/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */

#include "System/float3.h"

#include "System/creg/creg_cond.h"

#include "System/myMath.h"

#include <cmath> // std::min, std::max, std::fabs

CR_BIND(float3, )

CR_REG_METADATA(float3, (CR_MEMBER(x), CR_MEMBER(y), CR_MEMBER(z)))

//! gets initialized later when the map is loaded

float float3::maxxpos = -1.0f;

float float3::maxzpos = -1.0f;

#if (__cplusplus <= 199711L) && !defined(__GXX_EXPERIMENTAL_CXX0X__) && (!defined(__GNUC__) || defined (__clang__))

const float float3::CMP_EPS = 1e-4f;

const float float3::NORMALIZE_EPS = 1e-12f;

#endif

bool float3::IsInBounds() const

{

assert(maxxpos > 0.0f); // check if initialized

return ((x >= 0.0f && x <= maxxpos) && (z >= 0.0f && z <= maxzpos));

}

void float3::ClampInBounds()

{

assert(maxxpos > 0.0f); // check if initialized

x = Clamp(x, 0.0f, maxxpos);

z = Clamp(z, 0.0f, maxzpos);

}

bool float3::IsInMap() const

{

assert(maxxpos > 0.0f); // check if initialized

return ((x >= 0.0f && x <= maxxpos + 1) && (z >= 0.0f && z <= maxzpos + 1));

}

void float3::ClampInMap()

{

assert(maxxpos > 0.0f); // check if initialized

x = Clamp(x, 0.0f, maxxpos + 1);

z = Clamp(z, 0.0f, maxzpos + 1);

}

float3 float3::min(const float3 v1, const float3 v2)

{

return float3(std::min(v1.x, v2.x), std::min(v1.y, v2.y), std::min(v1.z, v2.z));

}

float3 float3::max(const float3 v1, const float3 v2)

{

return float3(std::max(v1.x, v2.x), std::max(v1.y, v2.y), std::max(v1.z, v2.z));

}

float3 float3::fabs(const float3 v)

{

return float3(std::fabs(v.x), std::fabs(v.y), std::fabs(v.z));

}