nw4r ut almost matching

12 files changed, 1905 insertions, 3 deletions

diff --git a/src/egg/core/eggAsyncDisplay.cpp b/src/egg/core/eggAsyncDisplay.cpp
index 0901271f..d2b4bf81 100644
--- a/src/egg/core/eggAsyncDisplay.cpp
+++ b/src/egg/core/eggAsyncDisplay.cpp
@@ -196,9 +196,9 @@ void AsyncDisplay::clearEFB(u16 fbWidth, u16 fbHeight, u16 x, u16 y, u16 width,
     GXSetTevColor(GX_TEVREG0, color);
     GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
     GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_C0);
-    GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_TEV_SCALE_0, 1, GX_TEVPREV);
+    GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
     GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_ZERO, GX_CA_ZERO, GX_CA_A0);
-    GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_TEV_SCALE_0, 1, GX_TEVPREV);
+    GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, 1, GX_TEVPREV);
     GXSetAlphaCompare(GX_ALWAYS, 0, GX_AOP_OR, GX_ALWAYS, 0);
     GXSetZTexture(2, GX_TF_Z24X8, 0);
     GXSetZCompLoc(false);
diff --git a/src/nw4r/ut/ut_CharWriter.cpp b/src/nw4r/ut/ut_CharWriter.cpp
index e69de29b..1281dc01 100644
--- a/src/nw4r/ut/ut_CharWriter.cpp
+++ b/src/nw4r/ut/ut_CharWriter.cpp
@@ -0,0 +1,260 @@
+
+#include <nw4r/ut.h>
+
+namespace {
+
+static void SetupGXCommon() {
+    static const nw4r::ut::Color fog = 0;
+
+    GXSetFog(GX_FOG_NONE, fog, 0.0f, 0.0f, 0.0f, 0.0f);
+    GXSetTevSwapModeTable(GX_TEV_SWAP0, GX_CH_RED, GX_CH_GREEN, GX_CH_BLUE, GX_CH_ALPHA);
+    GXSetZTexture(GX_ZT_DISABLE, GX_TF_Z8, 0);
+    GXSetNumChans(1);
+    GXSetChanCtrl(GX_COLOR0A0, FALSE, GX_SRC_REG, GX_SRC_VTX, GX_LIGHT_NULL, GX_DF_NONE, GX_AF_NONE);
+    GXSetChanCtrl(GX_COLOR1A1, FALSE, GX_SRC_REG, GX_SRC_REG, GX_LIGHT_NULL, GX_DF_NONE, GX_AF_NONE);
+    GXSetNumTexGens(1);
+    GXSetTexCoordGen2(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_TEXMTX_IDENT, FALSE, GX_DUALMTX_IDENT);
+    GXSetNumIndStages(0);
+    GXSetBlendMode(GX_BM_BLEND, GX_BL_SRCALPHA, GX_BL_INVSRCALPHA, GX_LO_SET);
+}
+
+} // namespace
+
+namespace nw4r {
+namespace ut {
+
+CharWriter::CharWriter() : mAlpha(255), mIsWidthFixed(false), mFixedWidth(0.0f), mFont(NULL) {
+    mLoadingTexture.Reset();
+    ResetColorMapping();
+    SetGradationMode(GRADMODE_NONE);
+    SetTextColor(Color(0xFFFFFFFF));
+    SetScale(1.0f, 1.0f);
+    SetCursor(0.0f, 0.0f, 0.0f);
+    EnableLinearFilter(true, true);
+}
+
+CharWriter::~CharWriter() {}
+
+void CharWriter::SetupGX() {
+    ResetTextureCache();
+
+    if (mColorMapping.min != 0x00000000 || mColorMapping.max != 0xFFFFFFFF) {
+        SetupGXWithColorMapping(mColorMapping.min, mColorMapping.max);
+    } else if (mFont != NULL) {
+        switch (mFont->GetTextureFormat()) {
+        case GX_TF_I4:
+        case GX_TF_I8:
+            SetupGXForI();
+            break;
+        case GX_TF_IA4:
+        case GX_TF_IA8:
+            SetupGXDefault();
+            break;
+        case GX_TF_RGB565:
+        case GX_TF_RGB5A3:
+        case GX_TF_RGBA8:
+            SetupGXForRGBA();
+            break;
+        default:
+            SetupGXDefault();
+            break;
+        }
+    } else {
+        SetupGXDefault();
+    }
+}
+
+void CharWriter::SetFontSize(f32 width, f32 height) {
+    SetScale(width / mFont->GetWidth(), height / mFont->GetHeight());
+}
+
+void CharWriter::SetFontSize(f32 height) {
+    f32 scale = height / mFont->GetHeight();
+    SetScale(scale, scale);
+}
+
+f32 CharWriter::GetFontWidth() const {
+    return mScale.x * mFont->GetWidth();
+}
+
+f32 CharWriter::GetFontHeight() const {
+    return mScale.y * mFont->GetHeight();
+}
+
+f32 CharWriter::GetFontAscent() const {
+    return mScale.y * mFont->GetAscent();
+}
+
+f32 CharWriter::GetFontDescent() const {
+    return mScale.y * mFont->GetDescent();
+}
+
+void CharWriter::EnableLinearFilter(bool atSmall, bool atLarge) {
+    mFilter.atSmall = atSmall ? GX_LINEAR : GX_NEAR;
+    mFilter.atLarge = atLarge ? GX_LINEAR : GX_NEAR;
+}
+
+f32 CharWriter::Print(u16 ch) {
+    f32 width;
+    f32 left;
+
+    Glyph glyph;
+    mFont->GetGlyph(&glyph, ch);
+
+    if (mIsWidthFixed) {
+        width = mFixedWidth;
+        left = (width - glyph.widths.charWidth * mScale.x) / 2 + (glyph.widths.leftSpacing * mScale.x);
+    } else {
+        width = glyph.widths.charWidth * mScale.x;
+        left = glyph.widths.leftSpacing * mScale.x;
+    }
+
+    PrintGlyph(mCursorPos.x + left, mCursorPos.y, mCursorPos.z, glyph);
+    mCursorPos.x += width;
+
+    return width;
+}
+
+void CharWriter::PrintGlyph(f32 x, f32 y, f32 z, const Glyph &glyph) {
+    f32 x2 = x + (glyph.widths.glyphWidth * mScale.x);
+    f32 y2 = y + (glyph.height * mScale.y);
+
+    u32 posLeft = glyph.cellX;
+    u16 texLeft = 0x8000 * posLeft / glyph.texWidth;
+
+    u32 posTop = glyph.cellY;
+    u16 texTop = 0x8000 * posTop / glyph.texHeight;
+
+    u32 posRight = posLeft + glyph.widths.glyphWidth;
+    u16 texRight = 0x8000 * posRight / glyph.texWidth;
+
+    u32 posBottom = posTop + glyph.height;
+    u16 texBottom = 0x8000 * posBottom / glyph.texHeight;
+
+    LoadTexture(glyph, GX_TEXMAP0);
+
+    GXBegin(GX_QUADS, GX_VTXFMT0, 4);
+    {
+        GXPosition3f32(x, y, z);
+        GXColor1u32(mVertexColor.tl);
+        GXTexCoord2s16(texLeft, texTop);
+
+        GXPosition3f32(x2, y, z);
+        GXColor1u32(mVertexColor.tr);
+        GXTexCoord2s16(texRight, texTop);
+
+        GXPosition3f32(x2, y2, z);
+        GXColor1u32(mVertexColor.br);
+        GXTexCoord2s16(texRight, texBottom);
+
+        GXPosition3f32(x, y2, z);
+        GXColor1u32(mVertexColor.bl);
+        GXTexCoord2s16(texLeft, texBottom);
+    }
+    // GXEnd();
+}
+
+void CharWriter::LoadTexture(const Glyph &glyph, GXTexMapID slot) {
+    LoadingTexture loadingTexture;
+
+    loadingTexture.slot = slot;
+    loadingTexture.texture = glyph.texture;
+    loadingTexture.filter = mFilter;
+
+    if (loadingTexture != mLoadingTexture) {
+        GXTexObj texObj;
+        GXInitTexObj(&texObj, glyph.texture, glyph.texWidth, glyph.texHeight, glyph.format, GX_CLAMP, GX_CLAMP, FALSE);
+        GXInitTexObjLOD(&texObj, mFilter.atSmall, mFilter.atLarge, 0.0f, 0.0f, 0.0f, FALSE, FALSE, GX_ANISO_1);
+        GXLoadTexObj(&texObj, slot);
+
+        mLoadingTexture = loadingTexture;
+    }
+}
+
+void CharWriter::UpdateVertexColor() {
+    // clang-format off
+    mVertexColor.tl = mTextColor.start;
+    mVertexColor.tr = mTextColor.gradMode != GRADMODE_H    ? mTextColor.start : mTextColor.end;
+    mVertexColor.bl = mTextColor.gradMode != GRADMODE_V    ? mTextColor.start : mTextColor.end;
+    mVertexColor.br = mTextColor.gradMode == GRADMODE_NONE ? mTextColor.start : mTextColor.end;
+    // clang-format on
+
+    mVertexColor.tl.a = (mVertexColor.tl.a * mAlpha) / 255, mVertexColor.tr.a = (mVertexColor.tr.a * mAlpha) / 255;
+    mVertexColor.bl.a = (mVertexColor.bl.a * mAlpha) / 255;
+    mVertexColor.br.a = (mVertexColor.br.a * mAlpha) / 255;
+}
+
+void CharWriter::SetupVertexFormat() {
+    GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XYZ, GX_F32, 0);
+    GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_CLR0, GX_CLR_RGBA, GX_RGBA8, 0);
+    GXSetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_U16, 15);
+
+    GXClearVtxDesc();
+    GXSetVtxDesc(GX_VA_POS, GX_DIRECT);
+    GXSetVtxDesc(GX_VA_CLR0, GX_DIRECT);
+    GXSetVtxDesc(GX_VA_TEX0, GX_DIRECT);
+}
+
+void CharWriter::SetupGXDefault() {
+    SetupGXCommon();
+
+    GXSetNumTevStages(1);
+    GXSetTevDirect(GX_TEVSTAGE0);
+    GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
+    GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
+    GXSetTevOp(GX_TEVSTAGE0, GX_MODULATE);
+
+    SetupVertexFormat();
+}
+
+void CharWriter::SetupGXWithColorMapping(Color min, Color max) {
+    SetupGXCommon();
+
+    GXSetNumTevStages(2);
+    GXSetTevDirect(GX_TEVSTAGE0);
+    GXSetTevDirect(GX_TEVSTAGE1);
+
+    GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
+    GXSetTevSwapMode(GX_TEVSTAGE1, GX_TEV_SWAP0, GX_TEV_SWAP0);
+    GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR_NULL);
+
+    GXSetTevColor(GX_TEVREG0, min);
+    GXSetTevColor(GX_TEVREG1, max);
+
+    GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_C0, GX_CC_C1, GX_CC_TEXC, GX_CC_ZERO);
+    GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_A0, GX_CA_A1, GX_CA_TEXA, GX_CA_ZERO);
+    GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+    GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+
+    GXSetTevOrder(GX_TEVSTAGE1, GX_TEXCOORD_NULL, GX_TEXMAP_NULL, GX_COLOR0A0);
+    GXSetTevColorIn(GX_TEVSTAGE1, GX_CC_ZERO, GX_CC_CPREV, GX_CC_RASC, GX_CC_ZERO);
+    GXSetTevAlphaIn(GX_TEVSTAGE1, GX_CA_ZERO, GX_CA_APREV, GX_CA_RASA, GX_CA_ZERO);
+    GXSetTevColorOp(GX_TEVSTAGE1, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+    GXSetTevAlphaOp(GX_TEVSTAGE1, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+
+    SetupVertexFormat();
+}
+
+void CharWriter::SetupGXForI() {
+    SetupGXCommon();
+
+    GXSetNumTevStages(1);
+    GXSetTevDirect(GX_TEVSTAGE0);
+    GXSetTevSwapMode(GX_TEVSTAGE0, GX_TEV_SWAP0, GX_TEV_SWAP0);
+    GXSetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
+    GXSetTevColorIn(GX_TEVSTAGE0, GX_CC_ZERO, GX_CC_ZERO, GX_CC_ZERO, GX_CC_RASC);
+    GXSetTevAlphaIn(GX_TEVSTAGE0, GX_CA_ZERO, GX_CA_TEXA, GX_CA_RASA, GX_CA_ZERO);
+    GXSetTevColorOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+    GXSetTevAlphaOp(GX_TEVSTAGE0, GX_TEV_ADD, GX_TB_ZERO, GX_CS_SCALE_1, TRUE, GX_TEVPREV);
+
+    SetupVertexFormat();
+}
+
+void CharWriter::SetupGXForRGBA() {
+    SetupGXDefault();
+}
+
+CharWriter::LoadingTexture CharWriter::mLoadingTexture;
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_DvdFileStream.cpp b/src/nw4r/ut/ut_DvdFileStream.cpp
index e69de29b..317bbc40 100644
--- a/src/nw4r/ut/ut_DvdFileStream.cpp
+++ b/src/nw4r/ut/ut_DvdFileStream.cpp
@@ -0,0 +1,180 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+NW4R_UT_RTTI_DEF_DERIVED(DvdFileStream, FileStream);
+
+void DvdFileStream::DvdAsyncCallback_(long result, DVDFileInfo *info) {
+    DvdFileStream *self = reinterpret_cast<AsyncContext *>(info)->stream;
+
+    self->mIsBusy = false;
+    self->mResult = result;
+
+    if (self->mCallback != NULL) {
+        self->mCallback(result, self, self->mCallbackArg);
+    }
+}
+
+void DvdFileStream::DvdCBAsyncCallback_(long result, DVDCommandBlock *block) {
+    DvdFileStream *self = reinterpret_cast<AsyncContext *>(block)->stream;
+
+    self->mIsCancelling = false;
+
+    if (self->mCancelCallback != NULL) {
+        self->mCancelCallback(result, self, self->mCancelCallbackArg);
+    }
+}
+
+void DvdFileStream::Initialize_() {
+    mCloseOnDestroy = false;
+    mAllowClose = false;
+    mIsOpen = false;
+    mPriority = DVD_PRIO_MEDIUM;
+    mIsBusy = false;
+    mCallback = NULL;
+    mCallbackArg = NULL;
+    mResult = DVD_RESULT_OK;
+    mCancelCallback = NULL;
+    mIsCancelling = false;
+    mCancelCallbackArg = NULL;
+    mAsyncContext.stream = this;
+}
+
+DvdFileStream::DvdFileStream(long entrynum) {
+    Initialize_();
+    Open(entrynum);
+}
+
+DvdFileStream::DvdFileStream(const DVDFileInfo *info, bool close) {
+    Initialize_();
+    Open(info, close);
+}
+
+DvdFileStream::~DvdFileStream() {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+}
+
+bool DvdFileStream::Open(s32 entrynum) {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+
+    if (DVDFastOpen(entrynum, &mAsyncContext.info)) {
+        mFilePosition.SetFileSize(mAsyncContext.info.size);
+        mFilePosition.Seek(0, SEEK_BEG);
+
+        mCloseOnDestroy = true;
+        mAllowClose = true;
+        mIsOpen = true;
+
+        return true;
+    }
+
+    return false;
+}
+
+bool DvdFileStream::Open(const DVDFileInfo *info, bool close) {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+
+    mAsyncContext.info = *info;
+    mFilePosition.SetFileSize(mAsyncContext.info.size);
+    mFilePosition.Seek(0, SEEK_BEG);
+
+    mCloseOnDestroy = false;
+    mAllowClose = close;
+    mIsOpen = true;
+
+    return true;
+}
+
+void DvdFileStream::Close() {
+    if (mAllowClose && mIsOpen) {
+        DVDClose(&mAsyncContext.info);
+        mIsOpen = false;
+    }
+}
+
+long DvdFileStream::Read(void *dst, unsigned long size) {
+    size = AdjustReadLength_(size);
+
+    long result = DVDReadPrio(&mAsyncContext.info, dst, size, mFilePosition.Tell(), mPriority);
+
+    if (result > 0) {
+        mFilePosition.Skip(result);
+    }
+
+    return result;
+}
+
+bool DvdFileStream::ReadAsync(void *dst, unsigned long size, AsyncCallback callback, void *arg) {
+    size = AdjustReadLength_(size);
+
+    bool success = DvdFileStream::PeekAsync(dst, size, callback, arg);
+
+    if (success) {
+        mFilePosition.Skip(size);
+    } else {
+        mIsBusy = false;
+    }
+
+    return success;
+}
+
+long DvdFileStream::Peek(void *dst, unsigned long size) {
+    size = AdjustReadLength_(size);
+
+    return DVDReadPrio(&mAsyncContext.info, dst, size, mFilePosition.Tell(), mPriority);
+}
+
+bool DvdFileStream::PeekAsync(void *dst, unsigned long size, AsyncCallback callback, void *arg) {
+    mCallback = callback;
+    mCallbackArg = arg;
+    mIsBusy = true;
+
+    size = AdjustReadLength_(size);
+
+    return DVDReadAsyncPrio(&mAsyncContext.info, dst, size, mFilePosition.Tell(), DvdAsyncCallback_, mPriority);
+}
+
+void DvdFileStream::Seek(long offset, unsigned long origin) {
+    mFilePosition.Seek(offset, origin);
+}
+
+void DvdFileStream::Cancel() {
+    DVDCancel(&mAsyncContext.info.block);
+}
+
+bool DvdFileStream::CancelAsync(AsyncCallback callback, void *arg) {
+    mCancelCallback = callback;
+    mCancelCallbackArg = arg;
+
+    BOOL success = DVDCancelAsync(&mAsyncContext.info.block, DvdCBAsyncCallback_);
+
+    if (success) {
+        mIsCancelling = true;
+    }
+
+    return success;
+}
+
+unsigned long DvdFileStream::AdjustReadLength_(unsigned long len) {
+    u32 fileOffset = mFilePosition.Tell();
+    u32 fileSize = mFilePosition.GetFileSize();
+
+    u32 alignSize = RoundUp(fileSize, 32);
+    u32 alignPos = RoundUp(fileOffset + len, 32);
+
+    if (alignPos > alignSize) {
+        len = RoundUp(fileSize - fileOffset, 32);
+    }
+
+    return len;
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_DvdLockedFileStream.cpp b/src/nw4r/ut/ut_DvdLockedFileStream.cpp
index e69de29b..eb18ac54 100644
--- a/src/nw4r/ut/ut_DvdLockedFileStream.cpp
+++ b/src/nw4r/ut/ut_DvdLockedFileStream.cpp
@@ -0,0 +1,93 @@
+#include <RVL/OS.h>
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+NW4R_UT_RTTI_DEF_DERIVED(DvdLockedFileStream, DvdFileStream);
+
+OSThreadQueue DvdLockedFileStream::sThreadQueue;
+OSMutex DvdLockedFileStream::sMutex;
+bool DvdLockedFileStream::sInitialized = false;
+
+void DvdLockedFileStream::InitMutex_() {
+    BOOL enabled = OSDisableInterrupts();
+
+    if (!sInitialized) {
+        OSInitMutex(&sMutex);
+        OSInitThreadQueue(&sThreadQueue);
+        sInitialized = true;
+    }
+
+    OSRestoreInterrupts(enabled);
+}
+
+DvdLockedFileStream::DvdLockedFileStream(long entrynum) : DvdFileStream(entrynum) {
+    mCancelFlag = false;
+    InitMutex_();
+}
+
+DvdLockedFileStream::DvdLockedFileStream(const DVDFileInfo *info, bool close) : DvdFileStream(info, close) {
+    mCancelFlag = false;
+    InitMutex_();
+}
+
+DvdLockedFileStream::~DvdLockedFileStream() {}
+
+void DvdLockedFileStream::Close() {
+    DvdFileStream::Close();
+    mCancelFlag = false;
+}
+
+long DvdLockedFileStream::Read(void *dst, unsigned long size) {
+    if (!LockMutex()) {
+        return DVD_RESULT_CANCELED;
+    }
+    long ret = DvdFileStream::Read(dst, size);
+    UnlockMutex();
+    return ret;
+}
+
+long DvdLockedFileStream::Peek(void *dst, unsigned long size) {
+    if (!LockMutex()) {
+        return DVD_RESULT_CANCELED;
+    }
+    long ret = DvdFileStream::Peek(dst, size);
+    UnlockMutex();
+    return ret;
+}
+
+void DvdLockedFileStream::Cancel() {
+    CancelMutex();
+    DvdFileStream::Cancel();
+}
+
+bool DvdLockedFileStream::LockMutex() {
+    BOOL enabled = OSDisableInterrupts();
+    while (!OSTryLockMutex(&sMutex)) {
+        OSSleepThread(&sThreadQueue);
+        if (mCancelFlag) {
+            OSRestoreInterrupts(enabled);
+            return false;
+        }
+    };
+    OSRestoreInterrupts(enabled);
+    return true;
+}
+
+void DvdLockedFileStream::UnlockMutex() {
+    BOOL enabled = OSDisableInterrupts();
+    OSUnlockMutex(&sMutex);
+    OSWakeupThread(&sThreadQueue);
+    OSRestoreInterrupts(enabled);
+}
+
+void DvdLockedFileStream::CancelMutex() {
+    BOOL enabled = OSDisableInterrupts();
+    mCancelFlag = true;
+    OSWakeupThread(&sThreadQueue);
+    OSRestoreInterrupts(enabled);
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_Font.cpp b/src/nw4r/ut/ut_Font.cpp
index e69de29b..0032e911 100644
--- a/src/nw4r/ut/ut_Font.cpp
+++ b/src/nw4r/ut/ut_Font.cpp
@@ -0,0 +1,25 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+void Font::InitReaderFunc(FontEncoding encode) {
+    switch (encode) {
+    case FONT_ENCODE_UTF8:
+        mReadFunc = &CharStrmReader::ReadNextCharUTF8;
+        break;
+    case FONT_ENCODE_UTF16:
+        mReadFunc = &CharStrmReader::ReadNextCharUTF16;
+        break;
+    case FONT_ENCODE_SJIS:
+        mReadFunc = &CharStrmReader::ReadNextCharSJIS;
+        break;
+    case FONT_ENCODE_CP1252:
+    default:
+        mReadFunc = &CharStrmReader::ReadNextCharCP1252;
+        break;
+    }
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_IOStream.cpp b/src/nw4r/ut/ut_IOStream.cpp
index dec6c090..01c7fed0 100644
--- a/src/nw4r/ut/ut_IOStream.cpp
+++ b/src/nw4r/ut/ut_IOStream.cpp
@@ -9,7 +9,7 @@ bool IOStream::ReadAsync(void *dst, unsigned long size, AsyncCallback callback,
     return false;
 }
 
-bool IOStream::Write(const void *src, unsigned long size) {
+long IOStream::Write(const void *src, unsigned long size) {
     return false;
 }
 
diff --git a/src/nw4r/ut/ut_LockedCache.cpp b/src/nw4r/ut/ut_LockedCache.cpp
index e69de29b..3972e471 100644
--- a/src/nw4r/ut/ut_LockedCache.cpp
+++ b/src/nw4r/ut/ut_LockedCache.cpp
@@ -0,0 +1,104 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+namespace {
+
+class LCImpl {
+public:
+    class Lock_ {
+    public:
+        Lock_(LCImpl &lc) : mMutex(lc.mMutex) {
+            OSLockMutex(&mMutex);
+        }
+        ~Lock_() {
+            OSUnlockMutex(&mMutex);
+        }
+
+    private:
+        OSMutex &mMutex; // at 0x0
+    };
+
+public:
+    LCImpl() : mIsEnabled(false) {
+        OSInitMutex(&mMutex);
+    }
+
+    void Enable() {
+        Lock_ lock(*this);
+
+        if (!mIsEnabled) {
+            LCEnable();
+            mIsEnabled = true;
+        }
+    }
+
+    void Disable() {
+        Lock_ lock(*this);
+
+        if (mIsEnabled) {
+            LC::QueueWaitEx(0);
+            LCDisable();
+            mIsEnabled = false;
+        }
+    }
+
+    bool Lock() {
+        OSLockMutex(&mMutex);
+
+        if (mIsEnabled) {
+            LC::QueueWaitEx(0);
+            return true;
+        }
+
+        OSUnlockMutex(&mMutex);
+        return false;
+    }
+
+    void Unlock() {
+        LC::QueueWaitEx(0);
+        OSUnlockMutex(&mMutex);
+    }
+
+private:
+    bool mIsEnabled; // at 0x0
+    OSMutex mMutex;  // at 0x4
+};
+
+static LCImpl sLCImpl;
+
+} // namespace
+
+namespace LC {
+
+void Enable() {
+    sLCImpl.Enable();
+}
+
+void Disable() {
+    sLCImpl.Disable();
+}
+
+bool Lock() {
+    return sLCImpl.Lock();
+}
+
+void Unlock() {
+    sLCImpl.Unlock();
+}
+
+void LoadBlocks(void *dst, void *src, unsigned long size) {
+    LCLoadBlocks(dst, src, size);
+}
+
+void StoreBlocks(void *dst, void *src, unsigned long size) {
+    LCStoreBlocks(dst, src, size);
+}
+
+void StoreData(void *dst, void *src, unsigned long size) {
+    LCStoreData(dst, src, size);
+}
+
+} // namespace LC
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_NandFileStream.cpp b/src/nw4r/ut/ut_NandFileStream.cpp
index e69de29b..29c7a0b8 100644
--- a/src/nw4r/ut/ut_NandFileStream.cpp
+++ b/src/nw4r/ut/ut_NandFileStream.cpp
@@ -0,0 +1,178 @@
+
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+NW4R_UT_RTTI_DEF_DERIVED(NandFileStream, FileStream);
+
+void NandFileStream::NandAsyncCallback_(long result, NANDCommandBlock *block) {
+    NandFileStream *self = reinterpret_cast<AsyncContext *>(block)->stream;
+
+    self->mIsBusy = false;
+    self->mResult = result;
+
+    if (self->mCallback != NULL) {
+        self->mCallback(result, self, self->mCallbackArg);
+    }
+}
+
+void NandFileStream::Initialize_() {
+    mCanRead = false;
+    mCanWrite = false;
+    mCloseOnDestroy = false;
+    mAllowClose = false;
+    mIsOpen = false;
+    mIsBusy = false;
+    mCallback = NULL;
+    mCallbackArg = NULL;
+    mResult = NAND_RESULT_OK;
+    mAsyncContext.stream = this;
+}
+
+NandFileStream::NandFileStream(const char *path, unsigned long access) {
+    Initialize_();
+    Open(path, access);
+}
+
+NandFileStream::NandFileStream(const NANDFileInfo *info, unsigned long access, bool close) {
+    Initialize_();
+    Open(info, access, close);
+}
+
+NandFileStream::~NandFileStream() {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+}
+
+bool NandFileStream::Open(const char *path, unsigned long access) {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+
+    mCanRead = access & NAND_ACCESS_READ;
+    mCanWrite = access & NAND_ACCESS_WRITE;
+
+    if (NANDOpen(path, &mAsyncContext.info, access) != NAND_RESULT_OK) {
+        return false;
+    }
+
+    if (mCanRead) {
+        unsigned long fileSize;
+
+        if (NANDGetLength(&mAsyncContext.info, &fileSize) != NAND_RESULT_OK) {
+            NANDClose(&mAsyncContext.info);
+            return false;
+        }
+
+        mFilePosition.SetFileSize(fileSize);
+    }
+
+    mFilePosition.Seek(0, SEEK_BEG);
+
+    mCloseOnDestroy = true;
+    mAllowClose = true;
+    mIsOpen = true;
+
+    return true;
+}
+
+bool NandFileStream::Open(const NANDFileInfo *info, unsigned long access, bool close) {
+    if (mCloseOnDestroy) {
+        Close();
+    }
+
+    mCanRead = access & NAND_ACCESS_READ;
+    mCanWrite = access & NAND_ACCESS_WRITE;
+
+    mAsyncContext.info = *info;
+
+    unsigned long fileSize;
+    if (mCanRead) {
+        if (NANDGetLength(&mAsyncContext.info, &fileSize) != NAND_RESULT_OK) {
+            if (close) {
+                NANDClose(&mAsyncContext.info);
+            }
+            return false;
+        }
+        mFilePosition.SetFileSize(fileSize);
+    }
+    mFilePosition.Seek(0, SEEK_BEG);
+
+    mCloseOnDestroy = false;
+    mAllowClose = close;
+    mIsOpen = true;
+    return true;
+}
+
+void NandFileStream::Close() {
+    if (mAllowClose && mIsOpen) {
+        NANDClose(&mAsyncContext.info);
+        mIsOpen = false;
+    }
+}
+
+long NandFileStream::Read(void *dst, unsigned long size) {
+    NANDSeek(&mAsyncContext.info, mFilePosition.Tell(), NAND_SEEK_BEG);
+
+    long result = NANDRead(&mAsyncContext.info, dst, size);
+    if (result > 0) {
+        mFilePosition.Skip(result);
+    }
+
+    return result;
+}
+
+bool NandFileStream::ReadAsync(void *dst, unsigned long size, AsyncCallback callback, void *arg) {
+    mCallback = callback;
+    mCallbackArg = arg;
+    mIsBusy = true;
+
+    NANDSeek(&mAsyncContext.info, mFilePosition.Tell(), NAND_SEEK_BEG);
+
+    bool success =
+            NANDReadAsync(&mAsyncContext.info, dst, size, NandAsyncCallback_, &mAsyncContext.block) == NAND_RESULT_OK;
+
+    if (success) {
+        mFilePosition.Skip(size);
+    } else {
+        mIsBusy = false;
+    }
+
+    return success;
+}
+
+long NandFileStream::Write(const void *src, unsigned long size) {
+    NANDSeek(&mAsyncContext.info, mFilePosition.Tell(), NAND_SEEK_BEG);
+    long result = NANDWrite(&mAsyncContext.info, src, size);
+    if (result > 0) {
+        mFilePosition.Append(result);
+    }
+    return result;
+}
+
+bool NandFileStream::WriteAsync(const void *src, unsigned long size, AsyncCallback callback, void *arg) {
+    mCallback = callback;
+    mCallbackArg = arg;
+    mIsBusy = true;
+
+    NANDSeek(&mAsyncContext.info, mFilePosition.Tell(), NAND_SEEK_BEG);
+
+    long result = NANDWriteAsync(&mAsyncContext.info, src, size, NandAsyncCallback_, &mAsyncContext.block);
+
+    if (result == NAND_RESULT_OK) {
+        mFilePosition.Append(size);
+    } else {
+        mIsBusy = false;
+    }
+
+    return result == NAND_RESULT_OK;
+}
+
+void NandFileStream::Seek(long offset, unsigned long origin) {
+    mFilePosition.Seek(offset, origin);
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_ResFont.cpp b/src/nw4r/ut/ut_ResFont.cpp
index e69de29b..1dfc9f3b 100644
--- a/src/nw4r/ut/ut_ResFont.cpp
+++ b/src/nw4r/ut/ut_ResFont.cpp
@@ -0,0 +1,121 @@
+#include <nw4r/ut.h>
+
+const u32 MAGIC_RESFONT = 'RFNT';
+const u32 MAGIC_UNPACKED = 'RFNU';
+
+const u32 MAGIC_FONTINFO = 'FINF';
+const u32 MAGIC_TEXGLYPH = 'TGLP';
+const u32 MAGIC_CHARWIDTH = 'CWDH';
+const u32 MAGIC_CHARMAP = 'CMAP';
+const u32 MAGIC_GLGR = 'GLGR';
+
+namespace nw4r {
+namespace ut {
+namespace {
+
+template <typename T>
+void ResolveOffset(T *&ptr, void *base) {
+    ptr = reinterpret_cast<T *>(static_cast<char *>(base) + reinterpret_cast<ptrdiff_t>(ptr));
+}
+
+} // namespace
+
+ResFont::ResFont() {}
+
+ResFont::~ResFont() {}
+
+bool ResFont::SetResource(void *buffer) {
+    BinaryFileHeader *header = static_cast<BinaryFileHeader *>(buffer);
+    FontInformation *info = NULL;
+
+    if (!IsManaging(NULL)) {
+        return false;
+    }
+
+    if (header->magic == MAGIC_UNPACKED) {
+        BinaryBlockHeader *block =
+                reinterpret_cast<BinaryBlockHeader *>(reinterpret_cast<char *>(header) + header->headerSize);
+
+        for (int i = 0; i < header->numBlocks; i++) {
+            if (block->magic == MAGIC_FONTINFO) {
+                info = reinterpret_cast<FontInformation *>(block + 1);
+                break;
+            }
+
+            block = reinterpret_cast<BinaryBlockHeader *>(reinterpret_cast<char *>(block) + block->length);
+        }
+    } else {
+        if (header->version == NW4R_VERSION(1, 04)) {
+            if (!IsValidBinaryFile(header, MAGIC_RESFONT, NW4R_VERSION(1, 04), 2)) {
+                return false;
+            }
+        } else if (!IsValidBinaryFile(header, MAGIC_RESFONT, NW4R_VERSION(1, 02), 2)) {
+            return false;
+        }
+
+        info = Rebuild(header);
+    }
+
+    if (info == NULL) {
+        return false;
+    }
+
+    SetResourceBuffer(header, info);
+    InitReaderFunc(GetEncoding());
+
+    return true;
+}
+
+void *ResFont::RemoveResource() {
+    return ResFontBase::RemoveResourceBuffer();
+}
+
+FontInformation *ResFont::Rebuild(BinaryFileHeader *header) {
+    BinaryBlockHeader *block =
+            reinterpret_cast<BinaryBlockHeader *>(reinterpret_cast<char *>(header) + header->headerSize);
+    FontInformation *info = NULL;
+
+    for (int i = 0; i < header->numBlocks; i++) {
+        switch (block->magic) {
+        case MAGIC_FONTINFO:
+            info = reinterpret_cast<FontInformation *>(block + 1);
+            ResolveOffset<FontTextureGlyph>(info->fontGlyph, header);
+
+            if (info->fontWidth != 0) {
+                ResolveOffset<FontWidth>(info->fontWidth, header);
+            }
+
+            if (info->fontMap != 0) {
+                ResolveOffset<FontCodeMap>(info->fontMap, header);
+            }
+            break;
+        case MAGIC_TEXGLYPH:
+            ResolveOffset<u8>(reinterpret_cast<FontTextureGlyph *>(block + 1)->sheetImage, header);
+            break;
+        case MAGIC_CHARWIDTH:
+            FontWidth *width = reinterpret_cast<FontWidth *>(block + 1);
+            if (width->next != 0) {
+                ResolveOffset<FontWidth>(width->next, header);
+            }
+            break;
+        case MAGIC_CHARMAP:
+            FontCodeMap *map = reinterpret_cast<FontCodeMap *>(block + 1);
+            if (map->next != 0) {
+                ResolveOffset<FontCodeMap>(map->next, header);
+            }
+            break;
+        case MAGIC_GLGR:
+            break;
+        default:
+            return NULL;
+        }
+
+        block = reinterpret_cast<BinaryBlockHeader *>(reinterpret_cast<char *>(block) + block->length);
+    }
+
+    header->magic = MAGIC_UNPACKED;
+    return info;
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_ResFontBase.cpp b/src/nw4r/ut/ut_ResFontBase.cpp
index e69de29b..40068a17 100644
--- a/src/nw4r/ut/ut_ResFontBase.cpp
+++ b/src/nw4r/ut/ut_ResFontBase.cpp
@@ -0,0 +1,221 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+namespace detail {
+
+ResFontBase::ResFontBase() : mResource(NULL), mFontInfo(NULL), mLastCharCode(0), mLastGlyphIndex(-1) {}
+
+ResFontBase::~ResFontBase() {}
+
+void ResFontBase::SetResourceBuffer(void *buffer, FontInformation *info) {
+    mResource = buffer;
+    mFontInfo = info;
+}
+
+void *ResFontBase::RemoveResourceBuffer() {
+    void *pUserData = mResource;
+    mFontInfo = NULL;
+    mResource = NULL;
+    return pUserData;
+}
+
+int ResFontBase::GetWidth() const {
+    return mFontInfo->width;
+}
+
+int ResFontBase::GetHeight() const {
+    return mFontInfo->height;
+}
+
+int ResFontBase::GetAscent() const {
+    return mFontInfo->ascent;
+}
+
+int ResFontBase::GetDescent() const {
+    return mFontInfo->height - mFontInfo->ascent;
+}
+
+int ResFontBase::GetBaselinePos() const {
+    return mFontInfo->fontGlyph->baselinePos;
+}
+
+int ResFontBase::GetCellHeight() const {
+    return mFontInfo->fontGlyph->cellHeight;
+}
+
+int ResFontBase::GetCellWidth() const {
+    return mFontInfo->fontGlyph->cellWidth;
+}
+
+int ResFontBase::GetMaxCharWidth() const {
+    return mFontInfo->fontGlyph->maxCharWidth;
+}
+
+Font::Type ResFontBase::GetType() const {
+    return TYPE_RESOURCE;
+}
+
+GXTexFmt ResFontBase::GetTextureFormat() const {
+    return static_cast<GXTexFmt>(mFontInfo->fontGlyph->sheetFormat);
+}
+
+int ResFontBase::GetLineFeed() const {
+    return mFontInfo->lineFeed;
+}
+
+CharWidths ResFontBase::GetDefaultCharWidths() const {
+    return mFontInfo->defaultWidth;
+}
+
+void ResFontBase::SetDefaultCharWidths(const CharWidths &widths) {
+    mFontInfo->defaultWidth = widths;
+}
+
+bool ResFontBase::SetAlternateChar(u16 ch) {
+    u32 index = FindGlyphIndex(ch);
+    if (index != 0xFFFF) {
+        mFontInfo->alterCharIndex = index;
+        return true;
+    }
+
+    return false;
+}
+
+void ResFontBase::SetLineFeed(int lf) {
+    mFontInfo->lineFeed = lf;
+}
+
+int ResFontBase::GetCharWidth(u16 ch) const {
+    return GetCharWidths(ch).charWidth;
+}
+
+CharWidths ResFontBase::GetCharWidths(u16 ch) const {
+    u16 index = GetGlyphIndex(ch);
+    return GetCharWidthsFromIndex(index);
+}
+
+void ResFontBase::GetGlyph(Glyph *out, u16 ch) const {
+    u16 index = GetGlyphIndex(ch);
+    GetGlyphFromIndex(out, index);
+}
+
+bool ResFontBase::HasGlyph(u16 c) const {
+    return FindGlyphIndex(c) != 0xFFFF;
+}
+
+FontEncoding ResFontBase::GetEncoding() const {
+    return static_cast<FontEncoding>(mFontInfo->encoding);
+}
+
+u16 ResFontBase::GetGlyphIndex(u16 c) const {
+    u16 index = FindGlyphIndex(c);
+    return (index != 0xFFFF) ? index : mFontInfo->alterCharIndex;
+}
+
+u16 ResFontBase::FindGlyphIndex(u16 c) const {
+    if (c == mLastCharCode) {
+        return mLastGlyphIndex;
+    }
+    mLastCharCode = c;
+
+    for (FontCodeMap *it = mFontInfo->fontMap; it != NULL; it = it->next) {
+        if (it->firstChar <= c && c <= it->lastChar) {
+            mLastGlyphIndex = FindGlyphIndex(it, c);
+            return mLastGlyphIndex;
+        }
+    }
+
+    mLastGlyphIndex = 0xFFFF;
+    return mLastGlyphIndex;
+}
+
+u16 ResFontBase::FindGlyphIndex(const FontCodeMap *map, u16 c) const {
+    struct CMapScanEntry {
+        u16 code;  // at 0x0
+        u16 index; // at 0x2
+    };
+
+    struct CMapInfoScan {
+        u16 num;                 // at 0x0
+        CMapScanEntry entries[]; // at 0x2
+    };
+
+    u16 index = 0xFFFF;
+
+    switch (map->mappingMethod) {
+    case FONT_MAPMETHOD_LINEAR:
+        index = map->mapInfo[0] + (c - map->firstChar);
+        break;
+    case FONT_MAPMETHOD_ARRAY:
+        index = map->mapInfo[c - map->firstChar];
+        break;
+    case FONT_MAPMETHOD_SCAN:
+        const CMapInfoScan *info = reinterpret_cast<const CMapInfoScan *>(map->mapInfo);
+
+        const CMapScanEntry *s = info->entries;
+        const CMapScanEntry *e = &info->entries[info->num - 1];
+
+        while (s <= e) {
+            const CMapScanEntry *m = s + (e - s) / 2;
+
+            if (m->code < c) {
+                s = m + 1;
+            } else if (c < m->code) {
+                e = m - 1;
+            } else {
+                return m->index;
+            }
+        }
+
+        break;
+    }
+
+    return index;
+}
+
+const CharWidths &ResFontBase::GetCharWidthsFromIndex(u16 index) const {
+    for (const FontWidth *it = mFontInfo->fontWidth; it != NULL; it = it->next) {
+        if (it->firstChar <= index && index <= it->lastChar) {
+            return GetCharWidthsFromIndex(it, index);
+        }
+    }
+
+    return mFontInfo->defaultWidth;
+}
+
+const CharWidths &ResFontBase::GetCharWidthsFromIndex(const FontWidth *width, u16 index) const {
+    return width->widthTable[index - width->firstChar];
+}
+
+void ResFontBase::GetGlyphFromIndex(Glyph *out, u16 index) const {
+    const FontTextureGlyph *texGlyph = mFontInfo->fontGlyph;
+
+    u32 cellsInASheet = texGlyph->sheetRow * texGlyph->sheetLine;
+
+    u32 glyphCell = index % cellsInASheet;
+    u32 glyphSheet = index / cellsInASheet;
+
+    u32 unitX = glyphCell % texGlyph->sheetRow;
+    u32 unitY = glyphCell / texGlyph->sheetRow;
+
+    u32 pixelX = unitX * (texGlyph->cellWidth + 1);
+    u32 pixelY = unitY * (texGlyph->cellHeight + 1);
+
+    out->texture = texGlyph->sheetImage + (glyphSheet * texGlyph->sheetSize);
+
+    out->widths = GetCharWidthsFromIndex(index);
+    out->height = texGlyph->cellHeight;
+
+    out->format = static_cast<GXTexFmt>(texGlyph->sheetFormat);
+
+    out->texWidth = texGlyph->sheetWidth;
+    out->texHeight = texGlyph->sheetHeight;
+
+    out->cellX = pixelX + 1;
+    out->cellY = pixelY + 1;
+}
+
+} // namespace detail
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_RomFont.cpp b/src/nw4r/ut/ut_RomFont.cpp
new file mode 100644
index 00000000..f3cb29f6
--- /dev/null
+++ b/src/nw4r/ut/ut_RomFont.cpp
@@ -0,0 +1,226 @@
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+u16 RomFont::mFontEncode = 0xFFFF;
+
+namespace {
+
+bool IsCP1252Char(u16 c) {
+    return c >= 0x20 && c <= 0xFF;
+}
+
+bool IsSJISHalfWidthChar(u16 c) {
+    if (c > 0xFF) {
+        return false;
+    }
+
+    return (c >= 0x20 && c <= 0x7E) || (c >= 0xA1 && c <= 0xDF);
+}
+
+bool IsSJISFullWidthChar(u16 c) {
+    u8 hi = BitExtract<u16>(c, 8, 8);
+    u8 lo = BitExtract<u16>(c, 0, 8);
+
+    return hi >= 0x81 && hi <= 0x98 && lo >= 0x40 && lo <= 0xFC;
+}
+
+} // namespace
+
+RomFont::RomFont() : mFontHeader(NULL), mAlternateChar('?') {
+    mDefaultWidths.leftSpacing = 0;
+    mDefaultWidths.glyphWidth = 0;
+    mDefaultWidths.charWidth = 0;
+}
+
+RomFont::~RomFont() {}
+
+bool RomFont::Load(void *buffer) {
+    if (mFontHeader != NULL) {
+        return false;
+    }
+
+    BOOL success = OSInitFont(static_cast<OSFontHeader *>(buffer));
+
+    if (success) {
+        mFontEncode = OSGetFontEncode();
+        mFontHeader = static_cast<OSFontHeader *>(buffer);
+
+        mDefaultWidths.leftSpacing = 0;
+        mDefaultWidths.glyphWidth = GetCellWidth();
+        mDefaultWidths.charWidth = GetMaxCharWidth();
+
+        InitReaderFunc(GetEncoding());
+    }
+
+    return success;
+}
+
+u32 RomFont::GetRequireBufferSize() {
+    switch (OSGetFontEncode()) {
+    case OS_FONT_ENCODE_ANSI:
+        return 0x00020120;
+    case OS_FONT_ENCODE_SJIS:
+        return 0x00120F00;
+    }
+
+    return 0;
+}
+
+int RomFont::GetWidth() const {
+    return mFontHeader->width;
+}
+
+int RomFont::GetHeight() const {
+    return GetAscent() + GetDescent();
+}
+
+int RomFont::GetAscent() const {
+    return mFontHeader->ascent;
+}
+
+int RomFont::GetDescent() const {
+    return mFontHeader->descent;
+}
+
+int RomFont::GetBaselinePos() const {
+    return mFontHeader->ascent;
+}
+
+int RomFont::GetCellHeight() const {
+    return mFontHeader->cellHeight;
+}
+
+int RomFont::GetCellWidth() const {
+    return mFontHeader->cellWidth;
+}
+
+int RomFont::GetMaxCharWidth() const {
+    return mFontHeader->width;
+}
+
+Font::Type RomFont::GetType() const {
+    return TYPE_ROM;
+}
+
+GXTexFmt RomFont::GetTextureFormat() const {
+    return GX_TF_I4;
+}
+
+int RomFont::GetLineFeed() const {
+    return mFontHeader->leading;
+}
+
+CharWidths RomFont::GetDefaultCharWidths() const {
+    return mDefaultWidths;
+}
+
+void RomFont::SetDefaultCharWidths(const CharWidths &widths) {
+    mDefaultWidths = widths;
+}
+
+bool RomFont::SetAlternateChar(u16 c) {
+    const u16 prev = mAlternateChar;
+    mAlternateChar = 0xFFFF;
+
+    u16 undef = HandleUndefinedChar(c);
+    if (undef != 0xFFFF) {
+        mAlternateChar = c;
+        return true;
+    } else {
+        mAlternateChar = prev;
+        return false;
+    }
+}
+
+void RomFont::SetLineFeed(int lf) {
+    mFontHeader->leading = lf;
+}
+
+int RomFont::GetCharWidth(u16 c) const {
+    u32 width;
+    char buffer[4];
+
+    MakeCharPtr(buffer, c);
+    OSGetFontWidth(buffer, &width);
+
+    return width;
+}
+
+CharWidths RomFont::GetCharWidths(u16 c) const {
+    int width = GetCharWidth(c);
+
+    CharWidths widths;
+    widths.leftSpacing = 0;
+    widths.glyphWidth = width;
+    widths.charWidth = width;
+
+    return widths;
+}
+
+void RomFont::GetGlyph(Glyph *out, u16 c) const {
+    void *texture;
+    u32 x, y, width;
+    char buffer[4];
+
+    MakeCharPtr(buffer, c);
+    OSGetFontTexture(buffer, &texture, &x, &y, &width);
+
+    out->texture = texture;
+
+    out->widths.leftSpacing = 0;
+    out->widths.glyphWidth = width;
+    out->widths.charWidth = width;
+
+    out->height = mFontHeader->cellHeight;
+    out->format = GX_TF_I4;
+
+    out->texWidth = mFontHeader->sheetWidth;
+    out->texHeight = mFontHeader->sheetHeight;
+
+    out->cellX = x;
+    out->cellY = y;
+}
+
+FontEncoding RomFont::GetEncoding() const {
+    switch (mFontEncode) {
+    case OS_FONT_ENCODE_ANSI:
+        return FONT_ENCODE_CP1252;
+    case OS_FONT_ENCODE_SJIS:
+        return FONT_ENCODE_SJIS;
+    }
+
+    return FONT_ENCODE_CP1252;
+}
+
+void RomFont::MakeCharPtr(char *buffer, u16 c) const {
+    c = HandleUndefinedChar(c);
+
+    if (BitExtract<u16>(c, 8, 8) == 0) {
+        buffer[0] = c & 0x00FF;
+        buffer[1] = '\0';
+    } else {
+        buffer[0] = BitExtract<u16>(c, 8, 8);
+        buffer[1] = c & 0x00FF;
+        buffer[2] = '\0';
+    }
+}
+
+u16 RomFont::HandleUndefinedChar(u16 c) const {
+    bool valid;
+
+    switch (mFontEncode) {
+    case OS_FONT_ENCODE_ANSI:
+        valid = IsCP1252Char(c);
+        break;
+    case OS_FONT_ENCODE_SJIS:
+        valid = IsSJISHalfWidthChar(c) || IsSJISFullWidthChar(c);
+        break;
+    }
+
+    return valid ? c : mAlternateChar;
+}
+
+} // namespace ut
+} // namespace nw4r
diff --git a/src/nw4r/ut/ut_TextWriterBase.cpp b/src/nw4r/ut/ut_TextWriterBase.cpp
index e69de29b..c3fc3032 100644
--- a/src/nw4r/ut/ut_TextWriterBase.cpp
+++ b/src/nw4r/ut/ut_TextWriterBase.cpp
@@ -0,0 +1,494 @@
+
+#include <Runtime.PPCEABI.H/__va_arg.h>
+#include <nw4r/ut.h>
+
+namespace nw4r {
+namespace ut {
+
+template <typename T>
+T *TextWriterBase<T>::mFormatBuffer;
+template <typename T>
+int TextWriterBase<T>::mFormatBufferSize = 0x100;
+
+template <typename T>
+TagProcessorBase<T> TextWriterBase<T>::mDefaultTagProcessor;
+
+template <typename T>
+TextWriterBase<T>::TextWriterBase()
+    : mCharSpace(0.0f), mWidthLimit(NW4R_MATH_FLT_MAX), mLineSpace(0.0f), mTabWidth(4), mDrawFlag(0),
+      mTagProcessor(&mDefaultTagProcessor) {}
+
+template <typename T>
+TextWriterBase<T>::~TextWriterBase() {}
+
+template <typename T>
+void TextWriterBase<T>::SetLineHeight(f32 height) {
+    const Font *font = GetFont();
+    int lf = font != NULL ? font->GetLineFeed() : 0;
+    mLineSpace = height - lf * GetScaleV();
+}
+
+template <typename T>
+f32 TextWriterBase<T>::GetLineHeight() const {
+    const Font *font = GetFont();
+    int lf = font != NULL ? font->GetLineFeed() : 0;
+    return mLineSpace + GetScaleV() * lf;
+}
+
+template <typename T>
+f32 TextWriterBase<T>::CalcFormatStringWidth(const T *format, ...) const {
+    Rect rect;
+    _va_list_struct args;
+
+    va_start(args, format);
+    CalcVStringRect(&rect, format, &args);
+    va_end(args);
+
+    return rect.GetWidth();
+}
+
+template <typename T>
+f32 TextWriterBase<T>::CalcFormatStringHeight(const T *format, ...) const {
+    Rect rect;
+    _va_list_struct args;
+
+    va_start(args, format);
+    CalcVStringRect(&rect, format, &args);
+    va_end(args);
+
+    return rect.GetHeight();
+}
+
+template <typename T>
+void TextWriterBase<T>::CalcFormatStringRect(Rect *rect, const T *format, ...) const {
+    _va_list_struct args;
+
+    va_start(args, format);
+    CalcVStringRect(rect, format, &args);
+    va_end(args);
+}
+
+template <typename T>
+void TextWriterBase<T>::CalcVStringRect(Rect *rect, const T *format, va_list args) const {
+    T *pBuffer;
+
+    if (mFormatBuffer != NULL) {
+        pBuffer = mFormatBuffer;
+    } else {
+        pBuffer = static_cast<T *>(__alloca(mFormatBufferSize));
+    }
+
+    int len = VSNPrintf(pBuffer, mFormatBufferSize, format, args);
+    len = Min(len, mFormatBufferSize - 1);
+
+    CalcStringRect(rect, pBuffer, len);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::CalcStringWidth(const T *str, int len) const {
+    Rect rect;
+    CalcStringRect(&rect, str, len);
+    return rect.GetWidth();
+}
+
+template <typename T>
+f32 TextWriterBase<T>::CalcStringHeight(const T *str, int len) const {
+    Rect rect;
+    CalcStringRect(&rect, str, len);
+    return rect.GetHeight();
+}
+
+template <typename T>
+void TextWriterBase<T>::CalcStringRect(Rect *rect, const T *str, int len) const {
+    TextWriterBase<T> clone(*this);
+    clone.CalcStringRectImpl(rect, str, len);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::Printf(const T *format, ...) {
+    va_list args;
+    va_start(args[0], format);
+    f32 width = VPrintf(format, args);
+    va_end(args[0]);
+    return width;
+}
+
+template <typename T>
+f32 TextWriterBase<T>::VPrintf(const T *str, va_list args) {
+    T *pBuffer;
+
+    if (mFormatBuffer != NULL) {
+        pBuffer = mFormatBuffer;
+    } else {
+        pBuffer = static_cast<T *>(__alloca(mFormatBufferSize));
+    }
+
+    int len = VSNPrintf(pBuffer, mFormatBufferSize, str, args);
+    len = Min(len, mFormatBufferSize - 1);
+    return Print(pBuffer, len);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::Print(const T *str, int len) {
+    TextWriterBase<T> clone(*this);
+
+    f32 width = clone.PrintImpl(str, len, false);
+    SetCursor(clone.GetCursorX(), clone.GetCursorY());
+
+    return width;
+}
+
+template <typename T>
+f32 TextWriterBase<T>::PrintfMutable(const T *format, ...) {
+    va_list args;
+    va_start(args[0], format);
+    f32 width = VPrintfMutable(format, args);
+    va_end(args[0]);
+    return width;
+}
+
+template <typename T>
+f32 TextWriterBase<T>::VPrintfMutable(const T *format, va_list args) {
+    T *pBuffer;
+
+    if (mFormatBuffer != NULL) {
+        pBuffer = mFormatBuffer;
+    } else {
+        pBuffer = static_cast<T *>(__alloca(mFormatBufferSize));
+    }
+
+    int len = VSNPrintf(pBuffer, mFormatBufferSize, format, args);
+    len = Min(len, mFormatBufferSize - 1);
+    return PrintMutable(pBuffer, len);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::PrintMutable(const T *str, int len) {
+    return PrintImpl(str, len, true);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::CalcLineWidth(const T *str, int len) {
+    Rect rect;
+    TextWriterBase<T> clone(*this);
+
+    clone.SetCursor(0.0f, 0.0f);
+    clone.CalcLineRectImpl(&rect, &str, len);
+
+    return rect.GetWidth();
+}
+
+template <typename T>
+bool TextWriterBase<T>::CalcLineRectImpl(Rect *rect, const T **str, int len) {
+    const T *strBegin = *str;
+    const T *strEnd = strBegin + len;
+    const bool useLimit = mWidthLimit < NW4R_MATH_FLT_MAX;
+
+    PrintContext<T> context = {this, strBegin};
+
+    f32 x = 0.0f;
+    bool charSpace = false;
+    bool overLimit = false;
+
+    const T *prevStream = NULL;
+    Rect prevRect;
+
+    CharStrmReader reader = GetFont()->GetCharStrmReader();
+
+    rect->left = 0.0f;
+    rect->right = 0.0f;
+    rect->top = Min(0.0f, GetLineHeight());
+    rect->bottom = Max(0.0f, GetLineHeight());
+    prevRect = *rect;
+
+    reader.Set(strBegin);
+    prevStream = NULL;
+
+    u16 ch = reader.Next();
+
+    while (static_cast<const T *>(reader.GetCurrentPos()) <= strEnd) {
+        if (ch < ' ') {
+            Rect r(x, 0.0f, 0.0f, 0.0f);
+            context.str = static_cast<const T *>(reader.GetCurrentPos());
+            context.flags = charSpace ? 0 : PRINTFLAGS_CHARSPACE;
+            SetCursorX(x);
+
+            if (useLimit && ch != '\n' && prevStream != NULL) {
+                PrintContext<T> context2 = context;
+                TextWriterBase<T> clone(*this);
+
+                Rect r;
+                context2.writer = &clone;
+                mTagProcessor->CalcRect(&r, ch, &context2);
+
+                if (r.GetWidth() > 0.0f && clone.GetCursorX() - context.x > mWidthLimit) {
+                    overLimit = true;
+                    ch = '\n';
+                    reader.Set(prevStream);
+                    continue;
+                }
+            }
+
+            Operation oper = mTagProcessor->CalcRect(&r, ch, &context);
+            reader.Set(context.str);
+
+            rect->left = Min(rect->left, r.left);
+            rect->top = Min(rect->top, r.top);
+            rect->right = Max(rect->right, r.right);
+            rect->bottom = Max(rect->bottom, r.bottom);
+
+            x = GetCursorX();
+
+            if (oper == OPERATION_END_DRAW) {
+                *str += len;
+                return false;
+            }
+
+            if (oper == OPERATION_NO_CHAR_SPACE) {
+                charSpace = false;
+            } else if (oper == OPERATION_CHAR_SPACE) {
+                charSpace = true;
+            } else if (oper == OPERATION_NEXT_LINE) {
+                break;
+            }
+        } else {
+            f32 dx = 0.0f;
+
+            if (charSpace) {
+                dx += GetCharSpace();
+            }
+
+            if (IsWidthFixed()) {
+                dx += GetFixedWidth();
+            } else {
+                dx += GetFont()->GetCharWidth(ch) * GetScaleH();
+            }
+
+            if (useLimit && prevStream != NULL && x + dx > mWidthLimit) {
+                overLimit = true;
+                ch = '\n';
+                reader.Set(prevStream);
+                continue;
+            }
+
+            x += dx;
+            rect->left = Min(rect->left, x);
+            rect->right = Max(rect->right, x);
+
+            charSpace = true;
+        }
+
+        if (useLimit) {
+            prevStream = static_cast<const T *>(reader.GetCurrentPos());
+        }
+
+        ch = reader.Next();
+    }
+
+    *str = static_cast<const T *>(reader.GetCurrentPos());
+    return overLimit;
+}
+
+template <typename T>
+void TextWriterBase<T>::CalcStringRectImpl(Rect *rect, const T *str, int len) {
+    const T *end = str + len;
+    int remain = len;
+
+    rect->left = 0.0f;
+    rect->right = 0.0f;
+    rect->top = 0.0f;
+    rect->bottom = 0.0f;
+
+    SetCursor(0.0f, 0.0f);
+
+    do {
+        Rect r;
+        CalcLineRectImpl(&r, &str, remain);
+        remain = end - str;
+
+        rect->left = Min(rect->left, r.left);
+        rect->top = Min(rect->top, r.top);
+        rect->right = Max(rect->right, r.right);
+        rect->bottom = Max(rect->bottom, r.bottom);
+    } while (remain > 0);
+}
+
+template <typename T>
+f32 TextWriterBase<T>::PrintImpl(const T *str, int len, bool m) {
+    f32 cursorX = GetCursorX();
+    f32 cursorY = GetCursorY();
+
+    bool useLimit = mWidthLimit < NW4R_MATH_FLT_MAX;
+
+    f32 orgCursorX = cursorX;
+    f32 orgCursorY = cursorY;
+
+    f32 cursorXAdj = 0.0f;
+    f32 cursorYAdj = 0.0f;
+
+    bool charSpace = false;
+
+    const T *prevStream = str;
+    const T *prevNewline = str;
+
+    f32 textWidth = AdjustCursor(&cursorX, &cursorY, str, len);
+
+    cursorXAdj = orgCursorX - GetCursorX();
+    cursorYAdj = orgCursorY - GetCursorY();
+
+    PrintContext<T> context = {this, str, cursorX, cursorY};
+
+    CharStrmReader reader = GetFont()->GetCharStrmReader();
+    reader.Set(str);
+
+    Operation oper;
+    u16 ch = reader.Next();
+
+    while (static_cast<const T *>(reader.GetCurrentPos()) - str <= len) {
+        if (ch < ' ') {
+            context.str = static_cast<const T *>(reader.GetCurrentPos());
+            context.flags = charSpace ? 0 : PRINTFLAGS_CHARSPACE;
+
+            if (useLimit && ch != '\n' && prevStream != prevNewline) {
+                PrintContext<T> context2 = context;
+                TextWriterBase<T> clone(*this);
+                Rect rect;
+
+                context2.writer = &clone;
+                oper = mTagProcessor->CalcRect(&rect, ch, &context2);
+
+                if (rect.GetWidth() > 0.0f && clone.GetCursorX() - context.x > mWidthLimit) {
+                    ch = '\n';
+                    reader.Set(prevStream);
+                    continue;
+                }
+            }
+
+            oper = mTagProcessor->Process(ch, &context);
+            if (oper == OPERATION_NEXT_LINE) {
+                if (IsDrawFlagSet(0x3, 0x1)) {
+                    int remain = len - (context.str - str);
+                    f32 width = CalcLineWidth(context.str, remain);
+                    f32 offset = (textWidth - width) / 2.0f;
+                    SetCursorX(context.x + offset);
+                } else if (IsDrawFlagSet(0x3, 0x2)) {
+                    int remain = len - (context.str - str);
+                    f32 width = CalcLineWidth(context.str, remain);
+                    f32 offset = textWidth - width;
+                    SetCursorX(context.x + offset);
+                } else {
+                    f32 width = GetCursorX() - context.x;
+                    textWidth = Max(textWidth, width);
+                    SetCursorX(context.x);
+                }
+
+                if (useLimit) {
+                    prevNewline = static_cast<const T *>(reader.GetCurrentPos());
+                }
+
+                charSpace = false;
+            } else if (oper == OPERATION_NO_CHAR_SPACE) {
+                charSpace = false;
+            } else if (oper == OPERATION_CHAR_SPACE) {
+                charSpace = true;
+            } else if (oper == OPERATION_END_DRAW) {
+                break;
+            }
+
+            reader.Set(context.str);
+        } else {
+            f32 baseY = GetCursorY();
+            if (useLimit && prevStream != prevNewline) {
+                f32 baseX = GetCursorX();
+                f32 space = charSpace ? GetCharSpace() : 0.0f;
+                f32 width = IsWidthFixed() ? GetFixedWidth() : GetFont()->GetCharWidth(ch) * GetScaleH();
+                if (baseX - cursorX + space + width > mWidthLimit) {
+                    ch = '\n';
+                    reader.Set(prevStream);
+                    continue;
+                }
+            }
+
+            if (charSpace) {
+                MoveCursorX(GetCharSpace());
+            }
+
+            charSpace = true;
+
+            const Font *font = GetFont();
+            f32 adj = -font->GetBaselinePos() * GetScaleV();
+            MoveCursorY(adj);
+            CharWriter::Print(ch);
+            SetCursorY(baseY);
+        }
+
+        if (useLimit) {
+            prevStream = static_cast<const T *>(reader.GetCurrentPos());
+        }
+
+        ch = reader.Next();
+    }
+
+    f32 width = GetCursorX() - context.x;
+    textWidth = Max(textWidth, width);
+
+    if (IsDrawFlagSet(0x300, 0x100) || IsDrawFlagSet(0x300, 0x200)) {
+        SetCursorY(orgCursorY);
+    } else {
+        MoveCursorY(cursorYAdj);
+    }
+
+    return textWidth;
+}
+
+template <typename T>
+f32 TextWriterBase<T>::AdjustCursor(f32 *x1, f32 *y1, const T *str, int len) {
+    f32 textWidth = 0.0f;
+    f32 textHeight = 0.0f;
+
+    if (!IsDrawFlagSet(0x333, 0x300) && !IsDrawFlagSet(0x333, 0)) {
+        Rect rect;
+        CalcStringRect(&rect, str, len);
+
+        textWidth = rect.left + rect.right;
+        textHeight = rect.top + rect.bottom;
+
+        if (textWidth > mWidthLimit) {
+            textWidth = mWidthLimit;
+        }
+    }
+
+    if (IsDrawFlagSet(0x30, 0x10)) {
+        *x1 -= textWidth / 2;
+    } else if (IsDrawFlagSet(0x30, 0x20)) {
+        *x1 -= textWidth;
+    }
+
+    if (IsDrawFlagSet(0x300, 0x100)) {
+        *y1 -= textHeight / 2;
+    } else if (IsDrawFlagSet(0x300, 0x200)) {
+        *y1 -= textHeight;
+    }
+
+    if (IsDrawFlagSet(0x3, 0x1)) {
+        SetCursorX(*x1 + (textWidth - CalcLineWidth(str, len)) / 2);
+    } else if (IsDrawFlagSet(0x3, 0x2)) {
+        SetCursorX(*x1 + (textWidth - CalcLineWidth(str, len)));
+    } else {
+        SetCursorX(*x1);
+    }
+
+    if (IsDrawFlagSet(0x300, 0x300)) {
+        SetCursorY(*y1);
+    } else {
+        SetCursorY(*y1 + GetFontAscent());
+    }
+
+    return textWidth;
+}
+
+template struct TextWriterBase<char>;
+template struct TextWriterBase<wchar_t>;
+
+} // namespace ut
+} // namespace nw4r