_font cache processtext entry

Source/Engine/Render2D/Font.cpp

@@ -129,6 +129,7 @@ void Font::ProcessText(const StringView& text, Array<FontLineCache>& outputLines
     FontLineCache tmpLine;
     FontCharacterEntry entry;
     FontCharacterEntry previous;
+    Array<FontCharacterEntry> CharacterEntries(textLength);
     float scale = layout.Scale / FontManager::FontScale;
     float boundsWidth = layout.Bounds.GetWidth();
     float baseLinesDistance = static_cast<float>(_height) * layout.BaseLinesGapScale * scale;
@@ -233,6 +234,7 @@ void Font::ProcessText(const StringView& text, Array<FontLineCache>& outputLines
                     break;
             }
         }
+        CharacterEntries.Add(entry);
 
         // Check if move to another line
         if (moveLine)
@@ -242,6 +244,8 @@ void Font::ProcessText(const StringView& text, Array<FontLineCache>& outputLines
             tmpLine.Size.Y = baseLinesDistance;
             tmpLine.LastCharIndex = Math::Max(tmpLine.LastCharIndex, tmpLine.FirstCharIndex);
             outputLines.Add(tmpLine);
+            outputLines.Last().CharacterEntries.Set(CharacterEntries.Get(), CharacterEntries.Count());
+            CharacterEntries.Clear();
 
             // Reset line
             tmpLine.Location.Y += baseLinesDistance;
@@ -265,6 +269,8 @@ void Font::ProcessText(const StringView& text, Array<FontLineCache>& outputLines
         tmpLine.Size.Y = baseLinesDistance;
         tmpLine.LastCharIndex = textLength - 1;
         outputLines.Add(tmpLine);
+        outputLines.Last().CharacterEntries.Set(CharacterEntries.Get(), CharacterEntries.Count());
+        CharacterEntries.Clear();
 
         tmpLine.Location.Y += baseLinesDistance;
     }

Source/Engine/Render2D/Font.h

@@ -92,6 +92,46 @@ API_STRUCT(NoDefault) struct FLAXENGINE_API FontLineCache
 {
     DECLARE_SCRIPTING_TYPE_MINIMAL(FontLineCache);
 
+    FontLineCache() = default;
+
+    FontLineCache(const FontLineCache& other)
+    {
+        Location = other.Location;
+        Size = other.Size;
+        FirstCharIndex = other.FirstCharIndex;
+        LastCharIndex = other.LastCharIndex;
+        CharacterEntries.Set(other.CharacterEntries.Get(), other.CharacterEntries.Count());
+    }
+
+    FontLineCache(FontLineCache&& other) noexcept
+    {
+        Location = other.Location;
+        Size = other.Size;
+        FirstCharIndex = other.FirstCharIndex;
+        LastCharIndex = other.LastCharIndex;
+        CharacterEntries = MoveTemp(other.CharacterEntries);
+    }
+
+    FontLineCache& operator=(const FontLineCache& other)
+    {
+        Location = other.Location;
+        Size = other.Size;
+        FirstCharIndex = other.FirstCharIndex;
+        LastCharIndex = other.LastCharIndex;
+        CharacterEntries.Set(other.CharacterEntries.Get(), other.CharacterEntries.Count());
+        return *this;
+    }
+
+    FontLineCache& operator=(FontLineCache&& other) noexcept
+    {
+        Location = other.Location;
+        Size = other.Size;
+        FirstCharIndex = other.FirstCharIndex;
+        LastCharIndex = other.LastCharIndex;
+        CharacterEntries = MoveTemp(other.CharacterEntries);
+        return *this;
+    }
+
     /// <summary>
     /// The root position of the line (upper left corner).
     /// </summary>
@@ -111,12 +151,17 @@ API_STRUCT(NoDefault) struct FLAXENGINE_API FontLineCache
     /// The last character index (from the input text), inclusive.
     /// </summary>
     API_FIELD() int32 LastCharIndex;
+
+    /// <summary>
+    /// Character entries for each character.
+    /// </summary>
+    API_FIELD() Array<struct FontCharacterEntry> CharacterEntries;
 };
 
 template<>
 struct TIsPODType<FontLineCache>
 {
-    enum { Value = true };
+    enum { Value = false };
 };
 
 // Font glyph metrics:

Source/Engine/Render2D/Render2D.cpp

@@ -1281,7 +1281,7 @@ void Render2D::DrawText(Font* font, const StringView& text, const Color& color,
     font->ProcessText(text, Lines, layout);
 
     // Render all lines
-    FontCharacterEntry entry;
+    //FontCharacterEntry entry;
     Render2DDrawCall drawCall;
     if (customMaterial)
     {
@@ -1299,6 +1299,7 @@ void Render2D::DrawText(Font* font, const StringView& text, const Color& color,
         Float2 pointer = line.Location;
 
         // Render all characters from the line
+        int32 entryIndex = 0;
         for (int32 charIndex = line.FirstCharIndex; charIndex <= line.LastCharIndex; charIndex++)
         {
             // Cache current character
@@ -1308,7 +1309,8 @@ void Render2D::DrawText(Font* font, const StringView& text, const Color& color,
             if (currentChar != '\n')
             {
                 // Get character entry
-                font->GetCharacter(currentChar, entry, enableFallbackFonts);
+                //font->GetCharacter(currentChar, entry, enableFallbackFonts);
+                const FontCharacterEntry& entry = line.CharacterEntries[entryIndex];
 
                 // 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)
@@ -1365,6 +1367,7 @@ void Render2D::DrawText(Font* font, const StringView& text, const Color& color,
                 // Move
                 pointer.X += entry.AdvanceX * scale;
             }
+            entryIndex++;
         }
     }
 }