Fixed bug with preventing Melira from putting +1/+1 counters on creatures you control

projects/mtg/bin/Res/test/_tests.txt

@@ -233,6 +233,7 @@ control_magic3.txt
 control_magic4.txt
 corrupt.txt
 counsel_of_the_soratami.txt
+countershroud.txt
 counterspell.txt
 counterspell2.txt
 counterspell3.txt

projects/mtg/bin/Res/test/countershroud.txt

@@ -0,0 +1,36 @@
+# Testing Melira, Sylvok Outcast (keyword "countershroud")
+
+# Melira, Sylvok Outcast
+# id=194274
+# 2/2
+# You can't get poison counters. Creatures you control can't have -1/-1 counters placed on them. Creatures your opponents control lose infect.
+
+[INIT]
+FIRSTMAIN
+[PLAYER1]
+inplay:194274,grizzly bears,Gavony Township
+manapool:{2}{W}{G}
+[PLAYER2]
+[DO]
+Gavony Township
+choice 1
+next
+#combatbegins
+next
+#attackers
+194274
+grizzly bears
+next
+#blockers
+next
+#combatdamage
+next
+#combatend
+[ASSERT]
+COMBATEND
+[PLAYER1]
+inplay:194274,grizzly bears,Gavony Township
+manapool:{0}
+[PLAYER2]
+life:14
+[END]

projects/mtg/include/ReplacementEffects.h

@@ -42,13 +42,15 @@ protected:
     MTGAbility * source;
     MTGCardInstance * cardSource;
     MTGCardInstance * cardTarget;
-    TargetChooser * TargetingCards;
+    TargetChooser * tc;
     Counter * counter;
 public:
-    RECountersPrevention(MTGAbility * _source,MTGCardInstance * cardSource = NULL,MTGCardInstance * cardTarget = NULL,TargetChooser * tc = NULL,Counter * counter = NULL);
+    RECountersPrevention(MTGAbility * _source, MTGCardInstance * cardSource = NULL,
+        MTGCardInstance * cardTarget = NULL, TargetChooser * tc = NULL, Counter * counter = NULL);
     WEvent * replace(WEvent *e);
     ~RECountersPrevention();
 };
+
 class REDrawReplacement: public ReplacementEffect
 {
 protected:

projects/mtg/src/ReplacementEffects.cpp

@@ -49,8 +49,9 @@ REDamagePrevention::~REDamagePrevention()
     SAFE_DELETE(tcTarget);
 }
 //counters replacement effect///////////////////
-RECountersPrevention::RECountersPrevention(MTGAbility * source,MTGCardInstance * cardSource,MTGCardInstance * cardTarget,TargetChooser * tc,Counter * counter) :
+RECountersPrevention::RECountersPrevention(MTGAbility * source, MTGCardInstance * cardSource,
-    source(source),cardSource(cardSource),cardTarget(cardTarget),TargetingCards(tc),counter(counter)
+    MTGCardInstance * cardTarget, TargetChooser * tc, Counter * counter) :
+    source(source), cardSource(cardSource), cardTarget(cardTarget), tc(tc), counter(counter)
 {
 }
 
@@ -59,23 +60,25 @@ RECountersPrevention::RECountersPrevention(MTGAbility * source,MTGCardInstance *
     if (!event) return event;
     WEventCounters * e = dynamic_cast<WEventCounters*> (event);
     if (!e) return event;
-        if((MTGCardInstance*)e->targetCard)
+    MTGCardInstance * target = e->targetCard;
+    if (target)
     {
-            if((MTGCardInstance*)e->targetCard == cardSource && counter)
+        if (target == cardSource || (tc && tc->canTarget(target)))
         {
+            // counter == NULL means "any counter"
+            if (!counter)
+                return NULL;
+
             if (e->power == counter->power && e->toughness == counter->toughness && e->name == counter->name)
-                    return event = NULL;
+                return NULL;
         }
-            else if((MTGCardInstance*)e->targetCard == cardSource)
-                return event = NULL;
-            else if(TargetingCards && TargetingCards->canTarget((MTGCardInstance*)e->targetCard))
-                return event = NULL;
     }
     return event;
 }
+
 RECountersPrevention::~RECountersPrevention()
 {
-    SAFE_DELETE(TargetingCards);
+    SAFE_DELETE(tc);
 }
 ////--draw replacement---------------------
 REDrawReplacement::REDrawReplacement(MTGAbility * source, Player * Drawer, MTGAbility * replaceWith) :