Attack Cost Rule

Update your rules folder

projects/mtg/bin/Res/rules/Blitzkrieg.txt

@@ -16,6 +16,7 @@ auto=morphrule
 auto=payzerorule
 auto=overloadrule
 auto=attackrule
+auto=attackcostrule
 auto=blockrule
 auto=combattriggerrule
 auto=legendrule

projects/mtg/bin/Res/rules/hermit.txt

@@ -15,6 +15,7 @@ auto=morphrule
 auto=payzerorule
 auto=overloadrule
 auto=attackrule
+auto=attackcostrule
 auto=blockrule
 auto=combattriggerrule
 auto=legendrule

projects/mtg/bin/Res/rules/mtg.txt

@@ -19,6 +19,7 @@ auto=morphrule
 auto=payzerorule
 auto=overloadrule
 auto=attackrule
+auto=attackcostrule
 auto=blockrule
 auto=combattriggerrule
 auto=legendrule

projects/mtg/bin/Res/sets/primitives/borderline.txt

@@ -1,4 +1,17 @@
 grade=borderline
+#planeswalker and creature attack cost...
+[card]
+name=Archangel of Tithes
+abilities=flying
+auto=this(untapped) lord(creature|opponentbattlefield) transforms((,newability[@each mycombatbegins:pay[[{1}]] name(pay 1 mana) donothing?cantattack all(this)]))
+auto=@combat(attacking) source(this):all(creature|opponentbattlefield) transforms((,newability[pay[[{1}]] name(pay 1 mana) donothing?cantblock all(this)]))
+text=Flying -- As long as Archangel of Tithes is untapped, creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures. -- As long as Archangel of Tithes is attacking, creatures can't block unless their controller pays {1} for each of those creatures.
+mana={1}{W}{W}{W}
+type=Creature
+subtype=Angel
+power=3
+toughness=5
+[/card]
 [card]
 name=Autumn Willow
 abilities=opponentshroud,shroud

projects/mtg/bin/Res/sets/primitives/unsupported.txt

@@ -12123,12 +12123,6 @@ power=*
 toughness=*
 [/card]
 [card]
-name=Koskun Falls
-text=At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. -- Creatures can't attack you unless their controller pays {2} for each creature he or she controls that's attacking you.
-mana={2}{B}{B}
-type=World Enchantment
-[/card]
-[card]
 name=Kozilek's Channeler
 text={T}: Add {C}{C} to your mana pool.
 mana={5}

projects/mtg/include/AllAbilities.h

@@ -4863,6 +4863,19 @@ public:
 
 };
 
+//AAttackSetCost
+class AAttackSetCost: public MTGAbility
+{
+public:
+    string number;
+    AAttackSetCost(GameObserver* observer, int _id, MTGCardInstance * _source, string number);
+    void Update(float dt);
+    int addToGame();
+    int destroy();
+    const string getMenuText();
+    AAttackSetCost * clone() const;
+};
+
 //ABlink
 class ABlink: public MTGAbility
 {

projects/mtg/include/MTGAbility.h

@@ -216,6 +216,8 @@ public:
         PAYZERO_COST = 33,
         OVERLOAD_COST = 34,
         BESTOW_COST = 35,
+        ATTACK_COST = 36,
+        ATTACKPLANESWALKER_COST = 37,
     };
 };
 

projects/mtg/include/MTGCardInstance.h

@@ -258,6 +258,9 @@ public:
     ManaCost * computeNewCost(MTGCardInstance * card,ManaCost * oldCost, ManaCost * refCost,bool noTrinisphere = false);
     int countTrini;
     vector<MTGCardInstance*>imprintedCards;
+    int attackCost;
+    int attackCostBackup;
+    int attackPlaneswalkerCost;
     int imprintG;
     int imprintU;
     int imprintR;

projects/mtg/include/MTGRules.h

@@ -219,6 +219,18 @@ public:
     virtual MTGSuspendRule * clone() const;
 };
 
+class MTGAttackCostRule: public PermanentAbility
+{
+public:
+    string scost;
+    int isReactingToClick(MTGCardInstance * card, ManaCost * mana = NULL);
+    int reactToClick(MTGCardInstance * card);
+    virtual ostream& toString(ostream& out) const;
+    MTGAttackCostRule(GameObserver* observer, int _id);
+    const string getMenuText();
+    virtual MTGAttackCostRule * clone() const;
+};
+
 class MTGAttackRule: public PermanentAbility, public Limitor
 {
 public:

projects/mtg/src/AllAbilities.cpp

@@ -5371,6 +5371,51 @@ APhaseActionGeneric::~APhaseActionGeneric()
     SAFE_DELETE(ability);
 }
 
+//AAttackSetCost
+AAttackSetCost::AAttackSetCost(GameObserver* observer, int _id, MTGCardInstance * _source, string number) :
+    MTGAbility(observer, _id, _source), number(number)
+{
+}
+
+void AAttackSetCost::Update(float dt)
+{
+    if(game->getCurrentGamePhase() != MTG_PHASE_COMBATATTACKERS)
+    {
+        source->attackCost = source->attackCostBackup;
+        MTGAbility::Update(dt);
+    }
+}
+
+int AAttackSetCost::addToGame()
+{
+    WParsedInt attackcost(number, NULL, source);
+    source->attackCost += attackcost.getValue();
+    source->attackCostBackup += attackcost.getValue();
+
+    return MTGAbility::addToGame();
+}
+
+int AAttackSetCost::destroy()
+{
+    
+    WParsedInt attackcost(number, NULL, source);
+    source->attackCost -= attackcost.getValue();
+    source->attackCostBackup -= attackcost.getValue();
+
+    return 1;
+}
+
+const string AAttackSetCost::getMenuText()
+{
+    return "Attack Cost";
+}
+
+AAttackSetCost * AAttackSetCost::clone() const
+{
+    return NEW AAttackSetCost(*this);
+}
+
+
 //a blink
 ABlink::ABlink(GameObserver* observer, int _id, MTGCardInstance * card, MTGCardInstance * _target, bool blinkueot, bool blinkForSource, bool blinkhand, MTGAbility * stored) :
 MTGAbility(observer, _id, card),blinkueot(blinkueot),blinkForSource(blinkForSource),blinkhand(blinkhand),stored(stored)

projects/mtg/src/MTGAbility.cpp

@@ -1179,6 +1179,13 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         observer->addObserver(NEW MTGAttackRule(observer, -1));
         return NULL;
     }
+    //this rule handles attacking cost ability during attacker phase
+    found = s.find("attackcostrule");
+    if(found != string::npos)
+    {
+        observer->addObserver(NEW MTGAttackCostRule(observer, -1));
+        return NULL;
+    }
     //this rule handles blocking ability during blocker phase
     found = s.find("blockrule");
     if(found != string::npos)
@@ -2829,6 +2836,12 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
         return NEW AReduceToAbility(observer, id, card,s.substr(9));
     }
 
+    //attack cost
+    if (s.find("attackcost:") != string::npos)
+    {
+        return NEW AAttackSetCost(observer, id, card, s.substr(11));
+    }
+
     //flanking
     if (s.find("flanker") != string::npos)
     {

projects/mtg/src/MTGCardInstance.cpp

@@ -209,6 +209,9 @@ void MTGCardInstance::initMTGCI()
     miracle = false;
     countTrini = 0;
     imprintedCards.clear();
+    attackCost = 0;
+    attackCostBackup = 0;
+    attackPlaneswalkerCost = 0;
     imprintG = 0;
     imprintU = 0;
     imprintR = 0;

projects/mtg/src/MTGRules.cpp

@@ -1348,12 +1348,74 @@ MTGOverloadRule * MTGOverloadRule::clone() const
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
+MTGAttackCostRule::MTGAttackCostRule(GameObserver* observer, int _id) :
+    PermanentAbility(observer, _id)
+{
+    aType = MTGAbility::ATTACK_COST;
+    scost = "Pay to attack";
+}
+
+int MTGAttackCostRule::isReactingToClick(MTGCardInstance * card, ManaCost *)
+{
+
+    if (currentPhase == MTG_PHASE_COMBATATTACKERS && card->controller() == game->currentPlayer && card->controller() == game->currentlyActing())//on my turn and when I am the acting player.
+    {
+        if(card->isPhased)
+            return 0;
+        if(card->attackCost < 1)
+            return 0;
+        ManaCost * playerMana = card->controller()->getManaPool();
+        ManaCost * attackcost = NEW ManaCost(ManaCost::parseManaCost("{0}",NULL,NULL));
+        attackcost->add(0,card->attackCostBackup);
+        if(attackcost->extraCosts)
+            for(unsigned int i = 0; i < attackcost->extraCosts->costs.size();i++)
+            {
+                attackcost->extraCosts->costs[i]->setSource(card);
+            }
+        scost = attackcost->getConvertedCost();
+        if (playerMana->canAfford(attackcost))
+            return 1;
+    }
+    return 0;
+}
+
+int MTGAttackCostRule::reactToClick(MTGCardInstance * card)
+{
+    if (!isReactingToClick(card))
+        return 0;
+    Player * player = game->currentlyActing();
+    ManaCost * attackcost = NEW ManaCost(ManaCost::parseManaCost("{0}",NULL,NULL));
+    attackcost->add(0,card->attackCostBackup);
+    ManaCost * playerMana = player->getManaPool();
+    player->getManaPool()->pay(attackcost);
+    card->attackCost = 0;
+    return 1;
+}
+
+ostream& MTGAttackCostRule::toString(ostream& out) const
+{
+    out << "MTGAttackCostRule ::: (";
+    return MTGAbility::toString(out) << ")";
+}
+
+const string MTGAttackCostRule::getMenuText()
+{
+    sprintf(menuText, "Pay to attack");
+    return menuText;
+}
+
+MTGAttackCostRule * MTGAttackCostRule::clone() const
+{
+    return NEW MTGAttackCostRule(*this);
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
 bool MTGAttackRule::select(Target* t)
 {
     if (CardView* c = dynamic_cast<CardView*>(t))
     {
         MTGCardInstance * card = c->getCard();
-        if (card->canAttack() && !card->isPhased)
+        if (card->canAttack() && !card->isPhased && card->attackCost < 1)
             return true;
     }
     return false;
@@ -1377,7 +1439,7 @@ int MTGAttackRule::isReactingToClick(MTGCardInstance * card, ManaCost *)
             return 0;
         if (card->isAttacker())
             return 1;
-        if (card->canAttack())
+        if (card->canAttack() && card->attackCost < 1)
             return 1;
     }
     return 0;
@@ -1453,7 +1515,7 @@ int MTGPlaneswalkerAttackRule::isReactingToClick(MTGCardInstance * card, ManaCos
             return 0;
         if (card->isAttacker())
             return 1;
-        if (card->canAttack())
+        if (card->canAttack() && card->attackPlaneswalkerCost < 1)
             return 1;
     }
     return 0;