public static VariableStruct CreateVariableStruct(ref FileStruct.TSAreaVariable tsAreaVariable)
{
VariableStruct ss = new VariableStruct();
ss.varName = Utils.CharsToString(tsAreaVariable.varName);
ss.varValue = tsAreaVariable.varValue;
return(ss);
}
public void Compile()
{
SourceCode = "// Auto generated shader (HLSL) \n\n";
// Create dictionaries
dictonaryInputStruct = new Dictionary<Node, VariableStruct>();
dictonaryOutputStruct = new Dictionary<Node, VariableStruct>();
// Varyings struct definition
SourceCode += "// Varying struct definition \n\n";
varyingIdentifier = "IOVaryings";
SourceCode += "struct " + varyingIdentifier + " {\n";
SourceCode += "\t float4 position;\n";
SourceCode += "\t float4 normal;\n";
SourceCode += "\t float4 camera;\n";
SourceCode += "};\n\n";
// Add all input and output structs definitions
SourceCode += "// Input and output struct definitions \n\n";
foreach (Node node in fileState.Nodes)
{
VariableStruct inputStruct = new VariableStruct(node, Variable.VariableType.Input);
dictonaryInputStruct[node] = inputStruct;
SourceCode += inputStruct.HLSLDescription;
VariableStruct outputStruct = new VariableStruct(node, Variable.VariableType.Output);
dictonaryOutputStruct[node] = outputStruct;
SourceCode += outputStruct.HLSLDescription;
}
// Find the output node
outputNode = null;
foreach (Node node in fileState.Nodes)
{
if (node.inode.IsOutputNode()) {
outputNode = node;
break;
}
}
dictionaryGetIdentifiers = new Dictionary<Node, string>();
if (outputNode == null)
return;
// Add all execute functions
SourceCode += "// Execution functions \n\n";
dictionaryExecuteIdentifiers = new Dictionary<Node, string>();
foreach (Node node in fileState.Nodes)
{
VariableStruct inputStruct = dictonaryInputStruct[node];
VariableStruct outputStruct = dictonaryOutputStruct[node];
string outputType = outputStruct.Identifier;
if (node == outputNode)
outputType = inputStruct.Identifier;
string executionIdentifier = "exec" + getUniqueID();
dictionaryExecuteIdentifiers[node] = executionIdentifier;
SourceCode += outputType + " " + executionIdentifier + "(" + varyingIdentifier + " varyings, " + inputStruct.Identifier + " input) {\n";
SourceCode += "\t" + outputType + " output;\n";
Dictionary<Variable, string> mergedDictionary = new Dictionary<Variable,string>();
foreach (Variable variable in inputStruct.dictonaryVariableIdentifiers.Keys)
mergedDictionary[variable] = inputStruct.dictonaryVariableIdentifiers[variable];
foreach (Variable variable in outputStruct.dictonaryVariableIdentifiers.Keys)
mergedDictionary[variable] = outputStruct.dictonaryVariableIdentifiers[variable];
SourceCode += node.inode.GetSource(mergedDictionary);
SourceCode += "\treturn output;\n";
SourceCode += "}\n\n";
}
// Add all get functions
SourceCode += "// Get functions \n\n";
generateGetFunctions(outputNode);
// Add the interface function
SourceCode += "float4 getColor(float4 position, float4 normal, float4 camera) {\n";
SourceCode += "\t" + varyingIdentifier + " varyings;\n";
SourceCode += "\tvaryings.position = position;\n";
SourceCode += "\tvaryings.normal = normal;\n";
SourceCode += "\tvaryings.camera = camera;\n";
SourceCode += "\t" + dictonaryInputStruct[outputNode].Identifier + " output;\n";
SourceCode += "\toutput = " + dictionaryGetIdentifiers[outputNode] + "(varyings); \n\n";
string outputVarName = dictonaryInputStruct[outputNode].dictonaryVariableIdentifiers[outputNode.Variables[0]];
if (outputNode.Variables[0].InputType == Variable.InputTypes.Link && outputNode.Variables[0].GetLinks().Count == 1)
{
if (outputNode.Variables[0].GetLinks()[0].OutputVariable.IsFloat4())
SourceCode += "\tfloat4 color = output." + outputVarName + ";\n";
else if (outputNode.Variables[0].GetLinks()[0].OutputVariable.IsFloat3())
SourceCode += "\tfloat4 color = float4(output." + outputVarName + ", 1);\n";
else if (outputNode.Variables[0].GetLinks()[0].OutputVariable.IsFloat2())
SourceCode += "\tfloat4 color = float4(output." + outputVarName + ", 0, 1);\n";
else
SourceCode += "\tfloat4 color = float4(output." + outputVarName + ", output." + outputVarName + ", output." + outputVarName + ", 1);\n";
}
else
{
SourceCode += "\tfloat4 color = output." + outputVarName + ";\n";
}
SourceCode += "\treturn color;\n";
SourceCode += "}\n";
}