implemented a -profilegameonly commandline option for profile builds on

[xonotic/darkplaces.git] / matrixlib.c

diff --git a/matrixlib.c b/matrixlib.c
index 7e4783e2c7ec01c44c07f382b10319be352fdfcd..e430a7d476a03693e16e2c157a4043f100b1c0dd 100644 (file)
--- a/matrixlib.c
+++ b/matrixlib.c
@@ -2,6 +2,11 @@
 #include <math.h>
 #include "matrixlib.h"
 
+#ifdef _MSC_VER
+#pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
+#pragma warning(disable : 4305)         // LordHavoc: MSVC++ 6 x86, double/float
+#endif
+
 const matrix4x4_t identitymatrix =
 {
        {
@@ -365,6 +370,35 @@ void Matrix4x4_Normalize (matrix4x4_t *out, matrix4x4_t *in1)
        Matrix4x4_Scale(out, scale, 1);
 }
 
+void Matrix4x4_Reflect (matrix4x4_t *out, double normalx, double normaly, double normalz, double dist, double axisscale)
+{
+       int i;
+       double d;
+       double p[4], p2[4];
+       p[0] = normalx;
+       p[1] = normaly;
+       p[2] = normalz;
+       p[3] = -dist;
+       p2[0] = p[0] * axisscale;
+       p2[1] = p[1] * axisscale;
+       p2[2] = p[2] * axisscale;
+       p2[3] = 0;
+       for (i = 0;i < 4;i++)
+       {
+#ifdef MATRIX4x4_OPENGLORIENTATION
+               d = out->m[i][0] * p[0] + out->m[i][1] * p[1] + out->m[i][2] * p[2] + out->m[i][3] * p[3];
+               out->m[i][0] += p2[0] * d;
+               out->m[i][1] += p2[1] * d;
+               out->m[i][2] += p2[2] * d;
+#else
+               d = out->m[0][i] * p[0] + out->m[1][i] * p[1] + out->m[2][i] * p[2] + out->m[3][i] * p[3];
+               out->m[0][i] += p2[0] * d;
+               out->m[1][i] += p2[1] * d;
+               out->m[2][i] += p2[2] * d;
+#endif
+       }
+}
+
 void Matrix4x4_CreateIdentity (matrix4x4_t *out)
 {
        out->m[0][0]=1.0f;