Revert "GAME: removed unused player state persistence enum"

This reverts commit 793e96c.
We need this for the advanced hitsound feedback.

code/game/bg_public.h

@@ -291,6 +291,7 @@ typedef enum {
 	PERS_SPAWN_COUNT,	 // incremented every respawn
 	PERS_PLAYEREVENTS,	 // 16 bits that can be flipped for events
 	PERS_ATTACKER,		 // clientnum of last damage inflicter
+	PERS_ATTACKEE_ARMOR, // health/armor of last person we attacked
 	PERS_KILLED,		 // count of the number of times you died
 	// player awards tracking
 	PERS_EXCELLENT_COUNT,	  // two successive kills in a short amount of time

code/game/g_combat.c

@@ -882,6 +882,7 @@ void G_Damage(gentity_t *targ, gentity_t *inflictor, gentity_t *attacker, vec3_t
 		} else {
 			attacker->client->ps.persistant[PERS_HITS]++;
 		}
+		attacker->client->ps.persistant[PERS_ATTACKEE_ARMOR] = (targ->health << 8) | (client->ps.stats[STAT_ARMOR]);
 	}
 
 	// always give half damage if hurting self