Erwan

- (Finally) adding "must" abilities. Usage is as natural as possible, check Aven cloudchaser in 10E.

projects/mtg/bin/Res/sets/10E/_cards.dat

@@ -175,6 +175,19 @@ type=Sorcery
 mana={2}{B}
 [/card]
 [card]
+text=Flying (This creature can't be blocked except by creatures with flying or reach.)   When Aven Cloudchaser comes into play, destroy target enchantment.
+id=129470
+name=Aven Cloudchaser
+auto=destroy target(enchantment)
+rarity=C
+color=White
+type=Creature
+mana={3}{W}
+power=2
+subtype=Bird Soldier
+toughness=2
+[/card]
+[card]
 text=Flying (This creature can't be blocked except by creatures with flying or reach.)  When Aven Fisher is put into a graveyard from play, you may draw a card.
 abilities=flying
 auto=@movedTo(this|graveyard):draw:1

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

@@ -31,6 +31,8 @@ generic/legendary.txt
 generic/lifelink.txt
 generic/m10_blockers.txt
 generic/m10_blockers2.txt
+generic/must1.txt
+generic/must2.txt
 generic/nofizzle.txt
 generic/persist.txt
 generic/persist2.txt

projects/mtg/bin/Res/test/generic/must1.txt

@@ -0,0 +1,19 @@
+#Test:"must" abilities
+[INIT]
+FIRSTMAIN
+[PLAYER1]
+manapool:{3}{W}
+hand:Aven Cloudchaser
+inplay:lifeforce
+[PLAYER2]
+[DO]
+Aven cloudchaser
+choice 0
+lifeforce
+[ASSERT]
+FIRSTMAIN
+[PLAYER1]
+inplay:aven cloudchaser
+graveyard:lifeforce
+[PLAYER2]
+[END]

projects/mtg/bin/Res/test/generic/must2.txt

@@ -0,0 +1,16 @@
+#Test:"must" abilities
+[INIT]
+FIRSTMAIN
+[PLAYER1]
+manapool:{3}{W}{1}
+hand:Aven Cloudchaser,black vise
+[PLAYER2]
+[DO]
+Aven cloudchaser
+black vise
+[ASSERT]
+FIRSTMAIN
+[PLAYER1]
+inplay:aven cloudchaser,black vise
+[PLAYER2]
+[END]

projects/mtg/include/ActionLayer.h

@@ -37,7 +37,7 @@ class ActionLayer: public GuiLayer, public JGuiListener{
   int reactToClick(ActionElement * ability,MTGCardInstance * card);
   int reactToTargetClick(ActionElement * ability,Targetable * card);
   int stillInUse(MTGCardInstance * card);
-  void setMenuObject(Targetable * object);
+  void setMenuObject(Targetable * object, bool must = false);
   void ButtonPressed(int controllerid, int controlid);
   void doReactTo(int menuIndex);
   TargetChooser * getCurrentTargetChooser();
@@ -47,6 +47,7 @@ class ActionLayer: public GuiLayer, public JGuiListener{
   int cleanGarbage();
 protected:
   ActionElement * currentWaitingAction;
+  int cantCancel;
 };
 
 

projects/mtg/include/AllAbilities.h

@@ -267,9 +267,10 @@ class AAFizzler:public ActivatedAbility{
 class MayAbility:public MTGAbility{
 public:
   int triggered;
+  bool must;
   MTGAbility * ability;
   MTGAbility * mClone;
-  MayAbility(int _id, MTGAbility * _ability,  MTGCardInstance * _source):MTGAbility(_id,_source),ability(_ability){
+  MayAbility(int _id, MTGAbility * _ability,  MTGCardInstance * _source, bool must = false):MTGAbility(_id,_source),must(must),ability(_ability){
     triggered = 0;
     mClone = NULL;
   }
@@ -279,7 +280,10 @@ public:
     MTGAbility::Update(dt);
     if (!triggered){
       triggered = 1;
-      game->mLayers->actionLayer()->setMenuObject(source);
+      if (TargetAbility * ta = dynamic_cast<TargetAbility *>(ability)){
+        if (!ta->tc->validTargetsExist()) return;
+      }
+      game->mLayers->actionLayer()->setMenuObject(source,must);
       game->mLayers->stackLayer()->setIsInterrupting(source->controller());
       OutputDebugString("ALLABILITIES SetMenuObject!\n");
     }

projects/mtg/include/TargetChooser.h

@@ -42,7 +42,7 @@ class TargetChooser: public TargetsList {
   MTGCardInstance * targetter; //Optional, usually equals source, used for protection from...
   
   int maxtargets; //Set to -1 for "unlimited"
-
+  bool validTargetsExist();
   virtual int setAllZones(){return 0;}
   virtual bool targetsZone(MTGGameZone * z){return false;};
   int ForceTargetListReady();

projects/mtg/src/ActionLayer.cpp

@@ -94,6 +94,14 @@ void ActionLayer::Update(float dt){
     }
   }
 
+  if (cantCancel){
+    ActionElement * ae = isWaitingForAnswer();
+    if (ae && !ae->tc->validTargetsExist()) {
+      cantCancel = 0;
+      cancelCurrentAction();
+    }
+  }
+
 }
 
 void ActionLayer::Render (){
@@ -113,6 +121,7 @@ void ActionLayer::Render (){
 void ActionLayer::setCurrentWaitingAction(ActionElement * ae){
   assert(!ae || !currentWaitingAction);
   currentWaitingAction = ae;
+  if (!ae) cantCancel = 0;
 }
 
 TargetChooser * ActionLayer::getCurrentTargetChooser(){
@@ -124,6 +133,7 @@ TargetChooser * ActionLayer::getCurrentTargetChooser(){
 int ActionLayer::cancelCurrentAction(){
   ActionElement * ae = isWaitingForAnswer();
   if (!ae) return 0;
+  if (cantCancel && ae->tc->validTargetsExist()) return 0;
   ae->waitingForAnswer = 0; //TODO MOVE THIS IN ActionElement
   setCurrentWaitingAction(NULL);
   return 1;
@@ -206,12 +216,12 @@ int ActionLayer::reactToClick(MTGCardInstance * card){
 }
 
 
-void ActionLayer::setMenuObject(Targetable * object){
+void ActionLayer::setMenuObject(Targetable * object, bool must){
   menuObject = object;
 
   SAFE_DELETE(abilitiesMenu);
 
-  abilitiesMenu = NEW SimpleMenu(10, this, Constants::MAIN_FONT, 100, 100);
+  abilitiesMenu = NEW SimpleMenu(10, this, Constants::MAIN_FONT, 100, 100,object->getDisplayName().c_str());
 
   for (int i=0;i<mCount;i++){
     ActionElement * currentAction = (ActionElement *)mObjects[i];
@@ -219,7 +229,8 @@ void ActionLayer::setMenuObject(Targetable * object){
       abilitiesMenu->Add(i,currentAction->getMenuText());
     }
   }
-  abilitiesMenu->Add(-1, "Cancel");
+  if (!must) abilitiesMenu->Add(-1, "Cancel");
+  else cantCancel = 1;
   modal = 1;
 }
 
@@ -252,6 +263,7 @@ ActionLayer::ActionLayer(){
   abilitiesMenu = NULL; 
   stuffHappened = 0;
   currentWaitingAction = NULL;
+  cantCancel = 0;
 }
 
 ActionLayer::~ActionLayer(){

projects/mtg/src/MTGAbility.cpp

@@ -206,17 +206,35 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
 
   int restrictions = parseRestriction(s);
 
-  size_t delimiter = s.find("}:");
+  TargetChooser * tc = NULL;
-  size_t firstNonSpace = s.find_first_not_of(" ");
+  string sWithoutTc = s;
-  if (delimiter!= string::npos && firstNonSpace !=string::npos && s[firstNonSpace] == '{'){
+  //Target Abilities
-    ManaCost * cost  = ManaCost::parseManaCost(s.substr(0,delimiter+1),NULL,card);
+  found = s.find("target(");
+  if (found != string::npos){
+    int end = s.find(")", found);
+    string starget = s.substr(found + 7,end - found - 7);
+    TargetChooserFactory tcf;
+    tc = tcf.createTargetChooser(starget, card);
+    if (tc && s.find("notatarget(") != string::npos){
+      tc->targetter = NULL;
+      found = found - 4;
+    }
+    string temp = s.substr(0,found);
+    temp.append(s.substr(end+1));
+    sWithoutTc = temp;
+  }
+
+  size_t delimiter = sWithoutTc.find("}:");
+  size_t firstNonSpace = sWithoutTc.find_first_not_of(" ");
+  if (delimiter!= string::npos && firstNonSpace !=string::npos && sWithoutTc[firstNonSpace] == '{'){
+    ManaCost * cost  = ManaCost::parseManaCost(sWithoutTc.substr(0,delimiter+1),NULL,card);
     if (doTap || cost){
-      string s1 = s.substr(delimiter+2);
+      string s1 = sWithoutTc.substr(delimiter+2);
       
       MTGAbility * a = parseMagicLine(s1, id, spell, card, 1);
       if (!a){
         OutputDebugString("ABILITYFACTORY Error parsing:");
-        OutputDebugString(s.c_str());
+        OutputDebugString(sWithoutTc.c_str());
         OutputDebugString("\n");
         return NULL;
       }
@@ -231,21 +249,12 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
       }
 
       int limit = 0;
-      unsigned int limit_str = s.find("limit:");
+      unsigned int limit_str = sWithoutTc.find("limit:");
       if (limit_str != string::npos){
-        limit = atoi(s.substr(limit_str+6).c_str());
+        limit = atoi(sWithoutTc.substr(limit_str+6).c_str());
       }
 
-      TargetChooser * tc = NULL;
+
-      //Target Abilities
-      found = s.find("target(");
-      if (found != string::npos){
-        int end = s.find(")", found);
-        string starget = s.substr(found + 7,end - found - 7);
-        TargetChooserFactory tcf;
-        tc = tcf.createTargetChooser(starget, card);
-        if (tc && s.find("notatarget(") != string::npos) tc->targetter = NULL;
-      }
 
       AEquip *ae = dynamic_cast<AEquip*>(a);
       if (ae){
@@ -264,6 +273,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
     SAFE_DELETE(cost);
   }
   
+  
   //kicker cost
   found = s.find("kicker ");
   if (found == 0){
@@ -276,19 +286,10 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
   //When...comes into play, you may...
   found = s.find("may ");
   if (found == 0){
-    string s1 = s.substr(found+4);
+    string s1 = sWithoutTc.substr(found+4);
     MTGAbility * a1 = parseMagicLine(s1,id,spell, card);
     if (!a1) return NULL;
-    TargetChooser * tc = NULL;
+
-    //Target Abilities
-    found = s.find("target(");
-    if (found != string::npos){
-      int end = s.find(")", found);
-      string starget = s.substr(found + 7,end - found - 7);
-      TargetChooserFactory tcf;
-      tc = tcf.createTargetChooser(starget, card);
-      if (tc && s.find("notatarget(") != string::npos) tc->targetter = NULL;
-    }
     if (tc) a1 = NEW GenericTargetAbility(id, card, tc, a1);
     else a1 =  NEW GenericActivatedAbility(id, card, a1,NULL);
     return NEW MayAbility(id,a1,card);
@@ -298,6 +299,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
   //Multiple abilities for ONE cost
   found = s.find("&&");
   if (found != string::npos){
+    SAFE_DELETE(tc);
     string s1 = s.substr(0,found);
     string s2 = s.substr(found+2);
     MultiAbility * multi = NEW MultiAbility(id, card,target,NULL,NULL);
@@ -321,6 +323,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
     }
   }
   if (found != string::npos){
+    SAFE_DELETE(tc);
     size_t header = lords[i].size();
     size_t end = s.find(")", found+header);
     string s1;
@@ -381,6 +384,21 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
     return NULL;
   }
 
+  if (!activated &&  tc){
+      
+      MTGAbility * a = parseMagicLine(sWithoutTc, id, spell, card);
+      if (!a){
+        OutputDebugString("ABILITYFACTORY Error parsing:");
+        OutputDebugString(s.c_str());
+        OutputDebugString("\n");
+        return NULL;
+      }
+      a = NEW GenericTargetAbility(id,card,tc,a);
+      return NEW MayAbility(id,a,card,true);
+  }
+
+  SAFE_DELETE(tc);
+
    //Cycling
   found = s.find("cycling");
   if (found != string::npos){
@@ -472,7 +490,7 @@ MTGAbility * AbilityFactory::parseMagicLine(string s, int id, Spell * spell, MTG
   }
 
   //Copy a target
-  found = s.find("copy ");
+  found = s.find("copy");
   if (found != string::npos){
     MTGAbility * a = NEW AACopier(id,card,target);
     a->oneShot = 1;

projects/mtg/src/TargetChooser.cpp

@@ -386,6 +386,23 @@ int TargetChooser::targetListSet(){
   return 0;
 }
 
+bool TargetChooser::validTargetsExist(){
+  for (int i = 0; i < 2; ++i){
+    Player *p = GameObserver::GetInstance()->players[i];
+    if (canTarget(p)) return true;
+    MTGGameZone * zones[] = {p->game->inPlay,p->game->graveyard,p->game->hand,p->game->library};
+    for (int k = 0; k < 4; k++){
+      MTGGameZone * z = zones[k];
+      if (targetsZone(z)){
+        for (int j = 0; j < z->nb_cards; j++){
+          if (canTarget(z->cards[j])) return true;
+        }
+      }
+    }
+  }
+  return false;
+}
+
 /**
   a specific Card
 **/