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rodecomp/Source/Render/Text/FontCache.cpp
ragnarok-clanker 71afa48b43 Decompile 6 functions in Source/Render/Text/FontCache.cpp, Source/Render/Text/FontCache.h 
Batch #11530 by Yommy: 1 byte-identical, 5 confirmed by peer review.

- fn_29519 FontCache::~FontCache: logic confirmed by peer review
- fn_01947 FontEntry::CreateSystemFont: logic confirmed by peer review
- fn_01948 CreateEmbeddedFont: logic confirmed by peer review
- fn_01949 FontEntry::CreatePrivateFont: logic confirmed by peer review
- fn_01958 FontCache::Get: logic confirmed by peer review
- fn_01956 ?MatchFont@?A0x1012ca8c@@YGHPBUtagLOGFONTA@@PBUtagTEXTMETRICA@@KJ@Z: byte-identical (already on main)

Peer-reviewed-by: KWDev, Tanke, cremane
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
2026-11-05 03:20:49 +00:00

282 lines
9.8 KiB
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#include "Render/Text/FontCache.h"
#include <algorithm>
#include <atlconv.h>
#include <cstring>
#include <iterator>
#include <string>
#include <tuple>
namespace {
// STATIC: 0x01311F00
const char* const primary[] = {
"\xB1\xBC\xB8\xB2",
"Arial",
"\x82l\x82r \x82o\x83S\x83V\x83"
"b\x83N",
"\xCB\xCE\xCC\xE5",
"\xB2\xD3\xA9\xFA\xC5\xE9",
"Tahoma",
"Arial",
"Verdana",
"Verdana",
"Arial",
"Arial",
"Tahoma"
};
// STATIC: 0x01311ED0
const char* const fallback[] = {"Gulim", "Arial", "MS Gothic", "SimSun", "MingLiU", "Tahoma", "Arial", "Verdana", "Verdana", "Arial", "Arial", "Tahoma"};
// OFFSET: 0x0054F2C0
// FUNCTION: fn_01956
int CALLBACK MatchFont(const LOGFONTA* font, const TEXTMETRICA*, DWORD, LPARAM name) {
return _stricmp(reinterpret_cast<const char*>(name), font->lfFaceName);
}
}
// GLOBAL: gl_24541
FontCache g_fontCache;
// OFFSET: 0x0054D530
// FUNCTION: fn_01935
FontCache::FontCache() {
Gdiplus::GdiplusStartup(&this->m_gdiplus, &this->m_startup, nullptr);
}
// OFFSET: 0x0100F120
// FUNCTION: fn_29519
FontCache::~FontCache() {
for (const FontEntry& entry : this->m_fonts) {
DeleteObject(entry.font);
entry.RemovePrivateFont();
}
this->m_fonts.clear();
Gdiplus::GdiplusShutdown(this->m_gdiplus);
}
// OFFSET: 0x0054DC90
// FUNCTION: fn_01947
__declspec(noinline) void FontEntry::CreateSystemFont() {
LOGFONTA description = {};
description.lfCharSet = static_cast<BYTE>(this->charset);
const char* face;
if (EnumFontFamiliesExA(GetDC(nullptr), &description, MatchFont, reinterpret_cast<LPARAM>(primary[this->family]), 0) == 0) {
face = primary[this->family];
} else if (EnumFontFamiliesExA(GetDC(nullptr), &description, MatchFont, reinterpret_cast<LPARAM>(fallback[this->family]), 0) == 0) {
face = fallback[this->family];
} else {
face = nullptr;
}
this->font = CreateFontA(
this->height, 0, 0, 0, this->bold ? FW_BOLD : FW_NORMAL, this->italic != 0, 0, 0, this->charset, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
NONANTIALIASED_QUALITY, DEFAULT_PITCH | FF_DONTCARE, face
);
}
// OFFSET: 0x0054DD70
// FUNCTION: fn_01948
HFONT __stdcall CreateEmbeddedFont(int height, std::int16_t family) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
if (family == 20) {
std::strcpy(description.lfFaceName, "RixSquirrel_10.eot");
} else if (family == 21) {
std::strcpy(description.lfFaceName, "RixLoveangel_10.eot");
} else if (family == 22) {
std::strcpy(description.lfFaceName, "RixNHCgogo_10.eot");
} else if (family == 23) {
std::strcpy(description.lfFaceName, "RixDiary_10.eot");
} else if (family == 24) {
std::strcpy(description.lfFaceName, "RixMiniHeart_10.eot");
} else if (family == 25) {
std::strcpy(description.lfFaceName, "RixFreshman_10.eot");
} else if (family == 26) {
std::strcpy(description.lfFaceName, "RixKid_10.eot");
} else if (family == 27) {
std::strcpy(description.lfFaceName, "RixMagic_10.eot");
} else if (family == 28) {
std::strcpy(description.lfFaceName, "RixJJangu_10.eot");
} else {
std::strcpy(description.lfFaceName, "RixNHCgogo_10.eot");
}
description.lfHeight = -MulDiv(13, 72, 72);
return CreateFontIndirectA(&description);
}
// OFFSET: 0x0054DEE0
// FUNCTION: fn_01949
__declspec(noinline) bool FontEntry::CreatePrivateFont() {
std::string path;
if (this->family == 29) {
if (this->bold == 1) {
path = "system\\font\\SCDream6.otf";
} else {
path = "system\\font\\SCDream4.otf";
}
}
this->privateResources = AddFontResourceExA(path.c_str(), FR_PRIVATE, nullptr);
if (this->privateResources != 0) {
LOGFONTA description = {};
description.lfHeight = -MulDiv(this->height, 72, 72);
description.lfWeight = this->bold ? FW_BOLD : FW_NORMAL;
description.lfItalic = this->italic != 0;
description.lfCharSet = static_cast<BYTE>(this->charset);
strncpy_s(description.lfFaceName, PrivateFontFamilyName(path).c_str(), _TRUNCATE);
this->font = CreateFontIndirectA(&description);
}
return this->privateResources > 0;
}
// OFFSET: 0x0054E140
// FUNCTION: fn_01950
void FontEntry::RemovePrivateFont() const {
if (this->privateResources > 0 && this->family == 29) {
const std::string path = this->bold == 1 ? std::string("system\\font\\SCDream6.otf") : std::string("system\\font\\SCDream4.otf");
RemoveFontResourceExA(path.c_str(), FR_PRIVATE, nullptr);
}
}
// OFFSET: 0x0054F360
// FUNCTION: fn_01958
HFONT FontCache::Get(int family, int height, unsigned charset, unsigned char bold, unsigned char italic) {
FontEntry entry{family, height, charset, bold, italic, nullptr, 0};
const auto found = std::find_if(this->m_fonts.begin(), this->m_fonts.end(), [&entry](const FontEntry& font) {
return font.family == entry.family && font.height == entry.height && font.charset == entry.charset && font.bold == entry.bold &&
font.italic == entry.italic;
});
if (found != this->m_fonts.end()) {
return found->font;
}
if (family == 20) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixSquirrel_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 21) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixLoveangel_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 22) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixNHCgogo_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 23) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixDiary_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 24) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixMiniHeart_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 25) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixFreshman_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 26) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixKid_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 27) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixMagic_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family == 28) {
LOGFONTA description = {};
description.lfWeight = FW_NORMAL;
description.lfCharSet = DEFAULT_CHARSET;
description.lfOutPrecision = OUT_RASTER_PRECIS;
description.lfQuality = PROOF_QUALITY;
std::strcpy(description.lfFaceName, "RixJJangu_10.eot");
description.lfHeight = -MulDiv(13, 72, 72);
entry.font = CreateFontIndirectA(&description);
} else if (family != 29 || !entry.CreatePrivateFont()) {
entry.CreateSystemFont();
}
this->m_fonts.push_back(entry);
std::sort(this->m_fonts.begin(), this->m_fonts.end(), [](const FontEntry& a, const FontEntry& b) {
return std::tie(a.family, a.height, a.charset) < std::tie(b.family, b.height, b.charset);
});
return entry.font;
}
// OFFSET: 0x0054F830
// FUNCTION: fn_01959
int FallbackFontIndex(const std::string& name) {
const char* const* entry = std::begin(fallback);
for (; entry != std::end(fallback); ++entry) {
if (name == *entry) {
break;
}
}
return entry == std::end(fallback) ? 0 : static_cast<int>(entry - std::begin(fallback));
}
// OFFSET: 0x0054F8A0
// FUNCTION: fn_01960
std::string __stdcall PrivateFontFamilyName(const std::string& path) {
std::wstring wide;
wide.assign(path.begin(), path.end());
Gdiplus::PrivateFontCollection collection;
collection.AddFontFile(wide.c_str());
Gdiplus::FontFamily family;
int found = 0;
collection.GetFamilies(1, &family, &found);
WCHAR name[LF_FACESIZE];
std::memset(name, 0, sizeof(name));
family.GetFamilyName(name, 0);
return std::string(ATL::CW2A(name, CP_THREAD_ACP));
}
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