/*
============
PR_RunError
Aborts the currently executing function
============
*/
void PR_RunError (char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
vsnprintf (string, sizeof(string), error, argptr);
va_end (argptr);
sv_error = true;
PR_PrintStatement (pr_statements + pr_xstatement);
PR_StackTrace ();
Con_Printf ("%s\n", string);
pr_depth = 0; // dump the stack so SV_Error can shutdown functions
SV_Error ("Program error");
}
/*
============
PR_RunError
Aborts the currently executing function
============
*/
void PR_RunError (char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
#ifdef _WIN32
_vsnprintf (string, sizeof(string) - 1, error, argptr);
string[sizeof(string) - 1] = '\0';
#else
vsnprintf (string, sizeof(string), error, argptr);
#endif // _WIN32
va_end (argptr);
PR_PrintStatement (pr_statements + pr_xstatement);
PR_StackTrace ();
Com_Printf ("%s\n", string);
pr_depth = 0; // dump the stack so Host_Error can shutdown functions
Host_Error ("Program error");
}
void PrintFunction (char *name)
{
int i;
dstatement_t *ds;
dfunction_t *df;
for (i=0 ; i<numfunctions ; i++)
if (!strcmp (name, strings + functions[i].s_name))
break;
if (i==numfunctions)
Error ("No function names \"%s\"", name);
df = functions + i;
printf ("Statements for %s:\n", name);
ds = statements + df->first_statement;
while (1)
{
PR_PrintStatement (ds);
if (!ds->op)
break;
ds++;
}
}
void PR_ExecuteProgram (func_t fnum) {
eval_t *a, *b, *c;
int s, runaway, i, exitdepth;
dstatement_t *st;
dfunction_t *f, *newf;
edict_t *ed;
eval_t *ptr;
//Tei: enhanced vm
#if 0
//TODO: this able self.think = remove();
// ..test this. If work, enable.
if (fnum<0)
{
//Call a builtin
i = -fnum;
if (i >= pr_numbuiltins)
PR_RunError ("Bad builtin call number '%d'", i);
pr_builtins[i] ();
return;
}
#endif
if (!fnum || fnum >= progs->numfunctions) {
if (pr_global_struct->self)
ED_Print (PROG_TO_EDICT(pr_global_struct->self));
Host_Error ("PR_ExecuteProgram: NULL function");
}
f = &pr_functions[fnum];
runaway = 1000000;//Tei: x10 deeper functions
pr_trace = false;
// make a stack frame
exitdepth = pr_depth;
s = PR_EnterFunction (f);
while (1) {
s++; // next statement
st = &pr_statements[s];
a = (eval_t *) &pr_globals[st->a];
b = (eval_t *) &pr_globals[st->b];
c = (eval_t *) &pr_globals[st->c];
if (--runaway == 0)
PR_RunError ("runaway loop error");
pr_xfunction->profile++;
pr_xstatement = s;
if (pr_trace)
PR_PrintStatement (st);
switch (st->op) {
case OP_ADD_F:
c->_float = a->_float + b->_float;
break;
case OP_ADD_V:
VectorAdd(a->vector, b->vector, c->vector);
break;
case OP_SUB_F:
c->_float = a->_float - b->_float;
break;
case OP_SUB_V:
VectorSubtract(a->vector, b->vector, c->vector);
break;
case OP_MUL_F:
c->_float = a->_float * b->_float;
break;
case OP_MUL_V:
c->_float = a->vector[0] * b->vector[0] + a->vector[1] * b->vector[1] + a->vector[2] * b->vector[2];
break;
case OP_MUL_FV:
VectorScale(b->vector, a->_float, c->vector);
break;
case OP_MUL_VF:
VectorScale(a->vector, b->_float, c->vector);
break;
case OP_DIV_F:
c->_float = a->_float / b->_float;
break;
case OP_BITAND:
c->_float = (int) a->_float & (int) b->_float;
break;
case OP_BITOR:
c->_float = (int) a->_float | (int) b->_float;
break;
case OP_GE:
c->_float = a->_float >= b->_float;
break;
case OP_LE:
c->_float = a->_float <= b->_float;
break;
case OP_GT:
c->_float = a->_float > b->_float;
break;
case OP_LT:
c->_float = a->_float < b->_float;
break;
case OP_AND:
c->_float = a->_float && b->_float;
break;
case OP_OR:
c->_float = a->_float || b->_float;
break;
case OP_NOT_F:
c->_float = !a->_float;
break;
case OP_NOT_V:
c->_float = !a->vector[0] && !a->vector[1] && !a->vector[2];
break;
case OP_NOT_S:
c->_float = !a->string || !*PR_GetString(a->string);
break;
case OP_NOT_FNC:
c->_float = !a->function;
break;
case OP_NOT_ENT:
c->_float = (PROG_TO_EDICT(a->edict) == sv.edicts);
break;
case OP_EQ_F:
c->_float = a->_float == b->_float;
break;
case OP_EQ_V:
c->_float = VectorCompare(a->vector, b->vector);
break;
case OP_EQ_S:
c->_float = !strcmp(PR_GetString(a->string), PR_GetString(b->string));
break;
case OP_EQ_E:
c->_float = a->_int == b->_int;
break;
case OP_EQ_FNC:
c->_float = a->function == b->function;
break;
case OP_NE_F:
c->_float = a->_float != b->_float;
break;
case OP_NE_V:
c->_float = !VectorCompare(a->vector, b->vector);
break;
case OP_NE_S:
c->_float = strcmp(PR_GetString(a->string), PR_GetString(b->string));
break;
case OP_NE_E:
c->_float = a->_int != b->_int;
break;
case OP_NE_FNC:
c->_float = a->function != b->function;
break;
//==================
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FNC: // pointers
b->_int = a->_int;
break;
case OP_STORE_V:
VectorCopy(a->vector, b->vector);
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FNC: // pointers
ptr = (eval_t *) ((byte *) sv.edicts + b->_int);
ptr->_int = a->_int;
break;
case OP_STOREP_V:
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
VectorCopy(a->vector, ptr->vector);
break;
case OP_ADDRESS:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
if (ed == (edict_t *) sv.edicts && sv.state == ss_active)
PR_RunError ("assignment to world entity");
c->_int = (byte *) ((int *) &ed->v + b->_int) - (byte *) sv.edicts;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *) ((int *) &ed->v + b->_int);
c->_int = a->_int;
break;
case OP_LOAD_V:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *) ((int *) &ed->v + b->_int);
VectorCopy(a->vector, c->vector);
break;
//==================
case OP_IFNOT:
if (!a->_int)
s += st->b - 1; // offset the s++
break;
case OP_IF:
if (a->_int)
s += st->b - 1; // offset the s++
break;
case OP_GOTO:
s += st->a - 1; // offset the s++
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:
pr_argc = st->op - OP_CALL0;
if (!a->function)
PR_RunError ("NULL function");
newf = &pr_functions[a->function];
if (newf->first_statement < 0) {
// negative statements are built in functions
i = -newf->first_statement;
if (i < pr_numbuiltins && pr_builtins[i])
pr_builtins[i]();
else
PR_RunError ("No such builtin #%i", i);
break;
}
s = PR_EnterFunction (newf);
break;
case OP_DONE:
case OP_RETURN:
pr_globals[OFS_RETURN] = pr_globals[st->a];
pr_globals[OFS_RETURN + 1] = pr_globals[st->a + 1];
pr_globals[OFS_RETURN + 2] = pr_globals[st->a + 2];
s = PR_LeaveFunction ();
if (pr_depth == exitdepth)
return; // all done
break;
case OP_STATE:
ed = PROG_TO_EDICT(pr_global_struct->self);
ed->v.nextthink = pr_global_struct->time + 0.1;
if (a->_float != ed->v.frame)
ed->v.frame = a->_float;
ed->v.think = b->function;
break;
default:
PR_RunError ("Bad opcode %i", st->op);
}
}
}
/*
====================
PR_ExecuteProgram
====================
*/
void PR_ExecuteProgram (func_t fnum)
{
eval_t *a, *b, *c;
int s;
dstatement_t *st;
dfunction_t *f, *newf;
int runaway;
int i;
edict_t *ed;
int exitdepth;
eval_t *ptr;
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes start
char *funcname;
char *remaphint;
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes end
if (!fnum || fnum >= progs->numfunctions)
{
if (pr_global_struct->self)
ED_Print (PROG_TO_EDICT(pr_global_struct->self));
Host_Error ("PR_ExecuteProgram: NULL function");
}
f = &pr_functions[fnum];
runaway = RUNAWAY; //was 100000;
pr_trace = false;
// make a stack frame
exitdepth = pr_depth;
s = PR_EnterFunction (f);
while (1)
{
s++; // next statement
pr_xstatement = s;
pr_xfunction->profile++;
st = &pr_statements[s];
a = (eval_t *)&pr_globals[st->a];
b = (eval_t *)&pr_globals[st->b];
c = (eval_t *)&pr_globals[st->c];
if (!--runaway)
PR_RunError ("runaway loop error");
if (runaway < RUNAWAY - RUNAWAY_STEP + 1 && runaway % RUNAWAY_STEP == 0)
{
Con_Printf ("PR_ExecuteProgram: runaway loop %d\n", runaway / RUNAWAY_STEP);
SCR_UpdateScreen (); // Force screen update
S_ClearBuffer (); // Avoid looping sounds
}
if (pr_trace)
PR_PrintStatement (st);
switch (st->op)
{
case OP_ADD_F:
c->_float = a->_float + b->_float;
break;
case OP_ADD_V:
c->vector[0] = a->vector[0] + b->vector[0];
c->vector[1] = a->vector[1] + b->vector[1];
c->vector[2] = a->vector[2] + b->vector[2];
break;
case OP_SUB_F:
c->_float = a->_float - b->_float;
break;
case OP_SUB_V:
c->vector[0] = a->vector[0] - b->vector[0];
c->vector[1] = a->vector[1] - b->vector[1];
c->vector[2] = a->vector[2] - b->vector[2];
break;
case OP_MUL_F:
c->_float = a->_float * b->_float;
break;
case OP_MUL_V:
c->_float = a->vector[0]*b->vector[0]
+ a->vector[1]*b->vector[1]
+ a->vector[2]*b->vector[2];
break;
case OP_MUL_FV:
c->vector[0] = a->_float * b->vector[0];
c->vector[1] = a->_float * b->vector[1];
c->vector[2] = a->_float * b->vector[2];
break;
case OP_MUL_VF:
c->vector[0] = b->_float * a->vector[0];
c->vector[1] = b->_float * a->vector[1];
c->vector[2] = b->_float * a->vector[2];
break;
case OP_DIV_F:
c->_float = a->_float / b->_float;
break;
case OP_BITAND:
c->_float = (int)a->_float & (int)b->_float;
break;
case OP_BITOR:
c->_float = (int)a->_float | (int)b->_float;
break;
case OP_GE:
c->_float = a->_float >= b->_float;
break;
case OP_LE:
c->_float = a->_float <= b->_float;
break;
case OP_GT:
c->_float = a->_float > b->_float;
break;
case OP_LT:
c->_float = a->_float < b->_float;
break;
case OP_AND:
c->_float = a->_float && b->_float;
break;
case OP_OR:
c->_float = a->_float || b->_float;
break;
case OP_NOT_F:
c->_float = !a->_float;
break;
case OP_NOT_V:
c->_float = !a->vector[0] && !a->vector[1] && !a->vector[2];
break;
case OP_NOT_S:
c->_float = !a->string || !pr_strings[a->string];
break;
case OP_NOT_FNC:
c->_float = !a->function;
break;
case OP_NOT_ENT:
c->_float = (PROG_TO_EDICT(a->edict) == sv.edicts);
break;
case OP_EQ_F:
c->_float = a->_float == b->_float;
break;
case OP_EQ_V:
c->_float = (a->vector[0] == b->vector[0]) &&
(a->vector[1] == b->vector[1]) &&
(a->vector[2] == b->vector[2]);
break;
case OP_EQ_S:
c->_float = !strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_EQ_E:
c->_float = a->_int == b->_int;
break;
case OP_EQ_FNC:
c->_float = a->function == b->function;
break;
case OP_NE_F:
c->_float = a->_float != b->_float;
break;
case OP_NE_V:
c->_float = (a->vector[0] != b->vector[0]) ||
(a->vector[1] != b->vector[1]) ||
(a->vector[2] != b->vector[2]);
break;
case OP_NE_S:
c->_float = strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_NE_E:
c->_float = a->_int != b->_int;
break;
case OP_NE_FNC:
c->_float = a->function != b->function;
break;
//==================
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FNC: // pointers
b->_int = a->_int;
break;
case OP_STORE_V:
b->vector[0] = a->vector[0];
b->vector[1] = a->vector[1];
b->vector[2] = a->vector[2];
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FNC: // pointers
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->_int = a->_int;
break;
case OP_STOREP_V:
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->vector[0] = a->vector[0];
ptr->vector[1] = a->vector[1];
ptr->vector[2] = a->vector[2];
break;
case OP_ADDRESS:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
if (ed == (edict_t *)sv.edicts && sv.state == ss_active)
PR_RunError ("assignment to world entity");
c->_int = (byte *)((int *)&ed->v + b->_int) - (byte *)sv.edicts;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *)((int *)&ed->v + b->_int);
c->_int = a->_int;
break;
case OP_LOAD_V:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *)((int *)&ed->v + b->_int);
c->vector[0] = a->vector[0];
c->vector[1] = a->vector[1];
c->vector[2] = a->vector[2];
break;
//==================
case OP_IFNOT:
if (!a->_int)
s += st->b - 1; // offset the s++
break;
case OP_IF:
if (a->_int)
s += st->b - 1; // offset the s++
break;
case OP_GOTO:
s += st->a - 1; // offset the s++
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:
pr_argc = st->op - OP_CALL0;
if (!a->function)
PR_RunError ("NULL function");
newf = &pr_functions[a->function];
if (newf->first_statement < 0)
{ // negative statements are built in functions
i = -newf->first_statement;
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes start
if ( (i >= pr_numbuiltins)||(pr_builtins[i] == pr_ebfs_builtins[0].function) )
{
funcname = pr_strings + newf->s_name;
if (pr_builtin_remap.value)
{
remaphint = NULL;
}
else
{
remaphint = "Try \"builtin remapping\" by setting PR_BUILTIN_REMAP to 1\n";
}
PR_RunError ("Bad builtin call number %i for %s\n", i, funcname, remaphint);
}
// 2001-09-14 Enhanced BuiltIn Function System (EBFS) by Maddes end
pr_builtins[i] ();
break;
}
s = PR_EnterFunction (newf);
break;
case OP_DONE:
case OP_RETURN:
pr_globals[OFS_RETURN] = pr_globals[st->a];
pr_globals[OFS_RETURN+1] = pr_globals[st->a+1];
pr_globals[OFS_RETURN+2] = pr_globals[st->a+2];
s = PR_LeaveFunction ();
if (pr_depth == exitdepth)
return; // all done
break;
case OP_STATE:
ed = PROG_TO_EDICT(pr_global_struct->self);
#ifdef FPS_20
ed->v.nextthink = pr_global_struct->time + 0.05;
#else
ed->v.nextthink = pr_global_struct->time + 0.1;
#endif
if (a->_float != ed->v.frame)
{
ed->v.frame = a->_float;
}
ed->v.think = b->function;
break;
default:
PR_RunError ("Bad opcode %i", st->op);
}
}
}
/*
PR_ExecuteProgram
The interpretation main loop
*/
VISIBLE void
PR_ExecuteProgram (progs_t * pr, func_t fnum)
{
int exitdepth, profile, startprofile;
pr_uint_t pointer;
dstatement_t *st;
edict_t *ed;
pr_type_t *ptr;
pr_type_t old_val = {0}, *watch = 0;
// make a stack frame
exitdepth = pr->pr_depth;
startprofile = profile = 0;
Sys_PushSignalHook (signal_hook, pr);
if (!PR_CallFunction (pr, fnum)) {
// called a builtin instead of progs code
Sys_PopSignalHook ();
return;
}
st = pr->pr_statements + pr->pr_xstatement;
if (pr->watch) {
watch = pr->watch;
old_val = *watch;
}
while (1) {
pr_type_t *op_a, *op_b, *op_c;
st++;
++pr->pr_xstatement;
if (pr->pr_xstatement != st - pr->pr_statements)
PR_RunError (pr, "internal error");
if (++profile > 1000000 && !pr->no_exec_limit) {
PR_RunError (pr, "runaway loop error");
}
op_a = pr->pr_globals + st->a;
op_b = pr->pr_globals + st->b;
op_c = pr->pr_globals + st->c;
if (pr->pr_trace)
PR_PrintStatement (pr, st, 1);
switch (st->op) {
case OP_ADD_F:
OPC.float_var = OPA.float_var + OPB.float_var;
break;
case OP_ADD_V:
VectorAdd (OPA.vector_var, OPB.vector_var, OPC.vector_var);
break;
case OP_ADD_Q:
QuatAdd (OPA.quat_var, OPB.quat_var, OPC.quat_var);
break;
case OP_ADD_S:
OPC.string_var = PR_CatStrings (pr,
PR_GetString (pr,
OPA.string_var),
PR_GetString (pr,
OPB.string_var));
break;
case OP_SUB_F:
OPC.float_var = OPA.float_var - OPB.float_var;
break;
case OP_SUB_V:
VectorSubtract (OPA.vector_var, OPB.vector_var, OPC.vector_var);
break;
case OP_SUB_Q:
QuatSubtract (OPA.quat_var, OPB.quat_var, OPC.quat_var);
break;
case OP_MUL_F:
OPC.float_var = OPA.float_var * OPB.float_var;
break;
case OP_MUL_V:
OPC.float_var = DotProduct (OPA.vector_var, OPB.vector_var);
break;
case OP_MUL_FV:
{
// avoid issues with the likes of x = x.x * x;
// makes for faster code, too
float scale = OPA.float_var;
VectorScale (OPB.vector_var, scale, OPC.vector_var);
}
break;
case OP_MUL_VF:
{
// avoid issues with the likes of x = x * x.x;
// makes for faster code, too
float scale = OPB.float_var;
VectorScale (OPA.vector_var, scale, OPC.vector_var);
}
break;
case OP_MUL_Q:
QuatMult (OPA.quat_var, OPB.quat_var, OPC.quat_var);
break;
case OP_MUL_QV:
QuatMultVec (OPA.quat_var, OPB.vector_var, OPC.vector_var);
break;
case OP_MUL_FQ:
{
// avoid issues with the likes of x = x.s * x;
// makes for faster code, too
float scale = OPA.float_var;
QuatScale (OPB.quat_var, scale, OPC.quat_var);
}
break;
case OP_MUL_QF:
{
// avoid issues with the likes of x = x * x.s;
// makes for faster code, too
float scale = OPB.float_var;
QuatScale (OPA.quat_var, scale, OPC.quat_var);
}
break;
case OP_CONJ_Q:
QuatConj (OPA.quat_var, OPC.quat_var);
break;
case OP_DIV_F:
OPC.float_var = OPA.float_var / OPB.float_var;
break;
case OP_BITAND:
OPC.float_var = (int) OPA.float_var & (int) OPB.float_var;
break;
case OP_BITOR:
OPC.float_var = (int) OPA.float_var | (int) OPB.float_var;
break;
case OP_BITXOR_F:
OPC.float_var = (int) OPA.float_var ^ (int) OPB.float_var;
break;
case OP_BITNOT_F:
OPC.float_var = ~ (int) OPA.float_var;
break;
case OP_SHL_F:
OPC.float_var = (int) OPA.float_var << (int) OPB.float_var;
break;
case OP_SHR_F:
OPC.float_var = (int) OPA.float_var >> (int) OPB.float_var;
break;
case OP_SHL_I:
OPC.integer_var = OPA.integer_var << OPB.integer_var;
break;
case OP_SHR_I:
OPC.integer_var = OPA.integer_var >> OPB.integer_var;
break;
case OP_SHR_U:
OPC.uinteger_var = OPA.uinteger_var >> OPB.integer_var;
break;
case OP_GE_F:
OPC.float_var = OPA.float_var >= OPB.float_var;
break;
case OP_LE_F:
OPC.float_var = OPA.float_var <= OPB.float_var;
break;
case OP_GT_F:
OPC.float_var = OPA.float_var > OPB.float_var;
break;
case OP_LT_F:
OPC.float_var = OPA.float_var < OPB.float_var;
break;
case OP_AND: // OPA and OPB have to be float for -0.0
OPC.integer_var = FNZ (OPA) && FNZ (OPB);
break;
case OP_OR: // OPA and OPB have to be float for -0.0
OPC.integer_var = FNZ (OPA) || FNZ (OPB);
break;
case OP_NOT_F:
OPC.integer_var = !FNZ (OPA);
break;
case OP_NOT_V:
OPC.integer_var = VectorIsZero (OPA.vector_var);
break;
case OP_NOT_Q:
OPC.integer_var = QuatIsZero (OPA.quat_var);
break;
case OP_NOT_S:
OPC.integer_var = !OPA.string_var ||
!*PR_GetString (pr, OPA.string_var);
break;
case OP_NOT_FN:
OPC.integer_var = !OPA.func_var;
break;
case OP_NOT_ENT:
OPC.integer_var = !OPA.entity_var;
break;
case OP_EQ_F:
OPC.integer_var = OPA.float_var == OPB.float_var;
break;
case OP_EQ_V:
OPC.integer_var = VectorCompare (OPA.vector_var,
OPB.vector_var);
break;
case OP_EQ_Q:
OPC.integer_var = QuatCompare (OPA.quat_var, OPB.quat_var);
break;
case OP_EQ_E:
OPC.integer_var = OPA.integer_var == OPB.integer_var;
break;
case OP_EQ_FN:
OPC.integer_var = OPA.func_var == OPB.func_var;
break;
case OP_NE_F:
OPC.integer_var = OPA.float_var != OPB.float_var;
break;
case OP_NE_V:
OPC.integer_var = !VectorCompare (OPA.vector_var,
OPB.vector_var);
break;
case OP_NE_Q:
OPC.integer_var = !QuatCompare (OPA.quat_var, OPB.quat_var);
break;
case OP_LE_S:
case OP_GE_S:
case OP_LT_S:
case OP_GT_S:
case OP_NE_S:
case OP_EQ_S:
{
int cmp = strcmp (PR_GetString (pr, OPA.string_var),
PR_GetString (pr, OPB.string_var));
switch (st->op) {
case OP_LE_S: cmp = (cmp <= 0); break;
case OP_GE_S: cmp = (cmp >= 0); break;
case OP_LT_S: cmp = (cmp < 0); break;
case OP_GT_S: cmp = (cmp > 0); break;
case OP_NE_S: break;
case OP_EQ_S: cmp = !cmp; break;
default: break;
}
OPC.integer_var = cmp;
}
break;
case OP_NE_E:
OPC.integer_var = OPA.integer_var != OPB.integer_var;
break;
case OP_NE_FN:
OPC.integer_var = OPA.func_var != OPB.func_var;
break;
// ==================
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FN: // pointers
case OP_STORE_I:
case OP_STORE_P:
OPB.integer_var = OPA.integer_var;
break;
case OP_STORE_V:
VectorCopy (OPA.vector_var, OPB.vector_var);
break;
case OP_STORE_Q:
QuatCopy (OPA.quat_var, OPB.quat_var);
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FN: // pointers
case OP_STOREP_I:
case OP_STOREP_P:
pointer = OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
ptr->integer_var = OPA.integer_var;
break;
case OP_STOREP_V:
pointer = OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_vector);
}
ptr = pr->pr_globals + pointer;
VectorCopy (OPA.vector_var, ptr->vector_var);
break;
case OP_STOREP_Q:
pointer = OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_quat);
}
ptr = pr->pr_globals + pointer;
QuatCopy (OPA.quat_var, ptr->quat_var);
break;
case OP_ADDRESS:
if (pr_boundscheck->int_val) {
if (OPA.entity_var < 0
|| OPA.entity_var >= pr->pr_edictareasize)
PR_RunError (pr, "Progs attempted to address an out "
"of bounds edict");
if (OPA.entity_var == 0 && pr->null_bad)
PR_RunError (pr, "assignment to world entity");
if (OPB.uinteger_var >= pr->progs->entityfields)
PR_RunError (pr, "Progs attempted to address an "
"invalid field in an edict");
}
ed = PROG_TO_EDICT (pr, OPA.entity_var);
OPC.integer_var = &ed->v[OPB.integer_var] - pr->pr_globals;
break;
case OP_ADDRESS_VOID:
case OP_ADDRESS_F:
case OP_ADDRESS_V:
case OP_ADDRESS_Q:
case OP_ADDRESS_S:
case OP_ADDRESS_ENT:
case OP_ADDRESS_FLD:
case OP_ADDRESS_FN:
case OP_ADDRESS_I:
case OP_ADDRESS_P:
OPC.integer_var = st->a;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FN:
case OP_LOAD_I:
case OP_LOAD_P:
if (pr_boundscheck->int_val) {
if (OPA.entity_var < 0
|| OPA.entity_var >= pr->pr_edictareasize)
PR_RunError (pr, "Progs attempted to read an out of "
"bounds edict number");
if (OPB.uinteger_var >= pr->progs->entityfields)
PR_RunError (pr, "Progs attempted to read an invalid "
"field in an edict");
}
ed = PROG_TO_EDICT (pr, OPA.entity_var);
OPC.integer_var = ed->v[OPB.integer_var].integer_var;
break;
case OP_LOAD_V:
if (pr_boundscheck->int_val) {
if (OPA.entity_var < 0
|| OPA.entity_var >= pr->pr_edictareasize)
PR_RunError (pr, "Progs attempted to read an out of "
"bounds edict number");
if (OPB.uinteger_var + 2 >= pr->progs->entityfields)
PR_RunError (pr, "Progs attempted to read an invalid "
"field in an edict");
}
ed = PROG_TO_EDICT (pr, OPA.entity_var);
memcpy (&OPC, &ed->v[OPB.integer_var], 3 * sizeof (OPC));
break;
case OP_LOAD_Q:
if (pr_boundscheck->int_val) {
if (OPA.entity_var < 0
|| OPA.entity_var >= pr->pr_edictareasize)
PR_RunError (pr, "Progs attempted to read an out of "
"bounds edict number");
if (OPB.uinteger_var + 3 >= pr->progs->entityfields)
PR_RunError (pr, "Progs attempted to read an invalid "
"field in an edict");
}
ed = PROG_TO_EDICT (pr, OPA.entity_var);
memcpy (&OPC, &ed->v[OPB.integer_var], 3 * sizeof (OPC));
break;
case OP_LOADB_F:
case OP_LOADB_S:
case OP_LOADB_ENT:
case OP_LOADB_FLD:
case OP_LOADB_FN:
case OP_LOADB_I:
case OP_LOADB_P:
pointer = OPA.integer_var + OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
OPC.integer_var = ptr->integer_var;
break;
case OP_LOADB_V:
pointer = OPA.integer_var + OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_vector);
}
ptr = pr->pr_globals + pointer;
VectorCopy (ptr->vector_var, OPC.vector_var);
break;
case OP_LOADB_Q:
pointer = OPA.integer_var + OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_quat);
}
ptr = pr->pr_globals + pointer;
QuatCopy (ptr->quat_var, OPC.quat_var);
break;
case OP_LOADBI_F:
case OP_LOADBI_S:
case OP_LOADBI_ENT:
case OP_LOADBI_FLD:
case OP_LOADBI_FN:
case OP_LOADBI_I:
case OP_LOADBI_P:
pointer = OPA.integer_var + (short) st->b;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
OPC.integer_var = ptr->integer_var;
break;
case OP_LOADBI_V:
pointer = OPA.integer_var + (short) st->b;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_vector);
}
ptr = pr->pr_globals + pointer;
VectorCopy (ptr->vector_var, OPC.vector_var);
break;
case OP_LOADBI_Q:
pointer = OPA.integer_var + (short) st->b;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_quat);
}
ptr = pr->pr_globals + pointer;
QuatCopy (ptr->quat_var, OPC.quat_var);
break;
case OP_LEA:
pointer = OPA.integer_var + OPB.integer_var;
OPC.integer_var = pointer;
break;
case OP_LEAI:
pointer = OPA.integer_var + (short) st->b;
OPC.integer_var = pointer;
break;
case OP_STOREB_F:
case OP_STOREB_S:
case OP_STOREB_ENT:
case OP_STOREB_FLD:
case OP_STOREB_FN:
case OP_STOREB_I:
case OP_STOREB_P:
pointer = OPB.integer_var + OPC.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
ptr->integer_var = OPA.integer_var;
break;
case OP_STOREB_V:
pointer = OPB.integer_var + OPC.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_vector);
}
ptr = pr->pr_globals + pointer;
VectorCopy (OPA.vector_var, ptr->vector_var);
break;
case OP_STOREB_Q:
pointer = OPB.integer_var + OPC.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_quat);
}
ptr = pr->pr_globals + pointer;
QuatCopy (OPA.quat_var, ptr->quat_var);
break;
case OP_STOREBI_F:
case OP_STOREBI_S:
case OP_STOREBI_ENT:
case OP_STOREBI_FLD:
case OP_STOREBI_FN:
case OP_STOREBI_I:
case OP_STOREBI_P:
pointer = OPB.integer_var + (short) st->c;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
ptr->integer_var = OPA.integer_var;
break;
case OP_STOREBI_V:
pointer = OPB.integer_var + (short) st->c;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_vector);
}
ptr = pr->pr_globals + pointer;
VectorCopy (OPA.vector_var, ptr->vector_var);
break;
case OP_STOREBI_Q:
pointer = OPB.integer_var + (short) st->c;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_quat);
}
ptr = pr->pr_globals + pointer;
QuatCopy (OPA.quat_var, ptr->quat_var);
break;
// ==================
case OP_IFNOT:
if (!OPA.integer_var) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_IF:
if (OPA.integer_var) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_IFBE:
if (OPA.integer_var <= 0) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_IFB:
if (OPA.integer_var < 0) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_IFAE:
if (OPA.integer_var >= 0) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_IFA:
if (OPA.integer_var > 0) {
pr->pr_xstatement += (short)st->b - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
}
break;
case OP_GOTO:
pr->pr_xstatement += (short)st->a - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
break;
case OP_JUMP:
if (pr_boundscheck->int_val
&& (OPA.uinteger_var >= pr->progs->numstatements)) {
PR_RunError (pr, "Invalid jump destination");
}
pr->pr_xstatement = OPA.uinteger_var - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
break;
case OP_JUMPB:
pointer = st->a + OPB.integer_var;
if (pr_boundscheck->int_val) {
PR_BoundsCheck (pr, pointer, ev_integer);
}
ptr = pr->pr_globals + pointer;
pointer = ptr->integer_var;
if (pr_boundscheck->int_val
&& (pointer >= pr->progs->numstatements)) {
PR_RunError (pr, "Invalid jump destination");
}
pr->pr_xstatement = pointer - 1; // offset the st++
st = pr->pr_statements + pr->pr_xstatement;
break;
case OP_RCALL2:
case OP_RCALL3:
case OP_RCALL4:
case OP_RCALL5:
case OP_RCALL6:
case OP_RCALL7:
case OP_RCALL8:
pr->pr_params[1] = &OPC;
goto op_rcall;
case OP_RCALL1:
pr->pr_params[1] = pr->pr_real_params[1];
op_rcall:
pr->pr_params[0] = &OPB;
pr->pr_argc = st->op - OP_RCALL1 + 1;
goto op_call;
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:
PR_RESET_PARAMS (pr);
pr->pr_argc = st->op - OP_CALL0;
op_call:
pr->pr_xfunction->profile += profile - startprofile;
startprofile = profile;
PR_CallFunction (pr, OPA.func_var);
st = pr->pr_statements + pr->pr_xstatement;
break;
case OP_DONE:
case OP_RETURN:
if (!st->a)
memset (&R_INT (pr), 0,
pr->pr_param_size * sizeof (OPA));
else if (&R_INT (pr) != &OPA.integer_var)
memcpy (&R_INT (pr), &OPA,
pr->pr_param_size * sizeof (OPA));
// fallthrough
case OP_RETURN_V:
pr->pr_xfunction->profile += profile - startprofile;
startprofile = profile;
PR_LeaveFunction (pr);
st = pr->pr_statements + pr->pr_xstatement;
if (pr->pr_depth == exitdepth) {
if (pr->pr_trace && pr->pr_depth <= pr->pr_trace_depth)
pr->pr_trace = false;
Sys_PopSignalHook ();
return; // all done
}
break;
case OP_STATE:
ed = PROG_TO_EDICT (pr, *pr->globals.self);
ed->v[pr->fields.nextthink].float_var = *pr->globals.time +
0.1;
ed->v[pr->fields.frame].float_var = OPA.float_var;
ed->v[pr->fields.think].func_var = OPB.func_var;
break;
case OP_STATE_F:
ed = PROG_TO_EDICT (pr, *pr->globals.self);
ed->v[pr->fields.nextthink].float_var = *pr->globals.time +
OPC.float_var;
ed->v[pr->fields.frame].float_var = OPA.float_var;
ed->v[pr->fields.think].func_var = OPB.func_var;
break;
case OP_ADD_I:
OPC.integer_var = OPA.integer_var + OPB.integer_var;
break;
case OP_SUB_I:
OPC.integer_var = OPA.integer_var - OPB.integer_var;
break;
case OP_MUL_I:
OPC.integer_var = OPA.integer_var * OPB.integer_var;
break;
/*
case OP_DIV_VF:
{
float temp = 1.0f / OPB.float_var;
VectorScale (OPA.vector_var, temp, OPC.vector_var);
}
break;
*/
case OP_DIV_I:
OPC.integer_var = OPA.integer_var / OPB.integer_var;
break;
case OP_MOD_I:
OPC.integer_var = OPA.integer_var % OPB.integer_var;
break;
case OP_MOD_F:
OPC.float_var = (int) OPA.float_var % (int) OPB.float_var;
break;
case OP_CONV_IF:
OPC.float_var = OPA.integer_var;
break;
case OP_CONV_FI:
OPC.integer_var = OPA.float_var;
break;
case OP_BITAND_I:
OPC.integer_var = OPA.integer_var & OPB.integer_var;
break;
case OP_BITOR_I:
OPC.integer_var = OPA.integer_var | OPB.integer_var;
break;
case OP_BITXOR_I:
OPC.integer_var = OPA.integer_var ^ OPB.integer_var;
break;
case OP_BITNOT_I:
OPC.integer_var = ~OPA.integer_var;
break;
case OP_GE_I:
case OP_GE_P:
OPC.integer_var = OPA.integer_var >= OPB.integer_var;
break;
case OP_GE_U:
OPC.integer_var = OPA.uinteger_var >= OPB.uinteger_var;
break;
case OP_LE_I:
case OP_LE_P:
OPC.integer_var = OPA.integer_var <= OPB.integer_var;
break;
case OP_LE_U:
OPC.integer_var = OPA.uinteger_var <= OPB.uinteger_var;
break;
case OP_GT_I:
case OP_GT_P:
OPC.integer_var = OPA.integer_var > OPB.integer_var;
break;
case OP_GT_U:
OPC.integer_var = OPA.uinteger_var > OPB.uinteger_var;
break;
case OP_LT_I:
case OP_LT_P:
OPC.integer_var = OPA.integer_var < OPB.integer_var;
break;
case OP_LT_U:
OPC.integer_var = OPA.uinteger_var < OPB.uinteger_var;
break;
case OP_AND_I:
OPC.integer_var = OPA.integer_var && OPB.integer_var;
break;
case OP_OR_I:
OPC.integer_var = OPA.integer_var || OPB.integer_var;
break;
case OP_NOT_I:
case OP_NOT_P:
OPC.integer_var = !OPA.integer_var;
break;
case OP_EQ_I:
case OP_EQ_P:
OPC.integer_var = OPA.integer_var == OPB.integer_var;
break;
case OP_NE_I:
case OP_NE_P:
OPC.integer_var = OPA.integer_var != OPB.integer_var;
break;
case OP_MOVEI:
memmove (&OPC, &OPA, st->b * 4);
break;
case OP_MOVEP:
if (pr_boundscheck->int_val) {
PR_BoundsCheckSize (pr, OPC.integer_var, OPB.uinteger_var);
PR_BoundsCheckSize (pr, OPA.integer_var, OPB.uinteger_var);
}
memmove (pr->pr_globals + OPC.integer_var,
pr->pr_globals + OPA.integer_var,
OPB.uinteger_var * 4);
break;
case OP_MOVEPI:
if (pr_boundscheck->int_val) {
PR_BoundsCheckSize (pr, OPC.integer_var, st->b);
PR_BoundsCheckSize (pr, OPA.integer_var, st->b);
}
memmove (pr->pr_globals + OPC.integer_var,
pr->pr_globals + OPA.integer_var,
st->b * 4);
break;
// LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized
/*
case OP_BOUNDCHECK:
if (OPA.integer_var < 0 || OPA.integer_var >= st->b) {
PR_RunError (pr, "Progs boundcheck failed at line number "
"%d, value is < 0 or >= %d", st->b, st->c);
}
break;
*/
default:
PR_RunError (pr, "Bad opcode %i", st->op);
}
if (watch && watch->integer_var != old_val.integer_var
&& (!pr->wp_conditional
|| watch->integer_var == pr->wp_val.integer_var))
PR_RunError (pr, "watchpoint hit: %d -> %d", old_val.integer_var,
watch->integer_var);
}
}
/*
====================
PR_ExecuteProgram
====================
*/
void PR_ExecuteProgram (func_t fnum)
{
eval_t *a, *b, *c;
int s;
dstatement_t *st;
dfunction_t *f, *newf;
int runaway;
int i;
edict_t *ed;
int exitdepth;
eval_t *ptr;
if (!fnum || fnum >= progs->numfunctions)
{
if (pr_global_struct->self)
ED_Print (PROG_TO_EDICT(pr_global_struct->self));
Host_Error ("PR_ExecuteProgram: NULL function");
}
f = &pr_functions[fnum];
runaway = 100000;
pr_trace = false;
// make a stack frame
exitdepth = pr_depth;
s = PR_EnterFunction (f);
while (1)
{
s++; // next statement
st = &pr_statements[s];
a = (eval_t *)&pr_globals[st->a];
b = (eval_t *)&pr_globals[st->b];
c = (eval_t *)&pr_globals[st->c];
if (!--runaway)
PR_RunError ("runaway loop error");
pr_xfunction->profile++;
pr_xstatement = s;
if (pr_trace)
PR_PrintStatement (st);
switch (st->op)
{
case OP_ADD_F:
c->_float = a->_float + b->_float;
break;
case OP_ADD_V:
c->vector[0] = a->vector[0] + b->vector[0];
c->vector[1] = a->vector[1] + b->vector[1];
c->vector[2] = a->vector[2] + b->vector[2];
break;
case OP_SUB_F:
c->_float = a->_float - b->_float;
break;
case OP_SUB_V:
c->vector[0] = a->vector[0] - b->vector[0];
c->vector[1] = a->vector[1] - b->vector[1];
c->vector[2] = a->vector[2] - b->vector[2];
break;
case OP_MUL_F:
c->_float = a->_float * b->_float;
break;
case OP_MUL_V:
c->_float = a->vector[0]*b->vector[0]
+ a->vector[1]*b->vector[1]
+ a->vector[2]*b->vector[2];
break;
case OP_MUL_FV:
c->vector[0] = a->_float * b->vector[0];
c->vector[1] = a->_float * b->vector[1];
c->vector[2] = a->_float * b->vector[2];
break;
case OP_MUL_VF:
c->vector[0] = b->_float * a->vector[0];
c->vector[1] = b->_float * a->vector[1];
c->vector[2] = b->_float * a->vector[2];
break;
case OP_DIV_F:
c->_float = a->_float / b->_float;
break;
case OP_BITAND:
c->_float = (int)a->_float & (int)b->_float;
break;
case OP_BITOR:
c->_float = (int)a->_float | (int)b->_float;
break;
case OP_GE:
c->_float = a->_float >= b->_float;
break;
case OP_LE:
c->_float = a->_float <= b->_float;
break;
case OP_GT:
c->_float = a->_float > b->_float;
break;
case OP_LT:
c->_float = a->_float < b->_float;
break;
case OP_AND:
c->_float = a->_float && b->_float;
break;
case OP_OR:
c->_float = a->_float || b->_float;
break;
case OP_NOT_F:
c->_float = !a->_float;
break;
case OP_NOT_V:
c->_float = !a->vector[0] && !a->vector[1] && !a->vector[2];
break;
case OP_NOT_S:
c->_float = !a->string || !pr_strings[a->string];
break;
case OP_NOT_FNC:
c->_float = !a->function;
break;
case OP_NOT_ENT:
c->_float = (PROG_TO_EDICT(a->edict) == sv.edicts);
break;
case OP_EQ_F:
c->_float = a->_float == b->_float;
break;
case OP_EQ_V:
c->_float = (a->vector[0] == b->vector[0]) &&
(a->vector[1] == b->vector[1]) &&
(a->vector[2] == b->vector[2]);
break;
case OP_EQ_S:
c->_float = !strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_EQ_E:
c->_float = a->_int == b->_int;
break;
case OP_EQ_FNC:
c->_float = a->function == b->function;
break;
case OP_NE_F:
c->_float = a->_float != b->_float;
break;
case OP_NE_V:
c->_float = (a->vector[0] != b->vector[0]) ||
(a->vector[1] != b->vector[1]) ||
(a->vector[2] != b->vector[2]);
break;
case OP_NE_S:
c->_float = strcmp(pr_strings+a->string,pr_strings+b->string);
break;
case OP_NE_E:
c->_float = a->_int != b->_int;
break;
case OP_NE_FNC:
c->_float = a->function != b->function;
break;
//==================
case OP_STORE_F:
case OP_STORE_ENT:
case OP_STORE_FLD: // integers
case OP_STORE_S:
case OP_STORE_FNC: // pointers
b->_int = a->_int;
break;
case OP_STORE_V:
b->vector[0] = a->vector[0];
b->vector[1] = a->vector[1];
b->vector[2] = a->vector[2];
break;
case OP_STOREP_F:
case OP_STOREP_ENT:
case OP_STOREP_FLD: // integers
case OP_STOREP_S:
case OP_STOREP_FNC: // pointers
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->_int = a->_int;
break;
case OP_STOREP_V:
ptr = (eval_t *)((byte *)sv.edicts + b->_int);
ptr->vector[0] = a->vector[0];
ptr->vector[1] = a->vector[1];
ptr->vector[2] = a->vector[2];
break;
case OP_ADDRESS:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
if (ed == (edict_t *)sv.edicts && sv.state == ss_active)
PR_RunError ("assignment to world entity");
c->_int = (byte *)((int *)&ed->v + b->_int) - (byte *)sv.edicts;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *)((int *)&ed->v + b->_int);
c->_int = a->_int;
break;
case OP_LOAD_V:
ed = PROG_TO_EDICT(a->edict);
#ifdef PARANOID
NUM_FOR_EDICT(ed); // make sure it's in range
#endif
a = (eval_t *)((int *)&ed->v + b->_int);
c->vector[0] = a->vector[0];
c->vector[1] = a->vector[1];
c->vector[2] = a->vector[2];
break;
//==================
case OP_IFNOT:
if (!a->_int)
s += st->b - 1; // offset the s++
break;
case OP_IF:
if (a->_int)
s += st->b - 1; // offset the s++
break;
case OP_GOTO:
s += st->a - 1; // offset the s++
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:
pr_argc = st->op - OP_CALL0;
if (!a->function)
PR_RunError ("NULL function");
newf = &pr_functions[a->function];
if (newf->first_statement < 0)
{ // negative statements are built in functions
i = -newf->first_statement;
if (i >= pr_numbuiltins)
PR_RunError ("Bad builtin call number");
pr_builtins[i] ();
break;
}
s = PR_EnterFunction (newf);
break;
case OP_DONE:
case OP_RETURN:
pr_globals[OFS_RETURN] = pr_globals[st->a];
pr_globals[OFS_RETURN+1] = pr_globals[st->a+1];
pr_globals[OFS_RETURN+2] = pr_globals[st->a+2];
s = PR_LeaveFunction ();
if (pr_depth == exitdepth)
return; // all done
break;
case OP_STATE:
ed = PROG_TO_EDICT(pr_global_struct->self);
#ifdef FPS_20
ed->v.nextthink = pr_global_struct->time + 0.05;
#else
ed->v.nextthink = pr_global_struct->time + 0.1;
#endif
if (a->_float != ed->v.frame)
{
ed->v.frame = a->_float;
}
ed->v.think = b->function;
break;
default:
PR_RunError ("Bad opcode %i", st->op);
}
}
}
void
PR_ExecuteProgram (progs_t *pr, func_t fnum)
{
dstatement_t *st;
dfunction_t *f, *newf;
edict_t *ed;
int exitdepth;
eval_t *ptr;
int profile, startprofile;
if (!fnum || fnum >= pr->progs->numfunctions) {
if (pr->pr_global_struct->self)
ED_Print (pr, PROG_TO_EDICT (pr, pr->pr_global_struct->self));
SV_Error ("PR_ExecuteProgram: NULL function");
}
f = &pr->pr_functions[fnum];
pr->pr_trace = false;
// make a stack frame
exitdepth = pr->pr_depth;
st = &pr->pr_statements[PR_EnterFunction (pr, f)];
startprofile = profile = 0;
while (1) {
st++;
if (++profile > 1000000) // LordHavoc: increased runaway loop
// limit 10x
{
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError (pr, "runaway loop error");
}
if (pr->pr_trace)
PR_PrintStatement (pr, st);
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:
OPC->_float = OPA->_float / OPB->_float;
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 = OPA->_float && OPB->_float;
break;
case OP_OR:
OPC->_float = OPA->_float || OPB->_float;
break;
case OP_NOT_F:
OPC->_float = !OPA->_float;
break;
case OP_NOT_V:
OPC->_float = VectorIsNull(OPA->vector);
break;
case OP_NOT_S:
OPC->_float = !OPA->string || !*PR_GetString (pr, OPA->string);
break;
case OP_NOT_FNC:
OPC->_float = !OPA->function;
break;
case OP_NOT_ENT:
OPC->_float = (PROG_TO_EDICT (pr, OPA->edict) == *pr->edicts);
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 (PR_GetString (pr, OPA->string),
PR_GetString (pr, 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 (PR_GetString (pr, OPA->string),
PR_GetString (pr, 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->vector[0] = OPA->vector[0];
OPB->vector[1] = OPA->vector[1];
OPB->vector[2] = OPA->vector[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 (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int + 4 > pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an out of bounds edict\n");
return;
}
if (pr_boundscheck->int_val && (OPB->_int % pr->pr_edict_size <
((byte *) & (*pr->edicts)->v -
(byte *) *pr->edicts))) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an engine edict field\n");
return;
}
ptr = (eval_t *) ((byte *) *pr->edicts + OPB->_int);
ptr->_int = OPA->_int;
break;
case OP_STOREP_V:
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int + 12 > pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an out of bounds edict\n");
return;
}
ptr = (eval_t *) ((byte *) *pr->edicts + OPB->_int);
ptr->vector[0] = OPA->vector[0];
ptr->vector[1] = OPA->vector[1];
ptr->vector[2] = OPA->vector[2];
break;
case OP_ADDRESS:
if (pr_boundscheck->int_val
&& (OPA->edict < 0 || OPA->edict >= pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to address an out of bounds edict\n");
return;
}
if (pr_boundscheck->int_val
&& (OPA->edict == 0 && pr->null_bad)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError (pr, "assignment to world entity");
return;
}
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int >= pr->progs->entityfields)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to address an invalid field in an edict\n");
return;
}
ed = PROG_TO_EDICT (pr, OPA->edict);
OPC->_int =
(byte *) ((int *) &ed->v + OPB->_int) - (byte *) *pr->edicts;
break;
case OP_LOAD_F:
case OP_LOAD_FLD:
case OP_LOAD_ENT:
case OP_LOAD_S:
case OP_LOAD_FNC:
if (pr_boundscheck->int_val
&& (OPA->edict < 0 || OPA->edict >= pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an out of bounds edict number\n");
return;
}
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int >= pr->progs->entityfields)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an invalid field in an edict\n");
return;
}
ed = PROG_TO_EDICT (pr, OPA->edict);
OPC->_int = ((eval_t *) ((int *) &ed->v + OPB->_int))->_int;
break;
case OP_LOAD_V:
if (pr_boundscheck->int_val
&& (OPA->edict < 0 || OPA->edict >= pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an out of bounds edict number\n");
return;
}
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int + 2 >= pr->progs->entityfields)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an invalid field in an edict\n");
return;
}
ed = PROG_TO_EDICT (pr, OPA->edict);
OPC->vector[0] =
((eval_t *) ((int *) &ed->v + OPB->_int))->vector[0];
OPC->vector[1] =
((eval_t *) ((int *) &ed->v + OPB->_int))->vector[1];
OPC->vector[2] =
((eval_t *) ((int *) &ed->v + OPB->_int))->vector[2];
break;
// ==================
case OP_IFNOT:
if (!OPA->_int)
st += st->b - 1; // offset the s++
break;
case OP_IF:
if (OPA->_int)
st += st->b - 1; // offset the s++
break;
case OP_GOTO:
st += st->a - 1; // offset the s++
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:
pr->pr_xfunction->profile += profile - startprofile;
startprofile = profile;
pr->pr_xstatement = st - pr->pr_statements;
pr->pr_argc = st->op - OP_CALL0;
if (!OPA->function)
PR_RunError (pr, "NULL function");
newf = &pr->pr_functions[OPA->function];
if (newf->first_statement < 0) { // negative
// statements are
// built in functions
int i = -newf->first_statement;
if (i >= pr_numbuiltins)
PR_RunError (pr, "Bad builtin call number");
pr_builtins[i] (pr);
break;
}
st = &pr->pr_statements[PR_EnterFunction (pr, newf)];
break;
case OP_DONE:
case OP_RETURN:
pr->pr_globals[OFS_RETURN] = pr->pr_globals[(unsigned short) st->a];
pr->pr_globals[OFS_RETURN + 1] =
pr->pr_globals[(unsigned short) st->a + 1];
pr->pr_globals[OFS_RETURN + 2] =
pr->pr_globals[(unsigned short) st->a + 2];
st = &pr->pr_statements[PR_LeaveFunction (pr)];
if (pr->pr_depth == exitdepth)
return; // all done
break;
case OP_STATE:
ed = PROG_TO_EDICT (pr, pr->pr_global_struct->self);
ed->v.v.nextthink = pr->pr_global_struct->time + 0.1;
ed->v.v.frame = OPA->_float;
ed->v.v.think = OPB->function;
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 (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int + 4 > pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an out of bounds edict\n");
return;
}
if (pr_boundscheck->int_val
&& (OPB->_int % pr->pr_edict_size <
((byte *) & (*pr->edicts)->v - (byte *) *pr->edicts))) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an engine edict field\n");
return;
}
ptr = (eval_t *) ((byte *) *pr->edicts + OPB->_int);
ptr->_int = OPA->_int;
break;
case OP_LOAD_I:
if (pr_boundscheck->int_val
&& (OPA->edict < 0 || OPA->edict >= pr->pr_edictareasize)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an out of bounds edict number\n");
return;
}
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int >= pr->progs->entityfields)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an invalid field in an edict\n");
return;
}
ed = PROG_TO_EDICT (pr, OPA->edict);
OPC->_int = ((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 (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int >= pr->pr_globaldefs)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an invalid indexed global\n");
return;
}
pr->pr_globals[OPB->_int] = OPA->_float;
break;
case OP_GSTOREP_V:
if (pr_boundscheck->int_val
&& (OPB->_int < 0 || OPB->_int + 2 >= pr->pr_globaldefs)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to write to an invalid indexed global\n");
return;
}
pr->pr_globals[OPB->_int] = OPA->vector[0];
pr->pr_globals[OPB->_int + 1] = OPA->vector[1];
pr->pr_globals[OPB->_int + 2] = OPA->vector[2];
break;
case OP_GADDRESS:
i = OPA->_int + (int) OPB->_float;
if (pr_boundscheck->int_val
&& (i < 0 || i >= pr->pr_globaldefs)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to address an out of bounds global\n");
return;
}
OPC->_float = pr->pr_globals[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 (pr_boundscheck->int_val
&& (OPA->_int < 0 || OPA->_int >= pr->pr_globaldefs)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an invalid indexed global\n");
return;
}
OPC->_float = pr->pr_globals[OPA->_int];
break;
case OP_GLOAD_V:
if (pr_boundscheck->int_val
&& (OPA->_int < 0 || OPA->_int + 2 >= pr->pr_globaldefs)) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs attempted to read an invalid indexed global\n");
return;
}
OPC->vector[0] = pr->pr_globals[OPA->_int];
OPC->vector[1] = pr->pr_globals[OPA->_int + 1];
OPC->vector[2] = pr->pr_globals[OPA->_int + 2];
break;
case OP_BOUNDCHECK:
if (OPA->_int < 0 || OPA->_int >= st->b) {
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError
(pr, "Progs boundcheck failed at line number %d, value is < 0 or >= %d\n",
st->b, st->c);
return;
}
break;
*/
default:
pr->pr_xstatement = st - pr->pr_statements;
PR_RunError (pr, "Bad opcode %i", st->op);
}
}
}