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/*
** Haaf's Game Engine 1.5
** Copyright (C) 2003-2004, Relish Games
** hge.relishgames.com
**
** hgeParticleManager helper class implementation
** Hacked on by
**
** Kevin Lynx
** James Poag
** W.P. van Paassen
*/
#include "hgeparticle.h"
#include "ParticlePhysicsSystem.h"
using namespace Sexy;
using namespace HGE;
hgeParticleManager::hgeParticleManager(float fps)
{
nPS=0;
fFPS=fps;
tX=tY=0.0f;
}
hgeParticleManager::~hgeParticleManager()
{
int i;
for(i=0;i<nPS;i++) delete psList[i];
}
void hgeParticleManager::SetEmissions(int theRate)
{
int i;
for(i=0;i<nPS;i++) psList[i]->info.nEmission = theRate;
}
hgeParticleSystem* hgeParticleManager::SpawnPS(const char *filename, DDImage *sprite, float x, float y, bool parseMetaData, bool old_format, Physics* physics)
{
if(nPS==MAX_PSYSTEMS)
return 0;
hgeParticleSystem* system;
if (physics == NULL)
system = new hgeParticleSystem(filename, sprite, fFPS, parseMetaData, old_format);
else
system = new ParticlePhysicsSystem(filename, sprite, physics, fFPS, parseMetaData, old_format);
if (!system->bInitOK)
return 0;
psList[nPS]=system;
psList[nPS]->FireAt(x,y);
psList[nPS]->Translate(tX,tY);
nPS++;
return psList[nPS-1];
}
hgeParticleSystem* hgeParticleManager::SpawnPS(hgeParticleSystemInfo *psi, float x, float y, Physics* physics)
{
if(nPS==MAX_PSYSTEMS)
return 0;
hgeParticleSystem* system;
if (physics != NULL) {
system = new ParticlePhysicsSystem(psi, physics, fFPS);
}
else {
system = new hgeParticleSystem(psi, fFPS);
}
if (!system->bInitOK)
return 0;
psList[nPS]=system;
psList[nPS]->FireAt(x,y);
psList[nPS]->Translate(tX,tY);
nPS++;
return psList[nPS-1];
}
hgeParticleSystem* hgeParticleManager::SpawnPS(hgeParticleSystem *system, float x, float y, Physics* physics)
{
if(nPS==MAX_PSYSTEMS || !system->bInitOK)
return 0;
hgeParticleSystem* psystem;
ParticlePhysicsSystem* s = dynamic_cast<ParticlePhysicsSystem*>(system);
if (s != NULL)
psystem = new ParticlePhysicsSystem(*s);
else if (physics != NULL)
psystem = new ParticlePhysicsSystem(*system, physics);
else
psystem = new hgeParticleSystem(*system);
psList[nPS]= psystem;
psList[nPS]->FireAt(x,y);
psList[nPS]->Translate(tX,tY);
nPS++;
return psList[nPS-1];
}
void hgeParticleManager::Update(float dt)
{
int i;
for(i=0;i<nPS;i++)
{
psList[i]->Update(dt);
if(psList[i]->GetAge()==-2.0f && psList[i]->GetParticlesAlive()==0)
{
delete psList[i];
psList[i]=psList[nPS-1];
nPS--;
i--;
}
}
}
void hgeParticleManager::Render( Graphics *g )
{
int i;
for(i=0;i<nPS;i++) psList[i]->Render( g );
}
bool hgeParticleManager::IsPSAlive(hgeParticleSystem *ps) const
{
int i;
for(i=0;i<nPS;i++) if(psList[i]==ps) return true;
return false;
}
void hgeParticleManager::Translate(float x, float y)
{
int i;
for(i=0;i<nPS;i++) psList[i]->Translate(x,y);
tX=x; tY=y;
}
void hgeParticleManager::KillPS(hgeParticleSystem *ps)
{
int i;
for(i=0;i<nPS;i++)
{
if(psList[i]==ps)
{
delete psList[i];
psList[i]=psList[nPS-1];
nPS--;
return;
}
}
}
void hgeParticleManager::KillAll()
{
int i;
for(i=0;i<nPS;i++) delete psList[i];
nPS=0;
}
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