Font.hpp

#ifndef FONT_H
#define FONT_H

namespace ae3d
{
    namespace FileSystem
    {
        struct FileContentsData;
    }
    
    class Font
    {
      public:
        Font();
        
        void LoadBMFont( class Texture2D* fontTex, const FileSystem::FileContentsData& metaData );
        
        Texture2D* GetTexture() { return texture; }
        
        int TextWidth( const char* text ) const;
        
      private:
        friend class TextRendererComponent;

        struct Character
        {
            float x = 0, y = 0;
            float width = 0, height = 0;
            float xOffset = 0, yOffset = 0;
            float xAdvance = 0;
        };

        void CreateVertexBuffer( const char* text, const struct Vec4& color, class VertexBuffer& outVertexBuffer ) const;

        void LoadBMFontMetaText(const FileSystem::FileContentsData& metaData);
        
        void LoadBMFontMetaBinary(const FileSystem::FileContentsData& metaData);
        
        int spacing[ 2 ];
        
        int padding[ 4 ];
        
        int lineHeight = 32;
        
        int base = 32;
        
        Character chars[ 256 ];
        Texture2D* texture = nullptr;
    };
}

#endif