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SCR_DestructionCommon.c
Go to the documentation of this file.
1//------------------------------------------------------------------------------------------------
2// THIS FILE CONTAINS COMMON FUNCTIONS USED BY THE VARIOUS DESTRUCTION SYSTEMS
3//------------------------------------------------------------------------------------------------
4
5//------------------------------------------------------------------------------------------------
7class SCR_DestructionCommon
8{
9 static const float PARTICLE_IMPULSE_DEFAULT = 0.5;
10 static const float PARTICLE_IMPULSE_INCENDIARY = 1;
11 static const float PARTICLE_IMPULSE_EXPLOSION = 1;
12 static const float PARTICLE_IMPULSE_COLLISION = 0.5;
13
14 //------------------------------------------------------------------------------------------------
16 static float GetPTCImpulseScale(EDamageType type)
17 {
18 float impulseScale = PARTICLE_IMPULSE_DEFAULT;
19
20 switch (type)
21 {
22 case EDamageType.INCENDIARY:
23 {
24 impulseScale = PARTICLE_IMPULSE_INCENDIARY;
25 break;
26 }
27 case EDamageType.EXPLOSIVE:
28 {
29 impulseScale = PARTICLE_IMPULSE_EXPLOSION;
30 break;
31 }
32 case EDamageType.COLLISION:
33 {
34 impulseScale = PARTICLE_IMPULSE_COLLISION;
35 break;
36 }
37 }
38
39 return impulseScale;
40 }
41
42 //------------------------------------------------------------------------------------------------
44 static ParticleEffectEntity PlayParticleEffect_FractionDestruction(IEntity entity, ResourceName particlePath, EDamageType type, vector hitPos, vector hitDir)
45 {
46 if (!entity)
47 return null;
48
49 if (particlePath == ResourceName.Empty)
50 return null;
51
52 vector fw = hitDir * 0.5 + entity.GetWorldTransformAxis(2);
53 fw.Normalize();
54 vector rt = vector.Up * fw;
55 rt.Normalize();
56 vector up = fw * rt;
57 up.Normalize();
58
59 ParticleEffectEntitySpawnParams spawnParams = new ParticleEffectEntitySpawnParams();
60 spawnParams.Transform[0] = rt;
61 spawnParams.Transform[1] = up;
62 spawnParams.Transform[2] = fw;
63 spawnParams.Transform[3] = hitPos;
64 spawnParams.UseFrameEvent = true;
65
66 ParticleEffectEntity ptc = ParticleEffectEntity.SpawnParticleEffect(particlePath, spawnParams);
67 if (!ptc)
68 return null;
69
70 float velocityScale = GetPTCImpulseScale(type);
71 Particles particles = ptc.GetParticles();
72 particles.MultParam(-1, EmitterParam.VELOCITY, velocityScale);
73 particles.MultParam(-1, EmitterParam.VELOCITY_RND, velocityScale);
74
75 return ptc;
76 }
77
78 //------------------------------------------------------------------------------------------------
80 static ParticleEffectEntity PlayParticleEffect_CompleteDestruction(IEntity entity, ResourceName particlePath, EDamageType damageType, bool atBoundBoxCenter = true)
81 {
82 if (!entity)
83 return null;
84
85 if (particlePath == ResourceName.Empty)
86 return null;
87
88 ParticleEffectEntitySpawnParams spawnParams = new ParticleEffectEntitySpawnParams();
89 spawnParams.TransformMode = ETransformMode.WORLD;
90 entity.GetWorldTransform(spawnParams.Transform);
91 spawnParams.UseFrameEvent = true;
92
93 if (atBoundBoxCenter)
94 {
95 vector mins, maxs;
96 entity.GetBounds(mins, maxs);
97 vector center = (maxs - mins) * 0.5 + mins;
98 spawnParams.Transform[3] = center.Multiply4(spawnParams.Transform);
99 }
100
101 ParticleEffectEntity ptc = ParticleEffectEntity.SpawnParticleEffect(particlePath, spawnParams);
102 if (!ptc)
103 return null;
104
105 float velocityScale = GetPTCImpulseScale(damageType);
106 Particles particles = ptc.GetParticles();
107 particles.MultParam(-1, EmitterParam.VELOCITY, velocityScale);
108 particles.MultParam(-1, EmitterParam.VELOCITY_RND, velocityScale);
109
110 return ptc;
111 }
112
113 //------------------------------------------------------------------------------------------------
115 static ParticleEffectEntity PlayParticleEffect_Child(ResourceName particlePath, EDamageType damageType, notnull IEntity parent, vector mat[4])
116 {
117 if (particlePath == ResourceName.Empty)
118 return null;
119
120 vector parentTransform[4];
121 parent.GetWorldTransform(parentTransform);
122
123 ParticleEffectEntitySpawnParams spawnParams = new ParticleEffectEntitySpawnParams();
124 Math3D.MatrixInvMultiply4(parentTransform, mat, spawnParams.Transform);
125 spawnParams.Parent = parent;
126 spawnParams.UseFrameEvent = true;
127
128 ParticleEffectEntity ptc = ParticleEffectEntity.SpawnParticleEffect(particlePath, spawnParams);
129 if (!ptc)
130 return null;
131
132 float velocityScale = GetPTCImpulseScale(damageType);
133 Particles particles = ptc.GetParticles();
134 particles.MultParam(-1, EmitterParam.VELOCITY, velocityScale);
135 particles.MultParam(-1, EmitterParam.VELOCITY_RND, velocityScale);
136
137 return ptc;
138 }
139
140 //------------------------------------------------------------------------------------------------
142 static ParticleEffectEntity PlayParticleEffect_Transform(ResourceName particlePath, EDamageType damageType, vector mat[4])
143 {
144 if (particlePath == ResourceName.Empty)
145 return null;
146
147 ParticleEffectEntitySpawnParams spawnParams = new ParticleEffectEntitySpawnParams();
148 spawnParams.Transform = mat;
149 spawnParams.UseFrameEvent = true;
150
151 ParticleEffectEntity ptc = ParticleEffectEntity.SpawnParticleEffect(particlePath, spawnParams);
152 if (!ptc)
153 return null;
154
155 float velocityScale = GetPTCImpulseScale(damageType);
156 Particles particles = ptc.GetParticles();
157 if (particles)
158 {
159 particles.MultParam(-1, EmitterParam.VELOCITY, velocityScale);
160 particles.MultParam(-1, EmitterParam.VELOCITY_RND, velocityScale);
161 }
162
163 return ptc;
164 }
165};
type
EDamageType type
Definition SCR_DestructibleTreeV2.c:32
ParticleEffectEntity
void ParticleEffectEntity(IEntitySource src, IEntity parent)
Definition SCR_RepeatingParticleEffectEntity.c:65
IEntity::GetWorldTransformAxis
proto external vector GetWorldTransformAxis(int axis)
See IEntity::GetTransformAxis.
IEntity::GetBounds
proto external void GetBounds(out vector mins, out vector maxs)
IEntity::GetWorldTransform
proto external void GetWorldTransform(out vector mat[])
See IEntity::GetTransform.
SCR_DestructionCommon
Class containing common functions between destructible classes.
Definition SCR_DestructionCommon.c:8
EDamageType
EDamageType
Definition EDamageType.c:13
EmitterParam
EmitterParam
Definition EmitterParam.c:16