CDA

CDA works by using "cdaactive" keyword on PT changes. Instead of
granting bonus, we modify the orig power and toughness since they are
dynamic PT. cdaactive are for cards like maro, tarmogoyf, etc. To
Follow/To Do: Additional Tests and other bug fix

projects/mtg/src/MTGCardInstance.cpp

@@ -68,7 +68,7 @@ MTGCardInstance::MTGCardInstance(MTGCard * card, MTGPlayerCards * arg_belongs_to
 
 void MTGCardInstance::applyPTL()
 {
-    //7a ??how to add cda(Characteristic Defining Ability)??
+    //7a ??(Characteristic Defining Ability)??
     power = origpower;
     toughness = origtoughness;
     //7b
@@ -80,17 +80,15 @@ void MTGCardInstance::applyPTL()
 	//7c - 7d shared?
     power += pbonus;
     toughness += tbonus;
-    life = toughness;
     //7e switch is last
     if (isPTswitch)
     {
         oldP = power;
         oldT = toughness;
-        this->addToToughness(oldP);
-        this->addToToughness(-oldT);
-        this->power = oldT;
+        toughness = oldP;
+        power = oldT;
     }
-    /* end */
+    life = toughness;
     doDamageTest = 1;
 }