Alibek Omarov
6 years ago
1 changed files with 0 additions and 461 deletions
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@@ -1,461 +0,0 @@
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/*
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vgui_surf.cpp - main vgui layer |
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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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#include "common.h" |
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#include "client.h" |
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#include "vgui_draw.h" |
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#include "vgui_main.h" |
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#define MAXVERTEXBUFFERS 1024 |
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#define MAX_PAINT_STACK 8 |
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#define FONT_SIZE 512 |
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#define FONT_PAGES 8 |
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static char staticRGBA[FONT_SIZE * FONT_SIZE * 4]; |
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static vpoint_t g_VertexBuffer[MAXVERTEXBUFFERS]; |
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static int g_iVertexBufferEntriesUsed = 0; |
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static int staticContextCount = 0; |
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struct FontInfo |
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{ |
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int id; |
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int pageCount; |
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int pageForChar[256]; |
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int bindIndex[FONT_PAGES]; |
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float texCoord[256][FONT_PAGES]; |
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int contextCount; |
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}; |
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static Font* staticFont = NULL; |
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static FontInfo* staticFontInfo; |
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static Dar<FontInfo*> staticFontInfoDar; |
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static PaintStack paintStack[MAX_PAINT_STACK]; |
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static int staticPaintStackPos = 0; |
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CEngineSurface :: CEngineSurface( Panel *embeddedPanel ):SurfaceBase( embeddedPanel ) |
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{ |
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_drawTextColor[0] = _drawTextColor[1] = _drawTextColor[2] = _drawTextColor[3] = 255; |
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_drawColor[0] = _drawColor[1] = _drawColor[2] = _drawColor[3] = 255; |
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_drawTextPos[0] = _drawTextPos[1] = _currentTexture = 0; |
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staticFont = NULL; |
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staticFontInfo = NULL; |
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staticFontInfoDar.setCount( 0 ); |
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staticPaintStackPos = 0; |
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staticContextCount++; |
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VGUI_InitCursors (); |
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} |
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CEngineSurface :: ~CEngineSurface( void ) |
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{ |
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VGUI_DrawShutdown (); |
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} |
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void CEngineSurface :: setCursor( Cursor *cursor ) |
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{ |
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_currentCursor = cursor; |
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VGUI_CursorSelect( cursor ); |
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} |
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void CEngineSurface :: SetupPaintState( const PaintStack *paintState ) |
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{ |
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_translateX = paintState->iTranslateX; |
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_translateY = paintState->iTranslateY; |
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SetScissorRect( paintState->iScissorLeft, paintState->iScissorTop, paintState->iScissorRight, paintState->iScissorBottom ); |
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currentPanel = paintState->m_pPanel; |
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} |
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void CEngineSurface :: InitVertex( vpoint_t &vertex, int x, int y, float u, float v ) |
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{ |
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vertex.point[0] = x + _translateX; |
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vertex.point[1] = y + _translateY; |
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vertex.coord[0] = u; |
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vertex.coord[1] = v; |
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} |
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int CEngineSurface :: createNewTextureID( void ) |
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{ |
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return VGUI_GenerateTexture(); |
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} |
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void CEngineSurface :: drawSetColor( int r, int g, int b, int a ) |
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{ |
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_drawColor[0] = r; |
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_drawColor[1] = g; |
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_drawColor[2] = b; |
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_drawColor[3] = a; |
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} |
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void CEngineSurface :: drawSetTextColor( int r, int g, int b, int a ) |
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{ |
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_drawTextColor[0] = r; |
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_drawTextColor[1] = g; |
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_drawTextColor[2] = b; |
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_drawTextColor[3] = a; |
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} |
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void CEngineSurface :: drawFilledRect( int x0, int y0, int x1, int y1 ) |
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{ |
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vpoint_t rect[2]; |
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vpoint_t clippedRect[2]; |
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if( _drawColor[3] >= 255 ) return; |
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InitVertex( rect[0], x0, y0, 0, 0 ); |
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InitVertex( rect[1], x1, y1, 0, 0 ); |
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// fully clipped?
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if( !ClipRect( rect[0], rect[1], &clippedRect[0], &clippedRect[1] )) |
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return; |
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VGUI_SetupDrawingRect( _drawColor ); |
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VGUI_EnableTexture( false ); |
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VGUI_DrawQuad( &clippedRect[0], &clippedRect[1] ); |
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VGUI_EnableTexture( true ); |
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} |
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void CEngineSurface :: drawOutlinedRect( int x0, int y0, int x1, int y1 ) |
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{ |
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if( _drawColor[3] >= 255 ) return; |
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drawFilledRect( x0, y0, x1, y0 + 1 ); // top
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drawFilledRect( x0, y1 - 1, x1, y1 ); // bottom
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drawFilledRect( x0, y0 + 1, x0 + 1, y1 - 1 ); // left
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drawFilledRect( x1 - 1, y0 + 1, x1, y1 - 1 ); // right
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} |
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void CEngineSurface :: drawSetTextFont( Font *font ) |
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{ |
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staticFont = font; |
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if( font ) |
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{ |
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bool buildFont = false; |
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staticFontInfo = NULL; |
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for( int i = 0; i < staticFontInfoDar.getCount(); i++ ) |
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{ |
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if( staticFontInfoDar[i]->id == font->getId( )) |
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{ |
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staticFontInfo = staticFontInfoDar[i]; |
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if( staticFontInfo->contextCount != staticContextCount ) |
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buildFont = true; |
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} |
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} |
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if( !staticFontInfo || buildFont ) |
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{ |
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staticFontInfo = new FontInfo; |
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staticFontInfo->id = 0; |
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staticFontInfo->pageCount = 0; |
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staticFontInfo->bindIndex[0] = 0; |
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staticFontInfo->bindIndex[1] = 0; |
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staticFontInfo->bindIndex[2] = 0; |
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staticFontInfo->bindIndex[3] = 0; |
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memset( staticFontInfo->pageForChar, 0, sizeof( staticFontInfo->pageForChar )); |
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staticFontInfo->contextCount = -1; |
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staticFontInfo->id = staticFont->getId(); |
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staticFontInfoDar.putElement( staticFontInfo ); |
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staticFontInfo->contextCount = staticContextCount; |
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int currentPage = 0; |
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int x = 0, y = 0; |
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memset( staticRGBA, 0, sizeof( staticRGBA )); |
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for( int i = 0; i < 256; i++ ) |
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{ |
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int abcA, abcB, abcC; |
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staticFont->getCharABCwide( i, abcA, abcB, abcC ); |
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int wide = abcB; |
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if( isspace( i )) continue; |
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int tall = staticFont->getTall(); |
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if( x + wide + 1 > FONT_SIZE ) |
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{ |
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x = 0; |
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y += tall + 1; |
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} |
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if( y + tall + 1 > FONT_SIZE ) |
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{ |
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if( !staticFontInfo->bindIndex[currentPage] ) |
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staticFontInfo->bindIndex[currentPage] = createNewTextureID(); |
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drawSetTextureRGBA( staticFontInfo->bindIndex[currentPage], staticRGBA, FONT_SIZE, FONT_SIZE ); |
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currentPage++; |
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if( currentPage == FONT_PAGES ) |
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break; |
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memset( staticRGBA, 0, sizeof( staticRGBA )); |
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x = y = 0; |
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} |
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staticFont->getCharRGBA( i, x, y, FONT_SIZE, FONT_SIZE, (byte *)staticRGBA ); |
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staticFontInfo->pageForChar[i] = currentPage; |
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staticFontInfo->texCoord[i][0] = (float)((double)x / (double)FONT_SIZE ); |
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staticFontInfo->texCoord[i][1] = (float)((double)y / (double)FONT_SIZE ); |
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staticFontInfo->texCoord[i][2] = (float)((double)(x + wide)/(double)FONT_SIZE ); |
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staticFontInfo->texCoord[i][3] = (float)((double)(y + tall)/(double)FONT_SIZE ); |
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x += wide + 1; |
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} |
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if( currentPage != FONT_PAGES ) |
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{ |
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if( !staticFontInfo->bindIndex[currentPage] ) |
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staticFontInfo->bindIndex[currentPage] = createNewTextureID(); |
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drawSetTextureRGBA( staticFontInfo->bindIndex[currentPage], staticRGBA, FONT_SIZE, FONT_SIZE ); |
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} |
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staticFontInfo->pageCount = currentPage + 1; |
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} |
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} |
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} |
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void CEngineSurface :: drawSetTextPos( int x, int y ) |
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{ |
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_drawTextPos[0] = x; |
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_drawTextPos[1] = y; |
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} |
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void CEngineSurface :: addCharToBuffer( const vpoint_t *ul, const vpoint_t *lr, int color[4] ) |
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{ |
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if( g_iVertexBufferEntriesUsed >= MAXVERTEXBUFFERS ) |
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flushBuffer(); |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].coord[0] = ul->coord[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].coord[1] = ul->coord[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].point[0] = ul->point[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].point[1] = ul->point[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].color[0] = color[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].color[1] = color[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].color[2] = color[2]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 0].color[3] = 255 - color[3]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].coord[0] = lr->coord[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].coord[1] = ul->coord[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].point[0] = lr->point[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].point[1] = ul->point[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].color[0] = color[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].color[1] = color[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].color[2] = color[2]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 1].color[3] = 255 - color[3]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].coord[0] = lr->coord[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].coord[1] = lr->coord[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].point[0] = lr->point[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].point[1] = lr->point[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].color[0] = color[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].color[1] = color[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].color[2] = color[2]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 2].color[3] = 255 - color[3]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].coord[0] = ul->coord[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].coord[1] = lr->coord[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].point[0] = ul->point[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].point[1] = lr->point[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].color[0] = color[0]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].color[1] = color[1]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].color[2] = color[2]; |
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g_VertexBuffer[g_iVertexBufferEntriesUsed + 3].color[3] = 255 - color[3]; |
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g_iVertexBufferEntriesUsed += 4; |
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} |
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void CEngineSurface :: flushBuffer( void ) |
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{ |
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if( g_iVertexBufferEntriesUsed <= 0 ) |
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return; |
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VGUI_DrawBuffer( g_VertexBuffer, g_iVertexBufferEntriesUsed ); |
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g_iVertexBufferEntriesUsed = 0; |
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} |
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void CEngineSurface :: drawPrintChar( int x, int y, int wide, int tall, float s0, float t0, float s1, float t1, int color[4] ) |
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{ |
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vpoint_t ul, lr; |
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ul.point[0] = x; |
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ul.point[1] = y; |
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lr.point[0] = x + wide; |
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lr.point[1] = y + tall; |
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// gets at the texture coords for this character in its texture page
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ul.coord[0] = s0; |
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ul.coord[1] = t0; |
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lr.coord[0] = s1; |
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lr.coord[1] = t1; |
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vpoint_t clippedRect[2]; |
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if( !ClipRect( ul, lr, &clippedRect[0], &clippedRect[1] )) |
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return; |
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#if 1 |
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// TESTTEST: needs to be more tested
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addCharToBuffer( &clippedRect[0], &clippedRect[1], color ); |
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#else |
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VGUI_SetupDrawingImage( color ); |
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VGUI_DrawQuad( &clippedRect[0], &clippedRect[1] ); // draw the letter
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#endif |
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} |
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void CEngineSurface :: drawPrintText( const char *text, int textLen ) |
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{ |
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static bool hasColor = 0; |
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static int numColor = 7; |
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if( !COM_CheckString( text ) || !staticFont || !staticFontInfo ) |
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return; |
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int x = _drawTextPos[0] + _translateX; |
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int y = _drawTextPos[1] + _translateY; |
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int tall = staticFont->getTall(); |
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int curTextColor[4]; |
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int iTotalWidth = 0; |
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// HACKHACK: allow color strings in VGUI
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if( numColor != 7 && vgui_colorstrings->value ) |
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{ |
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for( int j = 0; j < 3; j++ ) // grab predefined color
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curTextColor[j] = g_color_table[numColor][j]; |
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} |
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else |
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{ |
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for( int j = 0; j < 3; j++ ) // revert default color
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curTextColor[j] = _drawTextColor[j]; |
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} |
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curTextColor[3] = _drawTextColor[3]; // copy alpha
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if( textLen == 1 && vgui_colorstrings->value ) |
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{ |
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if( *text == '^' ) |
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{ |
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hasColor = true; |
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return; // skip '^'
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} |
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else if( hasColor && isdigit( *text )) |
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{ |
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numColor = ColorIndex( *text ); |
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hasColor = false; // handled
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return; // skip colornum
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} |
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else hasColor = false; |
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} |
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for( int i = 0; i < textLen; i++ ) |
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{ |
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int abcA, abcB, abcC; |
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int curCh = (byte)text[i]; |
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staticFont->getCharABCwide( curCh, abcA, abcB, abcC ); |
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float s0 = staticFontInfo->texCoord[curCh][0]; |
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float t0 = staticFontInfo->texCoord[curCh][1]; |
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float s1 = staticFontInfo->texCoord[curCh][2]; |
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float t1 = staticFontInfo->texCoord[curCh][3]; |
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int wide = abcB; |
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iTotalWidth += abcA; |
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drawSetTexture( staticFontInfo->bindIndex[staticFontInfo->pageForChar[curCh]] ); |
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drawPrintChar( x + iTotalWidth, y, wide, tall, s0, t0, s1, t1, curTextColor ); |
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iTotalWidth += wide + abcC; |
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} |
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_drawTextPos[0] += iTotalWidth; |
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} |
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void CEngineSurface :: drawSetTextureRGBA( int id, const char* rgba, int wide, int tall ) |
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{ |
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VGUI_UploadTexture( id, rgba, wide, tall ); |
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_currentTexture = id; |
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} |
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void CEngineSurface :: drawSetTexture( int id ) |
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{ |
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if( _currentTexture != id ) |
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{ |
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_currentTexture = id; |
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flushBuffer(); |
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} |
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VGUI_BindTexture( id ); |
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} |
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void CEngineSurface :: drawTexturedRect( int x0, int y0, int x1, int y1 ) |
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{ |
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vpoint_t rect[2]; |
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vpoint_t clippedRect[2]; |
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// it's not a vertex, just fill rectangle
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InitVertex( rect[0], x0, y0, 0, 0 ); |
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InitVertex( rect[1], x1, y1, 1, 1 ); |
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// fully clipped?
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if( !ClipRect( rect[0], rect[1], &clippedRect[0], &clippedRect[1] )) |
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return; |
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VGUI_SetupDrawingImage( _drawColor ); |
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VGUI_DrawQuad( &clippedRect[0], &clippedRect[1] ); |
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} |
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void CEngineSurface :: pushMakeCurrent( Panel* panel, bool useInsets ) |
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{ |
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int insets[4] = { 0, 0, 0, 0 }; |
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int absExtents[4]; |
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int clipRect[4]; |
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if( useInsets ) |
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panel->getInset( insets[0], insets[1], insets[2], insets[3] ); |
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panel->getAbsExtents( absExtents[0], absExtents[1], absExtents[2], absExtents[3] ); |
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panel->getClipRect( clipRect[0], clipRect[1], clipRect[2], clipRect[3] ); |
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PaintStack *paintState = &paintStack[staticPaintStackPos]; |
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ASSERT( staticPaintStackPos < MAX_PAINT_STACK ); |
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paintState->m_pPanel = panel; |
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// determine corrected top left origin
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paintState->iTranslateX = insets[0] + absExtents[0]; |
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paintState->iTranslateY = insets[1] + absExtents[1]; |
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// setup clipping rectangle for scissoring
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paintState->iScissorLeft = clipRect[0]; |
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paintState->iScissorTop = clipRect[1]; |
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paintState->iScissorRight = clipRect[2]; |
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paintState->iScissorBottom = clipRect[3]; |
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SetupPaintState( paintState ); |
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staticPaintStackPos++; |
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} |
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void CEngineSurface :: popMakeCurrent( Panel *panel ) |
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{ |
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flushBuffer(); |
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int top = staticPaintStackPos - 1; |
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// more pops that pushes?
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Assert( top >= 0 ); |
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// didn't pop in reverse order of push?
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Assert( paintStack[top].m_pPanel == panel ); |
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staticPaintStackPos--; |
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if( top > 0 ) SetupPaintState( &paintStack[top-1] ); |
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} |
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