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Clear unknowns in Matrix (#1615)

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This commit is contained in:
Fabian Neundorf
2025-07-11 03:58:53 +02:00
committed by GitHub
parent c784fc32f1
commit 6497cb42b7
3 changed files with 34 additions and 34 deletions
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2
LEGO1/realtime/matrix.h
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@@ -45,7 +45,7 @@ public:
inline void RotateX(const float& p_angle);
inline void RotateY(const float& p_angle);
inline void RotateZ(const float& p_angle);
inline int BETA_1005a590(Matrix4& p_mat);
inline int Invert(Matrix4& p_mat);
inline void Swap(int p_d1, int p_d2);
// FUNCTION: BETA10 0x1001c670

60
LEGO1/realtime/matrix4d.inl.h
View File

@@ -288,62 +288,62 @@ void Matrix4::RotateZ(const float& p_angle)
}
// FUNCTION: BETA10 0x1005a590
int Matrix4::BETA_1005a590(Matrix4& p_mat)
int Matrix4::Invert(Matrix4& p_mat)
{
float local5c[4][4];
Matrix4 localc(local5c);
localc = *this;
float copyData[4][4];
Matrix4 copy(copyData);
copy = *this;
p_mat.SetIdentity();
for (int i = 0; i < 4; i++) {
int local1c = i;
int local10;
int pivotColumn = i;
int column;
for (local10 = i + 1; local10 < 4; local10++) {
if (fabs(localc[local1c][i]) < fabs(localc[local10][i])) {
local1c = local10;
for (column = i + 1; column < 4; column++) {
if (fabs(copy[pivotColumn][i]) < fabs(copy[column][i])) {
pivotColumn = column;
}
}
if (local1c != i) {
localc.Swap(local1c, i);
p_mat.Swap(local1c, i);
if (pivotColumn != i) {
copy.Swap(pivotColumn, i);
p_mat.Swap(pivotColumn, i);
}
if (localc[i][i] < 0.001f && localc[i][i] > -0.001f) {
if (copy[i][i] < 0.001f && copy[i][i] > -0.001f) {
return -1;
}
float local60 = localc[i][i];
int local18;
float pivotValue = copy[i][i];
int k;
for (local18 = 0; local18 < 4; local18++) {
p_mat[i][local18] /= local60;
for (k = 0; k < 4; k++) {
p_mat[i][k] /= pivotValue;
}
for (local18 = 0; local18 < 4; local18++) {
localc[i][local18] /= local60;
for (k = 0; k < 4; k++) {
copy[i][k] /= pivotValue;
}
for (local10 = 0; local10 < 4; local10++) {
if (i != local10) {
float afStack70[4];
for (column = 0; column < 4; column++) {
if (i != column) {
float tempColumn[4];
for (local18 = 0; local18 < 4; local18++) {
afStack70[local18] = p_mat[i][local18] * localc[local10][i];
for (k = 0; k < 4; k++) {
tempColumn[k] = p_mat[i][k] * copy[column][i];
}
for (local18 = 0; local18 < 4; local18++) {
p_mat[local10][local18] -= afStack70[local18];
for (k = 0; k < 4; k++) {
p_mat[column][k] -= tempColumn[k];
}
for (local18 = 0; local18 < 4; local18++) {
afStack70[local18] = localc[i][local18] * localc[local10][i];
for (k = 0; k < 4; k++) {
tempColumn[k] = copy[i][k] * copy[column][i];
}
for (local18 = 0; local18 < 4; local18++) {
localc[local10][local18] -= afStack70[local18];
for (k = 0; k < 4; k++) {
copy[column][k] -= tempColumn[k];
}
}
}