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#include <Texture.h>
#include <string.h>
struct texture_t {
char *name;
GLuint tex;
} __attribute__ ((packed));
struct texture_t *LoadedTexture[256];
unsigned int LoadedTextureCounter = 0;
namespace Texture{
GLuint loadTexture(const char *fileName){
SDL_Surface *image;
GLuint object = 0;
for(unsigned int i=0;i<LoadedTextureCounter;i++){
if(!strcmp(LoadedTexture[i]->name,fileName)){
#ifdef DEBUG
DEBUG_printf("Reusing loaded texture for %s\n",fileName);
#endif // DEBUG
return LoadedTexture[i]->tex;
}
}
if(!fileName)
return 0;
if(!(image = IMG_Load(fileName)))
return 0;
#ifdef DEBUG
DEBUG_printf("Loaded image file: %s\n", fileName);
#endif // DEBUG
glGenTextures(1,&object); // Turns "object" into a texture
glBindTexture(GL_TEXTURE_2D,object); // Binds "object" to the top of the stack
glPixelStoref(GL_UNPACK_ALIGNMENT,1);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); // Sets the "min" filter
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); // The the "max" filter of the stack
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); // Wrap the texture to the matrix
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); //
glTexImage2D(GL_TEXTURE_2D, // Sets the texture to the image file loaded above
0,
GL_RGBA,
image->w,
image->h,
0,
GL_RGBA,
GL_UNSIGNED_BYTE,
image->pixels
);
SDL_FreeSurface(image); // Free the surface
LoadedTexture[LoadedTextureCounter] = new struct texture_t; //(struct texture_t *)malloc(sizeof(struct texture_t));
LoadedTexture[LoadedTextureCounter]->name = new char[strlen(fileName)+1]; //(char *)malloc(safe_strlen(fileName));
LoadedTexture[LoadedTextureCounter]->tex = object;
strcpy(LoadedTexture[LoadedTextureCounter]->name,fileName);
LoadedTextureCounter++;
return object;
}
}
Texturec::Texturec(uint amt, ...){
va_list fNames;
texState = 0;
image = new GLuint[amt];
va_start(fNames, amt);
for(unsigned int i = 0; i < amt; i++){
image[i] = Texture::loadTexture(va_arg(fNames, char *));
}
va_end(fNames);
}
Texturec::Texturec(uint amt,const char **paths){
texState = 0;
image = new GLuint[amt];
for(unsigned int i = 0; i < amt; i++){
image[i] = Texture::loadTexture(paths[i]);
}
}
Texturec::~Texturec(){
delete[] image;
}
void Texturec::bind(unsigned int bn){
texState = bn;
glBindTexture(GL_TEXTURE_2D,image[(int)texState]);
}
void Texturec::bindNext(){
bind(++texState);
}
void Texturec::bindPrev(){
bind(--texState);
}
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