/* 
 * This file is part of the Minecraft Overviewer.
 *
 * Minecraft Overviewer is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * Minecraft Overviewer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with the Overviewer.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "../overviewer.h"

typedef struct {
    uint8_t r, g, b, a;
} OverlayColor;

typedef struct {
    /* top facemask and white color image, for drawing overlays */
    PyObject *facemask_top, *white_color;
    /* color will be a pointer to either the default_color object below or
       to a specially allocated color object that is instantiated from the
       settings file */
    OverlayColor* color;
    OverlayColor default_color;
    /* can be overridden in derived classes to control
       overlay alpha and color
       last four vars are r, g, b, a out */
    void (*get_color)(void*, RenderState*,
                      uint8_t*, uint8_t*, uint8_t*, uint8_t*);
} RenderPrimitiveOverlay;
extern RenderPrimitiveInterface primitive_overlay;

void overlay_draw(void* data, RenderState* state, PyObject* src, PyObject* mask, PyObject* mask_light);