92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
//=======================================================================
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// Copyright XashXT Group 2008 ©
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// cl_physics.c - client physic and prediction
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//=======================================================================
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#include "common.h"
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#include "client.h"
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#include "matrix_lib.h"
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#include "const.h"
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#include "pm_defs.h"
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/*
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================
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CL_CheckVelocity
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================
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*/
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void CL_CheckVelocity( edict_t *ent )
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{
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int i;
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float maxvel;
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maxvel = fabs( clgame.movevars.maxvelocity );
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// bound velocity
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for( i = 0; i < 3; i++ )
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{
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if( IS_NAN( ent->v.velocity[i] ))
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{
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MsgDev( D_INFO, "Got a NaN velocity on %s\n", STRING( ent->v.classname ));
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ent->v.velocity[i] = 0;
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}
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if( IS_NAN( ent->v.origin[i] ))
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{
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MsgDev( D_INFO, "Got a NaN origin on %s\n", STRING( ent->v.classname ));
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ent->v.origin[i] = 0;
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}
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}
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if( VectorLength( ent->v.velocity ) > maxvel )
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VectorScale( ent->v.velocity, maxvel / VectorLength( ent->v.velocity ), ent->v.velocity );
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}
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/*
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=============
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CL_CheckWater
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=============
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*/
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bool CL_CheckWater( edict_t *ent )
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{
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int cont;
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vec3_t point;
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point[0] = ent->v.origin[0];
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point[1] = ent->v.origin[1];
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point[2] = ent->v.origin[2] + ent->v.mins[2] + 1;
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ent->v.waterlevel = 0;
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ent->v.watertype = CONTENTS_EMPTY;
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cont = CL_PointContents( point );
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if( cont <= CONTENTS_WATER )
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{
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ent->v.watertype = cont;
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ent->v.waterlevel = 1;
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point[2] = ent->v.origin[2] + (ent->v.mins[2] + ent->v.maxs[2]) * 0.5f;
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if( CL_PointContents( point ) <= CONTENTS_WATER )
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{
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ent->v.waterlevel = 2;
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point[2] = ent->v.origin[2] + ent->v.view_ofs[2];
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if( CL_PointContents( point ) <= CONTENTS_WATER )
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ent->v.waterlevel = 3;
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}
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if( cont <= CONTENTS_CURRENT_0 && cont >= CONTENTS_CURRENT_DOWN )
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{
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static vec3_t current_table[] =
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{
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{ 1, 0, 0 },
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{ 0, 1, 0 },
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{-1, 0, 0 },
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{ 0, -1, 0 },
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{ 0, 0, 1 },
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{ 0, 0, -1}
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};
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float speed = 150.0f * ent->v.waterlevel / 3.0f;
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float *dir = current_table[CONTENTS_CURRENT_0 - cont];
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VectorMA( ent->v.basevelocity, speed, dir, ent->v.basevelocity );
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}
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}
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return ent->v.waterlevel > 1;
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} |