6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 (prog_section_statement, code)
34 (prog_section_def, defs)
35 (prog_section_def, fields)
36 (prog_section_function, functions)
42 (qc_exec_stack, stack)
44 (prog_builtin, builtins)
45 (const char*, function_stack)
48 static void loaderror(const char *fmt, ...)
55 printf(": %s\n", strerror(err));
58 static void qcvmerror(qc_program *prog, const char *fmt, ...)
70 qc_program* prog_load(const char *filename)
76 file = util_fopen(filename, "rb");
80 if (fread(&header, sizeof(header), 1, file) != 1) {
81 loaderror("failed to read header from '%s'", filename);
86 if (header.version != 6) {
87 loaderror("header says this is a version %i progs, we need version 6\n", header.version);
92 prog = (qc_program*)mem_a(sizeof(qc_program));
95 printf("failed to allocate program data\n");
98 memset(prog, 0, sizeof(*prog));
100 prog->entityfields = header.entfield;
101 prog->crc16 = header.crc16;
103 prog->filename = util_strdup(filename);
104 if (!prog->filename) {
105 loaderror("failed to store program name");
109 #define read_data(hdrvar, progvar, reserved) \
110 if (fseek(file, header.hdrvar.offset, SEEK_SET) != 0) { \
111 loaderror("seek failed"); \
114 if (fread(vec_add(prog->progvar, header.hdrvar.length + reserved), \
115 sizeof(*prog->progvar), \
116 header.hdrvar.length, file) \
117 != header.hdrvar.length) \
119 loaderror("read failed"); \
122 #define read_data1(x) read_data(x, x, 0)
123 #define read_data2(x, y) read_data(x, x, y)
125 read_data (statements, code, 0);
128 read_data1(functions);
130 read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */
134 /* profile counters */
135 memset(vec_add(prog->profile, vec_size(prog->code)), 0, sizeof(prog->profile[0]) * vec_size(prog->code));
137 /* Add tempstring area */
138 prog->tempstring_start = vec_size(prog->strings);
139 prog->tempstring_at = vec_size(prog->strings);
140 memset(vec_add(prog->strings, 16*1024), 0, 16*1024);
142 /* spawn the world entity */
143 vec_push(prog->entitypool, true);
144 memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0]));
151 mem_d(prog->filename);
152 vec_free(prog->code);
153 vec_free(prog->defs);
154 vec_free(prog->fields);
155 vec_free(prog->functions);
156 vec_free(prog->strings);
157 vec_free(prog->globals);
158 vec_free(prog->entitydata);
159 vec_free(prog->entitypool);
164 void prog_delete(qc_program *prog)
166 if (prog->filename) mem_d(prog->filename);
167 vec_free(prog->code);
168 vec_free(prog->defs);
169 vec_free(prog->fields);
170 vec_free(prog->functions);
171 vec_free(prog->strings);
172 vec_free(prog->globals);
173 vec_free(prog->entitydata);
174 vec_free(prog->entitypool);
175 vec_free(prog->localstack);
176 vec_free(prog->stack);
177 vec_free(prog->profile);
181 /***********************************************************************
185 char* prog_getstring(qc_program *prog, qcint str)
187 if (str < 0 || str >= vec_size(prog->strings))
188 return "<<<invalid string>>>";
189 return prog->strings + str;
192 prog_section_def* prog_entfield(qc_program *prog, qcint off)
195 for (i = 0; i < vec_size(prog->fields); ++i) {
196 if (prog->fields[i].offset == off)
197 return (prog->fields + i);
202 prog_section_def* prog_getdef(qc_program *prog, qcint off)
205 for (i = 0; i < vec_size(prog->defs); ++i) {
206 if (prog->defs[i].offset == off)
207 return (prog->defs + i);
212 qcany* prog_getedict(qc_program *prog, qcint e)
214 if (e >= vec_size(prog->entitypool)) {
216 printf("Accessing out of bounds edict %i\n", (int)e);
219 return (qcany*)(prog->entitydata + (prog->entityfields * e));
222 qcint prog_spawn_entity(qc_program *prog)
226 for (e = 0; e < (qcint)vec_size(prog->entitypool); ++e) {
227 if (!prog->entitypool[e]) {
228 data = (char*)(prog->entitydata + (prog->entityfields * e));
229 memset(data, 0, prog->entityfields * sizeof(qcint));
233 vec_push(prog->entitypool, true);
235 data = (char*)vec_add(prog->entitydata, prog->entityfields);
236 memset(data, 0, prog->entityfields * sizeof(qcint));
240 void prog_free_entity(qc_program *prog, qcint e)
244 printf("Trying to free world entity\n");
247 if (e >= vec_size(prog->entitypool)) {
249 printf("Trying to free out of bounds entity\n");
252 if (!prog->entitypool[e]) {
254 printf("Double free on entity\n");
257 prog->entitypool[e] = false;
260 qcint prog_tempstring(qc_program *prog, const char *_str)
262 /* we don't access it, but the macro-generated functions don't use
265 char *str = (char*)_str;
267 size_t len = strlen(str);
268 size_t at = prog->tempstring_at;
270 /* when we reach the end we start over */
271 if (at + len >= vec_size(prog->strings))
272 at = prog->tempstring_start;
274 /* when it doesn't fit, reallocate */
275 if (at + len >= vec_size(prog->strings))
277 (void)vec_add(prog->strings, len+1);
278 memcpy(prog->strings + at, str, len+1);
282 /* when it fits, just copy */
283 memcpy(prog->strings + at, str, len+1);
284 prog->tempstring_at += len+1;
288 static int print_escaped_string(const char *str, size_t maxlen)
292 --maxlen; /* because we're lazy and have escape sequences */
302 case '\a': len += 2; putchar('\\'); putchar('a'); break;
303 case '\b': len += 2; putchar('\\'); putchar('b'); break;
304 case '\r': len += 2; putchar('\\'); putchar('r'); break;
305 case '\n': len += 2; putchar('\\'); putchar('n'); break;
306 case '\t': len += 2; putchar('\\'); putchar('t'); break;
307 case '\f': len += 2; putchar('\\'); putchar('f'); break;
308 case '\v': len += 2; putchar('\\'); putchar('v'); break;
309 case '\\': len += 2; putchar('\\'); putchar('\\'); break;
310 case '"': len += 2; putchar('\\'); putchar('"'); break;
322 static void trace_print_global(qc_program *prog, unsigned int glob, int vtype)
324 static char spaces[28+1] = " ";
325 prog_section_def *def;
330 len = printf("<null>,");
334 def = prog_getdef(prog, glob);
335 value = (qcany*)(&prog->globals[glob]);
338 const char *name = prog_getstring(prog, def->name);
342 len = printf("%s ", name);
343 vtype = def->type & DEF_TYPEMASK;
346 len = printf("[@%u] ", glob);
354 len += printf("(%i),", value->_int);
357 len += printf("'%g %g %g',", value->vector[0],
362 len += print_escaped_string(prog_getstring(prog, value->string), sizeof(spaces)-len-5);
364 /* len += printf("\"%s\",", prog_getstring(prog, value->string)); */
368 len += printf("%g,", value->_float);
372 if (len < sizeof(spaces)-1) {
373 spaces[sizeof(spaces)-1-len] = 0;
375 spaces[sizeof(spaces)-1-len] = ' ';
379 static void prog_print_statement(qc_program *prog, prog_section_statement *st)
381 if (st->opcode >= (sizeof(asm_instr)/sizeof(asm_instr[0]))) {
382 printf("<illegal instruction %d>\n", st->opcode);
385 if ((prog->xflags & VMXF_TRACE) && vec_size(prog->function_stack)) {
387 for (i = 0; i < vec_size(prog->function_stack); ++i)
389 printf("%s:", vec_last(prog->function_stack));
391 printf(" <> %-12s", asm_instr[st->opcode].m);
392 if (st->opcode >= INSTR_IF &&
393 st->opcode <= INSTR_IFNOT)
395 trace_print_global(prog, st->o1.u1, TYPE_FLOAT);
396 printf("%d\n", st->o2.s1);
398 else if (st->opcode >= INSTR_CALL0 &&
399 st->opcode <= INSTR_CALL8)
401 trace_print_global(prog, st->o1.u1, TYPE_FUNCTION);
404 else if (st->opcode == INSTR_GOTO)
406 printf("%i\n", st->o1.s1);
410 int t[3] = { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT };
414 t[1] = t[2] = TYPE_VECTOR;
417 t[0] = t[2] = TYPE_VECTOR;
420 t[0] = t[1] = TYPE_VECTOR;
426 t[0] = t[1] = t[2] = TYPE_VECTOR;
430 t[0] = t[1] = TYPE_STRING;
437 t[0] = t[1] = TYPE_VECTOR; t[2] = -1;
440 t[0] = t[1] = TYPE_STRING; t[2] = -1;
442 case INSTR_STORE_ENT:
443 t[0] = t[1] = TYPE_ENTITY; t[2] = -1;
445 case INSTR_STORE_FLD:
446 t[0] = t[1] = TYPE_FIELD; t[2] = -1;
448 case INSTR_STORE_FNC:
449 t[0] = t[1] = TYPE_FUNCTION; t[2] = -1;
452 t[0] = TYPE_VECTOR; t[1] = TYPE_ENTITY; t[2] = -1;
455 t[0] = TYPE_STRING; t[1] = TYPE_ENTITY; t[2] = -1;
457 case INSTR_STOREP_ENT:
458 t[0] = TYPE_ENTITY; t[1] = TYPE_ENTITY; t[2] = -1;
460 case INSTR_STOREP_FLD:
461 t[0] = TYPE_FIELD; t[1] = TYPE_ENTITY; t[2] = -1;
463 case INSTR_STOREP_FNC:
464 t[0] = TYPE_FUNCTION; t[1] = TYPE_ENTITY; t[2] = -1;
467 if (t[0] >= 0) trace_print_global(prog, st->o1.u1, t[0]);
468 else printf("(none), ");
469 if (t[1] >= 0) trace_print_global(prog, st->o2.u1, t[1]);
470 else printf("(none), ");
471 if (t[2] >= 0) trace_print_global(prog, st->o3.u1, t[2]);
472 else printf("(none)");
478 static qcint prog_enterfunction(qc_program *prog, prog_section_function *func)
484 st.localsp = vec_size(prog->localstack);
485 st.stmt = prog->statement;
488 if (prog->xflags & VMXF_TRACE) {
489 vec_push(prog->function_stack, prog_getstring(prog, func->name));
492 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
493 if (vec_size(prog->stack))
495 prog_section_function *cur;
496 cur = prog->stack[vec_size(prog->stack)-1].function;
499 qcint *globals = prog->globals + cur->firstlocal;
500 vec_append(prog->localstack, cur->locals, globals);
505 qcint *globals = prog->globals + func->firstlocal;
506 vec_append(prog->localstack, func->locals, globals);
510 /* copy parameters */
511 parampos = func->firstlocal;
512 for (p = 0; p < func->nargs; ++p)
515 for (s = 0; s < func->argsize[p]; ++s) {
516 prog->globals[parampos] = prog->globals[OFS_PARM0 + 3*p + s];
521 vec_push(prog->stack, st);
526 static qcint prog_leavefunction(qc_program *prog)
528 prog_section_function *prev = NULL;
531 qc_exec_stack st = vec_last(prog->stack);
533 if (prog->xflags & VMXF_TRACE) {
534 if (vec_size(prog->function_stack))
535 vec_pop(prog->function_stack);
538 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
539 if (vec_size(prog->stack) > 1) {
540 prev = prog->stack[vec_size(prog->stack)-2].function;
541 oldsp = prog->stack[vec_size(prog->stack)-2].localsp;
544 prev = prog->stack[vec_size(prog->stack)-1].function;
545 oldsp = prog->stack[vec_size(prog->stack)-1].localsp;
548 qcint *globals = prog->globals + prev->firstlocal;
549 memcpy(globals, prog->localstack + oldsp, prev->locals);
550 /* vec_remove(prog->localstack, oldsp, vec_size(prog->localstack)-oldsp); */
551 vec_shrinkto(prog->localstack, oldsp);
554 vec_pop(prog->stack);
556 return st.stmt - 1; /* offset the ++st */
559 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps)
562 size_t oldxflags = prog->xflags;
563 prog_section_statement *st;
566 prog->xflags = flags;
568 st = prog->code + prog_enterfunction(prog, func);
576 #define QCVM_PROFILE 0
583 #define QCVM_PROFILE 0
590 #define QCVM_PROFILE 1
595 case (VMXF_TRACE|VMXF_PROFILE):
597 #define QCVM_PROFILE 1
605 prog->xflags = oldxflags;
606 vec_free(prog->localstack);
607 vec_free(prog->stack);
613 /***********************************************************************
614 * main for when building the standalone executor
617 #if defined(QCVM_EXECUTOR)
620 const char *type_name[TYPE_COUNT] = {
635 bool opts_debug = false;
636 bool opts_memchk = false;
643 qcvm_parameter *main_params = NULL;
645 #define CheckArgs(num) do { \
646 if (prog->argc != (num)) { \
648 printf("ERROR: invalid number of arguments for %s: %i, expected %i\n", \
649 __FUNCTION__, prog->argc, (num)); \
654 #define GetGlobal(idx) ((qcany*)(prog->globals + (idx)))
655 #define GetArg(num) GetGlobal(OFS_PARM0 + 3*(num))
656 #define Return(any) *(GetGlobal(OFS_RETURN)) = (any)
658 static int qc_print(qc_program *prog)
661 const char *laststr = NULL;
662 for (i = 0; i < prog->argc; ++i) {
663 qcany *str = (qcany*)(prog->globals + OFS_PARM0 + 3*i);
664 printf("%s", (laststr = prog_getstring(prog, str->string)));
666 if (laststr && (prog->xflags & VMXF_TRACE)) {
667 size_t len = strlen(laststr);
668 if (!len || laststr[len-1] != '\n')
674 static int qc_error(qc_program *prog)
676 printf("*** VM raised an error:\n");
682 static int qc_ftos(qc_program *prog)
689 snprintf(buffer, sizeof(buffer), "%g", num->_float);
690 str.string = prog_tempstring(prog, buffer);
695 static int qc_vtos(qc_program *prog)
702 snprintf(buffer, sizeof(buffer), "'%g %g %g'", num->vector[0], num->vector[1], num->vector[2]);
703 str.string = prog_tempstring(prog, buffer);
708 static int qc_etos(qc_program *prog)
715 snprintf(buffer, sizeof(buffer), "%i", num->_int);
716 str.string = prog_tempstring(prog, buffer);
721 static int qc_spawn(qc_program *prog)
725 ent.edict = prog_spawn_entity(prog);
727 return (ent.edict ? 0 : -1);
730 static int qc_kill(qc_program *prog)
735 prog_free_entity(prog, ent->edict);
739 static int qc_vlen(qc_program *prog)
744 len._float = sqrt(vec->vector[0] * vec->vector[0] +
745 vec->vector[1] * vec->vector[1] +
746 vec->vector[2] * vec->vector[2]);
751 static prog_builtin qc_builtins[] = {
762 static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]);
764 static const char *arg0 = NULL;
768 printf("usage: [-debug] %s file\n", arg0);
772 static void prog_main_setparams(qc_program *prog)
777 for (i = 0; i < vec_size(main_params); ++i) {
778 arg = GetGlobal(OFS_PARM0 + 3*i);
782 switch (main_params[i].vtype) {
785 (void)sscanf_s(main_params[i].value, " %f %f %f ",
790 (void)sscanf(main_params[i].value, " %f %f %f ",
797 arg->_float = atof(main_params[i].value);
800 arg->string = prog_tempstring(prog, main_params[i].value);
803 printf("error: unhandled parameter type: %i\n", main_params[i].vtype);
809 void prog_disasm_function(qc_program *prog, size_t id);
810 int main(int argc, char **argv)
815 size_t xflags = VMXF_DEFAULT;
816 bool opts_printfields = false;
817 bool opts_printdefs = false;
818 bool opts_disasm = false;
819 bool opts_info = false;
827 if (!strcmp(argv[1], "-trace")) {
830 xflags |= VMXF_TRACE;
832 else if (!strcmp(argv[1], "-profile")) {
835 xflags |= VMXF_PROFILE;
837 else if (!strcmp(argv[1], "-info")) {
842 else if (!strcmp(argv[1], "-disasm")) {
847 else if (!strcmp(argv[1], "-printdefs")) {
850 opts_printdefs = true;
852 else if (!strcmp(argv[1], "-printfields")) {
855 opts_printfields = true;
857 else if (!strcmp(argv[1], "-vector") ||
858 !strcmp(argv[1], "-string") ||
859 !strcmp(argv[1], "-float") )
862 if (argv[1][1] == 'f')
863 p.vtype = TYPE_FLOAT;
864 else if (argv[1][1] == 's')
865 p.vtype = TYPE_STRING;
866 else if (argv[1][1] == 'v')
867 p.vtype = TYPE_VECTOR;
875 vec_push(main_params, p);
884 prog = prog_load(argv[1]);
886 printf("failed to load program '%s'\n", argv[1]);
890 prog->builtins = qc_builtins;
891 prog->builtins_count = qc_builtins_count;
894 printf("Program's system-checksum = 0x%04x\n", (int)prog->crc16);
895 printf("Entity field space: %i\n", (int)prog->entityfields);
898 for (i = 1; i < vec_size(prog->functions); ++i) {
899 const char *name = prog_getstring(prog, prog->functions[i].name);
900 /* printf("Found function: %s\n", name); */
901 if (!strcmp(name, "main"))
909 for (i = 1; i < vec_size(prog->functions); ++i)
910 prog_disasm_function(prog, i);
913 if (opts_printdefs) {
914 for (i = 0; i < vec_size(prog->defs); ++i) {
915 printf("Global: %8s %-16s at %u\n",
916 type_name[prog->defs[i].type & DEF_TYPEMASK],
917 prog_getstring(prog, prog->defs[i].name),
918 (unsigned int)prog->defs[i].offset);
921 else if (opts_printfields) {
922 for (i = 0; i < vec_size(prog->fields); ++i) {
923 printf("Field: %8s %-16s at %u\n",
924 type_name[prog->fields[i].type],
925 prog_getstring(prog, prog->fields[i].name),
926 (unsigned int)prog->fields[i].offset);
933 prog_main_setparams(prog);
934 prog_exec(prog, &prog->functions[fnmain], xflags, VM_JUMPS_DEFAULT);
937 printf("No main function found\n");
944 void prog_disasm_function(qc_program *prog, size_t id)
946 prog_section_function *fdef = prog->functions + id;
947 prog_section_statement *st;
949 if (fdef->entry < 0) {
950 printf("FUNCTION \"%s\" = builtin #%i\n", prog_getstring(prog, fdef->name), (int)-fdef->entry);
954 printf("FUNCTION \"%s\"\n", prog_getstring(prog, fdef->name));
956 st = prog->code + fdef->entry;
957 while (st->opcode != AINSTR_END) {
958 prog_print_statement(prog, st);
963 #else /* !QCVM_LOOP */
965 * Everything from here on is not including into the compilation of the
966 * executor. This is simply code that is #included via #include __FILE__
967 * see when QCVM_LOOP is defined, the rest of the code above do not get
968 * re-included. So this really just acts like one large macro, but it
969 * sort of isn't, which makes it nicer looking.
972 #define OPA ( (qcany*) (prog->globals + st->o1.u1) )
973 #define OPB ( (qcany*) (prog->globals + st->o2.u1) )
974 #define OPC ( (qcany*) (prog->globals + st->o3.u1) )
976 #define GLOBAL(x) ( (qcany*) (prog->globals + (x)) )
978 /* to be consistent with current darkplaces behaviour */
979 #if !defined(FLOAT_IS_TRUE_FOR_INT)
980 # define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF )
984 prog_section_function *newf;
991 prog->profile[st - prog->code]++;
995 prog_print_statement(prog, st);
1001 qcvmerror(prog, "Illegal instruction in %s\n", prog->filename);
1006 /* TODO: add instruction count to function profile count */
1007 GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0];
1008 GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1];
1009 GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2];
1011 st = prog->code + prog_leavefunction(prog);
1012 if (!vec_size(prog->stack))
1018 OPC->_float = OPA->_float * OPB->_float;
1021 OPC->_float = OPA->vector[0]*OPB->vector[0] +
1022 OPA->vector[1]*OPB->vector[1] +
1023 OPA->vector[2]*OPB->vector[2];
1026 OPC->vector[0] = OPA->_float * OPB->vector[0];
1027 OPC->vector[1] = OPA->_float * OPB->vector[1];
1028 OPC->vector[2] = OPA->_float * OPB->vector[2];
1031 OPC->vector[0] = OPB->_float * OPA->vector[0];
1032 OPC->vector[1] = OPB->_float * OPA->vector[1];
1033 OPC->vector[2] = OPB->_float * OPA->vector[2];
1036 if (OPB->_float != 0.0f)
1037 OPC->_float = OPA->_float / OPB->_float;
1043 OPC->_float = OPA->_float + OPB->_float;
1046 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
1047 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
1048 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
1051 OPC->_float = OPA->_float - OPB->_float;
1054 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
1055 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
1056 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
1060 OPC->_float = (OPA->_float == OPB->_float);
1063 OPC->_float = ((OPA->vector[0] == OPB->vector[0]) &&
1064 (OPA->vector[1] == OPB->vector[1]) &&
1065 (OPA->vector[2] == OPB->vector[2]) );
1068 OPC->_float = !strcmp(prog_getstring(prog, OPA->string),
1069 prog_getstring(prog, OPB->string));
1072 OPC->_float = (OPA->_int == OPB->_int);
1075 OPC->_float = (OPA->function == OPB->function);
1078 OPC->_float = (OPA->_float != OPB->_float);
1081 OPC->_float = ((OPA->vector[0] != OPB->vector[0]) ||
1082 (OPA->vector[1] != OPB->vector[1]) ||
1083 (OPA->vector[2] != OPB->vector[2]) );
1086 OPC->_float = !!strcmp(prog_getstring(prog, OPA->string),
1087 prog_getstring(prog, OPB->string));
1090 OPC->_float = (OPA->_int != OPB->_int);
1093 OPC->_float = (OPA->function != OPB->function);
1097 OPC->_float = (OPA->_float <= OPB->_float);
1100 OPC->_float = (OPA->_float >= OPB->_float);
1103 OPC->_float = (OPA->_float < OPB->_float);
1106 OPC->_float = (OPA->_float > OPB->_float);
1111 case INSTR_LOAD_FLD:
1112 case INSTR_LOAD_ENT:
1113 case INSTR_LOAD_FNC:
1114 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1115 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1118 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields)) {
1119 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1124 ed = prog_getedict(prog, OPA->edict);
1125 OPC->_int = ((qcany*)( ((qcint*)ed) + OPB->_int ))->_int;
1128 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1129 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1132 if (OPB->_int < 0 || OPB->_int + 3 > prog->entityfields)
1134 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1139 ed = prog_getedict(prog, OPA->edict);
1140 OPC->ivector[0] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[0];
1141 OPC->ivector[1] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[1];
1142 OPC->ivector[2] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[2];
1146 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1147 qcvmerror(prog, "prog `%s` attempted to address an out of bounds entity %i", prog->filename, OPA->edict);
1150 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
1152 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1158 ed = prog_getedict(prog, OPA->edict);
1159 OPC->_int = ((qcint*)ed) - prog->entitydata + OPB->_int;
1164 case INSTR_STORE_ENT:
1165 case INSTR_STORE_FLD:
1166 case INSTR_STORE_FNC:
1167 OPB->_int = OPA->_int;
1170 OPB->ivector[0] = OPA->ivector[0];
1171 OPB->ivector[1] = OPA->ivector[1];
1172 OPB->ivector[2] = OPA->ivector[2];
1175 case INSTR_STOREP_F:
1176 case INSTR_STOREP_S:
1177 case INSTR_STOREP_ENT:
1178 case INSTR_STOREP_FLD:
1179 case INSTR_STOREP_FNC:
1180 if (OPB->_int < 0 || OPB->_int >= vec_size(prog->entitydata)) {
1181 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1184 if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
1185 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1187 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1189 ptr = (qcany*)(prog->entitydata + OPB->_int);
1190 ptr->_int = OPA->_int;
1192 case INSTR_STOREP_V:
1193 if (OPB->_int < 0 || OPB->_int + 2 >= vec_size(prog->entitydata)) {
1194 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1197 if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
1198 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1200 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1202 ptr = (qcany*)(prog->entitydata + OPB->_int);
1203 ptr->ivector[0] = OPA->ivector[0];
1204 ptr->ivector[1] = OPA->ivector[1];
1205 ptr->ivector[2] = OPA->ivector[2];
1209 OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
1212 OPC->_float = !OPA->vector[0] &&
1217 OPC->_float = !OPA->string ||
1218 !*prog_getstring(prog, OPA->string);
1221 OPC->_float = (OPA->edict == 0);
1224 OPC->_float = !OPA->function;
1228 /* this is consistent with darkplaces' behaviour */
1229 if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1231 st += st->o2.s1 - 1; /* offset the s++ */
1232 if (++jumpcount >= maxjumps)
1233 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1237 if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1239 st += st->o2.s1 - 1; /* offset the s++ */
1240 if (++jumpcount >= maxjumps)
1241 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1254 prog->argc = st->opcode - INSTR_CALL0;
1256 qcvmerror(prog, "NULL function in `%s`", prog->filename);
1258 if(!OPA->function || OPA->function >= (unsigned int)vec_size(prog->functions))
1260 qcvmerror(prog, "CALL outside the program in `%s`", prog->filename);
1264 newf = &prog->functions[OPA->function];
1267 prog->statement = (st - prog->code) + 1;
1269 if (newf->entry < 0)
1271 /* negative statements are built in functions */
1272 int builtinnumber = -newf->entry;
1273 if (builtinnumber < prog->builtins_count && prog->builtins[builtinnumber])
1274 prog->builtins[builtinnumber](prog);
1276 qcvmerror(prog, "No such builtin #%i in %s! Try updating your gmqcc sources",
1277 builtinnumber, prog->filename);
1280 st = prog->code + prog_enterfunction(prog, newf) - 1; /* offset st++ */
1286 qcvmerror(prog, "`%s` tried to execute a STATE operation", prog->filename);
1290 st += st->o1.s1 - 1; /* offset the s++ */
1291 if (++jumpcount == 10000000)
1292 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1296 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) &&
1297 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1300 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) ||
1301 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1305 OPC->_float = ((int)OPA->_float) & ((int)OPB->_float);
1308 OPC->_float = ((int)OPA->_float) | ((int)OPB->_float);
1315 #endif /* !QCVM_LOOP */