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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 of the License, or
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMW_ANIMATION_H
#define _TMW_ANIMATION_H
#include <list>
#include <map>
#include <string>
#include <libxml/tree.h>
#include "graphics.h"
class Image;
class Spriteset;
/**
* A single frame in an animation, with a delay and an offset.
*/
struct AnimationPhase
{
int image;
unsigned int delay;
int offsetX;
int offsetY;
};
/**
* An animation consists of several frames, each with their own delay and
* offset.
*/
class Animation
{
public:
/**
* Constructor.
*/
Animation();
void addPhase(int image, unsigned int delay, int offsetX, int offsetY);
void update(unsigned int time);
int getCurrentPhase() const;
int getOffsetX() const { return (*iCurrentPhase).offsetX; };
int getOffsetY() const { return (*iCurrentPhase).offsetY; };
int getLength();
protected:
std::list<AnimationPhase> mAnimationPhases;
std::list<AnimationPhase>::iterator iCurrentPhase;
unsigned int mTime;
};
/**
* An action consists of several animations, one for each direction.
*/
class Action
{
public:
/**
* Constructor.
*/
Action();
/**
* Destructor.
*/
~Action();
/**
* Sets the spriteset used by this action.
*/
void
setSpriteset(Spriteset *spriteset) { mSpriteset = spriteset; }
/**
* Returns the spriteset used by this action.
*/
Spriteset*
getSpriteset() const { return mSpriteset; }
void
setAnimation(const std::string& direction, Animation *animation);
Animation*
getAnimation(const std::string& direction) const;
protected:
Spriteset *mSpriteset;
typedef std::map<std::string, Animation*> Animations;
typedef Animations::iterator AnimationIterator;
Animations mAnimations;
};
/**
* Defines a class to load an animation.
*/
class AnimatedSprite
{
public:
/**
* Constructor.
*/
AnimatedSprite(const std::string& animationFile, int variant);
/**
* Destructor.
*/
~AnimatedSprite();
/**
* Sets a new action using the current direction.
*/
void
play(const std::string& action);
/**
* Plays an action in a specified time.
*/
void
play(const std::string& action, int time);
/**
* Inform the animation of the passed time so that it can output the
* correct animation phase.
*/
void update(int time);
/**
* Draw the current animation phase at the coordinates given in screen
* pixels.
*/
bool
draw(Graphics* graphics, Sint32 posX, Sint32 posY) const;
/**
* gets the width in pixels of the current animation phase.
*/
int
getWidth() const;
/**
* gets the height in pixels of the current animation phase.
*/
int
getHeight() const;
/**
* Sets the direction.
*/
void
setDirection(const std::string& direction)
{
mDirection = direction;
}
protected:
/**
* When there are no animations defined for the action "complete", its
* animations become a copy of those of the action "with".
*/
void
substituteAction(const std::string& complete,
const std::string& with);
typedef std::map<std::string, Spriteset*> Spritesets;
typedef Spritesets::iterator SpritesetIterator;
Spritesets mSpritesets;
typedef std::map<std::string, Action*> Actions;
Actions mActions;
Action *mAction;
std::string mDirection;
int mLastTime;
float mSpeed;
private:
/**
* Gets an integer property from an xmlNodePtr.
*
* TODO: Same function is present in MapReader. Should probably be
* TODO: shared in a static utility class.
*/
static int
getProperty(xmlNodePtr node, const char* name, int def);
/**
* Gets a string property from an xmlNodePtr.
*/
static std::string
getProperty(xmlNodePtr node, const char* name, const std::string& def);
};
#endif
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