OOTextureSprite Class Reference

#include <OOTextureSprite.h>

Inheritance diagram for OOTextureSprite:

Collaboration diagram for OOTextureSprite:

Instance Methods
(id)	- initWithTexture:
(id)	- initWithTexture:size:
(NSSize)	- size
(void)	- blitToX:Y:Z:alpha:
(void)	- blitCentredToX:Y:Z:alpha:
(void)	- blitBackgroundCentredToX:Y:Z:alpha:
(void)	- dealloc [implementation]

Private Attributes
OOTexture *	texture
NSSize	size

Detailed Description

Definition at line 35 of file OOTextureSprite.h.

Method Documentation

blitBackgroundCentredToX:Y:Z:alpha:

- (void) blitBackgroundCentredToX:		(float)	x
Y:		(float)	y
Z:		(float)	z
alpha:		(float)	a

Definition at line 1 of file OOTextureSprite.m.

                                 :(float)x Y:(float)y Z:(float)z alpha:(float)a
{
    // Without distance, coriolis stations would be rendered behind the background image.
    // Set an arbitrary value for distance, might not be sufficient for really huge ships.
    float   distance = 512.0f;
    
    size.width *= distance; size.height *= distance;
    [self blitCentredToX:x Y:y Z:z * distance alpha:a];
    size.width /= distance; size.height /= distance;
}

References initWithTexture:size:, and OOTexture::originalDimensions.

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blitCentredToX:Y:Z:alpha:

- (void) blitCentredToX:		(float)	x
Y:		(float)	y
Z:		(float)	z
alpha:		(float)	a

Definition at line 1 of file OOTextureSprite.m.

                       :(float)x Y:(float)y Z:(float)z alpha:(float)a
{
    float   xs = x - size.width / 2.0;
    float   ys = y - size.height / 2.0;
    [self blitToX:xs Y:ys Z:z alpha:a];
}

blitToX:Y:Z:alpha:

- (void) blitToX:		(float)	x
Y:		(float)	y
Z:		(float)	z
alpha:		(float)	a

Definition at line 1 of file OOTextureSprite.m.

                :(float)x Y:(float)y Z:(float)z alpha:(float)a
{
    OO_ENTER_OPENGL();
    OOSetOpenGLState(OPENGL_STATE_OVERLAY);
    
    a = OOClamp_0_1_f(a);
    OOGL(glEnable(GL_TEXTURE_2D));
    OOGL(glColor4f(1.0, 1.0, 1.0, a));
    
    // Note that the textured Quad is drawn ACW from the top left.
    
    [texture apply];
    OOGLBEGIN(GL_QUADS);
        glTexCoord2f(0.0, 0.0);
        glVertex3f(x, y+size.height, z);
        
        glTexCoord2f(0.0, 1.0);
        glVertex3f(x, y, z);
        
        glTexCoord2f(1.0, 1.0);
        glVertex3f(x+size.width, y, z);
        
        glTexCoord2f(1.0, 0.0);
        glVertex3f(x+size.width, y+size.height, z);
    OOGLEND();
    
    OOGL(glDisable(GL_TEXTURE_2D));
    
    OOVerifyOpenGLState();
}

dealloc

- (void) dealloc

implementation

Definition at line 1 of file OOTextureSprite.m.

{
    [texture release];
    
    [super dealloc];
}

initWithTexture:

- (id) initWithTexture:

(OOTexture *)

texture

Definition at line 1 of file OOTextureSprite.m.

                     :(OOTexture *)inTexture
{
    return [self initWithTexture:inTexture size:[inTexture originalDimensions]];
}

initWithTexture:size:

- (id) initWithTexture:		(OOTexture *)	texture
size:		(NSSize)	spriteSize

Definition at line 1 of file OOTextureSprite.m.

                     :(OOTexture *)inTexture size:(NSSize)spriteSize
{
    if (inTexture == nil)
    {
        [self release];
        return nil;
    }
    
    self = [super init];
    if (self != nil)
    {
        texture = [inTexture retain];
        size = spriteSize;
    }
    return self;
}

Referenced by blitBackgroundCentredToX:Y:Z:alpha:.

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size

- (NSSize) size

Member Data Documentation

size

- (NSSize) size

private

Definition at line 39 of file OOTextureSprite.h.

texture

- (OOTexture*) texture

private

Definition at line 38 of file OOTextureSprite.h.

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The documentation for this class was generated from the following files:

• src/Core/OOTextureSprite.h
• src/Core/OOTextureSprite.m