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
|
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "ExplosiveProjectile.h"
#include "Game/Camera.h"
#include "Map/Ground.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Textures/ColorMap.h"
#include "Rendering/Textures/TextureAtlas.h"
#include "Sim/Projectiles/ProjectileHandler.h"
#include "Sim/Weapons/WeaponDef.h"
#ifdef TRACE_SYNC
#include "System/Sync/SyncTracer.h"
#endif
CR_BIND_DERIVED(CExplosiveProjectile, CWeaponProjectile, (ProjectileParams()))
CR_REG_METADATA(CExplosiveProjectile, (
CR_SETFLAG(CF_Synced),
CR_MEMBER(areaOfEffect),
CR_MEMBER(invttl),
CR_MEMBER(curTime)
))
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CExplosiveProjectile::CExplosiveProjectile(const ProjectileParams& params): CWeaponProjectile(params)
, areaOfEffect(0.0f)
, invttl(0.0f)
, curTime(0.0f)
{
projectileType = WEAPON_EXPLOSIVE_PROJECTILE;
mygravity = params.gravity;
useAirLos = true;
if (weaponDef != NULL) {
SetRadiusAndHeight(weaponDef->collisionSize, 0.0f);
drawRadius = weaponDef->size;
areaOfEffect = weaponDef->damageAreaOfEffect;
}
if (ttl <= 0) {
invttl = 1.0f;
} else {
invttl = 1.0f / ttl;
}
#ifdef TRACE_SYNC
tracefile << "New explosive: ";
tracefile << pos.x << " " << pos.y << " " << pos.z << " " << speed.x << " " << speed.y << " " << speed.z << "\n";
#endif
}
void CExplosiveProjectile::Update()
{
CProjectile::Update();
if (--ttl == 0) {
Collision();
} else {
if (ttl > 0) {
explGenHandler->GenExplosion(cegID, pos, speed, ttl, areaOfEffect, 0.0f, NULL, NULL);
}
}
curTime += invttl;
curTime = std::min(curTime, 1.0f);
if (weaponDef->noExplode && TraveledRange()) {
CProjectile::Collision();
return;
}
UpdateGroundBounce();
UpdateInterception();
}
void CExplosiveProjectile::Draw()
{
if (model) {
// do not draw if a 3D model has been defined for us
return;
}
inArray = true;
unsigned char col[4] = {0};
if (weaponDef->visuals.colorMap) {
weaponDef->visuals.colorMap->GetColor(col, curTime);
} else {
col[0] = weaponDef->visuals.color.x * 255;
col[1] = weaponDef->visuals.color.y * 255;
col[2] = weaponDef->visuals.color.z * 255;
col[3] = weaponDef->intensity * 255;
}
const AtlasedTexture* tex = weaponDef->visuals.texture1;
const float alphaDecay = weaponDef->visuals.alphaDecay;
const float sizeDecay = weaponDef->visuals.sizeDecay;
const float separation = weaponDef->visuals.separation;
const bool noGap = weaponDef->visuals.noGap;
const int stages = weaponDef->visuals.stages;
const float invStages = 1.0f / stages;
const float3 ndir = dir * separation * 0.6f;
va->EnlargeArrays(stages * 4,0, VA_SIZE_TC);
for (int stage = 0; stage < stages; ++stage) { //! CAUTION: loop count must match EnlargeArrays above
const float stageDecay = (stages - (stage * alphaDecay)) * invStages;
const float stageSize = drawRadius * (1.0f - (stage * sizeDecay));
const float3 ydirCam = camera->up * stageSize;
const float3 xdirCam = camera->right * stageSize;
const float3 stageGap = (noGap)? (ndir * stageSize * stage): (ndir * drawRadius * stage);
const float3 stagePos = drawPos - stageGap;
col[0] = stageDecay * col[0];
col[1] = stageDecay * col[1];
col[2] = stageDecay * col[2];
col[3] = stageDecay * col[3];
va->AddVertexQTC(stagePos - xdirCam - ydirCam, tex->xstart, tex->ystart, col);
va->AddVertexQTC(stagePos + xdirCam - ydirCam, tex->xend, tex->ystart, col);
va->AddVertexQTC(stagePos + xdirCam + ydirCam, tex->xend, tex->yend, col);
va->AddVertexQTC(stagePos - xdirCam + ydirCam, tex->xstart, tex->yend, col);
}
}
int CExplosiveProjectile::ShieldRepulse(CPlasmaRepulser* shield, float3 shieldPos, float shieldForce, float shieldMaxSpeed)
{
if (luaMoveCtrl)
return 0;
const float3 rdir = (pos - shieldPos).Normalize();
if (rdir.dot(speed) < shieldMaxSpeed) {
SetVelocityAndSpeed(speed + (rdir * shieldForce));
return 2;
}
return 0;
}
|
