aboutsummaryrefslogtreecommitdiff
path: root/hgehelp/hgepmanager.cpp
blob: 69e518ab7b050d1b5c1cee90b73064e97ccbb43a (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
// PLEASE NOTE that this is not the 1.81 version of hgeparticle.cpp ...
//  the game I'm working on used an older HGE that breaks with the 1.81
//  particle system. If you want 1.81, just overwrite this file.  --ryan.

/*
** Haaf's Game Engine 1.7
** Copyright (C) 2003-2007, Relish Games
** hge.relishgames.com
**
** hgeParticleManager helper class implementation
*/


#include "../../include/hgeparticle.h"


hgeParticleManager::hgeParticleManager(const 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::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()
{
	int i;
	for(i=0;i<nPS;i++) psList[i]->Render();
}

hgeParticleSystem* hgeParticleManager::SpawnPS(hgeParticleSystemInfo *psi, float x, float y)
{
	if(nPS==MAX_PSYSTEMS) return 0;
	psList[nPS]=new hgeParticleSystem(psi,fFPS);
	psList[nPS]->FireAt(x,y);
	psList[nPS]->Transpose(tX,tY);
	nPS++;
	return psList[nPS-1];
}

bool hgeParticleManager::IsPSAlive(hgeParticleSystem *ps) const
{
	int i;
	for(i=0;i<nPS;i++) if(psList[i]==ps) return true;
	return false;
}

void hgeParticleManager::Transpose(float x, float y)
{
	int i;
	for(i=0;i<nPS;i++) psList[i]->Transpose(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;
}