nuclide/Source/math.h

102 lines
2.1 KiB
C
Executable file

/***
*
* Copyright (c) 2016-2019 Marco 'eukara' Hladik. All rights reserved.
*
* See the file LICENSE attached with the sources for usage details.
*
****/
#define MATH_PI 3.1415926
float Math_Time(void)
{
#ifdef CSQC
return 0;
#else
return 0;
#endif
}
float Math_LerpAngle( float fStart, float fEnd, float fAmount ) {
float shortest_angle = ( ( ( ( fEnd - fStart ) % 360 ) + 540 ) % 360 ) - 180;
return shortest_angle * fAmount;
}
float Math_Lerp( float fA, float fB, float fPercent ) {
return ( fA * ( 1 - fPercent ) ) + ( fB * fPercent );
}
float Math_VectorNormalize( vector v ) {
float length, ilength;
length = v[0]*v[0] + v[1]*v[1] + v[2]*v[2];
length = sqrt( length ); // FIXME
if ( length ) {
ilength = 1 / length;
v[0] *= ilength;
v[1] *= ilength;
v[2] *= ilength;
}
return length;
}
void Math_VectorScale( vector in, float scale, __inout vector out ) {
out[0] = in[0] * scale;
out[1] = in[1] * scale;
out[2] = in[2] * scale;
}
float Math_FixDelta( float fDelta ) {
if ( fDelta >= 180 ) {
fDelta -= 360;
} else if ( fDelta <= -180 ) {
fDelta += 360;
}
return fDelta;
}
vector Math_Reflect( vector v1, vector v2 )
{
return v1 - 2 * dotproduct( v1, v2 ) * v2;
}
float Math_CRandom( void ) {
return 2 * ( random() - 0.5 );
}
#if defined(SSQC) || defined(CSQC)
//.vector basevelocity;
int QPhysics_IsStuck( entity eTarget, vector vOffset, vector vecMins, vector vecMaxs )
{
if ( eTarget.solid != SOLID_SLIDEBOX ) {
return FALSE;
}
tracebox( eTarget.origin + vOffset, vecMins, vecMaxs, eTarget.origin + vOffset, FALSE, eTarget );
return trace_startsolid;
}
void PMove_Run (void)
void QPhysics_Run ( entity eTarget )
{
entity eOld = self;
self = eTarget;
float flFallVel = ( self.flags & FL_ONGROUND ) ? 0 : -self.velocity[2];
#ifdef CSTRIKE
self.maxspeed = Game_GetMaxSpeed( self );
#endif
PMove_Run();
#ifdef SSQC
if ( ( self.flags & FL_ONGROUND ) && self.movetype == MOVETYPE_WALK && ( flFallVel > 580 )) {
float fFallDamage = ( flFallVel - 580 ) * ( 100 / ( 1024 - 580 ) );
Damage_Apply( self, world, fFallDamage, self.origin, FALSE );
}
#endif
self = eOld;
}
#endif