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roll "legacy" mapgen calls into a loop similar to the standard one, call them

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"no air check" instead.  Adjust debug prints and summary accordingly.

This reduces the total number of mapgen hooks from 5 down to just 2.
This commit is contained in:
Vanessa Ezekowitz 2014-08-18 15:50:05 -04:00
parent 3b32a4acb7
commit 5fdcaa25c4
1 changed files with 166 additions and 112 deletions
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278
plants_lib/init.lua
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@ -13,7 +13,7 @@ plantslib = {}
plantslib.modpath = minetest.get_modpath("plants_lib")
plantslib.intllib_modpath = minetest.get_modpath("intllib")
plantslib.total_legacy_calls = 0
plantslib.total_no_air_check_calls = 0
local S
if plantslib.intllib_modpath then
@ -98,11 +98,11 @@ function plantslib:set_defaults(biome)
biome.facedir = biome.facedir or 0
end
-- Spawn plants using the map generator
plantslib.surfaces_list = {}
plantslib.actions_list = {}
plantslib.surface_nodes = {}
plantslib.surfaces_list_noaircheck = {}
plantslib.actions_list_noaircheck = {}
local function search_table(t, s)
for i = 1, #t do
@ -112,10 +112,13 @@ local function search_table(t, s)
end
-- register the list of surfaces to spawn stuff on, filtering out all duplicates.
-- separate the items by air-checking or non-air-checking map eval methods
function plantslib:register_generate_plant(biomedef, node_or_function_or_model)
-- if calling code passes an undefined node, don't register an action for it.
-- if calling code passes an undefined node for a surface or
-- as a node to be spawned, don't register an action for it.
if type(node_or_function_or_model) == "string"
and string.find(node_or_function_or_model, ":")
and not minetest.registered_nodes[node_or_function_or_model] then
@ -129,10 +132,31 @@ function plantslib:register_generate_plant(biomedef, node_or_function_or_model)
end
if biomedef.check_air == false then
plantslib:dbg("Warning: Registered legacy mapgen hook: "..dump(node_or_function_or_model))
minetest.register_on_generated(plantslib:generate_block_legacy(minp, maxp, biomedef, node_or_function_or_model))
plantslib.total_legacy_calls = plantslib.total_legacy_calls + 1
plantslib:dbg("Register no-air-check mapgen hook: "..dump(node_or_function_or_model))
plantslib.actions_list_noaircheck[#plantslib.actions_list_noaircheck + 1] = { biomedef, node_or_function_or_model }
local s = biomedef.surface
if type(s) == "string" then
if s and minetest.registered_nodes[s] then
if not search_table(plantslib.surfaces_list_noaircheck, s) then
plantslib.surfaces_list_noaircheck[#plantslib.surfaces_list_noaircheck + 1] = s
end
else
plantslib:dbg("Warning: Ignored no-air-check registration for undefined surface node: "..dump(s))
end
else
for i = 1, #biomedef.surface do
local s = biomedef.surface[i]
if s and minetest.registered_nodes[s] then
if not search_table(plantslib.surfaces_list_noaircheck, s) then
plantslib.surfaces_list_noaircheck[#plantslib.surfaces_list_noaircheck + 1] = s
end
else
plantslib:dbg("Warning: Ignored no-air-check registration for undefined surface node: "..dump(s))
end
end
end
else
plantslib:dbg("Register with-air-checking mapgen hook: "..dump(node_or_function_or_model))
plantslib.actions_list[#plantslib.actions_list + 1] = { biomedef, node_or_function_or_model }
local s = biomedef.surface
if type(s) == "string" then
@ -141,7 +165,7 @@ function plantslib:register_generate_plant(biomedef, node_or_function_or_model)
plantslib.surfaces_list[#plantslib.surfaces_list + 1] = s
end
else
plantslib:dbg("Warning: Ignored registration for undefined surface node: "..dump(s))
plantslib:dbg("Warning: Ignored with-air-checking registration for undefined surface node: "..dump(s))
end
else
for i = 1, #biomedef.surface do
@ -151,14 +175,17 @@ function plantslib:register_generate_plant(biomedef, node_or_function_or_model)
plantslib.surfaces_list[#plantslib.surfaces_list + 1] = s
end
else
plantslib:dbg("Warning: Ignored registration for undefined surface node: "..dump(s))
plantslib:dbg("Warning: Ignored with-air-checking registration for undefined surface node: "..dump(s))
end
end
end
end
end
function plantslib:generate_block(minp, maxp, blockseed)
-- Primary mapgen spawner, for mods that can work with air checking enabled on
-- a surface during the initial map read stage.
function plantslib:generate_block_with_air_checking(minp, maxp, blockseed)
return function(minp, maxp, blockseed)
-- use the block hash as a unique key into the surface_nodes
@ -199,7 +226,7 @@ function plantslib:generate_block(minp, maxp, blockseed)
local noise3 = plantslib.perlin_humidity:get2d({x=pos.x+150, y=pos.z+50})
local biome_surfaces_string = dump(biome.surface)
if ((not biome.depth and string.find(biome_surfaces_string, minetest.get_node(pos).name)) or (biome.depth and not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name)))
and (not biome.check_air or (biome.check_air and minetest.get_node(p_top).name == "air"))
and minetest.get_node(p_top).name == "air"
and pos.y >= biome.min_elevation
and pos.y <= biome.max_elevation
and noise1 > biome.plantlife_limit
@ -281,7 +308,131 @@ function plantslib:generate_block(minp, maxp, blockseed)
end
end
minetest.register_on_generated(plantslib:generate_block(minp, maxp, blockseed))
-- Separate copy of the mapgen spawner, for mods that require disabling of
-- checking for air during the initial map read stage.
function plantslib:generate_block_no_air_check(minp, maxp, blockseed)
return function(minp, maxp, blockseed)
-- use the block hash as a unique key into the surface_nodes
-- table, so that we can write the table thread-safely.
local blockhash = minetest.hash_node_position(minp)
-- read the generated block into the block cache, filtered for "surfaces"
local surface_nodes = {}
surface_nodes.blockhash = minetest.find_nodes_in_area(minp, maxp, plantslib.surfaces_list_noaircheck)
for action = 1, #plantslib.actions_list_noaircheck do
local biome = plantslib.actions_list_noaircheck[action][1]
local node_or_function_or_model = plantslib.actions_list_noaircheck[action][2]
plantslib:set_defaults(biome)
-- filter stage 1 - find nodes from the supplied surfaces that are within the current biome.
local in_biome_nodes = {}
local perlin_fertile_area = minetest.get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
for i = 1, #surface_nodes.blockhash do
local pos = surface_nodes.blockhash[i]
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
local noise1 = perlin_fertile_area:get2d({x=pos.x, y=pos.z})
local noise2 = plantslib.perlin_temperature:get2d({x=pos.x, y=pos.z})
local noise3 = plantslib.perlin_humidity:get2d({x=pos.x+150, y=pos.z+50})
local biome_surfaces_string = dump(biome.surface)
if ((not biome.depth and string.find(biome_surfaces_string, minetest.get_node(pos).name)) or (biome.depth and not string.find(biome_surfaces_string, minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name)))
and pos.y >= biome.min_elevation
and pos.y <= biome.max_elevation
and noise1 > biome.plantlife_limit
and noise2 <= biome.temp_min
and noise2 >= biome.temp_max
and noise3 <= biome.humidity_min
and noise3 >= biome.humidity_max
and (not biome.ncount or #(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
and (not biome.near_nodes or #(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
and math.random(1,100) > biome.rarity
and (not biome.below_nodes or string.find(dump(biome.below_nodes), minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name) )
then
in_biome_nodes[#in_biome_nodes + 1] = pos
end
end
-- filter stage 2 - find places within that biome area to place the plants.
local num_in_biome_nodes = #in_biome_nodes
if num_in_biome_nodes > 0 then
for i = 1, math.min(biome.max_count, num_in_biome_nodes) do
local tries = 0
local spawned = false
while tries < 2 and not spawned do
local pos = in_biome_nodes[math.random(1, num_in_biome_nodes)]
if biome.spawn_replace_node then
pos.y = pos.y-1
end
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes)) then
if biome.delete_above then
minetest.remove_node(p_top)
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
end
if biome.delete_above_surround then
minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z-1})
minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z+1})
minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1})
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1})
end
if biome.spawn_replace_node then
minetest.remove_node(pos)
end
local objtype = type(node_or_function_or_model)
if objtype == "table" then
plantslib:generate_tree(pos, node_or_function_or_model)
spawned = true
elseif objtype == "string" and
minetest.registered_nodes[node_or_function_or_model] then
minetest.set_node(p_top, { name = node_or_function_or_model })
spawned = true
elseif objtype == "function" then
node_or_function_or_model(pos)
spawned = true
elseif objtype == "string" and pcall(loadstring(("return %s(...)"):
format(node_or_function_or_model)),pos) then
spawned = true
else
plantslib:dbg("Warning: Ignored invalid definition for object "..dump(node_or_function_or_model).." that was pointed at {"..dump(pos).."}")
end
else
tries = tries + 1
end
end
end
end
end
end
end
-- And here we actually register the mapgen hooks with the engine
minetest.register_on_generated(
plantslib:generate_block_with_air_checking(minp, maxp, blockseed)
)
minetest.register_on_generated(
plantslib:generate_block_no_air_check(minp, maxp, blockseed)
)
-- The spawning ABM
@ -534,107 +685,10 @@ function plantslib:get_nodedef_field(nodename, fieldname)
return minetest.registered_nodes[nodename][fieldname]
end
-- The old version of the mapgen spawner, for mods that require disabling of
-- checking for air during the initial map read stage.
function plantslib:generate_block_legacy(minp, maxp, biomedef, node_or_function_or_model)
return function(minp, maxp, blockseed)
local biome = biomedef
plantslib:set_defaults(biome)
local searchnodes = minetest.find_nodes_in_area(minp, maxp, biome.surface)
local in_biome_nodes = {}
local perlin_fertile_area = minetest.get_perlin(biome.seed_diff, perlin_octaves, perlin_persistence, perlin_scale)
for i = 1, #searchnodes do
local pos = searchnodes[i]
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
local noise1 = perlin_fertile_area:get2d({x=p_top.x, y=p_top.z})
local noise2 = plantslib.perlin_temperature:get2d({x=p_top.x, y=p_top.z})
local noise3 = plantslib.perlin_humidity:get2d({x=p_top.x+150, y=p_top.z+50})
if (not biome.depth or minetest.get_node({ x = pos.x, y = pos.y-biome.depth-1, z = pos.z }).name ~= biome.surface)
and pos.y >= biome.min_elevation
and pos.y <= biome.max_elevation
and noise1 > biome.plantlife_limit
and noise2 <= biome.temp_min
and noise2 >= biome.temp_max
and noise3 <= biome.humidity_min
and noise3 >= biome.humidity_max
and (not biome.ncount or #(minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, biome.neighbors)) > biome.ncount)
and (not biome.near_nodes or #(minetest.find_nodes_in_area({x=pos.x-biome.near_nodes_size, y=pos.y-biome.near_nodes_vertical, z=pos.z-biome.near_nodes_size}, {x=pos.x+biome.near_nodes_size, y=pos.y+biome.near_nodes_vertical, z=pos.z+biome.near_nodes_size}, biome.near_nodes)) >= biome.near_nodes_count)
and math.random(1,100) > biome.rarity
and (not biome.below_nodes or string.find(dump(biome.below_nodes), minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name) )
then
in_biome_nodes[#in_biome_nodes + 1] = pos
end
end
local num_in_biome_nodes = #in_biome_nodes
if num_in_biome_nodes > 0 then
for i = 1, math.min(biome.max_count, num_in_biome_nodes) do
local tries = 0
local spawned = false
while tries < 2 and not spawned do
local pos = in_biome_nodes[math.random(1, num_in_biome_nodes)]
if biome.spawn_replace_node then
pos.y = pos.y-1
end
local p_top = { x = pos.x, y = pos.y + 1, z = pos.z }
if not (biome.avoid_nodes and biome.avoid_radius and minetest.find_node_near(p_top, biome.avoid_radius + math.random(-1.5,2), biome.avoid_nodes)) then
if biome.delete_above then
minetest.remove_node(p_top)
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z})
end
if biome.delete_above_surround then
minetest.remove_node({x=p_top.x-1, y=p_top.y, z=p_top.z})
minetest.remove_node({x=p_top.x+1, y=p_top.y, z=p_top.z})
minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z-1})
minetest.remove_node({x=p_top.x, y=p_top.y, z=p_top.z+1})
minetest.remove_node({x=p_top.x-1, y=p_top.y+1, z=p_top.z})
minetest.remove_node({x=p_top.x+1, y=p_top.y+1, z=p_top.z})
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z-1})
minetest.remove_node({x=p_top.x, y=p_top.y+1, z=p_top.z+1})
end
if biome.spawn_replace_node then
minetest.remove_node(pos)
end
local objtype = type(node_or_function_or_model)
if objtype == "table" then
plantslib:generate_tree(pos, node_or_function_or_model)
spawned = true
elseif objtype == "string" and
minetest.registered_nodes[node_or_function_or_model] then
minetest.set_node(p_top, { name = node_or_function_or_model })
spawned = true
elseif objtype == "function" then
node_or_function_or_model(pos)
spawned = trueload
elseif objtype == "string" and pcall(loadstring(("return %s(...)"):
format(node_or_function_or_model)),pos) then
spawned = true
else
plantslib:dbg("Warning: Ignored invalid definition for object "..dump(node_or_function_or_model).." that was pointed at {"..dump(pos).."}")
end
else
tries = tries + 1
end
end
end
end
end
end
print("[Plants Lib] Loaded")
minetest.after(0, function()
print("[Plants Lib] Registered a total of "..#plantslib.surfaces_list.." surface types to be evaluated,")
print("[Plants Lib] a total of "..#plantslib.actions_list.." actions, and "..plantslib.total_legacy_calls.." legacy mapgen hooks.")
print("[Plants Lib] Registered a total of "..(#plantslib.surfaces_list)+(#plantslib.surfaces_list_noaircheck).." surface types to be evaluated, spread")
print("[Plants Lib] across "..#plantslib.actions_list.." actions with air-checking and "..#plantslib.actions_list_noaircheck.." actions without.")
end)