mirror of
https://repo.or.cz/minetest_pedology.git
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510 lines
17 KiB
Lua
510 lines
17 KiB
Lua
pedology = {}
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pedology.wetnames = {[0] = "dry", "wet", "watery", "sludgy", "muddy", "slurry" }
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dofile(minetest.get_modpath("pedology").."/settings.lua")
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if pedology.USE_DRIPS == true then
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dofile(minetest.get_modpath("pedology").."/drip.lua")
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end
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--[[ ABMs ]]
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function pedology.ooze(pos, node, active_object_count, active_object_wider)
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local wet = minetest.get_item_group(node.name, "wet")
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if wet == 0 then return end
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--[[ This table contain the nodes which are either neighbors
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of node or which touch the node at an edge or corner and which are
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not on a heigher y-level than
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of node
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]]
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local neighbors = {
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{ -- neighbor directly below
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{x=pos.x, y=pos.y-1, z=pos.z},
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minwet=1
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},
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{ -- touching the lower sides
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{x=pos.x, y=pos.y-1, z=pos.z-1},
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{x=pos.x, y=pos.y-1, z=pos.z+1},
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{x=pos.x-1, y=pos.y-1, z=pos.z},
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{x=pos.x+1, y=pos.y-1, z=pos.z},
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minwet=1
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},
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{ -- touching the lower corners
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x-1, y=pos.y-1, z=pos.z+1},
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x+1, y=pos.y-1, z=pos.z+1},
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{x=pos.x+1, y=pos.y-1, z=pos.z+1},
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minwet=1
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},
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{ -- sides on the same level
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{x=pos.x-1, y=pos.y, z=pos.z}, -- left
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{x=pos.x+1, y=pos.y, z=pos.z}, -- right
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{x=pos.x, y=pos.y, z=pos.z-1}, -- before
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{x=pos.x, y=pos.y, z=pos.z+1}, -- behind
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minwet=2
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},
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{ -- touching at the side on the same level
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x-1, y=pos.y, z=pos.z+1},
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{x=pos.x+1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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minwet=2
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},
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}
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for i=1,#neighbors do
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for j=1,#neighbors[i] do
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local node = minetest.get_node(neighbors[i][j])
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local name = node.name
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local destwet = minetest.get_item_group(name, "wet")
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if(
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(destwet < wet) and
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(minetest.get_item_group(name, "sucky") >= 1)) and
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(neighbors[i].minwet <= (wet - destwet)) then
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pedology.wetten(neighbors[i][j])
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pedology.dry(pos)
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return
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end
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end
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end
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end
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--[[ This is an ABM action which wettens the node iff many water nodes
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are neighbors of it or touching it at an edge or corner.]]
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function pedology.suck(pos, node, active_object_count, active_object_wider)
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local wet = minetest.get_item_group(node.name, "wet")
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local score = 0
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-- These three tables contain the positions of all nodes around node
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local neighbors= {
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{ -- sides
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{x=pos.x, y=pos.y-1, z=pos.z}, -- below
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{x=pos.x-1, y=pos.y, z=pos.z}, -- left
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{x=pos.x+1, y=pos.y, z=pos.z}, -- right
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{x=pos.x, y=pos.y+1, z=pos.z}, -- above
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{x=pos.x, y=pos.y, z=pos.z-1}, -- before
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{x=pos.x, y=pos.y, z=pos.z+1}, -- behind
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rating = 1
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},
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{ -- edges
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{x=pos.x, y=pos.y-1, z=pos.z-1},
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{x=pos.x, y=pos.y-1, z=pos.z+1},
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{x=pos.x, y=pos.y+1, z=pos.z-1},
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{x=pos.x, y=pos.y+1, z=pos.z+1},
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{x=pos.x-1, y=pos.y, z=pos.z-1},
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{x=pos.x-1, y=pos.y, z=pos.z+1},
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{x=pos.x+1, y=pos.y, z=pos.z-1},
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{x=pos.x+1, y=pos.y, z=pos.z+1},
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{x=pos.x-1, y=pos.y-1, z=pos.z},
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{x=pos.x-1, y=pos.y+1, z=pos.z},
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{x=pos.x+1, y=pos.y-1, z=pos.z},
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{x=pos.x+1, y=pos.y+1, z=pos.z},
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rating=0.5
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},
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{ -- corners
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x-1, y=pos.y-1, z=pos.z+1},
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{x=pos.x-1, y=pos.y+1, z=pos.z-1},
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{x=pos.x-1, y=pos.y+1, z=pos.z+1},
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{x=pos.x-1, y=pos.y-1, z=pos.z-1},
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{x=pos.x+1, y=pos.y+1, z=pos.z+1},
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{x=pos.x+1, y=pos.y+1, z=pos.z-1},
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{x=pos.x+1, y=pos.y-1, z=pos.z+1},
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{x=pos.x+1, y=pos.y-1, z=pos.z+1},
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rating=0.25
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}
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}
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for i=1,#neighbors do
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for j=1,#neighbors[i] do
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local neighbor = minetest.get_node(neighbors[i][j])
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local name = neighbor.name
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local water = minetest.get_item_group(name, "water")
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if(water >= 1) then
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score = score + neighbors[i].rating
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end
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end
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end
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local wetten = false
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if(wet == 0 and score >= 1) then
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wetten=true
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elseif(wet == 1 and score >= 2) then
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wetten= true
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elseif(wet == 2 and score >= 3) then
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wetten=true
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elseif(wet == 3 and score >= 5) then
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wetten=true
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elseif(wet == 4 and score >= 8) then
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wetten=true
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elseif(wet == 5 and score >= 11) then
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-- erosion: turn node into water
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-- TODO: Also drop the drops
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minetest.set_node(pos, {name="pedology:water_fresh_source"})
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return
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end
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if(wetten==true) then
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pedology.wetten(pos)
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end
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end
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--[[ ABM action which dries out a node when it is in direct sunlight ]]
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function pedology.sun_dry(pos, node, active_object_count, active_object_wider)
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if(minetest.get_item_group(node.name, "wet") < 6) then
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-- don’t dry off if there is water nearby
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if(not minetest.find_node_near(pos, 1, {"group:water"})) then
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local light = minetest.get_node_light(pos, minetest.get_timeofday())
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if light >= pedology.DRY_LIGHT then
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pedology.dry(pos)
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end
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end
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end
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end
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--[[ air and vacuum]]
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minetest.register_node("pedology:vacuum", {
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description = "vacuum",
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inventory_image="unknown_node.png",
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wield_image="unknown_node.png",
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paramtype="light",
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drawtype="airlike",
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damage_per_second=8,
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drowning=8,
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sunlight_propagates=true,
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walkable=false,
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pointable=false,
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diggable=false,
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buildable_to=true,
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groups={not_in_creative_inventory=1}
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})
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minetest.register_node("pedology:thinair2", {
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description = "very thin air",
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inventory_image="unknown_node.png",
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wield_image="unknown_node.png",
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paramtype="light",
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drawtype="airlike",
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sunlight_propagates=true,
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walkable=false,
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pointable=false,
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diggable=false,
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buildable_to=true,
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groups={not_in_creative_inventory=1}
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})
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minetest.register_node("pedology:thinair1", {
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description = "thin air",
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inventory_image="unknown_node.png",
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wield_image="unknown_node.png",
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paramtype="light",
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drawtype="airlike",
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sunlight_propagates=true,
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walkable=false,
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pointable=false,
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diggable=false,
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buildable_to=true,
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groups={not_in_creative_inventory=1}
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})
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--[[ liquids ]]
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function pedology.register_liquid(basename, description, alpha, viscosity, drowning, damage_per_second, post_effect_color, additional_groups)
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flowing_groups = {wet=6,not_in_creative_inventory=1}
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source_groups = {wet=6}
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for k,v in pairs(additional_groups) do
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flowing_groups[k] = v
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source_groups[k] = v
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end
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local tile = "pedology_"..basename..".png"
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local nodedef_source = {
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description = description.." source",
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inventory_image = minetest.inventorycube(tile),
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tiles = {tile},
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alpha = alpha,
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paramtype = "light",
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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drop = "",
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liquid_alternative_flowing = "pedology:"..basename.."_flowing",
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liquid_alternative_source = "pedology:"..basename.."_source",
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liquid_viscosity = viscosity,
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post_effect_color = post_effect_color,
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drowning = drowning,
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damage_per_second = damage_per_second,
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drawtype = "liquid",
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liquidtype = "source",
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groups = source_groups,
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}
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minetest.register_node("pedology:"..basename.."_source", nodedef_source)
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local nodedef_flowing = {
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description = description.." flowing",
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inventory_image = minetest.inventorycube(tile),
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tiles = {tile},
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alpha = alpha,
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paramtype = "light",
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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drop = "",
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liquid_alternative_flowing = "pedology:"..basename.."_flowing",
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liquid_alternative_source = "pedology:"..basename.."_source",
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liquid_viscosity = viscosity,
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post_effect_color = post_effect_color,
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drowning = drowning,
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damage_per_second = damage_per_second,
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drawtype = "flowingliquid",
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liquidtype = "flowing",
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groups = flowing_groups,
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paramtype2 = "flowingliquid",
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}
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minetest.register_node("pedology:"..basename.."_flowing", nodedef_flowing)
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end
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pedology.register_liquid("water_fresh", "freshwater", 100, 1, 2, 0, {a=60, r=100, b=200, g=100}, {water=1})
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--pedology.register_liquid("water_salt", "salt water", 180, 2, 4, 0, {a=80, r=120, b=200, g=120}, {water=1})
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pedology.register_liquid("water_ponding", "ponding water", 234, 4, 3, 0, {a=128, r=85, g=85, g=60}, {water=1})
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--[[
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TODO: Decide wheather to keep or to remove lava
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pedology.register_liquid("lava_1", "very hot lava", 230, 2, 10, 8, {a=230, r=255, g=0, b=0}, {hot=6000, lava=1})
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pedology.register_liquid("lava_2", "hot lava", 230, 3, 9, 7, {a=230, r=255, g=0, b=0}, {hot=5000, lava=1})
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pedology.register_liquid("lava_3", "lava", 230, 4, 8, 6, {a=230, r=255, g=0, b=0}, {hot=4000, lava=1})
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pedology.register_liquid("lava_4", "cold lava", 230, 5, 7, 6, {a=230, r=255, g=0, b=0}, {hot=3000, lava=1})
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]]
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--[[ register a sucky/oozing node to this mod ]]
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function pedology.register_sucky(basename, description, wetness, oozing, sucky, melting_point, sounds, additional_groups)
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local wetname = basename.."_"..tostring(wetness)
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local noncreative
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local groups = { sucky=sucky, oozing=oozing, wet=wetness, melting_point=melting_point, not_in_creative_inventory = noncreative, [basename]=1 }
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if additional_groups ~= nil then
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for k,v in pairs(additional_groups) do
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groups[k] = v
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end
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end
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-- If the node is not dry, do not add it into the creative inventory
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if wetness == 0 then noncreative = 0 else noncreative = 1 end
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local nodedef = {
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description = description,
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inventory_image = minetest.inventorycube("pedology_"..wetname..".png"),
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tiles = {"pedology_"..wetname..".png"},
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paramtype = "light",
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-- drop = "pedology:"..basename.."_lump 4",
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groups = groups,
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sounds = sounds,
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}
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local name = "pedology:"..wetname
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minetest.register_node(name, nodedef)
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end
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--[[
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This function registers a couple of sucky/oozing nodes, including all their “wet” variants.
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It also registers an ABM.
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parameters:
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basename: The internal name piece from which the concrete basenames will be build. The wetness level will be appended.
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basedescription. The description of the nodes. A proper wetness adjective (“dry”, “wet”, …) will be prepended.
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maxwet: The maximum wetness level of this node group (minimum: 0, maximum: 5)
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oozeinterval: The interval in seconds in which it the node may ooze. the Minimal value: 1
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oozechance: The inverted chance (1/x) to ooze
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melttable: Table of melting_point values for each wetness level
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sounds: Sound specification for all nodes
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additional_groups: table of additional groups of all the nodes. May be empty or nil (meaning no additional groups).
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]]
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function pedology.register_sucky_group(basename, basedescription, maxwet, oozeinterval, oozechance, melttable, sounds, additional_groups)
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local oozing, dripinterval
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local m -- melting_point
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for w=0, maxwet do
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if(w==0) then oozing=0 else oozing=1 end
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if (w==maxwet and w ~= 5) then sucky=0 else sucky=1 end
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if melttable == nil then m = 0 else m = melttable[w] end
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pedology.register_sucky(basename, (pedology.wetnames[w]).." "..basedescription, w, oozing, sucky, m, sounds, additional_groups)
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-- register dripping
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if(w>0 and pedology.USE_DRIPS == true) then
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minetest.register_abm({
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nodenames = {"pedology:"..basename.."_"..tostring(w)},
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neighbors = {"air"},
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interval = math.max(oozeinterval/4,2),
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chance = math.max(oozechance,22),
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action = pedology.create_drip,
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})
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end
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end
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if(maxwet > 0) then
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minetest.register_abm({
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nodenames = {"group:"..basename},
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neighbors = {"group:sucky"},
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interval = oozeinterval,
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chance = oozechance,
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action = pedology.ooze,
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})
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end
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end
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do
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local sound_clay = {footstep = {name="pedology_clay_footstep", gain=0.5}}
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local sound_silt_fine = {footstep = {name="pedology_silt_footstep", gain=0.3}}
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local sound_silt_medium = {footstep = {name="pedology_silt_footstep", gain=0.35}}
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local sound_silt_coarse = {footstep = {name="pedology_silt_footstep", gain=0.4}}
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local sound_sand_fine = {footstep = {name="pedology_sand_footstep", gain=0.2}}
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local sound_sand_medium = {footstep = {name="pedology_sand_footstep", gain=0.25}}
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local sound_sand_coarse = {footstep = {name="pedology_sand_footstep", gain=0.3}}
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local sound_gravel_fine = {footstep = {name="pedology_gravel_footstep", gain=1}}
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local sound_gravel_medium = {footstep = {name="pedology_gravel_footstep", gain=1}}
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local sound_gravel_coarse = {footstep = {name="pedology_gravel_footstep", gain=1}}
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--[[ register sucky and oozing nodes ]]
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--[[ ground nodes ]]
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pedology.register_sucky_group("clay", "clay",
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5, 60, 1.25, {3000, 3100, 3200, 3500, 3550, 3600}, sound_clay, { crumbly = 3, sun_dry = 1})
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pedology.register_sucky_group("silt_fine", "fine silt",
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5, 45, 1.25, {2800, 2900, 3000, 3100, 3200, 3300}, sound_silt_fine, { crumbly = 3, sun_dry = 1 })
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pedology.register_sucky_group("silt_medium", "medium silt",
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4, 30, 1.25, {2600, 2800, 3200, 3800, 4200}, sound_silt_medium, { crumbly = 3, sun_dry = 1 })
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pedology.register_sucky_group("silt_coarse", "coarse silt",
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3, 20, 1.25, {2000, 2200, 2400, 2800}, sound_silt_coarse, { crumbly = 3, sun_dry = 1 })
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pedology.register_sucky_group("sand_fine", "fine sand",
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2, 10, 1.111111, {1100, 1200, 1300}, sound_sand_fine, { crumbly = 3, sand = 1, sun_dry = 1 })
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pedology.register_sucky_group("sand_medium", "medium sand",
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1, 5, 1.111111, {990, 1100}, sound_sand_medium, { crumbly = 3, sand = 1, sun_dry = 1 })
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pedology.register_sucky_group("sand_coarse", "coarse sand",
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0, nil, nil, {900}, sound_sand_coarse, { crumbly = 3, sand = 1, sun_dry = 1 })
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pedology.register_sucky_group("gravel_fine", "fine gravel",
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1, 2, 1, {670, 770}, sound_gravel_fine, { crumbly = 2, sun_dry = 1 })
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pedology.register_sucky_group("gravel_medium", "medium gravel",
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2, 1.5, 1, {600, 800, 1250}, sound_gravel_medium, { crumbly = 2, sun_dry = 1})
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pedology.register_sucky_group("gravel_coarse", "coarse gravel",
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2, 1, 1, {500, 750, 1000}, sound_gravel_coarse, { crumbly = 1, sun_dry = 1 })
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--[[ TODO: clay mud
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pedology.register_liquid("clay_3", "sludgy clay", 192, 6, 5, 0, {a=192, r=104, g=23, b=0}, {oozing=1})
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pedology.register_liquid("clay_4", "muddy clay", 156, 4, 5, 0, {a=156, r=123, g=57, b=6}, {oozing=1})
|
||
pedology.register_liquid("clay_5", "slurry clay", 128, 2, 5, 0, {a=128, r=146, g=85, b=73}, {oozing=1})
|
||
]]
|
||
|
||
--[[ turf ]]
|
||
--[[pedology.register_sucky_group("turf_fibric", "fibric turf",
|
||
2, 120, 1.25, {1000, 1100, 1200}, sound_silt_coarse, { crumbly = 3, flammable = 1 } )
|
||
pedology.register_sucky_group("turf_hemic", "hemic turf",
|
||
2, 180, 1.225, {1100, 1200, 1300}, sound_silt_coarse, { crumbly = 3, flammable = 1 } )
|
||
pedology.register_sucky_group("turf_sapric", "sapric turf",
|
||
2, 240, 1.2, {1200, 1300, 1400}, sound_silt_coarse, { crumbly = 3, flammable = 1 } )]]
|
||
|
||
pedology.register_sucky("turf_fibric", "dry fibric turf", 0, 0, 1, 1000, sound_silt_coarse, { crumbly = 3, flammable = 1 } )
|
||
pedology.register_sucky("turf_fibric", "wet fibric turf", 1, 1, 1, 1100, sound_silt_coarse, { crumbly = 3 } )
|
||
pedology.register_sucky("turf_fibric", "watery fibric turf", 2, 1, 0, 1200, sound_silt_coarse, { crumbly = 3 } )
|
||
|
||
pedology.register_sucky("turf_hemic", "dry hemic turf", 0, 0, 1, 1100, sound_silt_coarse, { crumbly = 3, flammable = 1 } )
|
||
pedology.register_sucky("turf_hemic", "wet hemic turf", 1, 1, 1, 1200, sound_silt_coarse, { crumbly = 3 } )
|
||
pedology.register_sucky("turf_hemic", "watery hemic turf", 2, 1, 0, 1300, sound_silt_coarse, { crumbly = 3 } )
|
||
|
||
pedology.register_sucky("turf_sapric", "dry sapric turf", 0, 0, 1, 1200, sound_silt_coarse, { crumbly = 3, flammable = 1 } )
|
||
pedology.register_sucky("turf_sapric", "wet sapric turf", 1, 1, 1, 1300, sound_silt_coarse, { crumbly = 3 } )
|
||
pedology.register_sucky("turf_sapric", "watery sapric turf", 2, 1, 0, 1400, sound_silt_coarse, { crumbly = 3 } )
|
||
|
||
minetest.register_abm({
|
||
nodenames = {"group:turf_fibric"}, neighbors = {"group:sucky"}, interval = 120, chance = 1.25, action = pedology.ooze
|
||
})
|
||
minetest.register_abm({
|
||
nodenames = {"group:turf_hemic"}, neighbors = {"group:sucky"}, interval = 180, chance = 1.225, action = pedology.ooze
|
||
})
|
||
minetest.register_abm({
|
||
nodenames = {"group:turf_sapric"}, neighbors = {"group:sucky"}, interval = 240, chance = 1.5, action = pedology.ooze
|
||
})
|
||
|
||
|
||
end
|
||
|
||
pedology.maxwet = {}
|
||
pedology.maxwet.clay = 5
|
||
pedology.maxwet.silt_fine = 5
|
||
pedology.maxwet.silt_medium = 4
|
||
pedology.maxwet.silt_coarse = 3
|
||
pedology.maxwet.sand_fine = 2
|
||
pedology.maxwet.sand_medium = 1
|
||
pedology.maxwet.sand_coarse = 0
|
||
pedology.maxwet.gravel_fine = 1
|
||
pedology.maxwet.gravel_medium = 2
|
||
pedology.maxwet.gravel_coarse = 2
|
||
|
||
pedology.maxwet.turf_fibric = 2
|
||
pedology.maxwet.turf_hemic = 2
|
||
pedology.maxwet.turf_sapric = 2
|
||
|
||
--[[ “API” functions ]]
|
||
--[[ Replace the node at <pos> with a node with a “drier” version of it, if available ]]
|
||
function pedology.dry(pos)
|
||
local node = minetest.get_node(pos)
|
||
local wet = minetest.get_item_group(node.name, "wet")
|
||
local dried = tostring(wet - 1)
|
||
if wet <= 0 then
|
||
return
|
||
end
|
||
local newbasename = string.sub(node.name,1,#node.name-1)
|
||
newbasename = newbasename .. dried
|
||
minetest.set_node(pos, {name=newbasename, param1=0, param2=0})
|
||
end
|
||
|
||
--[[ Replace the node at <pos> with a “wetter” version of it, if available ]]
|
||
function pedology.wetten(pos)
|
||
local node = minetest.get_node(pos)
|
||
local wet = minetest.get_item_group(node.name, "wet")
|
||
local cutbasename = string.sub(node.name,9,#node.name-2)
|
||
if pedology.maxwet[cutbasename] == nil then
|
||
return
|
||
elseif wet > pedology.maxwet[cutbasename] then
|
||
return
|
||
end
|
||
|
||
local newbasename = string.sub(node.name,1,#node.name-1) .. tostring(wet+1)
|
||
minetest.set_node(pos, {name=newbasename, param1=0, param2=0})
|
||
end
|
||
|
||
--[[ register ABMs ]]
|
||
minetest.register_abm({
|
||
nodenames = {"group:sun_dry"},
|
||
neighbors = {"air"},
|
||
interval = 30,
|
||
chance = 10,
|
||
action = pedology.sun_dry,
|
||
})
|
||
|
||
minetest.register_abm({
|
||
nodenames = {"group:sucky"},
|
||
neighbors = {"group:water"},
|
||
interval = 30,
|
||
chance = 1,
|
||
action = pedology.suck,
|
||
})
|
||
|
||
minetest.register_abm({
|
||
nodenames = {"group:melting_point"},
|
||
neighbors = {"group:hot"},
|
||
interval = 1,
|
||
chance = 1,
|
||
action = function(pos,node,...)
|
||
minetest.set_node(pos,node)
|
||
end,
|
||
})
|