src/treegen.h

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2012 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
  25 class ManualMapVoxelManipulator;
  26 class INodeDefManager;
  27
  28
  29 namespace treegen
  30 {
  31
  32 struct TreeDef
  33 {
  34 std::string initial_axiom;
  35 std::string rules_a;
  36 std::string rules_b;
  37 std::string rules_c;
  38 std::string rules_d;
  39 MapNode trunknode;
  40 MapNode leavesnode;
  41 MapNode leaves2node;
  42 int leaves2_chance;
  43 int angle;
  44 int iterations;
  45 int iterations_random_level;
  46 std::string trunk_type;
  47 bool thin_branches;
  48 MapNode fruitnode;
  49 int fruit_chance;
  50 };
  51
  52         // Add default tree
  53         void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
  54                 bool is_apple_tree, INodeDefManager *ndef);
  55
  56         // Add L-Systems tree (used by engine)
  57         void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
  58                 TreeDef tree_definition);
  59         // Spawn L-systems tree from LUA
  60         void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
  61                 TreeDef tree_definition);
  62
  63         // L-System tree gen helper functions
  64         void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  65                 MapNode node);
  66         void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  67                 TreeDef &tree_definition);
  68         void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  69                 TreeDef &tree_definition);
  70         void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  71                 TreeDef &tree_definition);
  72         void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  73                 TreeDef &tree_definition);
  74         irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle,v3f axis);
  75
  76         v3f transposeMatrix(irr::core::matrix4 M ,v3f v);
  77
  78 }; // namespace treegen
  79 #endif