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Decompile fn_02026 (matrix::IsIdentity)

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Batch #10643 by StrawberrysherbetIX: 1 byte-identical, 0 confirmed by peer review.

- fn_02026 matrix::IsIdentity: byte-identical

Peer-reviewed-by: ragnarok-clanker, Yommy, dori, cremane
Merged automatically: every function is byte-identical to the original.
This commit is contained in:
ragnarok-clanker 2026-11-04 22:55:37 +00:00
commit e6bb431bf8
1 changed files with 6 additions and 9 deletions
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15
Source/Utility/Math/AffineMatrix.cpp
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@ -184,16 +184,13 @@ void matrix::MakeInverse(const matrix& source) {
// OFFSET: 0x00554620
// FUNCTION: fn_02026
int matrix::IsIdentity() const {
const auto absolute = [](float value) {
return std::bit_cast<float>(std::bit_cast<unsigned>(value) & 0x7FFFFFFFu);
};
const float tolerance = 1.0e-5f;
if (absolute(this->values[0] - 1.0f) > tolerance || absolute(this->values[4] - 1.0f) > tolerance ||
absolute(this->values[8] - 1.0f) > tolerance || absolute(this->values[1]) > tolerance ||
absolute(this->values[2]) > tolerance || absolute(this->values[3]) > tolerance ||
absolute(this->values[5]) > tolerance || absolute(this->values[6]) > tolerance ||
absolute(this->values[7]) > tolerance || absolute(this->values[9]) > tolerance ||
absolute(this->values[10]) > tolerance || absolute(this->values[11]) > tolerance) {
if (std::fabs(this->values[0] - 1.0f) > tolerance || std::fabs(this->values[4] - 1.0f) > tolerance ||
std::fabs(this->values[8] - 1.0f) > tolerance || std::fabs(this->values[1]) > tolerance ||
std::fabs(this->values[2]) > tolerance || std::fabs(this->values[3]) > tolerance ||
std::fabs(this->values[5]) > tolerance || std::fabs(this->values[6]) > tolerance ||
std::fabs(this->values[7]) > tolerance || std::fabs(this->values[9]) > tolerance ||
std::fabs(this->values[10]) > tolerance || std::fabs(this->values[11]) > tolerance) {
return 0;
}
return 1;