393 lines
15 KiB
Python
393 lines
15 KiB
Python
import os
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import shutil
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from typing import Any, Type
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import bpy
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import lnx.assets
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from lnx import log, make
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from lnx.exporter import LeenkxExporter
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from lnx.logicnode.lnx_nodes import LnxLogicTreeNode
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import lnx.make_state as state
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import lnx.node_utils
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import lnx.utils
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if lnx.is_reload(__name__):
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lnx.assets = lnx.reload_module(lnx.assets)
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lnx.exporter = lnx.reload_module(lnx.exporter)
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from lnx.exporter import LeenkxExporter
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log = lnx.reload_module(log)
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lnx.logicnode.lnx_nodes = lnx.reload_module(lnx.logicnode.lnx_nodes)
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from lnx.logicnode.lnx_nodes import LnxLogicTreeNode
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make = lnx.reload_module(make)
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state = lnx.reload_module(state)
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lnx.node_utils = lnx.reload_module(lnx.node_utils)
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lnx.utils = lnx.reload_module(lnx.utils)
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else:
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lnx.enable_reload(__name__)
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patch_id = 0
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"""Current patch id"""
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__running = False
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"""Whether live patch is currently active"""
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# Any object can act as a message bus owner
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msgbus_owner = object()
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def start():
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"""Start the live patch session."""
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log.debug("Live patch session started")
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listen(bpy.types.Object, "location", "obj_location")
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listen(bpy.types.Object, "rotation_euler", "obj_rotation")
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listen(bpy.types.Object, "scale", "obj_scale")
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# 'energy' is defined in sub classes only, also workaround for
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# https://developer.blender.org/T88408
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for light_type in (bpy.types.AreaLight, bpy.types.PointLight, bpy.types.SpotLight, bpy.types.SunLight):
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listen(light_type, "color", "light_color")
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listen(light_type, "energy", "light_energy")
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global __running
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__running = True
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def stop():
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"""Stop the live patch session."""
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global __running, patch_id
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if __running:
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__running = False
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patch_id = 0
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log.debug("Live patch session stopped")
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bpy.msgbus.clear_by_owner(msgbus_owner)
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def patch_export():
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"""Re-export the current scene and update the game accordingly."""
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if not __running or state.proc_build is not None:
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return
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lnx.assets.invalidate_enabled = False
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with lnx.utils.WorkingDir(lnx.utils.get_fp()):
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asset_path = lnx.utils.get_fp_build() + '/compiled/Assets/' + lnx.utils.safestr(bpy.context.scene.name) + '.lnx'
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LeenkxExporter.export_scene(bpy.context, asset_path, scene=bpy.context.scene)
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dir_std_shaders_dst = os.path.join(lnx.utils.build_dir(), 'compiled', 'Shaders', 'std')
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if not os.path.isdir(dir_std_shaders_dst):
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dir_std_shaders_src = os.path.join(lnx.utils.get_sdk_path(), 'leenkx', 'Shaders', 'std')
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shutil.copytree(dir_std_shaders_src, dir_std_shaders_dst)
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node_path = lnx.utils.get_node_path()
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khamake_path = lnx.utils.get_khamake_path()
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cmd = [
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node_path, khamake_path, 'krom',
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'--shaderversion', '330',
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'--parallelAssetConversion', '4',
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'--to', lnx.utils.build_dir() + '/debug',
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'--nohaxe',
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'--noproject'
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]
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lnx.assets.invalidate_enabled = True
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state.proc_build = make.run_proc(cmd, patch_done)
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def patch_done():
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"""Signal Iron to reload the running scene after a re-export."""
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js = 'iron.Scene.patch();'
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write_patch(js)
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state.proc_build = None
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def write_patch(js: str):
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"""Write the given javascript code to 'krom.patch'."""
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global patch_id
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with open(lnx.utils.get_fp_build() + '/debug/krom/krom.patch', 'w', encoding='utf-8') as f:
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patch_id += 1
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f.write(str(patch_id) + '\n')
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f.write(js)
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def listen(rna_type: Type[bpy.types.bpy_struct], prop: str, event_id: str):
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"""Subscribe to '<rna_type>.<prop>'. The event_id can be choosen
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freely but must match with the id used in send_event().
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"""
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bpy.msgbus.subscribe_rna(
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key=(rna_type, prop),
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owner=msgbus_owner,
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args=(event_id, ),
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notify=send_event
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# options={"PERSISTENT"}
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)
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def send_event(event_id: str, opt_data: Any = None):
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"""Send the result of the given event to Krom."""
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if not __running:
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return
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if hasattr(bpy.context, 'object') and bpy.context.object is not None:
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obj = bpy.context.object.name
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if bpy.context.object.mode == "OBJECT":
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if event_id == "obj_location":
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vec = bpy.context.object.location
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js = f'var o = iron.Scene.active.getChild("{obj}"); o.transform.loc.set({vec[0]}, {vec[1]}, {vec[2]}); o.transform.dirty = true;'
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write_patch(js)
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elif event_id == 'obj_scale':
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vec = bpy.context.object.scale
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js = f'var o = iron.Scene.active.getChild("{obj}"); o.transform.scale.set({vec[0]}, {vec[1]}, {vec[2]}); o.transform.dirty = true;'
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write_patch(js)
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elif event_id == 'obj_rotation':
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vec = bpy.context.object.rotation_euler.to_quaternion()
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js = f'var o = iron.Scene.active.getChild("{obj}"); o.transform.rot.set({vec[1]}, {vec[2]}, {vec[3]}, {vec[0]}); o.transform.dirty = true;'
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write_patch(js)
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elif event_id == 'light_color':
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light: bpy.types.Light = bpy.context.object.data
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vec = light.color
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js = f'var lRaw = iron.Scene.active.getLight("{light.name}").data.raw; lRaw.color[0]={vec[0]}; lRaw.color[1]={vec[1]}; lRaw.color[2]={vec[2]};'
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write_patch(js)
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elif event_id == 'light_energy':
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light: bpy.types.Light = bpy.context.object.data
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# Align strength to Leenkx, see exporter.export_light()
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# TODO: Use exporter.export_light() and simply reload all raw light data in Iron?
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strength_fac = 1.0
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if light.type == 'SUN':
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strength_fac = 0.325
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elif light.type in ('POINT', 'SPOT', 'AREA'):
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strength_fac = 0.01
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js = f'var lRaw = iron.Scene.active.getLight("{light.name}").data.raw; lRaw.strength={light.energy * strength_fac};'
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write_patch(js)
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else:
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patch_export()
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if event_id == 'ln_insert_link':
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node: LnxLogicTreeNode
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link: bpy.types.NodeLink
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node, link = opt_data
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# This event is called twice for a connection but we only need
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# send it once
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if node == link.from_node:
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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# [1:] is used here because make_logic already uses that for
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# node names if lnx_debug is used
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from_node_name = lnx.node_utils.get_export_node_name(node)[1:]
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to_node_name = lnx.node_utils.get_export_node_name(link.to_node)[1:]
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from_index = lnx.node_utils.get_socket_index(node.outputs, link.from_socket)
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to_index = lnx.node_utils.get_socket_index(link.to_node.inputs, link.to_socket)
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js = f'LivePatch.patchCreateNodeLink("{tree_name}", "{from_node_name}", "{to_node_name}", "{from_index}", "{to_index}");'
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write_patch(js)
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elif event_id == 'ln_update_prop':
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node: LnxLogicTreeNode
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prop_name: str
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node, prop_name = opt_data
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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value = lnx.node_utils.haxe_format_prop_value(node, prop_name)
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if prop_name.endswith('_get'):
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# Hack because some nodes use a different Python property
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# name than they use in Haxe
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prop_name = prop_name[:-4]
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js = f'LivePatch.patchUpdateNodeProp("{tree_name}", "{node_name}", "{prop_name}", {value});'
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write_patch(js)
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elif event_id == 'ln_socket_val':
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node: LnxLogicTreeNode
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socket: bpy.types.NodeSocket
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node, socket = opt_data
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socket_index = lnx.node_utils.get_socket_index(node.inputs, socket)
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if socket_index != -1:
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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value = socket.get_default_value()
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inp_type = socket.lnx_socket_type
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if inp_type in ('VECTOR', 'RGB'):
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value = f'new iron.Vec4({lnx.node_utils.haxe_format_socket_val(value, array_outer_brackets=False)}, 1.0)'
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elif inp_type == 'RGBA':
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value = f'new iron.Vec4({lnx.node_utils.haxe_format_socket_val(value, array_outer_brackets=False)})'
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elif inp_type == 'ROTATION':
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value = f'new iron.Quat({lnx.node_utils.haxe_format_socket_val(value, array_outer_brackets=False)})'
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elif inp_type == 'OBJECT':
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value = f'iron.Scene.active.getChild("{value}")' if value != '' else 'null'
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else:
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value = lnx.node_utils.haxe_format_socket_val(value)
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js = f'LivePatch.patchUpdateNodeInputVal("{tree_name}", "{node_name}", {socket_index}, {value});'
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write_patch(js)
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elif event_id == 'ln_create':
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node: LnxLogicTreeNode = opt_data
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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node_type = 'leenkx.logicnode.' + node.bl_idname[2:]
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prop_names = list(lnx.node_utils.get_haxe_property_names(node))
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prop_py_names, prop_hx_names = zip(*prop_names) if len(prop_names) > 0 else ([], [])
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prop_values = (getattr(node, prop_name) for prop_name in prop_py_names)
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prop_datas = lnx.node_utils.haxe_format_socket_val(list(zip(prop_hx_names, prop_values)))
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inp_data = [(inp.lnx_socket_type, inp.get_default_value()) for inp in node.inputs]
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inp_data = lnx.node_utils.haxe_format_socket_val(inp_data)
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out_data = [(out.lnx_socket_type, out.get_default_value()) for out in node.outputs]
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out_data = lnx.node_utils.haxe_format_socket_val(out_data)
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js = f'LivePatch.patchNodeCreate("{tree_name}", "{node_name}", "{node_type}", {prop_datas}, {inp_data}, {out_data});'
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write_patch(js)
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elif event_id == 'ln_delete':
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node: LnxLogicTreeNode = opt_data
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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js = f'LivePatch.patchNodeDelete("{tree_name}", "{node_name}");'
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write_patch(js)
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elif event_id == 'ln_copy':
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newnode: LnxLogicTreeNode
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node: LnxLogicTreeNode
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newnode, node = opt_data
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# Use newnode to get the tree, node has no id_data at this moment
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tree_name = lnx.node_utils.get_export_tree_name(newnode.get_tree())
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newnode_name = lnx.node_utils.get_export_node_name(newnode)[1:]
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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props_list = '[' + ','.join(f'"{p}"' for _, p in lnx.node_utils.get_haxe_property_names(node)) + ']'
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inp_data = [(inp.lnx_socket_type, inp.get_default_value()) for inp in newnode.inputs]
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inp_data = lnx.node_utils.haxe_format_socket_val(inp_data)
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out_data = [(out.lnx_socket_type, out.get_default_value()) for out in newnode.outputs]
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out_data = lnx.node_utils.haxe_format_socket_val(out_data)
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js = f'LivePatch.patchNodeCopy("{tree_name}", "{node_name}", "{newnode_name}", {props_list}, {inp_data}, {out_data});'
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write_patch(js)
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elif event_id == 'ln_update_sockets':
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node: LnxLogicTreeNode = opt_data
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tree_name = lnx.node_utils.get_export_tree_name(node.get_tree())
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node_name = lnx.node_utils.get_export_node_name(node)[1:]
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inp_data = '['
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for idx, inp in enumerate(node.inputs):
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inp_data += '{'
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# is_linked can be true even if there are no links if the
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# user starts dragging a connection away before releasing
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# the mouse
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if inp.is_linked and len(inp.links) > 0:
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inp_data += 'isLinked: true,'
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inp_data += f'fromNode: "{lnx.node_utils.get_export_node_name(inp.links[0].from_node)[1:]}",'
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inp_data += f'fromIndex: {lnx.node_utils.get_socket_index(inp.links[0].from_node.outputs, inp.links[0].from_socket)},'
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else:
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inp_data += 'isLinked: false,'
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inp_data += f'socketType: "{inp.lnx_socket_type}",'
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inp_data += f'socketValue: {lnx.node_utils.haxe_format_socket_val(inp.get_default_value())},'
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inp_data += f'toIndex: {idx}'
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inp_data += '},'
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inp_data += ']'
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out_data = '['
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for idx, out in enumerate(node.outputs):
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out_data += '['
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for link in out.links:
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out_data += '{'
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if out.is_linked:
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out_data += 'isLinked: true,'
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out_data += f'toNode: "{lnx.node_utils.get_export_node_name(link.to_node)[1:]}",'
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out_data += f'toIndex: {lnx.node_utils.get_socket_index(link.to_node.inputs, link.to_socket)},'
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else:
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out_data += 'isLinked: false,'
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out_data += f'socketType: "{out.lnx_socket_type}",'
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out_data += f'socketValue: {lnx.node_utils.haxe_format_socket_val(out.get_default_value())},'
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out_data += f'fromIndex: {idx}'
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out_data += '},'
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out_data += '],'
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out_data += ']'
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js = f'LivePatch.patchSetNodeLinks("{tree_name}", "{node_name}", {inp_data}, {out_data});'
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write_patch(js)
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def on_operator(operator_id: str):
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"""As long as bpy.msgbus doesn't listen to changes made by
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operators (*), additionally notify the callback manually.
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(*) https://developer.blender.org/T72109
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"""
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if not __running:
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return
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if operator_id in IGNORE_OPERATORS:
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return
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if operator_id == 'TRANSFORM_OT_translate':
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send_event('obj_location')
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elif operator_id in ('TRANSFORM_OT_rotate', 'TRANSFORM_OT_trackball'):
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send_event('obj_rotation')
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elif operator_id == 'TRANSFORM_OT_resize':
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send_event('obj_scale')
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# Rebuild
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else:
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patch_export()
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# Don't re-export the scene for the following operators
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IGNORE_OPERATORS = (
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'LNX_OT_node_add_input',
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'LNX_OT_node_add_input_output',
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'LNX_OT_node_add_input_value',
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'LNX_OT_node_add_output',
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'LNX_OT_node_call_func',
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'LNX_OT_node_remove_input',
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'LNX_OT_node_remove_input_output',
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'LNX_OT_node_remove_input_value',
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'LNX_OT_node_remove_output',
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'LNX_OT_node_search',
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'NODE_OT_delete',
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'NODE_OT_duplicate_move',
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'NODE_OT_hide_toggle',
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'NODE_OT_link',
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'NODE_OT_move_detach_links',
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'NODE_OT_select',
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'NODE_OT_translate_attach',
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'NODE_OT_translate_attach_remove_on_cancel',
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'OBJECT_OT_editmode_toggle',
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'OUTLINER_OT_item_activate',
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'UI_OT_button_string_clear',
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'UI_OT_eyedropper_id',
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'VIEW3D_OT_select',
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'VIEW3D_OT_select_box',
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)
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