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#include "spriteBank.h"
#include "common.h"
#include "minorGems/util/SimpleVector.h"
#include "minorGems/util/stringUtils.h"
#include "minorGems/graphics/openGL/SingleTextureGL.h"
const char *spriteNames[ numSprites ] =
{
"gridLineTop",
"gridLineBottom",
"gridLineLeft",
"gridLineRight",
"plus",
"piece",
"pieceHalo",
"pieceCenter",
"pieceBrightHalo",
"pieceBrightCenter",
"numerals",
"numeralsBig",
"abcdefghijkl",
"mnopqrstuvwx",
"yzplus",
"abcdefghijkl_big",
"mnopqrstuvwx_big",
"yzplus_big"
};
SingleTextureGL *spriteTextures[ numSprites ];
void initSpriteBank() {
for( int i=0; i<numSprites; i++ ) {
char *fileName = autoSprintf( "%s.tga", spriteNames[ i ] );
Image *image = readTGA( fileName );
if( image != NULL ) {
spriteTextures[ i ] = new SingleTextureGL( image, true );
delete image;
}
else {
spriteTextures[i] = NULL;
}
delete [] fileName;
}
}
void freeSpriteBank() {
for( int i=0; i<numSprites; i++ ) {
if( spriteTextures[i] != NULL ) {
delete spriteTextures[i];
}
}
}
// global
extern int spriteDrawCount;
void drawSprite( SpriteHandle inSpriteHandle,
float inCenterX, float inCenterY,
float inXRadius, float inYRadius,
Color *inColor, float inAlpha,
float inSubsectionOffset,
float inSubsectionExtent ) {
SingleTextureGL *texture = spriteTextures[ inSpriteHandle ];
if( texture == NULL ) {
return;
}
if( inColor != NULL ) {
glColor4f( inColor->r, inColor->g, inColor->b, inAlpha );
}
else {
glColor4f( 1, 1, 1, inAlpha );
}
texture->enable();
// NOTE: this won't look good if we do the zoom-to-clear effect
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
const GLfloat squareVertices[] = {
inCenterX - inXRadius, inCenterY - inYRadius,
inCenterX + inXRadius, inCenterY - inYRadius,
inCenterX - inXRadius, inCenterY + inYRadius,
inCenterX + inXRadius, inCenterY + inYRadius,
};
/*
const GLubyte squareColors[] = {
255, 255, 0, 255,
0, 255, 255, 255,
255, 0, 0, 0,
255, 0, 255, 255,
};
*/
const GLfloat squareTextureCoords[] = {
0, inSubsectionOffset,
1, inSubsectionOffset,
0, inSubsectionOffset + inSubsectionExtent,
1, inSubsectionOffset + inSubsectionExtent
};
glVertexPointer( 2, GL_FLOAT, 0, squareVertices );
glEnableClientState( GL_VERTEX_ARRAY );
//glColorPointer( 4, GL_FLOAT, 0, squareColors );
//glEnableClientState( GL_COLOR_ARRAY );
glTexCoordPointer( 2, GL_FLOAT, 0, squareTextureCoords );
glEnableClientState( GL_TEXTURE_COORD_ARRAY );
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
/*
glBegin( GL_QUADS ); {
glTexCoord2f( 0, inSubsectionOffset );
glVertex2f( inCenterX - inXRadius, inCenterY - inYRadius );
glTexCoord2f( 1, inSubsectionOffset );
glVertex2f( inCenterX + inXRadius, inCenterY - inYRadius );
glTexCoord2f( 1, inSubsectionOffset + inSubsectionExtent );
glVertex2f( inCenterX + inXRadius, inCenterY + inYRadius );
glTexCoord2f( 0, inSubsectionOffset + inSubsectionExtent );
glVertex2f( inCenterX - inXRadius, inCenterY + inYRadius );
}
glEnd();
*/
texture->disable();
spriteDrawCount ++;
}
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