96 lines
3.5 KiB
C++
96 lines
3.5 KiB
C++
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/*
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** Command & Conquer Renegade(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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/***********************************************************************************************
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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 : WWMath *
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* *
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* $Archive:: /Commando/Code/wwmath/wwmath.cpp $*
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* *
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* Author:: Eric_c *
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* *
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* $Modtime:: 5/10/01 10:52p $*
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* *
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* $Revision:: 11 $*
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* *
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*---------------------------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#include "wwmath.h"
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#include "wwhack.h"
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#include "lookuptable.h"
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#include <stdlib.h>
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#include "wwdebug.h"
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#include "wwprofile.h"
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// TODO: convert to use loouptablemanager...
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float _FastAcosTable[ARC_TABLE_SIZE];
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float _FastAsinTable[ARC_TABLE_SIZE];
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float _FastSinTable[SIN_TABLE_SIZE];
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float _FastInvSinTable[SIN_TABLE_SIZE];
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void WWMath::Init(void)
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{
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LookupTableMgrClass::Init();
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for (int a=0;a<ARC_TABLE_SIZE;++a) {
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float cv=float(a-ARC_TABLE_SIZE/2)*(1.0f/(ARC_TABLE_SIZE/2));
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_FastAcosTable[a]=acos(cv);
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_FastAsinTable[a]=asin(cv);
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}
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for (a=0;a<SIN_TABLE_SIZE;++a) {
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float cv= (float)a * 2.0f * WWMATH_PI / SIN_TABLE_SIZE; //float(a-SIN_TABLE_SIZE/2)*(1.0f/(SIN_TABLE_SIZE/2));
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_FastSinTable[a]=sin(cv);
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if (a>0) {
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_FastInvSinTable[a]=1.0f/_FastSinTable[a];
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} else {
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_FastInvSinTable[a]=WWMATH_FLOAT_MAX;
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}
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}
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}
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void WWMath::Shutdown(void)
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{
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LookupTableMgrClass::Shutdown();
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}
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float WWMath::Random_Float(void)
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{
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return ((float)(rand() & 0xFFF)) / (float)(0xFFF);
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}
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/*
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** Force link some modules from this library.
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*/
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void Do_Force_Links(void)
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{
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FORCE_LINK(curve);
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FORCE_LINK(hermitespline);
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FORCE_LINK(catmullromspline);
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FORCE_LINK(cardinalspline);
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FORCE_LINK(tcbspline);
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}
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