From 134f6dc38873d568f0b8832059bc162d8bc9b4c7 Mon Sep 17 00:00:00 2001
From: zicodxx <>
Date: Fri, 5 Feb 2010 18:49:24 +0000
Subject: [PATCH] In do_physics_sim() only set velocity from movement for
 certain objects which actually do collisions like Player or Robots -
 otherwise we might be able to shoot down projectiles or produce other
 unfortunate glitches

---
 CHANGELOG.txt  | 1 +
 main/physics.c | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c3ee5245d..da89eb5f4 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -5,6 +5,7 @@ D1X-Rebirth Changelog
 main/game.c, main/gameseq.c, main/newdemo.c: Use palette_save and palette_restore for all windows displayed over Game_wind, not just for do_option
 main/gameseq.c, main/newmenu.c: No showing the main menu background between loading a level and playing it (syncing with D2X)
 main/window.c: Send EVENT_WINDOW_DEACTIVATE before EVENT_WINDOW_ACTIVATE, ensuring cursor remains shown when appropriate
+main/physics.c: In do_physics_sim() only set velocity from movement for certain objects which actually do collisions like Player or Robots - otherwise we might be able to shoot down projectiles or produce other unfortunate glitches
 
 20100202
 --------
diff --git a/main/physics.c b/main/physics.c
index 17dbebf4c..751f581b2 100644
--- a/main/physics.c
+++ b/main/physics.c
@@ -697,7 +697,10 @@ void do_physics_sim(object *obj)
 	}
 
 	// After collision with objects and walls, set velocity from actual movement
-	if (!obj_stopped && ((fate == HIT_WALL) || (fate == HIT_OBJECT) || (fate == HIT_BAD_P0)))
+	if (!obj_stopped
+		&& ((obj->type == OBJ_PLAYER) || (obj->type == OBJ_ROBOT) || (obj->type == OBJ_DEBRIS)) 
+		&& ((fate == HIT_WALL) || (fate == HIT_OBJECT) || (fate == HIT_BAD_P0))
+		)
 	{	
 		vms_vector moved_vec;
 		vm_vec_sub(&moved_vec,&obj->pos,&start_pos);