Merge remote branch 'origin/master'

7 files changed, 160 insertions, 71 deletions

diff --git a/src/guiConfigureWorld.cpp b/src/guiConfigureWorld.cpp
index a77697f8b..38f1a554d 100644
--- a/src/guiConfigureWorld.cpp
+++ b/src/guiConfigureWorld.cpp
@@ -69,15 +69,13 @@ GUIConfigureWorld::GUIConfigureWorld(gui::IGUIEnvironment* env,
 	m_worldmods = flattenModTree(getModsInPath(worldmods_path));
 
 	// fill m_addontree with add-on mods
-	ModSpec addons("Add-Ons");
 	std::set<std::string> paths = m_gspec.addon_mods_paths;
 	for(std::set<std::string>::iterator it=paths.begin();
 		it != paths.end(); ++it)
 	{
 		std::map<std::string,ModSpec> mods = getModsInPath(*it);
-		addons.modpack_content.insert(mods.begin(), mods.end());
+		m_addontree.insert(mods.begin(), mods.end());
 	}
-	m_addontree.insert(std::make_pair(addons.name,addons));
 
 	// expand modpacks
 	m_addonmods = flattenModTree(m_addontree);
@@ -116,7 +114,7 @@ GUIConfigureWorld::GUIConfigureWorld(gui::IGUIEnvironment* env,
 		ModSpec mod = (*it).second;
 		// a mod is new if it is not a modpack, and does not occur in
 		// mod_names
-		if(mod.modpack_content.empty() &&
+		if(!mod.is_modpack &&
 		   mod_names.count(modname) == 0)
 			m_new_mod_names.insert(modname);
 	}
@@ -253,7 +251,9 @@ void GUIConfigureWorld::regenerateGui(v2u32 screensize)
 		rect += v2s32(220, 0) + topleft;
 		m_treeview = Environment->addTreeView(rect, this,
 											  GUI_ID_MOD_TREEVIEW,true);
-		buildTreeView(m_addontree, m_treeview->getRoot());
+		gui::IGUITreeViewNode* node 
+			= m_treeview->getRoot()->addChildBack(L"Add-Ons");
+		buildTreeView(m_addontree, node);
 	}
 	{
 		core::rect<s32> rect(0, 0, 120, 30);
@@ -407,8 +407,12 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 				return true;
 			}
 			case GUI_ID_ENABLEALL: {
-				if(selected_node != NULL && selected_node->getText() != NULL)
-				{
+				if(selected_node != NULL && selected_node->getParent() == m_treeview->getRoot())
+				{  
+					enableAllMods(m_addonmods,true);
+				} 
+				else if(selected_node != NULL && selected_node->getText() != NULL)
+				{  
 					std::string modname = wide_to_narrow(selected_node->getText());
 					ModSpec mod = m_addonmods[modname];
 					enableAllMods(mod.modpack_content,true);
@@ -416,6 +420,10 @@ bool GUIConfigureWorld::OnEvent(const SEvent& event)
 				return true;
 			}
 			case GUI_ID_DISABLEALL: {
+				if(selected_node != NULL && selected_node->getParent() == m_treeview->getRoot())
+				{
+					enableAllMods(m_addonmods,false);
+				} 
 				if(selected_node != NULL && selected_node->getText() != NULL)
 				{
 					std::string modname = wide_to_narrow(selected_node->getText());
@@ -517,7 +525,7 @@ void GUIConfigureWorld::buildTreeView(std::map<std::string, ModSpec> mods,
 		gui::IGUITreeViewNode* new_node = 
 			node->addChildBack(narrow_to_wide(modname).c_str());
 		m_nodes.insert(std::make_pair(modname, new_node));
-		if(!mod.modpack_content.empty())
+		if(mod.is_modpack)
 			buildTreeView(mod.modpack_content, new_node);
 		else
 		{
@@ -552,23 +560,33 @@ void GUIConfigureWorld::adjustSidebar()
 		modname_w = L"N/A";
 	std::string modname = wide_to_narrow(modname_w);
 
-	// if modpack, show enable/disable all buttons. otherwise, show
-	// enabled checkbox
-	if(node->hasChilds())
-	{
-		m_enabled_checkbox->setVisible(false);
-		m_disableall->setVisible(true);
-		m_enableall->setVisible(true);
-		m_modname_text->setText((L"Modpack: "+modname_w).c_str());
-	}	
-	else	
+	// if no mods installed, don't show buttons or checkbox on the sidebar
+	if(node->getParent() == m_treeview->getRoot() && !node->hasChilds())
 	{
 		m_disableall->setVisible(false);
 		m_enableall->setVisible(false);
-		m_enabled_checkbox->setVisible(true);
-		m_modname_text->setText((L"Mod: "+modname_w).c_str());
+		m_enabled_checkbox->setVisible(false);
+	} 
+	else
+	{
+		// if modpack, show enable/disable all buttons. otherwise, show
+		// enabled checkbox
+		if(node->getParent() == m_treeview->getRoot() ||
+		   m_addonmods[modname].is_modpack)
+		{
+			m_enabled_checkbox->setVisible(false);
+			m_disableall->setVisible(true);
+			m_enableall->setVisible(true);
+			m_modname_text->setText((L"Modpack: "+modname_w).c_str());
+		}	
+		else	
+		{
+			m_disableall->setVisible(false);
+			m_enableall->setVisible(false);
+			m_enabled_checkbox->setVisible(true);
+			m_modname_text->setText((L"Mod: "+modname_w).c_str());
+		}
 	}
-
 	// the mod is enabled unless it is disabled in the world.mt settings. 
 	bool mod_enabled = true;
 	if(m_settings.exists("load_mod_"+modname))
@@ -616,7 +634,7 @@ void GUIConfigureWorld::enableAllMods(std::map<std::string, ModSpec> mods,bool e
 		it != mods.end(); ++it)
 	{
 		ModSpec mod = (*it).second;
-		if(!mod.modpack_content.empty()) 
+		if(mod.is_modpack) 
 			// a modpack, recursively enable all mods in it
 			enableAllMods(mod.modpack_content,enable);
 		else // not a modpack
diff --git a/src/guiMainMenu.cpp b/src/guiMainMenu.cpp
index 77a5a85b8..9291bb4ec 100644
--- a/src/guiMainMenu.cpp
+++ b/src/guiMainMenu.cpp
@@ -1048,12 +1048,12 @@ bool GUIMainMenu::OnEvent(const SEvent& event)
 					GUIConfigureWorld *menu = new GUIConfigureWorld(env, parent,
 										-1, menumgr, wspec);
 					menu->drop();
-					return true;
 				}
+				return true;
 			}
 			case GUI_ID_SERVERLIST_DELETE: {
 				gui::IGUIListBox *serverlist = (gui::IGUIListBox*)getElementFromId(GUI_ID_SERVERLIST);
-				u16 selected = ((gui::IGUIListBox*)serverlist)->getSelected();
+				s32 selected = ((gui::IGUIListBox*)serverlist)->getSelected();
 				if (selected == -1) return true;
 				ServerList::deleteEntry(m_data->servers[selected]);
 				m_data->servers = ServerList::getLocal();
diff --git a/src/mods.cpp b/src/mods.cpp
index 9e3c7d5d7..f6e3d58d7 100644
--- a/src/mods.cpp
+++ b/src/mods.cpp
@@ -46,6 +46,7 @@ std::map<std::string, ModSpec> getModsInPath(std::string path)
 			modpack_is.close(); // We don't actually need the file
 			ModSpec spec(modname,modpath);
 			spec.modpack_content = getModsInPath(modpath);
+			spec.is_modpack = true;
 			result.insert(std::make_pair(modname,spec));
 		}
 		else // not a modpack, add the modspec
@@ -76,7 +77,7 @@ std::map<std::string, ModSpec> flattenModTree(std::map<std::string, ModSpec> mod
 		it != mods.end(); ++it)
 	{
 		ModSpec mod = (*it).second;
-		if(!mod.modpack_content.empty()) //is a modpack
+		if(mod.is_modpack)
 		{
 			std::map<std::string, ModSpec> content = 
 				flattenModTree(mod.modpack_content);
@@ -98,7 +99,7 @@ std::vector<ModSpec> flattenMods(std::map<std::string, ModSpec> mods)
 		it != mods.end(); ++it)
 	{
 		ModSpec mod = (*it).second;
-		if(!mod.modpack_content.empty()) //is a modpack
+		if(mod.is_modpack)
 		{
 			std::vector<ModSpec> content = flattenMods(mod.modpack_content);
 			result.reserve(result.size() + content.size());
diff --git a/src/mods.h b/src/mods.h
index 37e2cd2db..59dffdade 100644
--- a/src/mods.h
+++ b/src/mods.h
@@ -53,6 +53,8 @@ struct ModSpec
 	//if normal mod:
 	std::set<std::string> depends;
 	std::set<std::string> unsatisfied_depends;
+
+	bool is_modpack;
 	// if modpack:
 	std::map<std::string,ModSpec> modpack_content;
 	ModSpec(const std::string name_="", const std::string path_="",
@@ -61,6 +63,7 @@ struct ModSpec
 		path(path_),
 		depends(depends_),
 		unsatisfied_depends(depends_),
+		is_modpack(false),	
 		modpack_content()	
 	{}
 };
diff --git a/src/settings.h b/src/settings.h
index 6d6db220c..2b46676c6 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -244,7 +244,9 @@ public:
 
 			updated[name] = true;
 		}
-
+		else //file contains a setting which is not in m_settings
+			value_changed=true;
+			
 		return true;
 	}
 
diff --git a/src/treegen.cpp b/src/treegen.cpp
index 49f0666bc..7530843d3 100644
--- a/src/treegen.cpp
+++ b/src/treegen.cpp
@@ -1,7 +1,7 @@
 /*
 Minetest-c55
 Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>,
-				   2012 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+			  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
@@ -118,7 +118,7 @@ void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeD
 	core::map<v3s16, MapBlock*> modified_blocks;
 	ManualMapVoxelManipulator vmanip(map);
 	v3s16 tree_blockp = getNodeBlockPos(p0);
-	vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,2,1));
+	vmanip.initialEmerge(tree_blockp - v3s16(1,1,1), tree_blockp + v3s16(1,3,1));
 	make_ltree (vmanip, p0, ndef, tree_definition);
 	vmanip.blitBackAll(&modified_blocks);
 
@@ -169,8 +169,11 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 
 	//initialize rotation matrix, position and stacks for branches
 	core::matrix4 rotation;
-	rotation=setRotationAxisRadians(rotation, M_PI/2,v3f(0,0,1));
-	v3f position = v3f(0,0,0);
+	rotation = setRotationAxisRadians(rotation, M_PI/2,v3f(0,0,1));
+	v3f position;
+	position.X = p0.X;
+	position.Y = p0.Y;
+	position.Z = p0.Z;
 	std::stack <core::matrix4> stack_orientation;
 	std::stack <v3f> stack_position;
 
@@ -223,16 +226,16 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 	//make sure tree is not floating in the air
 	if (tree_definition.trunk_type == "double")
 	{
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode);
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode);
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z+1),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z+1),dirtnode);
 	}
 	if (tree_definition.trunk_type == "crossed")
 	{
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode);
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X-1,p0.Y+position.Y-1,p0.Z+position.Z),dirtnode);
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z+1),dirtnode);
-		make_tree_node_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y-1,p0.Z+position.Z-1),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X+1,position.Y-1,position.Z),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X-1,position.Y-1,position.Z),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z+1),dirtnode);
+		tree_node_placement(vmanip,v3f(position.X,position.Y-1,position.Z-1),dirtnode);
 	}
 
 	/* build tree out of generated axiom
@@ -241,7 +244,9 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 
     G  - move forward one unit with the pen up
     F  - move forward one unit with the pen down drawing trunks and branches
-    f  - move forward one unit with the pen down drawing leaves
+    f  - move forward one unit with the pen down drawing leaves (100% chance)
+    T  - move forward one unit with the pen down drawing trunks only
+    R  - move forward one unit with the pen down placing fruit
     A  - replace with rules set A
     B  - replace with rules set B
     C  - replace with rules set C
@@ -275,35 +280,54 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 			dir = transposeMatrix(rotation,dir);
 			position+=dir;
 			break;
+		case 'T':
+			tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
+			if (tree_definition.trunk_type == "double" && !tree_definition.thin_branches)
+			{
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z+1),tree_definition);
+			}
+			if (tree_definition.trunk_type == "crossed" && !tree_definition.thin_branches)
+			{
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X-1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z-1),tree_definition);
+			}
+			dir = v3f(1,0,0);
+			dir = transposeMatrix(rotation,dir);
+			position+=dir;
+			break;
 		case 'F':
-			make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z),tree_definition);
+			tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
 			if ((stack_orientation.empty() && tree_definition.trunk_type == "double") ||
 				(!stack_orientation.empty() && tree_definition.trunk_type == "double" && !tree_definition.thin_branches))
 			{
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z),tree_definition);
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition);
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z+1),tree_definition);
 			}
 			if ((stack_orientation.empty() && tree_definition.trunk_type == "crossed") ||
 				(!stack_orientation.empty() && tree_definition.trunk_type == "crossed" && !tree_definition.thin_branches))
 			{
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X+1,p0.Y+position.Y,p0.Z+position.Z),tree_definition);
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X-1,p0.Y+position.Y,p0.Z+position.Z),tree_definition);
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z+1),tree_definition);
-				make_tree_trunk_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z-1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X+1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X-1,position.Y,position.Z),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z+1),tree_definition);
+				tree_trunk_placement(vmanip,v3f(position.X,position.Y,position.Z-1),tree_definition);
 			}
 			if (stack_orientation.empty() == false)
 			{
 				s16 size = 1;
-				for(x=-size; x<size+1; x++)
-					for(y=-size; y<size+1; y++)
-						for(z=-size; z<size+1; z++)
+				for(x=-size; x<=size; x++)
+					for(y=-size; y<=size; y++)
+						for(z=-size; z<=size; z++)
 							if (abs(x) == size && abs(y) == size && abs(z) == size)
 							{
-								make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x+1,p0.Y+position.Y+y,p0.Z+position.Z+z),tree_definition);
-								make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x-1,p0.Y+position.Y+y,p0.Z+position.Z+z),tree_definition);
-								make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x,p0.Y+position.Y+y,p0.Z+position.Z+z+1),tree_definition);
-								make_tree_leaves_placement(vmanip,v3f(p0.X+position.X+x,p0.Y+position.Y+y,p0.Z+position.Z+z-1),tree_definition);
+								tree_leaves_placement(vmanip,v3f(position.X+x+1,position.Y+y,position.Z+z),tree_definition);
+								tree_leaves_placement(vmanip,v3f(position.X+x-1,position.Y+y,position.Z+z),tree_definition);
+								tree_leaves_placement(vmanip,v3f(position.X+x,position.Y+y,position.Z+z+1),tree_definition);
+								tree_leaves_placement(vmanip,v3f(position.X+x,position.Y+y,position.Z+z-1),tree_definition);
 							}
 			}
 			dir = v3f(1,0,0);
@@ -311,12 +335,19 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 			position+=dir;
 			break;
 		case 'f':
-			make_tree_leaves_placement(vmanip,v3f(p0.X+position.X,p0.Y+position.Y,p0.Z+position.Z),tree_definition);
+			tree_single_leaves_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
 			dir = v3f(1,0,0);
 			dir = transposeMatrix(rotation,dir);
 			position+=dir;
 			break;
-		// turtle commands
+		case 'R':
+			tree_fruit_placement(vmanip,v3f(position.X,position.Y,position.Z),tree_definition);
+			dir = v3f(1,0,0);
+			dir = transposeMatrix(rotation,dir);
+			position+=dir;
+			break;
+
+		// turtle orientation commands
 		case '[':
 			stack_orientation.push(rotation);
 			stack_position.push(position);
@@ -363,7 +394,7 @@ void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *nd
 	}
 }
 
-void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		MapNode node)
 {
 	v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
@@ -376,7 +407,7 @@ void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 	vmanip.m_data[vmanip.m_area.index(p1)] = node;
 }
 
-void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		TreeDef &tree_definition)
 {
 	v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
@@ -389,7 +420,7 @@ void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 	vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.trunknode;
 }
 
-void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		TreeDef &tree_definition)
 {
 	MapNode leavesnode=tree_definition.leavesnode;
@@ -401,7 +432,7 @@ void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 	u32 vi = vmanip.m_area.index(p1);
 	if(vmanip.m_data[vi].getContent() != CONTENT_AIR
 			&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
-		return;
+		return;	
 	if (tree_definition.fruit_chance>0)
 	{
 		if (myrand_range(1,100) > 100-tree_definition.fruit_chance)
@@ -413,6 +444,35 @@ void make_tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
 }
 
+void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+		TreeDef &tree_definition)
+{
+	MapNode leavesnode=tree_definition.leavesnode;
+	if (myrand_range(1,100) > 100-tree_definition.leaves2_chance)
+		leavesnode=tree_definition.leaves2node;
+	v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
+	if(vmanip.m_area.contains(p1) == false)
+		return;
+	u32 vi = vmanip.m_area.index(p1);
+	if(vmanip.m_data[vi].getContent() != CONTENT_AIR
+		&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
+		return;
+	vmanip.m_data[vmanip.m_area.index(p1)] = leavesnode;
+}
+
+void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+		TreeDef &tree_definition)
+{
+	v3s16 p1 = v3s16(myround(p0.X),myround(p0.Y),myround(p0.Z));
+	if(vmanip.m_area.contains(p1) == false)
+		return;
+	u32 vi = vmanip.m_area.index(p1);
+	if(vmanip.m_data[vi].getContent() != CONTENT_AIR
+		&& vmanip.m_data[vi].getContent() != CONTENT_IGNORE)
+		return;
+	vmanip.m_data[vmanip.m_area.index(p1)] = tree_definition.fruitnode;
+}
+
 irr::core::matrix4 setRotationAxisRadians(irr::core::matrix4 M, double angle, v3f axis)
 {
 	double c = cos(angle);
diff --git a/src/treegen.h b/src/treegen.h
index 1435d6bb2..cb365f4be 100644
--- a/src/treegen.h
+++ b/src/treegen.h
@@ -1,7 +1,7 @@
 /*
 Minetest-c55
 Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>,
-				   2012 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
+			  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
@@ -51,24 +51,29 @@ int fruit_chance;
 
 	// Add default tree
 	void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
-			bool is_apple_tree, INodeDefManager *ndef);
-	
+		bool is_apple_tree, INodeDefManager *ndef);
+
 	// Add L-Systems tree (used by engine)
 	void make_ltree(ManualMapVoxelManipulator &vmanip, v3s16 p0, INodeDefManager *ndef,
 		TreeDef tree_definition);
 	// Spawn L-systems tree from LUA
-	void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef, TreeDef tree_definition);	
-	
+	void spawn_ltree (ServerEnvironment *env, v3s16 p0, INodeDefManager *ndef,
+		TreeDef tree_definition);
+
 	// L-System tree gen helper functions
-	void make_tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+	void tree_node_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		MapNode node);
-	void make_tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+	void tree_trunk_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+		TreeDef &tree_definition);
+	void tree_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+		TreeDef &tree_definition);
+	void tree_single_leaves_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
+		TreeDef &tree_definition);
+	void tree_fruit_placement(ManualMapVoxelManipulator &vmanip, v3f p0,
 		TreeDef &tree_definition);
-	void make_tree_leaves_placement(ManualMapVoxelManipulator &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
 #endif