1 files changed, 189 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/include/g3d/matrix.h b/src/others/mimesh/libg3d-0.0.8/include/g3d/matrix.h
new file mode 100644
index 0000000..df4a7a2
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/include/g3d/matrix.h
@@ -0,0 +1,189 @@
+/* $Id$ */
+
+/*
+    libg3d - 3D object loading library
+
+    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _G3D_MATRIX_H
+#define _G3D_MATRIX_H
+
+#include <g3d/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* ifdef __cplusplus */
+
+/**
+ * SECTION:matrix
+ * @short_description: Matrix manipulation and calculation
+ * @include: g3d/matrix.h
+ *
+ * Matrices in libg3d have the following layout:
+ *
+ * G3DMatrix matrix[16]:
+ *
+ * matrix[col * 4 + row] = f;
+ */
+
+/**
+ * g3d_matrix_identity:
+ * @matrix: 4x4 matrix (float[16])
+ *
+ * Sets the given matrix to the identity matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_identity(G3DMatrix *matrix);
+
+/**
+ * g3d_matrix_new:
+ *
+ * Create a new matrix. It is also set to the identity matrix.
+ *
+ * Returns: the new matrix
+ */
+_G3D_STATIC_INLINE G3DMatrix *g3d_matrix_new(void) {
+        G3DMatrix *matrix = g_new(G3DMatrix, 16);
+        g3d_matrix_identity(matrix);
+        return matrix;
+}
+
+/**
+ * g3d_matrix_free:
+ * @matrix: the matrix to free
+ *
+ * Free the memory allocated by a matrix.
+ */
+_G3D_STATIC_INLINE void g3d_matrix_free(G3DMatrix *matrix) {
+        g_free(matrix);
+}
+
+/**
+ * g3d_matrix_multiply:
+ * @m1: first matrix
+ * @m2: second matrix
+ * @rm: resulting matrix
+ *
+ * Multiplies the matrixes.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_multiply(G3DMatrix *m1, G3DMatrix *m2, G3DMatrix *rm);
+
+/**
+ * g3d_matrix_translate:
+ * @x: x translation
+ * @y: y translation
+ * @z: z translation
+ * @rm: resulting matrix
+ *
+ * Adds a translation to the the matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_translate(G3DFloat x, G3DFloat y, G3DFloat z,
+        G3DMatrix *rm);
+
+/**
+ * g3d_matrix_rotate:
+ * @angle: rotation angle
+ * @ax: x component of rotation axis
+ * @ay: y component of rotation axis
+ * @az: z component of rotation axis
+ * @rm: resulting matrix
+ *
+ * Adds a rotation to the matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_rotate(G3DFloat angle, G3DFloat ax, G3DFloat ay,
+        G3DFloat az, G3DMatrix *rm);
+
+/**
+ * g3d_matrix_rotate_xyz
+ * @rx: rotation around x axis
+ * @ry: rotation around y axis
+ * @rz: rotation around z axis
+ * @rm: resulting matrix
+ *
+ * Adds a rotation around the 3 coordinate system axes to the matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_rotate_xyz(G3DFloat rx, G3DFloat ry, G3DFloat rz,
+        G3DMatrix *rm);
+
+/**
+ * g3d_matrix_scale:
+ * @x: x factor
+ * @y: y factor
+ * @z: z factor
+ * @rm: resulting matrix
+ *
+ * Adds a scaling to the matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_scale(G3DFloat x, G3DFloat y, G3DFloat z, G3DMatrix *rm);
+
+/**
+ * g3d_matrix_transpose:
+ * @matrix: the matrix
+ *
+ * Transposes the matrix.
+ *
+ * Returns: TRUE on success, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_transpose(G3DMatrix *matrix);
+
+/**
+ * g3d_matrix_determinant:
+ * @matrix: the matrix
+ *
+ * Calculate the determinant of the matrix (FIXME: not verified).
+ *
+ * Returns: the determinant.
+ */
+EAPI
+G3DFloat g3d_matrix_determinant(G3DMatrix *matrix);
+
+/**
+ * g3d_matrix_dump:
+ * @matrix: the matrix
+ *
+ * If debugging is enabled, this function dump the matrix to stderr.
+ *
+ * Returns: TRUE if matrix is dumped, FALSE else
+ */
+EAPI
+gboolean g3d_matrix_dump(G3DMatrix *matrix);
+
+#ifdef __cplusplus
+}
+#endif /* ifdef __cplusplus */
+
+#endif /* _G3D_MATRIX_H */
+