Fixes to state interpolation and to sfml.

client/handler.py

@@ -1,4 +1,4 @@
-import sfml
+import sfml.graphics
 import json
 import os.path
 

client/rendering.py

@@ -102,6 +102,10 @@ def render(self, client, game, frametime):
             # Take the oldest one and move it back in time
             self.interpolated_state = states[0].copy()
             self.interpolated_state.update_all_objects(game, target_time - self.interpolated_state.time)
+        elif states[-1].time < target_time:
+            # Even our most current state isn't "up-to-date" enough
+            # We can't do better than use it
+            self.interpolated_state = states[-1].copy()
         else:
             # Now we need to find the two states that bracket target_time
             # Easier to do this by looping over index

engine/game.py

@@ -45,7 +45,7 @@ def __init__(self):
         self.vertical = 0
 
     def update(self, networker, frametime):
-        if abs(self.rendering_time - self.current_state.time) > 2:
+        if abs(self.rendering_time - self.current_state.time) > 0.5:
             self.rendering_time = self.current_state.time - constants.PHYSICS_TIMESTEP
         self.rendering_time += frametime + frametime*(self.current_state.time+self.accumulator - self.rendering_time)*constants.INTERP_SLIDING_WINDOW
         self.accumulator += frametime

function.py

@@ -62,7 +62,7 @@ def load_texture(filename):
         return textures[filename]
 
     # Attempt to load the texture from files
-    texture = sfml.Texture.from_file(filename)
+    texture = sfml.graphics.Texture.from_file(filename)
     textures[filename] = texture
 
     return texture