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Fix matrix stack heap corruption (#166)

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* Fix matrix stack heap corruption

* Fix matrix overflow bug
This commit is contained in:
MegaMech
2025-01-24 19:47:37 -07:00
committed by GitHub
parent 23133b6fc0
commit 73ba320831
4 changed files with 36 additions and 33 deletions
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src/engine/Matrix.cpp
+21 -20
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@@ -34,29 +34,30 @@ void AddMatrixFixed(std::vector<Mtx>& stack, s32 flags) {
}
// Used in func_80095BD0
void SetTextMatrix(f32 arg1, f32 arg2, f32 arg3, f32 arg4) {
Mat4 mtx;
mtx[0][0] = arg3;
mtx[0][1] = 0.0f;
mtx[0][2] = 0.0f;
mtx[0][3] = 0.0f;
mtx[1][0] = 0.0f;
mtx[1][1] = arg4;
mtx[1][2] = 0.0f;
mtx[1][3] = 0.0f;
mtx[2][0] = 0.0f;
mtx[2][1] = 0.0f;
mtx[2][2] = 1.0f;
mtx[2][3] = 0.0f;
mtx[3][0] = arg1;
mtx[3][1] = arg2;
mtx[3][2] = 0.0f;
mtx[3][3] = 1.0f;
Mtx* SetTextMatrix(f32 arg1, f32 arg2, f32 arg3, f32 arg4) {
Mat4 matrix;
matrix[0][0] = arg3;
matrix[0][1] = 0.0f;
matrix[0][2] = 0.0f;
matrix[0][3] = 0.0f;
matrix[1][0] = 0.0f;
matrix[1][1] = arg4;
matrix[1][2] = 0.0f;
matrix[1][3] = 0.0f;
matrix[2][0] = 0.0f;
matrix[2][1] = 0.0f;
matrix[2][2] = 1.0f;
matrix[2][3] = 0.0f;
matrix[3][0] = arg1;
matrix[3][1] = arg2;
matrix[3][2] = 0.0f;
matrix[3][3] = 1.0f;
Mtx* mtx = GetMatrix(gWorldInstance.Mtx.Effects);
guMtxF2L(matrix, mtx);
AddMatrix(gWorldInstance.Mtx.Effects, mtx, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
return mtx;
}
// API
extern "C" {