From: Daniel Karbach <daniel.karbach@localhorst.tv>
Date: Tue, 2 Oct 2012 20:25:17 +0000 (+0200)
Subject: frame shiftability in animation runner
X-Git-Url: http://git.localhorst.tv/?a=commitdiff_plain;h=be7ebd20e65d42e96c43a81f73039beded2c05e7;p=l2e.git

frame shiftability in animation runner
---

diff --git a/src/graphics/Animation.h b/src/graphics/Animation.h
index 4442f89..7424918 100644
--- a/src/graphics/Animation.h
+++ b/src/graphics/Animation.h
@@ -60,7 +60,7 @@ class AnimationRunner {
 
 public:
 	explicit AnimationRunner(const Animation *a = 0, int colOffset = 0, int rowOffset = 0)
-	: animation(a), sprite(0), colOffset(colOffset), rowOffset(rowOffset) { }
+	: animation(a), sprite(0), frameShift(0), colOffset(colOffset), rowOffset(rowOffset) { }
 
 public:
 	bool Valid() const { return animation; }
@@ -90,6 +90,8 @@ public:
 
 	const app::Timer<Uint32> &GetTimer() { return timer; }
 
+	void SetFrameShift(int offset) { frameShift = offset; }
+	int FrameShift() const { return frameShift; }
 	void SetColOffset(int offset) { colOffset = offset; }
 	int ColOffset() const { return colOffset; }
 	void SetRowOffset(int offset) { rowOffset = offset; }
@@ -116,12 +118,13 @@ public:
 		Draw(dest, position + offset);
 	}
 
-	int Frame() const { return Running() ? (timer.Iteration() % animation->NumFrames()) : 0; }
+	int Frame() const { return Running() ? ((timer.Iteration() + frameShift) % animation->NumFrames()) : 0; }
 
 private:
 	const Animation *animation;
 	const graphics::Sprite *sprite;
 	app::Timer<Uint32> timer;
+	int frameShift;
 	int colOffset;
 	int rowOffset;