Move files to subdirectories (#6599)

* Move files around

1 files changed, 92 insertions, 0 deletions

diff --git a/src/mapgen/treegen.h b/src/mapgen/treegen.h
new file mode 100644
index 000000000..8e5306560
--- /dev/null
+++ b/src/mapgen/treegen.h
@@ -0,0 +1,92 @@
+/*
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>,
+			  2012-2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+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 <matrix4.h>
+#include "noise.h"
+
+class MMVManip;
+class INodeDefManager;
+class ServerEnvironment;
+
+
+namespace treegen {
+
+	enum error {
+		SUCCESS,
+		UNBALANCED_BRACKETS
+	};
+
+	struct TreeDef {
+		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, INodeDefManager *ndef, s32 seed);
+	// Add jungle tree
+	void make_jungletree(MMVManip &vmanip, v3s16 p0,
+		INodeDefManager *ndef, s32 seed);
+	// Add pine tree
+	void make_pine_tree(MMVManip &vmanip, v3s16 p0,
+		INodeDefManager *ndef, s32 seed);
+
+	// Add L-Systems tree (used by engine)
+	treegen::error make_ltree(MMVManip &vmanip, v3s16 p0, INodeDefManager *ndef,
+		TreeDef tree_definition);
+	// Spawn L-systems tree from LUA
+	treegen::error spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
+		const TreeDef &tree_definition);
+
+	// L-System tree gen helper functions
+	void tree_node_placement(MMVManip &vmanip, v3f p0,
+		MapNode node);
+	void tree_trunk_placement(MMVManip &vmanip, v3f p0,
+		TreeDef &tree_definition);
+	void tree_leaves_placement(MMVManip &vmanip, v3f p0,
+		PseudoRandom ps, TreeDef &tree_definition);
+	void tree_single_leaves_placement(MMVManip &vmanip, v3f p0,
+		PseudoRandom ps, TreeDef &tree_definition);
+	void tree_fruit_placement(MMVManip &vmanip, v3f p0,
+		TreeDef &tree_definition);
+	irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis);
+
+	v3f transposeMatrix(irr::core::matrix4 M ,v3f v);
+
+}; // namespace treegen