1 /* 2 Copyright (C) 1996-1997 Id Software, Inc. 3 4 This program is free software; you can redistribute it and/or 5 modify it under the terms of the GNU General Public License 6 as published by the Free Software Foundation; either version 2 7 of the License, or (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 12 13 See the GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program; if not, write to the Free Software 17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 19 */ 20 // d_zpoint.c: software driver module for drawing z-buffered points 21 22 #include "quakedef.h" 23 #include "d_local.h" 24 25 26 /* 27 ===================== 28 D_DrawZPoint 29 ===================== 30 */ 31 void D_DrawZPoint (void) 32 { 33 byte *pdest; 34 short *pz; 35 int izi; 36 37 pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u; 38 pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u; 39 izi = (int)(r_zpointdesc.zi * 0x8000); 40 41 if (*pz <= izi) 42 { 43 *pz = izi; 44 *pdest = r_zpointdesc.color; 45 } 46 } 47 48
