LNXSDK/leenkx/blender/lnx/logicnode/draw/LN_draw_camera_texture.py

from lnx.logicnode.lnx_nodes import *


class DrawCameraTextureNode(LnxLogicTreeNode):
    """Renders the scene from the view of a specified camera and draws
    its render target to the diffuse texture of the given material.

    @input Start: Evaluate the inputs and start drawing the camera render target.
    @input Stop: Stops the rendering and drawing of the camera render target.
    @input Camera: The camera from which to render.
    @input Object: Object of which to choose the material in the `Material Slot` input.
    @input Material Slot: Index of the material slot of which the diffuse
        texture is replaced with the camera's render target.
    @input Node: Node name of the Image Texture Node.
    
    @output On Start: Activated after the `Start` input has been activated.
    @output On Stop: Activated after the `Stop` input has been activated.
    """
    bl_idname = 'LNDrawCameraTextureNode'
    bl_label = 'Draw Camera to Texture'
    lnx_section = 'draw'
    lnx_version = 2

    def lnx_init(self, context):
        self.add_input('LnxNodeSocketAction', 'Start')
        self.add_input('LnxNodeSocketAction', 'Stop')
        self.add_input('LnxNodeSocketObject', 'Camera')
        self.add_input('LnxNodeSocketObject', 'Object')
        self.add_input('LnxIntSocket', 'Material Slot')
        self.add_input('LnxStringSocket', 'Node')
        
        self.add_output('LnxNodeSocketAction', 'On Start')
        self.add_output('LnxNodeSocketAction', 'On Stop')

    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
        if self.lnx_version not in (0, 1):
            raise LookupError()

        return NodeReplacement.Identity(self)