120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
#include "CFontLoader.h"
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#include <Core/Log.h>
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#include <iostream>
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CFontLoader::CFontLoader()
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{
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}
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CFont* CFontLoader::LoadFont(CInputStream& FONT)
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{
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// If I seek past a value without reading it, then it's because I don't know what it is
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mpFont->mUnknown = FONT.ReadLong();
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mpFont->mLineHeight = FONT.ReadLong();
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mpFont->mVerticalOffset = FONT.ReadLong();
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mpFont->mLineMargin = FONT.ReadLong();
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if (mVersion > ePrimeKioskDemo) FONT.Seek(0x4, SEEK_CUR);
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FONT.Seek(0x2, SEEK_CUR);
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mpFont->mDefaultSize = FONT.ReadLong();
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mpFont->mFontName = FONT.ReadString();
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if (mVersion <= eEchoes) mpFont->mpFontTexture = (CTexture*) gResCache.GetResource(FONT.ReadLong(), "TXTR");
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else mpFont->mpFontTexture = (CTexture*) gResCache.GetResource(FONT.ReadLongLong(), "TXTR");
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mpFont->mTextureToken = CToken(mpFont->mpFontTexture);
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mpFont->mTextureFormat = FONT.ReadLong();
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u32 NumGlyphs = FONT.ReadLong();
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mpFont->mGlyphs.reserve(NumGlyphs);
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for (u32 iGlyph = 0; iGlyph < NumGlyphs; iGlyph++)
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{
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CFont::SGlyph Glyph;
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Glyph.Character = FONT.ReadShort();
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float TexCoordL = FONT.ReadFloat();
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float TexCoordU = FONT.ReadFloat();
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float TexCoordR = FONT.ReadFloat();
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float TexCoordD = FONT.ReadFloat();
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Glyph.TexCoords[0] = CVector2f(TexCoordL, TexCoordU); // Upper-left
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Glyph.TexCoords[1] = CVector2f(TexCoordR, TexCoordU); // Upper-right
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Glyph.TexCoords[2] = CVector2f(TexCoordL, TexCoordD); // Lower-left
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Glyph.TexCoords[3] = CVector2f(TexCoordR, TexCoordD); // Lower-right
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if (mVersion <= ePrime)
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{
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Glyph.RGBAChannel = 0;
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Glyph.LeftPadding = FONT.ReadLong();
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Glyph.PrintAdvance = FONT.ReadLong();
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Glyph.RightPadding = FONT.ReadLong();
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Glyph.Width = FONT.ReadLong();
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Glyph.Height = FONT.ReadLong();
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Glyph.BaseOffset = FONT.ReadLong();
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Glyph.KerningIndex = FONT.ReadLong();
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}
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else if (mVersion >= eEchoes)
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{
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Glyph.RGBAChannel = FONT.ReadByte();
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Glyph.LeftPadding = FONT.ReadByte();
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Glyph.PrintAdvance = FONT.ReadByte();
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Glyph.RightPadding = FONT.ReadByte();
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Glyph.Width = FONT.ReadByte();
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Glyph.Height = FONT.ReadByte();
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Glyph.BaseOffset = FONT.ReadByte();
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Glyph.KerningIndex = FONT.ReadShort();
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}
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mpFont->mGlyphs[Glyph.Character] = Glyph;
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}
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u32 NumKerningPairs = FONT.ReadLong();
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mpFont->mKerningTable.reserve(NumKerningPairs);
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for (u32 iKern = 0; iKern < NumKerningPairs; iKern++)
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{
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CFont::SKerningPair Pair;
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Pair.CharacterA = FONT.ReadShort();
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Pair.CharacterB = FONT.ReadShort();
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Pair.Adjust = FONT.ReadLong();
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mpFont->mKerningTable.push_back(Pair);
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}
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return mpFont;
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}
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CFont* CFontLoader::LoadFONT(CInputStream& FONT)
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{
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if (!FONT.IsValid()) return nullptr;
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Log::Write("Loading " + FONT.GetSourceString());
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CFourCC Magic(FONT);
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if (Magic != "FONT")
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{
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Log::FileError(FONT.GetSourceString(), "Invalid FONT magic: " + StringUtil::ToHexString((u32) Magic.ToLong()));
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return nullptr;
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}
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u32 FileVersion = FONT.ReadLong();
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EGame Version = GetFormatVersion(FileVersion);
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if (Version == eUnknownVersion)
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{
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Log::FileError(FONT.GetSourceString(), "Unsupported FONT version: " + StringUtil::ToHexString(FileVersion));
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return nullptr;
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}
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CFontLoader Loader;
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Loader.mpFont = new CFont();
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Loader.mVersion = Version;
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return Loader.LoadFont(FONT);
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}
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EGame CFontLoader::GetFormatVersion(u32 Version)
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{
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switch (Version)
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{
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case 1: return ePrimeKioskDemo;
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case 2: return ePrime;
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case 4: return eEchoes;
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case 5: return eCorruption;
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default: return eUnknownVersion;
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}
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}
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