Starting new VN Structure

archive/visualnovel/components/SimpleVisualNovelBackground.cpp

@@ -0,0 +1,56 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "SimpleVisualNovelBackground.hpp"
+
+using namespace Dawn;
+
+SimpleVisualNovelBackground * SimpleVisualNovelBackground::create(Scene *s) {
+  auto item = s->createSceneItem();
+  // item->addComponent<MeshRenderer>();
+  item->addComponent<MeshHost>();
+  item->addComponent<SimpleTexturedMaterial>();
+  auto background = item->addComponent<SimpleVisualNovelBackground>();
+  return background;
+}
+
+SimpleVisualNovelBackground::SimpleVisualNovelBackground(SceneItem *item) :
+  SceneItemComponent(item)
+{
+
+}
+
+std::vector<SceneItemComponent*> SimpleVisualNovelBackground::getDependencies(){
+  return std::vector<SceneItemComponent*>{
+    this->material = this->item->getComponent<SimpleTexturedMaterial>(),
+    this->meshHost = this->item->getComponent<MeshHost>()
+  };
+}
+
+void SimpleVisualNovelBackground::setTexture(Texture *texture) {
+  assertNotNull(texture);
+  this->material->texture = texture;
+  
+  // Since we go both negative and positive, actual height is doubled
+  float_t aspect = (float_t)texture->getWidth() / (float_t)texture->getHeight();
+  float_t height = 0.5f;
+
+  QuadMesh::bufferQuadMeshWithZ(&this->meshHost->mesh,
+    glm::vec2(-aspect * height, -height), glm::vec2(0, 1),
+    glm::vec2( aspect * height,  height), glm::vec2(1, 0),
+    0.0f, 0, 0
+  );
+}
+
+void SimpleVisualNovelBackground::onStart() {
+  assertNotNull(this->material);
+  assertNotNull(this->meshHost);
+
+  QuadMesh::initQuadMesh(&this->meshHost->mesh,
+    glm::vec2(-1, -1), glm::vec2(0, 1),
+    glm::vec2(1, 1), glm::vec2(1, 0),
+    0.0f
+  );
+}