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local on_place = function ( itemstack , placer , pointed_thing )
if pointed_thing.type ~= " node " then
-- no interaction possible with entities
return itemstack
end
-- Call on_rightclick if the pointed node defines it
local node = minetest.get_node ( pointed_thing.under )
if placer and not placer : get_player_control ( ) . sneak then
if minetest.registered_nodes [ node.name ] and minetest.registered_nodes [ node.name ] . on_rightclick then
return minetest.registered_nodes [ node.name ] . on_rightclick ( pointed_thing.under , node , placer , itemstack ) or itemstack
end
end
local a = pointed_thing.above
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local u = pointed_thing.under
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local node_above = minetest.get_node ( a )
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local node_under = minetest.get_node ( u )
local def_above = minetest.registered_nodes [ node_above.name ]
local def_under = minetest.registered_nodes [ node_under.name ]
local place_pos , soil_node , place_node , soil_def , place_def
if def_under.buildable_to then
place_pos = u
place_node = node_under
place_def = def_under
elseif def_above.buildable_to then
place_pos = a
place_node = node_above
place_def = def_above
else
return itemstack
end
soil_node = minetest.get_node ( { x = place_pos.x , y = place_pos.y - 1 , z = place_pos.z } )
soil_def = minetest.registered_nodes [ soil_node.name ]
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-- Placement rules:
-- * Always allowed on podzol or mycelimu
-- * Otherwise, must be solid, opaque and have daylight light level <= 12
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local light = minetest.get_node_light ( place_pos , 0.5 )
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local light_ok = false
if light and light <= 12 then
light_ok = true
end
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if ( soil_node.name == " mcl_core:podzol " or soil_node.name == " mcl_core:podzol_snow " or soil_node.name == " mcl_core:mycelium " or soil_node == " mcl_core:mycelium_snow " ) or
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( light_ok and ( soil_def.groups and soil_def.groups . solid and soil_def.groups . opaque ) ) then
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local idef = itemstack : get_definition ( )
local success = minetest.item_place_node ( itemstack , placer , pointed_thing )
if success then
if idef.sounds and idef.sounds . place then
minetest.sound_play ( idef.sounds . place , { pos = above , gain = 1 } )
end
end
end
return itemstack
end
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local longdesc = [ [ Mushrooms are fungi which grow and spread in darkness , but are sensitive to light .
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A single mushroom will slowly spread over time towards a random solid opaque block with a light level of 12 or lower in a 3 × 3 × 3 cube around the mushroom . A mushroom stops spreading when there are 5 or more mushrooms of the same color within an area of 9 × 3 × 9 blocks around the mushroom .
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Mushrooms will eventually uproot at a light level of 12 or higher . On mycelium or podzol , they survive and spread at any light level . ] ]
local usagehelp = " Mushrooms can be placed on mycelium and podzol at any light level. They can also be placed on blocks which are both solid and opaque, as long as the light level at daytime is not higher than 12. "
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minetest.register_node ( " mcl_mushrooms:mushroom_brown " , {
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description = " Brown Mushroom " ,
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_doc_items_longdesc = longdesc ,
_doc_items_usagehelp = usagehelp ,
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drawtype = " plantlike " ,
tiles = { " farming_mushroom_brown.png " } ,
inventory_image = " farming_mushroom_brown.png " ,
wield_image = " farming_mushroom_brown.png " ,
sunlight_propagates = true ,
paramtype = " light " ,
walkable = false ,
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groups = { dig_immediate = 3 , mushroom = 1 , attached_node = 1 , dig_by_water = 1 , destroy_by_lava_flow = 1 , dig_by_piston = 1 , deco_block = 1 } ,
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sounds = mcl_sounds.node_sound_leaves_defaults ( ) ,
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light_source = 1 ,
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selection_box = {
type = " fixed " ,
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fixed = { - 3 / 16 , - 0.5 , - 3 / 16 , 3 / 16 , - 2 / 16 , 3 / 16 } ,
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} ,
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node_placement_prediction = " " ,
on_place = on_place ,
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_mcl_blast_resistance = 0 ,
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} )
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minetest.register_node ( " mcl_mushrooms:mushroom_red " , {
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description = " Red Mushroom " ,
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_doc_items_longdesc = longdesc ,
_doc_items_usagehelp = usagehelp ,
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drawtype = " plantlike " ,
tiles = { " farming_mushroom_red.png " } ,
inventory_image = " farming_mushroom_red.png " ,
wield_image = " farming_mushroom_red.png " ,
sunlight_propagates = true ,
paramtype = " light " ,
walkable = false ,
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groups = { dig_immediate = 3 , mushroom = 1 , attached_node = 1 , dig_by_water = 1 , destroy_by_lava_flow = 1 , dig_by_piston = 1 , deco_block = 1 } ,
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sounds = mcl_sounds.node_sound_leaves_defaults ( ) ,
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selection_box = {
type = " fixed " ,
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fixed = { - 3 / 16 , - 0.5 , - 3 / 16 , 3 / 16 , - 2 / 16 , 3 / 16 } ,
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} ,
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node_placement_prediction = " " ,
on_place = on_place ,
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_mcl_blast_resistance = 0 ,
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} )
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minetest.register_craftitem ( " mcl_mushrooms:mushroom_stew " , {
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description = " Mushroom Stew " ,
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_doc_items_longdesc = " Mushroom stew is a healthy soup which can be consumed for 6 hunger points. " ,
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inventory_image = " farming_mushroom_stew.png " ,
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on_place = minetest.item_eat ( 6 , " mcl_core:bowl " ) ,
on_secondary_use = minetest.item_eat ( 6 , " mcl_core:bowl " ) ,
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groups = { food = 3 , eatable = 6 } ,
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_mcl_saturation = 7.2 ,
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stack_max = 1 ,
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} )
minetest.register_craft ( {
type = " shapeless " ,
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output = " mcl_mushrooms:mushroom_stew " ,
recipe = { ' mcl_core:bowl ' , ' mcl_mushrooms:mushroom_brown ' , ' mcl_mushrooms:mushroom_red ' }
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} )
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--[[ Mushroom spread and death
Code based on information gathered from Minecraft Wiki
< http : // minecraft.gamepedia . com / Tutorials / Mushroom_farming # Videos >
] ]
minetest.register_abm ( {
label = " Mushroom spread " ,
nodenames = { " mcl_mushrooms:mushroom_brown " , " mcl_mushrooms:mushroom_red " } ,
interval = 11 ,
chance = 50 ,
action = function ( pos , node )
if minetest.get_node_light ( pos , nil ) > 12 then
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minetest.dig_node ( pos )
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return
end
local pos0 = vector.add ( pos , { x =- 4 , y =- 1 , z =- 4 } )
local pos1 = vector.add ( pos , { x = 4 , y = 1 , z = 4 } )
-- Stop mushroom spread if a 9× 3× 9 box is too crowded
if # minetest.find_nodes_in_area ( pos0 , pos1 , node.name ) >= 5 then
return
end
local selected_pos = table.copy ( pos )
-- Do two random selections which may place the new mushroom in a 5× 5× 5 cube
local random = {
x = selected_pos.x + math.random ( - 1 , 1 ) ,
y = selected_pos.y + math.random ( 0 , 1 ) - math.random ( 0 , 1 ) ,
z = selected_pos.z + math.random ( - 1 , 1 )
}
local random_node = minetest.get_node_or_nil ( random )
if not random_node or random_node.name ~= " air " then
return
end
local node_under = minetest.get_node_or_nil ( { x = random.x , y = random.y - 1 , z = random.z } )
if not node_under then
return
end
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if minetest.get_node_light ( random , 0.5 ) > 12 or ( minetest.get_item_group ( node_under.name , " opaque " ) == 0 ) then
return
end
local random2 = {
x = random.x + math.random ( - 1 , 1 ) ,
y = random.y ,
z = random.z + math.random ( - 1 , 1 )
}
random_node = minetest.get_node_or_nil ( random2 )
if not random_node or random_node.name ~= " air " then
return
end
node_under = minetest.get_node_or_nil ( { x = random2.x , y = random2.y - 1 , z = random2.z } )
if not node_under then
return
end
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if minetest.get_node_light ( random2 , 0.5 ) > 12 or ( minetest.get_item_group ( node_under.name , " opaque " ) == 0 ) or ( minetest.get_item_group ( node_under.name , " solid " ) == 0 ) then
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return
end
minetest.set_node ( random2 , { name = node.name } )
end
} )