81 lines
3.7 KiB
C++
81 lines
3.7 KiB
C++
/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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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. See the
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** GNU General Public License for more details.
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**
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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, see <http://www.gnu.org/licenses/>.
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*/
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/* $Header: /CounterStrike/FACING.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 : FACING.H *
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* *
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* Programmer : Joe L. Bostic *
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* *
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* Start Date : 03/21/95 *
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* *
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* Last Update : March 21, 1995 [JLB] *
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef FACING_H
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#define FACING_H
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/*
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** This is a general facing handler class. It is used in those cases where facing needs to be
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** kept track of, but there could also be an associated desired facing. The current facing
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** is supposed to transition to the desired state over time. Using this class facilitates this
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** processing as well as isolating the rest of the code from the internals.
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*/
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class FacingClass
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{
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public:
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FacingClass(void);
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FacingClass(DirType dir) : CurrentFacing(dir), DesiredFacing(dir) {};
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FacingClass(NoInitClass const & ) {};
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operator DirType (void) const {return(CurrentFacing);};
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DirType Current(void) const {return(CurrentFacing);};
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DirType Desired(void) const {return(DesiredFacing);};
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int Set_Desired(DirType facing);
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int Set_Current(DirType facing);
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void Set(DirType facing) {
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Set_Current(facing);
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Set_Desired(facing);
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};
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DirType Get(void) const { return CurrentFacing; }
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int Is_Rotating(void) const {return (DesiredFacing != CurrentFacing);};
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int Difference(void) const {return (int)(signed char)((int)DesiredFacing - (int)CurrentFacing);}
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int Difference(DirType facing) const {return (int)(signed char)((int)facing - (int)CurrentFacing);}
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int Rotation_Adjust(int rate);
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private:
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DirType CurrentFacing;
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DirType DesiredFacing;
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};
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#endif
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