Audio API first pass

src/dawn/display/Transform.cpp

@@ -89,6 +89,7 @@ void Transform::setLocalPosition(glm::vec3 position) {
   this->localPosition = position;
   this->updateLocalTransformFromLocalValues();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
 }
 
 glm::vec3 Transform::getLocalScale() {
@@ -99,6 +100,7 @@ void Transform::setLocalScale(glm::vec3 scale) {
   this->localScale = scale;
   this->updateLocalTransformFromLocalValues();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
 }
 
 glm::quat Transform::getLocalRotation() {
@@ -109,6 +111,7 @@ void Transform::setLocalRotation(glm::quat rotation) {
   this->localRotation = rotation;
   this->updateLocalTransformFromLocalValues();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
 }
 
 
@@ -121,6 +124,11 @@ void Transform::setLocalTransform(glm::mat4 transform) {
 
   this->updateLocalValuesFromLocalTransform();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
+}
+
+glm::vec3 Transform::getWorldPosition() {
+  return glm::vec3(this->transformWorld[3]);
 }
 
 glm::mat4 Transform::getWorldTransform() {
@@ -131,6 +139,7 @@ void Transform::setWorldTransform(glm::mat4 transform) {
   this->transformWorld = transform;
   this->updateLocalTransformFromWorldTransform();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
 }
 
 
@@ -156,6 +165,7 @@ void Transform::setParent(Transform *parent) {
 
   this->updateLocalTransformFromWorldTransform();
   this->updateChildrenTransforms();
+  this->eventTransformUpdated.invoke();
 }
 
 Transform * Transform::getParent() {

src/dawn/display/Transform.hpp

@@ -7,6 +7,7 @@
 #include "dawnlibs.hpp"
 #include "assert/assert.hpp"
 #include "util/flag.hpp"
+#include "event/Event.hpp"
 
 namespace Dawn {
   class SceneItem;
@@ -38,6 +39,8 @@ namespace Dawn {
       void updateChildrenTransforms();
 
     public:
+      // I have no idea if I'm keeping this
+      Event<> eventTransformUpdated;
       SceneItem *item;
 
       /**
@@ -123,6 +126,13 @@ namespace Dawn {
        */
       void setLocalTransform(glm::mat4 transform);
 
+      /**
+       * Returns the position of the origin of this transform in world-space.
+       * 
+       * @return Transform origin in world-space.
+       */
+      glm::vec3 getWorldPosition();
+
       /**
        * Returns the transformation matrix for this transform, in world-space.
        * @return The transform origin in world-space.