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/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
* Dimension 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. *
* *
* Dimension 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/>. *
*************************************************************************/
#include "tests.h"
#include <stdlib.h>
#include <stdio.h>
int
main() {
dmnsn_display *display;
dmnsn_progress *progress;
dmnsn_scene *scene;
dmnsn_object *sphere, *cube;
dmnsn_sRGB sRGB;
dmnsn_color color;
dmnsn_matrix trans;
unsigned int i;
/* Set the resilience low for tests */
dmnsn_set_resilience(DMNSN_SEVERITY_LOW);
/* Allocate our new scene */
scene = dmnsn_new_scene();
if (!scene) {
fprintf(stderr, "--- Allocation of scene failed! ---\n");
return EXIT_FAILURE;
}
/* Allocate a canvas */
scene->canvas = dmnsn_new_canvas(768, 480);
if (!scene->canvas) {
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Allocation of canvas failed! ---\n");
return EXIT_FAILURE;
}
/* Set up the transformation matrix for the perspective camera */
trans = dmnsn_scale_matrix(
dmnsn_vector_construct(
((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
)
);
trans = dmnsn_matrix_mul(
dmnsn_translation_matrix(dmnsn_vector_construct(0.0, 0.0, -4.0)),
trans
);
trans = dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, 1.0, 0.0)),
trans
);
/* Create a perspective camera */
scene->camera = dmnsn_new_perspective_camera(trans);
if (!scene->camera) {
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Allocation of camera failed! ---\n");
return EXIT_FAILURE;
}
/* Background color */
sRGB.R = 0.0;
sRGB.G = 0.0;
sRGB.B = 0.1;
color = dmnsn_color_from_sRGB(sRGB);
color.filter = 0.1;
scene->background = color;
/* Now make our objects */
sphere = dmnsn_new_sphere();
if (!sphere) {
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Allocation of sphere failed! ---\n");
return EXIT_FAILURE;
}
sphere->trans = dmnsn_matrix_inverse(
dmnsn_scale_matrix(dmnsn_vector_construct(1.25, 1.25, 1.25))
);
dmnsn_array_push(scene->objects, &sphere);
cube = dmnsn_new_cube();
if (!cube) {
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Allocation of cube failed! ---\n");
return EXIT_FAILURE;
}
cube->trans = dmnsn_matrix_inverse(
dmnsn_rotation_matrix(dmnsn_vector_construct(0.75, 0.0, 0.0))
);
dmnsn_array_push(scene->objects, &cube);
display = dmnsn_new_X_display(scene->canvas);
if (!display) {
dmnsn_delete_cube(cube);
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Couldn't initialize X! ---\n");
return EXIT_FAILURE;
}
for (i = 0; i < 10; ++i) {
progress = dmnsn_raytrace_scene_async(scene);
if (!progress) {
dmnsn_delete_display(display);
dmnsn_delete_cube(cube);
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Couldn't start raytracing worker thread! ---\n");
return EXIT_FAILURE;
}
progressbar("Raytracing scene: ", progress);
if (dmnsn_finish_progress(progress) != 0) {
dmnsn_delete_display(display);
dmnsn_delete_cube(cube);
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Raytracing failed! ---\n");
return EXIT_FAILURE;
}
if (dmnsn_X_write_canvas(scene->canvas) != 0) {
dmnsn_delete_display(display);
dmnsn_delete_cube(cube);
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
fprintf(stderr, "--- Drawing to X failed! ---\n");
return EXIT_FAILURE;
}
dmnsn_display_frame(display);
/* Rotate the cube and camera for the next frame */
cube->trans = dmnsn_matrix_mul(
dmnsn_matrix_inverse(
dmnsn_rotation_matrix(dmnsn_vector_construct(0.025, 0.0, 0.0))
),
cube->trans
);
trans = dmnsn_matrix_mul(
dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, -0.05, 0.0)),
trans
);
dmnsn_set_perspective_camera_trans(scene->camera, trans);
}
dmnsn_delete_display(display);
dmnsn_delete_cube(cube);
dmnsn_delete_sphere(sphere);
dmnsn_delete_perspective_camera(scene->camera);
dmnsn_delete_canvas(scene->canvas);
dmnsn_delete_scene(scene);
return EXIT_SUCCESS;
}
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