src/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 #ifndef TREEGEN_HEADER
  21 #define TREEGEN_HEADER
  22
  23 #include <matrix4.h>
  24 #include "noise.h"
  25
  26 class ManualMapVoxelManipulator;
  27 class INodeDefManager;
  28
  29
  30 namespace treegen {
  31
  32         struct TreeDef {
  33                 std::string initial_axiom;
  34                 std::string rules_a;
  35                 std::string rules_b;
  36                 std::string rules_c;
  37                 std::string rules_d;
  38
  39                 MapNode trunknode;
  40                 MapNode leavesnode;
  41                 MapNode leaves2node;
  42
  43                 int leaves2_chance;
  44                 int angle;
  45                 int iterations;
  46                 int iterations_random_level;
  47                 std::string trunk_type;
  48                 bool thin_branches;
  49                 MapNode fruitnode;
  50                 int fruit_chance;
  51                 int seed;
  52         };
  53
  54         // Add default tree
  55         void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
  56                 bool is_apple_tree, INodeDefManager *ndef, int seed);
  57         // Add jungle tree
  58         void make_jungletree(VoxelManipulator &vmanip, v3s16 p0,
  59                 INodeDefManager *ndef, int seed);
  60
  61         // Add L-Systems tree (used by engine)
  62         void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
  63                 TreeDef tree_definition);
  64         // Spawn L-systems tree from LUA
  65         void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
  66                 TreeDef tree_definition);
  67
  68         // L-System tree gen helper functions
  69         void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  70                 MapNode node);
  71         void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  72                 TreeDef &tree_definition);
  73         void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  74                 PseudoRandom ps, TreeDef &tree_definition);
  75         void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  76                 PseudoRandom ps, TreeDef &tree_definition);
  77         void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  78                 TreeDef &tree_definition);
  79         irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis);
  80
  81         v3f transposeMatrix(irr::core::matrix4 M ,v3f v);
  82
  83 }; // namespace treegen
  84 #endif