src/mapgen/treegen.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>,
   4                           2012-2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include <matrix4.h>
  23 #include "noise.h"
  24
  25 class MMVManip;
  26 class INodeDefManager;
  27 class ServerEnvironment;
  28
  29
  30 namespace treegen {
  31
  32         enum error {
  33                 SUCCESS,
  34                 UNBALANCED_BRACKETS
  35         };
  36
  37         struct TreeDef {
  38                 std::string initial_axiom;
  39                 std::string rules_a;
  40                 std::string rules_b;
  41                 std::string rules_c;
  42                 std::string rules_d;
  43
  44                 MapNode trunknode;
  45                 MapNode leavesnode;
  46                 MapNode leaves2node;
  47
  48                 int leaves2_chance;
  49                 int angle;
  50                 int iterations;
  51                 int iterations_random_level;
  52                 std::string trunk_type;
  53                 bool thin_branches;
  54                 MapNode fruitnode;
  55                 int fruit_chance;
  56                 s32 seed;
  57                 bool explicit_seed;
  58         };
  59
  60         // Add default tree
  61         void make_tree(MMVManip &vmanip, v3s16 p0,
  62                 bool is_apple_tree, INodeDefManager *ndef, s32 seed);
  63         // Add jungle tree
  64         void make_jungletree(MMVManip &vmanip, v3s16 p0,
  65                 INodeDefManager *ndef, s32 seed);
  66         // Add pine tree
  67         void make_pine_tree(MMVManip &vmanip, v3s16 p0,
  68                 INodeDefManager *ndef, s32 seed);
  69
  70         // Add L-Systems tree (used by engine)
  71         treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
  72                 TreeDef tree_definition);
  73         // Spawn L-systems tree from LUA
  74         treegen::error spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
  75                 const TreeDef &tree_definition);
  76
  77         // L-System tree gen helper functions
  78         void tree_node_placement(MMVManip &vmanip, v3f p0,
  79                 MapNode node);
  80         void tree_trunk_placement(MMVManip &vmanip, v3f p0,
  81                 TreeDef &tree_definition);
  82         void tree_leaves_placement(MMVManip &vmanip, v3f p0,
  83                 PseudoRandom ps, TreeDef &tree_definition);
  84         void tree_single_leaves_placement(MMVManip &vmanip, v3f p0,
  85                 PseudoRandom ps, TreeDef &tree_definition);
  86         void tree_fruit_placement(MMVManip &vmanip, v3f p0,
  87                 TreeDef &tree_definition);
  88         irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis);
  89
  90         v3f transposeMatrix(irr::core::matrix4 M ,v3f v);
  91
  92 }; // namespace treegen