mostly migrated for c compatibility

src/world/scene.h

@@ -1,7 +1,5 @@
-#include <vector>
-#include "glm/glm.hpp"
-#include <glm/gtx/quaternion.hpp>
 #include "../gfx/gfx.h"
+#include "../lib/raymath.h"
 
 enum EntityFlags {
     EntityFlags_Visible=1<<0,
@@ -17,27 +15,27 @@ struct Entity {
 };
 
 struct SceneGraphNode {
-    glm::mat4 local;
-    glm::mat4 world;
-    glm::vec3 translation;
-    glm::quat rotation;
-    glm::vec3 scale;
-    std::vector<uint32> children;
+    Matrix local;
+    Matrix world;
+    RLVector3 translation;
+    Quaternion rotation;
+    RLVector3 scale;
+    list<uint32> children;
     uint32 entityHandle;
     uint32 parentHandle;
 };
 
 struct Scene {
     uint32 sceneRoot;
-    std::vector<Entity> entities;
-    std::vector<SceneGraphNode> graphNodes;
+    list<Entity> entities;
+    list<SceneGraphNode> graphNodes;
 };
 
-uint32 createEntity(Scene *s);
+uint32 createEntity(Arena *arena, Scene *s);
 Entity *getEntity(Scene *s);
 SceneGraphNode *getSceneGraphNode(Scene *s, int id); 
-uint32 createSceneGraphNode(Scene *s);
-Scene createScene(Scene *s);
+uint32 createSceneGraphNode(Arena *arena, Scene *s);
+Scene createScene(Arena *arena);
 void initGraphNode(SceneGraphNode *n); 
 void recalcGraphNode(SceneGraphNode *n);
 void recalcSceneGraphNode(Scene *s, uint32 parentHandle);