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Opcodes.py
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Opcodes.py
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from .OpcodeBaseTypes import Opcode, Opcode_DS, Opcode_DSS, Opcode_SDD
from .OpcodeBaseTypes import Opcode_DSSS, Opcode_DSI, Opcode_DIS, Opcode_D
from .OpcodeBaseTypes import Opcode_basicMath1, Opcode_basicMath
from .OSOVariable import OSOVariable
def float_range(start, stop, step):
while start < stop:
yield start
start += step
class Opcode_nop(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
def Generate(self, nodeGraph):
pass
class Opcode_assign(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
# same datatypes can just be assigned
# int->float can just be assigned
if ((self.Destination.dataType == self.Source.dataType) or
(self.Destination.IsFloat() and self.Source.IsInt())):
nodeGraph.Assign(self.Destination, self.Source)
# color/point/vector can be mixed
elif (self.Destination.IsPointLike() and self.Source.IsPointLike()):
nodeGraph.Assign(self.Destination, self.Source)
elif (self.Destination.IsInt() and self.Source.IsFloat()):
# int->float needs to be floored
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source)
node.SetProperty("inputs[1].default_value", "0.5")
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ROUND")
node2.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(node2, 0, node, 0)
nodeGraph.SetVar(self.Destination, node2, 0)
elif (self.Destination.IsPointLike() and self.Source.IsNumeric()):
nodeGraph.Assign(self.Destination, self.Source)
else:
print("Unhandled assign %s->%s" %
(self.Source.dataType, self.Destination.dataType))
class Opcode_return(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
def Generate(self, nodeGraph):
pass
class Opcode_dot(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeVectorMath')
node.SetProperty("operation", "DOT_PRODUCT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
nodeGraph.SetVar(self.Destination, node, 1)
class Opcode_length(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeSeparateXYZ')
nodeGraph.AddLink(node, 0, self.Source)
nodex = nodeGraph.CreateNode('ShaderNodeMath')
nodex.SetProperty("operation", "MULTIPLY")
nodeGraph.AddNodeLink(nodex, 0, node, 0)
nodeGraph.AddNodeLink(nodex, 1, node, 0)
nodey = nodeGraph.CreateNode('ShaderNodeMath')
nodey.SetProperty("operation", "MULTIPLY")
nodeGraph.AddNodeLink(nodey, 0, node, 1)
nodeGraph.AddNodeLink(nodey, 1, node, 1)
nodez = nodeGraph.CreateNode('ShaderNodeMath')
nodez.SetProperty("operation", "MULTIPLY")
nodeGraph.AddNodeLink(nodez, 0, node, 2)
nodeGraph.AddNodeLink(nodez, 1, node, 2)
node_add_xy = nodeGraph.CreateNode('ShaderNodeMath')
node_add_xy.SetProperty("operation", "ADD")
nodeGraph.AddNodeLink(node_add_xy, 0, nodex, 0)
nodeGraph.AddNodeLink(node_add_xy, 1, nodey, 0)
node_add_xyz = nodeGraph.CreateNode('ShaderNodeMath')
node_add_xyz.SetProperty("operation", "ADD")
nodeGraph.AddNodeLink(node_add_xyz, 0, node_add_xy, 0)
nodeGraph.AddNodeLink(node_add_xyz, 1, nodez, 0)
node_pow = nodeGraph.CreateNode('ShaderNodeMath')
node_pow.SetProperty("operation", "POWER")
nodeGraph.AddNodeLink(node_pow, 0, node_add_xyz, 0)
node_pow.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.SetVar(self.Destination, node_pow, 0)
class Opcode_sqrt(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if (self.Source.IsNumeric()):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "POWER")
nodeGraph.AddLink(node, 0, self.Source)
node.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.SetVar(self.Destination, node, 0)
elif (self.Source.IsPointLike()):
node = nodeGraph.CreateNode('ShaderNodeSeparateXYZ')
nodeGraph.AddLink(node, 0, self.Source)
nodex = nodeGraph.CreateNode("ShaderNodeMath")
nodex.SetProperty("operation", "POWER")
nodex.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(nodex, 0, node, 0)
nodey = nodeGraph.CreateNode("ShaderNodeMath")
nodey.SetProperty("operation", "POWER")
nodey.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(nodey, 0, node, 1)
nodez = nodeGraph.CreateNode("ShaderNodeMath")
nodez.SetProperty("operation", "POWER")
nodez.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(nodez, 0, node, 2)
nodeOut = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddNodeLink(nodeOut, 0, nodex, 0)
nodeGraph.AddNodeLink(nodeOut, 1, nodey, 0)
nodeGraph.AddNodeLink(nodeOut, 2, nodez, 0)
nodeGraph.SetVar(self.Destination, nodeOut, 0)
class Opcode_neg(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "MULTIPLY")
nodeGraph.AddLink(node, 0, self.Source)
node.SetProperty("inputs[1].default_value", "-1")
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_floor(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source)
node.SetProperty("inputs[1].default_value", "0.5")
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ROUND")
node2.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(node2, 0, node, 0)
nodeGraph.SetVar(self.Destination, node2, 0)
class Opcode_ceil(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "ADD")
nodeGraph.AddLink(node, 0, self.Source)
node.SetProperty("inputs[1].default_value", "0.5")
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ROUND")
node2.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(node2, 0, node, 0)
nodeGraph.SetVar(self.Destination, node2, 0)
class Opcode_abs(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'ABSOLUTE')
class Opcode_exp(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "POWER")
node.SetProperty("inputs[0].default_value", "2.718281828459")
nodeGraph.AddLink(node, 1, self.Source)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_sign(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "ABSOLUTE")
nodeGraph.AddLink(node, 0, self.Source)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "DIVIDE")
nodeGraph.AddNodeLink(node2, 0, node, 0)
nodeGraph.AddLink(node2, 1, self.Source)
nodeGraph.SetVar(self.Destination, node2, 0)
class Opcode_sincos(Opcode_SDD):
def __init__(self, OSO, index):
Opcode_SDD.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SINE")
nodeGraph.AddLink(node, 0, self.Source)
nodeGraph.SetVar(self.Destination1, node, 0)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "COSINE")
nodeGraph.AddLink(node2, 0, self.Source)
nodeGraph.SetVar(self.Destination2, node, 0)
class Opcode_distance(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode("ShaderNodeVectorMath")
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
node2 = nodeGraph.CreateNode('ShaderNodeVectorMath')
node2.SetProperty("operation", "DOT_PRODUCT")
nodeGraph.AddNodeLink(node2, 0, node, 0)
nodeGraph.AddNodeLink(node2, 1, node, 0)
node3 = nodeGraph.CreateNode('ShaderNodeMath')
node3.SetProperty("operation", "POWER")
nodeGraph.AddNodeLink(node3, 0, node2, 1)
node3.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.SetVar(self.Destination, node3, 0)
class Opcode_smoothstep(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
self.Destination = OSO.GetVariable(self.Instuction.Parameters[0])
self.Source1 = OSO.GetVariable(self.Instuction.Parameters[1])
self.Source2 = OSO.GetVariable(self.Instuction.Parameters[2])
self.Fac = OSO.GetVariable(self.Instuction.Parameters[3])
def Destination(self):
return self.Destination
def Source1(self):
return self.Source1
def Source2(self):
return self.Source2
def Fac(self):
return self.Fac
def Generate(self, nodeGraph):
# (fac - Source1)
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Fac)
nodeGraph.AddLink(node, 1, self.Source1)
# (source2 - source1)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node2, 0, self.Source2)
nodeGraph.AddLink(node2, 1, self.Source1)
# clamp ((fac - Source1) / (source2 - source1))
node3 = nodeGraph.CreateNode('ShaderNodeMath')
node3.SetProperty("operation", "DIVIDE")
node3.SetProperty("use_clamp", "1")
nodeGraph.AddNodeLink(node3, 0, node, 0)
nodeGraph.AddNodeLink(node3, 1, node2, 0)
nodeGraph.SetVar(self.Destination, node3, 0)
# TODO polynomal
class Opcode_fabs(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'ABSOLUTE')
class Opcode_cos(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'COSINE')
class Opcode_acos(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'ARCCOSINE')
class Opcode_asin(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'ARCSINE')
class Opcode_atan(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'ARCTANGENT')
class Opcode_sin(Opcode_basicMath1):
def __init__(self, OSO, index):
Opcode_basicMath1.__init__(self, OSO, index, 'SINE')
class Opcode_min(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "MINIMUM")
class Opcode_max(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "MAXIMUM")
class Opcode_div(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "DIVIDE")
class Opcode_mul(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "MULTIPLY")
class Opcode_pow(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "POWER")
class Opcode_add(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "ADD")
# https://blenderartists.org/forum/showthread.php?420857-What-can-you-do-with-lyapuno-and-mandelbrot-procedural-nodes&p=3184448&viewfull=1#post3184448
class Opcode_atan2(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddLink(node, 0, self.Source2)
nodeGraph.AddLink(node, 1, self.Source1)
grad = nodeGraph.CreateNode('ShaderNodeTexGradient')
grad.SetProperty("gradient_type", "'RADIAL'")
nodeGraph.AddNodeLink(grad, 0, node, 0)
nodem1 = nodeGraph.CreateNode('ShaderNodeMath')
nodem1.SetProperty("operation", "SUBTRACT")
nodem1.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(nodem1, 0, grad, 1)
nodem2 = nodeGraph.CreateNode('ShaderNodeMath')
nodem2.SetProperty("operation", "MULTIPLY")
nodem2.SetProperty("inputs[1].default_value", "6.2831854")
nodeGraph.AddNodeLink(nodem2, 0, nodem1, 0)
nodeGraph.SetVar(self.Destination, nodem2, 0)
class Opcode_xor(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
nodem1 = nodeGraph.CreateNode('ShaderNodeMath')
nodeGraph.AddLink(nodem1, 0, self.Source2)
nodeGraph.AddLink(nodem1, 1, self.Source1)
nodem1.SetProperty("operation", "ADD")
nodem2 = nodeGraph.CreateNode('ShaderNodeMath')
nodem2.SetProperty("operation", "MODULO")
nodem2.SetProperty("inputs[1].default_value", "2")
nodeGraph.AddNodeLink(nodem2, 0, nodem1, 0)
nodeGraph.SetVar(self.Destination, nodem2, 0)
class Opcode_sub(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "SUBTRACT")
class Opcode_fmod(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "MODULO")
# mod(a,b) = A-B*(floor(a/b))
class Opcode_mod(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
# a/b
node_adivb = nodeGraph.CreateNode('ShaderNodeMath')
nodeGraph.AddLink(node_adivb, 0, self.Source1)
nodeGraph.AddLink(node_adivb, 1, self.Source2)
node_adivb.SetProperty("operation", "DIVIDE")
# ((a/b)-0.5)
node_floor1 = nodeGraph.CreateNode('ShaderNodeMath')
node_floor1.SetProperty("inputs[1].default_value", "0.5")
node_floor1.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(node_floor1, 0, node_adivb, 0)
# round((a/b)-0.5) = floor(a/b)
node_floor2 = nodeGraph.CreateNode('ShaderNodeMath')
node_floor2.SetProperty("operation", "ROUND")
node_floor2.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(node_floor2, 0, node_floor1, 0)
# B * floor(a/b)
node_mul = nodeGraph.CreateNode('ShaderNodeMath')
node_mul.SetProperty("operation", "MULTIPLY")
nodeGraph.AddLink(node_mul, 0, self.Source2)
nodeGraph.AddNodeLink(node_mul, 1, node_floor2, 0)
# A - B * floor(a/b)
node_sub = nodeGraph.CreateNode('ShaderNodeMath')
node_sub.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node_sub, 0, self.Source1)
nodeGraph.AddNodeLink(node_sub, 1, node_mul, 0)
# set output
nodeGraph.SetVar(self.Destination, node_sub, 0)
class Opcode_lt(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "LESS_THAN")
# todo le != lt, equal bit is missing...
class Opcode_le(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "LESS_THAN")
class Opcode_gt(Opcode_basicMath):
def __init__(self, OSO, index):
Opcode_basicMath.__init__(self, OSO, index, "GREATER_THAN")
class Opcode_ge(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ABSOLUTE")
nodeGraph.AddNodeLink(node2, 0, node, 0)
node3 = nodeGraph.CreateNode('ShaderNodeMath')
node3.SetProperty("operation", "LESS_THAN")
nodeGraph.AddNodeLink(node3, 0, node2, 0)
node3.SetProperty("inputs[1].default_value", "0.000001")
nodeGraph.SetVar(self.Destination, node3, 0)
# Greater
node4 = nodeGraph.CreateNode('ShaderNodeMath')
node4.SetProperty("operation", "GREATER_THAN")
nodeGraph.AddLink(node4, 0, self.Source1)
nodeGraph.AddLink(node4, 1, self.Source2)
# Greater + equal
node5 = nodeGraph.CreateNode('ShaderNodeMath')
node5.SetProperty("operation", "ADD")
nodeGraph.AddNodeLink(node5, 0, node3, 0)
nodeGraph.AddNodeLink(node5, 1, node4, 0)
# //Greater + equal > 1
node6 = nodeGraph.CreateNode("ShaderNodeMath")
node6.SetProperty("operation", "GREATER_THAN")
node6.SetProperty("inputs[1].default_value", "0.999")
nodeGraph.AddNodeLink(node6, 0, node5, 0)
nodeGraph.SetVar(self.Destination, node6, 0)
class Opcode_eq(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ABSOLUTE")
nodeGraph.AddNodeLink(node2, 0, node, 0)
node3 = nodeGraph.CreateNode('ShaderNodeMath')
node3.SetProperty("operation", "LESS_THAN")
nodeGraph.AddNodeLink(node3, 0, node2, 0)
node3.SetProperty("inputs[1].default_value", "0.000001")
nodeGraph.SetVar(self.Destination, node3, 0)
class Opcode_aassign(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if not self.Source1.IsConst():
print("only const array access is supported")
if not self.Destination.IsArray():
print("Target not an array")
destvar = self.Destination.Name + "_" + self.Source1.defaults[0]
nodeGraph.AAssign(destvar, self.Source2)
class Opcode_aref(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if not self.Source2.IsConst():
print("only const array access is supported")
if not self.Source1.IsArray():
print("Target not an array")
sourcevar = self.Source1.Name + "_" + self.Source2.defaults[0]
nodeGraph.ARef(self.Destination, sourcevar)
class Opcode_neq(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeMath')
node.SetProperty("operation", "SUBTRACT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
node2 = nodeGraph.CreateNode('ShaderNodeMath')
node2.SetProperty("operation", "ABSOLUTE")
nodeGraph.AddNodeLink(node2, 0, node, 0)
node3 = nodeGraph.CreateNode('ShaderNodeMath')
node3.SetProperty("operation", "GREATER_THAN")
nodeGraph.AddNodeLink(node3, 0, node2, 0)
node3.SetProperty("inputs[1].default_value", "0.00001")
nodeGraph.SetVar(self.Destination, node3, 0)
class Opcode_point(Opcode_DSSS):
def __init__(self, OSO, index):
Opcode_DSSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
nodeGraph.AddLink(node, 2, self.Source3)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_vector(Opcode_DSSS):
def __init__(self, OSO, index):
Opcode_DSSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
nodeGraph.AddLink(node, 2, self.Source3)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_color(Opcode_vector):
def __init__(self, OSO, index):
Opcode_vector.__init__(self, OSO, index)
class Opcode_mix(Opcode_DSSS):
def __init__(self, OSO, index):
Opcode_DSSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if not self.Source3.IsFloat():
print("mix only possible with float alpha")
node = nodeGraph.CreateNode("ShaderNodeMixRGB")
nodeGraph.AddLink(node, 0, self.Source3)
nodeGraph.AddLink(node, 1, self.Source1)
nodeGraph.AddLink(node, 2, self.Source2)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_normalize(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode("ShaderNodeVectorMath")
node.SetProperty("operation", "NORMALIZE")
nodeGraph.AddLink(node, 0, self.Source)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_backfacing(Opcode_D):
def __init__(self, OSO, index):
Opcode_D.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode("ShaderNodeGeometry")
nodeGraph.SetVar(self.Destination, node, 6)
class Opcode_isconnected(Opcode_DS):
def __init__(self, OSO, index):
Opcode_DS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode('ShaderNodeValue')
node.SetProperty('outputs[0].default_value', 1)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_cross(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode("ShaderNodeVectorMath")
node.SetProperty("operation", "CROSS_PRODUCT")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_step(Opcode_DSS):
def __init__(self, OSO, index):
Opcode_DSS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
node = nodeGraph.CreateNode("ShaderNodeMath")
node.SetProperty("operation", "LESS_THAN")
nodeGraph.AddLink(node, 0, self.Source1)
nodeGraph.AddLink(node, 1, self.Source2)
nodeGraph.SetVar(self.Destination, node, 0)
class Opcode_noise(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
self.Destination = OSO.GetVariable(self.Instuction.Parameters[0])
if (len(self.Instuction.Parameters) == 3):
self.Source1 = OSO.GetVariable(self.Instuction.Parameters[1])
self.Source2 = OSO.GetVariable(self.Instuction.Parameters[2])
elif (len(self.Instuction.Parameters) == 2):
self.Source1 = OSOVariable('const string uperlin "uperlin"')
self.Source2 = OSO.GetVariable(self.Instuction.Parameters[1])
if (len(self.Instuction.Parameters) == 4): #TODO: period is ignored.
self.Source1 = OSO.GetVariable(self.Instuction.Parameters[1])
self.Source2 = OSO.GetVariable(self.Instuction.Parameters[2])
def Destination(self):
return self.Destination
def Source1(self):
return self.Source1
def Source2(self):
return self.Source2
def Generate(self, nodeGraph):
if self.Source1.defaults[0] in ['"uperlin"','"noise"'] :
node = nodeGraph.CreateNode("ShaderNodeTexNoise")
node.SetProperty("inputs[1].default_value", "1.0")
node.SetProperty("inputs[2].default_value", "0.0")
node.SetProperty("inputs[3].default_value", "0.0")
nodeGraph.AddLink(node, 0, self.Source2)
if (self.Destination.IsFloat()):
nodeGraph.SetVar(self.Destination, node, 1)
elif (self.Destination.IsPointLike()):
nodeGraph.SetVar(self.Destination, node, 0)
if self.Source1.defaults[0] in ['"perlin"','"snoise"',"perlin","snoise"] :
node = nodeGraph.CreateNode("ShaderNodeTexNoise")
node.SetProperty("inputs[1].default_value", "1.0")
node.SetProperty("inputs[2].default_value", "0.0")
node.SetProperty("inputs[3].default_value", "0.0")
nodeGraph.AddLink(node, 0, self.Source2)
if (self.Destination.IsFloat()):
# ShaderNodeTexNoise outputs 0..1 , perlin output -1..1 , adjust by val = (val - 0.5)*2
node2 = nodeGraph.CreateNode("ShaderNodeMath")
node2.SetProperty("operation", "SUBTRACT")
node2.SetProperty("inputs[1].default_value", "0.5")
nodeGraph.AddNodeLink(node2, 0, node, 0)
node3 = nodeGraph.CreateNode("ShaderNodeMath")
node3.SetProperty("operation", "MULTIPLY")
node3.SetProperty("inputs[1].default_value", "2")
nodeGraph.AddNodeLink(node3, 0, node2, 0)
nodeGraph.SetVar(self.Destination, node3, 0)
elif (self.Destination.IsPointLike()):
# split the source vector
nodesplit = nodeGraph.CreateNode('ShaderNodeSeparateXYZ')
nodeGraph.AddNodeLink(nodesplit, 0, node, 0)
# floor the individial components
nodex = nodeGraph.CreateNode('ShaderNodeMath')
nodex.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodex, 0, nodesplit, 0)
nodex.SetProperty("inputs[1].default_value", "0.5")
nodex1 = nodeGraph.CreateNode('ShaderNodeMath')
nodex1.SetProperty("operation", "MULTIPLY")
nodex1.SetProperty("inputs[1].default_value", "2")
nodeGraph.AddNodeLink(nodex1, 0, nodex, 0)
nodey = nodeGraph.CreateNode('ShaderNodeMath')
nodey.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodey, 0, nodesplit, 1)
nodey.SetProperty("inputs[1].default_value", "0.5")
nodey1 = nodeGraph.CreateNode('ShaderNodeMath')
nodey1.SetProperty("operation", "MULTIPLY")
nodey1.SetProperty("inputs[1].default_value", "2")
nodeGraph.AddNodeLink(nodey1, 0, nodey, 0)
nodez = nodeGraph.CreateNode('ShaderNodeMath')
nodez.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodez, 0, nodesplit, 2)
nodez.SetProperty("inputs[1].default_value", "0.5")
nodez1 = nodeGraph.CreateNode('ShaderNodeMath')
nodez1.SetProperty("operation", "MULTIPLY")
nodez1.SetProperty("inputs[1].default_value", "2")
nodeGraph.AddNodeLink(nodez1, 0, nodez, 0)
# merge back into a vector
mergevec = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddNodeLink(mergevec, 0, nodex1, 0)
nodeGraph.AddNodeLink(mergevec, 1, nodey1, 0)
nodeGraph.AddNodeLink(mergevec, 2, nodez1, 0)
nodeGraph.SetVar(self.Destination, mergevec, 0)
else:
print("unknown noise target")
if self.Source1.defaults[0] in ['"cell"','cell'] :
# split the source vector
node = nodeGraph.CreateNode('ShaderNodeSeparateXYZ')
nodeGraph.AddLink(node, 0, self.Source2)
# floor the individial components
nodex = nodeGraph.CreateNode('ShaderNodeMath')
nodex.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodex, 0, node, 0)
nodex.SetProperty("inputs[1].default_value", "0.5")
nodex1 = nodeGraph.CreateNode('ShaderNodeMath')
nodex1.SetProperty("operation", "ROUND")
nodeGraph.AddNodeLink(nodex1, 0, nodex, 0)
nodey = nodeGraph.CreateNode('ShaderNodeMath')
nodey.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodey, 0, node, 1)
nodey.SetProperty("inputs[1].default_value", "0.5")
nodey1 = nodeGraph.CreateNode('ShaderNodeMath')
nodey1.SetProperty("operation", "ROUND")
nodeGraph.AddNodeLink(nodey1, 0, nodey, 0)
nodez = nodeGraph.CreateNode('ShaderNodeMath')
nodez.SetProperty("operation", "SUBTRACT")
nodeGraph.AddNodeLink(nodez, 0, node, 2)
nodez.SetProperty("inputs[1].default_value", "0.5")
nodez1 = nodeGraph.CreateNode('ShaderNodeMath')
nodez1.SetProperty("operation", "ROUND")
nodeGraph.AddNodeLink(nodez1, 0, nodez, 0)
# merge back into a vector
floorvec = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
nodeGraph.AddNodeLink(floorvec, 0, nodex1, 0)
nodeGraph.AddNodeLink(floorvec, 1, nodey1, 0)
nodeGraph.AddNodeLink(floorvec, 2, nodez1, 0)
# get some cell noise
vor = nodeGraph.CreateNode('ShaderNodeTexVoronoi')
vor.SetProperty("coloring", "'CELLS'")
nodeGraph.AddNodeLink(vor, 0, floorvec, 0)
# if the destination is a vector, just assign it
if (self.Destination.IsPointLike()):
nodeGraph.SetVar(self.Destination, vor, 0)
else: # if it is a number, split the color and pick the first channel, the fact output of the texture averages the rgb channels and ruins the nice flat 0..1 distribution
nodeSplit = nodeGraph.CreateNode('ShaderNodeSeparateXYZ')
nodeGraph.AddNodeLink(nodeSplit, 0, vor, 0)
nodeGraph.SetVar(self.Destination, nodeSplit, 0)
else:
print("unsupporte noise type %s" % self.Source1.defaults[0])
class Opcode_compassign(Opcode_DIS):
def __init__(self, OSO, index):
Opcode_DIS.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if '$const' not in self.Index.Name:
print("compref only possible with const index")
if not self.Destination.IsPointLike():
print("compref only possible on point like types")
idx = int(self.Index.defaults[0])
nodeIn = nodeGraph.CreateNode("ShaderNodeSeparateXYZ")
nodeGraph.AddLink(nodeIn, 0, self.Destination)
nodeOut = nodeGraph.CreateNode('ShaderNodeCombineXYZ')
if idx != 0:
nodeGraph.AddNodeLink(nodeOut, 0, nodeIn, 0)
if idx != 1:
nodeGraph.AddNodeLink(nodeOut, 1, nodeIn, 1)
if idx != 2:
nodeGraph.AddNodeLink(nodeOut, 2, nodeIn, 2)
nodeGraph.AddLink(nodeOut, idx, self.Source)
nodeGraph.SetVar(self.Destination, nodeOut, 0)
class Opcode_compref(Opcode_DSI):
def __init__(self, OSO, index):
Opcode_DSI.__init__(self, OSO, index)
def Generate(self, nodeGraph):
if '$const' not in self.Index.Name:
print("compref only possible with const index")
if not self.Source.IsPointLike():
print("compref only possible on point like types")
idx = int(self.Index.defaults[0])
node = nodeGraph.CreateNode("ShaderNodeSeparateXYZ")
nodeGraph.SetVar(self.Destination, node, idx)
nodeGraph.AddLink(node, 0, self.Source)
class Opcode_end(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
def Generate(self, nodeGraph):
pass
class Opcode_functioncall(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
self.Instructions = []
self.FunctionEnd = int(self.Instuction.Parameters[1])
idx = index + 1
while (idx < self.FunctionEnd):
instance = OSO.MakeOpcode(idx)
self.Instructions.append(instance)
idx = instance.NextIndex()
def NextIndex(self):
return self.FunctionEnd
def Generate(self, nodeGraph):
for inst in self.Instructions:
inst.Generate(nodeGraph)
class Opcode_if_vars:
def __init__(self):
self.InitialValue = {}
self.TrueValue = {}
self.FalseValue = {}
class basicLoop(Opcode):
def __init__(self, OSO, index):
Opcode.__init__(self, OSO, index)
self.Condition = OSO.GetVariable(self.Instuction.Parameters[0])
self.InitLabel = int(self.Instuction.Parameters[1])
self.IterLabel = int(self.Instuction.Parameters[2])
self.BodyLabel = int(self.Instuction.Parameters[3])
self.DoneLabel = int(self.Instuction.Parameters[4])
self.InitCode = []
self.IterCode = []
self.BodyCode = []
self.DoneCode = []
idx = index + 1
while (idx <= self.InitLabel):
instance = OSO.MakeOpcode(idx)
self.InitCode.append(instance)
idx = instance.NextIndex()
while (idx <= self.IterLabel):
instance = OSO.MakeOpcode(idx)
self.IterCode.append(instance)
idx = instance.NextIndex()
while (idx <= self.BodyLabel):
instance = OSO.MakeOpcode(idx)
self.BodyCode.append(instance)
idx = instance.NextIndex()
while (idx <= self.DoneLabel):
instance = OSO.MakeOpcode(idx)
self.DoneCode.append(instance)
idx = instance.NextIndex()
self.Next = idx
def NextIndex(self):
return self.Next
def Generate(self, nodeGraph):
# sanity checks.
# We take the lowerbound + looping var from the InitCode
if len(self.InitCode) != 1:
raise ValueError("cannot determine loop bounds")
# must be an assign opcode
if self.InitCode[0].Instuction.Opcode != "assign":
raise ValueError("cannot determine loop bounds")
if len(self.IterCode) != 1:
raise ValueError("cannot determine loop bounds")
# must be an lt opcode
if self.IterCode[0].Instuction.Opcode != "lt":
raise ValueError("cannot determine loop bounds")
loopVar = self.InitCode[0].Instuction.Parameters[0]
LowerBound = self.InitCode[0].Instuction.Parameters[1]
UpperBound = self.IterCode[0].Instuction.Parameters[2]
# make sure the lower and upper bounds are consts
if not self.OSO.GetVariable(LowerBound).IsConst():
raise ValueError("cannot determine loop bounds")
if not self.OSO.GetVariable(UpperBound).IsConst():
raise ValueError("cannot determine loop bounds")
AddVar = None
# Locate the incrementer in the done code and be sure it's const
for inst in self.DoneCode:
if (inst.Instuction.Opcode == 'add' and
inst.Instuction.Parameters[0] == loopVar):
AddVar = inst.Instuction.Parameters[2]
break
if not AddVar:
raise ValueError("cannot determine loop bounds")
if not self.OSO.GetVariable(AddVar).IsConst():
raise ValueError("cannot determine loop bounds")
for inst in self.InitCode:
inst.Generate(nodeGraph)
lowerBoundFloat = float(self.OSO.GetVariable(LowerBound).defaults[0])
upperBoundFloat = float(self.OSO.GetVariable(UpperBound).defaults[0])
adderFloat = float(self.OSO.GetVariable(AddVar).defaults[0])
for value in float_range(lowerBoundFloat,
upperBoundFloat,
adderFloat):
print("Loop iteration %s" % value)
for inst in self.IterCode:
inst.Generate(nodeGraph)
for inst in self.BodyCode: