First attempt to play audio

src/dawn/poker/PokerPlayer.cpp

@@ -14,9 +14,7 @@ PokerPlayer::PokerPlayer(SceneItem *item) : SceneItemComponent(item) {
 
 void PokerPlayer::onStart() {
   SceneItemComponent::onStart();
-
   this->pokerGame = this->getScene()->findComponent<PokerGame>();
-  assertNotNull(this->pokerGame);
 }
 
 void PokerPlayer::addChips(int32_t chips) {

src/dawn/scene/components/display/ShaderInterface.hpp

@@ -0,0 +1,60 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#pragma once
+#include "scene/components/display/Material.hpp"
+#include "scene/SceneItem.hpp"
+
+namespace Dawn {
+  template<class T>
+  class ShaderInterface : public SceneItemComponent {
+    public:
+      /**
+       * ShaderInterface to provide a common interface language for all shaders
+       * that can be referenced by scene components.
+       * 
+       * @param i SceneItem this Shader interface belongs to.
+       */
+      ShaderInterface(SceneItem *i)  : SceneItemComponent(i) {}
+
+      /**
+       * Sets the shader for this shader interface to use. Will also update the
+       * underlying material for you.
+       * 
+       * @param shader Shader to use for this interface.
+       */
+      void setShader(T *shader) {
+        assertNotNull(shader);
+        this->getMaterial()->setShader(shader);
+      }
+
+      /**
+       * Returns the shader, assuming that the material has the correct shader.
+       * 
+       * @return Pointer to the shader.
+       */
+      T * getShader() {
+        auto material =  dynamic_cast<T*>(this->getMaterial()->getShader());
+        return material;
+      }
+
+      /**
+       * Returns the material attached to this scene item.
+       * 
+       * @return The attached material.
+       */
+      Material * getMaterial() {
+        auto mat = this->item->getComponent<Material>();
+        assertNotNull(mat);
+        return mat;
+      }
+      
+      std::vector<SceneItemComponent*> getDependencies() override {
+        return std::vector<SceneItemComponent*>{
+          this->item->getComponent<Material>()
+        };
+      }
+  };
+}

src/dawn/visualnovel/components/VisualNovelCharacter.cpp

@@ -10,5 +10,5 @@ using namespace Dawn;
 VisualNovelCharacter::VisualNovelCharacter(SceneItem *item) :
   SceneItemComponent(item)
 {
-
+  
 }

src/dawn/visualnovel/components/VisualNovelCharacter.hpp

@@ -8,6 +8,8 @@
 
 namespace Dawn {
   class VisualNovelCharacter : public SceneItemComponent {
+    protected:
+    
     public:
       std::string nameKey = "character.unknown";