = nil;
519 OOSkyQuadSet *quadSet = nil;
520 unsigned i;
521
522 // Iterate over all quads.
523 seenTextures = [NSMutableSet set];
524 for (i = 0; i != count; ++i)
525 {
526 texture = quads[i].texture;
527
528 // If we haven't seen this quad's texture before...
529 if (![seenTextures containsObject:texture])
530 {
531 [seenTextures addObject:texture];
532
533 // ...create a quad set for this texture.
534 quadSet = [[self alloc] initWithQuadsWithTexture:texture
535 inArray:quads
536 count:count];
537 if (quadSet != nil)
538 {
539 [ioArray addObject:quadSet];
540 [quadSet release];
541 }
542 }
543 }
544}
545
546
547- (id)initWithQuadsWithTexture:(OOTexture *)texture inArray:(OOSkyQuadDesc *)array count:(unsigned)totalCount
548{
549 BOOL OK = YES;
550 unsigned i, j, vertexCount;
551 GLfloat *pos;
552 GLfloat *tc;
553 GLfloat *col;
554 GLfloat r, g, b, x;
555 size_t posSize, tcSize, colSize;
556 unsigned count = 0;
557 int skyColorCorrection = [[NSUserDefaults standardUserDefaults] oo_integerForKey:@"sky-color-correction" defaultValue:0];
558
559// Hejl / Burgess-Dawson filmic tone mapping
560// this algorithm has gamma correction already embedded
561#define SKYCOLOR_TONEMAP_COMPONENT(skyColorComponent) \
562do { \
563 x = MAX(0.0, skyColorComponent - 0.004); \
564 *col++ = (x * (6.2 * x + 0.5)) / (x * (6.2 * x + 1.7) + 0.06); \
565} while (0)
566
567 self = [super init];
568 if (self == nil) OK = NO;
569
570 if (OK)
571 {
572 // Count the quads in the array using this texture.
573 for (i = 0; i != totalCount; ++i)
574 {
575 if (array[i].texture == texture) ++_count;
576 }
577 if (_count == 0) OK = NO;
578 }
579
580 if (OK)
581 {
582 // Allocate arrays.
583 vertexCount = _count * 4;
584 posSize = sizeof *_positions * vertexCount * kSkyQuadSetPositionEntriesPerVertex;
585 tcSize = sizeof *_texCoords * vertexCount * kSkyQuadSetTexCoordEntriesPerVertex;
586 colSize = sizeof *_colors * vertexCount * kSkyQuadSetColorEntriesPerVertex;
587
588 _positions = malloc(posSize);
589 _texCoords = malloc(tcSize);
590 _colors = malloc(colSize);
591
592 if (_positions == NULL || _texCoords == NULL || _colors == NULL) OK = NO;
593
594 pos = _positions;
595 tc = _texCoords;
596 col = _colors;
597 }
598
599 if (OK)
600 {
601 // Find the matching quads again, and convert them to renderable representation.
602 for (i = 0; i != totalCount; ++i)
603 {
604 if (array[i].texture == texture)
605 {
606 r = [array[i].color redComponent];
607 g = [array[i].color greenComponent];
608 b = [array[i].color blueComponent];
609
610 // Loop over vertices
611 for (j = 0; j != 4; ++j)
612 {
613 *pos++ = array[i].corners[j].x;
614 *pos++ = array[i].corners[j].y;
615 *pos++ = array[i].corners[j].z;
616
617 // Colour is the same for each vertex
618 if (skyColorCorrection == 0) // no color correction
619 {
620 *col++ = r;
621 *col++ = g;
622 *col++ = b;
623 }
624 else if (skyColorCorrection == 1) // gamma correction only
625 {
626 *col++ = pow(r, 1.0/2.2);
627 *col++ = pow(g, 1.0/2.2);
628 *col++ = pow(b, 1.0/2.2);
629 }
630 else // gamma correctioin + filmic tone mapping
631 {
635 }
636 *col++ = 1.0f; // Alpha is unused but needs to be there
637 }
638
639 // Texture co-ordinates are the same for each quad.
640 *tc++ = sMinTexCoord;
641 *tc++ = sMinTexCoord;
642
643 *tc++ = sMaxTexCoord;
644 *tc++ = sMinTexCoord;
645
646 *tc++ = sMaxTexCoord;
647 *tc++ = sMaxTexCoord;
648
649 *tc++ = sMinTexCoord;
650 *tc++ = sMaxTexCoord;
651
652 count++;
653 }
654 }
655
656 _texture = [texture retain];
657 OOLog(@"sky.setup", @"Generated quadset with %u quads for texture %@", count, _texture);
658 }
659
660 if (!OK)
661 {
662 [self release];
663 self = nil;
664 }
665
666 return self;
667}
668
669
670- (void)dealloc
671{
672 [_texture release];
673
674 if (_positions != NULL) free(_positions);
675 if (_texCoords != NULL) free(_texCoords);
676 if (_colors != NULL) free(_colors);
677
678 [super dealloc];
679}
680
681
682- (NSString *)description
683{
684 return [NSString stringWithFormat:@"<%@ %p>{%u quads, texture: %@}", [self class], self, _count, _texture];
685}
686
687
688- (void)render
689{
691
692 [_texture apply];
693
694 OOGL(glVertexPointer(kSkyQuadSetPositionEntriesPerVertex, GL_FLOAT, 0, _positions));
695 OOGL(glTexCoordPointer(kSkyQuadSetTexCoordEntriesPerVertex, GL_FLOAT, 0, _texCoords));
696 OOGL(glColorPointer(kSkyQuadSetColorEntriesPerVertex, GL_FLOAT, 0, _colors));
697
698 OOGL(glDrawArrays(GL_QUADS, 0, 4 * _count));
699}
700
701
702#ifndef NDEBUG
703- (size_t) totalSize
704{
705 return [self oo_objectSize] + _count * 4 * (sizeof *_positions + sizeof *_texCoords + sizeof *_colors);
706}
707
708
709- (OOTexture *) texture
710{
711 return _texture;
712}
713#endif
714
715@end
716
717
718static OOColor *SaturatedColorInRange(OOColor *color1, OOColor *color2, BOOL hueFix)
719{
720 OOColor *color = nil;
721 float hue, saturation, brightness, alpha;
722
723 color = [color1 blendedColorWithFraction:randf() ofColor:color2];
724 [color getHue:&hue saturation:&saturation brightness:&brightness alpha:&alpha];
725
726 saturation = 0.5 * saturation + 0.5; // move saturation up a notch!
727
728 /* NOTE: this changes the hue, because getHue:... produces hue values
729 in [0, 360], but colorWithCalibratedHue:... takes hue values in
730 [0, 1].
731 */
732 if (hueFix)
733 {
734 /* now nebula colours can be independently set, correct the
735 * range so they behave expectedly if they have actually been
736 * set in planetinfo */
737 hue /= 360.0;
738 }
739 /* else keep it how it was before so the nebula hues are clearer */
740
741 return [OOColor colorWithHue:hue saturation:saturation brightness:brightness alpha:alpha];
742}
#define OOLog(class, format,...)
Definition OOLogging.h:88
#define OO_ENTER_OPENGL()
#define M_PI
Definition OOMaths.h:73
@ OPENGL_STATE_ADDITIVE_BLENDING
Definition OOOpenGL.h:125
#define OOVerifyOpenGLState()
Definition OOOpenGL.h:136
BOOL OOCheckOpenGLErrors(NSString *format,...)
Definition OOOpenGL.m:39
#define OOSetOpenGLState(STATE)
Definition OOOpenGL.h:135
#define OOGL(statement)
Definition OOOpenGL.h:251
unsigned count
return nil
Vector vector_up_from_quaternion(Quaternion quat)
Vector vector_right_from_quaternion(Quaternion quat)
void basis_vectors_from_quaternion(Quaternion quat, Vector *outRight, Vector *outUp, Vector *outForward)
void quaternion_rotate_about_axis(Quaternion *quat, Vector axis, OOScalar angle)
float y
float x
static BOOL sInited
static float sMaxTexCoord
#define SKY_ELEMENT_SCALE_FACTOR
static float sMinTexCoord
static OOProbabilisticTextureManager * sNebulaTextures
static BOOL sInited
#define NEBULA_SHUFFLE_FACTOR
#define SKYCOLOR_TONEMAP_COMPONENT(skyColorComponent)
struct OOSkyQuadDesc OOSkyQuadDesc
static OOProbabilisticTextureManager * sStarTextures
static OOColor * SaturatedColorInRange(OOColor *color1, OOColor *color2, BOOL hueFix)
@ kSkyQuadSetTexCoordEntriesPerVertex
@ kSkyQuadSetPositionEntriesPerVertex
@ kSkyQuadSetColorEntriesPerVertex
#define UNIVERSE
Definition Universe.h:833
#define BILLBOARD_DEPTH
Definition Universe.h:162
void getHue:saturation:brightness:alpha:(float *hue,[saturation] float *saturation,[brightness] float *brightness,[alpha] float *alpha)
Definition OOColor.m:438
OOColor * colorWithBrightnessFactor:(float factor)
Definition OOColor.m:502
OOColor * colorWithHue:saturation:brightness:alpha:(float hue,[saturation] float saturation,[brightness] float brightness,[alpha] float alpha)
Definition OOColor.m:87
OOColor * blendedColorWithFraction:ofColor:(float fraction,[ofColor] OOColor *color)
Definition OOColor.m:328
void registerClient:(id< OOGraphicsResetClient > client)
void unregisterClient:(id< OOGraphicsResetClient > client)
OOGraphicsResetManager * sharedManager()
void setUpStarsWithColor1:color2:(OOColor *color1,[color2] OOColor *color2)
void setUpNebulaeWithColor1:color2:clusterFactor:nebulaHueFix:alpha:scale:(OOColor *color1,[color2] OOColor *color2,[clusterFactor] float nebulaClusterFactor,[nebulaHueFix] BOOL nebulaHueFix,[alpha] float nebulaAlpha,[scale] float nebulaScale)
OOTexture * texture()
unsigned _count
GLfloat * _positions
void addQuads:count:toArray:(OOSkyQuadDesc *quads,[count] unsigned count,[toArray] NSMutableArray *ioArray)
OOTexture * _texture
GLfloat * _colors
GLfloat * _texCoords
voidpf void uLong size
Definition ioapi.h:134
voidpf uLong offset
Definition ioapi.h:140
float randf(void)
#define ranrot_rand()
OOColor * color
Vector corners[4]
OOTexture * texture