// EVALUATE //
//
// Evaluate when particle specific data is NOT available.
override public void Evaluate(ref float input)
{
float output = 0;
float finalValueA = useStackValue.GetValue() ? input : valueA.GetValue();
switch (condition.GetValue())
{
case (int)eConditions.Greater:
if (finalValueA > valueB.GetValue())
{
output = valueTrue.GetValue();
}
else
{
output = valueFalse.GetValue();
}
break;
case (int)eConditions.Less:
if (finalValueA < valueB.GetValue())
{
output = valueTrue.GetValue();
}
else
{
output = valueFalse.GetValue();
}
break;
case (int)eConditions.Equal:
if (finalValueA == valueB.GetValue())
{
output = valueTrue.GetValue();
}
else
{
output = valueFalse.GetValue();
}
break;
case (int)eConditions.NotEqual:
if (finalValueA != valueB.GetValue())
{
output = valueTrue.GetValue();
}
else
{
output = valueFalse.GetValue();
}
break;
}
input = Blend(input, output, weight.GetValue());
}
public DropdownData displayData; // The function which fetches the string array to display in the dropdown control.
// Since delegates are not serialized it will get it's value right before first
// UI render.
#endif
// GET VALUE //
//
public int GetValue()
{
int returnValue = 0;
#if UNITY_EDITOR
CheckReferences();
#endif
switch (dataMode)
{
case eDataMode.Constant:
returnValue = constant;
break;
case eDataMode.Reference:
if (reference != null)
{
DropdownProperty theReference = (DropdownProperty)reference.property;
returnValue = theReference.GetValue();
}
break;
}
return(returnValue);
}
// EVALUATE //
//
// Evaluate when particle specific data IS available.
override public void Evaluate(ref Vector4[] input)
{
int particleIndex;
for (int i = 0; i < ownerBlueprint.ownerEmitter.activeParticleIndices.Length; i++)
{
particleIndex = ownerBlueprint.ownerEmitter.activeParticleIndices[i];
switch (conversionMode.GetValue())
{
case (int)eConversionModes.DirectionToRotation:
// TODO: Choose upvector.
Vector3 lookRotation = input[particleIndex];
if (lookRotation == Vector3.zero)
{
lookRotation.x = 0.00001f;
}
input[particleIndex] = Quaternion.LookRotation(lookRotation, Vector3.up).eulerAngles;
break;
case (int)eConversionModes.RotationToDirection:
input[particleIndex] = Quaternion.Euler(input[particleIndex]) * Vector3.forward;
break;
case (int)eConversionModes.HSVToRGB:
input[particleIndex] = AmpsHelpers.HSVAtoRGBA(input[particleIndex]);
break;
case (int)eConversionModes.RGBToHSV:
input[particleIndex] = AmpsHelpers.RGBAtoHSVA(input[particleIndex]);
break;
}
}
}
// EVALUATE //
//
// Evaluate when particle specific data is NOT available.
override public void Evaluate(ref float input)
{
Vector4 finalValue = untriggeredValue.GetValue();
if (ownerBlueprint.ownerEmitter.emitterLoopTime < previousLoopTime)
{
currentTriggerCount = 0;
}
previousLoopTime = ownerBlueprint.ownerEmitter.emitterLoopTime;
if (triggerToggle.GetValue() == false &&
ownerBlueprint.ownerEmitter.emitterTime > lastTriggerTime + triggerDuration.GetValue())
{
isTriggered = false;
}
if (isTriggered)
{
switch ((eTriggerDataModes)triggerDataMode.GetValue())
{
case eTriggerDataModes.CustomValue:
finalValue = triggeredCustomValue.GetValue();
break;
case eTriggerDataModes.EventData1:
finalValue = lastEventData.DataSlot1;
break;
case eTriggerDataModes.EventData2:
finalValue = lastEventData.DataSlot2;
break;
case eTriggerDataModes.EventData3:
finalValue = lastEventData.DataSlot3;
break;
case eTriggerDataModes.EventData4:
finalValue = lastEventData.DataSlot4;
break;
}
}
input = Blend(input, finalValue, weight.GetValue());
}
// MANAGE SAMPLING //
//
// Does the actual sampling.
override public void ManageSampling(int particleIndex)
{
Vector3 v = Vector3.zero;
bool shouldIndeedSample = (particleIndex < 0 && ShouldSample()) || (particleIndex >= 0 && ShouldSample(particleIndex));
// Leave if it's not time yet to sample.
if (shouldIndeedSample == false)
{
return;
}
// INVALID SAMPLE: Referenced GameObject is not available.
GameObject theGameObject = sampledObject.GetValue();
if (theGameObject == null)
{
isValidSample[particleIndex] = false;
return;
}
switch (sampledTransformElement.GetValue())
{
case (int)eTransformElements.Position:
v = theGameObject.transform.position;
break;
case (int)eTransformElements.Rotation:
v = theGameObject.transform.rotation.eulerAngles;
break;
case (int)eTransformElements.Scale:
v = theGameObject.transform.localScale;
break;
}
vectors[particleIndex] = new Vector4(v.x, v.y, v.z, 0);
isValidSample[particleIndex] = true;
}
// EVALUATE //
//
// Evaluate when particle specific data is NOT available.
override public void Evaluate(ref float input)
{
#if UNITY_EDITOR
if (showCurrentStack.GetValue())
{
label.value = input.ToString("F3");
}
else
{
if (ownerBlueprint.ownerEmitter.exampleInputParticleIndex < 0)
{
return;
}
Vector4 v = AmpsHelpers.GetSystemProperty(ownerBlueprint, ownerBlueprint.ownerEmitter.exampleInputParticleIndex, (AmpsHelpers.eCurveInputs)property.GetValue());
label.value = v.x.ToString("F3") + ", " +
v.y.ToString("F3") + ", " +
v.z.ToString("F3") + ", " +
v.w.ToString("F3");
}
moduleName.value = label.value;
#endif
}
// SHOULD SAMPLE //
//
// Check sampling condition when particle data IS available.
public bool ShouldSample(int particleIndex)
{
bool returnValue = false;
float currentTime;
// Get "currentTime" from the proper source.
if (ownerStack.isParticleStack)
{
currentTime = ownerBlueprint.ownerEmitter.particleTimes[particleIndex];
}
else
{
currentTime = ownerBlueprint.ownerEmitter.emitterTime;
}
// Apply time offset if appropriate.
if (samplerCondition.GetValue() == (int)eSamplerConditions.ByTime)
{
currentTime = currentTime - intervalOffset.GetValue();
if (currentTime < 0)
{
currentTime = 0;
}
}
else if (samplerCondition.GetValue() == (int)eSamplerConditions.OnCreation &&
lastSampleTimes[particleIndex] < 0 &&
currentTime >= intervalOffset.GetValue())
{
lastSampleTimes[particleIndex] = currentTime;
returnValue = true;
}
// We do a sample if we should on spawn and if the last sample timestamp is -1 i.e. no sample has been taken yet.
if (sampleOnSpawn.GetValue() && lastSampleTimes[particleIndex] < 0)
{
lastSampleTimes[particleIndex] = currentTime;
returnValue = true;
}
switch ((eSamplerConditions)samplerCondition.GetValue())
{
// AmpsHelpers.eSamplerConditions.OnCreation was handled above.
case eSamplerConditions.ByTime:
if (currentTime >= lastSampleTimes[particleIndex] + interval.GetValue())
{
returnValue = true;
lastSampleTimes[particleIndex] = Mathf.Round(currentTime / interval.GetValue()) * interval.GetValue();
}
break;
case eSamplerConditions.ByDirectValue:
float theDirectValue = 0;
if (ownerStack.isParticleStack)
{
theDirectValue = directValue.GetValue(particleIndex);
}
else
{
theDirectValue = directValue.GetValue();
}
if (theDirectValue >= 1)
{
returnValue = true;
lastSampleTimes[particleIndex] = currentTime;
}
break;
case eSamplerConditions.OnCollision:
// True if collision occured on last update.
// TODO: Implement collision.
break;
}
return(returnValue);
}
// MANAGE EVENT //
//
void ManageEvent(Vector4 input, bool isInputFloat, int particleIndex)
{
bool shouldTriggerEvent = false;
Vector4 rawProperty;
bool isRawPropertyFloat = isInputFloat;
float thePropertyValue = 0;
if (useCurrentStack.GetValue() == false)
{
rawProperty = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)property.GetValue());
isRawPropertyFloat = AmpsHelpers.isFloatInput((AmpsHelpers.eCurveInputs)property.GetValue());
}
else
{
rawProperty = input;
}
if (isRawPropertyFloat)
{
thePropertyValue = rawProperty.x;
}
else
{
switch (propertyVectorComponent.GetValue())
{
case (int)AmpsHelpers.eVectorComponents.X:
thePropertyValue = rawProperty.x;
break;
case (int)AmpsHelpers.eVectorComponents.Y:
thePropertyValue = rawProperty.y;
break;
case (int)AmpsHelpers.eVectorComponents.Z:
thePropertyValue = rawProperty.z;
break;
case (int)AmpsHelpers.eVectorComponents.W:
thePropertyValue = rawProperty.w;
break;
case (int)AmpsHelpers.eVectorComponents.Mag:
thePropertyValue = new Vector3(rawProperty.x, rawProperty.y, rawProperty.z).magnitude;
break;
}
}
switch (condition.GetValue())
{
case (int)eConditions.Greater:
shouldTriggerEvent = thePropertyValue > value.GetValue();
break;
case (int)eConditions.Less:
shouldTriggerEvent = thePropertyValue < value.GetValue();
break;
case (int)eConditions.Equal:
shouldTriggerEvent = thePropertyValue == value.GetValue();
break;
case (int)eConditions.NotEqual:
shouldTriggerEvent = thePropertyValue != value.GetValue();
break;
}
if (shouldTriggerEvent)
{
AmpsEmitter[] childEmitters = ownerBlueprint.ownerEmitter.transform.GetComponentsInChildren <AmpsEmitter>();
for (int i = 0; i < childEmitters.Length; i++)
{
switch ((eActions)action.GetValue())
{
case eActions.ResetAndPlay:
childEmitters[i].Play();
break;
case eActions.PlayIfNotPlaying:
if (childEmitters[i].isStopped)
{
childEmitters[i].Play();
}
else if (childEmitters[i].isPaused)
{
childEmitters[i].Unpause();
}
break;
case eActions.Pause:
if (childEmitters[i].isPaused == false)
{
childEmitters[i].Pause();
}
break;
default:
break;
}
}
timeOfLastEvent = ownerBlueprint.ownerEmitter.emitterTime;
}
}
// EVALUATE //
//
override public void Evaluate()
{
Vector4 customVector;
Vector3 position;
Vector3 pivotOffset;
Vector3 rotation;
Quaternion quaternionRotation;
Vector3 scale;
Color color;
bool shouldRecreateMesh;
bool shouldBeDoubleSided;
Quaternion camFacingRotation;
int vertexIndexSteps;
int triangleIndexSteps;
if (ownerBlueprint == null ||
ownerBlueprint.ownerEmitter == null ||
ownerBlueprint.ownerEmitter.particleMarkers == null)
{
return; // To fix null ref log spam after script rebuild.
}
if (finalMesh == null)
{
SoftReset();
}
ownerBlueprint.ownerEmitter.activeParticleIndices = ownerBlueprint.ownerEmitter.particleMarkers.GetActiveIndices();
particleCount = ownerBlueprint.ownerEmitter.activeParticleIndices.Length;
shouldRecreateMesh = (particleCount != lastParticleCount);
shouldBeDoubleSided = isDoubleSided.GetValue();
if (shouldBeDoubleSided)
{
vertexIndexSteps = 8;
triangleIndexSteps = 12;
}
else
{
vertexIndexSteps = 4;
triangleIndexSteps = 6;
}
// TODO: Investigate why this line fails at runtime around 2 * 4:
//shouldRecreateMesh = triangles.Length != particleCount * vertexIndexSteps;
if (shouldRecreateMesh)
{
finalMesh.Clear();
vertices = new Vector3[particleCount * vertexIndexSteps];
normals = new Vector3[particleCount * vertexIndexSteps];
tangents = new Vector4[particleCount * vertexIndexSteps];
uvs = new Vector2[particleCount * vertexIndexSteps];
uv2s = new Vector2[particleCount * vertexIndexSteps];
colors = new Color[particleCount * vertexIndexSteps];
triangles = new int[particleCount * triangleIndexSteps];
lastParticleCount = particleCount;
}
int particleIndex;
for (int i = 0; i < ownerBlueprint.ownerEmitter.activeParticleIndices.Length; i++)
{
particleIndex = ownerBlueprint.ownerEmitter.activeParticleIndices[i];
customVector = ownerBlueprint.customVectorStack.values[particleIndex];
position = AmpsHelpers.ConvertVector4Vector3(ownerBlueprint.ownerEmitter.blueprint.positionStack.values[particleIndex]); // Raw position stack result.
position = AmpsHelpers.RotateAroundPoint(position, ownerBlueprint.ownerEmitter.transform.position, Quaternion.Inverse(ownerBlueprint.ownerEmitter.transform.rotation));
position -= ownerBlueprint.ownerEmitter.emitterPosition; // Compensating for emitter position, turning position world relative.
pivotOffset = AmpsHelpers.ConvertVector4Vector3(ownerBlueprint.pivotOffsetStack.values[particleIndex]);
rotation = AmpsHelpers.ConvertVector4Vector3(ownerBlueprint.rotationStack.values[particleIndex]); // Raw particle stack result.
quaternionRotation = Quaternion.Inverse(ownerBlueprint.ownerEmitter.transform.rotation) * Quaternion.Euler(rotation);
scale = AmpsHelpers.ConvertVector4Vector3(ownerBlueprint.scaleStack.values[particleIndex]);
color = ownerBlueprint.colorStack.values[particleIndex];
// Setting up the quad, particle is at the center.
vertices[i * vertexIndexSteps] = (position + pivotOffset) + (new Vector3(scale.x, scale.y, 0) / 2);
vertices[i * vertexIndexSteps + 1] = (position + pivotOffset) + (new Vector3(-scale.x, scale.y, 0) / 2);
vertices[i * vertexIndexSteps + 2] = (position + pivotOffset) + (new Vector3(-scale.x, -scale.y, 0) / 2);
vertices[i * vertexIndexSteps + 3] = (position + pivotOffset) + (new Vector3(scale.x, -scale.y, 0) / 2);
switch (orientation.GetValue())
{
case (int)eOrientation.Rotated:
// Rotating the (pivot offset) vertices around particle position.
vertices[i * vertexIndexSteps] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps], position, quaternionRotation);
vertices[i * vertexIndexSteps + 1] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 1], position, quaternionRotation);
vertices[i * vertexIndexSteps + 2] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 2], position, quaternionRotation);
vertices[i * vertexIndexSteps + 3] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 3], position, quaternionRotation);
break;
case (int)eOrientation.CameraFacing:
camFacingRotation = Quaternion.LookRotation(ownerBlueprint.ownerEmitter.currentCameraTransform.forward, ownerBlueprint.ownerEmitter.currentCameraTransform.up);
camFacingRotation = Quaternion.Inverse(ownerBlueprint.ownerEmitter.transform.rotation) * camFacingRotation;
// TODO: Research if camera-particle position diff vector is better.
// Rotating all vertices around the center so the quad faces the camera.
vertices[i * vertexIndexSteps] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps], position, camFacingRotation);
vertices[i * vertexIndexSteps + 1] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 1], position, camFacingRotation);
vertices[i * vertexIndexSteps + 2] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 2], position, camFacingRotation);
vertices[i * vertexIndexSteps + 3] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 3], position, camFacingRotation);
break;
case (int)eOrientation.RotatedCameraFacing:
camFacingRotation = Quaternion.LookRotation(ownerBlueprint.ownerEmitter.currentCameraTransform.forward, ownerBlueprint.ownerEmitter.currentCameraTransform.up);
camFacingRotation = Quaternion.Inverse(ownerBlueprint.ownerEmitter.transform.rotation) * camFacingRotation;
camFacingRotation = camFacingRotation * Quaternion.Euler(rotation);
// Rotating all vertices around the center so the quad faces the camera.
vertices[i * vertexIndexSteps] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps], position, camFacingRotation);
vertices[i * vertexIndexSteps + 1] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 1], position, camFacingRotation);
vertices[i * vertexIndexSteps + 2] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 2], position, camFacingRotation);
vertices[i * vertexIndexSteps + 3] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 3], position, camFacingRotation);
break;
case (int)eOrientation.VectorAlignedCameraFacing:
//Vector3 upVector = Vector3.Normalize(alignmentVector.GetValue());
//Vector3 forwardVector = ownerBlueprint.ownerEmitter.currentCameraTransform.forward;
////ownerBlueprint.ownerEmitter.currentCameraTransform.up;
//camFacingRotation = Quaternion.LookRotation(forwardVector, upVector);
////camFacingRotation = Quaternion.Inverse(ownerBlueprint.ownerEmitter.transform.rotation) * camFacingRotation;
camFacingRotation = Quaternion.LookRotation(ownerBlueprint.ownerEmitter.currentCameraTransform.forward, Vector3.up);
Vector3 eulerRotation = camFacingRotation.eulerAngles;
eulerRotation.x = 0; // Discard rotation around x.
eulerRotation.z = 0; // Discard rotation around z.
camFacingRotation = Quaternion.Euler(eulerRotation);
// Rotating all vertices around the center so the quad faces the camera.
vertices[i * vertexIndexSteps] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps], position, camFacingRotation);
vertices[i * vertexIndexSteps + 1] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 1], position, camFacingRotation);
vertices[i * vertexIndexSteps + 2] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 2], position, camFacingRotation);
vertices[i * vertexIndexSteps + 3] = AmpsHelpers.RotateAroundPoint(vertices[i * vertexIndexSteps + 3], position, camFacingRotation);
break;
}
if (shouldBeDoubleSided)
{
vertices[i * vertexIndexSteps + 4] = vertices[i * vertexIndexSteps];
vertices[i * vertexIndexSteps + 5] = vertices[i * vertexIndexSteps + 1];
vertices[i * vertexIndexSteps + 6] = vertices[i * vertexIndexSteps + 2];
vertices[i * vertexIndexSteps + 7] = vertices[i * vertexIndexSteps + 3];
}
colors[i * vertexIndexSteps] = color;
colors[i * vertexIndexSteps + 1] = color;
colors[i * vertexIndexSteps + 2] = color;
colors[i * vertexIndexSteps + 3] = color;
if (shouldBeDoubleSided)
{
if ((eDoubleSidedColorMode)doubleSidedColorMode.GetValue() == eDoubleSidedColorMode.ColorStack)
{
colors[i * vertexIndexSteps + 4] = colors[i * vertexIndexSteps];
colors[i * vertexIndexSteps + 5] = colors[i * vertexIndexSteps + 1];
colors[i * vertexIndexSteps + 6] = colors[i * vertexIndexSteps + 2];
colors[i * vertexIndexSteps + 7] = colors[i * vertexIndexSteps + 3];
}
else
{
colors[i * vertexIndexSteps + 4] = customVector;
colors[i * vertexIndexSteps + 5] = customVector;
colors[i * vertexIndexSteps + 6] = customVector;
colors[i * vertexIndexSteps + 7] = customVector;
}
}
switch (normalMode.GetValue())
{
case (int)eNormalMode.Skip:
break;
case (int)eNormalMode.Flat:
Vector3 calculatedNormal = Vector3.Cross((vertices[i * vertexIndexSteps + 2] - vertices[i * vertexIndexSteps]), (vertices[i * vertexIndexSteps + 1] - vertices[i * vertexIndexSteps]));
calculatedNormal = Vector3.Normalize(calculatedNormal);
normals[i * vertexIndexSteps] = calculatedNormal;
normals[i * vertexIndexSteps + 1] = calculatedNormal;
normals[i * vertexIndexSteps + 2] = calculatedNormal;
normals[i * vertexIndexSteps + 3] = calculatedNormal;
break;
}
if (shouldBeDoubleSided)
{
normals[i * vertexIndexSteps + 4] = normals[i * vertexIndexSteps] * -1;
normals[i * vertexIndexSteps + 5] = normals[i * vertexIndexSteps + 1] * -1;
normals[i * vertexIndexSteps + 6] = normals[i * vertexIndexSteps + 2] * -1;
normals[i * vertexIndexSteps + 7] = normals[i * vertexIndexSteps + 3] * -1;
}
switch (uv2Mode.GetValue())
{
case (int)eUV2Mode.Skip:
break;
case (int)eUV2Mode.CustomVectorXY:
uv2s[i * vertexIndexSteps] = new Vector2(customVector.x, customVector.y);
uv2s[i * vertexIndexSteps + 1] = new Vector2(customVector.x, customVector.y);
uv2s[i * vertexIndexSteps + 2] = new Vector2(customVector.x, customVector.y);
uv2s[i * vertexIndexSteps + 3] = new Vector2(customVector.x, customVector.y);
break;
case (int)eUV2Mode.CustomVectorXYZW: // BUG: Doesn't really work...
Vector2 calculatedUv2 = Vector2.zero;
calculatedUv2.x = AmpsHelpers.PackVector2(new Vector2(customVector.x, customVector.y));
calculatedUv2.y = AmpsHelpers.PackVector2(new Vector2(customVector.z, customVector.w));
uv2s[i * vertexIndexSteps] = calculatedUv2;
uv2s[i * vertexIndexSteps + 1] = calculatedUv2;
uv2s[i * vertexIndexSteps + 2] = calculatedUv2;
uv2s[i * vertexIndexSteps + 3] = calculatedUv2;
break;
}
if (shouldBeDoubleSided)
{
uv2s[i * vertexIndexSteps + 4] = uv2s[i * vertexIndexSteps];
uv2s[i * vertexIndexSteps + 5] = uv2s[i * vertexIndexSteps + 1];
uv2s[i * vertexIndexSteps + 6] = uv2s[i * vertexIndexSteps + 2];
uv2s[i * vertexIndexSteps + 7] = uv2s[i * vertexIndexSteps + 3];
}
switch (tangentMode.GetValue())
{
case (int)eTangentMode.Skip:
break;
case (int)eTangentMode.Generate:
//Vector3 rawTangent = Vector3.Normalize(vertices[i * 4 + 3] - vertices[i * 4 + 1]);
Vector3 rawTangent = Vector3.Normalize(vertices[i * 4 + 0] - vertices[i * 4 + 1]);
Vector4 calculatedTangent = new Vector4(rawTangent.x, rawTangent.y, rawTangent.z, -1);
tangents[i * vertexIndexSteps] = calculatedTangent;
tangents[i * vertexIndexSteps + 1] = calculatedTangent;
tangents[i * vertexIndexSteps + 2] = calculatedTangent;
tangents[i * vertexIndexSteps + 3] = calculatedTangent;
break;
case (int)eTangentMode.CustomVectorXYZW:
tangents[i * vertexIndexSteps] = customVector;
tangents[i * vertexIndexSteps + 1] = customVector;
tangents[i * vertexIndexSteps + 2] = customVector;
tangents[i * vertexIndexSteps + 3] = customVector;
break;
}
if (shouldBeDoubleSided)
{
// TODO: Should it be multiplied by -1?
tangents[i * vertexIndexSteps + 4] = tangents[i * vertexIndexSteps];
tangents[i * vertexIndexSteps + 5] = tangents[i * vertexIndexSteps + 1];
tangents[i * vertexIndexSteps + 6] = tangents[i * vertexIndexSteps + 2];
tangents[i * vertexIndexSteps + 7] = tangents[i * vertexIndexSteps + 3];
}
if (shouldRecreateMesh) // Things go in here which don't change unless particle count changes.
{
uvs[i * vertexIndexSteps] = new Vector2(1, 1);
uvs[i * vertexIndexSteps + 1] = new Vector2(0, 1);
uvs[i * vertexIndexSteps + 2] = new Vector2(0, 0);
uvs[i * vertexIndexSteps + 3] = new Vector2(1, 0);
if (shouldBeDoubleSided)
{
uvs[i * vertexIndexSteps + 4] = new Vector2(1, 1);
uvs[i * vertexIndexSteps + 5] = new Vector2(0, 1);
uvs[i * vertexIndexSteps + 6] = new Vector2(0, 0);
uvs[i * vertexIndexSteps + 7] = new Vector2(1, 0);
}
//First triangle.
triangles[i * triangleIndexSteps] = i * vertexIndexSteps;
triangles[i * triangleIndexSteps + 1] = i * vertexIndexSteps + 2;
triangles[i * triangleIndexSteps + 2] = i * vertexIndexSteps + 1;
//Second triangle.
triangles[i * triangleIndexSteps + 3] = i * vertexIndexSteps + 2;
triangles[i * triangleIndexSteps + 4] = i * vertexIndexSteps;
triangles[i * triangleIndexSteps + 5] = i * vertexIndexSteps + 3;
if (shouldBeDoubleSided)
{
//Third triangle.
triangles[i * triangleIndexSteps + 6] = i * vertexIndexSteps + 5;
triangles[i * triangleIndexSteps + 7] = i * vertexIndexSteps + 6;
triangles[i * triangleIndexSteps + 8] = i * vertexIndexSteps + 4;
//Forth triangle.
triangles[i * triangleIndexSteps + 9] = i * vertexIndexSteps + 7;
triangles[i * triangleIndexSteps + 10] = i * vertexIndexSteps + 4;
triangles[i * triangleIndexSteps + 11] = i * vertexIndexSteps + 6;
}
}
}
// TODO: Bubble sort with limited run time.
finalMesh.vertices = vertices;
finalMesh.uv = uvs;
finalMesh.uv2 = uv2s;
finalMesh.normals = normals;
finalMesh.tangents = tangents;
finalMesh.colors = colors;
finalMesh.triangles = triangles;
}
// MANAGE EVENT //
//
void ManageEvent(Vector4 input, bool isInputFloat, int particleIndex)
{
bool shouldTriggerEvent = false;
Vector4 rawProperty;
bool isRawPropertyFloat = isInputFloat;
float thePropertyValue = 0;
if (useCurrentStack.GetValue() == false)
{
rawProperty = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)property.GetValue());
isRawPropertyFloat = AmpsHelpers.isFloatInput((AmpsHelpers.eCurveInputs)property.GetValue());
}
else
{
rawProperty = input;
}
if (isRawPropertyFloat)
{
thePropertyValue = rawProperty.x;
}
else
{
switch (propertyVectorComponent.GetValue())
{
case (int)AmpsHelpers.eVectorComponents.X:
thePropertyValue = rawProperty.x;
break;
case (int)AmpsHelpers.eVectorComponents.Y:
thePropertyValue = rawProperty.y;
break;
case (int)AmpsHelpers.eVectorComponents.Z:
thePropertyValue = rawProperty.z;
break;
case (int)AmpsHelpers.eVectorComponents.W:
thePropertyValue = rawProperty.w;
break;
case (int)AmpsHelpers.eVectorComponents.Mag:
thePropertyValue = new Vector3(rawProperty.x, rawProperty.y, rawProperty.z).magnitude;
break;
}
}
switch (condition.GetValue())
{
case (int)eConditions.Greater:
shouldTriggerEvent = thePropertyValue > value.GetValue();
break;
case (int)eConditions.Less:
shouldTriggerEvent = thePropertyValue < value.GetValue();
break;
case (int)eConditions.Equal:
shouldTriggerEvent = thePropertyValue == value.GetValue();
break;
case (int)eConditions.NotEqual:
shouldTriggerEvent = thePropertyValue != value.GetValue();
break;
}
if (shouldTriggerEvent)
{
EventData theEventData = new EventData();
theEventData.eventName = eventName.GetValue();
theEventData.particleIndex = particleIndex;
theEventData.DataSlot1 = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)sentProperty1.GetValue());
theEventData.DataSlot2 = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)sentProperty2.GetValue());
theEventData.DataSlot3 = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)sentProperty3.GetValue());
theEventData.DataSlot4 = AmpsHelpers.GetSystemProperty(ownerBlueprint, particleIndex, (AmpsHelpers.eCurveInputs)sentProperty4.GetValue());
#if UNITY_EDITOR
AmpsEmitter[] selfAndChildEmitters = ownerBlueprint.ownerEmitter.transform.root.GetComponentsInChildren <AmpsEmitter>();
for (int i = 0; i < selfAndChildEmitters.Length; i++)
{
selfAndChildEmitters[i].AmpsHandleEvent(theEventData);
}
#else
ownerBlueprint.ownerEmitter.BroadcastMessage("AmpsHandleEvent", theEventData, SendMessageOptions.DontRequireReceiver);
#endif
currentEventCount++;
timeOfLastEvent = ownerBlueprint.ownerEmitter.emitterTime;
}
}
// INITIALIZE NEW PARTICLES //
//
override public void InitializeNewParticles()
{
// The base's code is duplicated bellow to save a funct call and a loop.
// base.InitializeNewParticles();
System.Random theRandom = new System.Random();
if (theMesh == null)
{
return;
}
if (ownerBlueprint.ownerEmitter.newParticleIndices.Count > 0)
{
int elementCount = 0;
if (sampledMeshElement.GetValue() == (int)eMeshElements.VertexNormal ||
sampledMeshElement.GetValue() == (int)eMeshElements.VertexPosition)
{
elementCount = theMesh.vertices.Length;
}
else
{
elementCount = theMesh.triangles.Length / 3; // Divide by 3 because its a list of vertex indices.
}
for (int i = 0; i < ownerBlueprint.ownerEmitter.newParticleIndices.Count; i++)
{
int theParticleIndex = ownerBlueprint.ownerEmitter.newParticleIndices[i];
lastSampleTimes[theParticleIndex] = -1;
isValidSample[theParticleIndex] = false;
if (theMesh != null)
{
switch ((eSamplingOrder)samplingOrder.GetValue())
{
case eSamplingOrder.Sequential:
elementIndices[theParticleIndex] = lastAssignedElementIndex;
lastAssignedElementIndex++;
if (lastAssignedElementIndex > elementCount - 1)
{
lastAssignedElementIndex = 0;
}
break;
case eSamplingOrder.Random:
elementIndices[theParticleIndex] = theRandom.Next(0, elementCount);
break;
case eSamplingOrder.IndexBased:
if (ownerBlueprint.ownerEmitter.particleIds.Length > elementCount)
{
elementIndices[theParticleIndex] = theParticleIndex % elementCount;
}
else
{
elementIndices[theParticleIndex] = theParticleIndex;
}
break;
}
}
}
}
}
// MANAGE SAMPLING //
//
// Does the actual sampling.
override public void ManageSampling(int particleIndex)
{
int finalParticleIndex = (particleIndex < 0 ? 0 : particleIndex);
AmpsHelpers.eCurveInputs wantedProperty = (AmpsHelpers.eCurveInputs)property.GetValue();
bool isWantedPropertyParticleRelated = AmpsHelpers.isParticleRelatedInput(wantedProperty);
bool shouldIndeedSample = (particleIndex < 0 && ShouldSample()) || (particleIndex >= 0 && ShouldSample(particleIndex));
if (wasParentChecked == false)
{
if (ownerBlueprint.ownerEmitter.transform.parent != null)
{
parentEmitter = ownerBlueprint.ownerEmitter.transform.parent.GetComponent <AmpsEmitter>();
}
wasParentChecked = true;
}
if (sampleFromParent.GetValue())
{
// Leave if it's not time yet to sample.
if (shouldIndeedSample == false)
{
return;
}
// INVALID SAMPLE: Parent doesn't exist or has no emitter component or no blueprint.
if (parentEmitter == null ||
parentEmitter.blueprint == null)
{
isValidSample[finalParticleIndex] = false;
return;
}
// Try to get valid parent particle index.
if (parentParticleIndices[finalParticleIndex] < 0)
{
parentParticleIndices[finalParticleIndex] = parentEmitter.GetRandomParticleIndex(ownerBlueprint.ownerEmitter.particleIds[finalParticleIndex]);
}
// TODO: Invalid sample case: particle id at current particle index is different, ie we did lose
// original particle index as it got replaced by another.
// INVALID SAMPLE: Invalid parent particle index.
//
// TODO: We might have an invalid parent particle index but we might not need it anymore since
// we already got a valid sample from it before and we don't need a new one for the time being.
if (parentParticleIndices[finalParticleIndex] < 0)
{
isValidSample[finalParticleIndex] = false;
return;
}
// INVALID SAMPLE: Parent particle is dead.
if (parentParticleIndices[finalParticleIndex] >= 0 &&
parentEmitter.particleMarkers.IsActive(parentParticleIndices[finalParticleIndex]) == false)
{
parentParticleIndices[finalParticleIndex] = -1;
isValidSample[finalParticleIndex] = false;
return;
}
// INVALID SAMPLE: Asking for particle specific data but have no valid particle index.
if (isWantedPropertyParticleRelated && parentParticleIndices[finalParticleIndex] < 0)
{
return;
}
samples[finalParticleIndex] = AmpsHelpers.GetSystemProperty(parentEmitter.blueprint,
parentParticleIndices[finalParticleIndex],
wantedProperty);
isValidSample[finalParticleIndex] = true;
}
else
{
// Leave if it's not time yet to sample.
if (shouldIndeedSample == false)
{
return;
}
// INVALID SAMPLE: Asking for particle specific data but have no valid particle index.
if (isWantedPropertyParticleRelated && finalParticleIndex < 0)
{
return;
}
samples[finalParticleIndex] = AmpsHelpers.GetSystemProperty(ownerBlueprint,
finalParticleIndex,
wantedProperty);
isValidSample[finalParticleIndex] = true;
}
}