138 lines
6.0 KiB
C
138 lines
6.0 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 <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 <wavefrontobj.h>
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CEXCEPTION_T global_exception;
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static void build_world(WORLD_World* world) {
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TUPLES_Color red, green, blue;
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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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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_stripe(&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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}
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static void log_perf(UTILITIES_Timer_Results results, char* prefix) {
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LOGGER_log(LOGGER_INFO, "%sWall: %.2f User: %.2f System: %.2f\n", prefix, results.wall_time_seconds,
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results.user_time_seconds, results.system_time_seconds);
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}
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int main(int argc, char *argv[]) {
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if (argc != 2 && argc != 3) {
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LOGGER_log(LOGGER_ERROR, "Must specify obj file to load.\n");
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exit(EXIT_FAILURE);
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}
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char* input_file = argv[1];
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double obj_scale = 1.0;
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if (argc == 3) {
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char* scale_string = argv[2];
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char* err = NULL;
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obj_scale = strtod(scale_string, &err);
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if (scale_string == err) {
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LOGGER_log(LOGGER_ERROR, "Error parsing scale factor\n");
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exit(EXIT_FAILURE);
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}
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}
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Try {
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LOGGER_log(LOGGER_INFO, "Building world...\n");
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TUPLES_Vector light_position, light_color;
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TUPLES_init_point(&light_position, -10, 10, -10);
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TUPLES_init_color(&light_color, 1, 1, 1);
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#if 0
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LIGHTS_Light* light = LIGHTS_new_pointlight(&light_position, &light_color);
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#else
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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(4096);
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LIGHTS_set_jitter_on_area_light(light, seq);
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SEQUENCES_delete(seq);
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#endif
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CAMERA_Camera* camera = CAMERA_new(1920,1080, M_PI / 3.0);
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TUPLES_Point* from = TUPLES_new_point(0, 1.5, -5);
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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(from, to, up);
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MATRIX_delete(camera_transform);
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WORLD_World* world = WORLD_new(light);
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build_world(world);
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UTILITIES_Timer* parse_timer = UTILITIES_Timer_start();
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WAVEFRONTOBJ_Obj* obj = WAVEFRONTOBJ_parse_file_by_name(input_file);
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WAVEFRONTOBJ_normalize(obj);
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UTILITIES_Timer_Results parse_results = UTILITIES_Timer_stop(parse_timer);
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log_perf(parse_results, "Parse time: ");
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GROUP_Group* obj_group = WAVEFRONTOBJ_get_default_group(obj);
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MATRIX_Matrix* obj_group_scale = MATRIX_new_scaling(obj_scale, obj_scale, obj_scale);
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MATRIX_Matrix* current_transform = GROUP_get_transform(obj_group);
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MATRIX_Matrix* new_transform = MATRIX_multiply(obj_group_scale, current_transform);
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GROUP_set_transform(obj_group, new_transform);
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MATRIX_delete_all(obj_group_scale, new_transform);
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MATERIAL_Material* obj_group_material = MATERIAL_new();
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obj_group_material->refractive_index = 1.5;
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obj_group_material->ambient = 0;
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obj_group_material->diffuse = 0;
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obj_group_material->reflective = 1.0;
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obj_group_material->transparency = 1.0;
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obj_group_material->shininess = 400;
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GROUP_set_material(obj_group, obj_group_material);
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MATERIAL_delete(obj_group_material);
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LOGGER_log(LOGGER_INFO, "Computing bounds...\n");
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UTILITIES_Timer* divide_timer = UTILITIES_Timer_start();
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SHAPE_divide((SHAPE_Shape*)obj_group, 1000);
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UTILITIES_Timer_Results divide_results = UTILITIES_Timer_stop(divide_timer);
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log_perf(divide_results, "Divide time: ");
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WORLD_add_object(world, obj_group);
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UTILITIES_Timer* render_timer = UTILITIES_Timer_start();
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CANVAS_Canvas* canvas = CAMERA_render(camera, world);
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UTILITIES_Timer_Results render_results = UTILITIES_Timer_stop(render_timer);
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log_perf(render_results, "Render time: ");
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char *filename = "render_obj.ppm";
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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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WORLD_delete_all_objects(world);
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WORLD_delete(world);
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LIGHTS_delete(light);
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CAMERA_delete(camera);
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CANVAS_delete(canvas);
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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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exit(EXIT_FAILURE);
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} else if (global_exception == E_FILE_FAILED) {
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printf("Failed to open %s\n", input_file);
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exit(EXIT_FAILURE);
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} else {
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printf("Unknown exception %i occurred\n", global_exception);
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exit(EXIT_FAILURE);
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}
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}
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return EXIT_SUCCESS;
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}
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