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https://github.com/ZDoom/gzdoom-gles.git
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64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
//
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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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#pragma once
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#include "swrenderer/line/r_line.h"
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namespace swrenderer
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{
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struct drawseg_t
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{
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seg_t *curline;
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float light, lightstep;
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float iscale, iscalestep;
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short x1, x2; // Same as sx1 and sx2, but clipped to the drawseg
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short sx1, sx2; // left, right of parent seg on screen
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float sz1, sz2; // z for left, right of parent seg on screen
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float siz1, siz2; // 1/z for left, right of parent seg on screen
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float cx, cy, cdx, cdy;
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float yscale;
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uint8_t silhouette; // 0=none, 1=bottom, 2=top, 3=both
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uint8_t bFogBoundary;
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uint8_t bFakeBoundary; // for fake walls
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int shade;
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// Pointers to lists for sprite clipping, all three adjusted so [x1] is first value.
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ptrdiff_t sprtopclip; // type short
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ptrdiff_t sprbottomclip; // type short
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ptrdiff_t maskedtexturecol; // type short
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ptrdiff_t swall; // type float
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ptrdiff_t bkup; // sprtopclip backup, for mid and fake textures
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FWallTmapVals tmapvals;
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int fake; // ident fake drawseg, don't draw and clip sprites backups
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int CurrentPortalUniq; // [ZZ] to identify the portal that this drawseg is in. used for sprite clipping.
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};
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extern drawseg_t *firstdrawseg;
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extern drawseg_t *ds_p;
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extern drawseg_t *drawsegs;
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extern TArray<size_t> InterestingDrawsegs; // drawsegs that have something drawn on them
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extern size_t FirstInterestingDrawseg;
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void R_ClearDrawSegs();
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void R_FreeDrawSegs();
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drawseg_t *R_AddDrawSegment();
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void ClipMidtex(int x1, int x2);
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void R_RenderMaskedSegRange(drawseg_t *ds, int x1, int x2);
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void R_RenderFakeWall(drawseg_t *ds, int x1, int x2, F3DFloor *rover, int wallshade);
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void R_RenderFakeWallRange(drawseg_t *ds, int x1, int x2, int wallshade);
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}
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