69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
from lnx.logicnode.lnx_nodes import *
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class DrawCameraNode(LnxLogicTreeNode):
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"""Renders the scene from the view of specified cameras and draws
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the render targets to the screen.
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@input Start: Evaluate the inputs and start drawing the camera render targets.
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@input Stop: Stops the rendering and drawing of the camera render targets.
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@input Camera: The camera from which to render.
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@input X/Y: Position where the camera's render target is drawn, in pixels from the top left corner.
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@input Width/Height: Size of the camera's render target in pixels.
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@output On Start: Activated after the `Start` input has been activated.
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@output On Stop: Activated after the `Stop` input has been activated.
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"""
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bl_idname = 'LNDrawCameraNode'
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bl_label = 'Draw Camera'
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lnx_section = 'draw'
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lnx_version = 2
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min_inputs = 7
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num_choices: IntProperty(default=0, min=0)
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def __init__(self):
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super(DrawCameraNode, self).__init__()
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array_nodes[str(id(self))] = self
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def lnx_init(self, context):
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self.add_input('LnxNodeSocketAction', 'Start')
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self.add_input('LnxNodeSocketAction', 'Stop')
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self.add_sockets()
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self.add_output('LnxNodeSocketAction', 'On Start')
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self.add_output('LnxNodeSocketAction', 'On Stop')
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def add_sockets(self):
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self.num_choices += 1
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self.add_input('LnxNodeSocketObject', 'Camera ' + str(self.num_choices))
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self.add_input('LnxIntSocket', 'X')
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self.add_input('LnxIntSocket', 'Y')
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self.add_input('LnxIntSocket', 'Width')
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self.add_input('LnxIntSocket', 'Height')
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def remove_sockets(self):
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if self.num_choices > 1:
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for _ in range(5):
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self.inputs.remove(self.inputs.values()[-1])
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self.num_choices -= 1
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def draw_buttons(self, context, layout):
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row = layout.row(align=True)
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op = row.operator('lnx.node_call_func', text='Add Camera', icon='PLUS', emboss=True)
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op.node_index = str(id(self))
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op.callback_name = 'add_sockets'
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column = row.column(align=True)
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op = column.operator('lnx.node_call_func', text='', icon='X', emboss=True)
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op.node_index = str(id(self))
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op.callback_name = 'remove_sockets'
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if len(self.inputs) == self.min_inputs:
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column.enabled = False
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def get_replacement_node(self, node_tree: bpy.types.NodeTree):
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if self.lnx_version not in (0, 1):
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raise LookupError()
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return NodeReplacement.Identity(self)
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