/* 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));
}

