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// Copyright (C) 2003 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include <stdio.h>
#include "Common.h"
#include "ColorUtil.h"
#include "BannerLoaderWii.h"
#include "VolumeCreator.h"
#include "FileUtil.h"
#include "FileHandlerARC.h"
namespace DiscIO
{
CBannerLoaderWii::CBannerLoaderWii(DiscIO::IVolume *pVolume)
: m_pBannerFile(NULL)
, m_IsValid(false)
{
char Filename[260];
u64 TitleID;
pVolume->GetTitleID((u8*)&TitleID);
TitleID = Common::swap64(TitleID);
sprintf(Filename, "%stitle/%08x/%08x/data/banner.bin",
File::GetUserPath(D_WIIUSER_IDX).c_str(), (u32)(TitleID>>32), (u32)TitleID);
if (!File::Exists(Filename))
{
// TODO(XK): Finish the 'commented' code. Turns out the banner.bin
// from the savefiles is very different from the banner.bin
// inside opening.bnr
#if 0
char bnrFilename[260], titleFolder[260];
// Creating title folder
sprintf(titleFolder, "%stitle/%08x/%08x/data/",
File::GetUserPath(D_WIIUSER_IDX).c_str(), (u32)(TitleID>>32), (u32)TitleID);
if(!File::Exists(titleFolder))
File::CreateFullPath(titleFolder);
// Extracting banner.bin from opening.bnr
sprintf(bnrFilename, "%stitle/%08x/%08x/data/opening.bnr",
File::GetUserPath(D_WIIUSER_IDX).c_str(), (u32)(TitleID>>32), (u32)TitleID);
if(!_rFileSystem.ExportFile("opening.bnr", bnrFilename)) {
m_IsValid = false;
return;
}
CARCFile bnrArc (bnrFilename, 0x600);
if(!bnrArc.ExportFile("meta/banner.bin", Filename)) {
m_IsValid = false;
return;
}
// Now we have an LZ77-compressed file with a short IMD5 header
// TODO: Finish the job
File::Delete(bnrFilename);
#else
m_IsValid = false;
return;
#endif
}
// load the banner.bin
size_t FileSize = (size_t) File::GetSize(Filename);
if (FileSize > 0)
{
m_pBannerFile = new u8[FileSize];
File::IOFile pFile(Filename, "rb");
if (pFile)
{
pFile.ReadBytes(m_pBannerFile, FileSize);
m_IsValid = true;
}
}
}
CBannerLoaderWii::~CBannerLoaderWii()
{
if (m_pBannerFile)
{
delete [] m_pBannerFile;
m_pBannerFile = NULL;
}
}
bool CBannerLoaderWii::IsValid()
{
return m_IsValid;
}
static inline u32 Average32(u32 a, u32 b) {
return ((a >> 1) & 0x7f7f7f7f) + ((b >> 1) & 0x7f7f7f7f);
}
static inline u32 GetPixel(u32 *buffer, unsigned int x, unsigned int y) {
// thanks to unsignedness, these also check for <0 automatically.
if (x > 191) return 0;
if (y > 63) return 0;
return buffer[y * 192 + x];
}
bool CBannerLoaderWii::GetBanner(u32* _pBannerImage)
{
if (IsValid())
{
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
u32* Buffer = new u32[192 * 64];
decode5A3image(Buffer, (u16*)pBanner->m_BannerTexture, 192, 64);
for (int y = 0; y < 32; y++)
{
for (int x = 0; x < 96; x++)
{
// simplified plus-shaped "gaussian"
u32 surround = Average32(
Average32(GetPixel(Buffer, x*2 - 1, y*2), GetPixel(Buffer, x*2 + 1, y*2)),
Average32(GetPixel(Buffer, x*2, y*2 - 1), GetPixel(Buffer, x*2, y*2 + 1)));
_pBannerImage[y * 96 + x] = Average32(GetPixel(Buffer, x*2, y*2), surround);
}
}
delete[] Buffer;
}
return true;
}
bool CBannerLoaderWii::GetName(std::string* _rName)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::string name;
if (CopyBeUnicodeToString(name, pBanner->m_Comment[0], WII_BANNER_COMMENT_SIZE))
{
for (int i = 0; i < 6; i++)
{
_rName[i] = name;
}
return true;
}
}
return false;
}
bool CBannerLoaderWii::GetCompany(std::string& _rCompany)
{
_rCompany = "N/A";
return true;
}
bool CBannerLoaderWii::GetDescription(std::string* _rDescription)
{
if (IsValid())
{
// find Banner type
SWiiBanner* pBanner = (SWiiBanner*)m_pBannerFile;
std::string description;
if (CopyBeUnicodeToString(description, pBanner->m_Comment[1], WII_BANNER_COMMENT_SIZE))
{
for (int i = 0; i< 6; i++)
{
_rDescription[i] = description;
}
return true;
}
}
return false;
}
void CBannerLoaderWii::decode5A3image(u32* dst, u16* src, int width, int height)
{
for (int y = 0; y < height; y += 4)
{
for (int x = 0; x < width; x += 4)
{
for (int iy = 0; iy < 4; iy++, src += 4)
{
for (int ix = 0; ix < 4; ix++)
{
u32 RGBA = ColorUtil::Decode5A3(Common::swap16(src[ix]));
dst[(y + iy) * width + (x + ix)] = RGBA;
}
}
}
}
}
} // namespace
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