OOSkyDrawable.m File Reference

import "OOSkyDrawable.h"
import "ResourceManager.h"
import "OOTexture.h"
import "GameController.h"
import "OOColor.h"
import "OOProbabilisticTextureManager.h"
import "OOGraphicsResetManager.h"
import "Universe.h"
import "OOMacroOpenGL.h"
import "NSObjectOOExtensions.h"
import "OOCollectionExtractors.h"

Include dependency graph for OOSkyDrawable.m:

Go to the source code of this file.

Classes
struct	OOSkyQuadDesc
class	OOSkyQuadSet
category	OOSkyDrawable(OOPrivate)

Macros
#define	SKY_ELEMENT_SCALE_FACTOR   (BILLBOARD_DEPTH / 500.0f)
#define	NEBULA_SHUFFLE_FACTOR   0.005f
#define	DEBUG_COLORS   0
#define	SKYCOLOR_TONEMAP_COMPONENT(skyColorComponent)

Typedefs
typedef struct OOSkyQuadDesc	OOSkyQuadDesc

Enumerations
enum	{ kSkyQuadSetPositionEntriesPerVertex = 3 , kSkyQuadSetTexCoordEntriesPerVertex = 2 , kSkyQuadSetColorEntriesPerVertex = 4 }

Functions
static OOColor *	SaturatedColorInRange (OOColor *color1, OOColor *color2, BOOL hueFix)

Variables
static float	sMinTexCoord = 0.0f
static float	sMaxTexCoord = 1.0f
static BOOL	sInited = NO
static OOProbabilisticTextureManager *	sStarTextures
static OOProbabilisticTextureManager *	sNebulaTextures

Macro Definition Documentation

DEBUG_COLORS

#define DEBUG_COLORS   0

Definition at line 43 of file OOSkyDrawable.m.

NEBULA_SHUFFLE_FACTOR

#define NEBULA_SHUFFLE_FACTOR   0.005f

Definition at line 42 of file OOSkyDrawable.m.

SKY_ELEMENT_SCALE_FACTOR

#define SKY_ELEMENT_SCALE_FACTOR   (BILLBOARD_DEPTH / 500.0f)

Definition at line 41 of file OOSkyDrawable.m.

SKYCOLOR_TONEMAP_COMPONENT

#define SKYCOLOR_TONEMAP_COMPONENT

(

skyColorComponent

)

Value:

do { \
    x = MAX(0.0, skyColorComponent - 0.004); \
    *col++ = (x * (6.2 * x + 0.5)) / (x * (6.2 * x + 1.7) + 0.06); \
} while (0)

Typedef Documentation

OOSkyQuadDesc

typedef struct OOSkyQuadDesc OOSkyQuadDesc

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
kSkyQuadSetPositionEntriesPerVertex
kSkyQuadSetTexCoordEntriesPerVertex
kSkyQuadSetColorEntriesPerVertex

Definition at line 65 of file OOSkyDrawable.m.

{
    kSkyQuadSetPositionEntriesPerVertex     = 3,
    kSkyQuadSetTexCoordEntriesPerVertex     = 2,
    kSkyQuadSetColorEntriesPerVertex        = 4
};

Function Documentation

SaturatedColorInRange()

static OOColor * SaturatedColorInRange ( OOColor *  color1, OOColor *  color2, BOOL  hueFix  )

static

Definition at line 715 of file OOSkyDrawable.m.

{
    OOColor             *color = nil;
    float               hue, saturation, brightness, alpha;
    
    color = [color1 blendedColorWithFraction:randf() ofColor:color2];
    [color getHue:&hue saturation:&saturation brightness:&brightness alpha:&alpha];
    
    saturation = 0.5 * saturation + 0.5;    // move saturation up a notch!
    
    /*  NOTE: this changes the hue, because getHue:... produces hue values
        in [0, 360], but colorWithCalibratedHue:... takes hue values in
        [0, 1].
    */
    if (hueFix)
    {
        /* now nebula colours can be independently set, correct the
         * range so they behave expectedly if they have actually been
         * set in planetinfo */
        hue /= 360.0;
    }
    /* else keep it how it was before so the nebula hues are clearer */
    
    return [OOColor colorWithHue:hue saturation:saturation brightness:brightness alpha:alpha];
}

References OOColor::blendedColorWithFraction:ofColor:, OOColor::colorWithHue:saturation:brightness:alpha:, OOColor::getHue:saturation:brightness:alpha:, and nil.

Here is the call graph for this function:

Variable Documentation

sInited

BOOL sInited = NO

static

Definition at line 51 of file OOSkyDrawable.m.

sMaxTexCoord

float sMaxTexCoord = 1.0f

static

Definition at line 50 of file OOSkyDrawable.m.

sMinTexCoord

float sMinTexCoord = 0.0f

static

Definition at line 50 of file OOSkyDrawable.m.

sNebulaTextures

OOProbabilisticTextureManager* sNebulaTextures

static

Definition at line 104 of file OOSkyDrawable.m.

sStarTextures

OOProbabilisticTextureManager* sStarTextures

static

Definition at line 103 of file OOSkyDrawable.m.