1 files changed, 175 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_ldraw/imp_ldraw_library.c b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_ldraw/imp_ldraw_library.c
new file mode 100644
index 0000000..aa07cdb
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_ldraw/imp_ldraw_library.c
@@ -0,0 +1,175 @@
+/* $Id$ */
+
+/*
+    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 <string.h>
+
+#include <g3d/object.h>
+
+#include "imp_ldraw_types.h"
+#include "imp_ldraw_part.h"
+#include "imp_ldraw_color.h"
+#include "imp_ldraw_misc.h"
+
+static gboolean ldraw_library_add_dir(LDrawLibrary *lib, const gchar *subdir)
+{
+        LDrawPart *part;
+        const gchar *filename;
+        gchar *partdir, *strup;
+        GDir *dir;
+        GError *error;
+        gboolean prefix = FALSE;
+
+        partdir = g_strdup_printf("%s%c%s", lib->libdir, G_DIR_SEPARATOR, subdir);
+        dir = g_dir_open(partdir, 0, &error);
+        if(dir == NULL) {
+                g_warning("LDraw: failed to open directory '%s': %s", partdir,
+                        error->message);
+                g_error_free(error);
+                g_free(partdir);
+                return FALSE;
+        }
+
+        if(path_sep(subdir))
+                prefix = TRUE;
+
+        filename = g_dir_read_name(dir);
+        while(filename) {
+                if(g_ascii_strcasecmp(filename + strlen(filename) - 4, ".dat") == 0) {
+#if DEBUG > 3
+                        g_debug("LDraw: Library: adding '%s'", filename);
+#endif
+                        part = g_new0(LDrawPart, 1);
+                        part->filename = g_strdup_printf("%s%c%s",
+                                partdir, G_DIR_SEPARATOR, filename);
+                        strup = g_ascii_strup(filename, -1);
+                        if(prefix)
+                                part->name = g_strdup_printf("%s%c%s",
+                                        path_sep(subdir) + 1,
+                                        G_DIR_SEPARATOR, strup);
+                        else
+                                part->name = g_strdup(strup);
+                        g_free(strup);
+                        g_hash_table_insert(lib->partdb, part->name, part);
+                        lib->partlist = g_slist_append(lib->partlist, part);
+                }
+                filename = g_dir_read_name(dir);
+        }
+        g_dir_close(dir);
+        g_free(partdir);
+
+        return TRUE;
+}
+
+LDrawLibrary *ldraw_library_init(void)
+{
+        LDrawLibrary *lib;
+        const gchar *lddir;
+
+        lib = g_new0(LDrawLibrary, 1);
+        lib->partdb = g_hash_table_new(g_str_hash, g_str_equal);
+
+        ldraw_color_init(lib);
+
+        lddir = g_getenv("LDRAWDIR");
+        if(lddir == NULL) /* warning is issued when trying to load a model */
+                return lib;
+
+        lib->libdir = g_strdup(lddir);
+
+        ldraw_library_add_dir(lib, "PARTS");
+        ldraw_library_add_dir(lib, "PARTS" G_DIR_SEPARATOR_S "S");
+        ldraw_library_add_dir(lib, "P");
+        ldraw_library_add_dir(lib, "P" G_DIR_SEPARATOR_S "48");
+
+        return lib;
+}
+
+void ldraw_library_cleanup(LDrawLibrary *lib)
+{
+        GSList *item;
+        LDrawPart *part;
+
+        item = lib->partlist;
+        while(item != NULL) {
+                part = item->data;
+                item = g_slist_remove(item, part);
+                ldraw_part_free(part);
+        }
+        g_hash_table_destroy(lib->partdb);
+        g_free(lib);
+}
+
+void ldraw_library_insert(LDrawLibrary *lib, gchar *name, gpointer data)
+{
+        g_hash_table_insert(lib->partdb, name, data);
+}
+
+G3DObject *ldraw_library_lookup(LDrawLibrary *lib, const gchar *name)
+{
+        LDrawPart *part;
+        gchar *strc;
+
+        part = g_hash_table_lookup(lib->partdb, name);
+        if(part == NULL) {
+                strc = g_ascii_strup(name, -1);
+                g_strdelimit(strc, "/\\", G_DIR_SEPARATOR);
+                part = g_hash_table_lookup(lib->partdb, strc);
+                g_free(strc);
+        }
+#if 0
+        if(part == NULL) {
+                strc = g_ascii_strdown(name, -1);
+                g_strdelimit(strc, "/\\", G_DIR_SEPARATOR);
+                part = g_hash_table_lookup(lib->partdb, strc);
+                g_free(strc);
+        }
+#endif
+        if(part == NULL) {
+                g_warning("LDraw: failed to find '%s' in library", name);
+                return NULL;
+        }
+        if(part->object == NULL) {
+                if(part->stream) {
+                        /* MPD loader has a custom stream */
+                        part->object = ldraw_part_get_object(part, lib);
+                } else if(part->filename) {
+                        /* try to load part from standard library */
+                        part->stream = g3d_stream_open_file(part->filename, "r");
+                        if(part->stream) {
+                                part->object = ldraw_part_get_object(part, lib);
+                                g3d_stream_close(part->stream);
+                                part->stream = NULL;
+                        } else {
+                                g_warning("LDraw: failed to open stream for '%s'",
+                                        part->filename);
+                        }
+                } else {
+                        g_warning("LDraw: don't know how to open part '%s'", part->name);
+                }
+
+                if(part->object == NULL) {
+                        g_warning("LDraw: failed to load part '%s'", part->name);
+                        return NULL;
+                }
+        }
+        return g3d_object_duplicate(part->object);
+}
+