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* license stuffPerttu Ahola2010-11-29
--HG-- rename : src/licensecomment.txt => licensecomment.txt
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/*
Minetest
Copyright (C) 2010-2018 celeron55, Perttu Ahola <celeron55@gmail.com>,
Copyright (C) 2012-2018 RealBadAngel, Maciej Kasatkin
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 <matrix4.h>
#include "noise.h"

class MMVManip;
class NodeDefManager;
class ServerMap;

namespace treegen {

	enum error {
		SUCCESS,
		UNBALANCED_BRACKETS
	};

	struct TreeDef {
		std::string initial_axiom;
		std::string rules_a;
		std::string rules_b;
		std::string rules_c;
		std::string rules_d;

		MapNode trunknode;
		MapNode leavesnode;
		MapNode leaves2node;

		int leaves2_chance;
		int angle;
		int iterations;
		int iterations_random_level;
		std::string trunk_type;
		bool thin_branches;
		MapNode fruitnode;
		int fruit_chance;
		s32 seed;
		bool explicit_seed;
	};

	// Add default tree
	void make_tree(MMVManip &vmanip, v3s16 p0,
		bool is_apple_tree, const NodeDefManager *ndef, s32 seed);
	// Add jungle tree
	void make_jungletree(MMVManip &vmanip, v3s16 p0,
		const NodeDefManager *ndef, s32 seed);
	// Add pine tree
	void make_pine_tree(MMVManip &vmanip, v3s16 p0,
		const NodeDefManager *ndef, s32 seed);

	// Add L-Systems tree (used by engine)
	treegen::error make_ltree(MMVManip &vmanip, v3s16 p0,
		const NodeDefManager *ndef, TreeDef tree_definition);
	// Spawn L-systems tree from LUA
	treegen::error spawn_ltree (ServerMap *map, v3s16 p0,
		const NodeDefManager *ndef, const TreeDef &tree_definition);