1 files changed, 147 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/src/read.c b/src/others/mimesh/libg3d-0.0.8/src/read.c
new file mode 100644
index 0000000..7f0b9da
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/src/read.c
@@ -0,0 +1,147 @@
+/* $Id$ */
+
+/*
+    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
+*/
+
+#include <stdio.h>
+#include <g3d/types.h>
+
+gint32 g3d_read_int8(FILE *f)
+{
+        int c = fgetc(f);
+        if(c == EOF)
+                return 0;
+        else
+                return c;
+}
+
+gint32 g3d_read_int16_be(FILE *f)
+{
+        return (g3d_read_int8(f)<<8) | g3d_read_int8(f);
+}
+
+gint32 g3d_read_int16_le(FILE *f)
+{
+        return g3d_read_int8(f) | (g3d_read_int8(f)<<8);
+}
+
+gint32 g3d_read_int32_be(FILE *f)
+{
+        return (g3d_read_int8(f) << 24) | (g3d_read_int8(f) << 16) |
+                (g3d_read_int8(f) << 8) | g3d_read_int8(f);
+}
+
+gint32 g3d_read_int32_le(FILE *f)
+{
+        return  g3d_read_int8(f) | (g3d_read_int8(f) << 8) |
+                (g3d_read_int8(f) << 16) | (g3d_read_int8(f) << 24);
+}
+
+static void g3d_read_bytes(FILE *f, guint8 *buf, gsize n)
+{
+        gint32 i;
+        for(i = 0; i < n; i ++)
+                buf[i] = g3d_read_int8(f);
+}
+
+static void g3d_read_bytes_swap(FILE *f, guint8 *buf, gsize n)
+{
+        gint32 i;
+        for(i = (n - 1); i >= 0; i --)
+                buf[i] = g3d_read_int8(f);
+}
+
+G3DFloat g3d_read_float_be(FILE *f)
+{
+        union {
+                G3DFloat f;
+                guint8 u[4];
+        } u;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_read_bytes_swap(f, u.u, 4);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_read_bytes(f, u.u, 4);
+#endif
+        return u.f;
+}
+
+G3DFloat g3d_read_float_le(FILE *f)
+{
+        union {
+                G3DFloat f;
+                guint8 u[4];
+        } u;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_read_bytes(f, u.u, 4);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_read_bytes_swap(f, u.u, 4);
+#endif
+        return u.f;
+}
+
+G3DDouble g3d_read_double_be(FILE *f)
+{
+        union {
+                G3DDouble d;
+                guint8 u[8];
+        } u;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_read_bytes_swap(f, u.u, 8);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_read_bytes(f, u.u, 8);
+#endif
+        return u.d;
+}
+
+G3DDouble g3d_read_double_le(FILE *f)
+{
+        union {
+                G3DDouble d;
+                guint8 u[8];
+        } u;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+        g3d_read_bytes(f, u.u, 8);
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+        g3d_read_bytes_swap(f, u.u, 8);
+#endif
+        return u.d;
+}
+
+gint32 g3d_read_cstr(FILE *f, gchar *buffer, gint32 max_len)
+{
+        gint32 n = 0;
+        gchar c;
+
+        do
+        {
+                c = g3d_read_int8(f);
+                buffer[n] = c;
+                n ++;
+        }
+        while((c != 0) && (n < max_len));
+
+        buffer[max_len - 1] = '\0';
+
+        return n;
+}