Automatic navmesh generation support using recast

.gitignore

@@ -8,3 +8,9 @@ node_modules/
 mochawesome-report
 tests_out/
 generated_cubemaps/
+
+# CMake
+CMakeFiles
+cmake_install.cmake
+CMakeCache.txt
+Makefile

addons/io_hubs_addon/__init__.py

@@ -2,6 +2,7 @@
 from .io import gltf_exporter
 from . import (nodes, components)
 from . import preferences
+from . import third_party
 bl_info = {
     "name": "Hubs Blender Addon",
     "author": "Mozilla Hubs",
@@ -22,6 +23,7 @@ def register():
     nodes.register()
     components.register()
     gltf_exporter.register()
+    third_party.register()
 
     # Migrate components if the add-on is enabled in the middle of a session.
     if bpy.context.preferences.is_dirty:
@@ -33,6 +35,7 @@ def registration_migration():
 
 
 def unregister():
+    third_party.unregister()
     gltf_exporter.unregister()
     components.unregister()
     nodes.unregister()

addons/io_hubs_addon/components/utils.py

@@ -1,6 +1,6 @@
 import tempfile
 import bpy
-from .components_registry import get_component_by_name
+from .components_registry import get_component_by_name, get_components_registry
 from .gizmos import update_gizmos
 from .types import PanelType
 from mathutils import Vector
@@ -56,6 +56,10 @@ def remove_component(obj, component_name):
                       (dep_name, component_name))
 
 
+def get_objects_with_component(component_name):
+    return [ob for ob in bpy.context.view_layer.objects if has_component(ob, component_name)]
+
+
 def has_component(obj, component_name):
     component_items = obj.hubs_component_list.items
     return component_name in component_items

addons/io_hubs_addon/preferences.py

@@ -1,14 +1,30 @@
 import bpy
 from bpy.types import AddonPreferences
-from bpy.props import IntProperty
+from bpy.props import IntProperty, StringProperty
 from .utils import get_addon_package
+import platform
+from os.path import join, dirname, realpath
 
 
 def get_addon_pref(context):
     addon_package = get_addon_package()
     return context.preferences.addons[addon_package].preferences
 
 
+def get_recast_lib_path():
+    recast_lib = join(dirname(realpath(__file__)), "bin", "recast")
+
+    file_name = None
+    if platform.system() == 'Windows':
+        file_name = "RecastBlenderAddon.dll"
+    elif platform.system() == 'Darwin':
+        file_name = "libRecastBlenderAddon.dylib"
+    else:
+        file_name = "libRecastBlenderAddon.so"
+
+    return join(recast_lib, file_name)
+
+
 class HubsPreferences(AddonPreferences):
     bl_idname = __package__
 
@@ -19,11 +35,18 @@ class HubsPreferences(AddonPreferences):
         min=0,
     )
 
+    recast_lib_path: StringProperty(
+        name='Recast library path',
+        subtype='FILE_PATH',
+        default=get_recast_lib_path()
+    )
+
     def draw(self, context):
         layout = self.layout
         box = layout.box()
 
         box.row().prop(self, "row_length")
+        box.row().prop(self, "recast_lib_path")
 
 
 def register():

addons/io_hubs_addon/third_party/__init__.py

@@ -0,0 +1,9 @@
+from . import (recast)
+
+
+def register():
+    recast.register()
+
+
+def unregister():
+    recast.unregister()