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 "ivancommon.h"
  16
  17 #include "typedef.h"
  18 #include "ivandef.h"
  19
  20
  21 class character;
  22 class action;
  23 class outputfile;
  24 class inputfile;
  25
  26 typedef action *(*actionspawner) (character *);
  27
  28
  29 class actionprototype {
  30 public:
  31   actionprototype (actionspawner, cchar *);
  32   action *SpawnAndLoad (inputfile &) const;
  33   cchar *GetClassID () const { return ClassID; }
  34   int GetIndex () const { return Index; }
  35
  36 private:
  37   int Index;
  38   actionspawner Spawner;
  39   cchar *ClassID;
  40 };
  41
  42
  43 class action {
  44 public:
  45   typedef actionprototype prototype;
  46
  47 public:
  48   action () : Actor(0), Flags(0) {}
  49   virtual ~action () {}
  50
  51   virtual void Handle () = 0;
  52   virtual void Terminate (truth);
  53   character *GetActor () const { return Actor; }
  54   void SetActor (character *What) { Actor = What; }
  55   virtual truth IsVoluntary () const { return true; }
  56   virtual truth AllowUnconsciousness () const { return true; }
  57   virtual truth AllowFoodConsumption () const { return true; }
  58   virtual truth TryDisplace () { return true; }
  59   virtual void Save (outputfile &) const;
  60   virtual void Load (inputfile &);
  61   virtual truth IsRest () const { return false; }
  62   virtual const prototype *GetProtoType () const = 0;
  63   int GetType () const { return GetProtoType()->GetIndex(); }
  64   virtual cchar *GetDescription () const = 0;
  65   truth InDNDMode () const { return Flags & IN_DND_MODE; }
  66   void ActivateInDNDMode () { Flags |= IN_DND_MODE; }
  67   virtual truth ShowEnvironment () const { return true; }
  68   virtual cchar *GetDeathExplanation () const { return ""; }
  69   virtual truth CanBeTalkedTo () const { return true; }
  70   virtual truth IsUnconsciousness () const { return false; }
  71
  72 protected:
  73   character *Actor;
  74   feuLong Flags;
  75 };
  76
  77
  78 template <class type, class base> class actionsysbase : public base {
  79 public:
  80   typedef actionsysbase mybase;
  81   static type *Spawn (character *Actor) {
  82     type *T = new type;
  83     T->Actor = Actor;
  84     return T;
  85   }
  86   virtual const actionprototype *GetProtoType () const { return &ProtoType; }
  87   static const actionprototype ProtoType;
  88 };
  89
  90
  91 #ifdef __FILE_OF_STATIC_ACTION_PROTOTYPE_DEFINITIONS__
  92 #define ACTION_PROTO(name)\
  93 template<> const actionprototype\
  94   name##sysbase::ProtoType((actionspawner)(&name##sysbase::Spawn), #name);
  95 #else
  96 #define ACTION_PROTO(name)
  97 #endif
  98
  99 #define ACTION(name, base)\
 100 class name;\
 101 typedef actionsysbase<name, base> name##sysbase;\
 102 ACTION_PROTO(name)\
 103 class name : public name##sysbase
 104
 105
 106 #endif