def createUnaryOp(self, instruction, function, context):
self.createNode(instruction.value, function, context)
type = instruction.value.type
if (self.isBoolOnlyOp(instruction.op) and type != 'bool'):
raise Snixception(
instruction.offset, "Unary operation '" + instruction.op +
"' can only be applied to booleans!")
# Make last use references point to this node
if (hasattr(instruction.value, 'name')):
instruction.name = instruction.value.name
instruction.type = type
baseType = self.getBaseType(type)
if (baseType == 'float' or type == 'int'):
self.createNumericUnaryOp(instruction, function, context)
elif (instruction.op == '!'):
instruction.node = function.node.addNot(instruction.value.node)
else:
raise Snixception(
instruction.offset,
"Unknown unary operation '" + instruction.op + "'!")
if (context == 'For'):
instruction.node = function.node.addSet(instruction.name,
instruction.node,
instruction.type)
def createArrayRef(self, instruction, function, context):
self.createNode(instruction.variable, function, context)
if (instruction.subscript.nodeType != 'Constant'
or instruction.subscript.type != 'int'):
raise Snixception(
instruction.offset,
"Subscript index has to be a constant integer, Substance Designer does not support abstract indexing."
)
index = int(instruction.subscript.value)
type = instruction.variable.type
baseType = self.getBaseType(type)
typeSize = int(self.getTypeSize(instruction.variable.type))
if (index > typeSize or index < 0):
raise Snixception(instruction.offset, "Index out of bounds: '" + str(index) +\
"' (variable '" + instruction.variable.name + "' is size '" + str(typeSize - 1) + "')")
else:
if (baseType == 'float'):
instruction.node = function.node.addSwizzleFloat(
instruction.variable.node, str(index))
elif (baseType == 'int'):
instruction.node = function.node.addSwizzleInt(
instruction.variable.node, str(index))
else:
raise Snixception(
instruction.offset,
"Accessing indices is only supported on float and int type variables!"
)
instruction.type = baseType
def createVectorConnector(self, instruction, function, context):
node = None
valueCount = len(instruction.values)
if (valueCount > 1):
baseType = instruction.values[0].type
endDigit = re.match('(\d)$', baseType)
if (endDigit == None):
type = str(baseType) + str(valueCount)
if (valueCount > 4):
raise Snixception(instruction.offset,
"Vector overload: max vector size is 4!")
# Make sure all values are of the same type
for value in instruction.values:
if (value.type != baseType):
raise Snixception(instruction.offset, "Vector type mismatch: expected '" + baseType + \
"' but got '" + value.type + "'")
# Create the necessary vectors
if (type == 'float2' or type == 'float3' or type == 'float4'):
node = function.node.addVectorFloat(instruction.values[0].node,
instruction.values[1].node,
'float2')
if (type == 'float3'):
node = function.node.addVectorFloat(node,
instruction.values[2].node,
type)
if (type == 'float4'):
node2 = function.node.addVectorFloat(
instruction.values[2].node, instruction.values[3].node,
'float2')
node = function.node.addVectorFloat(node, node2, type)
if (type == 'int2' or type == 'int3' or type == 'int4'):
node = function.node.addVectorInt(instruction.values[0].node,
instruction.values[1].node,
type)
if (type == 'int3'):
node = function.node.addVectorInt(node,
instruction.values[2].node,
type)
if (type == 'int4'):
node2 = function.node.addVectorInt(instruction.values[2].node,
instruction.values[3].node,
'int2')
node = function.node.addVectorInt(node, node2, type)
if (node == None):
raise Snixception(instruction.offset,
"Unknown vector type '" + type + "'")
instruction.type = type
instruction.node = node
elif (valueCount == 1):
instruction.type = instruction.values[0].type
instruction.node = instruction.values[0].node
def createDeclare(self, instruction, function, context):
if (instruction.value != None):
self.createNode(instruction.value, function, context)
if (instruction.type == instruction.value.type):
instruction.node = instruction.value.node
else:
raise Snixception(instruction.offset, "Can't assign type '" + instruction.value.type + "' to type '" + \
instruction.type + "'")
else:
raise Snixception(
instruction.offset,
"Declaring a variable without a value is not allowed!")
def __init__(self, stmt):
self.nodeType = 'Input'
self.offset = stmt['coord']
self.offsetFix()
if (stmt['init'] != None):
raise Snixception(stmt['coord'], "You can't set a default value for a function parameter in Substance Designer! ('" + \
stmt['type']['declname'] + "' in function '" + self.name + "')")
if (stmt['_nodetype'] != 'Decl' or stmt['type']['_nodetype'] != 'TypeDecl'):
raise Snixception(stmt['coord'], "Unknown parameter type for function '" + self.name + "'")
self.value = DeclareNode(stmt)
self.name = self.value.name
self.label = re.sub('_', ' ', self.name).title()
def __init__(self, instruction):
self.nodeType = 'FuncCall'
self.offset = instruction['coord']
if (instruction['name']['_nodetype'] != 'ID'):
raise Snixception(instruction['coord'], "Only named functions can be called!")
self.name = instruction['name']['name']
self.args = self.getNode(instruction['args'])
self.offsetFix()
def createFunctionCall(self, instruction, function, context):
self.createNode(instruction.args, function, context)
name = instruction.name
if (self.isNativeFunction(name)):
self.createNativeCall(instruction, function, context)
else:
call = None
if (name == function.name):
raise Snixception(
instruction.offset,
"Substance Designer does not allow functions calling themselves! (In function: '"
+ name + "')")
for func in self.functions:
if (func.name == name):
call = func
break
if (instruction.args != None):
args = instruction.args.values
else:
args = []
if (call == None):
raise Snixception(
instruction.offset,
"Attempted to call undeclared function '" + name + "'!")
if (len(args) != len(call.inputs)):
raise Snixception(instruction.offset, "Function: '" + name + "' takes " +\
str(len(call.inputs)) + " parameter(s), not " + str(len(args)) + ".")
connections = []
for i, input in enumerate(call.inputs):
if (self.isTypeCompatible(args[i].type, input.type)):
connections.append((input.name, args[i].node))
else:
raise Snixception(instruction.offset, "Function '" + name + "' parameter '" + input.name + "' is of type '" + \
input.type + "', passed parameter is of type '" + args[i].type + "'")
instruction.type = call.type
instruction.name = call.name
instruction.node = function.node.addFunctionCall(name, connections)
def getNode(self, instruction):
if (instruction != None):
if (instruction['_nodetype'] == 'Constant'):
return ConstantNode(instruction)
elif (instruction['_nodetype'] == 'Decl'):
return DeclareNode(instruction)
elif (instruction['_nodetype'] == 'ID'):
return IDNode(instruction)
elif (instruction['_nodetype'] == 'Return'):
return ReturnNode(instruction)
elif (instruction['_nodetype'] == 'UnaryOp'):
return UnaryOpNode(instruction)
elif (instruction['_nodetype'] == 'Assignment'):
return AssignmentNode(instruction)
elif (instruction['_nodetype'] == 'BinaryOp'):
return BinaryOpNode(instruction)
elif (instruction['_nodetype'] == 'FuncCall'):
return FuncCallNode(instruction)
elif (instruction['_nodetype'] == 'ExprList'):
return ExprListNode(instruction)
elif (instruction['_nodetype'] == 'CompoundLiteral'):
return CompoundLiteralNode(instruction)
elif (instruction['_nodetype'] == 'InitList'):
return InitListNode(instruction)
elif (instruction['_nodetype'] == 'If'):
return IfNode(instruction)
elif (instruction['_nodetype'] == 'Compound'):
return CompoundNode(instruction)
elif (instruction['_nodetype'] == 'ArrayRef'):
return ArrayRefNode(instruction)
elif (instruction['_nodetype'] == 'Cast'):
return CastNode(instruction)
elif (instruction['_nodetype'] == 'EmptyStatement'):
return EmptyStatementNode(instruction)
elif (instruction['_nodetype'] == 'For'):
return ForNode(instruction)
elif (instruction['_nodetype'] == 'DeclList'):
return DeclListNode(instruction)
else:
if (instruction['coord'] != None):
raise Snixception(instruction['coord'], "Unknown node type '" + instruction['_nodetype'] + "'")
else:
raise Snixception('?', "Unknown node type '" + instruction['_nodetype'] + "'")
else:
return None
def createReturn(self, instruction, function, context):
self.createNode(instruction.value, function, context)
instruction.type = instruction.value.type
if (instruction.type == function.type):
function.output = instruction.value
else:
raise Snixception(instruction.offset, "Function '" + function.name + "' of type '" + function.type +\
"' cannot return type '" + instruction.type + "'!")
def getLastNodeTypeReference(self, nodeType, function):
for node in reversed(function.body.instructions):
if (node.nodeType == nodeType):
return node
if (node != None):
return node
raise Snixception(
instruction.offset, "Attempted to reference a non-existing '" +
nodeType + "' statement. Snix sad and confused! :(")
def getVariableDeclare(self, instruction, function, context):
node = self.getDeclareInBody(instruction.name, function.body, function)
if (node == None):
node = self.getOthersByName(instruction.name, function)
if (node != None):
return node
raise Snixception(
instruction.offset, "Attempted to use an undeclared variable '" +
instruction.name + "'. Snix sad and confused! :(")
def createMathOp(self, instruction, op, function, context):
scalarMulTypes = ['float2', 'float3', 'float4']
left = instruction.left.node
right = instruction.right.node
type = instruction.left.type
instruction.type = type
baseType = self.getBaseType(type)
if (type == 'int' or baseType == 'float'):
if (op == '+'):
instruction.node = function.node.addAdd(left, right, type)
elif (op == '-'):
instruction.node = function.node.addSubtract(left, right, type)
elif (op == '/'):
instruction.node = function.node.addDivide(left, right, type)
elif (op == '%'):
instruction.node = function.node.addMod(left, right, type)
elif (op == '*'):
if (instruction.left.type == instruction.right.type):
instruction.node = function.node.addMultiply(
left, right, type)
elif (instruction.left.type == 'float'
and instruction.right.type in scalarMulTypes):
instruction.node = function.node.addScalarMultiply(
right, left, instruction.right.type)
instruction.type = instruction.right.type
elif (instruction.right.type == 'float'
and instruction.left.type in scalarMulTypes):
instruction.node = function.node.addScalarMultiply(
left, right, instruction.left.type)
instruction.type = instruction.left.type
else:
raise Snixception(instruction.offset,
"Unsupported operand '" + op + "'")
else:
raise Snixception(
instruction.offset, "Operand '" + op +
"' is incompatible with type '" + type + "'!")
def compile(self, functions, outfile=None):
self.populateNativeData()
self.functions = []
for function in functions:
self.functions.append(self.createFunction(function))
if (function.output != None and function.output.node != None):
function.node.setOutput(function.output.node)
else:
raise Snixception(
function.offset, "Function '" + function.name +
"' has no return statement!")
snixel.compile(outfile)
def createAssignment(self, instruction, function, context):
if (context == 'For'): context = 'ForSet'
self.createNode(instruction.left, function, context)
if (context == 'ForSet'): context = 'ForGet'
self.createNode(instruction.right, function, context)
if (context == 'ForGet'): context = 'For'
if (instruction.left.nodeType == 'ID'):
instruction.type = instruction.left.type
instruction.name = instruction.left.name
baseOp = re.match('([\+\-\*\/])\=', instruction.op)
if (instruction.left.type == instruction.right.type):
if (instruction.op == '='):
if (context == 'For'):
instruction.node = function.node.addSet(
instruction.name, instruction.right.node,
instruction.type)
else:
instruction.node = instruction.right.node
elif (baseOp):
self.createMathOp(instruction, baseOp.group(1), function,
context)
else:
raise Snixception(
instruction.offset,
"Unsupported assign operand: '" + instruction.op + "'")
else:
raise Snixception(instruction.offset, "Can't assign type '" + instruction.right.type + "' to type '" + \
instruction.type + "'")
else:
raise Snixception(
instruction.offset,
"You can only assign values to variables. (Subscripting (assignign to index) also not yet supported.)"
)
def createIf(self, instruction, function, context):
self.createNode(instruction.iftrue, function, context)
self.createNode(instruction.iffalse, function, context)
self.createNode(instruction.condition, function, context)
if (instruction.iftrue.nodeType != 'Compound'
or instruction.iffalse.nodeType != 'Compound'):
raise Snixception(
instruction.offset,
'If statements need full compound bodies with curly brackets for both the true and false statements!'
)
nodeType = instruction.condition.nodeType
if (instruction.condition.type == 'bool'):
# Get the final nodes for connecting with the If node
trueNode = instruction.iftrue.instructions[
len(instruction.iftrue.instructions) - 1]
falseNode = instruction.iffalse.instructions[
len(instruction.iffalse.instructions) - 1]
if (not self.isTypeCompatible(trueNode.type, falseNode.type)):
raise Snixception(
instruction.offset,
"'If' statement expects type '" + trueNode.type +
"', but else outputs type '" + falseNode.type + "'!")
instruction.type = trueNode.type
instruction.node = function.node.addIf(instruction.condition.node,
trueNode.node,
falseNode.node,
instruction.type)
else:
raise Snixception(
instruction.offset,
"Cannot compare type '" + instruction.condition.type +
"' in if statement, boolean needed!")
def verifyNativeFunctionTypes(self, instruction, functionName):
func = self.getNativeFunctionByName(instruction.name)
type = func[0]
name = func[1]
args = func[2]
for i, value in enumerate(instruction.args.values):
acceptedList = ''
for j in range(len(args[i])):
acceptedList += args[i][j] + ', '
if (value.type not in args[i]):
raise Snixception(instruction.offset, "Parameter '" + str(i + 1) + "' of function '" + name +\
"' accepts type(s) '" + acceptedList[:-2] + "', but type '" + value.type + "' was passed!")
return 1
def createNode(self, instruction, function, context=None):
if (instruction != None):
if (instruction.nodeType == 'Declare'):
self.createDeclare(instruction, function, context)
elif (instruction.nodeType == 'Constant'):
self.createConstant(instruction, function, context)
elif (instruction.nodeType == 'ID'):
self.createID(instruction, function, context)
elif (instruction.nodeType == 'Return'):
self.createReturn(instruction, function, context)
elif (instruction.nodeType == 'UnaryOp'):
self.createUnaryOp(instruction, function, context)
elif (instruction.nodeType == 'Assignment'):
self.createAssignment(instruction, function, context)
elif (instruction.nodeType == 'BinaryOp'):
self.createBinaryOp(instruction, function, context)
elif (instruction.nodeType == 'FuncCall'):
self.createFunctionCall(instruction, function, context)
elif (instruction.nodeType == 'ExprList'):
self.createExpressionList(instruction, function, context)
elif (instruction.nodeType == 'CompoundLiteral'):
self.createCompoundLiteral(instruction, function, context)
elif (instruction.nodeType == 'InitList'):
self.createInitList(instruction, function, context)
elif (instruction.nodeType == 'If'):
self.createIf(instruction, function, context)
elif (instruction.nodeType == 'Compound'):
self.createCompound(instruction, function, context)
elif (instruction.nodeType == 'ArrayRef'):
self.createArrayRef(instruction, function, context)
elif (instruction.nodeType == 'Cast'):
self.createCast(instruction, function, context)
elif (instruction.nodeType == 'For'):
self.createFor(instruction, function, context)
elif (instruction.nodeType == 'DeclList'):
self.createDeclList(instruction, function, context)
elif (instruction.nodeType == 'EmptyStatement'):
pass
else:
raise Snixception(
instruction.offset, "Can't create node of unknown type '" +
instruction.nodeType +
"' (Internal error, please let developer know!)")
def createNumericUnaryOp(self, instruction, function, context):
op = instruction.op
type = instruction.value.type
if (op == '-'):
instruction.node = function.node.addNegate(instruction.value.node,
type)
elif (op == '--' or op == '++'):
right = self.createConstantWithValue('1', type, function)
if (op == '++'):
instruction.node = function.node.addAdd(
instruction.value.node, right.node, type)
else:
instruction.node = function.node.addSubtract(
instruction.value.node, right.node, type)
else:
raise Snixception(
instruction.offset,
"Unknown unary operation '" + instruction.op + "'!")
def createCast(self, instruction, function, context):
self.createNode(instruction.expression, function, context)
type = instruction.expression.type
toType = instruction.toType
if (type == 'int' and toType == 'float'):
instruction.node = function.node.addToFloat(
instruction.expression.node)
elif (type == 'float' and toType == 'int'):
instruction.node = function.node.addToInt(
instruction.expression.node)
elif (type == toType):
instruction.node = instruction.expression.node
else:
raise Snixception(
instruction.offset,
"Cannot cast from: type '" + type + "' to '" + toType + "'")
if (hasattr(instruction.expression, 'name')):
instruction.name = instruction.expression.name
instruction.type = toType
def createSystemNode(self, var, function):
type = var[0]
name = var[1]
if (self.isNativeVariable(name)):
sysNode = self.createNativeVar(var, function)
else:
if (name == 'true'):
sysNode = self.createConstantWithValue(1, type, function)
sysNode.name = var[1]
elif (name == 'false'):
sysNode = self.createConstantWithValue(0, type, function)
sysNode.name = var[1]
elif (name == '__if__'):
sysNode = self.getLastNodeTypeReference('If', function)
elif (name == '__for__'):
sysNode = self.getLastNodeTypeReference('For', function)
else:
raise Snixception(
'Internal',
"Attempted to create unknown system node '" + name + "'!")
return sysNode
def createFor(self, instruction, function, context):
self.createNode(instruction.condition, function, instruction.nodeType)
self.createNode(instruction.init, function, instruction.nodeType)
#self.createNode(instruction.next, function, instruction.nodeType)
self.createNode(instruction.body, function, instruction.nodeType)
if (instruction.condition.nodeType == 'ExprList'
or instruction.init.nodeType == 'ExprList'
or instruction.next.nodeType == 'ExprList'):
raise Snixception(
instruction.offset,
"For loops only support single init, next and condition statements at the moment!"
)
finalNode = instruction.body.instructions[
len(instruction.body.instructions) - 1]
type = finalNode.type
zeroNode = self.createConstantWithValue(0, type, function)
instruction.node = function.node.addIf(instruction.condition.node,
finalNode.node, zeroNode.node,
type)
instruction.condition.left = instruction.next
loops = self.getMaxForLoops(instruction, function, context)
for i in range(loops):
self.createNode(instruction.condition, function,
instruction.nodeType)
self.createNode(instruction.body, function, instruction.nodeType)
instruction.node = function.node.addIf(instruction.condition.node,
finalNode.node,
instruction.node, type)
instruction.type = type
def parse(self, body):
if (body['block_items'] != None):
for child in body['block_items']:
self.instructions.append(self.getNode(child))
else:
raise Snixception(body['coord'], "Empty bodies are not allowed!")
def getMaxForLoops(self, instruction, function, context):
loops = None
initVal = None
cond = instruction.condition
init = instruction.init
next = instruction.next
# Try to figure out the max amount of loops to create
if (cond.right.nodeType == 'Constant' and cond.nodeType == 'BinaryOp'
and init.nodeType == 'Assignment'):
if (next.nodeType == 'UnaryOp'):
op = next.op
var = next.value.name
condOp = cond.op
if (cond.left.nodeType == 'UnaryOp'
and cond.left.value.nodeType == 'ID'
and cond.right.nodeType == 'Constant'):
condVar = cond.left.value.name
condVal = int(cond.right.value)
if (init.right.nodeType == 'Constant'
and init.left.name == var and condVar == var):
initVal = int(init.right.value)
if (isinstance(initVal, int)):
if (condOp[0] == '<' and op == '++'):
if (initVal <= condVal):
if (condOp == '<'):
loops = condVal - initVal - 1
elif (condOp == '<='):
loops = condVal - initVal
else:
raise Snixception(
instruction.offset,
"That for loop looks like it would create an infinite number of loops!"
)
if (condOp[0] == '>' and op == '++'):
raise Snixception(instruction.offset,
"That for loop doesn't look right!")
if (condOp[0] == '>' and op == '--'):
if (initVal >= condVal):
if (condOp == '>'):
loops = initVal - condVal - 1
elif (condOp == '>'):
loops = initVal - condVal
else:
raise Snixception(
instruction.offset,
"That for loop looks like it would create an infinite number of loops!"
)
if (condOp[0] == '<' and op == '--'):
raise Snixception(instruction.offset,
"That for loop doesn't look right!")
if (loops == None):
loops = int(self.getDefinedValue('LOOP_MAX'))
print(
"Notice: Unable to discern loop max value, max loops will be LOOP_MAX. (LOOP_MAX = '"
+ str(loops) + "')")
if (loops >= 100):
print(
"Notice: That number of loops per pixel can get dangerously slow!"
)
return loops
def createBinaryOp(self, instruction, function, context):
ops = [
'&&', '||', '!', '!=', '==', '>', '>=', '<', '<=', '+', '-', '*',
'/', '%'
]
self.createNode(instruction.left, function, context)
self.createNode(instruction.right, function, context)
op = instruction.op
if (instruction.left.type != instruction.right.type and op != '*'):
raise Snixception(instruction.offset, "Cannot perform binary operation '" + instruction.op + "' on incompatible types '" + \
instruction.left.type + "' and '" + instruction.right.type + "'")
type = instruction.left.type
instruction.type = 'bool'
left = instruction.left.node
right = instruction.right.node
if (self.isTypeCompatible(instruction.left.type,
instruction.right.type) or op == '*'):
baseType = self.getBaseType(type)
if (type == 'bool'):
if (op == '&&'):
instruction.node = function.node.addAnd(left, right)
elif (op == '||'):
instruction.node = function.node.addOr(left, right)
elif (op == '!'):
instruction.node = function.node.addNot(left, right)
if ((type == 'bool' or type == 'int' or type == 'float')
and instruction.node == None):
if (op == '!='):
instruction.node = function.node.addNotEquals(
left, right, type)
elif (op == '=='):
instruction.node = function.node.addEquals(
left, right, type)
if (type == 'int' or type == 'float' and instruction.node == None):
if (op == '>'):
instruction.node = function.node.addGreaterThan(
left, right, type)
elif (op == '>='):
instruction.node = function.node.addGreaterOrEqual(
left, right, type)
elif (op == '<'):
instruction.node = function.node.addLessThan(
left, right, type)
elif (op == '<='):
instruction.node = function.node.addLessOrEqual(
left, right, type)
if ((type == 'int' or baseType == 'float')
and instruction.node == None):
self.createMathOp(instruction, op, function, context)
if (instruction.node == None):
if (op == '&&' or op == '||' or op == '!'):
exception = "Can only compare boolean values with '" + op + "'!"
elif (op in ops):
exception = "Operand '" + op + "' is incompatible with type '" + type + "'!"
else:
exception = "Unsupported binary operation '" + op + "'!"
raise Snixception(instruction.offset, exception)
else:
raise Snixception(
instruction.offset,
"Cannot perform binary operation on incompatible types!")
def createNativeCall(self, instruction, function, context):
func = self.getNativeFunctionByName(instruction.name)
type = func[0]
name = func[1]
args = func[2]
# Some native functions can output multiple types depending on the input
if (type == 'input'):
type = instruction.args.type
instruction.type = type
instruction.name = name
if (instruction.args == None):
argCount = 0
else:
argCount = len(instruction.args.values)
if (argCount != len(args)):
raise Snixception(instruction.offset, "Function '" + name + "' expects " + str(len(args)) + " parameter(s), but received "\
+ str(argCount) + "!")
a = instruction.args.values[0].node
argType = instruction.args.values[0].type
if (self.verifyNativeFunctionTypes(instruction, name)):
if (name == 'sample' or name == 'sampleGrayscale'):
instruction.node = function.node.addSampleGrayscale(a)
elif (name == 'sampleColor'):
instruction.node = function.node.addSampleColor(a)
elif (name == 'abs'):
instruction.node = function.node.addAbs(a, argType)
elif (name == 'floor'):
instruction.node = function.node.addFloor(a, argType)
elif (name == 'ceil'):
instruction.node = function.node.addCeil(a, argType)
elif (name == 'cos'):
instruction.node = function.node.addCos(a, argType)
elif (name == 'sin'):
instruction.node = function.node.addSin(a, argType)
elif (name == 'tan'):
instruction.node = function.node.addTan(a, argType)
elif (name == 'atan2'):
instruction.node = function.node.addArcTan2(a, argType)
elif (name == 'cartesian'):
b = instruction.args.values[1].node
instruction.node = function.node.addCartesian(a, b, argType)
elif (name == 'sqrt'):
instruction.node = function.node.addSqrt(a, argType)
elif (name == 'dot'):
b = instruction.args.values[1].node
instruction.node = function.node.addDot(a, b, argType)
elif (name == 'log'):
instruction.node = function.node.addLog(a, argType)
elif (name == 'exp'):
instruction.node = function.node.addExp(a, argType)
elif (name == 'log2'):
instruction.node = function.node.addLog2(a, argType)
elif (name == 'pow2'):
instruction.node = function.node.addPow2(a, argType)
elif (name == 'lerp'):
b = instruction.args.values[1].node
c = instruction.args.values[2].node
instruction.node = function.node.addLerp(a, b, c, argType)
elif (name == 'min'):
b = instruction.args.values[1].node
instruction.node = function.node.addMin(a, b, argType)
elif (name == 'max'):
b = instruction.args.values[1].node
instruction.node = function.node.addMax(a, b, argType)
elif (name == 'random'):
instruction.node = function.node.addRandom(a, argType)
elif (name == 'reflect'):
b = instruction.args.values[1].node
instruction.node = function.node.addReflect(a, b, argType)
elif (name == 'pow'):
b = instruction.args.values[1].node
instruction.node = function.node.addPow(a, b, argType)
else:
raise Snixception(instruction.offset, "Attempted to call undefined native function '" + instruction.name +\
"'. This is an internal error, please report to the developer!")