Rearranging files

common/sprite_sheet.cpp

@@ -0,0 +1,41 @@
+/* Copyright: (c) Kayne Ruse 2013
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "sprite_sheet.hpp"
+
+void SpriteSheet::Update(double delta) {
+	if (delay && (ticks += delta) >= delay) {
+		if (++currentFrame >= maxFrames) {
+			currentFrame = 0;
+		}
+		ticks = 0;
+	}
+	image.SetClipX(currentFrame * image.GetClipW());
+	image.SetClipY(currentStrip * image.GetClipH());
+}
+
+SDL_Surface* SpriteSheet::SetSurface(SDL_Surface* const s, Uint16 w, Uint16 h) {
+	image.SetSurface(s);
+	image.SetClip({0, 0, w, h});
+	currentFrame = 0; maxFrames = image.GetSurface()->w / image.GetClipW();
+	currentStrip = 0; maxStrips = image.GetSurface()->h / image.GetClipH();
+	delay = ticks = 0;
+}