Fix https://git.minetest.land/Wuzzy/MineClone2/issues/1028 - Make tree saplings grow in inactive areas (approx. time calc.)

This commit is contained in:
kay27 2021-01-30 04:42:53 +04:00
parent 30b4b9661c
commit 948265fd6b

@ -899,99 +899,118 @@ local treelight = 9
local sapling_grow_action = function(tree_id, soil_needed, one_by_one, two_by_two, sapling)
return function(pos)
local meta = minetest.get_meta(pos)
if meta:get("grown") then return end
-- Checks if the sapling at pos has enough light and the correct soil
local sapling_is_growable = function(pos)
local light = minetest.get_node_light(pos)
local soilnode = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
local soiltype = minetest.get_item_group(soilnode.name, "soil_sapling")
return soiltype >= soil_needed and light and light >= treelight and not minetest.get_meta(pos):get("grown")
local light = minetest.get_node_light(pos)
if not light then return end
local low_light = (light < treelight)
local delta = 1
local current_game_time = minetest.get_day_count() + minetest.get_timeofday()
local last_game_time = tonumber(meta:get_string("last_gametime"))
meta:set_string("last_gametime", tostring(current_game_time))
if last_game_time then
delta = current_game_time - last_game_time
elseif low_light then
return
end
if sapling_is_growable(pos) then
-- Increase and check growth stage
local meta = minetest.get_meta(pos)
local stage = meta:get_int("stage")
if stage == nil then stage = 0 end
stage = stage + 1
if stage >= 3 then
meta:set_string("grown", "true")
-- This sapling grows in a special way when there are 4 saplings in a 2×2 pattern
if two_by_two then
-- Check 8 surrounding saplings and try to find a 2×2 pattern
local is_sapling = function(pos, sapling)
return minetest.get_node(pos).name == sapling
end
local p2 = {x=pos.x+1, y=pos.y, z=pos.z}
local p3 = {x=pos.x, y=pos.y, z=pos.z-1}
local p4 = {x=pos.x+1, y=pos.y, z=pos.z-1}
local p5 = {x=pos.x-1, y=pos.y, z=pos.z-1}
local p6 = {x=pos.x-1, y=pos.y, z=pos.z}
local p7 = {x=pos.x-1, y=pos.y, z=pos.z+1}
local p8 = {x=pos.x, y=pos.y, z=pos.z+1}
local p9 = {x=pos.x+1, y=pos.y, z=pos.z+1}
local s2 = is_sapling(p2, sapling)
local s3 = is_sapling(p3, sapling)
local s4 = is_sapling(p4, sapling)
local s5 = is_sapling(p5, sapling)
local s6 = is_sapling(p6, sapling)
local s7 = is_sapling(p7, sapling)
local s8 = is_sapling(p8, sapling)
local s9 = is_sapling(p9, sapling)
-- In a 9×9 field there are 4 possible 2×2 squares. We check them all.
if s2 and s3 and s4 and check_tree_growth(pos, tree_id, { two_by_two = true }) then
-- Success: Remove saplings and place tree
minetest.remove_node(pos)
minetest.remove_node(p2)
minetest.remove_node(p3)
minetest.remove_node(p4)
mcl_core.generate_tree(pos, tree_id, { two_by_two = true })
return
elseif s3 and s5 and s6 and check_tree_growth(p6, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p3)
minetest.remove_node(p5)
minetest.remove_node(p6)
mcl_core.generate_tree(p6, tree_id, { two_by_two = true })
return
elseif s6 and s7 and s8 and check_tree_growth(p7, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p6)
minetest.remove_node(p7)
minetest.remove_node(p8)
mcl_core.generate_tree(p7, tree_id, { two_by_two = true })
return
elseif s2 and s8 and s9 and check_tree_growth(p8, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p2)
minetest.remove_node(p8)
minetest.remove_node(p9)
mcl_core.generate_tree(p8, tree_id, { two_by_two = true })
return
end
end
if one_by_one and tree_id == OAK_TREE_ID then
-- There is a chance that this tree wants to grow as a balloon oak
if math.random(1, 12) == 1 then
-- Check if there is room for that
if check_tree_growth(pos, tree_id, { balloon = true }) then
minetest.set_node(pos, {name="air"})
mcl_core.generate_tree(pos, tree_id, { balloon = true })
return
end
end
end
if low_light then
if delta < 1.2 then return end
if minetest.get_node_light(pos, 0.5) < treelight then return end
end
-- If this sapling can grow alone
if one_by_one and check_tree_growth(pos, tree_id) then
-- Single sapling
minetest.set_node(pos, {name="air"})
local r = math.random(1, 12)
mcl_core.generate_tree(pos, tree_id)
-- TODO: delta is [days] missed in inactive area. Currently we just add it to stage, which is far from a perfect calculation...
local soilnode = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
local soiltype = minetest.get_item_group(soilnode.name, "soil_sapling")
if soiltype < soil_needed then return end
-- Increase and check growth stage
local meta = minetest.get_meta(pos)
local stage = meta:get_int("stage")
if stage == nil then stage = 0 end
stage = stage + math.max(1, math.floor(delta))
if stage >= 3 then
meta:set_string("grown", "true")
-- This sapling grows in a special way when there are 4 saplings in a 2×2 pattern
if two_by_two then
-- Check 8 surrounding saplings and try to find a 2×2 pattern
local is_sapling = function(pos, sapling)
return minetest.get_node(pos).name == sapling
end
local p2 = {x=pos.x+1, y=pos.y, z=pos.z}
local p3 = {x=pos.x, y=pos.y, z=pos.z-1}
local p4 = {x=pos.x+1, y=pos.y, z=pos.z-1}
local p5 = {x=pos.x-1, y=pos.y, z=pos.z-1}
local p6 = {x=pos.x-1, y=pos.y, z=pos.z}
local p7 = {x=pos.x-1, y=pos.y, z=pos.z+1}
local p8 = {x=pos.x, y=pos.y, z=pos.z+1}
local p9 = {x=pos.x+1, y=pos.y, z=pos.z+1}
local s2 = is_sapling(p2, sapling)
local s3 = is_sapling(p3, sapling)
local s4 = is_sapling(p4, sapling)
local s5 = is_sapling(p5, sapling)
local s6 = is_sapling(p6, sapling)
local s7 = is_sapling(p7, sapling)
local s8 = is_sapling(p8, sapling)
local s9 = is_sapling(p9, sapling)
-- In a 9×9 field there are 4 possible 2×2 squares. We check them all.
if s2 and s3 and s4 and check_tree_growth(pos, tree_id, { two_by_two = true }) then
-- Success: Remove saplings and place tree
minetest.remove_node(pos)
minetest.remove_node(p2)
minetest.remove_node(p3)
minetest.remove_node(p4)
mcl_core.generate_tree(pos, tree_id, { two_by_two = true })
return
elseif s3 and s5 and s6 and check_tree_growth(p6, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p3)
minetest.remove_node(p5)
minetest.remove_node(p6)
mcl_core.generate_tree(p6, tree_id, { two_by_two = true })
return
elseif s6 and s7 and s8 and check_tree_growth(p7, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p6)
minetest.remove_node(p7)
minetest.remove_node(p8)
mcl_core.generate_tree(p7, tree_id, { two_by_two = true })
return
elseif s2 and s8 and s9 and check_tree_growth(p8, tree_id, { two_by_two = true }) then
minetest.remove_node(pos)
minetest.remove_node(p2)
minetest.remove_node(p8)
minetest.remove_node(p9)
mcl_core.generate_tree(p8, tree_id, { two_by_two = true })
return
end
else
meta:set_int("stage", stage)
end
if one_by_one and tree_id == OAK_TREE_ID then
-- There is a chance that this tree wants to grow as a balloon oak
if math.random(1, 12) == 1 then
-- Check if there is room for that
if check_tree_growth(pos, tree_id, { balloon = true }) then
minetest.set_node(pos, {name="air"})
mcl_core.generate_tree(pos, tree_id, { balloon = true })
return
end
end
end
-- If this sapling can grow alone
if one_by_one and check_tree_growth(pos, tree_id) then
-- Single sapling
minetest.set_node(pos, {name="air"})
local r = math.random(1, 12)
mcl_core.generate_tree(pos, tree_id)
return
end
else
meta:set_int("stage", stage)
end
end
end
@ -1040,7 +1059,14 @@ minetest.register_abm({
neighbors = {"group:soil_sapling"},
interval = 25,
chance = 2,
action = grow_oak,
action = grow_oak
})
minetest.register_lbm({
label = "Add growth for unloaded oak tree",
name = "mcl_core:lbm_oak",
nodenames = {"mcl_core:sapling"},
run_at_every_load = true,
action = grow_oak
})
-- Dark oak tree
@ -1050,7 +1076,14 @@ minetest.register_abm({
neighbors = {"group:soil_sapling"},
interval = 25,
chance = 2,
action = grow_dark_oak,
action = grow_dark_oak
})
minetest.register_lbm({
label = "Add growth for unloaded dark oak tree",
name = "mcl_core:lbm_dark_oak",
nodenames = {"mcl_core:darksapling"},
run_at_every_load = true,
action = grow_dark_oak
})
-- Jungle Tree
@ -1060,7 +1093,14 @@ minetest.register_abm({
neighbors = {"group:soil_sapling"},
interval = 25,
chance = 2,
action = grow_jungle_tree,
action = grow_jungle_tree
})
minetest.register_lbm({
label = "Add growth for unloaded jungle tree",
name = "mcl_core:lbm_jungle_tree",
nodenames = {"mcl_core:junglesapling"},
run_at_every_load = true,
action = grow_jungle_tree
})
-- Spruce tree
@ -1072,6 +1112,13 @@ minetest.register_abm({
chance = 2,
action = grow_spruce
})
minetest.register_lbm({
label = "Add growth for unloaded spruce tree",
name = "mcl_core:lbm_spruce",
nodenames = {"mcl_core:sprucesapling"},
run_at_every_load = true,
action = grow_spruce
})
-- Birch tree
minetest.register_abm({
@ -1080,7 +1127,14 @@ minetest.register_abm({
neighbors = {"group:soil_sapling"},
interval = 25,
chance = 2,
action = grow_birch,
action = grow_birch
})
minetest.register_lbm({
label = "Add growth for unloaded birch tree",
name = "mcl_core:lbm_birch",
nodenames = {"mcl_core:birchsapling"},
run_at_every_load = true,
action = grow_spruce
})
-- Acacia tree
@ -1090,7 +1144,14 @@ minetest.register_abm({
neighbors = {"group:soil_sapling"},
interval = 20,
chance = 2,
action = grow_acacia,
action = grow_acacia
})
minetest.register_lbm({
label = "Add growth for unloaded acacia tree",
name = "mcl_core:lbm_acacia",
nodenames = {"mcl_core:acaciasapling"},
run_at_every_load = true,
action = grow_spruce
})
local function leafdecay_particles(pos, node)