local sdraia_list = {
	{ "Red sdraia", "red"},
	{ "Orange sdraia", "orange"},
    { "Black sdraia", "black"},
	{ "Yellow sdraia", "yellow"},
	{ "Green sdraia", "green"},
	{ "Blue sdraia", "blue"},
	{ "Violet sdraia", "violet"},
}

for i in ipairs(sdraia_list) do
	local sdraiadesc = sdraia_list[i][1]
	local colour = sdraia_list[i][2]
	local sleep_in_sdraia = function( pos, node, clicker, itemstack, pointed_thing )
		if( not( clicker ) or not( node ) or not( node.name ) or not( pos ) or not( minetest.allow_sit( clicker))) then
			return;
		end

		local animation = default.player_get_animation( clicker );
		local pname = clicker:get_player_name();

		local place_name = 'place';
		-- if only one node is present, the player can only sit;
		-- sleeping requires a sdraia head+foot or two sleeping mats
		local allow_sleep = false;
		local new_animation = 'lay';

		-- let players get back up
		if( animation and animation.animation=="lay" ) then
			default.player_attached[pname] = false
			clicker:setpos({x=pos.x,y=pos.y-0.5,z=pos.z})
			clicker:set_eye_offset({x=0,y=0,z=0}, {x=0,y=0,z=0})
			clicker:set_physics_override(1, 1, 1)
			default.player_set_animation(clicker, "stand", 30)
			minetest.chat_send_player( pname, 'You stand up again.');
			return;
		end

		local second_node_pos = {x=pos.x, y=pos.y, z=pos.z};
		-- the node that will contain the head of the player
		local p = {x=pos.x, y=pos.y, z=pos.z};
		-- the player's head is pointing in this direction
		local dir = node.param2;
		-- it would be odd to sleep in half a sdraia
		if(     node.name=="summer:sdraia_"..colour.."" ) then
			if(     node.param2==0 ) then
				second_node_pos.z = pos.z-1;
			elseif( node.param2==1) then
				second_node_pos.x = pos.x-1;
			elseif( node.param2==2) then
				second_node_pos.z = pos.z+1;
			elseif( node.param2==3) then
				second_node_pos.x = pos.x+1;
			end
			local node2 = minetest.get_node( second_node_pos );
			if( not( node2 ) or not( node2.param2 ) or not( node.param2 )
					or node2.name   ~= "summer:sdraia_"..colour..""
					or node2.param2 ~= node.param2 ) then
				allow_sleep = false;
			else
				allow_sleep = true;
			end
			place_name = "sdraia_"..colour.."";

			-- if the player clicked on the foot of the sdraia, locate the head
		elseif( node.name=='summer:sdraia' ) then
			if(     node.param2==2 ) then
				second_node_pos.z = pos.z-1;
			elseif( node.param2==3) then
				second_node_pos.x = pos.x-1;
			elseif( node.param2==0) then
				second_node_pos.z = pos.z+1;
			elseif( node.param2==1) then
				second_node_pos.x = pos.x+1;
			end
			local node2 = minetest.get_node( second_node_pos );
			if( not( node2 ) or not( node2.param2 ) or not( node.param2 )
					or node2.name   ~= 'summer:sdraia'
					or node2.param2 ~= node.param2 ) then
				allow_sleep = false;
			else
				allow_sleep = true;
			end
			if( allow_sleep==true ) then
				p = {x=second_node_pos.x, y=second_node_pos.y, z=second_node_pos.z};
			end
			place_name = 'sdraia';

		elseif( node.name=='summer:sleeping_mat' or node.name=='summer:straw_mat') then
			place_name = 'mat';
			dir = node.param2;
			allow_sleep = false;
			-- search for a second mat right next to this one
			local offset = {{x=0,z=-1}, {x=-1,z=0}, {x=0,z=1}, {x=1,z=0}};
			for i,off in ipairs( offset ) do
				node2 = minetest.get_node( {x=pos.x+off.x, y=pos.y, z=pos.z+off.z} );
				if( node2.name == 'summer:sleeping_mat' or node2.name=='summer:straw_mat' ) then
					-- if a second mat is found, sleeping is possible
					allow_sleep = true;
					dir = i-1;
				end
			end
		end

		-- set the right height for the sdraia
		if( place_name=='sdraia' ) then
			p.y = p.y-0.4;
		end
		if( allow_sleep==true ) then
			-- set the right position (middle of the sdraia)
			if(     dir==0 ) then
				p.z = p.z-0.5;
			elseif( dir==1 ) then
				p.x = p.x-0.5;
			elseif( dir==2 ) then
				p.z = p.z+0.5;
			elseif( dir==3 ) then
				p.x = p.x+0.5;
			end
		end

		minetest.chat_send_player( pname, 'Состояние ' .. new_animation);
		if( default.player_attached[pname] and animation.animation=="sit") then
			-- just changing the animation...
			if( allow_sleep==true ) then
				default.player_set_animation(clicker, "lay", 30)
				clicker:set_eye_offset({x=0,y=-14,z=2}, {x=0,y=0,z=0})
				minetest.chat_send_player( pname, 'you lay A right-click will wake you up.');
				return;
				-- no sleeping on this place
			else
				default.player_attached[pname] = false
				clicker:setpos({x=pos.x,y=pos.y-0.5,z=pos.z})
				clicker:set_eye_offset({x=0,y=0,z=0}, {x=0,y=0,z=0})
				clicker:set_physics_override(1, 1, 1)
				default.player_set_animation(clicker, "stand", 30)
				minetest.chat_send_player( pname, 'That was enough sitting around for now. You stand up again.');
				return;
			end
		end


		clicker:set_eye_offset({x=0,y=3,z=2}, {x=0,y=10,z=0})
		clicker:setpos( p );
		default.player_set_animation(clicker, new_animation, 30)
		clicker:set_physics_override()
		default.player_attached[pname] = true


	end


    
   minetest.register_node("summer:sdraia_"..colour.."", {
	    description = sdraiadesc.."",
	    drawtype = "mesh",
		mesh = "sdraia.obj",
	    tiles = {"sdraia_"..colour..".png",
	    },	    
        inventory_image = "sdraia_"..colour.."_inv.png",
	    
        wield_image  = "sdraia_"..colour..".png" ,
	    paramtype = "light",
	    paramtype2 = "facedir",
	    selection_box = {
	        type = "fixed",
	        fixed = { 0.4, 0.1,1.0, -0.4,-0.49, -1.0 },
	    },
		collision_box = {
			type = "fixed",
			fixed = {
				{0.4, 0.1,1.0, -0.4,-0.49, -1.0},
			},
		},
		is_ground_content = false,
		groups = {cracky=3,oddly_breakable_by_hand=3,not_in_creative_inventory=0},
		--sounds = default.node_sound_wood_defaults(),
        drop = "summer:sdraia_"..colour.."",        
		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
				return sleep_in_sdraia( pos, node, clicker, itemstack, pointed_thing );
			end
        
 
   })
   

	minetest.allow_sit = function( player )
		-- no check possible
		if( not( player.get_player_velocity )) then
			return true;
		end
		local velo = player:get_player_velocity();
		if( not( velo )) then
			return false;
		end
		local max_velo = 0.0010;
		if(   math.abs(velo.x) < max_velo
		  and math.abs(velo.y) < max_velo
		  and math.abs(velo.z) < max_velo ) then
			return true;
		end
		return false;
	end
end