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#pragma once
/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
enum ANIMATION_PROCESS { ANIM_PROCESS_NONE = 0, ANIM_PROCESS_NORMAL, ANIM_PROCESS_REVERSE };
enum ANIMATION_STATE { ANIM_STATE_NONE = 0, ANIM_STATE_DELAYED, ANIM_STATE_IN_PROCESS, ANIM_STATE_APPLIED };
// forward definitions
class TiXmlElement;
class Tweener;
class CGUIListItem;
#include "TransformMatrix.h" // needed for the TransformMatrix member
#include "Geometry.h" // for CPoint, CRect
#include "StdString.h"
enum ANIMATION_TYPE
{
ANIM_TYPE_UNFOCUS = -3,
ANIM_TYPE_HIDDEN,
ANIM_TYPE_WINDOW_CLOSE,
ANIM_TYPE_NONE,
ANIM_TYPE_WINDOW_OPEN,
ANIM_TYPE_VISIBLE,
ANIM_TYPE_FOCUS,
ANIM_TYPE_CONDITIONAL // for animations triggered by a condition change
};
class CAnimEffect
{
public:
enum EFFECT_TYPE { EFFECT_TYPE_NONE = 0, EFFECT_TYPE_FADE, EFFECT_TYPE_SLIDE, EFFECT_TYPE_ROTATE_X, EFFECT_TYPE_ROTATE_Y, EFFECT_TYPE_ROTATE_Z, EFFECT_TYPE_ZOOM };
CAnimEffect(const TiXmlElement *node, EFFECT_TYPE effect);
CAnimEffect(unsigned int delay, unsigned int length, EFFECT_TYPE effect);
CAnimEffect(const CAnimEffect &src);
virtual ~CAnimEffect();
const CAnimEffect &operator=(const CAnimEffect &src);
void Calculate(unsigned int time, const CPoint ¢er);
void ApplyState(ANIMATION_STATE state, const CPoint ¢er);
unsigned int GetDelay() const { return m_delay; };
unsigned int GetLength() const { return m_delay + m_length; };
const TransformMatrix &GetTransform() const { return m_matrix; };
EFFECT_TYPE GetType() const { return m_effect; };
protected:
TransformMatrix m_matrix;
EFFECT_TYPE m_effect;
private:
virtual void ApplyEffect(float offset, const CPoint ¢er)=0;
// timing variables
unsigned int m_length;
unsigned int m_delay;
Tweener *m_pTweener;
};
class CFadeEffect : public CAnimEffect
{
public:
CFadeEffect(const TiXmlElement *node, bool reverseDefaults);
CFadeEffect(float start, float end, unsigned int delay, unsigned int length);
virtual ~CFadeEffect() {};
private:
virtual void ApplyEffect(float offset, const CPoint ¢er);
float m_startAlpha;
float m_endAlpha;
};
class CSlideEffect : public CAnimEffect
{
public:
CSlideEffect(const TiXmlElement *node);
virtual ~CSlideEffect() {};
private:
virtual void ApplyEffect(float offset, const CPoint ¢er);
float m_startX;
float m_startY;
float m_endX;
float m_endY;
};
class CRotateEffect : public CAnimEffect
{
public:
CRotateEffect(const TiXmlElement *node, EFFECT_TYPE effect);
virtual ~CRotateEffect() {};
private:
virtual void ApplyEffect(float offset, const CPoint ¢er);
float m_startAngle;
float m_endAngle;
bool m_autoCenter;
CPoint m_center;
};
class CZoomEffect : public CAnimEffect
{
public:
CZoomEffect(const TiXmlElement *node, const CRect &rect);
virtual ~CZoomEffect() {};
private:
virtual void ApplyEffect(float offset, const CPoint ¢er);
float m_startX;
float m_startY;
float m_endX;
float m_endY;
bool m_autoCenter;
CPoint m_center;
};
class CAnimation
{
public:
CAnimation();
CAnimation(const CAnimation &src);
virtual ~CAnimation();
const CAnimation &operator=(const CAnimation &src);
static CAnimation *CreateFader(float start, float end, unsigned int delay, unsigned int length);
void Create(const TiXmlElement *node, const CRect &rect);
void Animate(unsigned int time, bool startAnim);
void ResetAnimation();
void ApplyAnimation();
inline void RenderAnimation(TransformMatrix &matrix)
{
RenderAnimation(matrix, CPoint());
}
void RenderAnimation(TransformMatrix &matrix, const CPoint ¢er);
void QueueAnimation(ANIMATION_PROCESS process);
inline bool IsReversible() const { return m_reversible; };
inline int GetCondition() const { return m_condition; };
inline ANIMATION_TYPE GetType() const { return m_type; };
inline ANIMATION_STATE GetState() const { return m_currentState; };
inline ANIMATION_PROCESS GetProcess() const { return m_currentProcess; };
inline ANIMATION_PROCESS GetQueuedProcess() const { return m_queuedProcess; };
void UpdateCondition(int contextWindow, const CGUIListItem *item = NULL);
void SetInitialCondition(int contextWindow);
private:
void Calculate(const CPoint &point);
void AddEffect(const CStdString &type, const TiXmlElement *node, const CRect &rect);
void AddEffect(CAnimEffect *effect);
enum ANIM_REPEAT { ANIM_REPEAT_NONE = 0, ANIM_REPEAT_PULSE, ANIM_REPEAT_LOOP };
// type of animation
ANIMATION_TYPE m_type;
bool m_reversible;
int m_condition;
// conditional anims can repeat
ANIM_REPEAT m_repeatAnim;
bool m_lastCondition;
// state of animation
ANIMATION_PROCESS m_queuedProcess;
ANIMATION_PROCESS m_currentProcess;
ANIMATION_STATE m_currentState;
// timing of animation
unsigned int m_start;
unsigned int m_length;
unsigned int m_delay;
unsigned int m_amount;
std::vector<CAnimEffect *> m_effects;
};
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