2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
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.
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.
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
36 #ifndef DP_SMALLMEMORY
40 // forward declaration of clgecko_t
43 typedef struct prvm_stack_s
49 double builtinsprofile_acc;
53 typedef union prvm_eval_s
64 typedef struct prvm_required_field_s
68 } prvm_required_field_t;
71 // AK: I dont call it engine private cause it doesnt really belongs to the engine
72 // it belongs to prvm.
73 typedef struct prvm_edict_private_s
78 const char *allocation_origin;
79 } prvm_edict_private_t;
81 typedef struct prvm_edict_s
83 // engine-private fields (stored in dynamically resized array)
84 //edict_engineprivate_t *e;
87 prvm_edict_private_t *required;
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;
98 // vec3_t moved_fromangles;
99 // ... } server_edict_private_t;
101 // typedef struct server_edict_private_s {
104 // vec3_t moved_from;
105 // vec3_t moved_fromangles;
106 // ... } server_edict_private_t;
107 // However, the first one should be preferred.
109 // QuakeC fields (stored in dynamically resized array)
114 cl_entvars_t *client;
118 #define PRVM_EDICTFIELDVALUE(ed, fieldoffset) (fieldoffset >= 0 ? (prvm_eval_t *)((int *)ed->fields.vp + fieldoffset) : NULL)
119 #define PRVM_GLOBALFIELDVALUE(fieldoffset) (fieldoffset >= 0 ? (prvm_eval_t *)((int *)prog->globals.generic + fieldoffset) : NULL)
121 //============================================================================
122 #define PRVM_OP_STATE 1
124 #ifdef DP_SMALLMEMORY
125 #define PRVM_MAX_STACK_DEPTH 128
126 #define PRVM_LOCALSTACK_SIZE 2048
128 #define PRVM_MAX_OPENFILES 16
129 #define PRVM_MAX_OPENSEARCHES 8
130 #define PRVM_MAX_GECKOINSTANCES 1
132 #define PRVM_MAX_STACK_DEPTH 1024
133 #define PRVM_LOCALSTACK_SIZE 16384
135 #define PRVM_MAX_OPENFILES 256
136 #define PRVM_MAX_OPENSEARCHES 128
137 #define PRVM_MAX_GECKOINSTANCES 32
140 typedef void (*prvm_builtin_t) (void);
142 // NOTE: field offsets use -1 for NULL
143 typedef struct prvm_prog_fieldoffsets_s
145 // server and client use a lot of similar fields, so this is combined
146 int SendEntity; // ssqc
147 int SendFlags; // ssqc
148 int Version; // ssqc (legacy)
149 int alpha; // ssqc / csqc
150 int ammo_cells1; // ssqc - Dissolution of Eternity mission pack
151 int ammo_lava_nails; // ssqc - Dissolution of Eternity mission pack
152 int ammo_multi_rockets; // ssqc - Dissolution of Eternity mission pack
153 int ammo_nails1; // ssqc - Dissolution of Eternity mission pack
154 int ammo_plasma; // ssqc - Dissolution of Eternity mission pack
155 int ammo_rockets1; // ssqc - Dissolution of Eternity mission pack
156 int ammo_shells1; // ssqc - Dissolution of Eternity mission pack
157 int angles; // common - used by changeyaw/changepitch
165 int button10; // ssqc
166 int button11; // ssqc
167 int button12; // ssqc
168 int button13; // ssqc
169 int button14; // ssqc
170 int button15; // ssqc
171 int button16; // ssqc
172 int buttonchat; // ssqc
173 int buttonuse; // ssqc
174 int chain; // common - used by find builtins
175 int classname; // common
176 int clientcamera; // ssqc
177 int clientcolors; // ssqc
178 int clientstatus; // ssqc
180 int colormod; // ssqc / csqc
181 int contentstransition; // ssqc
182 int cursor_active; // ssqc
183 int cursor_screen; // ssqc
184 int cursor_trace_endpos; // ssqc
185 int cursor_trace_ent; // ssqc
186 int cursor_trace_start; // ssqc
187 int customizeentityforclient; // ssqc
188 int dimension_hit; // ssqc / csqc
189 int dimension_solid; // ssqc / csqc
190 int disableclientprediction; // ssqc
191 int discardabledemo; // ssqc
192 int dphitcontentsmask; // ssqc / csqc
193 int drawonlytoclient; // ssqc
194 int effects; // ssqc / csqc
195 int exteriormodeltoclient; // ssqc
196 int fatness; // ssqc / csqc
197 int forceshader; // csqc
198 int frame1time; // csqc
200 int frame2time; // csqc
202 int frame3time; // csqc
204 int frame4time; // csqc
205 int frame; // common - used by OP_STATE
206 int fullbright; // ssqc - Nehahra support
207 int glow_color; // ssqc
208 int glow_size; // ssqc
209 int glow_trail; // ssqc
210 int glowmod; // ssqc / csqc
212 int groundentity; // ssqc / csqc
213 int hull; // ssqc / csqc
214 int ideal_yaw; // ssqc / csqc
215 int idealpitch; // ssqc / csqc
217 int lerpfrac3; // csqc
218 int lerpfrac4; // csqc
219 int lerpfrac; // csqc
220 int light_lev; // ssqc
222 int modelflags; // ssqc
223 int movement; // ssqc
224 int movetypesteplandevent; // ssqc
225 int netaddress; // ssqc
226 int nextthink; // common - used by OP_STATE
227 int nodrawtoclient; // ssqc
230 int packetloss; // ssqc
231 int movementloss; // ssqc
232 int pitch_speed; // ssqc / csqc
233 int playermodel; // ssqc
234 int playerskin; // ssqc
236 int punchvector; // ssqc
237 int renderamt; // ssqc - HalfLife support
238 int renderflags; // csqc
239 int rendermode; // ssqc - HalfLife support
240 int scale; // ssqc / csqc
241 int shadertime; // csqc
242 int skeletonindex; // csqc / ssqc FTE_CSQC_SKELETONOBJECTS / DP_SKELETONOBJECTS
244 int tag_entity; // ssqc / csqc
245 int tag_index; // ssqc / csqc
246 int think; // common - used by OP_STATE
247 int viewmodelforclient; // ssqc
248 int viewzoom; // ssqc
249 int yaw_speed; // ssqc / csqc
250 int bouncefactor; // ssqc
251 int bouncestop; // ssqc
253 int solid; // ssqc / csqc (physics)
254 int movetype; // ssqc / csqc (physics)
255 int modelindex; // ssqc / csqc (physics)
256 int mins; // ssqc / csqc (physics)
257 int maxs; // ssqc / csqc (physics)
258 int mass; // ssqc / csqc (physics)
259 int origin; // ssqc / csqc (physics)
260 int velocity; // ssqc / csqc (physics)
261 //int axis_forward; // ssqc / csqc (physics)
262 //int axis_left; // ssqc / csqc (physics)
263 //int axis_up; // ssqc / csqc (physics)
264 //int spinvelocity; // ssqc / csqc (physics)
265 //int angles; // ssqc / csqc (physics)
266 int avelocity; // ssqc / csqc (physics)
267 int jointtype; // ssqc / csqc (physics)
268 int enemy; // ssqc / csqc (physics)
269 int aiment; // ssqc / csqc (physics)
270 int movedir; // ssqc / csqc (physics)
272 int camera_transform; // csqc (warpzones)
274 int userwavefunc_param0; // csqc (userwavefunc)
275 int userwavefunc_param1; // csqc (userwavefunc)
276 int userwavefunc_param2; // csqc (userwavefunc)
277 int userwavefunc_param3; // csqc (userwavefunc)
279 prvm_prog_fieldoffsets_t;
281 // NOTE: global offsets use -1 for NULL
282 typedef struct prvm_prog_globaloffsets_s
284 // server and client use a lot of similar globals, so this is combined
285 int SV_InitCmd; // ssqc
287 int time; // ssqc / csqc
288 int v_forward; // ssqc / csqc
289 int v_right; // ssqc / csqc
290 int v_up; // ssqc / csqc
291 int view_angles; // csqc
292 int trace_allsolid; // ssqc / csqc
293 int trace_startsolid; // ssqc / csqc
294 int trace_fraction; // ssqc / csqc
295 int trace_inwater; // ssqc / csqc
296 int trace_inopen; // ssqc / csqc
297 int trace_endpos; // ssqc / csqc
298 int trace_plane_normal; // ssqc / csqc
299 int trace_plane_dist; // ssqc / csqc
300 int trace_ent; // ssqc / csqc
301 int trace_networkentity; // csqc
302 int trace_dphitcontents; // ssqc / csqc
303 int trace_dphitq3surfaceflags; // ssqc / csqc
304 int trace_dphittexturename; // ssqc / csqc
305 int trace_dpstartcontents; // ssqc / csqc
306 int intermission; // csqc
308 int deathmatch; // csqc
309 int dmg_take; // csqc
310 int dmg_save; // csqc
311 int dmg_origin; // csqc
312 int sb_showscores; // csqc
313 int drawfont; // csqc / menu
314 int drawfontscale; // csqc / menu
315 int require_spawnfunc_prefix; // ssqc
316 int worldstatus; // ssqc
317 int servertime; // csqc
318 int serverprevtime; // csqc
319 int serverdeltatime; // csqc
320 int gettaginfo_name; // ssqc / csqc
321 int gettaginfo_parent; // ssqc / csqc
322 int gettaginfo_offset; // ssqc / csqc
323 int gettaginfo_forward; // ssqc / csqc
324 int gettaginfo_right; // ssqc / csqc
325 int gettaginfo_up; // ssqc / csqc
326 int transparent_offset; // csqc
328 int particles_alphamin; // csqc
329 int particles_alphamax; // csqc
330 int particles_colormin; // csqc
331 int particles_colormax; // csqc
333 prvm_prog_globaloffsets_t;
335 // these are initialized using PRVM_ED_FindFunction
336 // NOTE: function offsets use 0 for NULL
337 typedef struct prvm_prog_funcoffsets_s
339 func_t CSQC_ConsoleCommand; // csqc
340 func_t CSQC_Ent_Remove; // csqc
341 func_t CSQC_Ent_Spawn; // csqc DP_CSQC_ENT_SPAWN extension (BlackHC - TODO: needs to be added to dpextensions.qc)
342 func_t CSQC_Ent_Update; // csqc
343 func_t CSQC_Event; // csqc [515]: engine call this for its own needs so csqc can do some things according to what engine it's running on. example: to say about edicts increase, whatever...
344 func_t CSQC_Event_Sound; // csqc : called by engine when an incoming sound packet arrives so CSQC can act on it
345 func_t CSQC_Init; // csqc
346 func_t CSQC_InputEvent; // csqc
347 func_t CSQC_Parse_CenterPrint; // csqc
348 func_t CSQC_Parse_Print; // csqc
349 func_t CSQC_Parse_StuffCmd; // csqc
350 func_t CSQC_Parse_TempEntity; // csqc [515]: very helpfull when you want to create your own particles/decals/etc for effects that already exist
351 func_t CSQC_Shutdown; // csqc
352 func_t CSQC_UpdateView; // csqc
353 func_t Gecko_Query; // csqc, mqc
354 func_t EndFrame; // ssqc
355 func_t RestoreGame; // ssqc
356 func_t SV_ChangeTeam; // ssqc
357 func_t SV_ParseClientCommand; // ssqc
358 func_t SV_PlayerPhysics; // ssqc
359 func_t SV_OnEntityPreSpawnFunction; // ssqc
360 func_t SV_OnEntityNoSpawnFunction; // ssqc
361 func_t SV_OnEntityPostSpawnFunction; // ssqc
362 func_t GameCommand; // any
363 func_t SV_Shutdown; // ssqc
364 func_t URI_Get_Callback; // any
365 func_t SV_PausedTic; //ssqc
367 // menu qc only uses some functions, nothing else
368 func_t m_draw; // mqc
369 func_t m_init; // mqc
370 func_t m_keydown; // mqc
371 func_t m_keyup; // mqc
372 func_t m_shutdown; // mqc
373 func_t m_toggle; // mqc
375 prvm_prog_funcoffsets_t;
377 // stringbuffer flags
378 #define STRINGBUFFER_SAVED 1 // saved in savegames
380 typedef struct prvm_stringbuffer_s
390 // [INIT] variables flagged with this token can be initialized by 'you'
391 // NOTE: external code has to create and free the mempools but everything else is done by prvm !
392 typedef struct prvm_prog_s
395 unsigned int id; // increasing unique id of progs instance
397 mfunction_t *functions;
402 dstatement_t *statements;
403 int entityfields; // number of vec_t fields in progs (some variables are 3)
404 int entityfieldsarea; // LordHavoc: equal to max_edicts * entityfields (for bounds checking)
406 int *statement_linenums; // NULL if not available
408 double *statement_profile; // only incremented if prvm_statementprofiling is on
412 globalvars_t *server;
413 cl_globalvars_t *client;
418 // this is updated whenever a string is removed or added
419 // (simple optimization of the free string search)
420 int firstfreeknownstring;
421 const char **knownstrings;
422 unsigned char *knownstrings_freeable;
423 const char **knownstrings_origin;
424 const char ***stringshash;
426 memexpandablearray_t stringbuffersarray;
428 // all memory allocations related to this vm_prog (code, edicts, strings)
429 mempool_t *progs_mempool; // [INIT]
431 prvm_builtin_t *builtins; // [INIT]
432 int numbuiltins; // [INIT]
437 mfunction_t *xfunction;
440 // stacktrace writes into stack[MAX_STACK_DEPTH]
441 // thus increase the array, so depth wont be overwritten
442 prvm_stack_t stack[PRVM_MAX_STACK_DEPTH+1];
445 int localstack[PRVM_LOCALSTACK_SIZE];
448 unsigned short headercrc; // [INIT]
449 unsigned short headercrc2; // [INIT] alternate CRC for tenebrae progs.dat
451 unsigned short filecrc;
453 //============================================================================
454 // until this point everything also exists (with the pr_ prefix) in the old vm
456 qfile_t *openfiles[PRVM_MAX_OPENFILES];
457 const char * openfiles_origin[PRVM_MAX_OPENFILES];
458 fssearch_t *opensearches[PRVM_MAX_OPENSEARCHES];
459 const char * opensearches_origin[PRVM_MAX_OPENSEARCHES];
460 struct clgecko_s *opengeckoinstances[PRVM_MAX_GECKOINSTANCES];
461 skeleton_t *skeletons[MAX_EDICTS];
463 // copies of some vars that were former read from sv
465 // number of edicts for which space has been (should be) allocated
466 int max_edicts; // [INIT]
467 // used instead of the constant MAX_EDICTS
468 int limit_edicts; // [INIT]
470 // number of reserved edicts (allocated from 1)
471 int reserved_edicts; // [INIT]
473 prvm_edict_t *edicts;
477 // size of the engine private struct
478 int edictprivate_size; // [INIT]
480 prvm_prog_fieldoffsets_t fieldoffsets;
481 prvm_prog_globaloffsets_t globaloffsets;
482 prvm_prog_funcoffsets_t funcoffsets;
484 // allow writing to world entity fields, this is set by server init and
485 // cleared before first server frame
486 qboolean allowworldwrites;
488 // name of the prog, e.g. "Server", "Client" or "Menu" (used for text output)
489 const char *name; // [INIT]
491 // flag - used to store general flags like PRVM_GE_SELF, etc.
494 const char *extensionstring; // [INIT]
496 qboolean loadintoworld; // [INIT]
498 // used to indicate whether a prog is loaded
500 qboolean leaktest_active;
502 // translation buffer (only needs to be freed on unloading progs, type is private to prvm_edict.c)
505 // printed together with backtraces
506 const char *statestring;
508 // prvm_builtin_mem_t *mem_list;
510 // now passed as parameter of PRVM_LoadProgs
511 // char **required_func;
512 // int numrequiredfunc;
514 //============================================================================
516 ddef_t *self; // if self != 0 then there is a global self
518 //============================================================================
521 void (*begin_increase_edicts)(void); // [INIT] used by PRVM_MEM_Increase_Edicts
522 void (*end_increase_edicts)(void); // [INIT]
524 void (*init_edict)(prvm_edict_t *edict); // [INIT] used by PRVM_ED_ClearEdict
525 void (*free_edict)(prvm_edict_t *ed); // [INIT] used by PRVM_ED_Free
527 void (*count_edicts)(void); // [INIT] used by PRVM_ED_Count_f
529 qboolean (*load_edict)(prvm_edict_t *ent); // [INIT] used by PRVM_ED_LoadFromFile
531 void (*init_cmd)(void); // [INIT] used by PRVM_InitProg
532 void (*reset_cmd)(void); // [INIT] used by PRVM_ResetProg
534 void (*error_cmd)(const char *format, ...) DP_FUNC_PRINTF(1); // [INIT]
536 void (*ExecuteProgram)(func_t fnum, const char *errormessage); // pointer to one of the *VM_ExecuteProgram functions
539 extern prvm_prog_t * prog;
541 #define PRVM_MAXPROGS 3
542 #define PRVM_SERVERPROG 0 // actually not used at the moment
543 #define PRVM_CLIENTPROG 1
544 #define PRVM_MENUPROG 2
546 extern prvm_prog_t prvm_prog_list[PRVM_MAXPROGS];
548 //============================================================================
551 extern prvm_builtin_t vm_sv_builtins[];
552 extern prvm_builtin_t vm_cl_builtins[];
553 extern prvm_builtin_t vm_m_builtins[];
555 extern const int vm_sv_numbuiltins;
556 extern const int vm_cl_numbuiltins;
557 extern const int vm_m_numbuiltins;
559 extern const char * vm_sv_extensions; // client also uses this
560 extern const char * vm_m_extensions;
562 void VM_SV_Cmd_Init(void);
563 void VM_SV_Cmd_Reset(void);
565 void VM_CL_Cmd_Init(void);
566 void VM_CL_Cmd_Reset(void);
568 void VM_M_Cmd_Init(void);
569 void VM_M_Cmd_Reset(void);
571 void VM_Cmd_Init(void);
572 void VM_Cmd_Reset(void);
573 //============================================================================
575 void PRVM_Init (void);
578 void MVM_ExecuteProgram (func_t fnum, const char *errormessage);
579 void CLVM_ExecuteProgram (func_t fnum, const char *errormessage);
580 void SVVM_ExecuteProgram (func_t fnum, const char *errormessage);
582 #define MVM_ExecuteProgram SVVM_ExecuteProgram
583 #define CLVM_ExecuteProgram SVVM_ExecuteProgram
584 void SVVM_ExecuteProgram (func_t fnum, const char *errormessage);
586 #define PRVM_ExecuteProgram prog->ExecuteProgram
588 #define PRVM_Alloc(buffersize) _PRVM_Alloc(buffersize, __FILE__, __LINE__)
589 #define PRVM_Free(buffer) _PRVM_Free(buffer, __FILE__, __LINE__)
590 #define PRVM_FreeAll() _PRVM_FreeAll(__FILE__, __LINE__)
591 void *_PRVM_Alloc (size_t buffersize, const char *filename, int fileline);
592 void _PRVM_Free (void *buffer, const char *filename, int fileline);
593 void _PRVM_FreeAll (const char *filename, int fileline);
595 void PRVM_Profile (int maxfunctions, double mintime, int sortby);
596 void PRVM_Profile_f (void);
597 void PRVM_ChildProfile_f (void);
598 void PRVM_CallProfile_f (void);
599 void PRVM_PrintFunction_f (void);
601 void PRVM_PrintState(void);
602 void PRVM_CrashAll (void);
603 void PRVM_Crash (void);
604 void PRVM_ShortStackTrace(char *buf, size_t bufsize);
605 const char *PRVM_AllocationOrigin(void);
607 ddef_t *PRVM_ED_FindField(const char *name);
608 ddef_t *PRVM_ED_FindGlobal(const char *name);
609 mfunction_t *PRVM_ED_FindFunction(const char *name);
611 int PRVM_ED_FindFieldOffset(const char *name);
612 int PRVM_ED_FindGlobalOffset(const char *name);
613 func_t PRVM_ED_FindFunctionOffset(const char *name);
614 #define PRVM_ED_FindFieldOffset_FromStruct(st, field) prog->fieldoffsets . field = ((int *)(&((st *)NULL)-> field ) - ((int *)NULL))
615 #define PRVM_ED_FindGlobalOffset_FromStruct(st, field) prog->globaloffsets . field = ((int *)(&((st *)NULL)-> field ) - ((int *)NULL))
617 void PRVM_MEM_IncreaseEdicts(void);
619 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e);
620 prvm_edict_t *PRVM_ED_Alloc (void);
621 void PRVM_ED_Free (prvm_edict_t *ed);
622 void PRVM_ED_ClearEdict (prvm_edict_t *e);
624 void PRVM_PrintFunctionStatements (const char *name);
625 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname);
626 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed);
627 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent);
629 void PRVM_ED_WriteGlobals (qfile_t *f);
630 void PRVM_ED_ParseGlobals (const char *data);
632 void PRVM_ED_LoadFromFile (const char *data);
634 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, const char *filename, int fileline);
635 #define PRVM_EDICT(n) (((unsigned)(n) < (unsigned int)prog->max_edicts) ? (unsigned int)(n) : PRVM_EDICT_NUM_ERROR((unsigned int)(n), __FILE__, __LINE__))
636 #define PRVM_EDICT_NUM(n) (prog->edicts + PRVM_EDICT(n))
638 //int NUM_FOR_EDICT_ERROR(prvm_edict_t *e);
639 #define PRVM_NUM_FOR_EDICT(e) ((int)((prvm_edict_t *)(e) - prog->edicts))
640 //int PRVM_NUM_FOR_EDICT(prvm_edict_t *e);
642 #define PRVM_NEXT_EDICT(e) ((e) + 1)
644 #define PRVM_EDICT_TO_PROG(e) (PRVM_NUM_FOR_EDICT(e))
645 //int PRVM_EDICT_TO_PROG(prvm_edict_t *e);
646 #define PRVM_PROG_TO_EDICT(n) (PRVM_EDICT_NUM(n))
647 //prvm_edict_t *PRVM_PROG_TO_EDICT(int n);
649 //============================================================================
651 #define PRVM_G_FLOAT(o) (prog->globals.generic[o])
652 #define PRVM_G_INT(o) (*(int *)&prog->globals.generic[o])
653 #define PRVM_G_EDICT(o) (PRVM_PROG_TO_EDICT(*(int *)&prog->globals.generic[o]))
654 #define PRVM_G_EDICTNUM(o) PRVM_NUM_FOR_EDICT(PRVM_G_EDICT(o))
655 #define PRVM_G_VECTOR(o) (&prog->globals.generic[o])
656 #define PRVM_G_STRING(o) (PRVM_GetString(*(string_t *)&prog->globals.generic[o]))
657 //#define PRVM_G_FUNCTION(o) (*(func_t *)&prog->globals.generic[o])
659 // FIXME: make these go away?
660 #define PRVM_E_FLOAT(e,o) (((float*)e->fields.vp)[o])
661 #define PRVM_E_INT(e,o) (((int*)e->fields.vp)[o])
662 //#define PRVM_E_VECTOR(e,o) (&((float*)e->fields.vp)[o])
663 #define PRVM_E_STRING(e,o) (PRVM_GetString(*(string_t *)&((float*)e->fields.vp)[o]))
665 extern int prvm_type_size[8]; // for consistency : I think a goal of this sub-project is to
666 // make the new vm mostly independent from the old one, thus if it's necessary, I copy everything
668 void PRVM_Init_Exec(void);
670 void PRVM_ED_PrintEdicts_f (void);
671 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname);
673 const char *PRVM_GetString(int num);
674 int PRVM_SetEngineString(const char *s);
675 const char *PRVM_ChangeEngineString(int i, const char *s);
676 int PRVM_SetTempString(const char *s);
677 int PRVM_AllocString(size_t bufferlength, char **pointer);
678 void PRVM_FreeString(int num);
680 //============================================================================
682 // used as replacement for a prog stack
683 //#define PRVM_DEBUGPRSTACK
685 #ifdef PRVM_DEBUGPRSTACK
686 #define PRVM_Begin if(prog != 0) Con_Printf("prog not 0(prog = %i) in file: %s line: %i!\n", PRVM_GetProgNr(), __FILE__, __LINE__)
687 #define PRVM_End prog = 0
690 #define PRVM_End prog = 0
693 //#define PRVM_SAFENAME
694 #ifndef PRVM_SAFENAME
695 # define PRVM_NAME (prog->name)
697 # define PRVM_NAME (prog->name ? prog->name : "Unknown prog name")
700 // helper macro to make function pointer calls easier
701 #define PRVM_GCALL(func) if(prog->func) prog->func
703 #define PRVM_ERROR prog->error_cmd
705 // other prog handling functions
706 qboolean PRVM_SetProgFromString(const char *str);
707 void PRVM_SetProg(int prognr);
711 Call InitProg with the num
712 Set up the fields marked with [INIT] in the prog struct
713 Load a program with LoadProgs
715 void PRVM_InitProg(int prognr);
716 // LoadProgs expects to be called right after InitProg
717 void PRVM_LoadProgs (const char *filename, int numrequiredfunc, const char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global);
718 void PRVM_ResetProg(void);
720 qboolean PRVM_ProgLoaded(int prognr);
722 int PRVM_GetProgNr(void);
724 void VM_Warning(const char *fmt, ...) DP_FUNC_PRINTF(1);
726 // TODO: fill in the params
727 //void PRVM_Create();
729 void VM_GenerateFrameGroupBlend(framegroupblend_t *framegroupblend, const prvm_edict_t *ed);
730 void VM_FrameBlendFromFrameGroupBlend(frameblend_t *frameblend, const framegroupblend_t *framegroupblend, const dp_model_t *model);
731 void VM_UpdateEdictSkeleton(prvm_edict_t *ed, const dp_model_t *edmodel, const frameblend_t *frameblend);
732 void VM_RemoveEdictSkeleton(prvm_edict_t *ed);