diff options
Diffstat (limited to 'apps/plugins/sdl/progs/quake/d_modech.c')
-rw-r--r-- | apps/plugins/sdl/progs/quake/d_modech.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/d_modech.c b/apps/plugins/sdl/progs/quake/d_modech.c new file mode 100644 index 0000000000..75c188e362 --- /dev/null +++ b/apps/plugins/sdl/progs/quake/d_modech.c | |||
@@ -0,0 +1,107 @@ | |||
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_modech.c: called when mode has just changed | ||
21 | |||
22 | #include "quakedef.h" | ||
23 | #include "d_local.h" | ||
24 | |||
25 | int d_vrectx, d_vrecty, d_vrectright_particle, d_vrectbottom_particle; | ||
26 | |||
27 | int d_y_aspect_shift, d_pix_min, d_pix_max, d_pix_shift; | ||
28 | |||
29 | int d_scantable[MAXHEIGHT]; | ||
30 | short *zspantable[MAXHEIGHT]; | ||
31 | |||
32 | /* | ||
33 | ================ | ||
34 | D_Patch | ||
35 | ================ | ||
36 | */ | ||
37 | void D_Patch (void) | ||
38 | { | ||
39 | #if id386 | ||
40 | |||
41 | static qboolean protectset8 = false; | ||
42 | |||
43 | if (!protectset8) | ||
44 | { | ||
45 | Sys_MakeCodeWriteable ((int)D_PolysetAff8Start, | ||
46 | (int)D_PolysetAff8End - (int)D_PolysetAff8Start); | ||
47 | protectset8 = true; | ||
48 | } | ||
49 | |||
50 | #endif // id386 | ||
51 | } | ||
52 | |||
53 | |||
54 | /* | ||
55 | ================ | ||
56 | D_ViewChanged | ||
57 | ================ | ||
58 | */ | ||
59 | void D_ViewChanged (void) | ||
60 | { | ||
61 | int rowbytes; | ||
62 | |||
63 | if (r_dowarp) | ||
64 | rowbytes = WARP_WIDTH; | ||
65 | else | ||
66 | rowbytes = vid.rowbytes; | ||
67 | |||
68 | scale_for_mip = xscale; | ||
69 | if (yscale > xscale) | ||
70 | scale_for_mip = yscale; | ||
71 | |||
72 | d_zrowbytes = vid.width * 2; | ||
73 | d_zwidth = vid.width; | ||
74 | |||
75 | d_pix_min = r_refdef.vrect.width / 320; | ||
76 | if (d_pix_min < 1) | ||
77 | d_pix_min = 1; | ||
78 | |||
79 | d_pix_max = (int)((float)r_refdef.vrect.width / (320.0 / 4.0) + 0.5); | ||
80 | d_pix_shift = 8 - (int)((float)r_refdef.vrect.width / 320.0 + 0.5); | ||
81 | if (d_pix_max < 1) | ||
82 | d_pix_max = 1; | ||
83 | |||
84 | if (pixelAspect > 1.4) | ||
85 | d_y_aspect_shift = 1; | ||
86 | else | ||
87 | d_y_aspect_shift = 0; | ||
88 | |||
89 | d_vrectx = r_refdef.vrect.x; | ||
90 | d_vrecty = r_refdef.vrect.y; | ||
91 | d_vrectright_particle = r_refdef.vrectright - d_pix_max; | ||
92 | d_vrectbottom_particle = | ||
93 | r_refdef.vrectbottom - (d_pix_max << d_y_aspect_shift); | ||
94 | |||
95 | { | ||
96 | int i; | ||
97 | |||
98 | for (i=0 ; i<vid.height; i++) | ||
99 | { | ||
100 | d_scantable[i] = i*rowbytes; | ||
101 | zspantable[i] = d_pzbuffer + i*d_zwidth; | ||
102 | } | ||
103 | } | ||
104 | |||
105 | D_Patch (); | ||
106 | } | ||
107 | |||