implemented sv_gameplayfix_delayprojectiles -1 (force move on first

[xonotic/darkplaces.git] / matrixlib.c

diff --git a/matrixlib.c b/matrixlib.c
index 7b7bfad6fa7a43aa8e214e1a73fc0b167d8fe40e..a0bf9c96125e6a59f68bb31c618b5b84b3a1820d 100644 (file)
--- a/matrixlib.c
+++ b/matrixlib.c
@@ -1241,6 +1241,36 @@ void Matrix4x4_Transform3x3 (const matrix4x4_t *in, const float v[3], float out[
 #endif
 }
 
+void Matrix4x4_TransformPositivePlane(const matrix4x4_t *in, float x, float y, float z, float d, float *o)
+{
+#ifdef MATRIX4x4_OPENGLORIENTATION
+       o[0] = x * in->m[0][0] + y * in->m[1][0] + z * in->m[2][0];
+       o[1] = x * in->m[0][1] + y * in->m[1][1] + z * in->m[2][1];
+       o[2] = x * in->m[0][2] + y * in->m[1][2] + z * in->m[2][2];
+       o[3] = d + (x * in->m[3][0] + y * in->m[3][1] + z * in->m[3][2]);
+#else
+       o[0] = x * in->m[0][0] + y * in->m[0][1] + z * in->m[0][2];
+       o[1] = x * in->m[1][0] + y * in->m[1][1] + z * in->m[1][2];
+       o[2] = x * in->m[2][0] + y * in->m[2][1] + z * in->m[2][2];
+       o[3] = d + (x * in->m[0][3] + y * in->m[1][3] + z * in->m[2][3]);
+#endif
+}
+
+void Matrix4x4_TransformStandardPlane(const matrix4x4_t *in, float x, float y, float z, float d, float *o)
+{
+#ifdef MATRIX4x4_OPENGLORIENTATION
+       o[0] = x * in->m[0][0] + y * in->m[1][0] + z * in->m[2][0];
+       o[1] = x * in->m[0][1] + y * in->m[1][1] + z * in->m[2][1];
+       o[2] = x * in->m[0][2] + y * in->m[1][2] + z * in->m[2][2];
+       o[3] = d - (x * in->m[3][0] + y * in->m[3][1] + z * in->m[3][2]);
+#else
+       o[0] = x * in->m[0][0] + y * in->m[0][1] + z * in->m[0][2];
+       o[1] = x * in->m[1][0] + y * in->m[1][1] + z * in->m[1][2];
+       o[2] = x * in->m[2][0] + y * in->m[2][1] + z * in->m[2][2];
+       o[3] = d - (x * in->m[0][3] + y * in->m[1][3] + z * in->m[2][3]);
+#endif
+}
+
 /*
 void Matrix4x4_SimpleUntransform (const matrix4x4_t *in, const float v[3], float out[3])
 {