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|
// This code isn't #ifdef/#define protectable, don't try.
while (1)
{
st++;
#if PRVMTRACE
PRVM_PrintStatement(st);
#endif
#if PRVMSTATEMENTPROFILING
prog->statement_profile[st - prog->statements]++;
#endif
switch (st->op)
{
case OP_ADD_F:
OPC->_float = OPA->_float + OPB->_float;
break;
case OP_ADD_V:
OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
break;
case OP_SUB_F:
OPC->_float = OPA->_float - OPB->_float;
break;
case OP_SUB_V:
OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
break;
case OP_MUL_F:
OPC->_float = OPA->_float * OPB->_float;
break;
case OP_MUL_V:
OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
break;
case OP_MUL_FV:
OPC->vector[0] = OPA->_float * OPB->vector[0];
OPC->vector[1] = OPA->_float * OPB->vector[1];
OPC->vector[2] = OPA->_float * OPB->vector[2];
break;
case OP_MUL_VF:
OPC->vector[0] = OPB->_float * OPA->vector[0];
OPC->vector[1] = OPB->_float * OPA->vector[1];
OPC->vector[2] = OPB->_float * OPA->vector[2];
break;
case OP_DIV_F:
if( OPB->_float != 0.0f )
{
OPC->_float = OPA->_float / OPB->_float;
}
else
{
if( developer.integer >= 1 )
{
prog->xfunction->profile += (st - startst);
startst = st;
prog->xstatement = st - prog->statements;
VM_Warning( "Attempted division by zero in %s\n", PRVM_NAME );
}
OPC->_float = 0.0f;
}
break;
case OP_BITAND:
OPC->_float = (int)OPA->_float & (int)OPB->_float;
break;
case OP_BITOR:
OPC->_float = (int)OPA->_float | (int)OPB->_float;
break;
case OP_GE:
OPC->_float = OPA->_float >= OPB->_float;
break;
case OP_LE:
OPC->_float = OPA->_float <= OPB->_float;
break;
case OP_GT:
OPC->_float = OPA->_float > OPB->_float;
break;
case OP_LT:
OPC->_float = OPA->_float < OPB->_float;
break;
case OP_AND:
OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) && FLOAT_IS_TRUE_FOR_INT(OPB->_int); // TODO change this back to float, and add AND_I to be used by fteqcc for anything not a float
break;
case OP_OR:
OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) || FLOAT_IS_TRUE_FOR_INT(OPB->_int); // TODO change this back to float, and add OR_I to be used by fteqcc for anything not a float
break;
case OP_NOT_F:
OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
break;
case OP_NOT_V:
OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
break;
case OP_NOT_S:
OPC->_float = !OPA->string || !*PRVM_GetString(OPA->string);
break;
case OP_NOT_FNC:
OPC->_float = !OPA->function;
break;
case OP_NOT_ENT:
OPC->_float = (OPA->edict == 0);
break;
case OP_EQ_F:
OPC->_float = OPA->_float == OPB->_float;
break;
case OP_EQ_V:
OPC->_float = (OPA->vector[0] == OPB->vector[0]) && (OPA->vector[1] == OPB->vector[1]) && (OPA->vector[2] == OPB->vector[2]);
break;
case OP_EQ_S:
OPC->_float = !strcmp(PRVM_GetString(OPA->string),PRVM_GetString(OPB->string));
break;
case OP_EQ_E:
OPC->_float = OPA->_int == OPB->_int;
break;
case OP_EQ_FNC:
OPC->_float = OPA->function == OPB->function;
break;
case OP_NE_F:
OPC->_float = OPA->_float != OPB->_float;
break;
case OP_NE_V:
OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
break;
case OP_NE_S:
OPC->_float = strcmp(PRVM_GetString(OPA->string),PRVM_GetString(OPB->string));
break;
case OP_NE_E:
OPC->_float = OPA->_int != OPB->_int;
break;
case OP_NE_FNC:
OPC->_float = OPA->function != OPB->function;
break;
//==================
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FNC: // pointers
OPB->_int = OPA->_int;
break;
case OP_STORE_V:
OPB->ivector[0] = OPA->ivector[0];
OPB->ivector[1] = OPA->ivector[1];
OPB->ivector[2] = OPA->ivector[2];
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FNC: // pointers
#if PRVMBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int + 4 > prog->edictareasize)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
#endif
ptr = (prvm_eval_t *)((unsigned char *)prog->edictsfields + OPB->_int);
ptr->_int = OPA->_int;
break;
case OP_STOREP_V:
#if PRVMBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int + 12 > prog->edictareasize)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
#endif
ptr = (prvm_eval_t *)((unsigned char *)prog->edictsfields + OPB->_int);
ptr->ivector[0] = OPA->ivector[0];
ptr->ivector[1] = OPA->ivector[1];
ptr->ivector[2] = OPA->ivector[2];
break;
case OP_ADDRESS:
#if PRVMBOUNDSCHECK
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to address an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->progs->entityfields))
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("%s attempted to address an invalid field (%i) in an edict", PRVM_NAME, OPB->_int);
goto cleanup;
}
#endif
if (OPA->edict == 0 && !prog->allowworldwrites)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("forbidden assignment to null/world entity in %s", PRVM_NAME);
goto cleanup;
}
ed = PRVM_PROG_TO_EDICT(OPA->edict);
OPC->_int = (unsigned char *)((int *)ed->fields.vp + OPB->_int) - (unsigned char *)prog->edictsfields;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
#if PRVMBOUNDSCHECK
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->progs->entityfields))
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
#endif
ed = PRVM_PROG_TO_EDICT(OPA->edict);
OPC->_int = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->_int;
break;
case OP_LOAD_V:
#if PRVMBOUNDSCHECK
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if (OPB->_int < 0 || OPB->_int + 2 >= prog->progs->entityfields)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
goto cleanup;
}
#endif
ed = PRVM_PROG_TO_EDICT(OPA->edict);
OPC->ivector[0] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->ivector[0];
OPC->ivector[1] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->ivector[1];
OPC->ivector[2] = ((prvm_eval_t *)((int *)ed->fields.vp + OPB->_int))->ivector[2];
break;
//==================
case OP_IFNOT:
if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
// TODO add an "int-if", and change this one to OPA->_float
// although mostly unneeded, thanks to the only float being false being 0x0 and 0x80000000 (negative zero)
// and entity, string, field values can never have that value
{
prog->xfunction->profile += (st - startst);
st += st->b - 1; // offset the s++
startst = st;
// no bounds check needed, it is done when loading progs
#if PRVMRUNAWAYCHECK
if (++jumpcount == 10000000)
{
prog->xstatement = st - prog->statements;
PRVM_Profile(1<<30, 1000000, 0);
PRVM_ERROR("%s runaway loop counter hit limit of %d jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
#endif
}
break;
case OP_IF:
if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
// TODO add an "int-if", and change this one, as well as the FLOAT_IS_TRUE_FOR_INT usages, to OPA->_float
// although mostly unneeded, thanks to the only float being false being 0x0 and 0x80000000 (negative zero)
// and entity, string, field values can never have that value
{
prog->xfunction->profile += (st - startst);
st += st->b - 1; // offset the s++
startst = st;
// no bounds check needed, it is done when loading progs
#if PRVMRUNAWAYCHECK
if (++jumpcount == 10000000)
{
prog->xstatement = st - prog->statements;
PRVM_Profile(1<<30, 1000000, 0);
PRVM_ERROR("%s runaway loop counter hit limit of %d jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
#endif
}
break;
case OP_GOTO:
prog->xfunction->profile += (st - startst);
st += st->a - 1; // offset the s++
startst = st;
// no bounds check needed, it is done when loading progs
#if PRVMRUNAWAYCHECK
if (++jumpcount == 10000000)
{
prog->xstatement = st - prog->statements;
PRVM_Profile(1<<30, 1000000, 0);
PRVM_ERROR("%s runaway loop counter hit limit of %d jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
}
#endif
break;
case OP_CALL0:
case OP_CALL1:
case OP_CALL2:
case OP_CALL3:
case OP_CALL4:
case OP_CALL5:
case OP_CALL6:
case OP_CALL7:
case OP_CALL8:
prog->xfunction->profile += (st - startst);
startst = st;
prog->xstatement = st - prog->statements;
prog->argc = st->op - OP_CALL0;
if (!OPA->function)
PRVM_ERROR("NULL function in %s", PRVM_NAME);
#if PRVMBOUNDSCHECK
if(!OPA->function || OPA->function >= (unsigned int)prog->progs->numfunctions)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements; // we better stay on the previously executed statement
PRVM_ERROR("%s CALL outside the program", PRVM_NAME);
goto cleanup;
}
#endif
newf = &prog->functions[OPA->function];
newf->callcount++;
if (newf->first_statement < 0)
{
// negative statements are built in functions
int builtinnumber = -newf->first_statement;
prog->xfunction->builtinsprofile++;
if (builtinnumber < prog->numbuiltins && prog->builtins[builtinnumber])
prog->builtins[builtinnumber]();
else
PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
}
else
st = prog->statements + PRVM_EnterFunction(newf);
startst = st;
break;
case OP_DONE:
case OP_RETURN:
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
prog->globals.generic[OFS_RETURN] = prog->globals.generic[(unsigned short) st->a];
prog->globals.generic[OFS_RETURN+1] = prog->globals.generic[(unsigned short) st->a+1];
prog->globals.generic[OFS_RETURN+2] = prog->globals.generic[(unsigned short) st->a+2];
st = prog->statements + PRVM_LeaveFunction();
startst = st;
if (prog->depth <= exitdepth)
goto cleanup; // all done
if (prog->trace != cachedpr_trace)
goto chooseexecprogram;
break;
case OP_STATE:
if(prog->flag & PRVM_OP_STATE)
{
ed = PRVM_PROG_TO_EDICT(PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict);
PRVM_EDICTFIELDVALUE(ed,prog->fieldoffsets.nextthink)->_float = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.time)->_float + 0.1;
PRVM_EDICTFIELDVALUE(ed,prog->fieldoffsets.frame)->_float = OPA->_float;
PRVM_EDICTFIELDVALUE(ed,prog->fieldoffsets.think)->function = OPB->function;
}
else
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR("OP_STATE not supported by %s", PRVM_NAME);
}
break;
// LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized
/*
case OP_ADD_I:
OPC->_int = OPA->_int + OPB->_int;
break;
case OP_ADD_IF:
OPC->_int = OPA->_int + (int) OPB->_float;
break;
case OP_ADD_FI:
OPC->_float = OPA->_float + (float) OPB->_int;
break;
case OP_SUB_I:
OPC->_int = OPA->_int - OPB->_int;
break;
case OP_SUB_IF:
OPC->_int = OPA->_int - (int) OPB->_float;
break;
case OP_SUB_FI:
OPC->_float = OPA->_float - (float) OPB->_int;
break;
case OP_MUL_I:
OPC->_int = OPA->_int * OPB->_int;
break;
case OP_MUL_IF:
OPC->_int = OPA->_int * (int) OPB->_float;
break;
case OP_MUL_FI:
OPC->_float = OPA->_float * (float) OPB->_int;
break;
case OP_MUL_VI:
OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
break;
case OP_DIV_VF:
{
float temp = 1.0f / OPB->_float;
OPC->vector[0] = temp * OPA->vector[0];
OPC->vector[1] = temp * OPA->vector[1];
OPC->vector[2] = temp * OPA->vector[2];
}
break;
case OP_DIV_I:
OPC->_int = OPA->_int / OPB->_int;
break;
case OP_DIV_IF:
OPC->_int = OPA->_int / (int) OPB->_float;
break;
case OP_DIV_FI:
OPC->_float = OPA->_float / (float) OPB->_int;
break;
case OP_CONV_IF:
OPC->_float = OPA->_int;
break;
case OP_CONV_FI:
OPC->_int = OPA->_float;
break;
case OP_BITAND_I:
OPC->_int = OPA->_int & OPB->_int;
break;
case OP_BITOR_I:
OPC->_int = OPA->_int | OPB->_int;
break;
case OP_BITAND_IF:
OPC->_int = OPA->_int & (int)OPB->_float;
break;
case OP_BITOR_IF:
OPC->_int = OPA->_int | (int)OPB->_float;
break;
case OP_BITAND_FI:
OPC->_float = (int)OPA->_float & OPB->_int;
break;
case OP_BITOR_FI:
OPC->_float = (int)OPA->_float | OPB->_int;
break;
case OP_GE_I:
OPC->_float = OPA->_int >= OPB->_int;
break;
case OP_LE_I:
OPC->_float = OPA->_int <= OPB->_int;
break;
case OP_GT_I:
OPC->_float = OPA->_int > OPB->_int;
break;
case OP_LT_I:
OPC->_float = OPA->_int < OPB->_int;
break;
case OP_AND_I:
OPC->_float = OPA->_int && OPB->_int;
break;
case OP_OR_I:
OPC->_float = OPA->_int || OPB->_int;
break;
case OP_GE_IF:
OPC->_float = (float)OPA->_int >= OPB->_float;
break;
case OP_LE_IF:
OPC->_float = (float)OPA->_int <= OPB->_float;
break;
case OP_GT_IF:
OPC->_float = (float)OPA->_int > OPB->_float;
break;
case OP_LT_IF:
OPC->_float = (float)OPA->_int < OPB->_float;
break;
case OP_AND_IF:
OPC->_float = (float)OPA->_int && OPB->_float;
break;
case OP_OR_IF:
OPC->_float = (float)OPA->_int || OPB->_float;
break;
case OP_GE_FI:
OPC->_float = OPA->_float >= (float)OPB->_int;
break;
case OP_LE_FI:
OPC->_float = OPA->_float <= (float)OPB->_int;
break;
case OP_GT_FI:
OPC->_float = OPA->_float > (float)OPB->_int;
break;
case OP_LT_FI:
OPC->_float = OPA->_float < (float)OPB->_int;
break;
case OP_AND_FI:
OPC->_float = OPA->_float && (float)OPB->_int;
break;
case OP_OR_FI:
OPC->_float = OPA->_float || (float)OPB->_int;
break;
case OP_NOT_I:
OPC->_float = !OPA->_int;
break;
case OP_EQ_I:
OPC->_float = OPA->_int == OPB->_int;
break;
case OP_EQ_IF:
OPC->_float = (float)OPA->_int == OPB->_float;
break;
case OP_EQ_FI:
OPC->_float = OPA->_float == (float)OPB->_int;
break;
case OP_NE_I:
OPC->_float = OPA->_int != OPB->_int;
break;
case OP_NE_IF:
OPC->_float = (float)OPA->_int != OPB->_float;
break;
case OP_NE_FI:
OPC->_float = OPA->_float != (float)OPB->_int;
break;
case OP_STORE_I:
OPB->_int = OPA->_int;
break;
case OP_STOREP_I:
#if PRBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to write to an out of bounds edict", PRVM_NAME);
goto cleanup;
}
#endif
ptr = (prvm_eval_t *)((unsigned char *)prog->edictsfields + OPB->_int);
ptr->_int = OPA->_int;
break;
case OP_LOAD_I:
#if PRBOUNDSCHECK
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
goto cleanup;
}
if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an invalid field in an edict", PRVM_NAME);
goto cleanup;
}
#endif
ed = PRVM_PROG_TO_EDICT(OPA->edict);
OPC->_int = ((prvm_eval_t *)((int *)ed->v + OPB->_int))->_int;
break;
case OP_GSTOREP_I:
case OP_GSTOREP_F:
case OP_GSTOREP_ENT:
case OP_GSTOREP_FLD: // integers
case OP_GSTOREP_S:
case OP_GSTOREP_FNC: // pointers
#if PRBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int >= pr_globaldefs)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to write to an invalid indexed global", PRVM_NAME);
goto cleanup;
}
#endif
pr_iglobals[OPB->_int] = OPA->_int;
break;
case OP_GSTOREP_V:
#if PRBOUNDSCHECK
if (OPB->_int < 0 || OPB->_int + 2 >= pr_globaldefs)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to write to an invalid indexed global", PRVM_NAME);
goto cleanup;
}
#endif
pr_iglobals[OPB->_int ] = OPA->ivector[0];
pr_iglobals[OPB->_int+1] = OPA->ivector[1];
pr_iglobals[OPB->_int+2] = OPA->ivector[2];
break;
case OP_GADDRESS:
i = OPA->_int + (int) OPB->_float;
#if PRBOUNDSCHECK
if (i < 0 || i >= pr_globaldefs)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to address an out of bounds global", PRVM_NAME);
goto cleanup;
}
#endif
OPC->_int = pr_iglobals[i];
break;
case OP_GLOAD_I:
case OP_GLOAD_F:
case OP_GLOAD_FLD:
case OP_GLOAD_ENT:
case OP_GLOAD_S:
case OP_GLOAD_FNC:
#if PRBOUNDSCHECK
if (OPA->_int < 0 || OPA->_int >= pr_globaldefs)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an invalid indexed global", PRVM_NAME);
goto cleanup;
}
#endif
OPC->_int = pr_iglobals[OPA->_int];
break;
case OP_GLOAD_V:
#if PRBOUNDSCHECK
if (OPA->_int < 0 || OPA->_int + 2 >= pr_globaldefs)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs attempted to read an invalid indexed global", PRVM_NAME);
goto cleanup;
}
#endif
OPC->ivector[0] = pr_iglobals[OPA->_int ];
OPC->ivector[1] = pr_iglobals[OPA->_int+1];
OPC->ivector[2] = pr_iglobals[OPA->_int+2];
break;
case OP_BOUNDCHECK:
if (OPA->_int < 0 || OPA->_int >= st->b)
{
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("%s Progs boundcheck failed at line number %d, value is < 0 or >= %d", PRVM_NAME, st->b, st->c);
goto cleanup;
}
break;
*/
default:
prog->xfunction->profile += (st - startst);
prog->xstatement = st - prog->statements;
PRVM_ERROR ("Bad opcode %i in %s", st->op, PRVM_NAME);
goto cleanup;
}
}
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