Backups/SA-MP
1
0
Fork 0
mirror of https://github.com/dashr9230/SA-MP.git synced 2026-10-10 03:33:04 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

[saco] Implement/match FUNC_100B5620; the quaternion to euler conversion doubles with x * 2.0f and reaches asin through the __CIasin intrinsic

Browse Source
This commit is contained in:
ricardoofnl
2026-09-05 10:45:43 +07:00
parent 0c65e210a2
commit e29832070a
2 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
saco/game/util.cpp
+16
View File
@@ -2041,3 +2041,19 @@ void FUNC_100B5480(float *pQuatOut, float *pQuatFrom, float *pQuatTo, float fT)
pQuatOut[2] = qOut.y;
pQuatOut[3] = qOut.z;
}
//-----------------------------------------------------------
void FUNC_100B5620(float *pQuat, float *pEuler)
{
float f0 = pQuat[0] * pQuat[0];
float f1 = pQuat[1] * pQuat[1];
float f2 = pQuat[2] * pQuat[2];
float f3 = pQuat[3] * pQuat[3];
pEuler[0] = (float)atan2((pQuat[2] * pQuat[1] + pQuat[3] * pQuat[0]) * 2.0f,
f1 - f2 - f3 + f0);
pEuler[1] = (float)asin((pQuat[3] * pQuat[1] - pQuat[2] * pQuat[0]) * -2.0f);
pEuler[2] = (float)atan2((pQuat[3] * pQuat[2] + pQuat[1] * pQuat[0]) * 2.0f,
f3 - (f2 + f1) + f0);
}
saco/game/util.h
+1
View File
@@ -168,6 +168,7 @@ void FUNC_100B57E0(int a1, int nIndex, int a3, int a4); // .text:100B57E0
void FUNC_100B5790(int a1, int nIndex, int a3); // .text:100B5790
void FUNC_100B5740(int a1, int a2); // .text:100B5740
void FUNC_100B5830(int a1, int nIndex, float *pfOut); // .text:100B5830
void FUNC_100B5620(float *pQuat, float *pEuler); // .text:100B5620
void FUNC_100B5210(int a1, void *a2); // .text:100B5210, __cdecl: the caller's
// stack cleanup is folded into the next call's argument setup