treegen.h

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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 <string>
#include "irr_v3d.h"
#include "nodedef.h"
#include "mapnode.h"
 
class MMVManip;
class NodeDefManager;
class ServerMap;
 
namespace treegen {
 
    enum error {
        SUCCESS,
        UNBALANCED_BRACKETS
    };
 
    struct TreeDef : public NodeResolver {
        TreeDef() :
            // Initialize param1 and param2
            trunknode(CONTENT_IGNORE),
            leavesnode(CONTENT_IGNORE),
            leaves2node(CONTENT_IGNORE),
            fruitnode(CONTENT_IGNORE)
        {}
        virtual void resolveNodeNames();
 
        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);
 
    // Spawn L-Systems tree on VManip
    treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, const TreeDef &def);
    // Helper to spawn it directly on map
    treegen::error spawn_ltree(ServerMap *map, v3s16 p0, const TreeDef &def);
}; // namespace treegen