98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
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// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// $Id:$
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//
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// Copyright (C) 1993-1996 by id Software, Inc.
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//
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// This source is available for distribution and/or modification
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// only under the terms of the DOOM Source Code License as
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// published by id Software. All rights reserved.
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//
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// The source is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
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// for more details.
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//
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// DESCRIPTION:
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// Gamma correction LUT.
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// Functions to draw patches (by post) directly to screen.
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// Functions to blit a block to the screen.
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//
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//-----------------------------------------------------------------------------
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#ifndef __V_VIDEO__
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#define __V_VIDEO__
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#include "doomtype.h"
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#include "doomdef.h"
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#include "r_data.h" // Needed because we are refering to patches.
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//
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// VIDEO
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//
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#define CENTERY (SCREENHEIGHT / 2)
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// Screen 0 is the screen updated by I_Update screen.
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// Screen 1 is an extra buffer.
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extern byte* screens[5];
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extern int dirtybox[4];
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extern byte gammatable[5][256];
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extern int usegamma;
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// Allocates buffer screens, call before R_Init.
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void V_Init(void);
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void V_CopyRect(int srcx,
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int srcy,
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int srcscrn,
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int width,
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int height,
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int destx,
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int desty,
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int destscrn);
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void V_DrawPatch(int x,
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int y,
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int scrn,
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patch_t* patch);
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void V_DrawPatchDirect(int x,
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int y,
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int scrn,
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patch_t* patch);
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void V_DrawPatchRectDirect(int x, int y, int scrn, patch_t* patch, int src_x, int src_w);
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// Draw a linear block of pixels into the view buffer.
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void V_DrawBlock(int x,
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int y,
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int scrn,
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int width,
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int height,
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byte* src);
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// Reads a linear block of pixels into the view buffer.
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void V_GetBlock(int x,
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int y,
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int scrn,
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int width,
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int height,
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byte* dest);
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void V_MarkRect(int x,
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int y,
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int width,
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int height);
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#endif
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//-----------------------------------------------------------------------------
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//
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// $Log:$
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//
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//-----------------------------------------------------------------------------
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