TextureManager.cpp

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#include "TextureManager.h"
#include "Logger.h"
#include "GameFile.h"
#include "Texture.h"
#include <glad/gl.h>
 
TextureManager TEXTUREMANAGER;
 
GLuint TextureManager::add(GameFile* file)
{
    GLuint id = 0;
 
    if (!file)
        return 0;
 
    const auto& name = file->fullname();
 
    // if the item already exists, return the existing ID
    if (names.find(name) != names.end())
    {
        id = names[name];
        items[id]->addref();
        return id;
    }
 
    // Else, create the texture
    Texture* tex = new Texture(file);
    
    // clear old texture memory from vid card
    glDeleteTextures(1, &id);
    // create new texture and put it in memory
    glGenTextures(1, &id);
 
    tex->id = id;
    tex->load();
 
    do_add(name, id, tex);
    return id;
}
 
//#define SAVE_BLP
 
void TextureManager::doDelete(GLuint id)
{
    if (glIsTexture(id))
    {
        glDeleteTextures(1, &id);
    }
}