progsvm.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 This is a try to make the vm more generic, it is mainly based on the progs.h file.
  22 For the license refer to progs.h.
  23
  24 Generic means, less as possible hard-coded links with the other parts of the engine.
  25 This means no edict_engineprivate struct usage, etc.
  26 The code uses void pointers instead.
  27 */
  28
  29 #ifndef PROGSVM_H
  30 #define PROGSVM_H
  31
  32 #include "pr_comp.h"                    // defs shared with qcc
  33 #include "progdefs.h"                   // generated by program cdefs
  34 #include "clprogdefs.h"                 // generated by program cdefs
  35
  36 #ifndef DP_SMALLMEMORY
  37 #define PROFILING
  38 #endif
  39
  40 typedef struct prvm_stack_s
  41 {
  42         int                             s;
  43         mfunction_t             *f;
  44         double                  tprofile_acc;
  45         double                  profile_acc;
  46         double                  builtinsprofile_acc;
  47 } prvm_stack_t;
  48
  49
  50 typedef union prvm_eval_s
  51 {
  52         prvm_int_t              string;
  53         prvm_vec_t      _float;
  54         prvm_vec_t      vector[3];
  55         prvm_int_t              function;
  56         prvm_int_t              ivector[3];
  57         prvm_int_t              _int;
  58         prvm_int_t              edict;
  59 } prvm_eval_t;
  60
  61 typedef struct prvm_required_field_s
  62 {
  63         int type;
  64         const char *name;
  65 } prvm_required_field_t;
  66
  67
  68 // AK: I dont call it engine private cause it doesnt really belongs to the engine
  69 //     it belongs to prvm.
  70 typedef struct prvm_edict_private_s
  71 {
  72         qboolean free;
  73         double freetime; // realtime of last change to "free" (i.e. also set on allocation)
  74         int mark; // used during leaktest (0 = unref, >0 = referenced); special values during server physics:
  75 #define PRVM_EDICT_MARK_WAIT_FOR_SETORIGIN -1
  76 #define PRVM_EDICT_MARK_SETORIGIN_CAUGHT -2
  77         const char *allocation_origin;
  78 } prvm_edict_private_t;
  79
  80 typedef struct prvm_edict_s
  81 {
  82         // engine-private fields (stored in dynamically resized array)
  83         //edict_engineprivate_t *e;
  84         union
  85         {
  86                 prvm_edict_private_t *required;
  87                 prvm_vec_t *fp;
  88                 prvm_int_t *ip;
  89                 // FIXME: this server pointer really means world, not server
  90                 // (it is used by both server qc and client qc, but not menu qc)
  91                 edict_engineprivate_t *server;
  92                 // add other private structs as you desire
  93                 // new structs have to start with the elements of prvm_edit_private_t
  94                 // e.g. a new struct has to either look like this:
  95                 //      typedef struct server_edict_private_s {
  96                 //              prvm_edict_private_t base;
  97                 //              vec3_t moved_from;
  98                 //      vec3_t moved_fromangles;
  99                 //              ... } server_edict_private_t;
 100                 // or:
 101                 //      typedef struct server_edict_private_s {
 102                 //              qboolean free;
 103                 //              float freetime;
 104                 //              vec3_t moved_from;
 105                 //      vec3_t moved_fromangles;
 106                 //              ... } server_edict_private_t;
 107                 // However, the first one should be preferred.
 108         } priv;
 109         // QuakeC fields (stored in dynamically resized array)
 110         union
 111         {
 112                 prvm_vec_t *fp;
 113                 prvm_int_t *ip;
 114 //              entvars_t               *server;
 115 //              cl_entvars_t    *client;
 116         } fields;
 117 } prvm_edict_t;
 118
 119 extern prvm_eval_t prvm_badvalue;
 120
 121 #define PRVM_alledictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 122 #define PRVM_alledictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 123 #define PRVM_alledictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 124 #define PRVM_alledictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 125 #define PRVM_alledictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 126 #define PRVM_allglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 127 #define PRVM_allglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 128 #define PRVM_allglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 129 #define PRVM_allglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 130 #define PRVM_allglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 131 #define PRVM_allfunction(funcname)           (prog->funcoffsets.funcname)
 132
 133 #define PRVM_drawedictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 134 #define PRVM_drawedictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 135 #define PRVM_drawedictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 136 #define PRVM_drawedictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 137 #define PRVM_drawedictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 138 #define PRVM_drawglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 139 #define PRVM_drawglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 140 #define PRVM_drawglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 141 #define PRVM_drawglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 142 #define PRVM_drawglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 143 #define PRVM_drawfunction(funcname)           (prog->funcoffsets.funcname)
 144
 145 #define PRVM_gameedictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 146 #define PRVM_gameedictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 147 #define PRVM_gameedictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 148 #define PRVM_gameedictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 149 #define PRVM_gameedictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 150 #define PRVM_gameglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 151 #define PRVM_gameglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 152 #define PRVM_gameglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 153 #define PRVM_gameglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 154 #define PRVM_gameglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 155 #define PRVM_gamefunction(funcname)           (prog->funcoffsets.funcname)
 156
 157 #define PRVM_serveredictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 158 #define PRVM_serveredictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 159 #define PRVM_serveredictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 160 #define PRVM_serveredictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 161 #define PRVM_serveredictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 162 #define PRVM_serverglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 163 #define PRVM_serverglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 164 #define PRVM_serverglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 165 #define PRVM_serverglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 166 #define PRVM_serverglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 167 #define PRVM_serverfunction(funcname)           (prog->funcoffsets.funcname)
 168
 169 #define PRVM_clientedictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 170 #define PRVM_clientedictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 171 #define PRVM_clientedictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 172 #define PRVM_clientedictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 173 #define PRVM_clientedictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 174 #define PRVM_clientglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 175 #define PRVM_clientglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 176 #define PRVM_clientglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 177 #define PRVM_clientglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 178 #define PRVM_clientglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 179 #define PRVM_clientfunction(funcname)           (prog->funcoffsets.funcname)
 180
 181 #define PRVM_menuedictfloat(ed, fieldname)    (PRVM_EDICTFIELDFLOAT(ed, prog->fieldoffsets.fieldname))
 182 #define PRVM_menuedictvector(ed, fieldname)   (PRVM_EDICTFIELDVECTOR(ed, prog->fieldoffsets.fieldname))
 183 #define PRVM_menuedictstring(ed, fieldname)   (PRVM_EDICTFIELDSTRING(ed, prog->fieldoffsets.fieldname))
 184 #define PRVM_menuedictedict(ed, fieldname)    (PRVM_EDICTFIELDEDICT(ed, prog->fieldoffsets.fieldname))
 185 #define PRVM_menuedictfunction(ed, fieldname) (PRVM_EDICTFIELDFUNCTION(ed, prog->fieldoffsets.fieldname))
 186 #define PRVM_menuglobalfloat(fieldname)       (PRVM_GLOBALFIELDFLOAT(prog->globaloffsets.fieldname))
 187 #define PRVM_menuglobalvector(fieldname)      (PRVM_GLOBALFIELDVECTOR(prog->globaloffsets.fieldname))
 188 #define PRVM_menuglobalstring(fieldname)      (PRVM_GLOBALFIELDSTRING(prog->globaloffsets.fieldname))
 189 #define PRVM_menuglobaledict(fieldname)       (PRVM_GLOBALFIELDEDICT(prog->globaloffsets.fieldname))
 190 #define PRVM_menuglobalfunction(fieldname)    (PRVM_GLOBALFIELDFUNCTION(prog->globaloffsets.fieldname))
 191 #define PRVM_menufunction(funcname)           (prog->funcoffsets.funcname)
 192
 193 #if 1
 194 #define PRVM_EDICTFIELDVALUE(ed, fieldoffset)    ((fieldoffset) < 0 ? Con_Printf("Invalid fieldoffset at %s:%i\n", __FILE__, __LINE__), &prvm_badvalue : (prvm_eval_t *)((ed)->fields.fp + (fieldoffset)))
 195 #define PRVM_EDICTFIELDFLOAT(ed, fieldoffset)    (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->_float)
 196 #define PRVM_EDICTFIELDVECTOR(ed, fieldoffset)   (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->vector)
 197 #define PRVM_EDICTFIELDSTRING(ed, fieldoffset)   (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->string)
 198 #define PRVM_EDICTFIELDEDICT(ed, fieldoffset)    (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->edict)
 199 #define PRVM_EDICTFIELDFUNCTION(ed, fieldoffset) (PRVM_EDICTFIELDVALUE(ed, fieldoffset)->function)
 200 #define PRVM_GLOBALFIELDVALUE(fieldoffset)       ((fieldoffset) < 0 ? Con_Printf("Invalid fieldoffset at %s:%i\n", __FILE__, __LINE__), &prvm_badvalue : (prvm_eval_t *)(prog->globals.fp + (fieldoffset)))
 201 #define PRVM_GLOBALFIELDFLOAT(fieldoffset)       (PRVM_GLOBALFIELDVALUE(fieldoffset)->_float)
 202 #define PRVM_GLOBALFIELDVECTOR(fieldoffset)      (PRVM_GLOBALFIELDVALUE(fieldoffset)->vector)
 203 #define PRVM_GLOBALFIELDSTRING(fieldoffset)      (PRVM_GLOBALFIELDVALUE(fieldoffset)->string)
 204 #define PRVM_GLOBALFIELDEDICT(fieldoffset)       (PRVM_GLOBALFIELDVALUE(fieldoffset)->edict)
 205 #define PRVM_GLOBALFIELDFUNCTION(fieldoffset)    (PRVM_GLOBALFIELDVALUE(fieldoffset)->function)
 206 #else
 207 #define PRVM_EDICTFIELDVALUE(ed, fieldoffset) ((prvm_eval_t *)(ed->fields.fp + fieldoffset))
 208 #define PRVM_EDICTFIELDFLOAT(ed, fieldoffset) (((prvm_eval_t *)(ed->fields.fp + fieldoffset))->_float)
 209 #define PRVM_EDICTFIELDVECTOR(ed, fieldoffset) (((prvm_eval_t *)(ed->fields.fp + fieldoffset))->vector)
 210 #define PRVM_EDICTFIELDSTRING(ed, fieldoffset) (((prvm_eval_t *)(ed->fields.fp + fieldoffset))->string)
 211 #define PRVM_EDICTFIELDEDICT(ed, fieldoffset) (((prvm_eval_t *)(ed->fields.fp + fieldoffset))->edict)
 212 #define PRVM_EDICTFIELDFUNCTION(ed, fieldoffset) (((prvm_eval_t *)(ed->fields.fp + fieldoffset))->function)
 213 #define PRVM_GLOBALFIELDVALUE(fieldoffset) ((prvm_eval_t *)(prog->globals.fp + fieldoffset))
 214 #define PRVM_GLOBALFIELDFLOAT(fieldoffset) (((prvm_eval_t *)(prog->globals.fp + fieldoffset))->_float)
 215 #define PRVM_GLOBALFIELDVECTOR(fieldoffset) (((prvm_eval_t *)(prog->globals.fp + fieldoffset))->vector)
 216 #define PRVM_GLOBALFIELDSTRING(fieldoffset) (((prvm_eval_t *)(prog->globals.fp + fieldoffset))->string)
 217 #define PRVM_GLOBALFIELDEDICT(fieldoffset) (((prvm_eval_t *)(prog->globals.fp + fieldoffset))->edict)
 218 #define PRVM_GLOBALFIELDFUNCTION(fieldoffset) (((prvm_eval_t *)(prog->globals.fp + fieldoffset))->function)
 219 #endif
 220
 221 //============================================================================
 222 #define PRVM_OP_STATE           1
 223
 224 #ifdef DP_SMALLMEMORY
 225 #define PRVM_MAX_STACK_DEPTH            128
 226 #define PRVM_LOCALSTACK_SIZE            2048
 227
 228 #define PRVM_MAX_OPENFILES 16
 229 #define PRVM_MAX_OPENSEARCHES 8
 230 #else
 231 #define PRVM_MAX_STACK_DEPTH            1024
 232 #define PRVM_LOCALSTACK_SIZE            16384
 233
 234 #define PRVM_MAX_OPENFILES 256
 235 #define PRVM_MAX_OPENSEARCHES 128
 236 #endif
 237
 238 struct prvm_prog_s;
 239 typedef void (*prvm_builtin_t) (struct prvm_prog_s *prog);
 240
 241 // NOTE: field offsets use -1 for NULL
 242 typedef struct prvm_prog_fieldoffsets_s
 243 {
 244 #define PRVM_DECLARE_serverglobalfloat(x)
 245 #define PRVM_DECLARE_serverglobalvector(x)
 246 #define PRVM_DECLARE_serverglobalstring(x)
 247 #define PRVM_DECLARE_serverglobaledict(x)
 248 #define PRVM_DECLARE_serverglobalfunction(x)
 249 #define PRVM_DECLARE_clientglobalfloat(x)
 250 #define PRVM_DECLARE_clientglobalvector(x)
 251 #define PRVM_DECLARE_clientglobalstring(x)
 252 #define PRVM_DECLARE_clientglobaledict(x)
 253 #define PRVM_DECLARE_clientglobalfunction(x)
 254 #define PRVM_DECLARE_menuglobalfloat(x)
 255 #define PRVM_DECLARE_menuglobalvector(x)
 256 #define PRVM_DECLARE_menuglobalstring(x)
 257 #define PRVM_DECLARE_menuglobaledict(x)
 258 #define PRVM_DECLARE_menuglobalfunction(x)
 259 #define PRVM_DECLARE_serverfieldfloat(x)
 260 #define PRVM_DECLARE_serverfieldvector(x)
 261 #define PRVM_DECLARE_serverfieldstring(x)
 262 #define PRVM_DECLARE_serverfieldedict(x)
 263 #define PRVM_DECLARE_serverfieldfunction(x)
 264 #define PRVM_DECLARE_clientfieldfloat(x)
 265 #define PRVM_DECLARE_clientfieldvector(x)
 266 #define PRVM_DECLARE_clientfieldstring(x)
 267 #define PRVM_DECLARE_clientfieldedict(x)
 268 #define PRVM_DECLARE_clientfieldfunction(x)
 269 #define PRVM_DECLARE_menufieldfloat(x)
 270 #define PRVM_DECLARE_menufieldvector(x)
 271 #define PRVM_DECLARE_menufieldstring(x)
 272 #define PRVM_DECLARE_menufieldedict(x)
 273 #define PRVM_DECLARE_menufieldfunction(x)
 274 #define PRVM_DECLARE_serverfunction(x)
 275 #define PRVM_DECLARE_clientfunction(x)
 276 #define PRVM_DECLARE_menufunction(x)
 277 #define PRVM_DECLARE_field(x) int x;
 278 #define PRVM_DECLARE_global(x)
 279 #define PRVM_DECLARE_function(x)
 280 #include "prvm_offsets.h"
 281 #undef PRVM_DECLARE_serverglobalfloat
 282 #undef PRVM_DECLARE_serverglobalvector
 283 #undef PRVM_DECLARE_serverglobalstring
 284 #undef PRVM_DECLARE_serverglobaledict
 285 #undef PRVM_DECLARE_serverglobalfunction
 286 #undef PRVM_DECLARE_clientglobalfloat
 287 #undef PRVM_DECLARE_clientglobalvector
 288 #undef PRVM_DECLARE_clientglobalstring
 289 #undef PRVM_DECLARE_clientglobaledict
 290 #undef PRVM_DECLARE_clientglobalfunction
 291 #undef PRVM_DECLARE_menuglobalfloat
 292 #undef PRVM_DECLARE_menuglobalvector
 293 #undef PRVM_DECLARE_menuglobalstring
 294 #undef PRVM_DECLARE_menuglobaledict
 295 #undef PRVM_DECLARE_menuglobalfunction
 296 #undef PRVM_DECLARE_serverfieldfloat
 297 #undef PRVM_DECLARE_serverfieldvector
 298 #undef PRVM_DECLARE_serverfieldstring
 299 #undef PRVM_DECLARE_serverfieldedict
 300 #undef PRVM_DECLARE_serverfieldfunction
 301 #undef PRVM_DECLARE_clientfieldfloat
 302 #undef PRVM_DECLARE_clientfieldvector
 303 #undef PRVM_DECLARE_clientfieldstring
 304 #undef PRVM_DECLARE_clientfieldedict
 305 #undef PRVM_DECLARE_clientfieldfunction
 306 #undef PRVM_DECLARE_menufieldfloat
 307 #undef PRVM_DECLARE_menufieldvector
 308 #undef PRVM_DECLARE_menufieldstring
 309 #undef PRVM_DECLARE_menufieldedict
 310 #undef PRVM_DECLARE_menufieldfunction
 311 #undef PRVM_DECLARE_serverfunction
 312 #undef PRVM_DECLARE_clientfunction
 313 #undef PRVM_DECLARE_menufunction
 314 #undef PRVM_DECLARE_field
 315 #undef PRVM_DECLARE_global
 316 #undef PRVM_DECLARE_function
 317 }
 318 prvm_prog_fieldoffsets_t;
 319
 320 // NOTE: global offsets use -1 for NULL
 321 typedef struct prvm_prog_globaloffsets_s
 322 {
 323 #define PRVM_DECLARE_serverglobalfloat(x)
 324 #define PRVM_DECLARE_serverglobalvector(x)
 325 #define PRVM_DECLARE_serverglobalstring(x)
 326 #define PRVM_DECLARE_serverglobaledict(x)
 327 #define PRVM_DECLARE_serverglobalfunction(x)
 328 #define PRVM_DECLARE_clientglobalfloat(x)
 329 #define PRVM_DECLARE_clientglobalvector(x)
 330 #define PRVM_DECLARE_clientglobalstring(x)
 331 #define PRVM_DECLARE_clientglobaledict(x)
 332 #define PRVM_DECLARE_clientglobalfunction(x)
 333 #define PRVM_DECLARE_menuglobalfloat(x)
 334 #define PRVM_DECLARE_menuglobalvector(x)
 335 #define PRVM_DECLARE_menuglobalstring(x)
 336 #define PRVM_DECLARE_menuglobaledict(x)
 337 #define PRVM_DECLARE_menuglobalfunction(x)
 338 #define PRVM_DECLARE_serverfieldfloat(x)
 339 #define PRVM_DECLARE_serverfieldvector(x)
 340 #define PRVM_DECLARE_serverfieldstring(x)
 341 #define PRVM_DECLARE_serverfieldedict(x)
 342 #define PRVM_DECLARE_serverfieldfunction(x)
 343 #define PRVM_DECLARE_clientfieldfloat(x)
 344 #define PRVM_DECLARE_clientfieldvector(x)
 345 #define PRVM_DECLARE_clientfieldstring(x)
 346 #define PRVM_DECLARE_clientfieldedict(x)
 347 #define PRVM_DECLARE_clientfieldfunction(x)
 348 #define PRVM_DECLARE_menufieldfloat(x)
 349 #define PRVM_DECLARE_menufieldvector(x)
 350 #define PRVM_DECLARE_menufieldstring(x)
 351 #define PRVM_DECLARE_menufieldedict(x)
 352 #define PRVM_DECLARE_menufieldfunction(x)
 353 #define PRVM_DECLARE_serverfunction(x)
 354 #define PRVM_DECLARE_clientfunction(x)
 355 #define PRVM_DECLARE_menufunction(x)
 356 #define PRVM_DECLARE_field(x)
 357 #define PRVM_DECLARE_global(x) int x;
 358 #define PRVM_DECLARE_function(x)
 359 #include "prvm_offsets.h"
 360 #undef PRVM_DECLARE_serverglobalfloat
 361 #undef PRVM_DECLARE_serverglobalvector
 362 #undef PRVM_DECLARE_serverglobalstring
 363 #undef PRVM_DECLARE_serverglobaledict
 364 #undef PRVM_DECLARE_serverglobalfunction
 365 #undef PRVM_DECLARE_clientglobalfloat
 366 #undef PRVM_DECLARE_clientglobalvector
 367 #undef PRVM_DECLARE_clientglobalstring
 368 #undef PRVM_DECLARE_clientglobaledict
 369 #undef PRVM_DECLARE_clientglobalfunction
 370 #undef PRVM_DECLARE_menuglobalfloat
 371 #undef PRVM_DECLARE_menuglobalvector
 372 #undef PRVM_DECLARE_menuglobalstring
 373 #undef PRVM_DECLARE_menuglobaledict
 374 #undef PRVM_DECLARE_menuglobalfunction
 375 #undef PRVM_DECLARE_serverfieldfloat
 376 #undef PRVM_DECLARE_serverfieldvector
 377 #undef PRVM_DECLARE_serverfieldstring
 378 #undef PRVM_DECLARE_serverfieldedict
 379 #undef PRVM_DECLARE_serverfieldfunction
 380 #undef PRVM_DECLARE_clientfieldfloat
 381 #undef PRVM_DECLARE_clientfieldvector
 382 #undef PRVM_DECLARE_clientfieldstring
 383 #undef PRVM_DECLARE_clientfieldedict
 384 #undef PRVM_DECLARE_clientfieldfunction
 385 #undef PRVM_DECLARE_menufieldfloat
 386 #undef PRVM_DECLARE_menufieldvector
 387 #undef PRVM_DECLARE_menufieldstring
 388 #undef PRVM_DECLARE_menufieldedict
 389 #undef PRVM_DECLARE_menufieldfunction
 390 #undef PRVM_DECLARE_serverfunction
 391 #undef PRVM_DECLARE_clientfunction
 392 #undef PRVM_DECLARE_menufunction
 393 #undef PRVM_DECLARE_field
 394 #undef PRVM_DECLARE_global
 395 #undef PRVM_DECLARE_function
 396 }
 397 prvm_prog_globaloffsets_t;
 398
 399 // NOTE: function offsets use 0 for NULL
 400 typedef struct prvm_prog_funcoffsets_s
 401 {
 402 #define PRVM_DECLARE_serverglobalfloat(x)
 403 #define PRVM_DECLARE_serverglobalvector(x)
 404 #define PRVM_DECLARE_serverglobalstring(x)
 405 #define PRVM_DECLARE_serverglobaledict(x)
 406 #define PRVM_DECLARE_serverglobalfunction(x)
 407 #define PRVM_DECLARE_clientglobalfloat(x)
 408 #define PRVM_DECLARE_clientglobalvector(x)
 409 #define PRVM_DECLARE_clientglobalstring(x)
 410 #define PRVM_DECLARE_clientglobaledict(x)
 411 #define PRVM_DECLARE_clientglobalfunction(x)
 412 #define PRVM_DECLARE_menuglobalfloat(x)
 413 #define PRVM_DECLARE_menuglobalvector(x)
 414 #define PRVM_DECLARE_menuglobalstring(x)
 415 #define PRVM_DECLARE_menuglobaledict(x)
 416 #define PRVM_DECLARE_menuglobalfunction(x)
 417 #define PRVM_DECLARE_serverfieldfloat(x)
 418 #define PRVM_DECLARE_serverfieldvector(x)
 419 #define PRVM_DECLARE_serverfieldstring(x)
 420 #define PRVM_DECLARE_serverfieldedict(x)
 421 #define PRVM_DECLARE_serverfieldfunction(x)
 422 #define PRVM_DECLARE_clientfieldfloat(x)
 423 #define PRVM_DECLARE_clientfieldvector(x)
 424 #define PRVM_DECLARE_clientfieldstring(x)
 425 #define PRVM_DECLARE_clientfieldedict(x)
 426 #define PRVM_DECLARE_clientfieldfunction(x)
 427 #define PRVM_DECLARE_menufieldfloat(x)
 428 #define PRVM_DECLARE_menufieldvector(x)
 429 #define PRVM_DECLARE_menufieldstring(x)
 430 #define PRVM_DECLARE_menufieldedict(x)
 431 #define PRVM_DECLARE_menufieldfunction(x)
 432 #define PRVM_DECLARE_serverfunction(x)
 433 #define PRVM_DECLARE_clientfunction(x)
 434 #define PRVM_DECLARE_menufunction(x)
 435 #define PRVM_DECLARE_field(x)
 436 #define PRVM_DECLARE_global(x)
 437 #define PRVM_DECLARE_function(x) int x;
 438 #include "prvm_offsets.h"
 439 #undef PRVM_DECLARE_serverglobalfloat
 440 #undef PRVM_DECLARE_serverglobalvector
 441 #undef PRVM_DECLARE_serverglobalstring
 442 #undef PRVM_DECLARE_serverglobaledict
 443 #undef PRVM_DECLARE_serverglobalfunction
 444 #undef PRVM_DECLARE_clientglobalfloat
 445 #undef PRVM_DECLARE_clientglobalvector
 446 #undef PRVM_DECLARE_clientglobalstring
 447 #undef PRVM_DECLARE_clientglobaledict
 448 #undef PRVM_DECLARE_clientglobalfunction
 449 #undef PRVM_DECLARE_menuglobalfloat
 450 #undef PRVM_DECLARE_menuglobalvector
 451 #undef PRVM_DECLARE_menuglobalstring
 452 #undef PRVM_DECLARE_menuglobaledict
 453 #undef PRVM_DECLARE_menuglobalfunction
 454 #undef PRVM_DECLARE_serverfieldfloat
 455 #undef PRVM_DECLARE_serverfieldvector
 456 #undef PRVM_DECLARE_serverfieldstring
 457 #undef PRVM_DECLARE_serverfieldedict
 458 #undef PRVM_DECLARE_serverfieldfunction
 459 #undef PRVM_DECLARE_clientfieldfloat
 460 #undef PRVM_DECLARE_clientfieldvector
 461 #undef PRVM_DECLARE_clientfieldstring
 462 #undef PRVM_DECLARE_clientfieldedict
 463 #undef PRVM_DECLARE_clientfieldfunction
 464 #undef PRVM_DECLARE_menufieldfloat
 465 #undef PRVM_DECLARE_menufieldvector
 466 #undef PRVM_DECLARE_menufieldstring
 467 #undef PRVM_DECLARE_menufieldedict
 468 #undef PRVM_DECLARE_menufieldfunction
 469 #undef PRVM_DECLARE_serverfunction
 470 #undef PRVM_DECLARE_clientfunction
 471 #undef PRVM_DECLARE_menufunction
 472 #undef PRVM_DECLARE_field
 473 #undef PRVM_DECLARE_global
 474 #undef PRVM_DECLARE_function
 475 }
 476 prvm_prog_funcoffsets_t;
 477
 478 // stringbuffer flags
 479 #define STRINGBUFFER_SAVED     1   // saved in savegames
 480 #define STRINGBUFFER_QCFLAGS   1   // allowed to be set by QC
 481 #define STRINGBUFFER_TEMP      128 // internal use ONLY
 482 typedef struct prvm_stringbuffer_s
 483 {
 484         int max_strings;
 485         int num_strings;
 486         char **strings;
 487         const char *origin;
 488         unsigned char flags;
 489 }
 490 prvm_stringbuffer_t;
 491
 492 // flags for knownstrings
 493 #define KNOWNSTRINGFLAG_ENGINE 1
 494 #define KNOWNSTRINGFLAG_GCMARK 2
 495 #define KNOWNSTRINGFLAG_GCPRUNE 4 // cleared by GCMARK code, string is freed if prune remains after two sweeps
 496
 497 typedef enum prvm_prog_garbagecollection_state_stage_e
 498 {
 499         PRVM_GC_START = 0,
 500         PRVM_GC_GLOBALS_MARK,
 501         PRVM_GC_FIELDS_MARK,
 502         PRVM_GC_KNOWNSTRINGS_SWEEP,
 503         PRVM_GC_RESET,
 504 }
 505 prvm_prog_garbagecollection_state_stage_t;
 506
 507 typedef struct prvm_prog_garbagecollection_state_s
 508 {
 509         int stage;
 510         int globals_mark_progress;
 511         int fields_mark_progress;
 512         int fields_mark_progress_entity;
 513         int knownstrings_sweep_progress;
 514 }
 515 prvm_prog_garbagecollection_state_t;
 516
 517 // [INIT] variables flagged with this token can be initialized by 'you'
 518 // NOTE: external code has to create and free the mempools but everything else is done by prvm !
 519 typedef struct prvm_prog_s
 520 {
 521         double                          starttime; // system time when PRVM_Prog_Load was called
 522         double                          inittime; // system time when QC initialization code finished (any entity created before is not a leak)
 523         double                          profiletime; // system time when last PRVM_CallProfile was called (or PRVM_Prog_Load initially)
 524         mfunction_t                     *functions;
 525         int                             functions_covered;
 526         char                            *strings;
 527         int                                     stringssize;
 528         mdef_t                          *fielddefs;
 529         mdef_t                          *globaldefs;
 530         mstatement_t            *statements;
 531         int                                     entityfields;                   // number of vec_t fields in progs (some variables are 3)
 532         int                                     entityfieldsarea;               // LadyHavoc: equal to max_edicts * entityfields (for bounds checking)
 533
 534         // loaded values from the disk format
 535         int                                     progs_version;
 536         int                                     progs_crc;
 537         int                                     progs_numstatements;
 538         int                                     progs_numglobaldefs;
 539         int                                     progs_numfielddefs;
 540         int                                     progs_numfunctions;
 541         int                                     progs_numstrings;
 542         int                                     progs_numglobals;
 543         int                                     progs_entityfields;
 544
 545         // real values in memory (some modified by loader)
 546         int                                     numstatements;
 547         int                                     numglobaldefs;
 548         int                                     numfielddefs;
 549         int                                     numfunctions;
 550         int                                     numstrings;
 551         int                                     numglobals;
 552
 553         int                                     *statement_linenums; // NULL if not available
 554         int                                     *statement_columnnums; // NULL if not available
 555
 556         double                          *statement_profile; // only incremented if prvm_statementprofiling is on
 557         int                             statements_covered;
 558         double                          *explicit_profile; // only incremented if prvm_statementprofiling is on
 559         int                             explicit_covered;
 560         int                             numexplicitcoveragestatements;
 561
 562         union {
 563                 prvm_vec_t *fp;
 564                 prvm_int_t *ip;
 565 //              globalvars_t *server;
 566 //              cl_globalvars_t *client;
 567         } globals;
 568
 569         int                                     maxknownstrings;
 570         int                                     numknownstrings;
 571         // this is updated whenever a string is removed or added
 572         // (simple optimization of the free string search)
 573         int                                     firstfreeknownstring;
 574         const char                      **knownstrings;
 575         unsigned char           *knownstrings_flags;
 576         const char          **knownstrings_origin;
 577         const char                      ***stringshash;
 578
 579         memexpandablearray_t    stringbuffersarray;
 580
 581         // garbage collection status
 582         prvm_prog_garbagecollection_state_t gc;
 583
 584         // all memory allocations related to this vm_prog (code, edicts, strings)
 585         mempool_t                       *progs_mempool; // [INIT]
 586
 587         prvm_builtin_t          *builtins; // [INIT]
 588         int                                     numbuiltins; // [INIT]
 589
 590         int                                     argc;
 591
 592         int                                     trace;
 593         int                                     break_statement;
 594         int                                     break_stack_index;
 595         int                                     watch_global;
 596         etype_t                                 watch_global_type;
 597         prvm_eval_t                             watch_global_value;
 598         int                                     watch_edict;
 599         int                                     watch_field;
 600         etype_t                                 watch_field_type;
 601         prvm_eval_t                             watch_edictfield_value;
 602
 603         mfunction_t                     *xfunction;
 604         int                                     xstatement;
 605
 606         // stacktrace writes into stack[MAX_STACK_DEPTH]
 607         // thus increase the array, so depth wont be overwritten
 608         prvm_stack_t            stack[PRVM_MAX_STACK_DEPTH+1];
 609         int                                     depth;
 610
 611         prvm_int_t                      localstack[PRVM_LOCALSTACK_SIZE];
 612         int                                     localstack_used;
 613
 614         unsigned short          filecrc;
 615
 616         //============================================================================
 617         // until this point everything also exists (with the pr_ prefix) in the old vm
 618
 619         qfile_t                         *openfiles[PRVM_MAX_OPENFILES];
 620         const char *         openfiles_origin[PRVM_MAX_OPENFILES];
 621         fssearch_t                      *opensearches[PRVM_MAX_OPENSEARCHES];
 622         const char *         opensearches_origin[PRVM_MAX_OPENSEARCHES];
 623         skeleton_t                      *skeletons[MAX_EDICTS];
 624         cmd_state_t                     *console_cmd; // points to the relevant console command interpreter for this vm (&cmd_client or &cmd_server), also used to access cvars
 625
 626         // buffer for storing all tempstrings created during one invocation of ExecuteProgram
 627         sizebuf_t                       tempstringsbuf;
 628
 629         // polygonbegin, polygonvertex, polygonend state
 630         // the polygon is buffered here until polygonend commits it to the relevant
 631         // CL_Mesh entity, because important decisions depend on the vertex data
 632         // provided (e.g. whether the polygon is transparent), we can't really do much
 633         // with it until we have all of the data...
 634
 635         // this tracks the last polygonbegin's choice of
 636         // CL_Mesh_CSQC or CL_Mesh_UI for this polygon
 637         dp_model_t                      *polygonbegin_model;
 638         // indicates if polygonbegin should be interpreted as 2d
 639         // (clearscene sets this to false, renderscene sets this to true, drawpic
 640         //  also sets this to true)
 641         // note that in FTEQW polygonbegin with 2 args is handled very differently,
 642         // where the behavior is always 3D unless DRAWFLAG_2D is passed, but
 643         // DRAWFLAG_2D conflicts with our DRAWFLAG_SCREEN.
 644         qboolean                        polygonbegin_guess2d;
 645         // the texture name and drawflags provided to polygonbegin
 646         char                            polygonbegin_texname[MAX_QPATH];
 647         int                                     polygonbegin_drawflags;
 648         // the vertex data
 649         int                                     polygonbegin_numvertices;
 650         int                                     polygonbegin_maxvertices;
 651         float                           *polygonbegin_vertexdata;
 652
 653         // copies of some vars that were former read from sv
 654         int                                     num_edicts;
 655         // number of edicts for which space has been (should be) allocated
 656         int                                     max_edicts; // [INIT]
 657         // used instead of the constant MAX_EDICTS
 658         int                                     limit_edicts; // [INIT]
 659
 660         // number of reserved edicts (allocated from 1)
 661         int                                     reserved_edicts; // [INIT]
 662
 663         prvm_edict_t            *edicts;
 664         union
 665         {
 666                 prvm_vec_t *fp;
 667                 prvm_int_t *ip;
 668         } edictsfields;
 669         void                            *edictprivate;
 670
 671         // size of the engine private struct
 672         int                                     edictprivate_size; // [INIT]
 673
 674         prvm_prog_fieldoffsets_t        fieldoffsets;
 675         prvm_prog_globaloffsets_t       globaloffsets;
 676         prvm_prog_funcoffsets_t funcoffsets;
 677
 678         // allow writing to world entity fields, this is set by server init and
 679         // cleared before first server frame
 680         qboolean                        allowworldwrites;
 681
 682         // name of the prog, e.g. "Server", "Client" or "Menu" (used for text output)
 683         const char                      *name; // [INIT]
 684
 685         // flag - used to store general flags like PRVM_GE_SELF, etc.
 686         int                             flag;
 687
 688         const char                      **extensionstring; // [INIT]
 689
 690         qboolean                        loadintoworld; // [INIT]
 691
 692         // used to indicate whether a prog is loaded
 693         qboolean                        loaded;
 694         qboolean                        leaktest_active;
 695
 696         // translation buffer (only needs to be freed on unloading progs, type is private to prvm_edict.c)
 697         void *po;
 698
 699         // printed together with backtraces
 700         const char *statestring;
 701
 702         struct animatemodel_cache *animatemodel_cache;
 703
 704 //      prvm_builtin_mem_t  *mem_list;
 705
 706 // now passed as parameter of PRVM_LoadProgs
 707 //      char                            **required_func;
 708 //      int                                     numrequiredfunc;
 709
 710         //============================================================================
 711
 712         mdef_t                          *self; // if self != 0 then there is a global self
 713
 714         //============================================================================
 715         // function pointers
 716
 717         void                            (*begin_increase_edicts)(struct prvm_prog_s *prog); // [INIT] used by PRVM_MEM_Increase_Edicts
 718         void                            (*end_increase_edicts)(struct prvm_prog_s *prog); // [INIT]
 719
 720         void                            (*init_edict)(struct prvm_prog_s *prog, prvm_edict_t *edict); // [INIT] used by PRVM_ED_ClearEdict
 721         void                            (*free_edict)(struct prvm_prog_s *prog, prvm_edict_t *ed); // [INIT] used by PRVM_ED_Free
 722
 723         void                            (*count_edicts)(struct prvm_prog_s *prog); // [INIT] used by PRVM_ED_Count_f
 724
 725         qboolean                        (*load_edict)(struct prvm_prog_s *prog, prvm_edict_t *ent); // [INIT] used by PRVM_ED_LoadFromFile
 726
 727         void                            (*init_cmd)(struct prvm_prog_s *prog); // [INIT] used by PRVM_InitProg
 728         void                            (*reset_cmd)(struct prvm_prog_s *prog); // [INIT] used by PRVM_ResetProg
 729
 730         void                            (*error_cmd)(const char *format, ...) DP_FUNC_PRINTF(1); // [INIT]
 731
 732         void                            (*ExecuteProgram)(struct prvm_prog_s *prog, func_t fnum, const char *errormessage); // pointer to one of the *VM_ExecuteProgram functions
 733 } prvm_prog_t;
 734
 735 typedef enum prvm_progindex_e
 736 {
 737         PRVM_PROG_SERVER,
 738         PRVM_PROG_CLIENT,
 739         PRVM_PROG_MENU,
 740         PRVM_PROG_MAX
 741 }
 742 prvm_progindex_t;
 743
 744 extern prvm_prog_t prvm_prog_list[PRVM_PROG_MAX];
 745 prvm_prog_t *PRVM_ProgFromString(const char *str);
 746 prvm_prog_t *PRVM_FriendlyProgFromString(const char *str); // for console commands (prints error if name unknown and returns NULL, prints error if prog not loaded and returns NULL)
 747 #define PRVM_GetProg(n) (&prvm_prog_list[(n)])
 748 #define PRVM_ProgLoaded(n) (PRVM_GetProg(n)->loaded)
 749 #define SVVM_prog (&prvm_prog_list[PRVM_PROG_SERVER])
 750 #define CLVM_prog (&prvm_prog_list[PRVM_PROG_CLIENT])
 751 #ifdef CONFIG_MENU
 752 #define MVM_prog (&prvm_prog_list[PRVM_PROG_MENU])
 753 #endif
 754
 755 //============================================================================
 756 // prvm_cmds part
 757
 758 extern prvm_builtin_t vm_sv_builtins[];
 759 extern prvm_builtin_t vm_cl_builtins[];
 760 extern prvm_builtin_t vm_m_builtins[];
 761
 762 extern const int vm_sv_numbuiltins;
 763 extern const int vm_cl_numbuiltins;
 764 extern const int vm_m_numbuiltins;
 765
 766 extern const char *vm_sv_extensions[]; // client also uses this
 767 extern const char *vm_m_extensions[];
 768
 769 void SVVM_init_cmd(prvm_prog_t *prog);
 770 void SVVM_reset_cmd(prvm_prog_t *prog);
 771
 772 void CLVM_init_cmd(prvm_prog_t *prog);
 773 void CLVM_reset_cmd(prvm_prog_t *prog);
 774
 775 #ifdef CONFIG_MENU
 776 void MVM_init_cmd(prvm_prog_t *prog);
 777 void MVM_reset_cmd(prvm_prog_t *prog);
 778 #endif
 779
 780 void VM_Cmd_Init(prvm_prog_t *prog);
 781 void VM_Cmd_Reset(prvm_prog_t *prog);
 782 //============================================================================
 783
 784 void PRVM_Init (void);
 785
 786 #ifdef PROFILING
 787 void SVVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage);
 788 void CLVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage);
 789 #ifdef CONFIG_MENU
 790 void MVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage);
 791 #endif
 792 #else
 793 #define SVVM_ExecuteProgram PRVM_ExecuteProgram
 794 #define CLVM_ExecuteProgram PRVM_ExecuteProgram
 795 #ifdef CONFIG_MENU
 796 #define MVM_ExecuteProgram PRVM_ExecuteProgram
 797 #endif
 798 void PRVM_ExecuteProgram (prvm_prog_t *prog, func_t fnum, const char *errormessage);
 799 #endif
 800
 801 #define PRVM_Alloc(buffersize) Mem_Alloc(prog->progs_mempool, buffersize)
 802 #define PRVM_Free(buffer) Mem_Free(buffer)
 803
 804 void PRVM_Profile (prvm_prog_t *prog, int maxfunctions, double mintime, int sortby);
 805 void PRVM_Profile_f(cmd_state_t *cmd);
 806 void PRVM_ChildProfile_f(cmd_state_t *cmd);
 807 void PRVM_CallProfile_f(cmd_state_t *cmd);
 808 void PRVM_PrintFunction_f(cmd_state_t *cmd);
 809
 810 void PRVM_PrintState(prvm_prog_t *prog, int stack_index);
 811 void PRVM_Crash(prvm_prog_t *prog);
 812 void PRVM_ShortStackTrace(prvm_prog_t *prog, char *buf, size_t bufsize);
 813 const char *PRVM_AllocationOrigin(prvm_prog_t *prog);
 814 void PRVM_GarbageCollection(prvm_prog_t *prog);
 815
 816 mdef_t *PRVM_ED_FindField(prvm_prog_t *prog, const char *name);
 817 mdef_t *PRVM_ED_FindGlobal(prvm_prog_t *prog, const char *name);
 818 prvm_eval_t *PRVM_ED_FindGlobalEval(prvm_prog_t *prog, const char *name);
 819 mfunction_t *PRVM_ED_FindFunction(prvm_prog_t *prog, const char *name);
 820
 821 int PRVM_ED_FindFieldOffset(prvm_prog_t *prog, const char *name);
 822 int PRVM_ED_FindGlobalOffset(prvm_prog_t *prog, const char *name);
 823 func_t PRVM_ED_FindFunctionOffset(prvm_prog_t *prog, const char *name);
 824 #define PRVM_ED_FindFieldOffset_FromStruct(st, field) prog->fieldoffsets . field = ((int *)(&((st *)NULL)-> field ) - ((int *)NULL))
 825 #define PRVM_ED_FindGlobalOffset_FromStruct(st, field) prog->globaloffsets . field = ((int *)(&((st *)NULL)-> field ) - ((int *)NULL))
 826
 827 void PRVM_MEM_IncreaseEdicts(prvm_prog_t *prog);
 828
 829 qboolean PRVM_ED_CanAlloc(prvm_prog_t *prog, prvm_edict_t *e);
 830 prvm_edict_t *PRVM_ED_Alloc(prvm_prog_t *prog);
 831 void PRVM_ED_Free(prvm_prog_t *prog, prvm_edict_t *ed);
 832 void PRVM_ED_ClearEdict(prvm_prog_t *prog, prvm_edict_t *e);
 833
 834 void PRVM_PrintFunctionStatements(prvm_prog_t *prog, const char *name);
 835 void PRVM_ED_Print(prvm_prog_t *prog, prvm_edict_t *ed, const char *wildcard_fieldname);
 836 void PRVM_ED_Write(prvm_prog_t *prog, qfile_t *f, prvm_edict_t *ed);
 837 const char *PRVM_ED_ParseEdict(prvm_prog_t *prog, const char *data, prvm_edict_t *ent);
 838
 839 void PRVM_ED_WriteGlobals(prvm_prog_t *prog, qfile_t *f);
 840 void PRVM_ED_ParseGlobals(prvm_prog_t *prog, const char *data);
 841
 842 void PRVM_ED_CallPrespawnFunction(prvm_prog_t *prog, prvm_edict_t *ent);
 843 qboolean PRVM_ED_CallSpawnFunction(prvm_prog_t *prog, prvm_edict_t *ent, const char *data, const char *start);
 844 void PRVM_ED_CallPostspawnFunction (prvm_prog_t *prog, prvm_edict_t *ent);
 845
 846 void PRVM_ED_LoadFromFile(prvm_prog_t *prog, const char *data);
 847
 848 unsigned int PRVM_EDICT_NUM_ERROR(prvm_prog_t *prog, unsigned int n, const char *filename, int fileline);
 849 #define PRVM_EDICT(n) (((unsigned)(n) < (unsigned int)prog->max_edicts) ? (unsigned int)(n) : PRVM_EDICT_NUM_ERROR(prog, (unsigned int)(n), __FILE__, __LINE__))
 850 #define PRVM_EDICT_NUM(n) (prog->edicts + PRVM_EDICT(n))
 851
 852 //int NUM_FOR_EDICT_ERROR(prvm_edict_t *e);
 853 #define PRVM_NUM_FOR_EDICT(e) ((int)((prvm_edict_t *)(e) - prog->edicts))
 854 //int PRVM_NUM_FOR_EDICT(prvm_edict_t *e);
 855
 856 #define PRVM_NEXT_EDICT(e) ((e) + 1)
 857
 858 #define PRVM_EDICT_TO_PROG(e) (PRVM_NUM_FOR_EDICT(e))
 859 //int PRVM_EDICT_TO_PROG(prvm_edict_t *e);
 860 #define PRVM_PROG_TO_EDICT(n) (PRVM_EDICT_NUM(n))
 861 //prvm_edict_t *PRVM_PROG_TO_EDICT(int n);
 862
 863 //============================================================================
 864
 865 #define PRVM_G_FLOAT(o) (prog->globals.fp[o])
 866 #define PRVM_G_INT(o) (prog->globals.ip[o])
 867 #define PRVM_G_EDICT(o) (PRVM_PROG_TO_EDICT(prog->globals.ip[o]))
 868 #define PRVM_G_EDICTNUM(o) PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(o))
 869 #define PRVM_G_VECTOR(o) (&prog->globals.fp[o])
 870 #define PRVM_G_STRING(o) (PRVM_GetString(prog, prog->globals.ip[o]))
 871 //#define PRVM_G_FUNCTION(prog, o) (prog->globals.ip[o])
 872
 873 // FIXME: make these go away?
 874 #define PRVM_E_FLOAT(e,o) (e->fields.fp[o])
 875 #define PRVM_E_INT(e,o) (e->fields.ip[o])
 876 //#define PRVM_E_VECTOR(e,o) (&(e->fields.fp[o]))
 877 #define PRVM_E_STRING(e,o) (PRVM_GetString(prog, e->fields.ip[o]))
 878
 879 extern int prvm_type_size[8]; // for consistency : I think a goal of this sub-project is to
 880 // make the new vm mostly independent from the old one, thus if it's necessary, I copy everything
 881
 882 void PRVM_Init_Exec(prvm_prog_t *prog);
 883
 884 void PRVM_ED_PrintEdicts_f(cmd_state_t *cmd);
 885 void PRVM_ED_PrintNum (prvm_prog_t *prog, int ent, const char *wildcard_fieldname);
 886
 887 const char *PRVM_GetString(prvm_prog_t *prog, int num);
 888 int PRVM_SetEngineString(prvm_prog_t *prog, const char *s);
 889 const char *PRVM_ChangeEngineString(prvm_prog_t *prog, int i, const char *s);
 890 int PRVM_SetTempString(prvm_prog_t *prog, const char *s);
 891 int PRVM_AllocString(prvm_prog_t *prog, size_t bufferlength, char **pointer);
 892 void PRVM_FreeString(prvm_prog_t *prog, int num);
 893
 894 mdef_t *PRVM_ED_FieldAtOfs(prvm_prog_t *prog, unsigned int ofs);
 895 qboolean PRVM_ED_ParseEpair(prvm_prog_t *prog, prvm_edict_t *ent, mdef_t *key, const char *s, qboolean parsebackslash);
 896 char *PRVM_UglyValueString(prvm_prog_t *prog, etype_t type, prvm_eval_t *val, char *line, size_t linelength);
 897 char *PRVM_GlobalString(prvm_prog_t *prog, int ofs, char *line, size_t linelength);
 898 char *PRVM_GlobalStringNoContents(prvm_prog_t *prog, int ofs, char *line, size_t linelength);
 899
 900 //============================================================================
 901
 902 /*
 903 Initializing a vm:
 904 Call InitProg with the num
 905 Set up the fields marked with [INIT] in the prog struct
 906 Load a program with LoadProgs
 907 */
 908 // Load expects to be called right after Reset
 909 void PRVM_Prog_Init(prvm_prog_t *prog, cmd_state_t *cmd);
 910 void PRVM_Prog_Load(prvm_prog_t *prog, const char *filename, unsigned char *data, fs_offset_t size, int numrequiredfunc, const char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, prvm_required_field_t *required_global);
 911 void PRVM_Prog_Reset(prvm_prog_t *prog);
 912
 913 void PRVM_StackTrace(prvm_prog_t *prog);
 914 void PRVM_Breakpoint(prvm_prog_t *prog, int stack_index, const char *text);
 915 void PRVM_Watchpoint(prvm_prog_t *prog, int stack_index, const char *text, etype_t type, prvm_eval_t *o, prvm_eval_t *n);
 916
 917 void VM_Warning(prvm_prog_t *prog, const char *fmt, ...) DP_FUNC_PRINTF(2);
 918
 919 void VM_GenerateFrameGroupBlend(prvm_prog_t *prog, framegroupblend_t *framegroupblend, const prvm_edict_t *ed);
 920 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model, double curtime);
 921 void VM_UpdateEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend);
 922 void VM_RemoveEdictSkeleton(prvm_prog_t *prog, prvm_edict_t *ed);
 923
 924 void PRVM_ExplicitCoverageEvent(prvm_prog_t *prog, mfunction_t *func, int statement);
 925
 926 #endif