ddnet/src/game/client/components/particles.h
2010-11-20 21:26:06 +01:00

97 lines
1.7 KiB
C++

/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
#ifndef GAME_CLIENT_COMPONENTS_PARTICLES_H
#define GAME_CLIENT_COMPONENTS_PARTICLES_H
#include <base/vmath.h>
#include <game/client/component.h>
// particles
struct CParticle
{
void SetDefault()
{
m_Vel = vec2(0,0);
m_LifeSpan = 0;
m_StartSize = 32;
m_EndSize = 32;
m_Rot = 0;
m_Rotspeed = 0;
m_Gravity = 0;
m_Friction = 0;
m_FlowAffected = 1.0f;
m_Color = vec4(1,1,1,1);
}
vec2 m_Pos;
vec2 m_Vel;
int m_Spr;
float m_FlowAffected;
float m_LifeSpan;
float m_StartSize;
float m_EndSize;
float m_Rot;
float m_Rotspeed;
float m_Gravity;
float m_Friction;
vec4 m_Color;
// set by the particle system
float m_Life;
int m_PrevPart;
int m_NextPart;
};
class CParticles : public CComponent
{
friend class CGameClient;
public:
enum
{
GROUP_PROJECTILE_TRAIL=0,
GROUP_EXPLOSIONS,
GROUP_GENERAL,
NUM_GROUPS
};
CParticles();
void Add(int Group, CParticle *pPart);
virtual void OnReset();
virtual void OnRender();
private:
enum
{
MAX_PARTICLES=1024*8,
};
CParticle m_aParticles[MAX_PARTICLES];
int m_FirstFree;
int m_aFirstPart[NUM_GROUPS];
void RenderGroup(int Group);
void Update(float TimePassed);
template<int TGROUP>
class CRenderGroup : public CComponent
{
public:
CParticles *m_pParts;
virtual void OnRender() { m_pParts->RenderGroup(TGROUP); }
};
CRenderGroup<GROUP_PROJECTILE_TRAIL> m_RenderTrail;
CRenderGroup<GROUP_EXPLOSIONS> m_RenderExplosions;
CRenderGroup<GROUP_GENERAL> m_RenderGeneral;
};
#endif