added font rendering
This commit is contained in:
@@ -158,6 +158,8 @@ extern "C" void FunnyMain( int argc, char **argv )
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fCurrent = Plat_GetTime();
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};
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Plat_Exit(0);
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g_pClientGame->Shutdown();
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g_pServerGame->Shutdown();
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g_pRenderContext->Shutdown();
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@@ -1,23 +1,399 @@
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#include "kottui/kottui.h"
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#include "tier0/lib.h"
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#include "tier0/mem.h"
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#include "tier1/utlstring.h"
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#include "tier2/ifilesystem.h"
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#include "tier2/fileformats/json.h"
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#include "trig.h"
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struct GlyphData_t
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{
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uint32_t m_uCharacter;
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float m_fX;
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float m_fY;
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float m_fWidth;
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float m_fHeight;
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};
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class CKotRenderFont: public IKotRenderFont
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{
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public:
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virtual IImage *GetAtlas() override;
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virtual bool IsLetterPresent( uint32_t letter ) override;
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virtual float GetLetterX( uint32_t letter ) override;
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virtual float GetLetterY( uint32_t letter ) override;
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virtual float GetWidth( uint32_t letter ) override;
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virtual float GetHeight( uint32_t letter ) override;
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virtual bool IsMono() override;
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virtual uint32_t GetLetterWidth() override;
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virtual uint32_t GetLetterHeight() override;
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GlyphData_t *m_glyphs;
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uint32_t m_uGlyphCount;
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IImage *m_pAtlas;
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};
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class CKotUIBuffer: public IKotUIBuffer
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{
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public:
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virtual void SetColor( char c ) = 0;
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virtual void SetPosition( int iY, int iX ) = 0;
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virtual void Printf(const char *szFormat, ...) = 0;
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virtual void PutChar( char c ) = 0;
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virtual void Clear( char c ) = 0;
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virtual void SetPosition( int iY, int iX ) override;
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virtual void Move( int iY, int iX ) override;
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virtual void SetColor( char c ) override;
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virtual void Clear( char c ) override;
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virtual void PutChar( char c ) override;
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virtual void Printf(const char *szFormat, ...) override;
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virtual void Draw( IImage *pImage ) override;
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virtual void SetTextSize( int iY, int iX ) override;
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virtual void SetTextFont( IKotRenderFont *pFont ) override;
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uint32_t *m_buffer;
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ColorAlpha *m_primaryColor;
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ColorAlpha *m_secondaryColor;
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int m_iWidth = 0;
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int m_iHeight = 0;
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IBuffer *m_pDataBuffer;
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IMaterial *m_pMaterial;
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IRenderContext *m_pRenderContext;
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IKotRenderFont *m_pFont;
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uint32_t m_uCursor = 0;
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};
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class CKotUIManager: public IKotUIManager
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{
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public:
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virtual void SetTextSize( int iY, int iX ) = 0;
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virtual void SetTextFont( IRenderFont *pFont ) = 0;
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virtual void Init() override;
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virtual void Shutdown() override;
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virtual void ConnectInterface( void *pIface, const char *szName ) override;
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virtual void CreateBuffer( int iWidth, int iHeight, int iY, int iX ) = 0;
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virtual void Draw( IRenderContext *pRenderContext );
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virtual IKotRenderFont *LoadFont( const char *szPath ) override;
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virtual IKotUIBuffer *CreateBuffer( int iWidth, int iHeight ) override;
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virtual void DeleteBuffer( IKotUIBuffer *pBuffer ) override;
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IRenderContext *m_pRenderContext;
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ITextureArray *m_pFonts;
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};
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IKotUIManager *KotUIManager();
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static IShader *s_pShader;
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static CKotUIManager s_kotUIManager;
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static IVertexBuffer *s_pGlyphBuffer;
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IKotUIManager *KotUIManager()
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{
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return &s_kotUIManager;
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}
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EXPOSE_INTERFACE_FN(KotUIManager, IKotUIManager, KOT_UI_INTEFACE_VERSION);
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IImage *CKotRenderFont::GetAtlas()
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{
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return m_pAtlas;
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}
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bool CKotRenderFont::IsLetterPresent( uint32_t letter )
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{
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for ( int i = 0; i < m_uGlyphCount; i++ )
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{
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GlyphData_t g = m_glyphs[i];
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if (g.m_uCharacter == letter)
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return true;
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}
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return false;
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}
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float CKotRenderFont::GetLetterX( uint32_t letter )
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{
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for ( int i = 0; i < m_uGlyphCount; i++ )
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{
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GlyphData_t g = m_glyphs[i];
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if (g.m_uCharacter == letter)
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return g.m_fX;
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}
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return 0;
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}
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float CKotRenderFont::GetLetterY( uint32_t letter )
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{
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for ( int i = 0; i < m_uGlyphCount; i++ )
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{
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GlyphData_t g = m_glyphs[i];
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if (g.m_uCharacter == letter)
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return g.m_fY;
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}
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return 0;
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}
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float CKotRenderFont::GetWidth( uint32_t letter )
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{
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for ( int i = 0; i < m_uGlyphCount; i++ )
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{
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GlyphData_t g = m_glyphs[i];
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if (g.m_uCharacter == letter)
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return g.m_fWidth;
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}
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return 0;
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}
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float CKotRenderFont::GetHeight( uint32_t letter )
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{
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for ( int i = 0; i < m_uGlyphCount; i++ )
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{
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GlyphData_t g = m_glyphs[i];
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if (g.m_uCharacter == letter)
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return g.m_fHeight;
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}
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return 0;
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}
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void CKotUIBuffer::SetPosition( int iY, int iX )
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{
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}
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void CKotUIBuffer::Move( int iY, int iX )
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{
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m_uCursor = iY*m_iWidth+iX;
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m_uCursor = m_uCursor % (m_iWidth * m_iHeight);
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}
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void CKotUIBuffer::SetColor( char c )
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{
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}
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void CKotUIBuffer::Clear( char c )
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{
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}
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void CKotUIBuffer::PutChar( char c )
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{
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m_buffer[m_uCursor] = c;
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Move(0, m_uCursor+1);
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}
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void CKotUIBuffer::Printf(const char *szFormat, ...)
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{
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va_list vlArgs;
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va_start(vlArgs, szFormat);
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va_list vlArgs2;
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va_copy(vlArgs2, vlArgs);
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size_t nSize = V_vsnprintf(NULL, 0, szFormat, vlArgs2);
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va_end(vlArgs2);
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char *psz = (char*)V_malloc(nSize+1);
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va_copy(vlArgs2, vlArgs);
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V_vsnprintf(psz, nSize+1, szFormat, vlArgs2);
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for ( size_t u = 0, i = m_uCursor; u < nSize; u++, i = (i + 1 % (m_iWidth * m_iHeight)) )
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{
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m_buffer[i] = psz[u];
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}
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va_end(vlArgs2);
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V_free(psz);
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va_end(vlArgs);
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Move(0, m_uCursor+1);
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}
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struct TextDrawData_t
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{
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float m_vTexcoordOffsetX;
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float m_vTexcoordOffsetY;
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float m_vTexcoordSizeX;
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float m_vTexcoordSizeY;
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float m_fPosX;
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float m_fPosY;
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float m_fSizeX;
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float m_fSizeY;
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float m_fColor[4];
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float m_fColor2[4];
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};
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struct ScreenData_t
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{
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float m_fScreenSizeX;
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float m_fScreenSizeY;
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};
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void CKotUIBuffer::Draw( IImage *pImage )
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{
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uint32_t uGlyphCount = m_iWidth*m_iHeight;
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uint32_t uRealGlyphCount = 0;
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IRenderCommandList *pList = m_pRenderContext->CreateCommandList();
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pList->StartRecording();
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m_pDataBuffer->Lock();
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TextDrawData_t *pData = (TextDrawData_t*)m_pDataBuffer->Map();
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for ( uint32_t i = 0; i < uGlyphCount; i++ )
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{
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uint32_t l = m_buffer[i];
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if ( !m_pFont->IsLetterPresent(l) )
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continue;
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pData[uRealGlyphCount].m_vTexcoordOffsetX = m_pFont->GetLetterX(l);
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pData[uRealGlyphCount].m_vTexcoordOffsetY = m_pFont->GetLetterY(l);
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pData[uRealGlyphCount].m_vTexcoordSizeX = m_pFont->GetWidth(l);
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pData[uRealGlyphCount].m_vTexcoordSizeY = m_pFont->GetHeight(l);
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pData[uRealGlyphCount].m_fSizeX = 16;
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pData[uRealGlyphCount].m_fSizeY = 16;
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pData[uRealGlyphCount].m_fPosX = i%m_iWidth*16;
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pData[uRealGlyphCount].m_fPosY = i/m_iWidth*16;
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uRealGlyphCount++;
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}
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m_pDataBuffer->Unmap();
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m_pDataBuffer->Unlock();
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IBuffer *pScreenBuffer = m_pRenderContext->CreateConstantBuffer(sizeof(ScreenData_t));
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pScreenBuffer->Lock();
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ScreenData_t *pScreenData = (ScreenData_t*)pScreenBuffer->Map();
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pScreenData->m_fScreenSizeX = pImage->GetImageWidth();
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pScreenData->m_fScreenSizeY = pImage->GetImageHeight();
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pScreenBuffer->Unmap();
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pScreenBuffer->Unlock();
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m_pMaterial = m_pRenderContext->CreateMaterial(s_pShader);
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m_pMaterial->PSSetShaderResource(0, m_pDataBuffer);
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m_pMaterial->PSSetShaderResource(1, pScreenBuffer);
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m_pMaterial->PSSetTexture(2, m_pFont->GetAtlas());
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m_pMaterial->PSSetSampler(3, m_pRenderContext->GetDefaultSampler());
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pList->SetRenderTarget(0, pImage);
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pList->SetLoadStoreModes(0, LOAD_MODE_LOAD, STORE_MODE_STORE);
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pList->SetRenderResolution(pImage->GetImageWidth(), pImage->GetImageHeight());
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pList->SetMaterial(m_pMaterial);
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pList->SetVertexBuffer(0, s_pGlyphBuffer);
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pList->DrawPrimitives(6, 0, uRealGlyphCount, 0);
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pList->EndRecording();
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m_pRenderContext->SubmitCommandList(pList);
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}
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void CKotUIBuffer::SetTextSize( int iY, int iX )
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{
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}
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void CKotUIBuffer::SetTextFont( IKotRenderFont *pFont )
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{
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m_pFont = pFont;
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}
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void CKotUIManager::Init()
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{
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s_pShader = m_pRenderContext->CreateShader("game/core/shaders/kottui.shader_c");
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s_pShader->AddLayout(0, 8);
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s_pShader->AddAttribute(0, 0, VERTEX_FORMAT_XY32_SFLOAT, 0);
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s_pShader->AddOutputImage(0, IMAGE_FORMAT_RGBA8_UNORM);
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s_pShader->Build();
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s_pGlyphBuffer = m_pRenderContext->CreateVertexBuffer(sizeof(float)*12);
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void *pBuffer = s_pGlyphBuffer->Map();
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float vertices[12] = {
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0, 0,
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0, 1,
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1, 0,
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1, 0,
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0, 1,
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1, 1,
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};
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V_memcpy(pBuffer, vertices, sizeof(vertices));
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s_pGlyphBuffer->Unmap();
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m_pFonts = m_pRenderContext->CreateTextureArray();
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}
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void CKotUIManager::Shutdown()
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{
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}
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void CKotUIManager::ConnectInterface( void *pFace, const char *psz )
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{
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if (!V_strcmp(psz, RENDER_CONTEXT_INTERFACE_VERSION))
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m_pRenderContext = (IRenderContext*)pFace;
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}
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IKotRenderFont *CKotUIManager::LoadFont( const char *szPath )
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{
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CUtlString szAtlas = CUtlString("%s.png", szPath);
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CUtlString szMeta = CUtlString("%s.fmd", szPath);
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IFileHandle *pMetadataFile = filesystem->Open(szMeta, FILEMODE_READ);
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if (!pMetadataFile)
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return NULL;
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const char *szMetadata = filesystem->ReadString(pMetadataFile);
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filesystem->Close(pMetadataFile);
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IJSONValue *pValue = JSONManager()->ReadString(szMetadata);
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IJSONArray *pGlyphs = pValue->GetObject()->GetValue("glyphs")->GetArray();
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uint32_t uAtlas = m_pFonts->LoadTexture(szAtlas);
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CKotRenderFont *pFont = new CKotRenderFont;
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pFont->m_pAtlas = pFont->m_pAtlas = m_pFonts->GetTexture(uAtlas);
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uint32_t atlasWidth = pValue->GetObject()->GetValue("atlas")->GetObject()->GetValue("width")->GetNumberValue();
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uint32_t atlasHeight = pValue->GetObject()->GetValue("atlas")->GetObject()->GetValue("height")->GetNumberValue();
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pFont->m_uGlyphCount = 0;
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pFont->m_glyphs = (GlyphData_t*)V_malloc(sizeof(GlyphData_t)*pGlyphs->GetCount());
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for ( uint32_t i = 0; i < pGlyphs->GetCount(); i++ )
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{
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GlyphData_t glyph = {};
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IJSONObject *pGlyph = pGlyphs->GetParameter(i)->GetObject();
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if (pGlyph->GetValue("atlasBounds") == NULL)
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continue;
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IJSONObject *pAtlasBounds = pGlyph->GetValue("atlasBounds")->GetObject();
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glyph.m_uCharacter = pGlyph->GetValue("unicode")->GetNumberValue();
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glyph.m_fX = pAtlasBounds->GetValue("left")->GetNumberValue()/atlasWidth;
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glyph.m_fY = 1-(pAtlasBounds->GetValue("bottom")->GetNumberValue()/atlasHeight);
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glyph.m_fWidth = (
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pAtlasBounds->GetValue("right")->GetNumberValue()
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- pAtlasBounds->GetValue("left")->GetNumberValue()
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) / atlasWidth;
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glyph.m_fHeight = (
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pAtlasBounds->GetValue("bottom")->GetNumberValue()
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- pAtlasBounds->GetValue("top")->GetNumberValue()
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) / atlasHeight;
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pFont->m_glyphs[pFont->m_uGlyphCount++] = glyph;
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}
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return pFont;
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}
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IKotUIBuffer *CKotUIManager::CreateBuffer( int iWidth, int iHeight )
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{
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CKotUIBuffer *pBuffer = new CKotUIBuffer;
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pBuffer->m_pRenderContext = m_pRenderContext;
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pBuffer->m_buffer = (uint32_t*)V_malloc(sizeof(uint32_t)*iWidth*iHeight);
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V_memset(pBuffer->m_buffer, 0, sizeof(uint32_t)*iWidth*iHeight);
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pBuffer->m_iWidth = iWidth;
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pBuffer->m_iHeight = iHeight;
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pBuffer->m_pDataBuffer = m_pRenderContext->CreateStorageBuffer(sizeof(TextDrawData_t)*iWidth*iHeight);
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return pBuffer;
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}
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void CKotUIManager::DeleteBuffer( IKotUIBuffer *pBuffer )
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{
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}
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