Split scene definition to use it in both raytracer and rasteriser

src/scene/scene.c

@@ -0,0 +1,69 @@
+#include "scene/scene.h"
+#include "c_cpp_aliases/aliases.h"
+
+#define ARR_LEN(ARR) sizeof(ARR) / sizeof(ARR[0])
+
+internal const sphere_t spheres[] = {
+    (sphere_t){
+        .radius = 1.0f,
+        .centre = (vec3f_t){.x = 0.0f, .y = -1.0f, .z = 3.0f},
+        .colour =
+            (colour_t){
+                .rgba.r = 245, .rgba.g = 238, .rgba.b = 158, .rgba.a = 255},
+        .specular = 500.0f,
+        .reflective = 0.3f,
+    },
+    (sphere_t){
+        .radius = 1.0f,
+        .centre = (vec3f_t){.x = -2.0f, .y = 0.0f, .z = 4.0f},
+        .colour =
+            (colour_t){
+                .rgba.r = 59, .rgba.g = 142, .rgba.b = 165, .rgba.a = 255},
+        .specular = 10.0f,
+        .reflective = 0.1f,
+    },
+    (sphere_t){
+        .radius = 1.0f,
+        .centre = (vec3f_t){.x = 2.0f, .y = 0.0f, .z = 4.0f},
+        .colour =
+            (colour_t){
+                .rgba.r = 171, .rgba.g = 52, .rgba.b = 40, .rgba.a = 255},
+        .specular = 500.0f,
+        .reflective = 0.4f,
+    },
+    (sphere_t){
+        .radius = 5000.0f,
+        .centre = (vec3f_t){.x = 0.0f, .y = -5001.0f, .z = 0.0f},
+        .colour =
+            (colour_t){
+                .rgba.r = 255, .rgba.g = 255, .rgba.b = 0, .rgba.a = 255},
+        .specular = 1000.0f,
+        .reflective = 0.5f,
+    },
+};
+
+internal const light_t lights[] = {
+    (light_t){
+        .type = LIGHT_TYPE_AMBIENT,
+        .intensity = 0.2f,
+    },
+    (light_t){
+        .type = LIGHT_TYPE_POINT,
+        .intensity = 0.6f,
+        .position = (vec3f_t){.x = 2.0f, .y = 1.0f, .z = 0.0f},
+    },
+    (light_t){
+        .type = LIGHT_TYPE_DIRECTIONAL,
+        .intensity = 0.2f,
+        .direction = (vec3f_t){.x = 1.0f, .y = 4.0f, .z = 4.0f},
+    },
+};
+
+internal scene_t scene = (scene_t){
+    .spheres = spheres,
+    .lights = lights,
+    .spheres_count = ARR_LEN(spheres),
+    .lights_count = ARR_LEN(lights),
+};
+
+const scene_t *build_test_scene(void) { return &scene; }