FactoryCraft-Client/FactoryCraft/Area.cpp

#include "Area.h"


Framework::Vec3<int> getDirection(Directions dir)
{
	Framework::Vec3<int> result(0, 0, 0);
	if ((dir | NORTH) == dir)
		--result.y;
	if ((dir | EAST) == dir)
		++result.x;
	if ((dir | SOUTH) == dir)
		++result.y;
	if ((dir | WEST) == dir)
		--result.x;
	if ((dir | TOP) == dir)
		++result.z;
	if ((dir | BOTTOM) == dir)
		--result.z;
	return result;
}

int getDirectionIndex(Direction dir)
{
	if (dir == NORTH)
		return 0;
	if (dir == EAST)
		return 1;
	if (dir == SOUTH)
		return 2;
	if (dir == WEST)
		return 3;
	if (dir == TOP)
		return 4;
	if (dir == BOTTOM)
		return 5;
	assert(false);
	return -1;
}

Direction getOppositeDirection(Direction dir)
{
	if (dir == NORTH)
		return SOUTH;
	if (dir == EAST)
		return WEST;
	if (dir == SOUTH)
		return NORTH;
	if (dir == WEST)
		return EAST;
	if (dir == TOP)
		return BOTTOM;
	if (dir == BOTTOM)
		return TOP;
	assert(false);
	return NO_DIRECTION;
}

Direction getDirectionFromIndex(int index)
{
	return (Direction)(1 << index);
}

Directions getDirectionsFromVector(Framework::Vec3<float> dir)
{
	Directions dirs = NO_DIRECTION;
	if (dir.y < 0)
		dirs |= NORTH;
	else if (dir.y > 0)
		dirs |= SOUTH;
	if (dir.x < 0)
		dirs |= WEST;
	else if (dir.x > 0)
		dirs |= EAST;
	if (dir.z < 0)
		dirs |= BOTTOM;
	else if (dir.z > 0)
		dirs |= TOP;
	return dirs;
}