src/game/action.h

   1 /*
   2  *
   3  *  Iter Vehemens ad Necem (IVAN)
   4  *  Copyright (C) Timo Kiviluoto
   5  *  Released under the GNU General
   6  *  Public License
   7  *
   8  *  See LICENSING which should be included
   9  *  along with this file for more details
  10  *
  11  */
  12 #ifndef __ACTION_H__
  13 #define __ACTION_H__
  14
  15 #include "typedef.h"
  16 #include "ivandef.h"
  17
  18
  19 class character;
  20 class action;
  21 class outputfile;
  22 class inputfile;
  23
  24 typedef action *(*actionspawner) (character *);
  25
  26
  27 class actionprototype {
  28 public:
  29   actionprototype (actionspawner, cchar *);
  30   action *SpawnAndLoad (inputfile &) const;
  31   cchar *GetClassID () const { return ClassID; }
  32   int GetIndex () const { return Index; }
  33
  34 private:
  35   int Index;
  36   actionspawner Spawner;
  37   cchar *ClassID;
  38 };
  39
  40
  41 class action {
  42 public:
  43   typedef actionprototype prototype;
  44   action () : Actor(0), Flags(0) {}
  45   virtual ~action () {}
  46   virtual void Handle () = 0;
  47   virtual void Terminate (truth);
  48   character *GetActor () const { return Actor; }
  49   void SetActor (character *What) { Actor = What; }
  50   virtual truth IsVoluntary () const { return true; }
  51   virtual truth AllowUnconsciousness () const { return true; }
  52   virtual truth AllowFoodConsumption () const { return true; }
  53   virtual truth TryDisplace () { return true; }
  54   virtual void Save (outputfile &) const;
  55   virtual void Load (inputfile &);
  56   virtual truth IsRest () const { return false; }
  57   virtual const prototype *GetProtoType () const = 0;
  58   int GetType () const { return GetProtoType()->GetIndex(); }
  59   virtual cchar *GetDescription () const = 0;
  60   truth InDNDMode () const { return Flags & IN_DND_MODE; }
  61   void ActivateInDNDMode () { Flags |= IN_DND_MODE; }
  62   virtual truth ShowEnvironment () const { return true; }
  63   virtual cchar *GetDeathExplanation () const { return ""; }
  64   virtual truth CanBeTalkedTo () const { return true; }
  65   virtual truth IsUnconsciousness () const { return false; }
  66
  67 protected:
  68   character *Actor;
  69   uLong Flags;
  70 };
  71
  72
  73 template <class type, class base> class actionsysbase : public base {
  74 public:
  75   typedef actionsysbase mybase;
  76   static type *Spawn (character *Actor) {
  77     type *T = new type;
  78     T->Actor = Actor;
  79     return T;
  80   }
  81   virtual const actionprototype *GetProtoType () const { return &ProtoType; }
  82   static const actionprototype ProtoType;
  83 };
  84
  85
  86 #ifdef __FILE_OF_STATIC_ACTION_PROTOTYPE_DEFINITIONS__
  87 #define ACTION_PROTO(name)\
  88 template<> const actionprototype\
  89   name##sysbase::ProtoType((actionspawner)(&name##sysbase::Spawn), #name);
  90 #else
  91 #define ACTION_PROTO(name)
  92 #endif
  93
  94 #define ACTION(name, base)\
  95 class name;\
  96 typedef actionsysbase<name, base> name##sysbase;\
  97 ACTION_PROTO(name)\
  98 class name : public name##sysbase
  99
 100
 101 #endif