alpha_magic_40_scratch.cpp

#include <iostream>
using namespace std;


// Current Cards
// Mountain

// Future Cards
// Forest
// Lightning Bolt, Giant Growth, Earthquake
// Kird Ape, Granite Gargoyle, Llanowar Elf


// effects get mapped to EffectDef functions when cards are instantiated for a deck 
struct Effect {             
  string name;          // flying, mana_red, mana_green, damage, change_power_toughness 
  int amount;           
  string amountType;    // any_amount        
  string targetType;    // any_player_or_creature, all_non_flyers, self
  string trigger;       // on_choose_blockers (for flying), on_cast, on_activate,
                        // on_owner_lands_change (for kird ape)
};       


// a struct, based on player actions, that gets passed into an EffectDef function
struct TargetInfo {             
   int amount;
   string targetType;   // creature, player, all_non_flyers
   int targetId;        // the id of the creature or player
};


// map all of a Card's Effects into functions of this signature when cards are instantiated for a deck 
typedef void (*EffectDef) (int effectOwner, Effect e, TargetInfo targetInfo);


struct Card {             
  int id;              // assign when card is instantiated for a deck
  string name;         // human readadble name
  string cardType;     // land, instant, sorcery, creature

  // reallocate these as needed because C++ doesn't have flexiable arrays
  // https://stackoverflow.com/a/4413035
  Effect effects[0]; 
  // when a card is instantiated, turn each of effects into a function   
  EffectDef activatedEffectDefs[0]; 
};       


void doManaEffect(int effectOwner, Effect e, TargetInfo t) { 
   // add mana to a player's pool
   // do Effect e for Card c based on TargetInfo t 
}


int main() {

   int lastCardId = 0;

   // make a card with one effect
   struct Card* m = (struct Card*) malloc( sizeof(struct Card) + sizeof(Effect) + sizeof(EffectDef));
   m->id = lastCardId;
   m->name = "Mountain";
   m->cardType = "land";

   Effect mManaEffect;
   mManaEffect.name = "mana_red";
   mManaEffect.amount = 1;
   mManaEffect.targetType = "self";
   mManaEffect.trigger = "on_activate";
   m->effects[0] = mManaEffect;
   m->activatedEffectDefs[0] = doManaEffect;

   cout << "Card " << m->name << " is a " << m->cardType; 
   return 0;
}