v0.4.0: rebalanced all defense granting weapons

src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/melee/Greatshield.java

@@ -34,11 +34,11 @@ public class Greatshield extends MeleeWeapon {
 	@Override
 	public int max(int lvl) {
 		return  2*(tier+1) +    //12 base, down from 30
-				lvl*(tier+1);   //scaling unchanged
+				lvl*(tier-2);   //+3 per level, down from +6
 	}
 
 	@Override
 	public int defenceFactor(Hero hero) {
-		return 10+2*level();    //10 extra defence, plus 3 per level;
+		return 10+3*level();    //10 extra defence, plus 3 per level;
 	}
 }

src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/melee/Quarterstaff.java

@@ -39,6 +39,6 @@ public class Quarterstaff extends MeleeWeapon {
 
 	@Override
 	public int defenceFactor(Hero hero) {
-		return 2+level();       //2 extra defence, plus 1 per level;
+		return 2;	//2 extra defence
 	}
 }

src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/melee/RoundShield.java

@@ -34,11 +34,11 @@ public class RoundShield extends MeleeWeapon {
 	@Override
 	public int max(int lvl) {
 		return  3*(tier+1) +    //12 base, down from 20
-				lvl*(tier+1);   //scaling unchanged
+				lvl*(tier-1);   //+2 per level, down from +4
 	}
 
 	@Override
 	public int defenceFactor(Hero hero) {
-		return 6+2*level();     //6 extra defence, plus 2 per level;
+		return 5+2*level();     //5 extra defence, plus 2 per level;
 	}
 }

src/com/shatteredpixel/shatteredpixeldungeon/items/weapon/melee/Sai.java

@@ -40,6 +40,6 @@ public class Sai extends MeleeWeapon {
 
 	@Override
 	public int defenceFactor(Hero hero) {
-		return 3+level();       //3 extra defence, plus 1 per level;
+		return 3;	//3 extra defence
 	}
 }