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RedMew/map_gen/Diggy/Feature/ArtefactHunting.lua

156 lines
5.0 KiB
Lua

--[[-- info
Provides the ability to collect artefacts and send them to space.
]]
-- dependencies
local Event = require 'utils.event'
local Game = require 'utils.game'
local ScoreTable = require 'map_gen.Diggy.ScoreTable'
local Debug = require 'map_gen.Diggy.Debug'
local Template = require 'map_gen.Diggy.Template'
local Perlin = require 'map_gen.shared.perlin_noise'
local random = math.random
local ceil = math.ceil
-- this
local ArtefactHunting = {}
--[[--
Registers all event handlers.
]]
function ArtefactHunting.register(config)
ScoreTable.reset('Artefacts sent to space')
local seed
local function get_noise(surface, x, y)
seed = seed or surface.map_gen_settings.seed + surface.index + 300
return Perlin.noise(x * config.noise_variance * 0.9, y * config.noise_variance * 1.1, seed)
end
local distance_required = config.minimal_treasure_chest_distance * config.minimal_treasure_chest_distance
Event.add(defines.events.on_rocket_launched, function (event)
local coins = event.rocket.get_inventory(defines.inventory.rocket).get_item_count('coin')
if coins > 0 then
local sum = ScoreTable.add('Artefacts sent to space', coins)
game.print('sent ' .. coins .. ' artefacts into space! The space station is now holding ' .. sum .. ' artefacts.')
end
end)
Event.add(Template.events.on_void_removed, function (event)
local position = event.position
local x = position.x
local y = position.y
if (x * x + y * y <= distance_required) then
return
end
local surface = event.surface
if get_noise(surface, x, y) < config.treasure_chest_noise_threshold then
return
end
local chest = surface.create_entity({name = 'steel-chest', position = position, force = game.forces.player})
if not chest then
return
end
for name, prototype in pairs(config.treasure_chest_raffle) do
if random() <= prototype.chance then
chest.insert({name = name, count = random(prototype.min, prototype.max)})
end
end
end)
local modifiers = config.alien_coin_modifiers
local function picked_up_coins(player_index, count)
local text
if count == 1 then
text = '+1 coin'
else
text = '+' .. count ..' coins'
end
Game.print_player_floating_text(player_index, text, {r = 255, g = 215, b = 0})
end
Event.add(defines.events.on_entity_died, function (event)
local entity = event.entity
local force = entity.force
if force.name ~= 'enemy' then
return
end
local cause = event.cause
if not cause or cause.type ~= 'player' or not cause.valid then
return
end
local modifier = modifiers[entity.name] or 1
local evolution_multiplier = force.evolution_factor * 11
local count = random(
ceil(2 * evolution_multiplier * 0.1),
ceil(5 * (evolution_multiplier * evolution_multiplier + modifier) * 0.1)
)
entity.surface.create_entity({
name = 'item-on-ground',
position = entity.position,
stack = {name = 'coin', count = count}
})
end)
Event.add(defines.events.on_picked_up_item, function (event)
local stack = event.item_stack
if stack.name ~= 'coin' then
return
end
picked_up_coins(event.player_index, stack.count)
end)
Event.add(defines.events.on_pre_player_mined_item, function (event)
if event.entity.type ~= 'simple-entity' then
return
end
if random() > config.mining_artefact_chance then
return
end
local count = random(config.mining_artefact_amount.min, config.mining_artefact_amount.max)
local player_index = event.player_index
Game.get_player_by_index(player_index).insert({name = 'coin', count = count})
picked_up_coins(player_index, count)
end)
if (config.display_chest_locations) then
Event.add(defines.events.on_chunk_generated, function (event)
local surface = event.surface
local area = event.area
for x = area.left_top.x, area.left_top.x + 31 do
local sq_x = x * x
for y = area.left_top.y, area.left_top.y + 31 do
if sq_x + y * y >= distance_required and get_noise(surface, x, y) >= config.treasure_chest_noise_threshold then
Debug.print_grid_value('chest', surface, {x = x, y = y}, nil, nil, true)
end
end
end
end)
end
end
function ArtefactHunting.get_extra_map_info(config)
return 'Artefact Hunting, find precious coins while mining and launch them to the surface!'
end
return ArtefactHunting