mirror of
https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-12-04 16:53:46 +01:00
385 lines
15 KiB
Lua
385 lines
15 KiB
Lua
-- Possible future improvements:
|
|
-- * rewrite to use node timers instead of ABMs, but needs benchmarking
|
|
-- * redesign the catch-up logic
|
|
-- * switch to exponentially-weighted moving average for light instead using a single variable to conserve IO
|
|
--
|
|
local math = math
|
|
local vector = vector
|
|
local random = math.random
|
|
local floor = math.floor
|
|
|
|
local plant_lists = {}
|
|
mcl_farming.plant_lists = plant_lists -- export
|
|
local plant_nodename_to_id = {} -- map nodes to plants
|
|
local plant_step_from_name = {} -- map nodes to growth steps
|
|
|
|
local growth_factor = tonumber(minetest.settings:get("vl_plant_growth")) or 1.0
|
|
|
|
-- wetness of the surroundings
|
|
-- dry farmland = 1 point
|
|
-- wet farmland = 3 points
|
|
-- center point gives + 1 point, so 2 resp. 4
|
|
-- neighbors only 25%
|
|
local function get_moisture_level(pos)
|
|
local n = vector.offset(pos, 0, -1, 0)
|
|
local totalm = 1
|
|
for z = -1,1 do
|
|
n.z = pos.z + z
|
|
for x = -1,1 do
|
|
n.x = pos.x + x
|
|
local ndef = minetest.registered_nodes[minetest.get_node(n).name]
|
|
local soil = ndef and ndef.groups.soil
|
|
if soil and soil >= 2 then
|
|
local m = soil > 2 and 3 or 1
|
|
-- corners have less weight
|
|
if x ~= 0 or z ~= 0 then m = m * 0.25 end
|
|
totalm = totalm + m
|
|
end
|
|
end
|
|
end
|
|
return totalm
|
|
end
|
|
|
|
-- moisture penalty function:
|
|
-- 0.5 if both on the x axis and the z axis at least one of the same plants grows
|
|
-- 0.5 if at least one diagonal neighbor is the same
|
|
-- 1.0 otherwise
|
|
-- we cannot use the names directly, because growth is encoded in the names
|
|
local function get_same_crop_penalty(pos)
|
|
local name = minetest.get_node(pos).name
|
|
local plant = plant_nodename_to_id[name]
|
|
if not plant then return 1 end
|
|
local n = vector.copy(pos)
|
|
-- check adjacent positions, avoid vector allocations and reduce node accesses
|
|
n.x = pos.x - 1
|
|
local dx = plant_nodename_to_id[minetest.get_node(n).name] == plant
|
|
n.x = pos.x + 1
|
|
dx = dx or plant_nodename_to_id[minetest.get_node(n).name] == plant
|
|
if dx then -- no need to check z otherwise
|
|
n.x = pos.x
|
|
n.z = pos.z - 1
|
|
local dz = plant_nodename_to_id[minetest.get_node(n).name] == plant
|
|
n.z = pos.z + 1
|
|
dz = dz or plant_nodename_to_id[minetest.get_node(n).name] == plant
|
|
if dz then return 0.5 end
|
|
end
|
|
-- check diagonals, clockwise
|
|
n.x, n.z = pos.x - 1, pos.z - 1
|
|
if plant_nodename_to_id[minetest.get_node(n).name] == plant then return 0.5 end
|
|
n.x = pos.x + 1
|
|
if plant_nodename_to_id[minetest.get_node(n).name] == plant then return 0.5 end
|
|
n.z = pos.z + 1
|
|
if plant_nodename_to_id[minetest.get_node(n).name] == plant then return 0.5 end
|
|
n.x = pos.x - 1
|
|
if plant_nodename_to_id[minetest.get_node(n).name] == plant then return 0.5 end
|
|
return 1
|
|
end
|
|
|
|
function mcl_farming:add_plant(identifier, full_grown, names, interval, chance)
|
|
interval = growth_factor > 0 and (interval / growth_factor) or 0
|
|
local plant_info = {}
|
|
plant_info.full_grown = full_grown
|
|
plant_info.names = names
|
|
plant_info.interval = interval
|
|
plant_info.chance = chance
|
|
plant_nodename_to_id[full_grown] = identifier
|
|
for _, nodename in pairs(names) do
|
|
plant_nodename_to_id[nodename] = identifier
|
|
end
|
|
for i, name in ipairs(names) do
|
|
plant_step_from_name[name] = i
|
|
end
|
|
plant_lists[identifier] = plant_info
|
|
if interval == 0 then return end -- growth disabled
|
|
minetest.register_abm({
|
|
label = string.format("Farming plant growth (%s)", identifier),
|
|
nodenames = names,
|
|
interval = interval,
|
|
chance = chance,
|
|
action = function(pos, node)
|
|
mcl_farming:grow_plant(identifier, pos, node, 1, false)
|
|
end,
|
|
})
|
|
end
|
|
|
|
-- Attempts to advance a plant at pos by one or more growth stages (if possible)
|
|
-- identifier: Identifier of plant as defined by mcl_farming:add_plant
|
|
-- pos: Position
|
|
-- node: Node table
|
|
-- stages: Number of stages to advance (optional, defaults to 1)
|
|
-- ignore_light_water: if true, ignore light and water requirements for growing
|
|
-- Returns true if plant has been grown by 1 or more stages.
|
|
-- Returns false if nothing changed.
|
|
function mcl_farming:grow_plant(identifier, pos, node, stages, ignore_light_water)
|
|
-- number of missed interval ticks, for catch-up in block loading
|
|
local plant_info = plant_lists[identifier]
|
|
if not plant_info then return end
|
|
if not ignore_light_water then
|
|
if (minetest.get_node_light(pos, 0.5) or 0) < 0 then return false end -- day light
|
|
local odds = floor(25 / (get_moisture_level(pos) * get_same_crop_penalty(pos))) + 1
|
|
for i = 1,stages do
|
|
-- compared to info from the MC wiki, our ABM runs a third as often, hence we use triple the chance
|
|
if random() * odds >= 3 then stages = stages - 1 end
|
|
end
|
|
end
|
|
|
|
if stages == 0 then return false end
|
|
local step = plant_step_from_name[node.name]
|
|
if step == nil then return false end
|
|
minetest.set_node(pos, {
|
|
name = plant_info.names[step + stages] or plant_info.full_grown,
|
|
param = node.param,
|
|
param2 = node.param2,
|
|
})
|
|
return true
|
|
end
|
|
|
|
function mcl_farming:place_seed(itemstack, placer, pointed_thing, plantname)
|
|
local pt = pointed_thing
|
|
if not pt or pt.type ~= "node" then return end
|
|
|
|
-- Use pointed node's on_rightclick function first, if present
|
|
local node = minetest.get_node(pt.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(pt.under, node, placer, itemstack) or itemstack
|
|
end
|
|
end
|
|
|
|
if minetest.get_node(pt.above).name ~= "air" then return end
|
|
local farmland = minetest.registered_nodes[minetest.get_node(vector.offset(pt.above, 0, -1, 0)).name]
|
|
if not farmland or (farmland.groups.soil or 0) < 2 then return end
|
|
minetest.sound_play(minetest.registered_nodes[plantname].sounds.place, { pos = pt.above }, true)
|
|
minetest.add_node(pt.above, { name = plantname, param2 = minetest.registered_nodes[plantname].place_param2 })
|
|
|
|
if not minetest.is_creative_enabled(placer:get_player_name()) then itemstack:take_item() end
|
|
return itemstack
|
|
end
|
|
|
|
|
|
--[[ Helper function to create a gourd (e.g. melon, pumpkin), the connected stem nodes as
|
|
|
|
- full_unconnected_stem: itemstring of the full-grown but unconnected stem node. This node must already be done
|
|
- connected_stem_basename: prefix of the itemstrings used for the 4 connected stem nodes to create
|
|
- stem_itemstring: Desired itemstring of the fully-grown unconnected stem node
|
|
- stem_def: Partial node definition of the fully-grown unconnected stem node. Many fields are already defined. You need to add `tiles` and `description` at minimum. Don't define on_construct without good reason
|
|
- stem_drop: Drop probability table for all stem
|
|
- gourd_itemstring: Desired itemstring of the full gourd node
|
|
- gourd_def: (almost) full definition of the gourd node. This function will add on_construct and after_destruct to the definition for unconnecting any connected stems
|
|
- grow_interval: Will attempt to grow a gourd periodically at this interval in seconds
|
|
- grow_chance: Chance of 1/grow_chance to grow a gourd next to the full unconnected stem after grow_interval has passed. Must be a natural number
|
|
- connected_stem_texture: Texture of the connected stem
|
|
]]
|
|
|
|
|
|
function mcl_farming:add_gourd(full_unconnected_stem, connected_stem_basename, stem_itemstring, stem_def, stem_drop, gourd_itemstring, gourd_def, grow_interval, grow_chance, connected_stem_texture)
|
|
grow_interval = growth_factor > 0 and (grow_interval / growth_factor) or 0
|
|
local connected_stem_names = {
|
|
connected_stem_basename .. "_r",
|
|
connected_stem_basename .. "_l",
|
|
connected_stem_basename .. "_t",
|
|
connected_stem_basename .. "_b" }
|
|
|
|
-- Register gourd
|
|
if not gourd_def.after_destruct then
|
|
gourd_def.after_destruct = function(blockpos, oldnode)
|
|
-- Disconnect any connected stems, turning them back to normal stems
|
|
-- four directions, but avoid using a table
|
|
-- opposite directions to above, as we go from groud to stem now!
|
|
local stempos = vector.offset(blockpos, -1, 0, 0)
|
|
if minetest.get_node(stempos).name == connected_stem_names[1] then
|
|
minetest.swap_node(stempos, { name = full_unconnected_stem })
|
|
end
|
|
local stempos = vector.offset(blockpos, 1, 0, 0)
|
|
if minetest.get_node(stempos).name == connected_stem_names[2] then
|
|
minetest.swap_node(stempos, { name = full_unconnected_stem })
|
|
end
|
|
local stempos = vector.offset(blockpos, 0, 0, -1)
|
|
if minetest.get_node(stempos).name == connected_stem_names[3] then
|
|
minetest.swap_node(stempos, { name = full_unconnected_stem })
|
|
end
|
|
local stempos = vector.offset(blockpos, 0, 0, 1)
|
|
if minetest.get_node(stempos).name == connected_stem_names[4] then
|
|
minetest.swap_node(stempos, { name = full_unconnected_stem })
|
|
end
|
|
end
|
|
end
|
|
minetest.register_node(gourd_itemstring, gourd_def)
|
|
|
|
-- Register unconnected stem
|
|
|
|
-- Default values for the stem definition
|
|
if not stem_def.selection_box then
|
|
stem_def.selection_box = { type = "fixed", fixed = { { -0.15, -0.5, -0.15, 0.15, 0.5, 0.15 } } }
|
|
end
|
|
stem_def.paramtype = stem_def.paramtype or "light"
|
|
stem_def.drawtype = stem_def.drawtype or "plantlike"
|
|
stem_def.walkable = stem_def.walkable or false
|
|
stem_def.sunlight_propagates = stem_def.sunlight_propagates == nil or stem_def.sunlight_propagates
|
|
stem_def.drop = stem_def.drop or stem_drop
|
|
stem_def.groups = stem_def.groups or { dig_immediate = 3, not_in_creative_inventory = 1, plant = 1, attached_node = 1, dig_by_water = 1, destroy_by_lava_flow = 1 }
|
|
stem_def.sounds = stem_def.sounds or mcl_sounds.node_sound_leaves_defaults()
|
|
minetest.register_node(stem_itemstring, stem_def)
|
|
plant_nodename_to_id[stem_itemstring] = stem_itemstring
|
|
|
|
-- Register connected stems
|
|
|
|
local connected_stem_tiles = {
|
|
{ "blank.png", -- top
|
|
"blank.png", -- bottom
|
|
"blank.png", -- right
|
|
"blank.png", -- left
|
|
connected_stem_texture, -- back
|
|
connected_stem_texture .. "^[transformFX" -- front
|
|
},
|
|
{ "blank.png", -- top
|
|
"blank.png", -- bottom
|
|
"blank.png", -- right
|
|
"blank.png", -- left
|
|
connected_stem_texture .. "^[transformFX", -- back
|
|
connected_stem_texture, -- front
|
|
},
|
|
{ "blank.png", -- top
|
|
"blank.png", -- bottom
|
|
connected_stem_texture .. "^[transformFX", -- right
|
|
connected_stem_texture, -- left
|
|
"blank.png", -- back
|
|
"blank.png", -- front
|
|
},
|
|
{ "blank.png", -- top
|
|
"blank.png", -- bottom
|
|
connected_stem_texture, -- right
|
|
connected_stem_texture .. "^[transformFX", -- left
|
|
"blank.png", -- back
|
|
"blank.png", -- front
|
|
}
|
|
}
|
|
local connected_stem_nodebox = {
|
|
{ -0.5, -0.5, 0, 0.5, 0.5, 0 },
|
|
{ -0.5, -0.5, 0, 0.5, 0.5, 0 },
|
|
{ 0, -0.5, -0.5, 0, 0.5, 0.5 },
|
|
{ 0, -0.5, -0.5, 0, 0.5, 0.5 },
|
|
}
|
|
local connected_stem_selectionbox = {
|
|
{ -0.1, -0.5, -0.1, 0.5, 0.2, 0.1 },
|
|
{ -0.5, -0.5, -0.1, 0.1, 0.2, 0.1 },
|
|
{ -0.1, -0.5, -0.1, 0.1, 0.2, 0.5 },
|
|
{ -0.1, -0.5, -0.5, 0.1, 0.2, 0.1 },
|
|
}
|
|
|
|
for i = 1, 4 do
|
|
minetest.register_node(connected_stem_names[i], {
|
|
_doc_items_create_entry = false,
|
|
paramtype = "light",
|
|
sunlight_propagates = true,
|
|
walkable = false,
|
|
drop = stem_drop,
|
|
drawtype = "nodebox",
|
|
node_box = { type = "fixed", fixed = connected_stem_nodebox[i] },
|
|
selection_box = { type = "fixed", fixed = connected_stem_selectionbox[i] },
|
|
tiles = connected_stem_tiles[i],
|
|
use_texture_alpha = minetest.features.use_texture_alpha_string_modes and "clip" or true,
|
|
groups = { dig_immediate = 3, not_in_creative_inventory = 1, plant = 1, attached_node = 1, dig_by_water = 1, destroy_by_lava_flow = 1 },
|
|
sounds = mcl_sounds.node_sound_leaves_defaults(),
|
|
_mcl_blast_resistance = 0,
|
|
})
|
|
plant_nodename_to_id[connected_stem_names[i]] = stem_itemstring
|
|
|
|
if minetest.get_modpath("doc") then
|
|
doc.add_entry_alias("nodes", full_unconnected_stem, "nodes", connected_stem_names[i])
|
|
end
|
|
end
|
|
|
|
if grow_interval == 0 then return end
|
|
minetest.register_abm({
|
|
label = "Grow gourd stem to gourd (" .. full_unconnected_stem .. " → " .. gourd_itemstring .. ")",
|
|
nodenames = { full_unconnected_stem },
|
|
neighbors = { "air" },
|
|
interval = grow_interval,
|
|
chance = grow_chance,
|
|
action = function(stempos)
|
|
local light = minetest.get_node_light(stempos, 0.5)
|
|
if not light or light < 9 then return end
|
|
-- Pick one neighbor and check if it can be used to grow
|
|
local dir = random(1, 4) -- pick direction at random
|
|
local neighbor = (dir == 1 and vector.offset(stempos, 1, 0, 0))
|
|
or (dir == 2 and vector.offset(stempos, -1, 0, 0))
|
|
or (dir == 3 and vector.offset(stempos, 0, 0, 1))
|
|
or vector.offset(stempos, 0, 0, -1)
|
|
if minetest.get_node(neighbor).name ~= "air" then return end -- occupied
|
|
-- check for suitable floor -- in contrast to MC, we think everything solid is fine
|
|
local floorpos = vector.offset(neighbor, 0, -1, 0)
|
|
local floorname = minetest.get_node(floorpos).name
|
|
local floordef = minetest.registered_nodes[floorname]
|
|
if not floordef or not floordef.walkable then return end
|
|
|
|
-- check moisture level
|
|
local odds = floor(25 / (get_moisture_level(stempos) * get_same_crop_penalty(stempos))) + 1
|
|
-- we triple the odds, and rather call the ABM less often
|
|
if random() * odds >= 3 then return end
|
|
|
|
minetest.swap_node(stempos, { name = connected_stem_names[dir] })
|
|
if gourd_def.paramtype2 == "facedir" then
|
|
local p2 = (dir == 1 and 3) or (dir == 2 and 1) or (dir == 3 and 2) or 0
|
|
minetest.add_node(neighbor, { name = gourd_itemstring, param2 = p2 })
|
|
else
|
|
minetest.add_node(neighbor, { name = gourd_itemstring })
|
|
end
|
|
|
|
-- Reset farmland, etc. to dirt when the gourd grows on top
|
|
if (floordef.groups.dirtifies_below_solid or 0) > 0 then
|
|
minetest.set_node(floorpos, { name = "mcl_core:dirt" })
|
|
end
|
|
end,
|
|
})
|
|
end
|
|
|
|
-- Used for growing gourd stems. Returns the intermediate color between startcolor and endcolor at a step
|
|
-- * startcolor: ColorSpec in table form for the stem in its lowest growing stage
|
|
-- * endcolor: ColorSpec in table form for the stem in its final growing stage
|
|
-- * step: The nth growth step. Counting starts at 1
|
|
-- * step_count: The number of total growth steps
|
|
function mcl_farming:stem_color(startcolor, endcolor, step, step_count)
|
|
local mix = (step - 1) / (step_count - 1)
|
|
return string.format("#%02X%02X%02X",
|
|
math.max(0, math.min(255, math.round((1 - mix) * startcolor.r + mix * endcolor.r))),
|
|
math.max(0, math.min(255, math.round((1 - mix) * startcolor.g + mix * endcolor.g))),
|
|
math.max(0, math.min(255, math.round((1 - mix) * startcolor.b + mix * endcolor.b))))
|
|
end
|
|
|
|
--[[Get a callback that either eats the item or plants it.
|
|
|
|
Used for on_place callbacks for craft items which are seeds that can also be consumed.
|
|
]]
|
|
function mcl_farming:get_seed_or_eat_callback(plantname, hp_change)
|
|
return function(itemstack, placer, pointed_thing)
|
|
return mcl_farming:place_seed(itemstack, placer, pointed_thing, plantname)
|
|
or minetest.do_item_eat(hp_change, nil, itemstack, placer, pointed_thing)
|
|
end
|
|
end
|
|
|
|
minetest.register_lbm({
|
|
label = "Add growth for unloaded farming plants",
|
|
name = "mcl_farming:growth",
|
|
nodenames = { "group:plant" },
|
|
run_at_every_load = true,
|
|
action = function(pos, node, dtime_s)
|
|
local identifier = plant_nodename_to_id[node.name]
|
|
if not identifier then return end
|
|
|
|
local plant_info = plant_lists[identifier]
|
|
if not plant_info then return end
|
|
local rolls = floor(dtime_s / plant_info.interval)
|
|
if rolls <= 0 then return end
|
|
-- simulate how often the block will be ticked
|
|
local stages = 0
|
|
for i = 1,rolls do
|
|
if random(1, plant_info.chance) == 1 then stages = stages + 1 end
|
|
end
|
|
if stages > 0 then
|
|
mcl_farming:grow_plant(identifier, pos, node, stages, false)
|
|
end
|
|
end,
|
|
})
|
|
|