Fix bug where you sometimes get stuck on a step up

src/doom/mod.rs

@@ -569,6 +569,7 @@ pub fn load_game(name: &str, world: &mut World, resources: &mut Resources) {
 				.as_deserialize_into_world(world, &*canon)
 				.deserialize(&mut deserializer)
 				.context("Couldn't deserialize world")?;
+
 			Ok(saved_resources)
 		})
 	}
@@ -582,6 +583,12 @@ pub fn load_game(name: &str, world: &mut World, resources: &mut Resources) {
 			let quadtree = create_quadtree(world, resources);
 			resources.insert(quadtree);
 
+			{
+				let (render_context, mut asset_storage) =
+					<(Read<RenderContext>, Write<AssetStorage>)>::fetch_mut(resources);
+				process_images(&render_context, &mut asset_storage);
+			}
+
 			log::info!("Game loaded.");
 		}
 		Err(err) => log::error!("{:?}", err),

src/doom/physics.rs

@@ -417,6 +417,7 @@ fn step_slide_move<W: EntityStore>(
 
 				if trace.collision.is_none() {
 					*position = trace.move_step.end_point();
+					velocity[2] = velocity[2].max(0.0); // Do not fall back down
 					step_events.push(StepEvent { entity, height });
 
 					// Touch nonsolids