engine: Start using GOB2 to generate GObject classes.

[upkg.git] / src / engine / palette.gob

diff --git a/src/engine/palette.gob b/src/engine/palette.gob
new file mode 100644 (file)
index 0000000..4c15c71
--- /dev/null
+++ b/src/engine/palette.gob
@@ -0,0 +1,69 @@
+%alltop{
+/*
+ *  upkg: tool for manipulating Unreal Tournament packages.
+ *  Copyright © 2011 Nick Bowler
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+%}
+
+%{
+#include <stdio.h>
+#include <stdlib.h>
+%}
+
+%h{
+#include <uobject/uobject.h>
+
+/* Hack to work around broken type parsing in GOB2. */
+typedef unsigned char engine_palette_rgba[4];
+%}
+
+class Engine:Palette from U:Object (dynamic)
+{
+       public unsigned entries = 0;
+       public engine_palette_rgba *rgba = NULL;
+
+       override (U:Object) int deserialize(U:Object *uo)
+       {
+               struct upkg_file *f = uo->pkg_file;
+               Self *self = SELF(uo);
+               unsigned char buf[16];
+               size_t rc, buflen;
+               long entries;
+
+               PARENT_HANDLER(uo);
+
+               buflen = upkg_export_read(f, buf, sizeof buf);
+               rc = upkg_decode_index(&entries, buf, buflen);
+               if (rc == 0 || entries < 0)
+                       return -1;
+               self->entries = entries;
+
+               upkg_export_seek(f, rc, SEEK_SET);
+               buflen = entries * sizeof self->rgba[0];
+               self->rgba = malloc(buflen);
+               if (!self->rgba)
+                       return -1;
+
+               rc = upkg_export_read(f, self->rgba, buflen);
+               if (rc != buflen) {
+                       free(self->rgba);
+                       return -1;
+               }
+
+               printf("palette: %u entries\n", self->entries);
+               return 0;
+       }
+}