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  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.  
  135.