mirror of
https://github.com/pandorabox-io/spacecannon.git
synced 2024-12-21 05:15:47 +01:00
334 lines
8.1 KiB
Lua
334 lines
8.1 KiB
Lua
-- vi: noexpandtab
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local cable_entry = "^technic_cable_connection_overlay.png"
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local register_spacecannon = function(def)
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local entity_texture = "energycube_" .. def.color .. ".png"
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minetest.register_entity("spacecannon:energycube_" .. def.color, {
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initial_properties = {
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visual = "cube",
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visual_size = {x=0.25, y=0.25},
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textures = {
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entity_texture,
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entity_texture,
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entity_texture,
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entity_texture,
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entity_texture,
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entity_texture
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},
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collisionbox = {-0.25,-0.25,-0.25, 0.25,0.25,0.25},
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physical = false
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},
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timer = 0,
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lifetime = 0,
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static_save = false,
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penetrated = 0,
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on_step = function(self, dtime)
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self.timer = self.timer + dtime
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self.lifetime = self.lifetime + dtime
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if self.lifetime > def.timeout then
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self.object:remove()
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return
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end
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local pos = self.object:getpos()
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if self.timer > 0.5 then
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-- add sparks along the way
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minetest.add_particlespawner({
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amount = 5,
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time = 0.5,
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minpos = pos,
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maxpos = pos,
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minvel = {x = -2, y = -2, z = -2},
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maxvel = {x = 2, y = 2, z = 2},
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minacc = {x = -3, y = -3, z = -3},
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maxacc = {x = 3, y = 3, z = 3},
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minexptime = 1,
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maxexptime = 2.5,
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minsize = 0.5,
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maxsize = 0.75,
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texture = "spacecannon_spark.png",
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glow = 5
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})
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self.timer = 0
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end
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local node = minetest.get_node(pos)
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local node_def = minetest.registered_nodes[node.name]
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local goes_through = not node_def.walkable
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if goes_through then
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local objs = minetest.get_objects_inside_radius({x=pos.x,y=pos.y,z=pos.z}, 1)
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local collided = false
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for _, obj in pairs(objs) do
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if (obj:is_player() or (obj:get_luaentity() ~= nil
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and obj:get_luaentity().name ~= self.name
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and obj:get_luaentity().name ~= "__builtin:item"))
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and spacecannon.can_damage(obj)
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then
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collided = true
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obj:punch(self.object, 1.0, {
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full_punch_interval=1.0,
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damage_groups={fleshy=def.damage},
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}, nil)
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end
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end
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if collided then
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spacecannon.destroy(pos, def.range, def.intensity)
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self.penetrated = self.penetrated + 1
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if self.penetrated >= def.penetration then
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self.object:remove()
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end
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end
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else
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-- collision
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spacecannon.destroy(pos, def.range, def.intensity)
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self.penetrated = self.penetrated + 1
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if self.penetrated >= def.penetration then
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self.object:remove()
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end
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end
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end
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})
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-- top, bottom
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local textures = {
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"cannon_blank.png" .. cable_entry,
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"cannon_front_" .. def.color .. ".png",
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"cannon_blank.png" .. cable_entry,
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"cannon_blank.png" .. cable_entry,
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"cannon_blank.png" .. cable_entry,
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"cannon_blank.png" .. cable_entry
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}
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if def.textures then
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textures = def.textures
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end
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minetest.register_node("spacecannon:cannon_" .. def.color, {
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description = def.name .. " (" .. def.desc .. ")",
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tiles = textures,
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groups = {cracky=3,oddly_breakable_by_hand=3,technic_machine = 1, technic_hv = 1},
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drop = "spacecannon:cannon_" .. def.color,
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sounds = default.node_sound_glass_defaults(),
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paramtype2 = "facedir",
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legacy_facedir_simple = true,
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mesecons = {effector = {
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action_on = function (pos)
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local meta = minetest.get_meta(pos)
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local owner = meta:get_string("owner")
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spacecannon.fire(pos, owner, def.color, def.speed, def.is_th, def.storage_require_mod)
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end
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}},
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connects_to = {"group:technic_hv_cable"},
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connect_sides = {"bottom", "top", "left", "right", "front", "back"},
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digiline = {
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receptor = {
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rules = spacecannon.digiline_rules,
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action = function() end
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},
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effector = {
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rules = spacecannon.digiline_rules,
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action = spacecannon.digiline_effector
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},
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},
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after_place_node = function(pos, placer)
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local meta = minetest.get_meta(pos)
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meta:set_string("owner", placer:get_player_name() or "")
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end,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_int("powerstorage", 0)
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meta:set_int("HV_EU_input", 0)
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meta:set_int("HV_EU_demand", 0)
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-- Set default digiline channel (do before updating formspec).
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meta:set_string("channel", "spacecannon")
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-- Set inventory (not used for thermal cannons)
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if not def.is_th then
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local inv = meta:get_inventory()
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inv:set_size("src", 1)
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end
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spacecannon.update_formspec(meta, def.is_th)
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end,
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technic_run = function(pos)
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local meta = minetest.get_meta(pos)
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local eu_input = meta:get_int("HV_EU_input")
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local demand = meta:get_int("HV_EU_demand")
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local store = meta:get_int("powerstorage")
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local config_store = spacecannon.config.ki_powerstorage * def.storage_require_mod
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if def.is_th then config_store = spacecannon.config.th_powerstorage * def.storage_require_mod end
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local config_require = spacecannon.config.ki_powerrequirement
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if def.is_th then config_require = spacecannon.config.th_powerrequirement end
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local infotext =
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"Power: " .. eu_input .. "/" .. demand .. " " ..
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"Store: " .. store .. "\n" ..
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def.name .. ": " .. def.desc
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meta:set_string("infotext", infotext)
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if store < config_store then
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-- charge
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meta:set_int("HV_EU_demand", config_require)
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meta:set_int("powerstorage", store + eu_input)
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else
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-- charged
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meta:set_int("HV_EU_demand", 0)
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end
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end,
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on_receive_fields = function(pos, _, fields, sender)
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local playername = sender and sender:get_player_name() or ""
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if minetest.is_protected(pos, playername) then
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-- only allow protection-owner to fire and configure
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return
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end
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local meta = minetest.get_meta(pos)
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if fields.fire then
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spacecannon.fire(pos, playername, def.color, def.speed, def.is_th, def.storage_require_mod)
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end
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if fields.set_digiline_channel and fields.digiline_channel then
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meta:set_string("channel", fields.digiline_channel)
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end
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spacecannon.update_formspec(meta, def.is_th)
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end,
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after_dig_node = function(pos, _node, meta, _digger)
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if meta.inventory and meta.inventory.src and meta.inventory.src[1] then
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minetest.add_item(pos, ItemStack(meta.inventory.src[1]))
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end
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end
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})
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technic.register_machine("HV", "spacecannon:cannon_" .. def.color, technic.receiver)
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minetest.register_craft({
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output = 'spacecannon:cannon_' .. def.color,
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recipe = {
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{'', 'default:steelblock', ''},
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{ def.ingredient, def.ingredient, def.ingredient},
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{'', 'default:steelblock', ''}
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}
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})
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end
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register_spacecannon({
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color = "green",
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name = "Ion cannon",
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desc = "fast, low damage",
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is_th = true,
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range = 1,
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storage_require_mod = 1,
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damage = 5,
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intensity = 1,
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timeout = 8,
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speed = 10,
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penetration = 0,
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ingredient = "default:mese_block"
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})
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register_spacecannon({
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color = "yellow",
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name = "Plasma cannon",
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desc = "medium speed, medium damage",
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is_th = true,
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range = 3,
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storage_require_mod = 3,
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intensity = 2,
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damage = 8,
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timeout = 8,
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speed = 5,
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penetration = 0,
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ingredient = "spacecannon:cannon_green"
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})
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register_spacecannon({
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color = "red",
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name = "Nova cannon",
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desc = "slow, heavy damage",
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is_th = true,
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range = 5,
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storage_require_mod = 5,
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intensity = 4,
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damage = 10,
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timeout = 15,
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speed = 3,
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penetration = 0,
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ingredient = "spacecannon:cannon_yellow"
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})
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-- Railguns
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-- Regular railgun
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register_spacecannon({
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color = "blue",
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name = "Railgun cannon",
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desc = "fast, 2x penetrating damage",
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textures = {
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"railgun_blank.png" .. cable_entry,
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"railgun_front.png",
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"railgun_blank.png" .. cable_entry,
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"railgun_blank.png" .. cable_entry,
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"railgun_top_bottom.png",
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"railgun_top_bottom.png",
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},
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is_th = false,
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range = 0,
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storage_require_mod = 1,
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intensity = 2,
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damage = 6,
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timeout = 10,
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speed = 9,
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penetration = 2,
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ingredient = "technic:copper_coil"
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})
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-- Helical railgun
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register_spacecannon({
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color = "purple",
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name = "Helical railgun cannon",
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desc = "fast, 4x penetrating damage",
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textures = {
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"railgun_blank.png" .. cable_entry,
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"helical_railgun_front.png",
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"railgun_blank.png" .. cable_entry,
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"railgun_blank.png" .. cable_entry,
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"helical_railgun_top_bottom.png",
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"helical_railgun_top_bottom.png",
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},
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is_th = false,
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range = 0,
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storage_require_mod = 1.5,
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intensity = 4,
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damage = 6,
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timeout = 15,
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speed = 10,
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penetration = 4,
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ingredient = "spacecannon:cannon_blue"
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})
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