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5131 | clevermous | 1 | /* |
2 | Copyright (C) 1996-1997 Id Software, Inc. |
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3 | |||
4 | This program is free software; you can redistribute it and/or |
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5 | modify it under the terms of the GNU General Public License |
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6 | as published by the Free Software Foundation; either version 2 |
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7 | of the License, or (at your option) any later version. |
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8 | |||
9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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12 | |||
13 | See the GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | |||
19 | */ |
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20 | // d_zpoint.c: software driver module for drawing z-buffered points |
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21 | |||
22 | #include "quakedef.h" |
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23 | #include "d_local.h" |
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24 | |||
25 | |||
26 | /* |
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27 | ===================== |
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28 | D_DrawZPoint |
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29 | ===================== |
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30 | */ |
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31 | void D_DrawZPoint (void) |
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32 | { |
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33 | byte *pdest; |
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34 | short *pz; |
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35 | int izi; |
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36 | |||
37 | pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u; |
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38 | pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u; |
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39 | izi = (int)(r_zpointdesc.zi * 0x8000); |
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40 | |||
41 | if (*pz <= izi) |
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42 | { |
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43 | *pz = izi; |
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44 | *pdest = r_zpointdesc.color; |
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45 | } |
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46 | }=> |
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47 |