public void render(Map<TexturedModel, List<Entity>> entities) {
for (TexturedModel model : entities.keySet()) {
prepareTexturedModel(model);
List<Entity> batch = entities.get(model);
for (Entity entity : batch) {
prepareInstance(entity);
GL11.glDrawElements(
GL11.GL_TRIANGLES, model.getModel().getVertexCount(), GL11.GL_UNSIGNED_INT, 0);
}
unbindTexturedModel();
}
}
private void prepareTexturedModel(TexturedModel model) {
RawModel rawModel = model.getModel();
GL30.glBindVertexArray(rawModel.getVaoID());
GL20.glEnableVertexAttribArray(0); // vertices array
GL20.glEnableVertexAttribArray(1); // textures array
GL20.glEnableVertexAttribArray(2); // normals array
{ // Load Texture and shine
ModelTexture texture = model.getTexture();
shader.loadShineVariables(texture.getShineDamper(), texture.getReflectivity());
GL13.glActiveTexture(GL13.GL_TEXTURE0);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, model.getTexture().getTextureID());
}
}