Half_physical_damage 05

- [fixed in trunk] Jumping/Newton's-Thirding into something solid
- [fixed in trunk] Being hit by Mjollnir on the return
- [fixed in trunk] Contaminated or boiling water from a sink
- [fixed in trunk] Falling on a sink while levitating
- [fixed in trunk, fire only] Any passive attack
- [fixed in trunk] Zapping yourself with a wand, horn or spell
- [fixed in trunk] Burning (un)holy water
- [fixed in trunk] Thrown potion (bottle)
- [fixed in trunk] Bumping head on ceiling by cursed levitation
- [fixed in trunk] Exploding rings and wands (under all circumstances)
- [fixed in trunk] Stinking cloud damage
- [fixed in trunk] Sitting in a spiked pit, in lava
- [fixed in trunk] Exploding spellbooks
- [fixed in trunk] Falling off or failing to mount a steed
- [fixed in trunk] Falling into a (spiked) pit
- [fixed in trunk] Land mine explosion
- [fixed in trunk] Fire traps

src/trap.c

@@ -2443,7 +2443,7 @@ struct obj *box;	/* null for floor trap */
 	if (!num)
 	    You("are uninjured.");
 	else
-	    losehp(num, tower_of_flame, KILLED_BY_AN);
+	    losehp(Maybe_Half_Phys(num), tower_of_flame, KILLED_BY_AN);
 	burn_away_slime();
 
 	if (burnarmor(&youmonst) || rn2(3)) {