- disable palette emulation when rendering weapons.

The 2D code cannot handle transparency well with it.

source/core/rendering/hw_entrypoint.cpp

@@ -162,6 +162,7 @@ void RenderViewpoint(FRenderViewpoint& mainvp, IntRect* bounds, float fov, float
 			}
 
 			screen->PostProcessScene(false, CM_DEFAULT, flash, []() { 
+				hw_int_useindexedcolortextures = false;
 				Draw2D(&twodpsp, *screen->RenderState()); // draws the weapon sprites
 				});
 			PostProcess.Unclock();