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Add multifont rendering to editor

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This commit is contained in:
ExMatics HydrogenC
2023-11-30 13:41:45 +08:00
parent a3bc394e4e
commit 41bbce56f6
69 changed files with 1132 additions and 647 deletions
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72
Source/Engine/Render2D/Render2D.cpp
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@@ -1370,10 +1370,11 @@ void Render2D::DrawText(Font* font, const StringView& text, const TextRange& tex
DrawText(font, textRange.Substring(text), color, layout, customMaterial);
}
void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const Color& color, const Float2& location, MaterialBase* customMaterial)
void Render2D::DrawText(MultiFont* multiFont, const StringView& text, const Color& color, const Float2& location, MaterialBase* customMaterial)
{
RENDER2D_CHECK_RENDERING_STATE;
const Array<Font*>& fonts = multiFont->GetFonts();
// Check if there is no need to do anything
if (fonts.IsEmpty() || text.Length() < 0)
return;
@@ -1408,7 +1409,7 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
for (int32 currentIndex = 0; currentIndex < text.Length(); currentIndex++)
{
if (text[currentIndex] != '\n') {
int32 fontIndex = Font::GetCharFontIndex(fonts, text[currentIndex], 0);
int32 fontIndex = multiFont->GetCharFontIndex(text[currentIndex], 0);
maxAscenders[lineIndex] = Math::Max(maxAscenders[lineIndex], static_cast<float>(fonts[fontIndex]->GetAscender()));
}
else {
@@ -1418,12 +1419,12 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
}
lineIndex = 0;
// The following code cut the text into segments, according to the font used to render
// The following code cut the text into blocks, according to the font used to render
Float2 pointer = location;
// The starting index of the current segment
// The starting index of the current block
int32 startIndex = 0;
// The index of the font used by the current segment
int32 currentFontIndex = Font::GetCharFontIndex(fonts, text[0], 0);
// The index of the font used by the current block
int32 currentFontIndex = multiFont->GetCharFontIndex(text[0], 0);
// The maximum font height of the current line
float maxHeight = 0;
for (int32 currentIndex = 0; currentIndex < text.Length(); currentIndex++)
@@ -1431,13 +1432,13 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
// Cache current character
const Char currentChar = text[currentIndex];
int32 nextCharIndex = currentIndex + 1;
bool moveSegment = false;
bool moveBlock = false;
bool moveLine = false;
int32 nextFontIndex = currentFontIndex;
// Submit segment if text ends
// Submit block if text ends
if (nextCharIndex == text.Length()) {
moveSegment = true;
moveBlock = true;
}
// Check if it isn't a newline character
@@ -1445,21 +1446,21 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
{
// Get character entry
if (nextCharIndex < text.Length()) {
nextFontIndex = Font::GetCharFontIndex(fonts, text[nextCharIndex], currentFontIndex);
nextFontIndex = multiFont->GetCharFontIndex(text[nextCharIndex], currentFontIndex);
}
if (nextFontIndex != currentFontIndex) {
moveSegment = true;
moveBlock = true;
}
}
else
{
// Move
moveLine = moveSegment = true;
moveLine = moveBlock = true;
}
if (moveSegment) {
// Render the pending segment before beginning the new segment
if (moveBlock) {
// Render the pending block before beginning the new block
auto fontHeight = fonts[currentFontIndex]->GetHeight();
maxHeight = Math::Max(maxHeight, static_cast<float>(fontHeight));
auto fontDescender = fonts[currentFontIndex]->GetDescender();
@@ -1533,22 +1534,23 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
lineIndex++;
}
// Start new segment
// Start new block
startIndex = nextCharIndex;
currentFontIndex = nextFontIndex;
}
}
}
void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const TextRange& textRange, const Color& color, const Float2& location, MaterialBase* customMaterial)
void Render2D::DrawText(MultiFont* multiFont, const StringView& text, const TextRange& textRange, const Color& color, const Float2& location, MaterialBase* customMaterial)
{
DrawText(fonts, textRange.Substring(text), color, location, customMaterial);
DrawText(multiFont, textRange.Substring(text), color, location, customMaterial);
}
void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const Color& color, const TextLayoutOptions& layout, MaterialBase* customMaterial)
void Render2D::DrawText(MultiFont* multiFont, const StringView& text, const Color& color, const TextLayoutOptions& layout, MaterialBase* customMaterial)
{
RENDER2D_CHECK_RENDERING_STATE;
const Array<Font*>& fonts = multiFont->GetFonts();
// Check if there is no need to do anything
if (fonts.IsEmpty() || text.IsEmpty() || layout.Scale <= ZeroTolerance)
return;
@@ -1563,7 +1565,7 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
// Process text to get lines
MultiFontLines.Clear();
Font::ProcessText(fonts, text, MultiFontLines, layout);
multiFont->ProcessText(text, MultiFontLines, layout);
// Render all lines
FontCharacterEntry entry;
@@ -1582,14 +1584,14 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
for (int32 lineIndex = 0; lineIndex < MultiFontLines.Count(); lineIndex++)
{
const MultiFontLineCache& line = MultiFontLines[lineIndex];
for (int32 segmentIndex = 0; segmentIndex < line.Segments.Count(); segmentIndex++)
for (int32 blockIndex = 0; blockIndex < line.Blocks.Count(); blockIndex++)
{
const MultiFontSegmentCache& segment = MultiFontLines[lineIndex].Segments[segmentIndex];
auto fontHeight = fonts[segment.FontIndex]->GetHeight();
auto fontDescender = fonts[segment.FontIndex]->GetDescender();
Float2 pointer = line.Location + segment.Location;
const MultiFontBlockCache& block = MultiFontLines[lineIndex].Blocks[blockIndex];
auto fontHeight = fonts[block.FontIndex]->GetHeight();
auto fontDescender = fonts[block.FontIndex]->GetDescender();
Float2 pointer = line.Location + block.Location;
for (int32 charIndex = segment.FirstCharIndex; charIndex <= segment.LastCharIndex; charIndex++)
for (int32 charIndex = block.FirstCharIndex; charIndex <= block.LastCharIndex; charIndex++)
{
Char c = text[charIndex];
if (c == '\n')
@@ -1598,7 +1600,7 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
}
// Get character entry
fonts[segment.FontIndex]->GetCharacter(c, entry);
fonts[block.FontIndex]->GetCharacter(c, entry);
// Check if need to select/change font atlas (since characters even in the same font may be located in different atlases)
if (fontAtlas == nullptr || entry.TextureIndex != fontAtlasIndex)
@@ -1623,7 +1625,7 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
const bool isWhitespace = StringUtils::IsWhitespace(c);
if (!isWhitespace && previous.IsValid)
{
kerning = fonts[segment.FontIndex]->GetKerning(previous.Character, entry.Character);
kerning = fonts[block.FontIndex]->GetKerning(previous.Character, entry.Character);
}
else
{
@@ -1659,9 +1661,9 @@ void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const
}
}
void Render2D::DrawText(const Array<Font*>& fonts, const StringView& text, const TextRange& textRange, const Color& color, const TextLayoutOptions& layout, MaterialBase* customMaterial)
void Render2D::DrawText(MultiFont* multiFont, const StringView& text, const TextRange& textRange, const Color& color, const TextLayoutOptions& layout, MaterialBase* customMaterial)
{
DrawText(fonts, textRange.Substring(text), color, layout, customMaterial);
DrawText(multiFont, textRange.Substring(text), color, layout, customMaterial);
}
FORCE_INLINE bool NeedAlphaWithTint(const Color& color)
@@ -2165,22 +2167,22 @@ void Render2D::DrawBezier(const Float2& p1, const Float2& p2, const Float2& p3,
{
RENDER2D_CHECK_RENDERING_STATE;
// Find amount of segments to use
// Find amount of blocks to use
const Float2 d1 = p2 - p1;
const Float2 d2 = p3 - p2;
const Float2 d3 = p4 - p3;
const float len = d1.Length() + d2.Length() + d3.Length();
const int32 segmentCount = Math::Clamp(Math::CeilToInt(len * 0.05f), 1, 100);
const float segmentCountInv = 1.0f / segmentCount;
const int32 blockCount = Math::Clamp(Math::CeilToInt(len * 0.05f), 1, 100);
const float blockCountInv = 1.0f / blockCount;
// Draw segmented curve
// Draw blocked curve
Float2 p;
AnimationUtils::Bezier(p1, p2, p3, p4, 0, p);
Lines2.Clear();
Lines2.Add(p);
for (int32 i = 1; i <= segmentCount; i++)
for (int32 i = 1; i <= blockCount; i++)
{
const float t = i * segmentCountInv;
const float t = i * blockCountInv;
AnimationUtils::Bezier(p1, p2, p3, p4, t, p);
Lines2.Add(p);
}