kopia lustrzana https://github.com/carson-katri/geometry-script
296 wiersze
11 KiB
Python
296 wiersze
11 KiB
Python
import bpy
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from bpy.types import NodeSocketStandard
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import nodeitems_utils
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import enum
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from .state import State
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from .static.sample_mode import SampleMode
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import geometry_script
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def map_case_name(i):
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return ('_' if not i.identifier[0].isalpha() else '') + i.identifier.replace(' ', '_').upper()
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def socket_type_to_data_type(socket_type):
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match socket_type:
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case 'VALUE':
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return 'FLOAT'
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case 'VECTOR':
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return 'FLOAT_VECTOR'
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case 'COLOR':
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return 'FLOAT_COLOR'
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case _:
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return socket_type
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def socket_class_to_data_type(socket_class_name):
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match socket_class_name:
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case 'NodeSocketGeometry':
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return 'GEOMETRY'
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case 'NodeSocketFloat':
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return 'FLOAT'
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case _:
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return socket_class_name
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# The base class all exposed socket types conform to.
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class _TypeMeta(type):
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def __getitem__(self, args):
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for s in filter(lambda x: isinstance(x, slice), args):
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if (isinstance(s.start, float) or isinstance(s.start, int)) and (isinstance(s.stop, float) or isinstance(s.stop, int)):
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print(f"minmax: ({s.start}, {s.stop})")
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elif isinstance(s.start, str):
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print(f"{s.start} = {s.stop}")
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return self
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class Type(metaclass=_TypeMeta):
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socket_type: str
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def __init__(self, socket: bpy.types.NodeSocket = None, value = None):
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if value is not None:
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input_nodes = {
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int: ('FunctionNodeInputInt', 'integer'),
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bool: ('FunctionNodeInputBool', 'boolean'),
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str: ('FunctionNodeInputString', 'string'),
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tuple: ('FunctionNodeInputVector', 'vector'),
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float: ('ShaderNodeValue', None),
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}
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if type(value) == int:
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print("Making an integer node?")
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if not type(value) in input_nodes:
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raise Exception(f"'{value}' cannot be expressed as a node.")
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input_node_info = input_nodes[type(value)]
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value_node = State.current_node_tree.nodes.new(input_node_info[0])
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if input_node_info[1] is None:
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value_node.outputs[0].default_value = value
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else:
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setattr(value_node, input_node_info[1], value)
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socket = value_node.outputs[0]
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self._socket = socket
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self.socket_type = type(socket).__name__
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def _math(self, other, operation, reverse=False):
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if other is None:
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vector_or_value = self
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else:
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vector_or_value = (other, self) if reverse else (self, other)
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if self._socket.type == 'VECTOR':
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return geometry_script.vector_math(operation=operation, vector=vector_or_value)
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else:
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return geometry_script.math(operation=operation, value=vector_or_value)
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def __add__(self, other):
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return self._math(other, 'ADD')
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def __radd__(self, other):
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return self._math(other, 'ADD', True)
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def __sub__(self, other):
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return self._math(other, 'SUBTRACT')
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def __rsub__(self, other):
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return self._math(other, 'SUBTRACT', True)
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def __mul__(self, other):
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return self._math(other, 'MULTIPLY')
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def __rmul__(self, other):
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return self._math(other, 'MULTIPLY', True)
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def __truediv__(self, other):
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return self._math(other, 'DIVIDE')
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def __rtruediv__(self, other):
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return self._math(other, 'DIVIDE', True)
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def __mod__(self, other):
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return self._math(other, 'MODULO')
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def __rmod__(self, other):
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return self._math(other, 'MODULO', True)
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def __floordiv__(self, other):
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return self._math(other, 'DIVIDE')._math(None,'FLOOR')
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def __rfloordiv__(self, other):
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return self._math(other, 'DIVIDE',True)._math(None,'FLOOR')
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def __pow__(self, other):
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return self._math(other, 'POWER')
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def __rpow__(self, other):
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return self._math(other, 'POWER', True)
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def __matmul__(self, other):
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return self._math(other, 'DOT_PRODUCT')
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def __rmatmul__(self, other):
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return self._math(other, 'DOT_PRODUCT', True)
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def __abs__(self):
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return self._math(None,'ABSOLUTE')
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def __neg__(self):
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return self._math(-1, 'MULTIPLY')
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def __pos__(self):
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return self
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def __round__(self):
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return self._math(None,'ROUND')
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def _compare(self, other, operation):
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return geometry_script.compare(operation=operation, a=self, b=other)
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def __eq__(self, other):
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if self._socket.type == 'BOOLEAN':
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return self._boolean_math(other, 'XNOR')
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else:
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return self._compare(other, 'EQUAL')
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def __ne__(self, other):
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if self._socket.type == 'BOOLEAN':
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return self._boolean_math(other, 'XOR')
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else:
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return self._compare(other, 'NOT_EQUAL')
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def __lt__(self, other):
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return self._compare(other, 'LESS_THAN')
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def __le__(self, other):
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return self._compare(other, 'LESS_EQUAL')
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def __gt__(self, other):
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return self._compare(other, 'GREATER_THAN')
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def __ge__(self, other):
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return self._compare(other, 'GREATER_EQUAL')
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def _boolean_math(self, other, operation, reverse=False):
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boolean_math_node = State.current_node_tree.nodes.new('FunctionNodeBooleanMath')
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boolean_math_node.operation = operation
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a = None
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b = None
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for node_input in boolean_math_node.inputs:
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if not node_input.enabled:
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continue
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elif a is None:
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a = node_input
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else:
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b = node_input
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State.current_node_tree.links.new(self._socket, a)
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if other is not None:
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if issubclass(type(other), Type):
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State.current_node_tree.links.new(other._socket, b)
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else:
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b.default_value = other
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return Type(boolean_math_node.outputs[0])
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def __and__(self, other):
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return self._boolean_math(other, 'AND')
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def __rand__(self, other):
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return self._boolean_math(other, 'AND', reverse=True)
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def __or__(self, other):
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return self._boolean_math(other, 'OR')
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def __ror__(self, other):
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return self._boolean_math(other, 'OR', reverse=True)
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def __invert__(self):
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if self._socket.type == 'BOOLEAN':
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return self._boolean_math(None, 'NOT')
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else:
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return self._math((-1, -1, -1) if self._socket.type == 'VECTOR' else -1, 'MULTIPLY')
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def _get_xyz_component(self, component):
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if self._socket.type != 'VECTOR':
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raise Exception("`x`, `y`, `z` properties are not available on non-Vector types.")
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separate_node = State.current_node_tree.nodes.new('ShaderNodeSeparateXYZ')
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State.current_node_tree.links.new(self._socket, separate_node.inputs[0])
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return Type(separate_node.outputs[component])
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@property
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def x(self):
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return self._get_xyz_component(0)
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@property
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def y(self):
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return self._get_xyz_component(1)
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@property
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def z(self):
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return self._get_xyz_component(2)
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def capture(self, value, **kwargs):
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data_type = socket_type_to_data_type(value._socket.type)
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res = self.capture_attribute(data_type=data_type, value=value, **kwargs)
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return res.geometry, res.attribute
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def transfer(self, attribute, **kwargs):
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data_type = socket_type_to_data_type(attribute._socket.type)
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return self.transfer_attribute(data_type=data_type, attribute=attribute, **kwargs)
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def __getitem__(self, subscript):
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if self._socket.type == 'VECTOR' and isinstance(subscript, int):
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return self._get_xyz_component(subscript)
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if isinstance(subscript, tuple):
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accessor = subscript[0]
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args = subscript[1:]
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else:
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accessor = subscript
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args = []
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sample_mode = SampleMode.INDEX if len(args) < 1 else args[0]
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domain = 'POINT' if len(args) < 2 else (args[1].value if isinstance(args[1], enum.Enum) else args[1])
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sample_position = None
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sampling_index = None
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if isinstance(accessor, slice):
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data_type = socket_type_to_data_type(accessor.start._socket.type)
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value = accessor.start
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match sample_mode:
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case SampleMode.INDEX:
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sampling_index = accessor.stop
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case SampleMode.NEAREST_SURFACE:
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sample_position = accessor.stop
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case SampleMode.NEAREST:
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sample_position = accessor.stop
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if accessor.step is not None:
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domain = accessor.step.value if isinstance(accessor.step, enum.Enum) else accessor.step
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else:
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data_type = socket_type_to_data_type(accessor._socket.type)
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value = accessor
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match sample_mode:
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case SampleMode.INDEX:
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return self.sample_index(
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data_type=data_type,
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domain=domain,
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value=value,
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index=sampling_index or geometry_script.index()
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)
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case SampleMode.NEAREST_SURFACE:
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return self.sample_nearest_surface(
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data_type=data_type,
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value=value,
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sample_position=sample_position or geometry_script.position()
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)
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case SampleMode.NEAREST:
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return self.sample_index(
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data_type=data_type,
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value=value,
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index=self.sample_nearest(domain=domain, sample_position=sample_position or geometry_script.position())
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)
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for standard_socket in list(filter(lambda x: 'NodeSocket' in x, dir(bpy.types))):
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name = standard_socket.replace('NodeSocket', '')
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if len(name) < 1:
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continue
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globals()[name] = type(name, (Type,), { 'socket_type': standard_socket, '__module__': Type.__module__ })
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if name == 'Int':
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class IntIterator:
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def __init__(self, integer):
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self.integer = integer
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self.points = State.current_node_tree.nodes.new('GeometryNodePoints')
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State.current_node_tree.links.new(self.integer._socket, self.points.inputs[0])
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self.index = State.current_node_tree.nodes.new('GeometryNodeInputIndex')
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self._did_iterate = False
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def __next__(self):
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if not self._did_iterate:
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self._did_iterate = True
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return Type(self.index.outputs[0]), Type(self.points.outputs[0])
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else:
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raise StopIteration()
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globals()[name].__iter__ = lambda self: IntIterator(self) |