public ParticleProcessorViewModel(IParticleProcessor particleProcessor, TreeViewItemViewModel parent, INodeAddedCallback nodeAddCB,
ICommand removeParticleProcessor)
: base(particleProcessor.GetType().Name, parent, nodeAddCB, particleProcessor)
{
RemoveParticleProcessor = removeParticleProcessor;
ParticleProcessor = particleProcessor;
}
//build it
public ParticleStore(uint maxTimeSteps, ParticleSystemTypeData type, IParticleProcessor processor, int particleTypeCount, int particleTypeIndex)
{
if (type == null)
throw new ArgumentNullException();
this.typeEmitDependancy = new bool[particleTypeCount + 1];
this.particleTypeIndex = particleTypeIndex;
this.particleType = type;
this.processor = processor;
this.frameEmitter = type.FrameEmitter;
this.removeEmitter = type.RemoveEmitter;
this.timeStepCount = 1;
while (maxTimeSteps > this.timeStepCount)
this.timeStepCount *= 2;
this.timeStepMask = (int)this.timeStepCount - 1;
this.timeSteps = new SystemTimeStep[timeStepCount];
this.particles = new Particle[Math.Max(4,type.ExpectedMaxCapacity)];
this.addActions = new AddAction[8];
this.copyActions = new CopyAction[8];
}
public ProcessorAddList(IParticleProcessor processor)
{
this.processor = processor as GpuParticleProcessor;
}
void IParticleProcessor.Initalise(ParticleSystemTypeData typeData, IParticleProcessor[] allProcessors, bool useColourValues, uint maxLifeTimeSteps, uint timeStepHz, uint maxExpectedCount)
{
CpuParticleProcessorData processor = typeData.RuntimeLogicData.CpuParticleProcessorData;
this.particleTypeData = typeData;
this.timeStepHz = timeStepHz;
this.processors = allProcessors;
this.addIndices = new uint[8];
//max expected count is always a power of 2
this.maxCount = maxExpectedCount;
this.countMask = maxExpectedCount - 1;
bool usesUserValues = typeData.RuntimeLogicData.SystemUsesUserValues;
bool usesLifeOrAge = typeData.RuntimeLogicData.SystemUsesLifeOrAgeValues;
positions = new Vector4[maxExpectedCount];
velocity = new Vector4[maxExpectedCount];
if (useColourValues)
colours = new Vector4[maxExpectedCount];
if (usesUserValues)
userdata = new Vector4[maxExpectedCount];
if (usesLifeOrAge)
lifeData = new Vector2[maxExpectedCount];
System.Reflection.Assembly asm = processor.Assembly;
Type type = asm.GetType(processor.RuntimeClassName);
System.Reflection.MethodInfo frameMethod = type.GetMethod(typeData.Name + "_frame", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
System.Reflection.MethodInfo onceMethod = type.GetMethod(typeData.Name + "_once", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public);
this.frameMethod = (UpdateParticleDelegate)Delegate.CreateDelegate(typeof(UpdateParticleDelegate), frameMethod);
this.onceMethod = (AddParticleDelegate)Delegate.CreateDelegate(typeof(AddParticleDelegate), onceMethod);
}
