Alibek Omarov
6 years ago
7 changed files with 199 additions and 473 deletions
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/*
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vgui_main.h - vgui main header |
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Copyright (C) 2011 Uncle Mike |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#ifndef VGUI_MAIN_H |
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#define VGUI_MAIN_H |
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#include<VGUI.h> |
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#include<VGUI_App.h> |
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#include<VGUI_Font.h> |
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#include<VGUI_Panel.h> |
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#include<VGUI_Cursor.h> |
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#include<VGUI_SurfaceBase.h> |
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#include<VGUI_InputSignal.h> |
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#include<VGUI_MouseCode.h> |
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#include<VGUI_KeyCode.h> |
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using namespace vgui; |
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struct PaintStack |
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{ |
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Panel *m_pPanel; |
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int iTranslateX; |
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int iTranslateY; |
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int iScissorLeft; |
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int iScissorRight; |
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int iScissorTop; |
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int iScissorBottom; |
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}; |
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class CEngineSurface : public SurfaceBase |
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{ |
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private: |
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void InitVertex( vpoint_t &vertex, int x, int y, float u, float v ); |
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public: |
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CEngineSurface( Panel *embeddedPanel ); |
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~CEngineSurface(); |
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public: |
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// not used in engine instance
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virtual bool setFullscreenMode( int wide, int tall, int bpp ) { return false; } |
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virtual void setWindowedMode( void ) { } |
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virtual void setTitle( const char *title ) { } |
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virtual void createPopup( Panel* embeddedPanel ) { } |
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virtual bool isWithin( int x, int y ) { return true; } |
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void SetupPaintState( const PaintStack *paintState ); |
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#ifdef NEW_VGUI_DLL |
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virtual void GetMousePos( int &x, int &y ) { } |
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#endif |
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virtual bool hasFocus( void ) { return true; } |
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protected: |
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virtual int createNewTextureID( void ); |
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virtual void drawSetColor( int r, int g, int b, int a ); |
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virtual void drawSetTextColor( int r, int g, int b, int a ); |
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virtual void drawFilledRect( int x0, int y0, int x1, int y1 ); |
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virtual void drawOutlinedRect( int x0,int y0,int x1,int y1 ); |
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virtual void drawSetTextFont( Font *font ); |
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virtual void drawSetTextPos( int x, int y ); |
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virtual void drawPrintText( const char* text, int textLen ); |
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virtual void drawSetTextureRGBA( int id, const char* rgba, int wide, int tall ); |
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virtual void drawSetTexture( int id ); |
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virtual void drawTexturedRect( int x0, int y0, int x1, int y1 ); |
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virtual void drawPrintChar( int x, int y, int wide, int tall, float s0, float t0, float s1, float t1, int color[4] ); |
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virtual void addCharToBuffer( const vpoint_t *ul, const vpoint_t *lr, int color[4] ); |
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virtual void setCursor( Cursor* cursor ); |
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virtual void pushMakeCurrent( Panel* panel, bool useInsets ); |
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virtual void popMakeCurrent( Panel* panel ); |
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// not used in engine instance
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virtual bool createPlat( void ) { return false; } |
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virtual bool recreateContext( void ) { return false; } |
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virtual void enableMouseCapture( bool state ) { } |
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virtual void invalidate( Panel *panel ) { } |
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virtual void setAsTopMost( bool state ) { } |
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virtual void applyChanges( void ) { } |
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virtual void swapBuffers( void ) { } |
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virtual void flushBuffer( void ); |
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protected: |
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int _drawTextPos[2]; |
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int _drawColor[4]; |
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int _drawTextColor[4]; |
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int _translateX, _translateY; |
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int _currentTexture; |
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Panel *currentPanel; |
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}; |
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// initialize VGUI::App as external (part of engine)
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class CEngineApp : public App |
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{ |
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public: |
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virtual void main( int argc, char* argv[] ) { } |
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virtual void setCursorPos( int x, int y ); // we need to recompute abs position to window
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virtual void getCursorPos( int &x,int &y ); |
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protected: |
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virtual void platTick(void) { } |
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}; |
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extern Panel *rootPanel; |
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extern CEngineSurface *engSurface; |
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extern CEngineApp *engApp; |
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//
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// vgui_input.cpp
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//
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void VGUI_InitCursors( void ); |
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void VGUI_CursorSelect( Cursor *cursor ); |
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void VGUI_ActivateCurrentCursor( void ); |
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#endif//VGUI_MAIN_H
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@ -1,185 +0,0 @@ |
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/*
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vgui_font.cpp - fonts management |
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Copyright (C) 2011 Uncle Mike |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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In addition, as a special exception, the author gives permission |
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to link the code of this program with VGUI library developed by |
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Valve, L.L.C ("Valve"). You must obey the GNU General Public License |
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in all respects for all of the code used other than VGUI library. |
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If you modify this file, you may extend this exception to your |
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version of the file, but you are not obligated to do so. If |
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you do not wish to do so, delete this exception statement |
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from your version. |
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*/ |
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#include "vgui_main.h" |
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int FontCache::s_pFontPageSize[FONT_PAGE_SIZE_COUNT] = { 16, 32, 64, 128 }; |
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FontCache::FontCache() : m_CharCache( 0, 256, CacheEntryLessFunc ) |
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{ |
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CacheEntry_t listHead = { 0, 0 }; |
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m_LRUListHeadIndex = m_CharCache.Insert( listHead ); |
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m_CharCache[m_LRUListHeadIndex].nextEntry = m_LRUListHeadIndex; |
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m_CharCache[m_LRUListHeadIndex].prevEntry = m_LRUListHeadIndex; |
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for( int i = 0; i < FONT_PAGE_SIZE_COUNT; i++ ) |
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{ |
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m_pCurrPage[i] = -1; |
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} |
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} |
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bool FontCache::CacheEntryLessFunc( CacheEntry_t const &lhs, CacheEntry_t const &rhs ) |
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{ |
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if( lhs.font < rhs.font ) |
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return true; |
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else if( lhs.font > rhs.font ) |
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return false; |
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return ( lhs.ch < rhs.ch ); |
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} |
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bool FontCache::GetTextureForChar( Font *font, char ch, int *textureID, float **texCoords ) |
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{ |
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static CacheEntry_t cacheitem; |
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cacheitem.font = font; |
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cacheitem.ch = ch; |
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Assert( texCoords != NULL ); |
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*texCoords = cacheitem.texCoords; |
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HCacheEntry cacheHandle = m_CharCache.Find( cacheitem ); |
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if( cacheHandle != 65535 && m_CharCache.IsValidIndex( cacheHandle )) |
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{ |
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// we have an entry already, return that
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int page = m_CharCache[cacheHandle].page; |
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*textureID = m_PageList[page].textureID; |
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//else return false;
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*texCoords = m_CharCache[cacheHandle].texCoords; |
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return true; |
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} |
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// get the char details
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int fontTall = font->getTall(); |
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int a, b, c; |
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font->getCharABCwide( (byte)ch, a, b, c ); |
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int fontWide = b; |
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// get a texture to render into
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int page, drawX, drawY, twide, ttall; |
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if( !AllocatePageForChar( fontWide, fontTall, page, drawX, drawY, twide, ttall )) |
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return false; |
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// create a buffer and render the character into it
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int nByteCount = s_pFontPageSize[FONT_PAGE_SIZE_COUNT-1] * s_pFontPageSize[FONT_PAGE_SIZE_COUNT-1] * 4; |
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byte * rgba = (byte *)g_api->EngineMalloc(nByteCount);//(byte *)Z_Malloc( nByteCount );
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font->getCharRGBA( (byte)ch, 0, 0, fontWide, fontTall, rgba ); |
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// upload the new sub texture
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g_api->BindTexture( m_PageList[page].textureID ); |
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g_api->UploadTextureBlock( m_PageList[page].textureID, drawX, drawY, rgba, fontWide, fontTall ); |
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// set the cache info
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cacheitem.page = page; |
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cacheitem.texCoords[0] = (float)((double)drawX / ((double)twide)); |
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cacheitem.texCoords[1] = (float)((double)drawY / ((double)ttall)); |
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cacheitem.texCoords[2] = (float)((double)(drawX + fontWide) / (double)twide); |
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cacheitem.texCoords[3] = (float)((double)(drawY + fontTall) / (double)ttall); |
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m_CharCache.Insert( cacheitem ); |
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// return the data
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*textureID = m_PageList[page].textureID; |
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// memcpy( texCoords, cacheitem.texCoords, sizeof( float ) * 4 );
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return true; |
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} |
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int FontCache::ComputePageType( int charTall ) const |
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{ |
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for( int i = 0; i < FONT_PAGE_SIZE_COUNT; i++ ) |
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{ |
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if( charTall < s_pFontPageSize[i] ) |
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return i; |
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} |
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return -1; |
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} |
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bool FontCache::AllocatePageForChar( int charWide, int charTall, int &pageIndex, int &drawX, int &drawY, int &twide, int &ttall ) |
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{ |
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// see if there is room in the last page for this character
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int nPageType = ComputePageType( charTall ); |
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if( nPageType < 0 ) |
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return false; |
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pageIndex = m_pCurrPage[nPageType]; |
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int nNextX = 0; |
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bool bNeedsNewPage = true; |
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if( pageIndex > -1 ) |
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{ |
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Page_t &page = m_PageList[pageIndex]; |
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nNextX = page.nextX + charWide; |
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// make sure we have room on the current line of the texture page
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if( nNextX > page.wide ) |
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{ |
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// move down a line
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page.nextX = 0; |
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nNextX = charWide; |
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page.nextY += page.fontHeight + 1; |
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} |
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bNeedsNewPage = (( page.nextY + page.fontHeight + 1 ) > page.tall ); |
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} |
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if( bNeedsNewPage ) |
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{ |
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// allocate a new page
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pageIndex = m_PageList.AddToTail(); |
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Page_t &newPage = m_PageList[pageIndex]; |
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m_pCurrPage[nPageType] = pageIndex; |
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newPage.textureID = g_api->GenerateTexture(); |
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newPage.fontHeight = s_pFontPageSize[nPageType]; |
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newPage.wide = 256; |
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newPage.tall = 256; |
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newPage.nextX = 0; |
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newPage.nextY = 0; |
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nNextX = charWide; |
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// create empty texture
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g_api->CreateTexture( newPage.textureID, 256, 256 ); |
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} |
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// output the position
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Page_t &page = m_PageList[pageIndex]; |
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drawX = page.nextX; |
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drawY = page.nextY; |
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twide = page.wide; |
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ttall = page.tall; |
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// update the next position to draw in
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page.nextX = nNextX + 1; |
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return true; |
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} |
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