/*
 * Bael'Zharon's Respite
 * Copyright (C) 2014 Daniel Skorupski
 *
 * 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 2 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#include "resource/ImgTex.h"
#include "resource/ImgColor.h"
#include "BinReader.h"
#include "Core.h"
#include "ResourceCache.h"

ImgTex::ImgTex(uint32_t id,  const void* data, size_t size) : ResourceImpl{id}
{
    BinReader reader(data, size);

    uint32_t resourceId = reader.readInt();
    assert(resourceId == id);
    UNUSED(resourceId);

    uint32_t zero = reader.readInt();
    assert(zero == 0);
    UNUSED(zero);

    uint8_t two = reader.readByte();
    assert(two == 2);
    UNUSED(two);

    uint32_t numImgColors = reader.readInt();
    assert(numImgColors > 0);

    // This seems to be a list of textures by decreasing quality, as the first ones in the list are in highres.dat
    // We're just going to pick the first and roll with it

    uint32_t imgColorId = reader.readInt();
    imgColor = Core::get().resourceCache().get(imgColorId);
    assert(imgColor->resourceType() == ResourceType::kImgColor);

    for(uint32_t i = 1; i < numImgColors; i++)
    {
        reader.readInt();
    }

    assert(reader.remaining() == 0);
}

ImgTex::ImgTex(ResourcePtr imgColor) : ResourceImpl{static_cast<uint32_t>(ResourceType::kImgTex) | 0xFFFF}, imgColor{imgColor}
{
    assert(imgColor->resourceType() == ResourceType::kImgColor);
}