mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-17 02:11:35 +00:00
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
/*
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d_modech.c
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called when mode has just changed
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Copyright (C) 1996-1997 Id Software, Inc.
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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static __attribute__ ((used)) const char rcsid[] =
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"$Id$";
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#include "QF/render.h"
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#include "d_local.h"
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int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle;
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int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift;
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int d_scantable[MAXHEIGHT];
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short *zspantable[MAXHEIGHT];
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static void
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D_Patch (void)
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{
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}
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void
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D_ViewChanged (void)
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{
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int rowpixels;
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if (r_dowarp)
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rowpixels = WARP_WIDTH;
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else
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rowpixels = vid.rowbytes / r_pixbytes;
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scale_for_mip = xscale;
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if (yscale > xscale)
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scale_for_mip = yscale;
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d_zrowbytes = vid.width * 2;
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d_zwidth = vid.width;
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d_pix_min = r_refdef.vrect.width / 320;
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if (d_pix_min < 1)
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d_pix_min = 1;
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d_pix_max = (int) ((float) r_refdef.vrect.width / (320.0 / 4.0) + 0.5);
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d_pix_shift = 8 - (int) ((float) r_refdef.vrect.width / 320.0 + 0.5);
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if (d_pix_max < 1)
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d_pix_max = 1;
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if (pixelAspect > 1.4)
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d_y_aspect_shift = 1;
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else
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d_y_aspect_shift = 0;
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d_vrectx = r_refdef.vrect.x;
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d_vrecty = r_refdef.vrect.y;
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d_vrectright_particle = r_refdef.vrectright - d_pix_max;
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d_vrectbottom_particle =
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r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift);
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{
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unsigned int i;
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for (i = 0; i < vid.height; i++) {
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d_scantable[i] = i * rowpixels;
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zspantable[i] = d_pzbuffer + i * d_zwidth;
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}
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}
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D_Patch ();
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}
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