Correct, yet ugly handling of Magic Resistance.

client/CCreatureWindow.cpp

@@ -155,6 +155,17 @@ void CCreatureWindow::init(const CStackInstance *Stack, const CBonusSystemNode *
 			bonusItems.push_back (new CBonusItem(genRect(0, 0, 251, 57), text, stack->bonusToString(b, true), stack->bonusToGraphics(b)));
 		}
 	}
+	ui32 resistanceVal = stack->magicResistance(); //ugly solution
+	if (resistanceVal)
+	{
+		text = CGI->creh->stackBonuses.find(Bonus::MAGIC_RESISTANCE)->second.first;
+		std::string text2 = CGI->creh->stackBonuses.find(Bonus::MAGIC_RESISTANCE)->second.second;
+		boost::algorithm::replace_first(text2, "%d", boost::lexical_cast<std::string>( stack->magicResistance() ));
+		Bonus bonus;
+		bonus.type = Bonus::MAGIC_RESISTANCE;
+		std::string gfxName = stack->bonusToGraphics(&bonus);
+		bonusItems.push_back (new CBonusItem(genRect(0, 0, 251, 57), text, text2, gfxName));
+	}
 
 	bonusRows = std::min ((int)((bonusItems.size() + 1) / 2), (conf.cc.resy - 230) / 60);
 	amin(bonusRows, 4);

lib/BattleState.cpp

@@ -1905,14 +1905,7 @@ std::vector<ui32> BattleInfo::calculateResistedStacks( const CSpell * sp, const
 		else
 			bonusHero = hero2;
 
-		int prob = (*it)->valOfBonuses(Bonus::MAGIC_RESISTANCE); //probability of resistance in %
-		if(bonusHero)
-		{
-			//bonusHero's resistance support (secondary skils and artifacts)
-			prob += bonusHero->valOfBonuses(Bonus::MAGIC_RESISTANCE);
-			//resistance skill
-			prob += bonusHero->valOfBonuses(Bonus::SECONDARY_SKILL_PREMY, 26) / 100.0f;
-		}
+		int prob = (*it)->magicResistance(); //probability of resistance in %
 
 		if(prob > 100) prob = 100;
 

lib/CArtHandler.cpp

@@ -589,9 +589,9 @@ void CArtHandler::addBonuses()
 	giveArtBonus(55,Bonus::SECONDARY_SKILL_PREMY,+10, CGHeroInstance::NECROMANCY, Bonus::ADDITIVE_VALUE);//Vampire's Cowl
 	giveArtBonus(56,Bonus::SECONDARY_SKILL_PREMY,+15, CGHeroInstance::NECROMANCY, Bonus::ADDITIVE_VALUE);//Dead Man's Boots
 
-	giveArtBonus(57,Bonus::MAGIC_RESISTANCE,+5);//Garniture of Interference
-	giveArtBonus(58,Bonus::MAGIC_RESISTANCE,+10);//Surcoat of Counterpoise
-	giveArtBonus(59,Bonus::MAGIC_RESISTANCE,+15);//Boots of Polarity
+	giveArtBonus(57,Bonus::MAGIC_RESISTANCE,+5, 0);//Garniture of Interference
+	giveArtBonus(58,Bonus::MAGIC_RESISTANCE,+10, 0);//Surcoat of Counterpoise
+	giveArtBonus(59,Bonus::MAGIC_RESISTANCE,+15, 0);//Boots of Polarity
 
 	//archery bonus
 	giveArtBonus(60,Bonus::SECONDARY_SKILL_PREMY,+5, CGHeroInstance::ARCHERY, Bonus::ADDITIVE_VALUE);//Bow of Elven Cherrywood

lib/CCreatureSet.cpp

@@ -493,6 +493,18 @@ int CStackInstance::getExpRank() const
 	}
 }
 
+si32 CStackInstance::magicResistance() const
+{
+	si32 val = valOfBonuses(Selector::type(Bonus::MAGIC_RESISTANCE));
+	if (const CGHeroInstance * hero = dynamic_cast<const CGHeroInstance *>(_armyObj))
+	{
+		//resistance skill
+		val += hero->valOfBonuses(Bonus::SECONDARY_SKILL_PREMY, CGHeroInstance::RESISTANCE);
+	}
+	amin (val, 100);
+	return val;
+}
+
 void CStackInstance::giveStackExp(expType exp)
 {
 	int level = type->level;
@@ -574,8 +586,7 @@ std::string CStackInstance::bonusToString(Bonus *bonus, bool description) const
 				case Bonus::RECEPTIVE:
 				case Bonus::DIRECT_DAMAGE_IMMUNITY:
 				break;
-				//One numeric value
-				case Bonus::MAGIC_RESISTANCE:
+				//One numeric value. magic resistance handled separately
 				case Bonus::SPELL_RESISTANCE_AURA:
 				case Bonus::SPELL_DAMAGE_REDUCTION:
 				case Bonus::LEVEL_SPELL_IMMUNITY:
@@ -626,6 +637,9 @@ std::string CStackInstance::bonusToString(Bonus *bonus, bool description) const
 				case Bonus::SPELL_IMMUNITY:
 					boost::algorithm::replace_first(text, "%s", VLC->spellh->spells[bonus->subtype]->name);
 					break;
+				case Bonus::MAGIC_RESISTANCE: //handled separately
+					return "";
+					break;
 			}
 		}
 		return text;

lib/CCreatureSet.h

@@ -52,6 +52,7 @@ public:
 	int getQuantityID() const;
 	std::string getQuantityTXT(bool capitalized = true) const;
 	int getExpRank() const;
+	si32 magicResistance() const;
 	void init();
 	CStackInstance();
 	CStackInstance(TCreature id, TQuantity count);

lib/HeroBonus.cpp

@@ -320,6 +320,11 @@ int IBonusBearer::getPrimSkillLevel(int id) const
 	return ret;
 }
 
+si32 IBonusBearer::magicResistance() const
+{
+	return valOfBonuses(Selector::type(Bonus::MAGIC_RESISTANCE));
+}
+
 Bonus * CBonusSystemNode::getBonus(const CSelector &selector)
 {
 	Bonus *ret = bonuses.getFirst(selector);

lib/HeroBonus.h

@@ -414,6 +414,7 @@ public:
 	si32 Attack() const; //get attack of stack with all modificators
 	si32 Defense(bool withFrenzy = true) const; //get defense of stack with all modificators
 	ui16 MaxHealth() const; //get max HP of stack with all modifiers
+	virtual si32 magicResistance() const;
 
 	si32 manaLimit() const; //maximum mana value for this hero (basically 10*knowledge)
 	int getPrimSkillLevel(int id) const; //0-attack, 1-defence, 2-spell power, 3-knowledge