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/*************************************************************************
* Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library is free software; you can redistribute it and/ *
* or modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension Library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
/**
* @file
* Scenes.
*/
#include "dimension-internal.h"
#include <stdlib.h>
/* Allocate an empty scene */
dmnsn_scene *
dmnsn_new_scene(void)
{
dmnsn_scene *scene = dmnsn_malloc(sizeof(dmnsn_scene));
scene->background = NULL;
scene->default_texture = dmnsn_new_texture();
scene->default_interior = dmnsn_new_interior();
scene->canvas = NULL;
scene->region_x = 0;
scene->region_y = 0;
scene->outer_width = 0;
scene->outer_height = 0;
scene->objects = dmnsn_new_array(sizeof(dmnsn_object *));
scene->lights = dmnsn_new_array(sizeof(dmnsn_light *));
scene->camera = NULL;
scene->quality = DMNSN_RENDER_FULL;
scene->reclimit = 5;
scene->adc_bailout = 1.0/255.0;
scene->nthreads = dmnsn_ncpus();
scene->initialized = false;
return scene;
}
/* Free a scene */
void
dmnsn_delete_scene(dmnsn_scene *scene)
{
if (scene) {
DMNSN_ARRAY_FOREACH (dmnsn_light **, light, scene->lights) {
dmnsn_delete_light(*light);
}
DMNSN_ARRAY_FOREACH (dmnsn_object **, object, scene->objects) {
dmnsn_delete_object(*object);
}
dmnsn_delete_array(scene->lights);
dmnsn_delete_array(scene->objects);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_camera(scene->camera);
dmnsn_delete_interior(scene->default_interior);
dmnsn_delete_texture(scene->default_texture);
dmnsn_delete_pigment(scene->background);
dmnsn_free(scene);
}
}
void
dmnsn_initialize_scene(dmnsn_scene *scene)
{
dmnsn_assert(!scene->initialized, "Scene double-initialized.");
scene->initialized = true;
if (scene->outer_width == 0) {
scene->outer_width = scene->canvas->width;
}
if (scene->outer_height == 0) {
scene->outer_height = scene->canvas->height;
}
dmnsn_initialize_pigment(scene->background);
dmnsn_initialize_texture(scene->default_texture);
DMNSN_ARRAY_FOREACH (dmnsn_object **, object, scene->objects) {
dmnsn_texture_cascade(scene->default_texture, &(*object)->texture);
dmnsn_interior_cascade(scene->default_interior, &(*object)->interior);
dmnsn_initialize_object(*object);
}
}
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