spawners/spawners_mobs/api.lua
2018-01-03 14:56:09 -05:00

409 lines
12 KiB
Lua

-- main tables
spawners_mobs = {}
spawners_mobs.mob_tables = {}
-- check if mods exists and build tables
for k, mob_mod in ipairs(ENABLED_MODS) do
local modpath = minetest.get_modpath(mob_mod)
-- list of mobs and their info
if (modpath) then
for j, mob in ipairs(MOBS_PROPS[mob_mod]) do
local mob_egg = nil
-- disabled extra check for mobs redo due to incompatibility with Lua 5.1, this method is available from Lua 5.2
-- if mob_mod == "mobs" and not (mobs.mod == "redo") then goto continue end
table.insert(spawners_mobs.mob_tables,
{
name = mob.name,
mod_prefix = mob_mod,
egg_name_custom = mob.egg_name_custom,
dummy_size = mob.dummy_size,
dummy_offset = mob.dummy_offset,
dummy_mesh = mob.dummy_mesh,
dummy_texture = mob.dummy_texture,
night_only = mob.night_only,
sound_custom = mob.sound_custom
}
)
-- use custom egg or create a default egg
if mob.egg_name_custom ~= "" then
mob_egg = mob.egg_name_custom
else
mob_egg = mob_mod..":"..mob.name
end
-- recipes
minetest.register_craft({
output = "spawners_mobs:"..mob_mod.."_"..mob.name.."_spawner",
recipe = {
{"default:diamondblock", "fire:flint_and_steel", "default:diamondblock"},
{"xpanes:bar_flat", mob_egg, "xpanes:bar_flat"},
{"default:diamondblock", "xpanes:bar_flat", "default:diamondblock"},
}
})
-- ::continue::
end
end
end
function spawners_mobs.meta_get_int(key, pos)
local meta = minetest.get_meta(pos)
return meta:get_int(key)
end
function spawners_mobs.meta_set_int(key, value, pos)
local meta = minetest.get_meta(pos)
meta:set_int(key, value)
end
function spawners_mobs.meta_set_str(key, value, pos)
local meta = minetest.get_meta(pos)
meta:set_string(key, value)
end
-- particles
function spawners_mobs.cloud_booom(pos)
minetest.add_particlespawner({
amount = 5,
time = 2,
minpos = vector.subtract({x=pos.x-0.3, y=pos.y, z=pos.z-0.3}, 0.3),
maxpos = vector.add({x=pos.x+0.3, y=pos.y, z=pos.z+0.3}, 0.3),
minvel = {x=0.1, y=0.1, z=0.1},
maxvel = {x=0.2, y=0.2, z=0.2},
minacc = vector.new({x=-0.1, y=0.3, z=-0.1}),
maxacc = vector.new({x=0.1, y=0.6, z=0.1}),
minexptime = 2,
maxexptime = 3,
minsize = 4,
maxsize = 12,
texture = "spawners_mobs_smoke_particle_2.png^[transform"..math.random(0,3),
})
end
function spawners_mobs.add_flame_effects(pos)
local id = minetest.add_particlespawner({
amount = 6,
time = 0,
minpos = vector.subtract({x=pos.x-0.001, y=pos.y-0.001, z=pos.z-0.001}, 0.5),
maxpos = vector.add({x=pos.x+0.001, y=pos.y+0.001, z=pos.z+0.001}, 0.5),
minvel = {x=-0.1, y=-0.1, z=-0.1},
maxvel = {x=0.1, y=0.1, z=0.1},
minacc = vector.new(),
maxacc = vector.new(),
minexptime = 1,
maxexptime = 5,
minsize = .5,
maxsize = 2.5,
texture = "spawners_mobs_flame_particle_2.png",
})
return id
end
function spawners_mobs.add_smoke_effects(pos)
local id = minetest.add_particlespawner({
amount = 1,
time = 0,
minpos = vector.subtract({x=pos.x-0.001, y=pos.y-0.001, z=pos.z-0.001}, 0.5),
maxpos = vector.add({x=pos.x+0.001, y=pos.y+0.001, z=pos.z+0.001}, 0.5),
minvel = {x=-0.5, y=0.5, z=-0.5},
maxvel = {x=0.5, y=1.5, z=0.5},
minacc = vector.new({x=-0.1, y=0.1, z=-0.1}),
maxacc = vector.new({x=0.1, y=0.3, z=0.1}),
minexptime = .5,
maxexptime = 2,
minsize = .5,
maxsize = 2,
texture = "spawners_mobs_smoke_particle.png^[transform"..math.random(0,3),
})
return id
end
-- start spawning mobs
function spawners_mobs.start_spawning(random_pos, mob_name, mod_prefix, sound_custom)
if not (random_pos or how_many or mob_name) then return end
local sound_name = mod_prefix.."_"..mob_name
-- use custom sounds
if sound_custom ~= "" then
sound_name = sound_custom
end
-- remove 'spawners_mobs:' from the string
print("#2 mod_prefix: "..mod_prefix)
print("#2 mob_name: "..mob_name)
-- local mob_name = string.sub(mob_name,15)
-- use random colors for sheeps
if mob_name == "sheep_white" then
local sheep_colors = {"black", "blue", "brown", "cyan", "dark_green", "dark_grey", "green", "grey", "magenta", "orange", "pink", "red", "violet", "white", "yellow"}
mob_name = "sheep_"..sheep_colors[math.random(#sheep_colors)]
end
local how_many = math.random(2)
print("how_many: ", how_many)
for i = 1, how_many do
-- spawn a bit more above the block - prevent spawning inside the block
random_pos.y = random_pos.y + 0.5
spawners_mobs.cloud_booom(random_pos)
minetest.after(1, function()
local obj = minetest.add_entity(random_pos, mod_prefix..":"..mob_name)
if obj then
if sound_name then
minetest.sound_play(sound_name, {
pos = random_pos,
max_hear_distance = 10,
gain = 0.3
})
end
end
end)
end
end
function spawners_mobs.check_around_radius(pos, mob)
local player_near = false
local radius = 21
local mobs = {}
for _,obj in ipairs(minetest.get_objects_inside_radius(pos, radius)) do
local luae = obj:get_luaentity()
-- check for number of mobs near by
if luae ~= nil and luae.name ~= nil and mob ~= nil then
local mob_name = string.split(luae.name, ":")
mob_name = mob_name[2]
if mob_name == mob then
table.insert(mobs, mob)
end
if #mobs >= 8 then
player_near = false
return player_near
end
end
-- check for player near by
if obj:is_player() then
player_near = true
end
end
return player_near
end
local old_is_protected = minetest.is_protected
function minetest.is_protected(pos, name)
-- is area protected against name?
if not protector.can_dig(protector.radius, pos, name, false, 1) then
return true
end
-- otherwise can dig or place
return old_is_protected(pos, name)
end
function spawners_mobs.check_node_status(pos, mob, night_only)
-- re-factor
local posmin = { x = pos.x - 4, y = pos.y - 1, z = pos.z - 4 }
local posmax = { x = pos.x + 4, y = pos.y + 1, z = pos.z + 4 }
local player_near = false
local entities_near = 0
local entities_max = 6
local node_light_min = 13
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner") or ""
local mod_prefix = meta:get_string("mod_prefix") or false
local mob_name = meta:get_string("mob_name") or false
local sound_custom = meta:get_string("sound_custom") or ""
print("#1 mod_prefix: "..mod_prefix)
print("#1 mob_name: "..mob_name)
if not (mod_prefix or mob_name) then return end
-- check spawner light
local node_light = minetest.get_node_light(pos)
if (not node_light or node_light < node_light_min) and night_only then
-- too dark - spawn only hostile mobs
print("too dark - spawn only hostile mobs")
elseif node_light >= node_light_min and not night_only then
-- enough light - spawn only friendly mobs
print("enough light - spawn only friendly mobs")
else
-- too dark for friendly mob to spawn or too light for hostile mob to spawn
print("too dark for friendly mob to spawn or too light for hostile mob to spawn")
-- tick short
return
end
-- positions where mobs can spawn
local spawn_area_pos = minetest.find_nodes_in_area(posmin, posmax, "air")
-- get random spawn position from spawn area
local random_idx = math.random(#spawn_area_pos)
local random_pos = spawn_area_pos[random_idx]
local random_pos_above = minetest.get_node({ x = random_pos.x, y = random_pos.y + 1, z = random_pos.z }).name
-- check if there is enough place to spawn mob
if random_pos_above ~= "air" then
-- tick short
print("no random position found")
return
end
-- don't do anything and try again later when random position is protected
if minetest.is_protected(random_pos, owner) then
print("random pos is protected")
minetest.record_protection_violation(random_pos, owner)
-- tick short
return
end
-- area where player and entity count will be detected
local activation_area = minetest.get_objects_inside_radius(pos, 16)
for k, object in ipairs(activation_area) do
-- find player inside activation area
if object:is_player() then
player_near = true
-- print("found player: "..object:get_player_name())
end
-- find entities inside activation area
if not object:is_player() and
object:get_luaentity() and
object:get_luaentity().name ~= "__builtin:item" then
local tmp_mob_name = string.split(object:get_luaentity().name, ":")[2]
-- sheeps have colors in names
if string.find(tmp_mob_name, "sheep") and string.find(mob, "sheep") then
-- print("found entity: "..tmp_mob_name)
entities_near = entities_near + 1
elseif tmp_mob_name == mob then
-- print("found entity: "..tmp_mob_name)
entities_near = entities_near + 1
end
end
-- stop looping when met all conditions
if entities_near >= entities_max and player_near then
-- print("max entities reached "..entities_max.." and player_near found, breaking..")
break
end
end
-- don't do anything and try again later when player not near or max entities reached
if entities_near >= entities_max or not player_near then
-- tick short
print("max entities reached "..entities_max.." or player not near")
return
end
-- start spawning
-- minetest.set_node(random_pos, { name = "default:apple" })
spawners_mobs.start_spawning(random_pos, mob_name, mod_prefix, sound_custom)
-- /re-factor
-- if player_near then
-- local random_pos = false
-- local min_node_light = 10
-- local tod = minetest.get_timeofday() * 24000
-- local node_light = minetest.get_node_light(pos)
-- if not node_light then
-- return false
-- end
-- local spawn_positions = {}
-- local right = minetest.get_node_or_nil({x=pos.x+1, y=pos.y, z=pos.z})
-- local front = minetest.get_node_or_nil({x=pos.x, y=pos.y, z=pos.z+1})
-- local left = minetest.get_node_or_nil({x=pos.x-1, y=pos.y, z=pos.z})
-- local back = minetest.get_node_or_nil({x=pos.x, y=pos.y, z=pos.z-1})
-- local top = minetest.get_node_or_nil({x=pos.x, y=pos.y+1, z=pos.z})
-- local bottom = minetest.get_node_or_nil({x=pos.x, y=pos.y-1, z=pos.z})
-- -- make sure that at least one side of the spawner is open
-- if right ~= nil and right.name == "air" then
-- table.insert(spawn_positions, {x=pos.x+1.5, y=pos.y, z=pos.z})
-- end
-- if front ~= nil and front.name == "air" then
-- table.insert(spawn_positions, {x=pos.x, y=pos.y, z=pos.z+1.5})
-- end
-- if left ~= nil and left.name == "air" then
-- table.insert(spawn_positions, {x=pos.x-1.5, y=pos.y, z=pos.z})
-- end
-- if back ~= nil and back.name == "air" then
-- table.insert(spawn_positions, {x=pos.x, y=pos.y, z=pos.z-1.5})
-- end
-- if top ~= nil and top.name == "air" then
-- table.insert(spawn_positions, {x=pos.x, y=pos.y+1.5, z=pos.z})
-- end
-- if bottom ~= nil and bottom.name == "air" then
-- table.insert(spawn_positions, {x=pos.x, y=pos.y-1.5, z=pos.z})
-- end
-- if #spawn_positions < 1 then
-- -- spawner is closed from all sides
-- return false
-- else
-- -- pick random from the open sides
-- local pick_random
-- if #spawn_positions == 1 then
-- pick_random = #spawn_positions
-- else
-- pick_random = math.random(#spawn_positions)
-- end
-- for k, v in pairs (spawn_positions) do
-- if k == pick_random then
-- random_pos = v
-- end
-- end
-- end
-- -- check the node above and below the found air node
-- local node_above = minetest.get_node({x=random_pos.x, y=random_pos.y+1, z=random_pos.z}).name
-- local node_below = minetest.get_node({x=random_pos.x, y=random_pos.y-1, z=random_pos.z}).name
-- if not (node_above == "air" or node_below == "air") then
-- return false
-- end
-- if night_only ~= "disable" then
-- -- spawn only at day
-- if not night_only and node_light < min_node_light then
-- return false, true
-- end
-- -- spawn only at night
-- if night_only then
-- if not (19359 > tod and tod > 5200) or node_light < min_node_light then
-- return random_pos
-- else
-- return false, true
-- end
-- end
-- end
-- -- random_pos, waiting
-- return random_pos, false
-- else
-- -- random_pos, waiting
-- return false, true
-- end
end