Remove scene.c

src/scene.c

@@ -1,174 +0,0 @@
-/* scene.c
- *
- * Definition of Scene-related functions.
- *
- * Eryn Wells <eryn@erynwells.me>
- */
-
-
-#include <math.h>
-#include <stdlib.h>
-
-#include "scene.h"
-#include "texture.h"
-
-
-struct _ObjectList
-{
-    Object *object;
-    ObjectList *next;
-};
-
-
-static Color scene_trace_ray(Scene *scene, const Ray ray, const int depth);
-
-
-/*
- * scene_init --
- *
- * Initialize and return a new Scene. If the Scene could not be created, NULL is returned.
- */
-Scene *
-scene_init()
-{
-    Scene *new_scene = malloc(sizeof(Scene));
-    if (!new_scene) {
-        return NULL;
-    }
-
-    // Set some default values.
-    new_scene->height = 0;
-    new_scene->width = 0;
-    new_scene->camera = camera_init();
-
-    return new_scene;
-}
-
-
-/*
- * scene_destroy --
- *
- * Cleanup a Scene.
- */
-void
-scene_destroy(Scene *scene)
-{
-    if (scene == NULL) {
-        return;
-    }
-
-    camera_destroy(scene->camera);
-    free(scene);
-}
-
-
-/*
- * scene_load --
- *
- * Load a scene from a file into the given Scene object.
- */
-void
-scene_load(Scene *scene, FILE *scene_file)
-{ }
-
-
-/*
- * scene_render --
- *
- * Render the given Scene.
- */
-void
-scene_render(Scene *scene)
-{
-    scene->width = 640;
-    scene->height = 480;
-
-    scene->pixels = malloc(sizeof(Color) * scene->height * scene->width);
-    if (scene->pixels == NULL) {
-        // TODO: Print an error.
-        return;
-    }
-
-    Ray primary_ray;
-    Vector3 location, direction;
-    for (int y = 0; y < scene->height; y++) {
-        for (int x = 0; x < scene->width; x++) {
-            // Assemble a ray and trace it.
-            location = vector_init(x, y, -1000);
-            direction = vector_init(0, 0, 1);
-            primary_ray = ray_init(location, vector_normalize(direction));
-            scene->pixels[y * scene->width + x] = scene_trace_ray(scene, primary_ray, 0);
-        }
-    }
-
-    scene->is_rendered = 1;
-}
-
-
-/*
- * scene_add_object --
- *
- * Add an Object to the Scene.
- */
-void
-scene_add_object(Scene *scene, Object *obj)
-{
-    ObjectList *ol = malloc(sizeof(ObjectList));
-    if (ol == NULL) {
-        return;
-    }
-
-    ol->object = obj;
-    ol->next = NULL;
-
-    if (scene->objects == NULL) {
-        scene->objects = ol;
-        return;
-    }
-
-    ObjectList *ptr = scene->objects;
-    while (ptr != NULL) {
-        if (ptr->next == NULL) {
-            ptr->next = ol;
-            break;
-        }
-        ptr = ptr->next;
-    }
-}
-
-
-/* static */ Color
-scene_trace_ray(Scene *scene, const Ray ray, const int depth)
-{
-    Color out_color = {0, 0, 0};
-
-    // Find intersections of this ray with objects in the scene.
-    Object *intersected_obj = NULL;
-    float *t = NULL;
-    float nearest_t = INFINITY;
-    int nints;
-    ObjectList *ptr = scene->objects;
-    while (ptr != NULL) {
-        nints = object_does_intersect(ptr->object, ray, &t);
-        if (nints > 0) {
-            for (int i = 0; i < nints; i++) {
-                if (t[i] < nearest_t) {
-                    intersected_obj = ptr->object;
-                    nearest_t = t[i];
-                }
-            }
-            free(t);
-        }
-        ptr = ptr->next;
-    }
-
-    // If there was no intersection, return black.
-    if (intersected_obj == NULL) {
-        return out_color;
-    }
-
-    // TODO: Lighting.
-
-    Texture *tex = object_get_texture(intersected_obj);
-    return texture_get_color(tex);
-}