mobf_core/mobf/spawning.lua
2013-04-20 21:32:42 +02:00

847 lines
27 KiB
Lua

-------------------------------------------------------------------------------
-- Mob Framework Mod by Sapier
--
-- You may copy, use, modify or do nearly anything except removing this
-- copyright notice.
-- And of course you are NOT allow to pretend you have written it.
--
--! @file spawning.lua
--! @brief component containing spawning features
--! @copyright Sapier
--! @author Sapier
--! @date 2012-08-09
--
--! @defgroup spawning Spawn mechanisms
--! @brief all functions and variables required for automatic mob spawning
--! @ingroup framework_int
--! @{
--
--! @defgroup spawn_algorithms Spawn algorithms
--! @brief spawn algorithms provided by mob framework (can be extended by mods)
--
-- Contact sapier a t gmx net
-------------------------------------------------------------------------------
--! @class spawning
--! @brief spawning features
spawning = {}
--!@}
--! @brief registry for spawn algorithms
--! @memberof spawning
--! @private
mobf_spawn_algorithms = {}
-------------------------------------------------------------------------------
-- name: remove_uninitialized(entity,staticdata)
-- @function [parent=#spawning] remove_uninitialized
--
--! @brief remove a spawn point based uppon staticdata supplied
--! @memberof spawning
--
--! @param entity to remove
--! @param staticdata of mob
-------------------------------------------------------------------------------
function spawning.remove_uninitialized(entity, staticdata)
--entity may be known in spawnlist
if staticdata ~= nil then
local permanent_data = mobf_deserialize_permanent_entity_data(staticdata)
if (permanent_data.spawnpoint ~= nil) then
--prepare information required to remove entity
entity.dynamic_data = {}
entity.dynamic_data.spawning = {}
entity.dynamic_data.spawning.spawnpoint = permanent_data.spawnpoint
entity.dynamic_data.spawning.player_spawned = permanent_data.playerspawned
entity.dynamic_data.spawning.spawner = permanent_data.spawner
spawning.remove(entity,"remove uninitialized")
end
else
dbg_mobf.spawning_lvl1("MOBF: remove uninitialized entity=" .. tostring(entity))
--directly remove it can't be known to spawnlist
entity.object:remove()
end
end
-------------------------------------------------------------------------------
-- name: remove(entity)
-- @function [parent=#spawning] remove
--
--! @brief remove a mob
--! @memberof spawning
--
--! @param entity mob to remove
--! @param reason text to log as reason for removal
-------------------------------------------------------------------------------
function spawning.remove(entity,reason)
local pos = entity.object:getpos()
dbg_mobf.spawning_lvl3("MOBF: --> remove " .. printpos(pos))
if entity ~= nil then
entity.removed = true
dbg_mobf.spawning_lvl1("MOBF: remove entity=" .. tostring(entity))
if minetest.setting_getbool("mobf_log_removed_entities") then
if reason == nil then
reason = "unknown"
end
minetest.log(LOGLEVEL_NOTICE,"MOBF: removing " .. entity.data.name ..
" at " .. printpos(pos) .. " due to: " .. reason)
end
mob_preserve.handle_remove(entity,reason)
if entity.lifebar ~= nil then
mobf_lifebar.del(entity.lifebar)
end
entity.object:remove()
else
minetest.log(LOGLEVEL_ERROR,"Trying to delete an an non existant mob")
end
dbg_mobf.spawning_lvl3("MOBF: <-- remove")
end
-------------------------------------------------------------------------------
-- name: init_dynamic_data(entity)
-- @function [parent=#spawning] init_dynamic_data
--
--! @brief initialize dynamic data required for spawning
--! @memberof spawning
--
--! @param entity mob to initialize dynamic data
--! @param now current time
-------------------------------------------------------------------------------
function spawning.init_dynamic_data(entity,now)
local data = {
player_spawned = false,
ts_dense_check = now,
spawnpoint = entity.object:getpos(),
original_spawntime = now,
spawner = nil,
density = spawning.get_min_density(entity),
}
entity.removed = false
entity.dynamic_data.spawning = data
end
-------------------------------------------------------------------------------
-- name: check_population_density(mob)
-- @function [parent=#spawning] check_population_density
--
--! @brief check and fix if there are too many mobs within a specific range
--! @memberof spawning
--
--! @param entity mob to check
--! @param now current time
-------------------------------------------------------------------------------
function spawning.check_population_density(entity,now)
if entity == nil or
entity.dynamic_data == nil or
entity.dynamic_data.spawning == nil then
mobf_bug_warning(LOGLEVEL_ERROR,"MOBF BUG!!! " .. entity.data.name ..
" pop dense check called for entity with missing spawn data entity=" ..
tostring(entity))
return
end
-- don't check if mob is player spawned
if entity.dynamic_data.spawning.player_spawned == true then
dbg_mobf.spawning_lvl1("MOBF: mob is player spawned skipping pop dense check")
return
end
--don't do population check while fighting
if entity.dynamic_data.combat ~= nil and
entity.dynamic_data.combat.target ~= "" then
return
end
--only check every 15 seconds
if entity.dynamic_data.spawning.ts_dense_check + 15 > now then
return
end
entity.dynamic_data.spawning.ts_dense_check = now
local entitypos = mobf_round_pos(entity.object:getpos())
--mob either not initialized completely or a bug
if mobf_pos_is_zero(entitypos) then
return
end
local secondary_name = ""
if entity.data.harvest ~= nil then
secondary_name = entity.data.harvest.transform_to
end
mobf_assert_backtrace(entity.dynamic_data.spawning.density ~= nil)
local mob_count = mobf_mob_around(entity.data.modname..":"..entity.data.name,
secondary_name,
entitypos,
entity.dynamic_data.spawning.density,
true)
if mob_count > 5 then
entity.removed = true
minetest.log(LOGLEVEL_WARNING,"MOBF: Too many ".. mob_count .. " "..
entity.data.name.." at one place dying: " ..
tostring(entity.dynamic_data.spawning.player_spawned))
spawning.remove(entity, "population density check")
else
dbg_mobf.spawning_lvl3("Density ok only "..mob_count.." mobs around")
end
end
-------------------------------------------------------------------------------
-- name: replace_entity(pos,name,spawnpos,health)
-- @function [parent=#spawning] replace_entity
--
--! @brief replace mob at a specific position by a new one
--! @memberof spawning
--
--! @param entity mob to replace
--! @param name of the mob to add
--! @param preserve preserve original spawntime
--! @return entity added or nil on error
-------------------------------------------------------------------------------
function spawning.replace_entity(entity,name,preserve)
dbg_mobf.spawning_lvl3("MOBF: --> replace_entity("
.. entity.data.name .. "|" .. name .. ")")
if minetest.registered_entities[name] == nil then
minetest.log(LOGLEVEL_ERROR,"MOBF: replace_entity: Bug no "
..name.." is registred")
return nil
end
-- avoid switching to same entity
if entity.name == name then
minetest.log(LOGLEVEL_INFO,"MOBF: not replacing " .. name ..
" by entity of same type!")
return nil
end
-- get data to be transfered to new entity
local pos = mobf.get_basepos(entity)
local health = entity.object:get_hp()
local temporary_dynamic_data = entity.dynamic_data
local entity_orientation = entity.object:getyaw()
if preserve == nil or preserve == false then
temporary_dynamic_data.spawning.original_spawntime = mobf_get_current_time()
end
--calculate new y pos
if minetest.registered_entities[name].collisionbox ~= nil then
pos.y = pos.y - minetest.registered_entities[name].collisionbox[2]
end
--delete current mob
dbg_mobf.spawning_lvl2("MOBF: replace_entity: removing " .. entity.data.name)
--unlink dynamic data (this should work but doesn't due to other bugs)
entity.dynamic_data = nil
--removing is done after exiting lua!
spawning.remove(entity,"replaced")
local newobject = minetest.env:add_entity(pos,name)
local newentity = mobf_find_entity(newobject)
if newentity ~= nil then
if newentity.dynamic_data ~= nil then
dbg_mobf.spawning_lvl2("MOBF: replace_entity: " .. name ..
" added at " ..
printpos(newentity.dynamic_data.spawning.spawnpoint))
newentity.dynamic_data = temporary_dynamic_data
newentity.object:set_hp(health)
newentity.object:setyaw(entity_orientation)
else
minetest.log(LOGLEVEL_ERROR,
"MOBF: replace_entity: dynamic data not set for "..name..
" maybe delayed activation?")
newentity.dyndata_delayed = {
data = temporary_dynamic_data,
health = health,
orientation = entity_orientation
}
end
else
minetest.log(LOGLEVEL_ERROR,
"MOBF: replace_entity 4 : Bug no "..name.." has been created")
end
dbg_mobf.spawning_lvl3("MOBF: <-- replace_entity")
return newentity
end
------------------------------------------------------------------------------
-- name: lifecycle()
-- @function [parent=#spawning] lifecycle
--
--! @brief check mob lifecycle
--! @memberof spawning
--
--! @return true/false still alive dead
-------------------------------------------------------------------------------
function spawning.lifecycle(entity,now)
if entity.dynamic_data.spawning.original_spawntime ~= nil then
if entity.data.spawning.lifetime ~= nil then
local lifetime = entity.data.spawning.lifetime
local current_age = now - entity.dynamic_data.spawning.original_spawntime
if current_age > 0 and
current_age > lifetime then
dbg_mobf.spawning_lvl1("MOBF: removing animal due to limited lifetime")
spawning.remove(entity," limited mob lifetime")
return false
end
end
else
entity.dynamic_data.spawning.original_spawntime = now
end
return true
end
------------------------------------------------------------------------------
-- name: register_spawn_algorithm()
-- @function [parent=#spawning] register_spawn_algorithm
--
--! @brief print current spawn statistics
--! @memberof spawning
--
--! @return true/false successfully added spawn algorithm
-------------------------------------------------------------------------------
function spawning.register_spawn_algorithm(name, spawnfunc, cleanupfunc)
if (mobf_spawn_algorithms[name] ~= nil) then
return false
end
local new_algorithm = {}
new_algorithm.register_spawn = spawnfunc
new_algorithm.register_cleanup = cleanupfunc
mobf_spawn_algorithms[name] = new_algorithm
return true
end
------------------------------------------------------------------------------
-- name: spawn_and_check(name,suffix,pos)
-- @function [parent=#spawning] spawn_and_check
--
--! @brief spawn an entity and check for presence
--! @memberof spawning
--
--! @return spawned mob entity
-------------------------------------------------------------------------------
function spawning.spawn_and_check(name,suffix,pos,text)
mobf_assert_backtrace(pos ~= nil)
mobf_assert_backtrace(pos.y ~= nil)
mobf_assert_backtrace(name ~= nil)
mobf_assert_backtrace(suffix ~= nil)
local newobject = minetest.env:add_entity(pos,name .. suffix)
if newobject then
local newentity = mobf_find_entity(newobject)
if newentity == nil then
dbg_mobf.spawning_lvl3("MOBF BUG!!! no " .. name.. suffix ..
" entity has been created by " .. text .. "!")
mobf_bug_warning(LOGLEVEL_ERROR,"BUG!!! no " .. name.. suffix ..
" entity has been created by " .. text .. "!")
else
dbg_mobf.spawning_lvl2("MOBF: spawning "..name.. suffix ..
" entity by " .. text .. " at position ".. printpos(pos))
minetest.log(LOGLEVEL_INFO,"MOBF: spawning "..name.. suffix ..
" entity by " .. text .. " at position ".. printpos(pos))
return newentity
end
else
dbg_mobf.spawning_lvl3("MOBF BUG!!! no "..name..
" object has been created by " .. text .. "!")
mobf_bug_warning(LOGLEVEL_ERROR,"MOBF BUG!!! no "..name..
" object has been created by " .. text .. "!")
end
return nil
end
------------------------------------------------------------------------------
-- name: get_center(min,max,current_step,interval)
-- @function [parent=#spawning] get_center
--
--! @brief calculate center and deltas
--! @memberof spawning
--
--! @return center,delta
-------------------------------------------------------------------------------
function spawning.get_center(min,max,current_step,interval)
dbg_mobf.spawning_lvl3("MOBF: get_center params: " .. min .. " " .. max ..
" " .. current_step .. " " .. interval )
local abs_min = min + interval * (current_step-1)
local abs_max = abs_min + interval
if abs_max > max then
abs_max = max
end
local delta = (abs_max - abs_min) / 2
return (abs_min + delta),delta
end
------------------------------------------------------------------------------
-- name: divide_mapgen_entity(minp,maxp,density,name,spawnfunc)
-- @function [parent=#spawning] divide_mapgen_entity
--
--! @brief divide mapblock into 2d chunks and call spawnfunc with randomized parameters for each
--! @memberof spawning
--! @param minp minimum 3d point of map block
--! @param maxp maximum 3d point of map block
--! @param spawndata spawndata
--! @param name name of entity to spawn
--! @param spawnfunc function to use for spawning
--! @param maxtries maximum number of tries to place a spawner
--
-------------------------------------------------------------------------------
function spawning.divide_mapgen_entity(minp,maxp,spawndata,name,spawnfunc,maxtries)
local density = spawndata.density
dbg_mobf.spawning_lvl3("MOBF: divide_mapgen params: ")
dbg_mobf.spawning_lvl3("MOBF: " .. dump(spawndata.density))
dbg_mobf.spawning_lvl3("MOBF: " .. dump(name))
dbg_mobf.spawning_lvl3("MOBF: " .. dump(spawnfunc))
if maxtries == nil then
maxtries = 5
end
local divs = 0
local attempts = 0
local spawned = 0
local starttime = mobf_get_time_ms()
local min_x = MIN(minp.x,maxp.x)
local min_y = MIN(minp.y,maxp.x)
local min_z = MIN(minp.z,maxp.z)
local max_x = MAX(minp.x,maxp.x)
local max_y = MAX(minp.y,maxp.y)
local max_z = MAX(minp.z,maxp.z)
local xdivs = math.floor(((max_x - min_x) / spawndata.density) +1)
local zdivs = math.floor(((max_z - min_z) / spawndata.density) +1)
dbg_mobf.spawning_lvl3("MOBF: X: " .. min_x .. "-->" .. max_x)
dbg_mobf.spawning_lvl3("MOBF: Z: " .. min_z .. "-->" .. max_z)
dbg_mobf.spawning_lvl3("MOBF: Y: " .. min_y .. "-->" .. max_y)
dbg_mobf.spawning_lvl3("MOBF: generating in " .. xdivs .. " | " .. zdivs .. " chunks")
for i = 1, xdivs,1 do
for j = 1, zdivs,1 do
local x_center,x_delta = spawning.get_center(min_x,max_x,i,spawndata.density)
local z_center,z_delta = spawning.get_center(min_z,max_z,j,spawndata.density)
local surface_center = mobf_get_surface(x_center,z_center,min_y,max_y)
local centerpos = {x=x_center,y=surface_center,z=z_center}
if surface_center == nil then
dbg_mobf.spawning_lvl2(
"MOBF: didn't find surface for " ..printpos(centerpos))
centerpos.y = min_y + ((max_y-min_y)/2)
end
dbg_mobf.spawning_lvl3("MOBF: center is set to " ..
"(" .. x_center .. "," .. z_center .. ")"
.." --> (".. x_delta .."," .. z_delta .. ")")
--check if there is already a mob of same type within area
local mobs_around = mobf_spawner_around(name,centerpos,spawndata.density)
if mobs_around == 0 then
dbg_mobf.spawning_lvl3("no " .. name .. " within range of " ..
spawndata.density .. " around " ..printpos(centerpos))
for i = 0, maxtries, 1 do
attempts = attempts +1
local x_try = math.random(-x_delta,x_delta)
local z_try = math.random(-z_delta,z_delta)
local pos = { x= x_center + x_try,
z= z_center + z_try }
--do place spawners in center of block
pos.x = math.floor(pos.x + 0.5)
pos.z = math.floor(pos.z + 0.5)
if spawnfunc(name,pos,min_y,max_y,spawndata) then
spawned = spawned +1
break
end
end --for -> 5
end --mob around
divs = divs +1
end -- for z divs
end -- for x divs
local max_available_tries = divs * maxtries
dbg_mobf.spawning_lvl2("MOBF: divide_mapgen I " ..
"(" .. divs .. "|" .. attempts .. "|" .. spawned .. "|" .. max_available_tries .. ")")
end
------------------------------------------------------------------------------
-- name: divide_mapgen(minp,maxp,density,name,spawnfunc)
-- @function [parent=#spawning] divide_mapgen
--
--! @brief divide mapblock into 2d chunks and call spawnfunc with randomized parameters for each
--! @memberof spawning
--! @param minp minimum 3d point of map block
--! @param maxp maximum 3d point of map block
--! @param density chunk size
--! @param name name of entity to spawn
--! @param secondary_name secondary name of entity
--! @param spawnfunc function to use for spawning
--! @param surfacefunc use this function to detect surface
--! @param maxtries maximum number of tries to place a entity
--
-------------------------------------------------------------------------------
function spawning.divide_mapgen(minp,maxp,density,name,secondary_name,spawnfunc,surfacefunc,maxtries)
local starttime = mobf_get_time_ms()
dbg_mobf.spawning_lvl3("MOBF: divide_mapgen params: ")
dbg_mobf.spawning_lvl3("MOBF: " .. dump(density))
dbg_mobf.spawning_lvl3("MOBF: " .. dump(name))
dbg_mobf.spawning_lvl3("MOBF: " .. dump(spawnfunc))
if maxtries == nil then
maxtries = 5
end
local divs = 0
local attempts = 0
local spawned = 0
local starttime = mobf_get_time_ms()
local min_x = MIN(minp.x,maxp.x)
local min_y = MIN(minp.y,maxp.x)
local min_z = MIN(minp.z,maxp.z)
local max_x = MAX(minp.x,maxp.x)
local max_y = MAX(minp.y,maxp.y)
local max_z = MAX(minp.z,maxp.z)
local xdivs = math.floor(((max_x - min_x) / density) +1)
local zdivs = math.floor(((max_z - min_z) / density) +1)
dbg_mobf.spawning_lvl3("MOBF: X: " .. min_x .. "-->" .. max_x)
dbg_mobf.spawning_lvl3("MOBF: Z: " .. min_z .. "-->" .. max_z)
dbg_mobf.spawning_lvl3("MOBF: Y: " .. min_y .. "-->" .. max_y)
dbg_mobf.spawning_lvl3("MOBF: generating in " .. xdivs .. " | " .. zdivs .. " chunks")
for i = 1, xdivs,1 do
for j = 1, zdivs,1 do
local x_center,x_delta = spawning.get_center(min_x,max_x,i,density)
local z_center,z_delta = spawning.get_center(min_z,max_z,j,density)
local surface_center = surfacefunc(x_center,z_center,min_y,max_y)
local centerpos = {x=x_center,y=surface_center,z=z_center}
if surface_center == nil then
dbg_mobf.spawning_lvl2(
"MOBF: didn't find surface for " ..printpos(centerpos))
centerpos.y = min_y + ((max_y-min_y)/2)
end
dbg_mobf.spawning_lvl3("MOBF: center is (" .. x_center .. "," .. z_center .. ") --> (".. x_delta .."," .. z_delta .. ")")
local mobs_around = mobf_mob_around(name,secondary_name,centerpos,density,true)
if mobs_around == 0 then
dbg_mobf.spawning_lvl3("no " .. name .. " within range of " .. density .. " around " ..printpos(centerpos))
for i = 0, maxtries, 1 do
attempts = attempts +1
local x_try = math.random(-x_delta,x_delta)
local z_try = math.random(-z_delta,z_delta)
local pos = { x= x_center + x_try,
z= z_center + z_try }
pos.y = surfacefunc(pos.x,pos.z,min_y,max_y)
if pos.y and spawnfunc(name,pos,min_y,max_y) then
spawned = spawned +1
break
end
end --for -> 5
end --mob around
divs = divs +1
end -- for z divs
end -- for x divs
mobf_warn_long_fct(starttime,"on_mapgen" .. name,"mapgen")
local max_available_tries = divs * maxtries
dbg_mobf.spawning_lvl2("MOBF: divide_mapgen II " ..
"(" .. divs .. "|" .. attempts .. "|" .. spawned .. "|" .. max_available_tries .. ")")
end
------------------------------------------------------------------------------
-- name: register_spawner_entity(mobname,secondary_mobname,spawndata,environment,spawnfunc)
-- @function [parent=#spawning] register_spawner_entity
--
--! @brief register a spawner entity
--! @memberof spawning
--
--! @param mobname name of mob
--! @param secondary_mobname secondary name of mob
--! @param spawndata spawning information to use
--! @param environment what environment is good for mob
--! @param spawnfunc function to call for spawning
--! @param suffix to add
--
--! @return
-------------------------------------------------------------------------------
function spawning.register_spawner_entity(mobname,secondary_mobname,spawndata,environment,spawnfunc,suffix)
if suffix == nil then
suffix = ""
end
minetest.register_entity(mobname .. "_spawner" .. suffix,
{
physical = false,
collisionbox = { 0.0,0.0,0.0,0.0,0.0,0.0},
visual = "sprite",
textures = { "invisible.png^[makealpha:128,0,0^[makealpha:128,128,0" },
on_step = function(self,dtime)
self.spawner_time_passed = self.spawner_time_passed -dtime
if self.spawner_time_passed < 0 then
local starttime = mobf_get_time_ms()
local mobcount = mobf_mob_around(self.spawner_mob_name,
self.spawner_mob_transform,
self.object:getpos(),
1.5,true)
--check if mob is already at spawner pos
if mobcount == 0 then
spawnfunc(self)
else
dbg_mobf.spawning_lvl3("MOBF: not spawning " .. self.spawner_mob_name .. " due to mob being to near " .. mobcount)
end
mobf_warn_long_fct(starttime,"spawnfunc " .. self.spawner_mob_name,"spawnfunc")
end
end,
on_activate = function(self,staticdata)
if self.spawner_mob_transform == nil then
self.spawner_mob_transform = ""
end
end,
spawner_mob_name = mobname,
spawner_mob_transform = secondary_mobname,
spawner_time_passed = 1,
spawner_mob_env = environment,
spawner_mob_spawndata = spawndata,
})
end
------------------------------------------------------------------------------
-- name: register_cleanup_spawner(mobname)
-- @function [parent=#spawning] register_cleanup_spawner
--
--! @brief register an entity to cleanup spawners
--! @memberof spawning
--
--! @param mobname mobname to create cleanup
-------------------------------------------------------------------------------
function spawning.register_cleanup_spawner(mobname)
minetest.register_entity(mobname .. "_spawner",
{
on_activate = function(self,staticdata)
self.object:remove()
end
})
end
------------------------------------------------------------------------------
-- name: setup_algorithm(mob)
-- @function [parent=#spawning] setup_algorithm
--
--! @brief set up a specific algorithm for a mob
--! @memberof spawning
--
--! @param primary_name name of mob
--! @param secondary_name name of mob (when harvested)
--! @param parameters spawning parameters
--! @param envid identifyer for environment of mob
-------------------------------------------------------------------------------
function spawning.setup_algorithm(primary_name,secondary_name,parameters,envid)
if type(parameters) == "table" then
if mobf_spawn_algorithms[parameters.algorithm] ~= nil and
type(mobf_spawn_algorithms[parameters.algorithm].register_spawn) == "function" then
dbg_mobf.spawning_lvl2("MOBF: algorithm: " .. parameters.algorithm)
dbg_mobf.spawning_lvl2("MOBF: " .. dump(primary_name) .. " " ..
dump(secondary_name) .. " " .. dump(parameters) .. " " ..
dump(envid))
mobf_spawn_algorithms[parameters.algorithm].register_spawn(
primary_name,
secondary_name,
parameters,
environment_list[envid])
end
end
end
------------------------------------------------------------------------------
-- name: get_min_density(entity)
-- @function [parent=#spawning] get_min_density
--
--! @brief get minimum density for this mob
--! @memberof spawning
--
--! @param mob entity
-------------------------------------------------------------------------------
function spawning.get_min_density(entity)
if type(entity.data.spawning.primary_algorithms) == "table" then
local density = nil
for i=1 , #entity.data.spawning.primary_algorithms , 1 do
if density == nil or
entity.data.spawning.primary_algorithms[i].density < density then
density = entity.data.spawning.primary_algorithms[i].density
end
end
return density
else
return entity.data.spawning.density
end
end
------------------------------------------------------------------------------
-- name: register_mob(mob)
-- @function [parent=#spawning] register_mob
--
--! @brief initialize spawn algorithms for a mob
--! @memberof spawning
--
--! @param mob definition
-------------------------------------------------------------------------------
function spawning.register_mob(mob)
--spawn mechanism handling
if not minetest.setting_getbool("mobf_disable_animal_spawning") then
--register spawn callback to world
if environment_list[mob.generic.envid] ~= nil then
local secondary_name = ""
if mob.harvest ~= nil then
secondary_name = mob.harvest.transforms_to
end
dbg_mobf.spawning_lvl3("MOBF: Environment to use: " .. tostring(mob.generic.envid))
if mob.spawning.algorithm == nil then
dbg_mobf.spawning_lvl2("MOBF: Register spawning algorithms")
if type(mob.spawning.primary_algorithms) == "table" then
for i=1 , #mob.spawning.primary_algorithms , 1 do
spawning.setup_algorithm(
mob.modname..":"..mob.name,
secondary_name,
mob.spawning.primary_algorithms[i],
mob.generic.envid)
end
else
dbg_mobf.spawning_lvl2("MOBF: " .. mob.name
.. " no primary spawn algorithm defined! ")
end
if minetest.setting_getbool("mobf_animal_spawning_secondary") then
if type(mob.spawning.secondary_algorithms) == "table" then
for i=1 , #mob.spawning.secondary_algorithms , 1 do
spawning.setup_algorithm(
mob.modname..":"..mob.name,
secondary_name,
mob.spawning.secondary_algorithms[i],
mob.generic.envid)
end
end
end
else
minetest.log(LOGLEVEL_WARNING,"MOBF: legacy spawning declaration"
.. " for mob: " .. mob.name
.. "!!! plz update to new way of defining spawn"
.. " algorithms")
if mobf_spawn_algorithms[mob.spawning.algorithm] ~= nil and
type(mobf_spawn_algorithms[mob.spawning.algorithm].register_spawn) == "function" then
mobf_spawn_algorithms[mob.spawning.algorithm].register_spawn(mob.modname..":"..mob.name,
secondary_name,
mob.spawning,
environment_list[mob.generic.envid])
else
dbg_mobf.spawning_lvl2("MOBF: " .. mob.name
.. " no primary spawn algorithm defined: "
.. tostring(mob.spawning.algorithm))
end
if minetest.setting_getbool("mobf_animal_spawning_secondary") then
if mob.spawning.algorithm_secondary ~= nil and
type(mobf_spawn_algorithms[mob.spawning.algorithm_secondary].register_spawn) == "function" then
mobf_spawn_algorithms[mob.spawning.algorithm_secondary].register_spawn(mob.modname..":"..mob.name,
secondary_name,
mob.spawning,
environment_list[mob.generic.envid])
end
end
end
else
minetest.log(LOGLEVEL_ERROR,"MOBF: specified mob >" .. mob.name
.. "< without environment!")
end
else
dbg_mobf.spawning_lvl3("MOBF: MOB spawning disabled!")
end
end
--include spawn algorithms
dofile (mobf_modpath .. "/spawn_algorithms/at_night.lua")
dofile (mobf_modpath .. "/spawn_algorithms/forrest.lua")
dofile (mobf_modpath .. "/spawn_algorithms/in_shallow_water.lua")
dofile (mobf_modpath .. "/spawn_algorithms/shadows.lua")
dofile (mobf_modpath .. "/spawn_algorithms/willow.lua")
dofile (mobf_modpath .. "/spawn_algorithms/big_willow.lua")
dofile (mobf_modpath .. "/spawn_algorithms/in_air1.lua")
dofile (mobf_modpath .. "/spawn_algorithms/none.lua")
dofile (mobf_modpath .. "/spawn_algorithms/deep_large_caves.lua")