X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2FAnimation.cpp;h=602d7ef5d7613ada5118239b3ebf870e381633fc;hb=a3ba4dc677ad7c92eeb78b20b642241563605c9d;hp=d4a17d950e127ed0f0316c37b0bd2ce8dba5bd58;hpb=cc3d698b8c1ad09d7a3f9e3f28bc84e0ac1735ea;p=l2e.git

diff --git a/src/graphics/Animation.cpp b/src/graphics/Animation.cpp
index d4a17d9..602d7ef 100644
--- a/src/graphics/Animation.cpp
+++ b/src/graphics/Animation.cpp
@@ -1,9 +1,13 @@
 #include "Animation.h"
 
 #include "Sprite.h"
+#include "../app/Application.h"
+#include "../app/State.h"
 #include "../loader/Interpreter.h"
 #include "../loader/TypeDescription.h"
 
+#include <cassert>
+
 using loader::FieldDescription;
 using loader::Interpreter;
 using loader::TypeDescription;
@@ -22,4 +26,69 @@ void Animation::AddFields(TypeDescription &td, const Animation &a, std::ptrdiff_
 	td.AddField("repeat", FieldDescription(((char *)&a.repeat) - ((char *)&a) - offset, Interpreter::BOOLEAN_ID).SetDescription("whether the animation should start over at the beginning after reaching the last frame"));
 }
 
+
+void AnimationRunner::Start(app::State &ctrl) {
+	assert(animation);
+	timer = ctrl.GraphicsTimers().StartInterval(animation->FrameTime());
+}
+
+void AnimationRunner::Start(app::Application &ctrl) {
+	assert(animation);
+	timer = ctrl.GlobalTimers().StartInterval(animation->FrameTime());
+}
+
+void AnimationRunner::Stop() {
+	timer = app::Timer<Uint32>();
+}
+
+bool AnimationRunner::Started() const {
+	return timer.Started();
+}
+
+bool AnimationRunner::Running() const {
+	return animation
+			&& timer.Running()
+			&& (animation->Repeat()
+					|| timer.Iteration() < animation->NumFrames());
+}
+
+bool AnimationRunner::Finished() const {
+	return Started() && !Running();
+}
+
+bool AnimationRunner::JustFinished() const {
+	return animation
+			&& timer.JustHit()
+			&& timer.Iteration() == animation->NumFrames();
+}
+
+
+void AnimationRunner::Draw(SDL_Surface *dest, math::Vector<int> position) const {
+	GetSprite()->Draw(dest,
+			position + animation->Offset(Frame()),
+			animation->Col(Frame()) + ColOffset(),
+			animation->Row(Frame()) + RowOffset());
+}
+
+void AnimationRunner::DrawTopRight(SDL_Surface *dest, math::Vector<int> position) const {
+	math::Vector<int> offset(-GetSprite()->Width(), 0);
+	Draw(dest, position + offset);
+}
+
+void AnimationRunner::DrawCenter(SDL_Surface *dest, math::Vector<int> position) const {
+	Draw(dest, position - (GetSprite()->Size() / 2));
+}
+
+void AnimationRunner::DrawCenterBottom(SDL_Surface *dest, math::Vector<int> position) const {
+	math::Vector<int> offset(-GetSprite()->Width() / 2, -GetSprite()->Height());
+	Draw(dest, position + offset);
+}
+
+int AnimationRunner::Frame() const {
+	return Running()
+			? ((timer.Iteration() + frameShift) % animation->NumFrames())
+			: 0;
+}
+
+
 }