- Applied the required changes to handle def as a signed char (allows for negative def)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@11837 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -4,6 +4,8 @@ AS OF SVN REV. 5091, WE ARE NOW USING TRUNK.  ALL UNTESTED BUGFIXES/FEATURES GO
 IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.
 
 2007/11/28
+	* Applied the required changes to handle def as a signed char (allows for
+	  negative def)
 	* Corrected skill_check_condition to not delete items right away for
 	  certain skills that do the deletion themselves. Fixes several skills
 	  consuming items twice.

src/map/battle.c

@@ -1670,7 +1670,7 @@ static struct Damage battle_calc_weapon_attack(struct block_list *src,struct blo
 		if (!flag.idef || !flag.idef2)
 		{	//Defense reduction
 			short vit_def;
-			signed char def1 = (signed char)status_get_def(target); //Don't use tstatus->def1 due to skill timer reductions.
+			signed char def1 = status_get_def(target); //Don't use tstatus->def1 due to skill timer reductions.
 			short def2 = (short)tstatus->def2;
 			if(battle_config.vit_penalty_type &&
 				battle_config.vit_penalty_target&target->type)
@@ -1686,7 +1686,7 @@ static struct Damage battle_calc_weapon_attack(struct block_list *src,struct blo
 						def2 -= (target_count - (battle_config.vit_penalty_count - 1))*battle_config.vit_penalty_num;
 					}
 				}
-				if(def1 < 0 || skill_num == AM_ACIDTERROR) def1 = 0; //Acid Terror ignores only armor defense. [Skotlex]
+				if(skill_num == AM_ACIDTERROR) def1 = 0; //Acid Terror ignores only armor defense. [Skotlex]
 				if(def2 < 1) def2 = 1;
 			}
 			//Vitality reduction from rodatazone: http://rodatazone.simgaming.net/mechanics/substats.php#def	
@@ -2323,7 +2323,7 @@ struct Damage battle_calc_magic_attack(struct block_list *src,struct block_list
 		}
 
 		if(!flag.imdef){
-			int mdef = tstatus->mdef;
+			char mdef = tstatus->mdef;
 			int mdef2= tstatus->mdef2;
 			if(sd) {
 				i = sd->ignore_mdef[is_boss(target)?RC_BOSS:RC_NONBOSS];

src/map/status.c

@@ -3577,7 +3577,7 @@ static signed short status_calc_flee2(struct block_list *bl, struct status_chang
 static signed char status_calc_def(struct block_list *bl, struct status_change *sc, int def)
 {
 	if(!sc || !sc->count)
-		return cap_value(def,0,CHAR_MAX);
+		return (signed char)cap_value(def,CHAR_MIN,CHAR_MAX);
 
 	if(sc->data[SC_BERSERK])
 		return 0;
@@ -3616,7 +3616,7 @@ static signed char status_calc_def(struct block_list *bl, struct status_change *
 	if (sc->data[SC_FLING])
 		def -= def * (sc->data[SC_FLING]->val2)/100;
 
-	return (char)cap_value(def,0,CHAR_MAX);
+	return (signed char)cap_value(def,CHAR_MIN,CHAR_MAX);
 }
 
 static signed short status_calc_def2(struct block_list *bl, struct status_change *sc, int def2)
@@ -3656,7 +3656,7 @@ static signed short status_calc_def2(struct block_list *bl, struct status_change
 static signed char status_calc_mdef(struct block_list *bl, struct status_change *sc, int mdef)
 {
 	if(!sc || !sc->count)
-		return cap_value(mdef,0,CHAR_MAX);
+		return (signed char)cap_value(mdef,CHAR_MIN,CHAR_MAX);
 
 	if(sc->data[SC_BERSERK])
 		return 0;
@@ -3677,7 +3677,7 @@ static signed char status_calc_mdef(struct block_list *bl, struct status_change
 	if(sc->data[SC_INCMDEFRATE])
 		mdef += mdef * sc->data[SC_INCMDEFRATE]->val1/100;
 
-	return (char)cap_value(mdef,0,CHAR_MAX);
+	return (signed char)cap_value(mdef,CHAR_MIN,CHAR_MAX);
 }
 
 static signed short status_calc_mdef2(struct block_list *bl, struct status_change *sc, int mdef2)
@@ -4111,7 +4111,7 @@ unsigned short status_get_lwatk2(struct block_list *bl)
 	return status->lhw?status->lhw->atk2:0;
 }
 
-unsigned char status_get_def(struct block_list *bl)
+signed char status_get_def(struct block_list *bl)
 {
 	struct unit_data *ud;
 	struct status_data *status = status_get_status_data(bl);
@@ -4119,8 +4119,7 @@ unsigned char status_get_def(struct block_list *bl)
 	ud = unit_bl2ud(bl);
 	if (ud && ud->skilltimer != -1)
 		def -= def * skill_get_castdef(ud->skillid)/100;
-	if(def < 0) def = 0;
-	return def;
+	return cap_value(def, CHAR_MIN, CHAR_MAX);
 }
 
 unsigned short status_get_speed(struct block_list *bl)

src/map/status.h

@@ -622,7 +622,7 @@ int status_get_lv(struct block_list *bl);
 #define status_get_luk(bl) status_get_status_data(bl)->luk
 #define status_get_hit(bl) status_get_status_data(bl)->hit
 #define status_get_flee(bl) status_get_status_data(bl)->flee
-unsigned char status_get_def(struct block_list *bl);
+signed char status_get_def(struct block_list *bl);
 #define status_get_mdef(bl) status_get_status_data(bl)->mdef
 #define status_get_flee2(bl) status_get_status_data(bl)->flee2
 #define status_get_def2(bl) status_get_status_data(bl)->def2