79 lines
3.4 KiB
C
79 lines
3.4 KiB
C
//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/* $Header: /CounterStrike/FACE.H 1 3/03/97 10:24a Joe_bostic $ */
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/***********************************************************************************************
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*** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S ***
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***********************************************************************************************
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* *
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* Project Name : Command & Conquer *
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* *
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* File Name : FACE.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 03/08/96 *
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* *
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* Last Update : March 8, 1996 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef FACE_H
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#define FACE_H
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// Enumerations of the facing values returned from Desired_Facing().
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typedef enum DirType : unsigned char {
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DIR_MIN=0,
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DIR_N=0,
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DIR_NE=1<<5,
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DIR_E=2<<5,
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DIR_SE=3<<5,
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DIR_S=4<<5,
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DIR_SW=5<<5,
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DIR_W=6<<5,
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DIR_NW=7<<5,
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DIR_MAX=255
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} DirType;
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// Operators that allow simple math with DirType.
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inline DirType operator + (DirType f1, DirType f2)
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{
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return (DirType)(((int)f1 + (int)f2) & 0x00FF);
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}
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inline DirType operator + (DirType f1, int f2)
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{
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return (DirType)(((int)f1 + (int)f2) & 0x00FF);
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}
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inline DirType operator - (DirType f1, DirType f2)
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{
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return (DirType)(((int)f1 - (int)f2) & 0x00FF);
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}
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inline DirType operator - (DirType f1, int f2)
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{
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return (DirType)(((int)f1 - (int)f2) & 0x00FF);
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}
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// Function prototypes.
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DirType Desired_Facing8(int x1, int y1, int x2, int y2);
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DirType Desired_Facing256(int srcx, int srcy, int dstx, int dsty);
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#endif
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