progs.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20
  21 #include "pr_comp.h"                    // defs shared with qcc
  22 #include "progdefs.h"                   // generated by program cdefs
  23
  24 typedef union eval_s
  25 {
  26         string_t                string;
  27         float                   _float;
  28         float                   vector[3];
  29         func_t                  function;
  30         int                             _int;
  31         int                             edict;
  32 } eval_t;
  33
  34 #define MAX_ENT_LEAFS   16
  35 typedef struct edict_s
  36 {
  37         qboolean        free;
  38         link_t          area;                           // linked to a division node or leaf
  39
  40         int                     num_leafs;
  41         short           leafnums[MAX_ENT_LEAFS];
  42
  43         entity_state_t  baseline;
  44
  45         float           freetime;                       // sv.time when the object was freed
  46         entvars_t       v;                                      // C exported fields from progs
  47 // other fields from progs come immediately after
  48 } edict_t;
  49 #define EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,edict_t,area)
  50
  51 //============================================================================
  52
  53 extern  dprograms_t             *progs;
  54 extern  dfunction_t             *pr_functions;
  55 extern  char                    *pr_strings;
  56 extern  ddef_t                  *pr_globaldefs;
  57 extern  ddef_t                  *pr_fielddefs;
  58 extern  dstatement_t    *pr_statements;
  59 extern  globalvars_t    *pr_global_struct;
  60 extern  float                   *pr_globals;                    // same as pr_global_struct
  61
  62 extern  int                             pr_edict_size;  // in bytes
  63
  64 //============================================================================
  65
  66 void PR_Init (void);
  67
  68 void PR_ExecuteProgram (func_t fnum);
  69 void PR_LoadProgs (void);
  70
  71 void PR_Profile_f (void);
  72
  73 edict_t *ED_Alloc (void);
  74 void ED_Free (edict_t *ed);
  75
  76 char    *ED_NewString (char *string);
  77 // returns a copy of the string allocated from the server's string heap
  78
  79 void ED_Print (edict_t *ed);
  80 void ED_Write (FILE *f, edict_t *ed);
  81 char *ED_ParseEdict (char *data, edict_t *ent);
  82
  83 void ED_WriteGlobals (FILE *f);
  84 void ED_ParseGlobals (char *data);
  85
  86 void ED_LoadFromFile (char *data);
  87
  88 //define EDICT_NUM(n) ((edict_t *)(sv.edicts+ (n)*pr_edict_size))
  89 //define NUM_FOR_EDICT(e) (((byte *)(e) - sv.edicts)/pr_edict_size)
  90
  91 edict_t *EDICT_NUM(int n);
  92 int NUM_FOR_EDICT(edict_t *e);
  93
  94 #define NEXT_EDICT(e) ((edict_t *)( (byte *)e + pr_edict_size))
  95
  96 #define EDICT_TO_PROG(e) ((byte *)e - (byte *)sv.edicts)
  97 #define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e))
  98
  99 //============================================================================
 100
 101 #define G_FLOAT(o) (pr_globals[o])
 102 #define G_INT(o) (*(int *)&pr_globals[o])
 103 #define G_EDICT(o) ((edict_t *)((byte *)sv.edicts+ *(int *)&pr_globals[o]))
 104 #define G_EDICTNUM(o) NUM_FOR_EDICT(G_EDICT(o))
 105 #define G_VECTOR(o) (&pr_globals[o])
 106 #define G_STRING(o) (pr_strings + *(string_t *)&pr_globals[o])
 107 #define G_FUNCTION(o) (*(func_t *)&pr_globals[o])
 108
 109 #define E_FLOAT(e,o) (((float*)&e->v)[o])
 110 #define E_INT(e,o) (*(int *)&((float*)&e->v)[o])
 111 #define E_VECTOR(e,o) (&((float*)&e->v)[o])
 112 #define E_STRING(e,o) (pr_strings + *(string_t *)&((float*)&e->v)[o])
 113
 114 extern  int             type_size[8];
 115
 116 typedef void (*builtin_t) (void);
 117 extern  builtin_t *pr_builtins;
 118 extern int pr_numbuiltins;
 119
 120 extern int              pr_argc;
 121
 122 extern  qboolean        pr_trace;
 123 extern  dfunction_t     *pr_xfunction;
 124 extern  int                     pr_xstatement;
 125
 126 extern  unsigned short          pr_crc;
 127
 128 void PR_RunError (char *error, ...);
 129
 130 void ED_PrintEdicts (void);
 131 void ED_PrintNum (int ent);
 132
 133 eval_t *GetEdictFieldValue(edict_t *ed, char *field);
 134