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 #include "noise.h"
  25
  26 class ManualMapVoxelManipulator;
  27 class INodeDefManager;
  28
  29
  30 namespace treegen
  31 {
  32
  33 struct TreeDef
  34 {
  35 std::string initial_axiom;
  36 std::string rules_a;
  37 std::string rules_b;
  38 std::string rules_c;
  39 std::string rules_d;
  40 MapNode trunknode;
  41 MapNode leavesnode;
  42 MapNode leaves2node;
  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
  58         // Add L-Systems tree (used by engine)
  59         void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
  60                 TreeDef tree_definition);
  61         // Spawn L-systems tree from LUA
  62         void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
  63                 TreeDef tree_definition);
  64
  65         // L-System tree gen helper functions
  66         void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  67                 MapNode node);
  68         void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  69                 TreeDef &tree_definition);
  70         void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  71                 PseudoRandom ps, TreeDef &tree_definition);
  72         void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  73                 PseudoRandom ps, TreeDef &tree_definition);
  74         void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
  75                 TreeDef &tree_definition);
  76         irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle,v3f axis);
  77
  78         v3f transposeMatrix(irr::core::matrix4 M ,v3f v);
  79
  80 }; // namespace treegen
  81 #endif