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Initial commit of Command & Conquer Renegade source code.

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2025-02-27 16:39:46 +00:00
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/*
** Command & Conquer Renegade(tm)
** Copyright 2025 Electronic Arts Inc.
**
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/***********************************************************************************************
*** 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 ***
***********************************************************************************************
* *
* Project Name : WWPhys *
* *
* $Archive:: /Commando/Code/wwphys/phunits.h $*
* *
* Author:: Greg_h *
* *
* $Modtime:: 9/22/99 9:45a $*
* *
* $Revision:: 5 $*
* *
*---------------------------------------------------------------------------------------------*
* Functions: *
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
#if defined(_MSC_VER)
#pragma once
#endif
#ifndef PHUNITS_H
#define PHUNITS_H
/*
** The purpose of this header file is to define macros and functions which
** accept data in various units and convert it to the internal units used
** by the physics system (metric probably).
**
** Examples:
** (1) defining a velocity of 10mph:
** vel = PhysicsUnits::Miles(10.0f) / PhysicsUnits::Hours(1.0f);
**
** (2) defining a mass of 10 grams:
** mass = PhysicsUnits::Grams(10.0f);
**
** (3) defining a force of 60 Newtons (kg*m/s^2):
** hmmm... ;-)
*/
#define INCHES_TO_METERS (0.0254f)
#define FEET_TO_METERS (INCHES_TO_METERS * 12.0f)
#define YARDS_TO_METERS (INCHES_TO_METERS * 36.0f)
#define MILES_TO_METERS (FEET_TO_METERS * 5280.0f)
#define PHYSICS_INCHES(x) (INCHES_TO_METERS * (x))
#define PHYSICS_FEET(x) (FEET_TO_METERS * (x))
#define PHYSICS_YARDS(x) (YARDS_TO_METERS * (x))
#define PHYSICS_MILES(x) (MILES_TO_METERS * (x))
#define PHYSICS_MILLIMETERS(x) ((x) / 1000.0f)
#define PHYSICS_CENTIMETERS(x) ((x) / 100.0f)
#define PHYSICS_DECIMETERS(x) ((x) / 10.0f)
#define PHYSICS_METERS(x) ((x))
#define PHYSICS_KILOMETERS(x) ((x) * 1000.0f)
#define PHYSICS_SECONDS(x) ((x))
#define PHYSICS_MINUTES(x) ((x) * 60.0f)
#define PHYSICS_HOURS(x) ((x) * 60.0f * 60.0f)
#define PHYSICS_GRAMS(x) ((x) * 1000.0f)
#define PHYSICS_KILOGRAMS(x) ((x))
#define PHYSICS_NEWTONS(x) ((x))
class PhysicsUnits
{
// Distance Units:
static float Inches(float inches) { return INCHES_TO_METERS * inches; }
static float Feet(float feet) { return FEET_TO_METERS * feet; }
static float Yards(float yards) { return YARDS_TO_METERS * yards; }
static float Miles(float miles) { return MILES_TO_METERS * miles; }
static float Millimeters(float mm) { return mm / 1000.0f; }
static float Centimeters(float cm) { return cm / 100.0f; }
static float Decimeters(float dm) { return dm / 10.0f; }
static float Meters(float m) { return m; }
static float Kilometers(float km) { return km * 1000.0f; }
// Time Units:
static float Seconds(float s) { return s; }
static float Minutes(float m) { return m * 60.0f; }
static float Hours(float h) { return h * 60.0f * 60.0f; }
// Mass Units:
static float Grams(float g) { return g * 1000.0f; }
static float Kilograms(float kg) { return kg; }
// Force Units:
static float Newtons(float n) { return n; }
};
#endif /*PHUNITS_H*/