/**
* Method called by the World Class to render the Tile.
*
* @param x : location to where the Tile is going to be rendered.
* @param y : location to where the Tile is going to be rendered.
* @param w : instance of the World Class
* @param ent : List of entities that emit light.
*/
public void render(int x, int y, World w, ArrayList<Entity> ent) {
// Binding the Uniforms to make the light effects.
bindUniforms(w, ent);
// Setting up OpenGL for render
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ZERO);
// Updating the Tile coordinates.
this.x = x;
this.y = y;
glTranslatef(x, y, 0);
// Activating and Binding the Tile Texture.
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, this.tex);
// Sending the texture to the shader.
glUniform1i(glGetUniformLocation(shade.getShader(), "texture"), 0);
// Drawing the QUAD.
glBegin(GL_QUADS);
{
glTexCoord2f(0, 0);
glVertex2f(0, 0);
glTexCoord2f(0, 1);
glVertex2f(0, this.height);
glTexCoord2f(1, 1);
glVertex2f(this.width, this.height);
glTexCoord2f(1, 0);
glVertex2f(this.width, 0);
}
glEnd();
// Releasing the Texture.
glBindTexture(GL_TEXTURE_2D, 0);
// Getting the location back to the inicial coordinates.
glTranslatef(-x, -y, 0);
// Disabling BLEND and releasing shader for next render.
glDisable(GL_BLEND);
shade.release();
glClear(GL_STENCIL_BUFFER_BIT);
}
/** Update Method, called by the World class 60 times per second. */
public void update() {
if (Keyboard.isKeyDown(Keyboard.KEY_R)) shade.recompile();
}
