add logger class, fix pause not being reset when render is started, b…

…ump version

__init__.py

@@ -20,6 +20,7 @@
     halt, image_tools, light, lightgroups, material, particle, postpro, render,
     render_layer, scene, texture, units, viewport, world,
 )
+from .utils.log import LuxCoreLog
 
 bl_info = {
     "name": "LuxCore",
@@ -29,7 +30,7 @@
     "category": "Render",
     "location": "Info header, render engine menu",
     "description": "LuxCore integration for Blender",
-    "warning": "alpha1",
+    "warning": "alpha2",
     "wiki_url": "https://wiki.luxcorerender.org/",
     "tracker_url": "https://github.com/LuxCoreRender/BlendLuxCore/issues/new",
 }
@@ -46,7 +47,7 @@ def register():
     properties.init()
 
     # Has to be called at least once, can be called multiple times
-    pyluxcore.Init()
+    pyluxcore.Init(LuxCoreLog.add)
     print("pyluxcore version:", pyluxcore.Version())
 
 

engine/__init__.py

@@ -1,6 +1,7 @@
 import bpy
 from . import final, preview, viewport
 from ..handlers.draw_imageeditor import TileStats
+from ..utils.log import LuxCoreLog
 
 
 class LuxCoreRenderEngine(bpy.types.RenderEngine):
@@ -33,6 +34,12 @@ def __del__(self):
             self.session.Stop()
             del self.session
 
+    def log_listener(self, msg):
+        if "Direct light sampling cache entries" in msg:
+            self.update_stats("", msg)
+        # elif "BCD progress" in msg:  # TODO For some weird reason this does not work
+        #     self.update_stats("", msg)
+
     def render(self, scene):
         if self.is_preview:
             self.render_preview(scene)
@@ -42,7 +49,9 @@ def render(self, scene):
     def render_final(self, scene):
         try:
             LuxCoreRenderEngine.final_running = True
+            scene.luxcore.display.paused = False
             TileStats.reset()
+            LuxCoreLog.add_listener(self.log_listener)
             final.render(self, scene)
         except Exception as error:
             self.report({"ERROR"}, str(error))
@@ -59,6 +68,7 @@ def render_final(self, scene):
             scene.luxcore.active_layer_index = -1
             LuxCoreRenderEngine.final_running = False
             TileStats.reset()
+            LuxCoreLog.remove_listener(self.log_listener)
 
     def render_preview(self, scene):
         try:

utils/log.py

@@ -0,0 +1,26 @@
+# import collections
+
+
+class LuxCoreLog:
+    # _history = collections.deque(maxlen=50)
+    _listeners = []
+
+    @staticmethod
+    def add(msg):
+        print(msg)
+        # LuxCoreLog._history.append(msg)
+
+        for listener in LuxCoreLog._listeners:
+            listener(msg)
+
+    @classmethod
+    def clear(cls):
+        cls._history.clear()
+
+    @classmethod
+    def add_listener(cls, listener):
+        cls._listeners.append(listener)
+
+    @classmethod
+    def remove_listener(cls, listener):
+        cls._listeners.remove(listener)