mirror of https://github.com/AxioDL/metaforce.git
241 lines
7.1 KiB
C++
241 lines
7.1 KiB
C++
#include "Runtime/GuiSys/CRasterFont.hpp"
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#include <algorithm>
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#include "Runtime/CSimplePool.hpp"
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#include "Runtime/Graphics/CGX.hpp"
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#include "Runtime/Graphics/CTexture.hpp"
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#include "Runtime/GuiSys/CDrawStringOptions.hpp"
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#include "Runtime/GuiSys/CTextRenderBuffer.hpp"
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namespace metaforce {
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CRasterFont::CRasterFont(metaforce::CInputStream& in, metaforce::IObjectStore& store) {
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u32 magic = 0;
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in.Get(reinterpret_cast<u8*>(&magic), 4);
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if (magic != SBIG('FONT'))
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return;
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u32 version = in.ReadLong();
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x4_monoWidth = in.ReadLong();
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x8_monoHeight = in.ReadLong();
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if (version >= 1)
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x8c_baseline = in.ReadLong();
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else
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x8c_baseline = x8_monoHeight;
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if (version >= 2)
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x90_lineMargin = in.ReadLong();
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bool tmp1 = in.ReadBool();
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bool tmp2 = in.ReadBool();
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u32 tmp3 = in.ReadLong();
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u32 tmp4 = in.ReadLong();
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std::string name = in.Get<std::string>();
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u32 txtrId = (version == 5 ? in.ReadLongLong() : in.ReadLong());
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x30_fontInfo = CFontInfo(tmp1, tmp2, tmp3, tmp4, name.c_str());
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x80_texture = store.GetObj({FOURCC('TXTR'), txtrId});
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x2c_mode = CTexture::EFontType(in.ReadLong());
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u32 glyphCount = in.ReadLong();
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xc_glyphs.reserve(glyphCount);
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for (u32 i = 0; i < glyphCount; ++i) {
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char16_t chr = in.ReadShort();
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float startU = in.ReadFloat();
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float startV = in.ReadFloat();
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float endU = in.ReadFloat();
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float endV = in.ReadFloat();
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s32 layer = 0;
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s32 a, b, c, cellWidth, cellHeight, baseline, kernStart;
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if (version < 4) {
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a = in.ReadInt32();
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b = in.ReadInt32();
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c = in.ReadInt32();
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cellWidth = in.ReadInt32();
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cellHeight = in.ReadInt32();
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baseline = in.ReadInt32();
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kernStart = in.ReadInt32();
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} else {
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layer = in.ReadInt8();
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a = in.ReadInt8();
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b = in.ReadInt8();
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c = in.ReadInt8();
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cellWidth = in.ReadInt8();
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cellHeight = in.ReadInt8();
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baseline = in.ReadInt8();
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kernStart = in.ReadInt16();
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}
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xc_glyphs.emplace_back(
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chr, CGlyph(a, b, c, startU, startV, endU, endV, cellWidth, cellHeight, baseline, kernStart, layer));
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}
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std::sort(xc_glyphs.begin(), xc_glyphs.end(), [=](auto& a, auto& b) -> bool { return a.first < b.first; });
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u32 kernCount = in.ReadLong();
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x1c_kerning.reserve(kernCount);
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for (u32 i = 0; i < kernCount; ++i) {
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char16_t first = in.ReadShort();
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char16_t second = in.ReadShort();
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s32 howMuch = in.ReadInt32();
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x1c_kerning.emplace_back(first, second, howMuch);
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}
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if (magic == SBIG('FONT') && version <= 4)
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x0_initialized = true;
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}
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const CGlyph* CRasterFont::InternalGetGlyph(char16_t chr) const {
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const auto iter =
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std::find_if(xc_glyphs.cbegin(), xc_glyphs.cend(), [chr](const auto& entry) { return entry.first == chr; });
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if (iter == xc_glyphs.cend()) {
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return nullptr;
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}
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return &iter->second;
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}
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void CRasterFont::SinglePassDrawString(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout,
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CTextRenderBuffer* renderBuf, const char16_t* str, s32 length) const {
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if (!x0_initialized)
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return;
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const char16_t* chr = str;
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const CGlyph* prevGlyph = nullptr;
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while (*chr != u'\0') {
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const CGlyph* glyph = GetGlyph(*chr);
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if (glyph) {
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if (opts.x0_direction == ETextDirection::Horizontal) {
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x += glyph->GetLeftPadding();
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if (prevGlyph != nullptr) {
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x += KernLookup(x1c_kerning, prevGlyph->GetKernStart(), *chr);
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}
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int left = 0;
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int top = 0;
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if (renderBuf) {
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left += x;
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top += y - glyph->GetBaseline();
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renderBuf->AddCharacter(zeus::CVector2i(left, top), *chr, opts.x4_colors[2]);
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}
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x += glyph->GetRightPadding() + glyph->GetAdvance();
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}
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}
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prevGlyph = glyph;
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chr++;
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if (length == -1)
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continue;
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if ((chr - str) >= length)
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break;
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}
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xout = x;
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yout = y;
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}
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void CRasterFont::DrawSpace(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout, int len) const {
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if (opts.x0_direction != ETextDirection::Horizontal)
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return;
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xout = x + len;
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yout = y;
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}
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void CRasterFont::DrawString(const CDrawStringOptions& opts, int x, int y, int& xout, int& yout,
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CTextRenderBuffer* renderBuf, const char16_t* str, int len) const {
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if (!x0_initialized)
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return;
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if (renderBuf != nullptr) {
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CGraphicsPalette pal(EPaletteFormat::RGB5A3, 4);
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u16* data = pal.Lock();
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data[0] = bswap16(zeus::CColor(0.f, 0.f, 0.f, 0.f).toRGB5A3());
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data[1] = bswap16(opts.x4_colors[0].toRGB5A3());
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data[2] = bswap16(opts.x4_colors[1].toRGB5A3());
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data[3] = bswap16(zeus::CColor(0.f, 0.f, 0.f, 0.f).toRGB5A3());
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pal.UnLock();
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renderBuf->AddPaletteChange(pal);
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}
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SinglePassDrawString(opts, x, y, xout, yout, renderBuf, str, len);
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}
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void CRasterFont::GetSize(const CDrawStringOptions& opts, int& width, int& height, const char16_t* str, int len) const {
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width = 0;
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height = 0;
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const char16_t* chr = str;
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const CGlyph* prevGlyph = nullptr;
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int prevWidth = 0;
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while (*chr != u'\0') {
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const CGlyph* glyph = GetGlyph(*chr);
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if (glyph) {
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if (opts.x0_direction == ETextDirection::Horizontal) {
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int advance = 0;
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if (prevGlyph)
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advance = KernLookup(x1c_kerning, prevGlyph->GetKernStart(), *chr);
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int curWidth = prevWidth + (glyph->GetLeftPadding() + glyph->GetAdvance() + glyph->GetRightPadding() + advance);
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int curHeight = glyph->GetBaseline() - (x8_monoHeight + glyph->GetCellHeight());
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width = curWidth;
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prevWidth = curWidth;
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if (curHeight > height)
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height = curHeight;
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}
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}
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prevGlyph = glyph;
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chr++;
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if (len == -1)
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continue;
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if ((chr - str) >= len)
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break;
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}
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}
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bool CRasterFont::IsFinishedLoading() const {
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if (!x80_texture || !x80_texture.IsLoaded())
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return false;
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return true;
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}
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void CRasterFont::SetupRenderState() {
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static const GX::VtxDescList skDescList[3] = {
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{GX::VA_POS, GX::DIRECT},
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{GX::VA_TEX0, GX::DIRECT},
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{GX::VA_NULL, GX::NONE}
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};
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x80_texture->Load(GX::TEXMAP0, EClampMode::Clamp);
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CGX::SetTevKAlphaSel(GX::TEVSTAGE0, GX::TEV_KASEL_K0_A);
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CGX::SetTevKColorSel(GX::TEVSTAGE0, GX::TEV_KCSEL_K0);
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CGX::SetTevColorIn(GX::TEVSTAGE0, GX::CC_ZERO, GX::CC_TEXC, GX::CC_KONST, GX::CC_ZERO);
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CGX::SetTevAlphaIn(GX::TEVSTAGE0, GX::CA_ZERO, GX::CA_TEXA, GX::CA_KONST, GX::CA_ZERO);
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CGX::SetStandardTevColorAlphaOp(GX::TEVSTAGE0);
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CGX::SetTevDirect(GX::TEVSTAGE0);
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CGX::SetVtxDescv(skDescList);
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CGX::SetNumChans(0);
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CGX::SetNumTexGens(1);
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CGX::SetNumTevStages(1);
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CGX::SetNumIndStages(0);
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CGX::SetTevOrder(GX::TEVSTAGE0, GX::TEXCOORD0, GX::TEXMAP0, GX::COLOR_NULL);
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CGX::SetTexCoordGen(GX::TEXCOORD0, GX::TG_MTX2x4, GX::TG_TEX0, GX::IDENTITY, false, GX::PTIDENTITY);
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}
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std::unique_ptr<IObj> FRasterFontFactory([[maybe_unused]] const SObjectTag& tag, CInputStream& in,
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const CVParamTransfer& vparms, [[maybe_unused]] CObjectReference* selfRef) {
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CSimplePool* sp = vparms.GetOwnedObj<CSimplePool*>();
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return TToken<CRasterFont>::GetIObjObjectFor(std::make_unique<CRasterFont>(in, *sp));
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}
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} // namespace metaforce
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