diff options
Diffstat (limited to 'src/particle.h')
| -rw-r--r-- | src/particle.h | 84 |
1 files changed, 33 insertions, 51 deletions
diff --git a/src/particle.h b/src/particle.h index 69f8c2be..0e39883b 100644 --- a/src/particle.h +++ b/src/particle.h @@ -22,8 +22,8 @@ #ifndef PARTICLE_H #define PARTICLE_H +#include "actor.h" #include "guichanfwd.h" -#include "sprite.h" #include "vector.h" #include <list> @@ -41,9 +41,19 @@ typedef Emitters::iterator EmitterIterator; /** * A particle spawned by a ParticleEmitter. */ -class Particle : public Sprite +class Particle : public Actor { public: + enum AliveStatus + { + ALIVE = 0, + DEAD_TIMEOUT = 1, + DEAD_FLOOR = 2, + DEAD_SKY = 4, + DEAD_IMPACT = 8, + DEAD_OTHER = 16, + DEAD_LONG_AGO = 128 + }; static const float PARTICLE_SKY; /**< Maximum Z position of particles */ static int fastPhysics; /**< Mode of squareroot calculation */ static int particleCount; /**< Current number of particles */ @@ -83,7 +93,7 @@ class Particle : public Sprite /** * Draws the particle image. */ - virtual void draw(Graphics *graphics, int offsetX, int offsetY) const; + virtual bool draw(Graphics *graphics, int offsetX, int offsetY) const; /** * Necessary for sorting with the other sprites. @@ -92,12 +102,6 @@ class Particle : public Sprite { return (int) (mPos.y + mPos.z) - 64; } /** - * Sets the map the particle is on. - */ - void setMap(Map *map); - - - /** * Creates a blank particle as a child of the current particle * Useful for creating target particles */ @@ -142,12 +146,6 @@ class Particle : public Sprite void moveTo(float x, float y); /** - * Returns the particle position. - */ - const Vector& getPosition() const - { return mPos; } - - /** * Changes the particle position relative */ void moveBy (const Vector &change); @@ -173,32 +171,6 @@ class Particle : public Sprite { mFadeIn = fadeIn; } /** - * Sets the alpha value of the particle - */ - void setAlpha(float alpha) - { mAlpha = alpha; } - - /** - * Returns the current alpha opacity of the particle. - */ - virtual float getAlpha() const - { return mAlpha; } - - /** - * Sets the sprite iterator of the particle on the current map to make - * it easier to remove the particle from the map when it is destroyed. - */ - void setSpriteIterator(std::list<Sprite*>::iterator spriteIterator) - { mSpriteIterator = spriteIterator; } - - /** - * Gets the sprite iterator of the particle on the current map. - */ - std::list<Sprite*>::iterator - getSpriteIterator() const - { return mSpriteIterator; } - - /** * Sets the current velocity in 3 dimensional space. */ void setVelocity(float x, float y, float z) @@ -259,20 +231,20 @@ class Particle : public Sprite void setAllowSizeAdjust(bool adjust) { mAllowSizeAdjust = adjust; } - bool isAlive() - { return mAlive; } + bool isAlive() const + { return mAlive == ALIVE; } /** * Determines whether the particle and its children are all dead */ - bool isExtinct() + bool isExtinct() const { return !isAlive() && mChildParticles.empty(); } /** * Manually marks the particle for deletion. */ void kill() - { mAlive = false; mAutoDelete = true; } + { mAlive = DEAD_OTHER; mAutoDelete = true; } /** * After calling this function the particle will only request @@ -285,28 +257,38 @@ class Particle : public Sprite virtual int getNumberOfLayers() const { return 1; } + virtual float getAlpha() const + { return 1.0f; } + + virtual void setAlpha(float alpha) {} + + virtual void setDeathEffect(const std::string &effectFile, char conditions) + { mDeathEffect = effectFile; mDeathEffectConditions = conditions; } + protected: + /** Opacity of the graphical representation of the particle */ + float mAlpha; + /** Calculates the current alpha transparency taking current fade status into account*/ float getCurrentAlpha() const; - bool mAlive; /**< Is the particle supposed to be drawn and updated?*/ - Vector mPos; /**< Position in pixels relative to map. */ int mLifetimeLeft; /**< Lifetime left in game ticks*/ int mLifetimePast; /**< Age of the particle in game ticks*/ int mFadeOut; /**< Lifetime in game ticks left where fading out begins*/ int mFadeIn; /**< Age in game ticks where fading in is finished*/ - float mAlpha; /**< Opacity of the graphical representation of the particle */ + Vector mVelocity; /**< Speed in pixels per game-tick. */ + private: + AliveStatus mAlive; /**< Is the particle supposed to be drawn and updated?*/ // generic properties bool mAutoDelete; /**< May the particle request its deletion by the parent particle? */ - Map *mMap; /**< Map the particle is on. */ - std::list<Sprite*>::iterator mSpriteIterator; /**< iterator of the particle on the current map */ Emitters mChildEmitters; /**< List of child emitters. */ Particles mChildParticles; /**< List of particles controlled by this particle */ bool mAllowSizeAdjust; /**< Can the effect size be adjusted by the object props in the map file? */ + std::string mDeathEffect; /**< Particle effect file to be spawned when the particle dies */ + char mDeathEffectConditions;/**< Bitfield of death conditions which trigger spawning of the death particle */ // dynamic particle - Vector mVelocity; /**< Speed in pixels per game-tick. */ float mGravity; /**< Downward acceleration in pixels per game-tick. */ int mRandomness; /**< Ammount of random vector change */ float mBounce; /**< How much the particle bounces off when hitting the ground */ |