mirrors/isle
1
0
Fork 0
mirror of https://github.com/isledecomp/isle.git synced 2025-10-23 00:14:22 +00:00
Code Issues Packages Projects Releases Wiki Activity

Match FUN_1006b140() and related functions (#1623)

Browse Source 
* Match on BETA10

* Possible improvement on Matrix4::Swap

* Document entropy build result

* Comments at at Matrix4::Invert

---------

Co-authored-by: jonschz <jonschz@users.noreply.github.com>
This commit is contained in:
jonschz
2025-07-13 16:50:51 +02:00
committed by GitHub
parent 657720c825
commit 40c1a40d2b
3 changed files with 17 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
LEGO1/realtime/matrix4d.inl.h
View File

@@ -290,6 +290,8 @@ void Matrix4::RotateZ(const float& p_angle)
// FUNCTION: BETA10 0x1005a590
int Matrix4::Invert(Matrix4& p_mat)
{
// Inlined at LEGO1 0x1006b2d3
float copyData[4][4];
Matrix4 copy(copyData);
copy = *this;
@@ -312,6 +314,7 @@ int Matrix4::Invert(Matrix4& p_mat)
}
if (copy[i][i] < 0.001f && copy[i][i] > -0.001f) {
// FAILURE from mxtypes.h
return -1;
}
@@ -349,14 +352,19 @@ int Matrix4::Invert(Matrix4& p_mat)
}
}
// SUCCESS from mxtypes.h
return 0;
}
// FUNCTION: LEGO1 0x1006b500
// FUNCTION: BETA10 0x1005aa20
void Matrix4::Swap(int p_d1, int p_d2)
{
for (int i = 0; i < 4; i++) {
float e = m_data[p_d1][i];
// This function is affected by entropy even in debug builds
int i;
float e;
for (i = 0; i < 4; i++) {
e = m_data[p_d1][i];
m_data[p_d1][i] = m_data[p_d2][i];
m_data[p_d2][i] = e;
}