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[qfcc] Allow binary operations between vector and vec3

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While I might need to tighten up the rules later, this allows binary
operations between vector (the type) and explicitly typed vec3 constants
(and non-constants, about which I am undecided). The idea is that
explicit constants such as '1 2 3'f should be compatible with either
type.

This applies to quaternions as well.
This commit is contained in:
Bill Currie 2022-08-17 16:03:51 +09:00
parent 0897952a57
commit 42287f1e0e
1 changed files with 6 additions and 0 deletions
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6
tools/qfcc/source/expr_binary.c
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@ -1094,6 +1094,12 @@ binary_expr (int op, expr_t *e1, expr_t *e2)
e2 = cast_expr (t1, e2);
} else if (type_promotes (base_type (t2), base_type (t1))) {
e1 = cast_expr (t2, e1);
} else if (base_type (t1) == base_type (t2)) {
if (is_vector (t1) || is_quaternion (t1)) {
e2 = cast_expr (t1, e2);
} else if (is_vector (t2) || is_quaternion (t2)) {
e1 = cast_expr (t2, e1);
}
} else {
debug (e1, "%d %d\n", e1->implicit, e2->implicit);
return invalid_binary_expr (op, e1, e2);