Starting new VN Structure

archive/visualnovel/events/VisualNovelFadeEvent.cpp

@@ -0,0 +1,35 @@
+// Copyright (c) 2022 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include "VisualNovelFadeEvent.hpp"
+
+using namespace Dawn;
+
+VisualNovelFadeEvent::VisualNovelFadeEvent(
+  VisualNovelManager *man,
+  struct Color color,
+  bool_t fadeIn,
+  easefunction_t *ease,
+  float_t duration
+) : VisualNovelSimpleAnimationEvent(man, &duration) {
+  this->color = color;
+  this->fadeIn = fadeIn;
+  this->duration = duration;
+  this->simpleAnimation.easing = ease;
+}
+ 
+void VisualNovelFadeEvent::onStart(IVisualNovelEvent *previous) {
+  VisualNovelSimpleAnimationEvent::onStart(previous);
+
+  this->simpleAnimation = SimpleAnimation<float_t>(&this->manager->fader->color.a);
+  this->manager->fader->color = this->color;
+  this->manager->fader->color.a = this->fadeIn ? 0.0f : 1.0f;
+  this->simpleAnimation.addKeyframe(
+    0.0f, this->fadeIn ? 0.0f : 1.0f
+  );
+  this->simpleAnimation.addKeyframe(
+    this->duration, this->fadeIn ? 1.0f : 0.0f
+  );
+}