Update Files

leenkx/blender/lnx/logicnode/draw/LN_draw_camera.py

@@ -0,0 +1,68 @@
+from lnx.logicnode.lnx_nodes import *
+
+class DrawCameraNode(LnxLogicTreeNode):
+    """Renders the scene from the view of specified cameras and draws
+    the render targets to the screen.
+
+    @input Start: Evaluate the inputs and start drawing the camera render targets.
+    @input Stop: Stops the rendering and drawing of the camera render targets.
+    @input Camera: The camera from which to render.
+    @input X/Y: Position where the camera's render target is drawn, in pixels from the top left corner.
+    @input Width/Height: Size of the camera's render target in pixels.
+
+    @output On Start: Activated after the `Start` input has been activated.
+    @output On Stop: Activated after the `Stop` input has been activated.
+    """
+    bl_idname = 'LNDrawCameraNode'
+    bl_label = 'Draw Camera'
+    lnx_section = 'draw'
+    lnx_version = 2
+    min_inputs = 7
+
+    num_choices: IntProperty(default=0, min=0)
+
+    def __init__(self):
+        super(DrawCameraNode, self).__init__()
+        array_nodes[str(id(self))] = self
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'Start')
+        self.add_input('LnxNodeSocketAction', 'Stop')
+        self.add_sockets()
+
+        self.add_output('LnxNodeSocketAction', 'On Start')
+        self.add_output('LnxNodeSocketAction', 'On Stop')
+
+    def add_sockets(self):
+        self.num_choices += 1
+        self.add_input('LnxNodeSocketObject', 'Camera ' + str(self.num_choices))
+        self.add_input('LnxIntSocket', 'X')
+        self.add_input('LnxIntSocket', 'Y')
+        self.add_input('LnxIntSocket', 'Width')
+        self.add_input('LnxIntSocket', 'Height')
+
+    def remove_sockets(self):
+        if self.num_choices > 1:
+            for _ in range(5):
+                self.inputs.remove(self.inputs.values()[-1])
+            self.num_choices -= 1
+
+    def draw_buttons(self, context, layout):
+        row = layout.row(align=True)
+
+        op = row.operator('lnx.node_call_func', text='Add Camera', icon='PLUS', emboss=True)
+        op.node_index = str(id(self))
+        op.callback_name = 'add_sockets'
+
+        column = row.column(align=True)
+        op = column.operator('lnx.node_call_func', text='', icon='X', emboss=True)
+        op.node_index = str(id(self))
+        op.callback_name = 'remove_sockets'
+        if len(self.inputs) == self.min_inputs:
+            column.enabled = False
+
+    def get_replacement_node(self, node_tree: bpy.types.NodeTree):
+        if self.lnx_version not in (0, 1):
+            raise LookupError()
+            
+        return NodeReplacement.Identity(self)