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https://github.com/yquake2/yquake2remaster.git
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Räume gl_draw.c ein weiteres Mal auf
This commit is contained in:
Yamagi Burmeister
parent
7270f2d423
commit
7c3b6fa412
1 changed files with 278 additions and 280 deletions
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@ -1,415 +1,413 @@
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/*
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Copyright (C) 1997-2001 Id Software, Inc.
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* Copyright (C) 1997-2001 Id Software, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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.
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*
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// draw.c
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/* draw.c */
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#include "header/local.h"
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image_t *draw_chars;
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image_t *draw_chars;
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extern qboolean scrap_dirty;
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void Scrap_Upload (void);
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extern qboolean scrap_dirty;
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void Scrap_Upload ( void );
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extern unsigned r_rawpalette [ 256 ];
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/*
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===============
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Draw_InitLocal
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===============
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*/
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void Draw_InitLocal (void)
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void
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Draw_InitLocal ( void )
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{
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// load console characters (don't bilerp characters)
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draw_chars = GL_FindImage ("pics/conchars.pcx", it_pic);
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/* load console characters (don't bilerp characters) */
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draw_chars = GL_FindImage( "pics/conchars.pcx", it_pic );
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GL_Bind( draw_chars->texnum );
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
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qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
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}
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/*
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================
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Draw_Char
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Draws one 8*8 graphics character with 0 being transparent.
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It can be clipped to the top of the screen to allow the console to be
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smoothly scrolled off.
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================
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*/
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void Draw_Char (int x, int y, int num)
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* Draws one 8*8 graphics character with 0 being transparent.
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* It can be clipped to the top of the screen to allow the console to be
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* smoothly scrolled off.
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*/
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void
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Draw_Char ( int x, int y, int num )
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{
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int row, col;
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float frow, fcol, size;
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int row, col;
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float frow, fcol, size;
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num &= 255;
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if ( (num&127) == 32 )
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return; // space
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if (y <= -8)
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return; // totally off screen
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if ( ( num & 127 ) == 32 )
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{
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return; /* space */
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}
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row = num>>4;
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col = num&15;
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if ( y <= -8 )
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{
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return; /* totally off screen */
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}
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frow = row*0.0625;
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fcol = col*0.0625;
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row = num >> 4;
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col = num & 15;
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frow = row * 0.0625;
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fcol = col * 0.0625;
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size = 0.0625;
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GL_Bind (draw_chars->texnum);
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GL_Bind( draw_chars->texnum );
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qglBegin (GL_QUADS);
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qglTexCoord2f (fcol, frow);
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qglVertex2f (x, y);
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qglTexCoord2f (fcol + size, frow);
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qglVertex2f (x+8, y);
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qglTexCoord2f (fcol + size, frow + size);
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qglVertex2f (x+8, y+8);
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qglTexCoord2f (fcol, frow + size);
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qglVertex2f (x, y+8);
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qglEnd ();
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qglBegin( GL_QUADS );
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qglTexCoord2f( fcol, frow );
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qglVertex2f( x, y );
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qglTexCoord2f( fcol + size, frow );
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qglVertex2f( x + 8, y );
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qglTexCoord2f( fcol + size, frow + size );
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qglVertex2f( x + 8, y + 8 );
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qglTexCoord2f( fcol, frow + size );
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qglVertex2f( x, y + 8 );
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qglEnd();
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}
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/*
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=============
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Draw_FindPic
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=============
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*/
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image_t *Draw_FindPic (char *name)
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image_t *
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Draw_FindPic ( char *name )
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{
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image_t *gl;
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char fullname[MAX_QPATH];
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char fullname [ MAX_QPATH ];
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if (name[0] != '/' && name[0] != '\\')
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if ( ( name [ 0 ] != '/' ) && ( name [ 0 ] != '\\' ) )
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{
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Com_sprintf (fullname, sizeof(fullname), "pics/%s.pcx", name);
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gl = GL_FindImage (fullname, it_pic);
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Com_sprintf( fullname, sizeof ( fullname ), "pics/%s.pcx", name );
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gl = GL_FindImage( fullname, it_pic );
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}
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else
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gl = GL_FindImage (name+1, it_pic);
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{
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gl = GL_FindImage( name + 1, it_pic );
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}
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return gl;
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return ( gl );
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}
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/*
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=============
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Draw_GetPicSize
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=============
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*/
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void Draw_GetPicSize (int *w, int *h, char *pic)
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void
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Draw_GetPicSize ( int *w, int *h, char *pic )
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{
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image_t *gl;
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gl = Draw_FindPic (pic);
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if (!gl)
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gl = Draw_FindPic( pic );
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if ( !gl )
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{
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*w = *h = -1;
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return;
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}
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*w = gl->width;
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*h = gl->height;
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}
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/*
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=============
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Draw_StretchPic
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=============
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*/
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void Draw_StretchPic (int x, int y, int w, int h, char *pic)
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void
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Draw_StretchPic ( int x, int y, int w, int h, char *pic )
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{
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image_t *gl;
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gl = Draw_FindPic (pic);
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if (!gl)
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gl = Draw_FindPic( pic );
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if ( !gl )
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{
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ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
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ri.Con_Printf( PRINT_ALL, "Can't find pic: %s\n", pic );
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return;
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}
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if (scrap_dirty)
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Scrap_Upload ();
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if ( scrap_dirty )
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{
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Scrap_Upload();
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}
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
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qglDisable (GL_ALPHA_TEST);
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha )
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{
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qglDisable( GL_ALPHA_TEST );
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}
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GL_Bind (gl->texnum);
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qglBegin (GL_QUADS);
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qglTexCoord2f (gl->sl, gl->tl);
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qglVertex2f (x, y);
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qglTexCoord2f (gl->sh, gl->tl);
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qglVertex2f (x+w, y);
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qglTexCoord2f (gl->sh, gl->th);
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qglVertex2f (x+w, y+h);
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qglTexCoord2f (gl->sl, gl->th);
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qglVertex2f (x, y+h);
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qglEnd ();
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GL_Bind( gl->texnum );
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qglBegin( GL_QUADS );
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qglTexCoord2f( gl->sl, gl->tl );
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qglVertex2f( x, y );
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qglTexCoord2f( gl->sh, gl->tl );
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qglVertex2f( x + w, y );
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qglTexCoord2f( gl->sh, gl->th );
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qglVertex2f( x + w, y + h );
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qglTexCoord2f( gl->sl, gl->th );
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qglVertex2f( x, y + h );
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qglEnd();
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
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qglEnable (GL_ALPHA_TEST);
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha )
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{
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qglEnable( GL_ALPHA_TEST );
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}
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}
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/*
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=============
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Draw_Pic
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=============
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*/
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void Draw_Pic (int x, int y, char *pic)
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void
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Draw_Pic ( int x, int y, char *pic )
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{
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image_t *gl;
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gl = Draw_FindPic (pic);
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if (!gl)
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gl = Draw_FindPic( pic );
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if ( !gl )
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{
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ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
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ri.Con_Printf( PRINT_ALL, "Can't find pic: %s\n", pic );
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return;
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}
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if (scrap_dirty)
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Scrap_Upload ();
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
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qglDisable (GL_ALPHA_TEST);
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if ( scrap_dirty )
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{
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Scrap_Upload();
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}
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GL_Bind (gl->texnum);
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qglBegin (GL_QUADS);
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qglTexCoord2f (gl->sl, gl->tl);
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qglVertex2f (x, y);
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qglTexCoord2f (gl->sh, gl->tl);
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qglVertex2f (x+gl->width, y);
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qglTexCoord2f (gl->sh, gl->th);
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qglVertex2f (x+gl->width, y+gl->height);
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qglTexCoord2f (gl->sl, gl->th);
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qglVertex2f (x, y+gl->height);
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qglEnd ();
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha )
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{
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qglDisable( GL_ALPHA_TEST );
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}
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
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qglEnable (GL_ALPHA_TEST);
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GL_Bind( gl->texnum );
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qglBegin( GL_QUADS );
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qglTexCoord2f( gl->sl, gl->tl );
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qglVertex2f( x, y );
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qglTexCoord2f( gl->sh, gl->tl );
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qglVertex2f( x + gl->width, y );
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qglTexCoord2f( gl->sh, gl->th );
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qglVertex2f( x + gl->width, y + gl->height );
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qglTexCoord2f( gl->sl, gl->th );
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qglVertex2f( x, y + gl->height );
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qglEnd();
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha )
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{
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qglEnable( GL_ALPHA_TEST );
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}
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}
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/*
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=============
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Draw_TileClear
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This repeats a 64*64 tile graphic to fill the screen around a sized down
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refresh window.
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=============
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*/
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void Draw_TileClear (int x, int y, int w, int h, char *pic)
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* This repeats a 64*64 tile graphic to fill
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* the screen around a sized down
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* refresh window.
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*/
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void
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Draw_TileClear ( int x, int y, int w, int h, char *pic )
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{
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image_t *image;
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image_t *image;
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image = Draw_FindPic (pic);
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if (!image)
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image = Draw_FindPic( pic );
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if ( !image )
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{
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ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
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ri.Con_Printf( PRINT_ALL, "Can't find pic: %s\n", pic );
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return;
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}
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha)
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qglDisable (GL_ALPHA_TEST);
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha )
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{
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qglDisable( GL_ALPHA_TEST );
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}
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GL_Bind (image->texnum);
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qglBegin (GL_QUADS);
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qglTexCoord2f (x/64.0, y/64.0);
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qglVertex2f (x, y);
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qglTexCoord2f ( (x+w)/64.0, y/64.0);
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qglVertex2f (x+w, y);
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qglTexCoord2f ( (x+w)/64.0, (y+h)/64.0);
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qglVertex2f (x+w, y+h);
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qglTexCoord2f ( x/64.0, (y+h)/64.0 );
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qglVertex2f (x, y+h);
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qglEnd ();
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GL_Bind( image->texnum );
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qglBegin( GL_QUADS );
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qglTexCoord2f( x / 64.0, y / 64.0 );
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qglVertex2f( x, y );
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qglTexCoord2f( ( x + w ) / 64.0, y / 64.0 );
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qglVertex2f( x + w, y );
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qglTexCoord2f( ( x + w ) / 64.0, ( y + h ) / 64.0 );
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qglVertex2f( x + w, y + h );
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qglTexCoord2f( x / 64.0, ( y + h ) / 64.0 );
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qglVertex2f( x, y + h );
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qglEnd();
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha)
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qglEnable (GL_ALPHA_TEST);
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if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha )
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{
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qglEnable( GL_ALPHA_TEST );
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}
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}
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|
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/*
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=============
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Draw_Fill
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|
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Fills a box of pixels with a single color
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=============
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*/
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void Draw_Fill (int x, int y, int w, int h, int c)
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* Fills a box of pixels with a single color
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*/
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void
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Draw_Fill ( int x, int y, int w, int h, int c )
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{
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union
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{
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unsigned c;
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byte v[4];
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unsigned c;
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byte v [ 4 ];
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} color;
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if ( (unsigned)c > 255)
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ri.Sys_Error (ERR_FATAL, "Draw_Fill: bad color");
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if ( (unsigned) c > 255 )
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{
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ri.Sys_Error( ERR_FATAL, "Draw_Fill: bad color" );
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}
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qglDisable (GL_TEXTURE_2D);
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qglDisable( GL_TEXTURE_2D );
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color.c = d_8to24table[c];
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qglColor3f (color.v[0]/255.0,
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color.v[1]/255.0,
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color.v[2]/255.0);
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color.c = d_8to24table [ c ];
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qglColor3f( color.v [ 0 ] / 255.0,
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color.v [ 1 ] / 255.0,
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color.v [ 2 ] / 255.0 );
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qglBegin (GL_QUADS);
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qglBegin( GL_QUADS );
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qglVertex2f (x,y);
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qglVertex2f (x+w, y);
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qglVertex2f (x+w, y+h);
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qglVertex2f (x, y+h);
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qglVertex2f( x, y );
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qglVertex2f( x + w, y );
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qglVertex2f( x + w, y + h );
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qglVertex2f( x, y + h );
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qglEnd ();
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qglColor3f (1,1,1);
|
||||
qglEnable (GL_TEXTURE_2D);
|
||||
qglEnd();
|
||||
qglColor3f( 1, 1, 1 );
|
||||
qglEnable( GL_TEXTURE_2D );
|
||||
}
|
||||
|
||||
//=============================================================================
|
||||
|
||||
/*
|
||||
================
|
||||
Draw_FadeScreen
|
||||
|
||||
================
|
||||
*/
|
||||
void Draw_FadeScreen (void)
|
||||
void
|
||||
Draw_FadeScreen ( void )
|
||||
{
|
||||
qglEnable (GL_BLEND);
|
||||
qglDisable (GL_TEXTURE_2D);
|
||||
qglColor4f (0, 0, 0, 0.8);
|
||||
qglBegin (GL_QUADS);
|
||||
qglEnable( GL_BLEND );
|
||||
qglDisable( GL_TEXTURE_2D );
|
||||
qglColor4f( 0, 0, 0, 0.8 );
|
||||
qglBegin( GL_QUADS );
|
||||
|
||||
qglVertex2f (0,0);
|
||||
qglVertex2f (vid.width, 0);
|
||||
qglVertex2f (vid.width, vid.height);
|
||||
qglVertex2f (0, vid.height);
|
||||
qglVertex2f( 0, 0 );
|
||||
qglVertex2f( vid.width, 0 );
|
||||
qglVertex2f( vid.width, vid.height );
|
||||
qglVertex2f( 0, vid.height );
|
||||
|
||||
qglEnd ();
|
||||
qglColor4f (1,1,1,1);
|
||||
qglEnable (GL_TEXTURE_2D);
|
||||
qglDisable (GL_BLEND);
|
||||
qglEnd();
|
||||
qglColor4f( 1, 1, 1, 1 );
|
||||
qglEnable( GL_TEXTURE_2D );
|
||||
qglDisable( GL_BLEND );
|
||||
}
|
||||
|
||||
|
||||
//====================================================================
|
||||
|
||||
|
||||
/*
|
||||
=============
|
||||
Draw_StretchRaw
|
||||
=============
|
||||
*/
|
||||
extern unsigned r_rawpalette[256];
|
||||
|
||||
void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data)
|
||||
void
|
||||
Draw_StretchRaw ( int x, int y, int w, int h, int cols, int rows, byte *data )
|
||||
{
|
||||
unsigned image32[256*256];
|
||||
unsigned char image8[256*256];
|
||||
int i, j, trows;
|
||||
byte *source;
|
||||
int frac, fracstep;
|
||||
float hscale;
|
||||
int row;
|
||||
float t;
|
||||
unsigned image32 [ 256 * 256 ];
|
||||
unsigned char image8 [ 256 * 256 ];
|
||||
int i, j, trows;
|
||||
byte *source;
|
||||
int frac, fracstep;
|
||||
float hscale;
|
||||
int row;
|
||||
float t;
|
||||
|
||||
GL_Bind (0);
|
||||
GL_Bind( 0 );
|
||||
|
||||
if (rows<=256)
|
||||
if ( rows <= 256 )
|
||||
{
|
||||
hscale = 1;
|
||||
trows = rows;
|
||||
}
|
||||
else
|
||||
{
|
||||
hscale = rows/256.0;
|
||||
hscale = rows / 256.0;
|
||||
trows = 256;
|
||||
}
|
||||
t = rows*hscale / 256 - 1.0/512.0;
|
||||
|
||||
t = rows * hscale / 256 - 1.0 / 512.0;
|
||||
|
||||
if ( !qglColorTableEXT )
|
||||
{
|
||||
unsigned *dest;
|
||||
|
||||
for (i=0 ; i<trows ; i++)
|
||||
for ( i = 0; i < trows; i++ )
|
||||
{
|
||||
row = (int)(i*hscale);
|
||||
if (row > rows)
|
||||
break;
|
||||
source = data + cols*row;
|
||||
dest = &image32[i*256];
|
||||
fracstep = cols*0x10000/256;
|
||||
frac = fracstep >> 1;
|
||||
for (j=0 ; j<256 ; j++)
|
||||
row = (int) ( i * hscale );
|
||||
|
||||
if ( row > rows )
|
||||
{
|
||||
dest[j] = r_rawpalette[source[frac>>16]];
|
||||
break;
|
||||
}
|
||||
|
||||
source = data + cols * row;
|
||||
dest = &image32 [ i * 256 ];
|
||||
fracstep = cols * 0x10000 / 256;
|
||||
frac = fracstep >> 1;
|
||||
|
||||
for ( j = 0; j < 256; j++ )
|
||||
{
|
||||
dest [ j ] = r_rawpalette [ source [ frac >> 16 ] ];
|
||||
frac += fracstep;
|
||||
}
|
||||
}
|
||||
|
||||
qglTexImage2D (GL_TEXTURE_2D, 0, gl_tex_solid_format, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, image32);
|
||||
qglTexImage2D( GL_TEXTURE_2D, 0, gl_tex_solid_format, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, image32 );
|
||||
}
|
||||
else
|
||||
{
|
||||
unsigned char *dest;
|
||||
|
||||
for (i=0 ; i<trows ; i++)
|
||||
for ( i = 0; i < trows; i++ )
|
||||
{
|
||||
row = (int)(i*hscale);
|
||||
if (row > rows)
|
||||
break;
|
||||
source = data + cols*row;
|
||||
dest = &image8[i*256];
|
||||
fracstep = cols*0x10000/256;
|
||||
frac = fracstep >> 1;
|
||||
for (j=0 ; j<256 ; j++)
|
||||
row = (int) ( i * hscale );
|
||||
|
||||
if ( row > rows )
|
||||
{
|
||||
dest[j] = source[frac>>16];
|
||||
break;
|
||||
}
|
||||
|
||||
source = data + cols * row;
|
||||
dest = &image8 [ i * 256 ];
|
||||
fracstep = cols * 0x10000 / 256;
|
||||
frac = fracstep >> 1;
|
||||
|
||||
for ( j = 0; j < 256; j++ )
|
||||
{
|
||||
dest [ j ] = source [ frac >> 16 ];
|
||||
frac += fracstep;
|
||||
}
|
||||
}
|
||||
|
||||
qglTexImage2D( GL_TEXTURE_2D,
|
||||
0,
|
||||
GL_COLOR_INDEX8_EXT,
|
||||
256, 256,
|
||||
0,
|
||||
GL_COLOR_INDEX,
|
||||
GL_UNSIGNED_BYTE,
|
||||
image8 );
|
||||
qglTexImage2D( GL_TEXTURE_2D,
|
||||
0,
|
||||
GL_COLOR_INDEX8_EXT,
|
||||
256, 256,
|
||||
0,
|
||||
GL_COLOR_INDEX,
|
||||
GL_UNSIGNED_BYTE,
|
||||
image8 );
|
||||
}
|
||||
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
||||
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
||||
|
||||
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
|
||||
qglDisable (GL_ALPHA_TEST);
|
||||
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
|
||||
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
|
||||
|
||||
qglBegin (GL_QUADS);
|
||||
qglTexCoord2f (1.0/512.0, 1.0/512.0);
|
||||
qglVertex2f (x, y);
|
||||
qglTexCoord2f (511.0/512.0, 1.0/512.0);
|
||||
qglVertex2f (x+w, y);
|
||||
qglTexCoord2f (511.0/512.0, t);
|
||||
qglVertex2f (x+w, y+h);
|
||||
qglTexCoord2f (1.0/512.0, t);
|
||||
qglVertex2f (x, y+h);
|
||||
qglEnd ();
|
||||
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
|
||||
{
|
||||
qglDisable( GL_ALPHA_TEST );
|
||||
}
|
||||
|
||||
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
|
||||
qglEnable (GL_ALPHA_TEST);
|
||||
qglBegin( GL_QUADS );
|
||||
qglTexCoord2f( 1.0 / 512.0, 1.0 / 512.0 );
|
||||
qglVertex2f( x, y );
|
||||
qglTexCoord2f( 511.0 / 512.0, 1.0 / 512.0 );
|
||||
qglVertex2f( x + w, y );
|
||||
qglTexCoord2f( 511.0 / 512.0, t );
|
||||
qglVertex2f( x + w, y + h );
|
||||
qglTexCoord2f( 1.0 / 512.0, t );
|
||||
qglVertex2f( x, y + h );
|
||||
qglEnd();
|
||||
|
||||
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
|
||||
{
|
||||
qglEnable( GL_ALPHA_TEST );
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue