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* Restructure mod directoryorwell962017-01-04
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/*
Minetest
Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>
Copyright (C) 2015-2018 paramat

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#pragma once

#include "voxel.h"
#include "noise.h"
#include "mapgen.h"

#define VMANIP_FLAG_DUNGEON_INSIDE VOXELFLAG_CHECKED1
#define VMANIP_FLAG_DUNGEON_PRESERVE VOXELFLAG_CHECKED2
#define VMANIP_FLAG_DUNGEON_UNTOUCHABLE (\
		VMANIP_FLAG_DUNGEON_INSIDE|VMANIP_FLAG_DUNGEON_PRESERVE)

class MMVManip;
class NodeDefManager;

v3s16 rand_ortho_dir(PseudoRandom &random, bool diagonal_dirs);
v3s16 turn_xz(v3s16 olddir, int t);
void random_turn(PseudoRandom &random, v3s16 &dir);
int dir_to_facedir(v3s16 d);


struct DungeonParams {
	s32 seed;

	content_t c_wall;
	// Randomly scattered alternative wall nodes
	content_t c_alt_wall;
	content_t c_stair;

	// 3D noise that determines which c_wall nodes are converted to c_alt_wall
	NoiseParams np_alt_wall;

	// Number of dungeons generated in mapchunk. All will use the same set of
	// dungeonparams.
	u16 num_dungeons;
	// Dungeons only generate in ground
	bool only_in_ground;
	// Number of rooms
	u16 num_rooms;
	// Room size random range. Includes walls / floor / ceilng
	v3s16 room_size_min;
	v3s16 room_size_max;
	// Large room size random range. Includes walls / floor / ceilng
	v3s16 room_size_large_min;