mirror of
https://github.com/DrBeef/Raze.git
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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
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//-------------------------------------------------------------------------
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/*
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Copyright (C) 2010-2019 EDuke32 developers and contributors
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Copyright (C) 2019 Nuke.YKT
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This file is part of NBlood.
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NBlood is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program 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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#include "compat.h"
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#include "common_game.h"
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#include "crc32.h"
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#include "globals.h"
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#include "screen.h"
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int qanimateoffs(int a1, int a2)
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{
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int offset = 0;
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if (a1 >= 0 && a1 < kMaxTiles)
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{
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int frames = picanm[a1].num;
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if (frames > 0)
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{
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int vd;
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if ((a2&0xc000) == 0x8000)
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vd = (Bcrc32(&a2, 2, 0)+gFrameClock)>>(picanm[a1].sf&PICANM_ANIMSPEED_MASK);
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else
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vd = gFrameClock>>(picanm[a1].sf&PICANM_ANIMSPEED_MASK);
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switch (picanm[a1].sf&PICANM_ANIMTYPE_MASK)
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{
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case PICANM_ANIMTYPE_OSC:
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offset = vd % (2*frames);
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if (offset >= frames)
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offset = 2*frames-offset;
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break;
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case PICANM_ANIMTYPE_FWD:
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offset = vd % (frames+1);
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break;
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case PICANM_ANIMTYPE_BACK:
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offset = -(vd % (frames+1));
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break;
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}
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}
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}
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return offset;
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}
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void qloadpalette()
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{
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scrLoadPalette();
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}
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int32_t qgetpalookup(int32_t a1, int32_t a2)
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{
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if (gFogMode)
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return ClipHigh(a1 >> 8, 15) * 16 + ClipRange(a2, 0, 15);
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else
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return ClipRange((a1 >> 8) + a2, 0, 63);
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}
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