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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
#include <cstdio>
#include <cstdarg>
#include <algorithm>
#include <smcolor.hpp>
#include "extrasmeltutils.hpp"
SMELT* smEntity3DBuffer::sm=NULL;
SMELT* smParticle::sm=NULL;
SMELT* smParticleSystem::sm=NULL;
smVertex makeVertex(float x,float y,float z,DWORD color,float tx,float ty)
{smVertex v;v.x=x;v.y=y;v.z=z;v.col=color;v.tx=tx;v.ty=ty;return v;}
void smEntity3D::addVerices(int n,...)
{
va_list vl;va_start(vl,n);
for(int i=0;i<n;++i)
{
smVertex v=va_arg(vl,smVertex);
vertices.push_back(v);
}
va_end(vl);
}
void smEntity3D::addIndices(int n,...)
{
va_list vl;va_start(vl,n);
for(int i=0;i<n;++i)
{
int idx=va_arg(vl,int);
indices.push_back((WORD)idx);
}
va_end(vl);
}
smEntity3D smEntity3D::cube(smvec3d a,smvec3d b,DWORD color)
{
//a: top left corner b: bottom right corner
smEntity3D ret;
ret.addVerices(8,
makeVertex(a.x,a.y,a.z,color,0,0),makeVertex(b.x,a.y,a.z,color,0,0),
makeVertex(b.x,b.y,a.z,color,0,0),makeVertex(a.x,b.y,a.z,color,0,0),
makeVertex(a.x,a.y,b.z,color,0,0),makeVertex(b.x,a.y,b.z,color,0,0),
makeVertex(b.x,b.y,b.z,color,0,0),makeVertex(a.x,b.y,b.z,color,0,0));
ret.addIndices(36,
0,1,3,1,2,3, 4,5,7,5,6,7,
0,3,7,0,4,7, 1,2,6,1,5,6,
2,3,7,2,6,7, 0,1,4,1,4,5);
return ret;
}
smEntity3DBuffer::smEntity3DBuffer()
{
sm=smGetInterface(SMELT_APILEVEL);
vertices.clear();indices.clear();
}
void smEntity3DBuffer::addTransformedEntity(smEntity3D *entity,smMatrix t,smvec3d p)
{
if(entity->vertices.size()+vertices.size()>4000)drawBatch();
for(unsigned i=0;i<entity->indices.size();++i)
indices.push_back(entity->indices[i]+vertices.size());
for(unsigned i=0;i<entity->vertices.size();++i)
{
smvec3d tp=smvec3d(entity->vertices[i].x,entity->vertices[i].y,entity->vertices[i].z);
tp=t*tp;tp=tp+p;vertices.push_back(makeVertex(tp.x,tp.y,tp.z,entity->vertices[i].col,entity->vertices[i].tx,entity->vertices[i].ty));
}
}
void smEntity3DBuffer::drawBatch()
{
sm->smDrawCustomIndexedVertices(&vertices[0],&indices[0],vertices.size(),indices.size(),BLEND_ALPHABLEND,0);
vertices.clear();indices.clear();
}
smParticle::smParticle()
{sm=smGetInterface(SMELT_APILEVEL);dead=false;clifespan=0;}
smParticle::~smParticle(){sm->smRelease();}
void smParticle::render()
{sm->smRenderQuad(&q);}
void smParticle::update()
{
clifespan+=sm->smGetDelta();if(clifespan>lifespan){dead=true;return;}
vel=vel+accel;pos=pos+vel;rotv=rotv+rota;rot=rot+rotv;
size=clifespan/lifespan*(finalsize-initsize)+initsize;
smColorRGBA fc(finalcolor),ic(initcolor),cc;
cc.a=clifespan/lifespan*(fc.a-ic.a)+ic.a;
cc.r=clifespan/lifespan*(fc.r-ic.r)+ic.r;
cc.g=clifespan/lifespan*(fc.g-ic.g)+ic.g;
cc.b=clifespan/lifespan*(fc.b-ic.b)+ic.b;
color=cc.getHWColor();
for(int i=0;i<4;++i)q.v[i].col=color;
smMatrix m;m.loadIdentity();
if(lookat)m.lookat(pos,lookatpos,smvec3d(0,0,1));else
{m.rotate(rot.x,1,0,0);m.rotate(rot.y,0,1,0);m.rotate(rot.z,0,0,1);}
smvec3d v0=m*smvec3d(-size,-size,0),v1=m*smvec3d(size,-size,0);
smvec3d v2=m*smvec3d(size,size,0),v3=m*smvec3d(-size,size,0);
q.v[0].x=v0.x+pos.x;q.v[0].y=v0.y+pos.y;q.v[0].z=v0.z+pos.z;
q.v[1].x=v1.x+pos.x;q.v[1].y=v1.y+pos.y;q.v[1].z=v1.z+pos.z;
q.v[2].x=v2.x+pos.x;q.v[2].y=v2.y+pos.y;q.v[2].z=v2.z+pos.z;
q.v[3].x=v3.x+pos.x;q.v[3].y=v3.y+pos.y;q.v[3].z=v3.z+pos.z;
}
smParticleSystem::smParticleSystem()
{sm=smGetInterface(SMELT_APILEVEL);particles.clear();posGenerator=NULL;}
smParticleSystem::~smParticleSystem()
{for(unsigned i=0;i<particles.size();++i)delete particles[i];particles.clear();}
void smParticleSystem::setParticleSystemInfo(smParticleSystemInfo _psinfo)
{psinfo=_psinfo;}
void smParticleSystem::setPos(smvec3d _pos){pos=_pos;}
void smParticleSystem::setPSEmissionPosGen(smPSEmissionPositionGenerator *_gen)
{posGenerator=_gen;}
void smParticleSystem::setPSLookAt(smvec3d at){lookat=true;lookatpos=at;}
void smParticleSystem::unsetPSLookAt(){lookat=false;}
void smParticleSystem::startPS()
{active=true;nemdelay=0;re.setSeed(time(NULL));}
void smParticleSystem::stopPS()
{active=false;}
void smParticleSystem::updatePS()
{
cemdelay+=sm->smGetDelta();
if(cemdelay>nemdelay&&(int)particles.size()<psinfo.maxcount)
{
int ec=re.nextInt(psinfo.emissioncount-psinfo.ecvar,psinfo.emissioncount+psinfo.ecvar);
for(int i=0;i<ec;++i)
{
smParticle *p=new smParticle();
p->pos=pos+(posGenerator?posGenerator->genPos():smvec3d(0,0,0));
p->vel=smvec3d(
re.nextDouble(psinfo.vel.x-psinfo.velvar.x,psinfo.vel.x+psinfo.velvar.x),
re.nextDouble(psinfo.vel.y-psinfo.velvar.y,psinfo.vel.y+psinfo.velvar.y),
re.nextDouble(psinfo.vel.z-psinfo.velvar.z,psinfo.vel.z+psinfo.velvar.z));
p->accel=smvec3d(
re.nextDouble(psinfo.acc.x-psinfo.accvar.x,psinfo.acc.x+psinfo.accvar.x),
re.nextDouble(psinfo.acc.y-psinfo.accvar.y,psinfo.acc.y+psinfo.accvar.y),
re.nextDouble(psinfo.acc.z-psinfo.accvar.z,psinfo.acc.z+psinfo.accvar.z));
p->rotv=smvec3d(
re.nextDouble(psinfo.rotv.x-psinfo.rotvvar.x,psinfo.rotv.x+psinfo.rotvvar.x),
re.nextDouble(psinfo.rotv.y-psinfo.rotvvar.y,psinfo.rotv.y+psinfo.rotvvar.y),
re.nextDouble(psinfo.rotv.z-psinfo.rotvvar.z,psinfo.rotv.z+psinfo.rotvvar.z));
p->rota=smvec3d(
re.nextDouble(psinfo.rota.x-psinfo.rotavar.x,psinfo.rota.x+psinfo.rotavar.x),
re.nextDouble(psinfo.rota.y-psinfo.rotavar.y,psinfo.rota.y+psinfo.rotavar.y),
re.nextDouble(psinfo.rota.z-psinfo.rotavar.z,psinfo.rota.z+psinfo.rotavar.z));
p->rot=smvec3d(0,0,0);if(lookat)p->lookat=true,p->lookatpos=lookatpos;else p->lookat=false;
p->lifespan=re.nextDouble(psinfo.lifespan-psinfo.lifespanvar,psinfo.lifespan+psinfo.lifespanvar);
p->initsize=re.nextDouble(psinfo.initsize-psinfo.initsizevar,psinfo.initsize+psinfo.initsizevar);
p->finalsize=re.nextDouble(psinfo.finalsize-psinfo.finalsizevar,psinfo.finalsize+psinfo.finalsizevar);
p->size=p->initsize;
p->initcolor=ARGB(
re.nextInt(GETA(psinfo.initcolor)-GETA(psinfo.initcolorvar),GETA(psinfo.initcolor)+GETA(psinfo.initcolorvar)),
re.nextInt(GETR(psinfo.initcolor)-GETR(psinfo.initcolorvar),GETR(psinfo.initcolor)+GETR(psinfo.initcolorvar)),
re.nextInt(GETG(psinfo.initcolor)-GETG(psinfo.initcolorvar),GETG(psinfo.initcolor)+GETG(psinfo.initcolorvar)),
re.nextInt(GETB(psinfo.initcolor)-GETB(psinfo.initcolorvar),GETB(psinfo.initcolor)+GETB(psinfo.initcolorvar)));
p->finalcolor=ARGB(
re.nextInt(GETA(psinfo.finalcolor)-GETA(psinfo.finalcolorvar),GETA(psinfo.finalcolor)+GETA(psinfo.finalcolorvar)),
re.nextInt(GETR(psinfo.finalcolor)-GETR(psinfo.finalcolorvar),GETR(psinfo.finalcolor)+GETR(psinfo.finalcolorvar)),
re.nextInt(GETG(psinfo.finalcolor)-GETG(psinfo.finalcolorvar),GETG(psinfo.finalcolor)+GETG(psinfo.finalcolorvar)),
re.nextInt(GETB(psinfo.finalcolor)-GETB(psinfo.finalcolorvar),GETB(psinfo.finalcolor)+GETB(psinfo.finalcolorvar)));
p->color=p->initcolor;p->q.tex=psinfo.texture;p->q.blend=psinfo.blend;
p->q.v[0].tx=p->q.v[3].tx=0;p->q.v[0].ty=p->q.v[1].ty=0;
p->q.v[1].tx=p->q.v[2].tx=1;p->q.v[2].ty=p->q.v[3].ty=1;
particles.push_back(p);
}
cemdelay=0;
nemdelay=re.nextDouble(psinfo.emissiondelay-psinfo.edvar,psinfo.emissiondelay+psinfo.edvar);
}
for(unsigned i=0,j;i<particles.size()&&!particles[i]->dead;++i)
{
particles[i]->update();
if(particles[i]->dead)
{
for(j=particles.size()-1;j>i&&particles[j]->dead;--j);
std::swap(particles[i],particles[j]);
}
}
while(!particles.empty()&&particles.back()->dead)
{delete particles.back();particles.back()=NULL;particles.pop_back();}
}
void smParticleSystem::renderPS()
{for(unsigned i=0;i<particles.size();++i)particles[i]->render();}
|
