ObjManager.h

   1
   2 #ifndef _OBJMANAGER_H
   3 #define _OBJMANAGER_H
   4
   5 namespace Objects
   6 {
   7         void UpdateBlockStates(void);
   8         int CountType(int objtype);
   9
  10         void RunAI(void);
  11         void PhysicsSim(void);
  12
  13         int IsRearTopAttack(Object *o);
  14
  15         void CullDeleted(void);
  16         void DestroyAll(bool delete_player);
  17
  18         Object *FindByType(int type);
  19 };
  20
  21 // synonyms
  22 #define CountObjectsOfType              Objects::CountType
  23 #define FOREACH_OBJECT(O)               for(O=firstobject; O; O=O->next)
  24
  25 // max expected objects to exist at once (for buffer allocation)
  26 #define MAX_OBJECTS                             1024
  27
  28 enum CreateObjectFlags
  29 {
  30         CF_NO_SPAWN_EVENT       = 0x01,         // inhibit calling OnSpawn
  31
  32         CF_DEFAULT                      = 0x00
  33 };
  34
  35 Object *CreateObject(int x, int y, int type);
  36 Object *CreateObject(int x, int y, int type, int xinertia, int yinertia, \
  37                                         int dir=0, Object *linkedobject=NULL, uint32_t createflags=CF_DEFAULT);
  38
  39
  40 // ObjProp definitions
  41 struct ObjProp
  42 {
  43         // NXEngine-specific
  44         int sprite;
  45         int shaketime;                  // how long it shakes for when hit
  46
  47         uint32_t defaultnxflags;
  48
  49         // from npc.tbl
  50         int initial_hp;
  51         int xponkill;
  52         int damage;
  53         int hurt_sound, death_sound;
  54         int death_smoke_amt;
  55
  56         uint32_t defaultflags;
  57
  58         // AI routines
  59         struct
  60         {
  61                 // executed every tick
  62                 void (*ontick)(Object *o);
  63                 // executed after physics sim has been done
  64                 void (*aftermove)(Object *o);
  65                 // if present, then when damage to the object causes it's hp to <= 0,
  66                 // this is executed instead of destroying the object or following the
  67                 // normal boom/spawn powerups routine.
  68                 void (*ondeath)(Object *o);
  69                 // executed when the object is first created or it's type is changed.
  70                 // intended for static objects which only require a small amount of
  71                 // initilization. This is NOT guaranteed to be only called exactly once
  72                 // for a given object.
  73                 void (*onspawn)(Object *o);
  74         } ai_routines;
  75 };
  76
  77
  78 extern ObjProp objprop[OBJ_LAST];
  79 extern Object *firstobject, *lastobject;
  80 extern Object *lowestobject, *highestobject;
  81
  82 #endif