Detect navigation

blender/exporter.py

@@ -2406,6 +2406,7 @@ class ArmoryExporter:
     def preprocess(self):
         ArmoryExporter.exportAllFlag = True
         ArmoryExporter.export_physics = False # Indicates whether rigid body is exported
+        ArmoryExporter.export_navigation = False
         if not hasattr(ArmoryExporter, 'compress_enabled'):
             ArmoryExporter.compress_enabled = False
         if not hasattr(ArmoryExporter, 'in_viewport'):
@@ -2562,6 +2563,7 @@ class ArmoryExporter:
                     trait_prefix = 'armory.trait.'
                     # TODO: temporary, export single mesh navmesh as obj
                     if t.class_name_prop == 'NavMesh' and bobject.type == 'MESH' and bpy.data.worlds['Arm'].arm_navigation != 'Disabled':
+                        ArmoryExporter.export_navigation = True
                         nav_path = armutils.get_fp() + '/build/compiled/Assets/navigation'
                         if not os.path.exists(nav_path):
                             os.makedirs(nav_path)

blender/make.py

@@ -43,6 +43,7 @@ def export_data(fp, sdk_path, is_play=False, is_publish=False, in_viewport=False
     raw_shaders_path = sdk_path + 'armory/Shaders/'
     assets_path = sdk_path + 'armory/Assets/'
     export_physics = bpy.data.worlds['Arm'].arm_physics != 'Disabled'
+    export_navigation = bpy.data.worlds['Arm'].arm_navigation != 'Disabled'
     assets.reset()
 
     # Build node trees
@@ -60,6 +61,7 @@ def export_data(fp, sdk_path, is_play=False, is_publish=False, in_viewport=False
     # Export scene data
     assets.embedded_data = sorted(list(set(assets.embedded_data)))
     physics_found = False
+    navigation_found = False
     ArmoryExporter.compress_enabled = is_publish
     ArmoryExporter.in_viewport = in_viewport
     for scene in bpy.data.scenes:
@@ -69,10 +71,15 @@ def export_data(fp, sdk_path, is_play=False, is_publish=False, in_viewport=False
             exporter.execute(bpy.context, asset_path)
             if physics_found == False and ArmoryExporter.export_physics:
                 physics_found = True
+            if navigation_found == False and ArmoryExporter.export_navigation:
+                navigation_found = True
             assets.add(asset_path)
     
     if physics_found == False: # Disable physics anyway if no rigid body exported
         export_physics = False
+
+    if navigation_found == False:
+        export_navigation = False
     
     # Clean compiled variants if cache is disabled
     if bpy.data.worlds['Arm'].arm_cache_shaders == False:
@@ -115,7 +122,7 @@ def export_data(fp, sdk_path, is_play=False, is_publish=False, in_viewport=False
     write_data.write_compiledglsl()
 
     # Write khafile.js
-    write_data.write_khafilejs(is_play, export_physics, dce_full=is_publish)
+    write_data.write_khafilejs(is_play, export_physics, export_navigation, dce_full=is_publish)
 
     # Write Main.hx - depends on write_khafilejs for writing number of assets
     write_data.write_main(is_play, in_viewport, is_publish)

blender/props.py

@@ -39,7 +39,7 @@ def init_properties():
     bpy.types.World.arm_navigation = EnumProperty(
         items = [('Disabled', 'Disabled', 'Disabled'), 
                  ('Recast', 'Recast', 'Recast')],
-        name = "Navigation", default='Disabled')
+        name = "Navigation", default='Recast')
     bpy.types.World.arm_khafile = StringProperty(name = "Khafile", description="Source appended to khafile.js")
     bpy.types.World.arm_command_line = StringProperty(name = "Command Line", description="Commands appended to khamake")
     bpy.types.World.arm_minimize = BoolProperty(name="Minimize Data", description="Export scene data in binary", default=True, update=assets.invalidate_compiled_data)

blender/write_data.py

@@ -8,7 +8,7 @@ def add_armory_library(sdk_path, name):
     return ('project.addLibrary("../' + bpy.path.relpath(sdk_path + '/' + name)[2:] + '");\n').replace('\\', '/')
 
 # Write khafile.js
-def write_khafilejs(is_play, export_physics, dce_full=False):
+def write_khafilejs(is_play, export_physics, export_navigation, dce_full=False):
     
     sdk_path = armutils.get_sdk_path()
     
@@ -37,7 +37,6 @@ project.addSources('Sources');
                 ammojs_path = ammojs_path.replace('\\', '/')
                 f.write("project.addAssets('" + ammojs_path + "');\n")
 
-        export_navigation = wrd.arm_navigation != 'Disabled'
         if export_navigation:
             f.write("project.addDefine('arm_navigation');\n")
             f.write(add_armory_library(sdk_path + '/lib/', 'haxerecast'))