/*
 *  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>

#include "palette.h"
#include "upkg.h"

G_DEFINE_DYNAMIC_TYPE(EnginePalette, engine_palette, U_OBJECT_TYPE);

static int deserialize(UObject *uo)
{
	EnginePalette *p = ENGINE_PALETTE(uo);
	struct upkg_file *f = uo->pkg_file;
	unsigned char buf[16];
	size_t rc, buflen;
	long entries;

	U_OBJECT_CLASS(engine_palette_parent_class)->deserialize(uo);

	buflen = upkg_export_read(f, buf, sizeof buf);
	rc = upkg_decode_index(&entries, buf, buflen);
	if (rc == 0 || entries < 0)
		return -1;

	upkg_export_seek(f, rc, SEEK_SET);

	p->entries = entries;
	p->rgba = malloc(entries * sizeof p->rgba[0]);
	if (!p->rgba)
		return -1;

	rc = upkg_export_read(f, p->rgba, entries * sizeof p->rgba[0]);
	if (rc != entries * sizeof p->rgba[0]) {
		free(p->rgba);
		return -1;
	}

	printf("palette opened\n");
	return 0;
}

void palette_register(GTypeModule *m)
{
	engine_palette_register_type(m);
}

static void engine_palette_init(EnginePalette *p)
{
	p->entries = 0;
}

static void engine_palette_class_init(EnginePaletteClass *class)
{
	UObjectClass *uo = U_OBJECT_CLASS(class);

	uo->deserialize = deserialize;
}

static void engine_palette_class_finalize(EnginePaletteClass *class)
{
}