2.11BSD#431 - /usr/src/games/warp/object.c

   1: /* $Header: object.c,v 7.0 86/10/08 15:12:55 lwall Exp $ */
   2: 
   3: /* $Log:	object.c,v $
   4:  * Revision 7.0  86/10/08  15:12:55  lwall
   5:  * Split into separate files.  Added amoebas and pirates.
   6:  *
   7:  */
   8: 
   9: #include "EXTERN.h"
  10: #include "warp.h"
  11: #include "INTERN.h"
  12: #include "object.h"
  13: 
  14: void
  15: object_init()
  16: {
  17:     ;
  18: }
  19: 
  20: OBJECT *
  21: make_object(typ, img, py, px, vy, vx, energ, mas, where)
  22: char typ;
  23: char img;
  24: int px, py, vx, vy;
  25: long energ, mas;
  26: OBJECT *where;
  27: {
  28:     Reg1 OBJECT *obj;
  29: 
  30:     if (free_root.next == &free_root)
  31: #ifndef lint
  32:     obj = (OBJECT *) malloc(sizeof root);
  33: #else
  34:     obj = Null(OBJECT*);
  35: #endif
  36:     else {
  37:     obj = free_root.next;
  38:     free_root.next = obj->next;
  39:     obj->next->prev = &free_root;
  40:     }
  41:     obj->type = typ;
  42:     obj->image = img;
  43:     obj->next = where;
  44:     obj->prev = where->prev;
  45:     where->prev = obj;
  46:     obj->prev->next = obj;
  47:     obj->velx = vx;
  48:     obj->vely = vy;
  49:     obj->contend = 0;
  50:     obj->strategy = 0;
  51:     obj->flags = 0;
  52:     obj->posx = px;
  53:     obj->posy = py;
  54:     if (typ != Torp && typ != Web) {
  55:     occupant[py][px] = obj;
  56:     }
  57:     obj->energy = energ;
  58:     obj->mass = mas;
  59:     return(obj);
  60: }
  61: 
  62: void
  63: unmake_object(curobj)
  64: Reg1 OBJECT *curobj;
  65: {
  66:     curobj->prev->next = curobj->next;
  67:     curobj->next->prev = curobj->prev;
  68:     if (curobj == movers) {
  69:     movers = curobj->next;
  70:     }
  71:     free_object(curobj);
  72: }
  73: 
  74: void
  75: free_object(curobj)
  76: Reg1 OBJECT *curobj;
  77: {
  78:     curobj->next = free_root.next;
  79:     curobj->prev = &free_root;
  80:     free_root.next->prev = curobj;
  81:     free_root.next = curobj;
  82: }

Defined functions