From 3db2b6fe574ce7d2e0b49720f0453b824a4d8312 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 5 Jan 2023 17:17:39 -0800
Subject: Move skyquad node setup to util.

---
 gltfview/src/game.c | 62 ++++++++++-------------------------------------------
 1 file changed, 11 insertions(+), 51 deletions(-)

(limited to 'gltfview')

diff --git a/gltfview/src/game.c b/gltfview/src/game.c
index bd474d6..54e498b 100644
--- a/gltfview/src/game.c
+++ b/gltfview/src/game.c
@@ -55,7 +55,7 @@ static ShaderProgram* load_shader(
   return shader;
 }
 
-/// Loads the skyquad texture.
+/// Load the skyquad texture.
 static Texture* load_environment_map(RenderBackend* render_backend) {
   return gfx_load_texture(
       render_backend,
@@ -75,60 +75,20 @@ static Texture* load_environment_map(RenderBackend* render_backend) {
   });
 }
 
-/// Creates an object to render the skyquad in the background.
-static SceneNode* make_skyquad_object_node(
-    Game* game, const Texture* environment_map) {
+/// Load the skyquad and return the environment light node.
+static SceneNode* load_skyquad(Game* game) {
   assert(game);
 
-  SceneObject* skyquad_object =
-      gfx_make_skyquad(game->gfx, game->scene, environment_map);
-  if (!skyquad_object) {
-    return 0;
-  }
-  SceneNode* skyquad_node = gfx_make_object_node(skyquad_object);
-  if (!skyquad_node) {
-    return 0;
-  }
-  gfx_set_node_parent(skyquad_node, gfx_get_scene_root(game->scene));
-  return skyquad_node;
-}
-
-/// Creates an environment light.
-static SceneNode* make_environment_light(
-    Game* game, const Texture* environment_light) {
-  assert(game);
-
-  Light* light = gfx_make_light(&(LightDesc){
-      .type  = EnvironmentLightType,
-      .light = (EnvironmentLightDesc){.environment_map = environment_light}});
-  if (!light) {
-    return 0;
-  }
-  SceneNode* light_node = gfx_make_light_node(light);
-  if (!light_node) {
-    return 0;
-  }
-  gfx_set_node_parent(light_node, gfx_get_scene_root(game->scene));
-  return light_node;
-}
-
-/// Loads the skyquad and returns the SceneNode with the environment light.
-static bool load_skyquad(Game* game, SceneNode** node) {
-  assert(game);
-  assert(node);
-
   Texture* environment_map = load_environment_map(game->render_backend);
   if (!environment_map) {
-    return false;
+    return 0;
   }
 
-  make_skyquad_object_node(game, environment_map);
-  *node = make_environment_light(game, environment_map);
-
-  return true;
+  return gfx_setup_skyquad(
+      game->gfx, gfx_get_scene_root(game->scene), environment_map);
 }
 
-/// Loads the 3D scene.
+/// Load the 3D scene.
 static bool load_scene(
     Game* game, const char* scene_filepath, const char* view_mode) {
   assert(game);
@@ -143,8 +103,8 @@ static bool load_scene(
   // Damaged helmet.
   spatial3_set_position(&camera->spatial, vec3_make(0, 0, 2));
 
-  SceneNode* sky_node = 0;
-  if (!load_skyquad(game, &sky_node) || !sky_node) {
+  SceneNode* sky_light_node = load_skyquad(game);
+  if (!sky_light_node) {
     return false;
   }
 
@@ -155,7 +115,7 @@ static bool load_scene(
   // }
 
   if (!gfx_load_scene(
-          game->gfx, sky_node,
+          game->gfx, sky_light_node,
           &(LoadSceneCmd){
               .origin = SceneFromFile, .filepath = scene_filepath})) {
     return false;
@@ -164,7 +124,7 @@ static bool load_scene(
   return true;
 }
 
-/// Loads a scene for debugging textures.
+/// Load a scene for debugging textures.
 static bool load_texture_debugger_scene(Game* game) {
   assert(game);
 
-- 
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