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 union { 47 entvars_t v; // C exported fields from progs 48 int i[1]; // Variable length 49 float f[1]; 50 string_t s[1]; 51 } u; 52 // other fields from progs come immediately after 53 } edict_t; 54 #define EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,edict_t,area) 55 56 //============================================================================ 57 58 extern dprograms_t *progs; 59 extern dfunction_t *pr_functions; 60 extern char *pr_strings; 61 extern ddef_t *pr_globaldefs; 62 extern ddef_t *pr_fielddefs; 63 extern dstatement_t *pr_statements; 64 extern globalvars_t *pr_global_struct; 65 extern float *pr_globals; // same as pr_global_struct 66 67 extern int pr_edict_size; // in bytes 68 69 //============================================================================ 70 71 void PR_Init (void); 72 73 void PR_ExecuteProgram (func_t fnum); 74 void PR_LoadProgs (void); 75 76 void PR_Profile_f (void); 77 78 edict_t *ED_Alloc (void); 79 void ED_Free (edict_t *ed); 80 81 char *ED_NewString (const char *string); 82 // returns a copy of the string allocated from the server's string heap 83 84 void ED_Print (edict_t *ed); 85 void ED_Write (FILE *f, edict_t *ed); 86 char *ED_ParseEdict (char *data, edict_t *ent); 87 88 void ED_WriteGlobals (FILE *f); 89 void ED_ParseGlobals (char *data); 90 91 void ED_LoadFromFile (char *data); 92 93 //define EDICT_NUM(n) ((edict_t *)(sv.edicts+ (n)*pr_edict_size)) 94 //define NUM_FOR_EDICT(e) (((byte *)(e) - sv.edicts)/pr_edict_size) 95 96 edict_t *EDICT_NUM(int n); 97 int NUM_FOR_EDICT(edict_t *e); 98 99 #define NEXT_EDICT(e) ((edict_t *)( (byte *)e + pr_edict_size)) 100 101 #define EDICT_TO_PROG(e) ((byte *)e - (byte *)sv.edicts) 102 #define PROG_TO_EDICT(e) ((edict_t *)((byte *)sv.edicts + e)) 103 104 //============================================================================ 105 106 #define G_FLOAT(o) (pr_globals[o]) 107 #define G_INT(o) (*(int *)&pr_globals[o]) 108 #define G_EDICT(o) ((edict_t *)((byte *)sv.edicts+ *(int *)&pr_globals[o])) 109 #define G_EDICTNUM(o) NUM_FOR_EDICT(G_EDICT(o)) 110 #define G_VECTOR(o) (&pr_globals[o]) 111 #define G_STRING(o) (pr_strings + *(string_t *)&pr_globals[o]) 112 #define G_FUNCTION(o) (*(func_t *)&pr_globals[o]) 113 114 #define E_FLOAT(e,o) (((float*)&e->u.v)[o]) 115 #define E_INT(e,o) (*(int *)&((float*)&e->u.v)[o]) 116 #define E_VECTOR(e,o) (&((float*)&e->u.v)[o]) 117 #define E_STRING(e,o) (pr_strings + e->u.s[o]) 118 119 extern int type_size[8]; 120 121 typedef void (*builtin_t) (void); 122 extern builtin_t *pr_builtins; 123 extern int pr_numbuiltins; 124 125 extern int pr_argc; 126 127 extern qboolean pr_trace; 128 extern dfunction_t *pr_xfunction; 129 extern int pr_xstatement; 130 131 extern unsigned short pr_crc; 132 133 void PR_RunError (const char *error, ...); 134 135 void ED_PrintEdicts (void); 136 void ED_PrintNum (int ent); 137 138 eval_t *GetEdictFieldValue(edict_t *ed, const char *field); 139 140