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[gamecode] Make string ops mostly conform with bools 

The compare/ne operator returns "random" -ve, 0, +ve values (really,
just the numerical difference between the chars of the strings), but all
the rest return -1 for true and 0 for false, as with the rest of the
comparison operators.
This commit is contained in:
Bill Currie 2022-01-14 22:44:08 +09:00
parent c8362c28fe
commit 1aa4844bf6
1 changed files with 7 additions and 7 deletions
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14
libs/gamecode/pr_exec.c
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@ -3280,12 +3280,12 @@ pr_exec_ruamoko (progs_t *pr, int exitdepth)
int cmp = strcmp (PR_GetString (pr, OPA(string)),
PR_GetString (pr, OPB(string)));
switch (st_op) {
case OP_EQ_S: cmp = (cmp == 0); break;
case OP_LT_S: cmp = (cmp < 0); break;
case OP_GT_S: cmp = (cmp > 0); break;
case OP_GE_S: cmp = (cmp >= 0); break;
case OP_LE_S: cmp = (cmp <= 0); break;
case OP_NOT_S: break;
case OP_EQ_S: cmp = -(cmp == 0); break;
case OP_LT_S: cmp = -(cmp < 0); break;
case OP_GT_S: cmp = -(cmp > 0); break;
case OP_GE_S: cmp = -(cmp >= 0); break;
case OP_LE_S: cmp = -(cmp <= 0); break;
case OP_CMP_S: break;
default: break;
}
OPC(int) = cmp;
@ -3296,7 +3296,7 @@ pr_exec_ruamoko (progs_t *pr, int exitdepth)
PR_GetString (pr, OPB(string)));
break;
case OP_NOT_S:
OPC(int) = !OPA(string) || !*PR_GetString (pr, OPA(string));
OPC(int) = -(!OPA(string) || !*PR_GetString (pr, OPA(string)));
break;
// 1 0111
OP_op_T (ASR, I, int, ivec2, ivec4, >>);