Fix broken grass and clam ABM
This commit is contained in:
Wuzzy
parent
109fcba8c2
commit
c958af51d2
@ -1,3 +1,5 @@
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local water_level = tonumber(minetest.get_mapgen_setting("water_level"))
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--
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-- Functions/ABMs
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--
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@ -288,46 +290,85 @@ minetest.register_abm( -- dirt with grass becomes dirt if covered
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end
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})
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minetest.register_abm( -- grass expands
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{
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label = "Grass expansion",
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nodenames = {"default:grass"},
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interval = 20,
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chance = 160,
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action = function(pos, node)
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local rx = math.random(0, 2) - 1
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local rz = math.random(0, 2) - 1
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minetest.register_abm({
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label = "Grass expansion",
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nodenames = {"group:grass"},
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neighbors = {"group:grass_cover"},
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interval = 20,
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chance = 160,
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action = function(pos, node)
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pos.y = pos.y - 1
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local under = minetest.get_node(pos)
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pos.y = pos.y + 1
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local edgepos = {x = pos.x+rx, y = pos.y, z = pos.z+rz}
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local downpos = {x = pos.x+rx, y = pos.y-1, z = pos.z+rz}
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local edgenode = minetest.get_node(edgepos)
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local downnode = minetest.get_node(downpos)
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local required_under
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if minetest.get_item_group(node.name, "normal_grass") ~= 0 then
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required_under = "default:dirt_with_grass"
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elseif minetest.get_item_group(node.name, "dry_grass") ~= 0 then
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required_under = "default:dirt_with_dry_grass"
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elseif minetest.get_item_group(node.name, "swamp_grass") ~= 0 then
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required_under = "default:dirt_with_swamp_grass"
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else
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return
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end
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if edgenode.name == "air" and downnode.name ~= "air" and downnode.buildable_to == false and walkable == true then
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minetest.set_node(edgepos, {name = "default:grass"})
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end
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end
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if under.name ~= required_under then
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return
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end
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-- Lower chance to spread dry grass
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if node.name == "default:dry_grass" and math.random(1,2) == 1 then
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return
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end
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local pos0 = vector.subtract(pos, 4)
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local pos1 = vector.add(pos, 4)
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-- Testing shows that a threshold of 3 results in an appropriate maximum
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-- density of approximately 7 nodes per 9x9 area.
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if #minetest.find_nodes_in_area(pos0, pos1, {"group:grass", "default:fern"}) > 3 then
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return
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end
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local soils = minetest.find_nodes_in_area_under_air( pos0, pos1, "group:grass_cover")
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local num_soils = #soils
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if num_soils >= 1 then
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for si = 1, math.min(3, num_soils) do
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local soil = soils[math.random(num_soils)]
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local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
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minetest.set_node(soil_above, {name = node.name})
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end
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end
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end
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})
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minetest.register_abm( -- clams grow
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{
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label = "Growing clams",
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nodenames = {"default:clam"},
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interval = 20,
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chance = 160,
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action = function(pos, node)
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local rx = math.random(0, 2) - 1
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local rz = math.random(0, 2) - 1
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minetest.register_abm({
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label = "Growing clams",
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nodenames = {"default:sand", "default:gravel"},
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neighbors = {"default:water_source"},
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interval = 20,
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chance = 160,
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action = function(pos, node)
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if pos.y ~= water_level then
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return
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end
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local pos0 = vector.add(pos, {x=-5, y=0, z=-5})
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local pos1 = vector.add(pos, {x=5, y=2, z=5})
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if #minetest.find_nodes_in_area(pos0, pos1, "default:clam") >= 1 then
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return
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end
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local edgepos = {x = pos.x+rx, y = pos.y, z = pos.z+rz}
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local downpos = {x = pos.x+rx, y = pos.y-1, z = pos.z+rz}
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local edgenode = minetest.get_node(edgepos)
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local downnode = minetest.get_node(downpos)
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if edgenode.name == "air" and downnode.name ~= "air" and downnode.buildable_to == false and walkable == true then
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minetest.set_node(edgepos, {name = "default:clam"})
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end
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end
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pos0 = vector.add(pos, {x=-2, y=0, z=-2})
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pos1 = vector.add(pos, {x=2, y=0, z=2})
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local soils = minetest.find_nodes_in_area_under_air( pos0, pos1, {"default:sand", "default:gravel"})
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local num_soils = #soils
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if num_soils >= 1 then
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for si = 1, math.min(3, num_soils) do
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local soil = soils[math.random(num_soils)]
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local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
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minetest.set_node(soil_above, {name = "default:clam"})
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end
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end
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end
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})
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minetest.register_abm( -- cactus grows
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@ -927,7 +927,7 @@ minetest.register_node(
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walkable = false,
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buildable_to = true,
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floodable = true,
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, grass = 1},
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, fern = 1},
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sounds = default.node_sound_leaves_defaults(),
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})
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@ -974,7 +974,7 @@ minetest.register_node(
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walkable = false,
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buildable_to = true,
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floodable = true,
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, grass = 1},
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, grass = 1, swamp_grass = 1},
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sounds = default.node_sound_leaves_defaults(),
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})
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@ -995,7 +995,7 @@ minetest.register_node(
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waving = 1,
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walkable = false,
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buildable_to = true,
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, grass = 1},
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groups = {snappy = 2, dig_immediate = 3, attached_node = 1, grass = 1, dry_grass = 1},
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sounds = default.node_sound_leaves_defaults(),
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})
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