145 lines
6.1 KiB
C
145 lines
6.1 KiB
C
#include "logger.h"
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#include "canvas.h"
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#include "exceptions.h"
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#include "ray.h"
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#include <stdio.h>
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#include <sphere.h>
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#include <cube.h>
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#include <plane.h>
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#include <camera.h>
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#include "pattern.h"
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#include <math.h>
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#include <assert.h>
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CEXCEPTION_T global_exception;
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void build_world(WORLD_World* world) {
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TUPLES_Color red, green, blue, white, black;
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TUPLES_init_color(&red, 1, 0, 0);
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TUPLES_init_color(&green, 0, 1, 0);
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TUPLES_init_color(&blue, 0, 0, 1);
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TUPLES_init_color(&black, 0, 0, 0);
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TUPLES_init_color(&white, 1, 1, 1);
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PLANE_Plane* floor = PLANE_new();
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WORLD_add_object(world, floor);
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MATERIAL_Material* material = MATERIAL_new();
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material->specular = 0;
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PATTERN_Pattern* floor_pattern = PATTERN_new_checkers(&red, &green);
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MATRIX_Matrix* pattern_transform = MATRIX_new_rotation_y(-M_PI / 5);
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PATTERN_set_transform(floor_pattern, pattern_transform);
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MATRIX_delete(pattern_transform);
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MATERIAL_set_pattern(material, floor_pattern);
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PATTERN_delete(floor_pattern);
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PLANE_set_material(floor, material);
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MATERIAL_delete(material);
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SPHERE_Sphere* middle = SPHERE_new();
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WORLD_add_object(world, middle);
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MATRIX_Matrix* middle_transform = MATRIX_new_translation(-0.5, 1, 0.5);
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SPHERE_set_transform(middle, middle_transform);
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MATRIX_delete(middle_transform);
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/*
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MATERIAL_Material* middle_material = MATERIAL_new();
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middle_material->ambient = 0;
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middle_material->diffuse = 0;
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middle_material->refractive_index = 1.5;
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middle_material->refractive_index = 1.20;
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middle_material->refractive_index = 1.10;
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middle_material->transparency = 1.0;
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middle_material->reflective = 1.0;
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middle_material->shadow_calc = true;
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SPHERE_set_material(middle, middle_material);
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MATERIAL_delete(middle_material);
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*/
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UV_Pattern *checkers = UV_PATTERN_new_checkers(16, 16, &white, &black);
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PATTERN_Pattern *p = PATTERN_new_map(checkers, &UV_PATTERN_spherical_map);
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MATERIAL_set_pattern(SPHERE_get_material(middle), p);
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PATTERN_delete(p);
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UV_PATTERN_delete(checkers);
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}
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void generate_coordinates(TUPLES_Point* dest, double t) {
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assert(dest);
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assert(t > 0 || double_equal(t, 0));
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assert(t <= M_2_PI);
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//double y = 1.75;
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double y = 2.75;
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double x = 5 * cos(t) - 2.5;
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double z = 5 * sin(2 * t);
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TUPLES_init_point(dest, x, y, z);
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}
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int main(void) {
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Try {
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LOGGER_log(LOGGER_INFO, "Building world...\n");
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TUPLES_Point light_position;
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TUPLES_init_point(&light_position, -10, 10, -10);
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TUPLES_Color light_color;
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TUPLES_init_color(&light_color, 1, 1, 1);
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TUPLES_Vector v1, v2;
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TUPLES_init_vector(&v1, 4, 0, 0);
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TUPLES_init_vector(&v2, 0, 3, 0);
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LIGHTS_Light* light = LIGHTS_new_arealight(&light_position, &v1, 8, &v2, 8, &light_color);
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SEQUENCES_Sequence* seq = SEQUENCES_new_random(4093);
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LIGHTS_set_jitter_on_area_light(light, seq);
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SEQUENCES_delete(seq);
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WORLD_World* world = WORLD_new((LIGHTS_Light*)light);
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build_world(world);
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double fps = 30;
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double length_in_seconds = 30;
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double total_frames = fps * length_in_seconds;
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double t_per_frame = (2*M_PI) / total_frames;
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unsigned int frame = 0;
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UTILITIES_Timer* render_timer = UTILITIES_Timer_start();
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for (double t = 0; t < 2 * M_PI; t += t_per_frame) {
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UTILITIES_Timer* frame_timer = UTILITIES_Timer_start();
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// CAMERA_Camera* camera = CAMERA_new(320, 240, M_PI / 3.0);
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CAMERA_Camera* camera = CAMERA_new(1920, 1080, M_PI / 3.0);
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//CAMERA_Camera* camera = CAMERA_new(3840, 2160, M_PI / 3.0);
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TUPLES_Point from;
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generate_coordinates(&from, t);
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TUPLES_Point* to = TUPLES_new_point(0, 1, 0);
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TUPLES_Vector* up = TUPLES_new_vector(0, 1, 0);
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MATRIX_Matrix* camera_transform = CAMERA_view_transform(&from, to, up);
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CAMERA_set_transform(camera, camera_transform);
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TUPLES_delete_all(to, up);
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MATRIX_delete(camera_transform);
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LOGGER_log(LOGGER_INFO, "Rendering...\n");
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CANVAS_Canvas* canvas = CAMERA_render(camera, world);
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const char *filename_template = "sphere_spin_%03u.ppm";
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char* filename = NULL;
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Sasprintf(filename, filename_template, frame);
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LOGGER_log(LOGGER_INFO, "Writing file %s...\n", filename);
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CANVAS_write_to_file(canvas, filename);
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LOGGER_log(LOGGER_INFO, "Cleaning up...\n");
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CAMERA_delete(camera);
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CANVAS_delete(canvas);
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frame++;
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UTILITIES_Timer_Results frame_results = UTILITIES_Timer_stop(frame_timer);
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LOGGER_log(LOGGER_INFO, "Last frame - Wall: %.2f User: %.2f System: %.2f\n", frame_results.wall_time_seconds,
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frame_results.user_time_seconds, frame_results.system_time_seconds);
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}
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UTILITIES_Timer_Results render_results = UTILITIES_Timer_stop(render_timer);
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LOGGER_log(LOGGER_INFO, "Wall: %.2f User: %.2f System: %.2f\n", render_results.wall_time_seconds,
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render_results.user_time_seconds, render_results.system_time_seconds);
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WORLD_delete_all_objects(world);
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WORLD_delete(world);
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LIGHTS_delete(light);
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} Catch(global_exception) {
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if (global_exception == E_MALLOC_FAILED)
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printf("Malloc failed. Exiting\n");
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else if (global_exception == E_FILE_FAILED)
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printf("Failed to open test.ppm\n");
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else
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printf("Unknown exception %i occurred\n", global_exception);
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}
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return 0;
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}
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