Natural regrowth done.
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secXsQuared
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<Atlas><Texture filename="modicon.tex" />
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<Elements><Element name="modicon.tex" u1="0" u2="1" v1="0" v2="1" />
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</Elements></Atlas>
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name = "World Regrowth Ex"
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description = "Advanced world regrowth"
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author = "lolo"
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version = "0.0.1"
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forumthread = ""
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api_version = 10
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icon_atlas = "modicon.xml"
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icon = "modicon.tex"
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all_clients_require_mod = false
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client_only_mod = false
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dst_compatible = true
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if GLOBAL.STRINGS.NAMES.MIGRATION_PORTAL then
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AddPrefabPostInit("world", function(inst)
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if inst.ismastersim then
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inst:AddComponent("natural_regrowth")
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end
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end)
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else
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AddPrefabPostInit("forest", function(inst)
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if inst.ismastersim then
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inst:AddComponent("natural_regrowth")
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end
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end)
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end
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AddComponentPostInit("natural_regrowth", function(component)
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component:RegisterRegrowth("grass", "grass")
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end)
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AddComponentPostInit("natural_regrowth", function(component)
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component:RegisterRegrowth("evergreen", "evergreen")
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end)
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--"forest" for the overworld
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--"cave" for the caves.
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--No more "world" prefab.
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--------------------------------------------------------------------------
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--[[ NaturalRegrowth class definition ]]
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-- A modified version of the original desolationspawner.lua
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-- It acts as a standalone regrowth manager and is in dependent of the 3 existing ones
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-- It's unlikely affected by game updates as long as Klei doesn't change the API (they shouldn't)
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-- Klei has copyright over existing code used in this file.
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-- by lolo Jan. 2018.
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--------------------------------------------------------------------------
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return Class(function(self, inst)
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assert(TheWorld.ismastersim, "natrual_regrowth should not exist on client")
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require "map/terrain"
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--------------------------------------------------------------------------
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--[[ Constants ]]
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--------------------------------------------------------------------------
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local RETRY_PER_PREFAB = 5 -- retry 5 times for each prefab
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local DEBUG = true
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local UPDATE_PERIOD = 31 -- less likely to update on the same frame as others
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local BASE_RADIUS = 20
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local EXCLUDE_RADIUS = 3
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local MIN_PLAYER_DISTANCE = 64 * 1.2 -- this is our "outer" sleep radius
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--------------------------------------------------------------------------
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--[[ Member variables ]]
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--------------------------------------------------------------------------
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--Public
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self.inst = inst
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--Private
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local regrowth_table = {}
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local area_data = {}
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--------------------------------------------------------------------------
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--[[ Private member functions ]]
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--------------------------------------------------------------------------
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local function CanRegrow(x, y, z, prefab)
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if IsAnyPlayerInRange(x,y,z, MIN_PLAYER_DISTANCE, nil) then
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return false
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end
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local ents = TheSim:FindEntities(x,y,z, EXCLUDE_RADIUS)
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if #ents > 0 then
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-- Too dense
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return false
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end
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local ents = TheSim:FindEntities(x,y,z, BASE_RADIUS, nil, nil, { "structure", "wall" })
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if #ents > 0 then
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-- Don't spawn inside bases
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return false
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end
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if not (TheWorld.Map:CanPlantAtPoint(x, y, z) and
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TheWorld.Map:CanPlacePrefabFilteredAtPoint(x, y, z, prefab))
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or (RoadManager ~= nil and RoadManager:IsOnRoad(x, 0, z)) then
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-- Not ground we can grow on
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return false
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end
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return true
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end
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local function TryRegrowth(area, prefab, product)
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if TheWorld.topology.nodes[area] == nil then
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return false
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end
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local points_x, points_y = TheWorld.Map:GetRandomPointsForSite(TheWorld.topology.nodes[area].x, TheWorld.topology.nodes[area].y, TheWorld.topology.nodes[area].poly, 1)
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if #points_x < 1 or #points_y < 1 then
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return
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end
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local x = points_x[1]
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local z = points_y[1]
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if CanRegrow(x,0,z, product) then
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local instance = SpawnPrefab(product)
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if instance ~= nil then
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instance.Transform:SetPosition(x,0,z)
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end
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if DEBUG then
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print("[RegrowthEx] Spawned a ",product," for prefab ",prefab," at ", "(", x,0,z, ")", " in ", area)
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c_teleport(x,0,z)
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end
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return true
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else
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return false
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end
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end
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local function PopulateAreaData(prefab)
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if TheWorld.generated == nil then
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-- Still starting up, not ready yet.
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return
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end
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for area, densities in pairs(TheWorld.generated.densities) do
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if densities[prefab] ~= nil then
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for id, v in ipairs(TheWorld.topology.ids) do
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if v == area then
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if area_data[prefab] == nil then
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area_data[prefab] = {}
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end
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table.insert(area_data[prefab], id)
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break
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end
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end
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end
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end
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end
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local function PopulateAllAreaData()
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-- This has to be run after 1 frame from startup
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for prefab, _ in pairs(regrowth_table) do
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PopulateAreaData(prefab)
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end
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end
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--------------------------------------------------------------------------
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--[[ Public member functions ]]
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--------------------------------------------------------------------------
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function self:RegisterRegrowth(prefab, product)
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if DEBUG then
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print("Registered ", product, " for prefab " ,prefab )
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end
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regrowth_table[prefab] = product
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PopulateAreaData(prefab)
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end
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--------------------------------------------------------------------------
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--[[ Initialization ]]
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--------------------------------------------------------------------------
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inst:DoPeriodicTask(UPDATE_PERIOD, function() self:LongUpdate(UPDATE_PERIOD) end)
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inst:DoTaskInTime(0, PopulateAllAreaData)
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--------------------------------------------------------------------------
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--[[ Update ]]
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--------------------------------------------------------------------------
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function self:LongUpdate(dt)
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for prefab in pairs(area_data) do
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if DEBUG then
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print("[RegrowthEx] Regrowing ", prefab, "...")
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end
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local areas = area_data[prefab]
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local rand = math.random(1, #areas)
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local attempts = 0
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while attempts < RETRY_PER_PREFAB do
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local success = TryRegrowth(areas[rand], prefab, regrowth_table[prefab])
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attempts = attempts + 1
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if success then
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print("[RegrowthEx] Succeeded after ", attempts, " attempts.")
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break
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end
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end
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if DEBUG and attempts == RETRY_PER_PREFAB then
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print("[RegrowthEx] Failed after ", attempts, " attempts.")
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end
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end
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end
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--------------------------------------------------------------------------
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--[[ Save/Load ]]
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--------------------------------------------------------------------------
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function self:OnSave()
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local data = {
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areas = {}
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}
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for prefab in pairs(area_data) do
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data.areas[prefab] = {}
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for area in pairs(area_data[prefab]) do
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table.insert(data.areas[prefab], area)
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end
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end
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return data
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end
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function self:OnLoad(data)
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for prefab in pairs(data.areas) do
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for area in pairs(data.areas) do
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if area_data[prefab] == nil then
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area_data[prefab] = {}
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end
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table.insert(area_data[prefab], area)
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end
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end
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end
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--------------------------------------------------------------------------
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--[[ End ]]
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--------------------------------------------------------------------------
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end)
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