sprite.h

来自「RGA: Biowaste Game Example This C++ app」· C头文件 代码 · 共 94 行

/*
* ==============================================================================
*  Name        : Sprite.h
*  Part of     : RGA Game Example
*  Interface   :
*  Description : basic drawable sprite
*  Version     : 1.0
*
*  Copyright (c) 2007-2008 Nokia Corporation.
*  This material, including documentation and any related
*  computer programs, is protected by copyright controlled by
*  Nokia Corporation.
* ==============================================================================
*/

#ifndef __SPRITE_H__
#define __SPRITE_H__



#include "SpriteBase.h"

struct TSpriteFrame
	{
	IBitmap*		iBitmap;
	IBitmap*		iMask;
	};

class CSprite : public CSpriteBase
	{
	public:
		CSprite(CApplicationBase& aApp);
		virtual ~CSprite();
		
		/**
		 * AddFrame
		 * add new animation frame into the sprite
		 * @param aFrame new animation frame
		 * @return index of the new frame
		 */
		TInt AddFrame(const TSpriteFrame& aFrame);
		
		/**
		 * Frame
		 * access to sprite animation frames
		 * @param aIndex index from AddFrame
		 * @return animation frame
		 */
		TSpriteFrame& Frame(TInt aIndex);
		
		/**
		 * SetAnimationSequence
		 * @param aFrameIndices an array of animation indices returned by AddFrame
		 * @param aFrameCount number of frames in frame array
		 */
		void SetAnimationSequence(const TUint32* aFrameIndices, const TUint32 aFrameCount);
		
		/**
		 * SetAnimationSpeed
		 * @param aFPS animation frames per second
		 */
		void SetAnimationSpeed(const TReal64 aFPS);
		
		/**
		 * Update
		 * update the sprite position by adding its
		 * direction into the position. The animation
		 * is updated.
		 * @param aFrametime frame time multiplier
		 */
		virtual void Update(const TReal64 aFrametime);
		
		/**
		 * Draw
		 * draw sprite to its current location
		 * @param aContext context to draw sprite into
		 * @param aCamera camera coordinate to subtract from sprite coordinates
		 */
		virtual void Draw(IGraphicsContext& aContext, const TVector2& aCamera);
		
	private:
		RArray<TSpriteFrame>		iFrames;
		
		TUint32*					iAnimationIndices;
		TUint32						iAnimationIndicesCount;
		
		TReal64						iAnimationSpeed;
		TReal64						iAnimationIndex;

	};

#endif /* __SPRITE_H__ */