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/* $Id$ */
/*
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 "imp_skp.h"
#include "imp_skp_read.h"
guint32 skp_read_xint16(G3DStream *stream)
{
guint32 val;
val = g3d_stream_read_int16_le(stream);
if(val & 0x8000L) {
val &= 0x7FFF;
val |= (g3d_stream_read_int16_le(stream) << 16);
}
return val;
}
gchar *skp_read_char(G3DStream *stream)
{
guint32 magic, n;
gchar *text;
magic = g3d_stream_read_int32_be(stream);
if(magic != 0xffff0000) {
g_warning("SKP: wrong text magic: 0x%08x", magic);
return NULL;
}
n = g3d_stream_read_int16_le(stream);
text = g_new0(gchar, n + 1);
g3d_stream_read(stream, text, n);
return text;
}
gchar *skp_read_wchar(G3DStream *stream)
{
gint32 i;
guint32 magic, n;
gunichar2 *u16text;
gchar *text;
GError *error = NULL;
magic = g3d_stream_read_int32_be(stream);
if((magic & 0xFFFFFF00) != 0xfffeff00) {
#if DEBUG > 1
g_debug("SKP: wrong UTF-16 magic: 0x%08x", magic);
#endif
g3d_stream_seek(stream, -4, G_SEEK_CUR);
return NULL;
}
n = magic & 0x000000FF;
u16text = g_new0(gunichar2, n + 1);
for(i = 0; i < n; i ++) {
u16text[i] = g3d_stream_read_int16_le(stream);
}
text = g_utf16_to_utf8(u16text, n, NULL, NULL, &error);
if(error != NULL) {
g_warning("UTF-16 to UTF-8 conversion failed: %s",
error->message);
g_error_free(error);
}
g_free(u16text);
return text;
}
gboolean skp_read_dbl3(G3DStream *stream,
gdouble *d1, gdouble *d2, gdouble *d3)
{
*d1 = g3d_stream_read_double_le(stream);
*d2 = g3d_stream_read_double_le(stream);
*d3 = g3d_stream_read_double_le(stream);
return TRUE;
}
gboolean skp_read_10b(G3DStream *stream)
{
guint32 x1, x2;
guint8 u1, u2;
x1 = g3d_stream_read_int32_be(stream);
u1 = g3d_stream_read_int8(stream);
if(((x1 & 0x00FFFFFF) != 0x0001) || (u1 != 0x01)) {
g_warning("skp_read_10b: %#08x, %#02x", x1, u1);
}
u2 = g3d_stream_read_int8(stream);
x2 = g3d_stream_read_int32_le(stream);
g_debug("\tread 10b: %08x %02x %02x %08x", x1, u1, u2, x2);
return TRUE;
}
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