Equip speed buffs no longer stack with speed consumables other then speed potion.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@12509 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.
 
 2008/04/06
+	* Equip speed buffs no longer stack with speed consumables. (r12509) [Kevin]
+	- (Speed potion not included).
 	* Sprint, Fusion, and Increase AGI now stack independently.
 	- The others still don't take affect if you have any of these three. (r12508) [Kevin]
 	* Mind Sensing no longer gives an xp bonus on bosses. (r12507) [Kevin]

src/map/status.c

@@ -3701,7 +3701,10 @@ static signed short status_calc_mdef2(struct block_list *bl, struct status_chang
 
 static unsigned short status_calc_speed(struct block_list *bl, struct status_change *sc, int speed)
 {
+
+	//Default speed coming in means there's no speed_rate adjustments. 
 	int new_speed = speed;
+	bool default_speed = (speed == 100);
 
 	if(!sc || !sc->count)
 		return cap_value(speed,10,USHRT_MAX);
@@ -3715,7 +3718,7 @@ static unsigned short status_calc_speed(struct block_list *bl, struct status_cha
 		new_speed += 300;
 
 	if(!sc->data[SC_GATLINGFEVER])
-	{	//These two stack with everything (but only one of them)
+	{	//These two stack with everything (but only one of either)
 		if(sc->data[SC_SPEEDUP1])
 			new_speed -= new_speed * 50/100;
 		else if(sc->data[SC_AVOID])
@@ -3732,10 +3735,12 @@ static unsigned short status_calc_speed(struct block_list *bl, struct status_cha
 			new_speed -= new_speed * 25/100;
 
 
+
 		//These only apply if you don't have increase agi and/or fusion and/or sprint
 		if(speed == new_speed)
 		{
-			if(sc->data[SC_SPEEDUP0])
+			//Don't allow buff from non speed potion consumables to stack with equips!
+			if(sc->data[SC_SPEEDUP0] && default_speed)
 				new_speed -= new_speed * 25/100;
 			else if(sc->data[SC_CARTBOOST])
 				new_speed -= new_speed * 20/100;