// rebuilds the number of output slots, and also updates their ShaderStageCapability
void UpdateLayerOutputSlots(int layerCount, List <int> usedSlots = null)
{
for (int i = 0; i < kMaxLayers; i++)
{
int outputID = OutputSlotIds[i];
Vector4MaterialSlot outputSlot = FindSlot <Vector4MaterialSlot>(outputID);
if (i < layerCount)
{
// add or update it
if (outputSlot == null)
{
string outputName = OutputSlotNames[i];
outputSlot = new Vector4MaterialSlot(outputID, outputName, outputName, SlotType.Output, Vector4.zero, (noFeedback && m_LodCalculation == LodCalculation.VtLevel_Lod) ? ShaderStageCapability.All : ShaderStageCapability.Fragment);
AddSlot(outputSlot);
}
else
{
outputSlot.stageCapability = (noFeedback && m_LodCalculation == LodCalculation.VtLevel_Lod) ? ShaderStageCapability.All : ShaderStageCapability.Fragment;
}
if (usedSlots != null)
{
usedSlots.Add(outputID);
}
}
else
{
// remove it
if (outputSlot != null)
{
RemoveSlot(OutputSlotIds[i]);
}
}
}
outputLayerSlotCount = layerCount;
}
void UpdateLayerOutputSlots(bool inspectProperty, List <int> usedSlots = null)
{
// the default is to show all 4 slots, so we don't lose any existing connections
int layerCount = kMaxLayers;
if (inspectProperty)
{
var vtProperty = GetSlotProperty(VirtualTextureInputId) as VirtualTextureShaderProperty;
if (vtProperty != null)
{
layerCount = vtProperty?.value?.layers?.Count ?? kMaxLayers;
}
if (outputLayerSlotCount == layerCount)
{
if (usedSlots != null)
{
for (int i = 0; i < layerCount; i++)
{
usedSlots.Add(OutputSlotIds[i]);
}
}
return;
}
}
for (int i = 0; i < kMaxLayers; i++)
{
int outputID = OutputSlotIds[i];
Vector4MaterialSlot outputSlot = FindSlot <Vector4MaterialSlot>(outputID);
if (i < layerCount)
{
// add or update it
if (outputSlot == null)
{
string outputName = OutputSlotNames[i];
outputSlot = new Vector4MaterialSlot(outputID, outputName, outputName, SlotType.Output, Vector4.zero, (noFeedback && m_LodCalculation == LodCalculation.VtLevel_Lod) ? ShaderStageCapability.All : ShaderStageCapability.Fragment);
AddSlot(outputSlot);
}
else
{
outputSlot.stageCapability = (noFeedback && m_LodCalculation == LodCalculation.VtLevel_Lod) ? ShaderStageCapability.All : ShaderStageCapability.Fragment;
}
if (usedSlots != null)
{
usedSlots.Add(outputID);
}
}
else
{
// remove it
if (outputSlot != null)
{
RemoveSlot(OutputSlotIds[i]);
}
}
}
outputLayerSlotCount = layerCount;
}
public MaterialSlot CreateVectorSlot(int dimension, int id, string name, SlotType slotType, Vector4 value = default)
{
MaterialSlot slot = null;
switch (dimension)
{
case 1:
slot = new Vector1MaterialSlot(id, name, name, slotType, value.x);
break;
case 2:
slot = new Vector2MaterialSlot(id, name, name, slotType, value);
break;
case 3:
slot = new Vector3MaterialSlot(id, name, name, slotType, value);
break;
case 4:
slot = new Vector4MaterialSlot(id, name, name, slotType, value);
break;
}
return(slot);
}