src/sdlTexture.cpp

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#include "sdlTexture.h"

// ===== Constructor =====

sdlTexture::sdlTexture(std::string tPath, GLuint gTexID)
{
    gTextureID = gTexID;
    texPath = tPath;
    // The ifdef below breaks this class for non-Windows, but is as of now needed in order to run branch on Linux.
#ifdef _WINDOWS
    try
    {
        Surface = IMG_Load(texPath.c_str());
    }
    catch (const char* msg)
    {
        printError("Invalid terrain image path!");
        printError(msg);
    }
#endif
    if (Surface != NULL)
    {
        glGenTextures(1, &gTextureID);
        glBindTexture(GL_TEXTURE_2D, gTextureID);

        int Mode = GL_RGB;

        if (Surface->format->BytesPerPixel == 4) {
            Mode = GL_RGBA;
        }
        // Bind image to the texture.
        glTexImage2D(GL_TEXTURE_2D, 0, Mode, Surface->w, Surface->h, 0, Mode, GL_UNSIGNED_BYTE, Surface->pixels);
    }
    else
    {
        // If any error was encountered when loading the image,
        // such as incorrect file or incorrect path, gTextureID
        // will be set to -1 to indicate such an error.
        gTextureID = -1;
    }
}

// ===== Getter =====

GLuint sdlTexture::getTexID()
{
    return gTextureID;
}