private void ExtractEdgesAndNodes()
{
var branchSymbolParentStack = new TmpNativeStack <BranchEvent>(5);
var currentNodeParent = -1;
for (int symbolIndex = 0; symbolIndex < inPlaceSymbols.Length; symbolIndex++)
{
var symbol = inPlaceSymbols[symbolIndex];
if (symbol == customSymbols.diffusionNode)
{
if (currentNodeParent >= 0)
{
var newEdge = new DiffusionEdge
{
nodeAIndex = currentNodeParent,
nodeBIndex = working.nodes.Length
};
working.allEdges.Add(newEdge);
}
currentNodeParent = working.nodes.Length;
var nodeParams = inPlaceSymbols.parameters[symbolIndex];
var newNode = new DiffusionNode
{
indexInTarget = symbolIndex,
targetParameters = nodeParams,
indexInTempAmountList = working.nodeAmountsListA.Length,
totalResourceTypes = (nodeParams.length - 1) / 2,
diffusionConstant = inPlaceSymbols.parameters[nodeParams, 0],
};
newNode.targetParameters.length = nodeParams.length;
working.nodes.Add(newNode);
for (int resourceType = 0; resourceType < newNode.totalResourceTypes; resourceType++)
{
var currentAmount = inPlaceSymbols.parameters[nodeParams, resourceType * 2 + 1];
var maxCapacity = inPlaceSymbols.parameters[nodeParams, resourceType * 2 + 1 + 1];
working.nodeAmountsListA.Add(currentAmount);
working.nodeAmountsListB.Add(0);
working.nodeMaxCapacities.Add(maxCapacity);
}
}
else if (symbol == customSymbols.diffusionAmount)
{
var modifiedNode = working.nodes[currentNodeParent];
var amountParameters = inPlaceSymbols.parameters[symbolIndex];
inPlaceSymbols.parameters[symbolIndex] = new JaggedIndexing
{
index = amountParameters.index,
length = 0
};
if (currentNodeParent < 0)
{
// problem: the amount will dissapear
continue;
}
for (int resourceType = 0; resourceType < modifiedNode.totalResourceTypes && resourceType < amountParameters.length; resourceType++)
{
working.nodeAmountsListA[modifiedNode.indexInTempAmountList + resourceType] += inPlaceSymbols.parameters[amountParameters, resourceType];
}
}
else if (symbol == customSymbols.branchOpenSymbol)
{
branchSymbolParentStack.Push(new BranchEvent
{
openBranchSymbolIndex = symbolIndex,
currentNodeParent = currentNodeParent
});
}
else if (symbol == customSymbols.branchCloseSymbol)
{
if (branchSymbolParentStack.Count <= 0)
{
// uh oh. idk how this is happening but it is. probably related to the volumetric destruction and autophagy.
break;
}
var lastBranchState = branchSymbolParentStack.Pop();
currentNodeParent = lastBranchState.currentNodeParent;
}
}
}
public void Execute()
{
for (int symbolIndex = 0; symbolIndex < symbols.Length; symbolIndex++)
{
var symbol = symbols[symbolIndex];
if (symbol == branchStartChar)
{
nativeTurtleStack.Push(currentState);
continue;
}
if (symbol == branchEndChar)
{
currentState = nativeTurtleStack.Pop();
continue;
}
if (customRules.hasIdentifiers && customRules.identifier == symbol)
{
currentState.organIdentity = new UIntFloatColor32(symbols.parameters[symbolIndex, 0]);
continue;
}
if (operationsByKey.TryGetValue(symbol, out var operation))
{
operation.Operate(
ref currentState,
newMeshSizeBySubmesh,
symbolIndex,
symbols,
organData,
organInstances,
volumetricHandles,
spawnEntityBuffer);
if (hasVolumetricDestruction && customRules.hasAutophagy && operation.operationType == TurtleOperationType.ADD_ORGAN)
{
// check for an operation which may have changed the position of the turtle
var turtlePosition = currentState.transformation.MultiplyPoint(Vector3.zero); // extract transformation
var voxelIndex = volumetricHandles.durabilityWriter.GetVoxelIndexFromLocalSpace(turtlePosition);
if (voxelIndex.IsValid)
{
var lastDestroyCommandTime = volumetricDestructionTimestamps[voxelIndex.Value];
if (lastDestroyCommandTime >= earliestValidDestructionCommand)
{
symbols[symbolIndex] = customRules.autophagicSymbol;
// TODO: can skipping over this whole branching structure work here? could save some time
}
}
}
}
}
var totalVertexes = 0;
var totalIndexes = 0;
for (int i = 0; i < newMeshSizeBySubmesh.Length; i++)
{
var meshSize = newMeshSizeBySubmesh[i];
meshSize.indexInVertexes = totalVertexes;
meshSize.indexInTriangles = totalIndexes;
totalVertexes += meshSize.totalVertexes;
totalIndexes += meshSize.totalTriangleIndexes;
newMeshSizeBySubmesh[i] = meshSize;
}
}
private void ExtractEdgesAndNodes()
{
var branchSymbolParentStack = new TmpNativeStack <BranchEvent>(5);
var currentNodeParent = -1;
for (int symbolIndex = 0; symbolIndex < sourceData.Length; symbolIndex++)
{
var symbol = sourceData[symbolIndex];
if (symbol == customSymbols.diffusionNode)
{
if (currentNodeParent >= 0)
{
var newEdge = new DiffusionEdge
{
nodeAIndex = currentNodeParent,
nodeBIndex = working.nodes.Length
};
working.allEdges.Add(newEdge);
}
currentNodeParent = working.nodes.Length;
var nodeParams = sourceData.parameters[symbolIndex];
var nodeSingleton = matchSingletonData[symbolIndex];
var newNode = new DiffusionNode
{
indexInTarget = nodeSingleton.replacementSymbolIndexing.index,
targetParameters = nodeSingleton.replacementParameterIndexing,
indexInTempAmountList = working.nodeAmountsListA.Length,
totalResourceTypes = (nodeParams.length - 1) / 2,
diffusionConstant = sourceData.parameters[nodeParams, 0],
};
newNode.targetParameters.length = nodeParams.length;
working.nodes.Add(newNode);
for (int resourceType = 0; resourceType < newNode.totalResourceTypes; resourceType++)
{
var currentAmount = sourceData.parameters[nodeParams, resourceType * 2 + 1];
var maxCapacity = sourceData.parameters[nodeParams, resourceType * 2 + 1 + 1];
working.nodeAmountsListA.Add(currentAmount);
working.nodeAmountsListB.Add(0);
working.nodeMaxCapacities.Add(maxCapacity);
}
}
else if (symbol == customSymbols.diffusionAmount)
{
var modifiedNode = working.nodes[currentNodeParent];
var amountParameters = sourceData.parameters[symbolIndex];
if (amountParameters.length == 0)
{
// the amount has no parameters left. removal will be happening via regular update
continue;
}
// clear out the parameters in the target string, and write the symbol over
var nodeSingleton = matchSingletonData[symbolIndex];
targetData.parameters[nodeSingleton.replacementSymbolIndexing.index] = new JaggedIndexing
{
index = nodeSingleton.replacementParameterIndexing.index,
length = 0
};
targetData[nodeSingleton.replacementSymbolIndexing.index] = customSymbols.diffusionAmount;
if (currentNodeParent < 0)
{
// problem: the amount will dissapear
continue;
}
for (int resourceType = 0; resourceType < modifiedNode.totalResourceTypes && resourceType < amountParameters.length; resourceType++)
{
working.nodeAmountsListA[modifiedNode.indexInTempAmountList + resourceType] += sourceData.parameters[amountParameters, resourceType];
}
}
else if (symbol == customSymbols.branchOpenSymbol)
{
branchSymbolParentStack.Push(new BranchEvent
{
openBranchSymbolIndex = symbolIndex,
currentNodeParent = currentNodeParent
});
}
else if (symbol == customSymbols.branchCloseSymbol)
{
var lastBranchState = branchSymbolParentStack.Pop();
currentNodeParent = lastBranchState.currentNodeParent;
}
}
}