Fixed absoute positioning, I think...

include/Engine/Rendering/RenderQueueFactory.h

@@ -22,6 +22,10 @@ private:
     void FillLights(World* world, RenderQueue* renderQueue);
 
     glm::mat4 ModelMatrix(World* world, EntityID entity);
+
+    glm::vec3 AbsolutePosition(World* world, EntityID entity);
+    glm::quat AbsoluteOrientation(World* world, EntityID entity);
+    glm::vec3 AbsoluteScale(World* world, EntityID entity);
 };
 
 #endif

src/Engine/Rendering/RenderQueueFactory.cpp

@@ -15,20 +15,51 @@ void RenderQueueFactory::Update(World* world)
 
 glm::mat4 RenderQueueFactory::ModelMatrix(World* world, EntityID entity)
 {
-    //should really return absolute model matrix based on parents position, scale and orientation
-    //GetAbsolutePosition(World* world, ComponentWrapper transformComponent)
+    glm::vec3 position = AbsolutePosition(world, entity);
+    glm::quat orientation = AbsoluteOrientation(world, entity);
+    glm::vec3 scale = AbsoluteScale(world, entity);
 
-    ComponentWrapper transformComponent = world->GetComponent(entity, "Transform");
-    glm::vec3 position = transformComponent["Position"];
-    glm::vec3 scale = transformComponent["Scale"];
-    glm::vec3 oritentation = transformComponent["Orientation"];
+    glm::mat4 modelMatrix = glm::translate(glm::mat4(), position) * glm::toMat4(orientation) * glm::scale(scale);
+    return modelMatrix;
+}
+
+
+glm::vec3 RenderQueueFactory::AbsolutePosition(World* world, EntityID entity)
+{
+    glm::vec3 position;
+
+    do {
+        ComponentWrapper transform = world->GetComponent(entity, "Transform");
+        position += AbsoluteOrientation(world, entity) * (glm::vec3)transform["Position"];
+        entity = world->GetParent(entity);
+    } while (entity != 0);
+   
+    return position;
+}
+
+glm::quat RenderQueueFactory::AbsoluteOrientation(World* world, EntityID entity)
+{
+    glm::quat orientation;
+
+    do {
+        ComponentWrapper transform = world->GetComponent(entity, "Transform");
+        orientation = glm::quat((glm::vec3)transform["Orientation"]) * orientation;
+        entity = world->GetParent(entity);
+    } while (entity != 0);
+    
+    return orientation;
+}
+
+glm::vec3 RenderQueueFactory::AbsoluteScale(World* world, EntityID entity)
+{
+    ComponentWrapper transform = world->GetComponent(entity, "Transform");
+    glm::vec3 scale = (glm::vec3)transform["Scale"];
 
-    glm::mat4 modelMatrix = glm::translate(glm::mat4(), position) * glm::toMat4(glm::quat(oritentation)) * glm::scale(scale);
     EntityID parent = world->GetParent(entity);
     if (parent != 0) {
-        return ModelMatrix(world, parent) * modelMatrix;
+        return AbsoluteScale(world, parent) * scale;
     } else {
-        return modelMatrix;
+        return scale;
     }
 }