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| 298 | serge | 1 | // Emacs style mode select -*- C++ -*- |
| 2 | //----------------------------------------------------------------------------- |
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| 3 | // |
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| 4 | // $Id:$ |
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| 5 | // |
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| 6 | // Copyright (C) 1993-1996 by id Software, Inc. |
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| 7 | // |
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| 8 | // This source is available for distribution and/or modification |
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| 9 | // only under the terms of the DOOM Source Code License as |
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| 10 | // published by id Software. All rights reserved. |
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| 11 | // |
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| 12 | // The source is distributed in the hope that it will be useful, |
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| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License |
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| 15 | // for more details. |
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| 16 | // |
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| 17 | // DESCRIPTION: |
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| 18 | // Gamma correction LUT. |
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| 19 | // Functions to draw patches (by post) directly to screen. |
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| 20 | // Functions to blit a block to the screen. |
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| 21 | // |
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| 22 | //----------------------------------------------------------------------------- |
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| 23 | |||
| 24 | |||
| 25 | #ifndef __V_VIDEO__ |
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| 26 | #define __V_VIDEO__ |
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| 27 | |||
| 28 | #include "doomtype.h" |
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| 29 | |||
| 30 | #include "doomdef.h" |
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| 31 | |||
| 32 | // Needed because we are refering to patches. |
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| 33 | #include "r_data.h" |
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| 34 | |||
| 35 | // |
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| 36 | // VIDEO |
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| 37 | // |
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| 38 | |||
| 39 | #define CENTERY (SCREENHEIGHT/2) |
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| 40 | |||
| 41 | |||
| 42 | // Screen 0 is the screen updated by I_Update screen. |
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| 43 | // Screen 1 is an extra buffer. |
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| 44 | |||
| 45 | |||
| 46 | |||
| 47 | extern byte* screens[5]; |
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| 48 | |||
| 49 | extern int dirtybox[4]; |
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| 50 | |||
| 51 | extern byte gammatable[5][256]; |
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| 52 | extern int usegamma; |
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| 53 | |||
| 54 | |||
| 55 | |||
| 56 | // Allocates buffer screens, call before R_Init. |
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| 57 | void V_Init (void); |
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| 58 | |||
| 59 | |||
| 60 | void |
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| 61 | V_CopyRect |
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| 62 | ( int srcx, |
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| 63 | int srcy, |
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| 64 | int srcscrn, |
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| 65 | int width, |
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| 66 | int height, |
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| 67 | int destx, |
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| 68 | int desty, |
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| 69 | int destscrn ); |
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| 70 | |||
| 71 | void |
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| 72 | V_DrawPatch |
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| 73 | ( int x, |
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| 74 | int y, |
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| 75 | int scrn, |
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| 76 | patch_t* patch); |
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| 77 | |||
| 78 | void |
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| 79 | V_DrawPatchDirect |
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| 80 | ( int x, |
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| 81 | int y, |
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| 82 | int scrn, |
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| 83 | patch_t* patch ); |
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| 84 | |||
| 85 | |||
| 86 | // Draw a linear block of pixels into the view buffer. |
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| 87 | void |
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| 88 | V_DrawBlock |
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| 89 | ( int x, |
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| 90 | int y, |
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| 91 | int scrn, |
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| 92 | int width, |
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| 93 | int height, |
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| 94 | byte* src ); |
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| 95 | |||
| 96 | // Reads a linear block of pixels into the view buffer. |
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| 97 | void |
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| 98 | V_GetBlock |
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| 99 | ( int x, |
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| 100 | int y, |
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| 101 | int scrn, |
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| 102 | int width, |
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| 103 | int height, |
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| 104 | byte* dest ); |
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| 105 | |||
| 106 | |||
| 107 | void |
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| 108 | V_MarkRect |
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| 109 | ( int x, |
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| 110 | int y, |
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| 111 | int width, |
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| 112 | int height ); |
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| 113 | |||
| 114 | #endif |
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| 115 | //----------------------------------------------------------------------------- |
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| 116 | // |
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| 117 | // $Log:$ |
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| 118 | // |
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| 119 | //----------------------------------------------------------------------------- |