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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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_modech.c: called when mode has just changed |
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| 21 | |||
| 22 | #include "quakedef.h" |
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| 23 | #include "d_local.h" |
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| 24 | |||
| 25 | int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle; |
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| 26 | |||
| 27 | int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift; |
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| 28 | |||
| 29 | int d_scantable[MAXHEIGHT]; |
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| 30 | short *zspantable[MAXHEIGHT]; |
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| 31 | |||
| 32 | /* |
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| 33 | ================ |
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| 34 | D_Patch |
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| 35 | ================ |
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| 36 | */ |
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| 37 | void D_Patch (void) |
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| 38 | { |
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| 39 | #if id386 |
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| 40 | |||
| 41 | static qboolean protectset8 = false; |
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| 42 | |||
| 43 | if (!protectset8) |
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| 44 | { |
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| 45 | Sys_MakeCodeWriteable ((int)D_PolysetAff8Start, |
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| 46 | (int)D_PolysetAff8End - (int)D_PolysetAff8Start); |
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| 47 | protectset8 = true; |
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| 48 | } |
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| 49 | |||
| 50 | #endif // id386 |
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| 51 | } |
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| 52 | |||
| 53 | |||
| 54 | /* |
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| 55 | ================ |
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| 56 | D_ViewChanged |
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| 57 | ================ |
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| 58 | */ |
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| 59 | void D_ViewChanged (void) |
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| 60 | { |
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| 61 | int rowbytes; |
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| 62 | |||
| 63 | if (r_dowarp) |
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| 64 | rowbytes = WARP_WIDTH; |
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| 65 | else |
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| 66 | rowbytes = vid.rowbytes; |
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| 67 | |||
| 68 | scale_for_mip = xscale; |
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| 69 | if (yscale > xscale) |
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| 70 | scale_for_mip = yscale; |
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| 71 | |||
| 72 | d_zrowbytes = vid.width * 2; |
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| 73 | d_zwidth = vid.width; |
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| 74 | |||
| 75 | d_pix_min = r_refdef.vrect.width / 320; |
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| 76 | if (d_pix_min < 1) |
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| 77 | d_pix_min = 1; |
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| 78 | |||
| 79 | d_pix_max = (int)((float)r_refdef.vrect.width / (320.0 / 4.0) + 0.5); |
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| 80 | d_pix_shift = 8 - (int)((float)r_refdef.vrect.width / 320.0 + 0.5); |
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| 81 | if (d_pix_max < 1) |
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| 82 | d_pix_max = 1; |
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| 83 | |||
| 84 | if (pixelAspect > 1.4) |
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| 85 | d_y_aspect_shift = 1; |
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| 86 | else |
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| 87 | d_y_aspect_shift = 0; |
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| 88 | |||
| 89 | d_vrectx = r_refdef.vrect.x; |
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| 90 | d_vrecty = r_refdef.vrect.y; |
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| 91 | d_vrectright_particle = r_refdef.vrectright - d_pix_max; |
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| 92 | d_vrectbottom_particle = |
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| 93 | r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift); |
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| 94 | |||
| 95 | { |
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| 96 | int i; |
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| 97 | |||
| 98 | for (i=0 ; i |
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| 99 | { |
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| 100 | d_scantable[i] = i*rowbytes; |
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| 101 | zspantable[i] = d_pzbuffer + i*d_zwidth; |
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| 102 | } |
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| 103 | } |
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| 104 | |||
| 105 | D_Patch (); |
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| 106 | } |
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| 107 |