X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=matrixlib.h;h=f510f3d9d567975b99ad0c624f89a0383d334871;hb=74114c15d518859de79175ce60347ce6d959f81c;hp=90e816270a4b7cc5346058673f9feadba872c1a8;hpb=2fe9d8457697fb9d9846e1464829bd976da30cfc;p=xonotic%2Fdarkplaces.git

diff --git a/matrixlib.h b/matrixlib.h
index 90e81627..f510f3d9 100644
--- a/matrixlib.h
+++ b/matrixlib.h
@@ -6,6 +6,8 @@
 #define M_PI		3.14159265358979323846	// matches value in gcc v2 math.h
 #endif
 
+//#define MATRIX4x4_OPENGLORIENTATION
+
 typedef struct matrix4x4_s
 {
 	float m[4][4];
@@ -28,9 +30,12 @@ void Matrix4x4_Concat (matrix4x4_t *out, const matrix4x4_t *in1, const matrix4x4
 // swaps the rows and columns of the matrix
 // (is this useful for anything?)
 void Matrix4x4_Transpose (matrix4x4_t *out, const matrix4x4_t *in1);
-// swaps the rows and columns of the rotation matrix
-// (inverting the rotation, but leaving everything else the same)
-void Matrix4x4_Transpose3x3 (matrix4x4_t *out, const matrix4x4_t *in1);
+// creates a matrix that does the opposite of the matrix provided
+// this is a full matrix inverter, it should be able to invert any matrix that
+// is possible to invert
+// (non-uniform scaling, rotation, shearing, and translation, possibly others)
+// warning: this function is SLOW
+int Matrix4x4_Invert_Full (matrix4x4_t *out, const matrix4x4_t *in1);
 // creates a matrix that does the opposite of the matrix provided
 // only supports translate, rotate, scale (not scale3) matrices
 void Matrix4x4_Invert_Simple (matrix4x4_t *out, const matrix4x4_t *in1);