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
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "Game/Camera.h"
#include "GenericParticleProjectile.h"
#include "Rendering/GL/RenderDataBuffer.hpp"
#include "Rendering/Textures/ColorMap.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "System/creg/DefTypes.h"
CR_BIND_DERIVED(CGenericParticleProjectile, CProjectile, )
CR_REG_METADATA(CGenericParticleProjectile,(
CR_MEMBER(gravity),
CR_MEMBER(texture),
CR_MEMBER(colorMap),
CR_MEMBER(directional),
CR_MEMBER(life),
CR_MEMBER(decayrate),
CR_MEMBER(size),
CR_MEMBER(airdrag),
CR_MEMBER(sizeGrowth),
CR_MEMBER(sizeMod)
))
CGenericParticleProjectile::CGenericParticleProjectile(const CUnit* owner, const float3& pos, const float3& speed)
: CProjectile(pos, speed, owner, false, false, false)
, gravity(ZeroVector)
, texture(nullptr)
, colorMap(nullptr)
, directional(false)
, life(0.0f)
, decayrate(0.0f)
, size(0.0f)
, airdrag(0.0f)
, sizeGrowth(0.0f)
, sizeMod(0.0f)
{
// set fields from super-classes
useAirLos = true;
checkCol = false;
deleteMe = false;
}
void CGenericParticleProjectile::Update()
{
SetPosition(pos + speed);
SetVelocityAndSpeed((speed + gravity) * airdrag);
life += decayrate;
size = size * sizeMod + sizeGrowth;
deleteMe |= (life > 1.0f);
}
void CGenericParticleProjectile::Draw(GL::RenderDataBufferTC* va) const
{
float3 xdir = camera->GetRight();
float3 ydir = camera->GetUp();
if (directional) {
const float3 dif = (pos - camera->GetPos()).ANormalize();
xdir = dif.cross(speed).ANormalize();
ydir = dif.cross(xdir);
}
unsigned char color[4];
colorMap->GetColor(color, life);
va->SafeAppend({drawPos + (-xdir - ydir) * size, texture->xstart, texture->ystart, color});
va->SafeAppend({drawPos + (-xdir + ydir) * size, texture->xend, texture->ystart, color});
va->SafeAppend({drawPos + ( xdir + ydir) * size, texture->xend, texture->yend, color});
va->SafeAppend({drawPos + ( xdir + ydir) * size, texture->xend, texture->yend, color});
va->SafeAppend({drawPos + ( xdir - ydir) * size, texture->xstart, texture->yend, color});
va->SafeAppend({drawPos + (-xdir - ydir) * size, texture->xstart, texture->ystart, color});
}
|
