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
|
#include "UnityPrefix.h"
#include "Runtime/BaseClasses/ObjectDefines.h"
#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
#include "ParticleSystemModule.h"
ParticleSystemReadOnlyState::ParticleSystemReadOnlyState()
: lengthInSec (5.0f)
, startDelay (0.0f)
, speed (1.0f)
, randomSeed (0)
, looping (true)
, prewarm (false)
, playOnAwake (true)
, useLocalSpace (true)
{
}
void ParticleSystemReadOnlyState::CheckConsistency()
{
lengthInSec = std::max(lengthInSec, 0.1f);
lengthInSec = std::min(lengthInSec, 100000.0f); // Very large values can lead to editor locking up due to numerical instability.
startDelay = std::max(startDelay, 0.0f);
speed = std::max(speed, 0.0f);
}
template<class TransferFunction>
void ParticleSystemReadOnlyState::Transfer (TransferFunction& transfer)
{
TRANSFER (lengthInSec);
TRANSFER (startDelay);
TRANSFER (speed);
TRANSFER (randomSeed);
TRANSFER (looping);
TRANSFER (prewarm);
TRANSFER (playOnAwake);
transfer.Transfer (useLocalSpace, "moveWithTransform");
}
INSTANTIATE_TEMPLATE_TRANSFER(ParticleSystemReadOnlyState)
ParticleSystemState::ParticleSystemState ()
: playing (false)
, needRestart (true)
, stopEmitting (false)
, accumulatedDt (0.0f)
, delayT (0.0f)
, t (0.0f)
, maxSize (0.0f)
, isSubEmitter (false)
, recordSubEmits(false)
, cullTime(0.0)
, culled(false)
, numLoops(0)
, invalidateProcedural(false)
, supportsProcedural(true)
, cachedForces(0)
, numCachedForces(0)
, cachedSubDataBirth(0)
, numCachedSubDataBirth(0)
, cachedSubDataCollision(0)
, numCachedSubDataCollision(0)
, cachedSubDataDeath(0)
, numCachedSubDataDeath(0)
, cachedCollisionPlanes(0)
, numCachedCollisionPlanes(0)
, rayBudget(0)
, nextParticleToTrace(0)
{
ClearSubEmitterCommandBuffer();
localToWorld.SetIdentity ();
emitterVelocity = Vector3f::zero;
emitterScale = Vector3f::one;
minMaxAABB = MinMaxAABB (Vector3f::zero, Vector3f::zero);
}
void ParticleSystemState::Tick (const ParticleSystemReadOnlyState& constState, float dt)
{
t += dt;
for(int i = 0; i < subEmitterCommandBuffer.commandCount; i++)
subEmitterCommandBuffer.commands[i].timeAlive += dt;
if (!constState.looping)
t = std::min<float> (t, constState.lengthInSec);
else
if(t > constState.lengthInSec)
{
t -= constState.lengthInSec;
numLoops++;
}
}
void ParticleSystemState::ClearSubEmitterCommandBuffer()
{
if(cachedSubDataBirth)
{
for (int i = 0; i < numCachedSubDataBirth; ++i)
{
(cachedSubDataBirth+i)->~ParticleSystemSubEmitterData();
}
FREE_TEMP_MANUAL(cachedSubDataBirth);
}
if(cachedSubDataCollision)
{
for (int i = 0; i < numCachedSubDataCollision; ++i)
{
(cachedSubDataCollision+i)->~ParticleSystemSubEmitterData();
}
FREE_TEMP_MANUAL(cachedSubDataCollision);
}
if(cachedSubDataDeath)
{
for (int i = 0; i < numCachedSubDataDeath; ++i)
{
(cachedSubDataDeath+i)->~ParticleSystemSubEmitterData();
}
FREE_TEMP_MANUAL(cachedSubDataDeath);
}
if(subEmitterCommandBuffer.commands)
FREE_TEMP_MANUAL(subEmitterCommandBuffer.commands);
cachedSubDataBirth = cachedSubDataCollision = cachedSubDataDeath = 0;
numCachedSubDataBirth = numCachedSubDataCollision = numCachedSubDataDeath = 0;
subEmitterCommandBuffer.commands = 0;
subEmitterCommandBuffer.commandCount = subEmitterCommandBuffer.maxCommandCount = 0;
}
template<class TransferFunction>
void ParticleSystemState::Transfer (TransferFunction& transfer)
{
TRANSFER_DEBUG (t);
}
INSTANTIATE_TEMPLATE_TRANSFER(ParticleSystemState)
template<class TransferFunction>
void ParticleSystemModule::Transfer (TransferFunction& transfer)
{
transfer.Transfer (m_Enabled, "enabled"); transfer.Align ();
}
INSTANTIATE_TEMPLATE_TRANSFER(ParticleSystemModule)
|
