Implement TNT minecart
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Wuzzy
parent
74b79d130b
commit
9dc9c12f29
4 changed files with 150 additions and 19 deletions
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@ -8,10 +8,29 @@ mcl_minecarts.check_float_time = 15
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dofile(mcl_minecarts.modpath.."/functions.lua")
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dofile(mcl_minecarts.modpath.."/rails.lua")
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local function activate_tnt_minecart(self)
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if self._boomtimer then
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return
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end
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self.object:set_armor_groups({immortal=1})
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self._boomtimer = tnt.BOOMTIMER
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self.object:set_properties({textures = {
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_minecarts_minecart.png",
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}})
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self._blinktimer = tnt.BLINKTIMER
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minetest.sound_play("tnt_ignite", {pos = self.object:get_pos(), gain = 1.0, max_hear_distance = 15})
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end
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-- Table for item-to-entity mapping. Keys: itemstring, Values: Corresponding entity ID
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local entity_mapping = {}
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local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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local function register_entity(entity_id, mesh, textures, drop, on_rightclick, on_activate_by_rail)
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local cart = {
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physical = false,
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collisionbox = {-10/16., -0.5, -10/16, 10/16, 0.25, 10/16},
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@ -28,6 +47,9 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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_start_pos = nil, -- Used to calculate distance for “On A Rail” achievement
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_last_float_check = nil, -- timestamp of last time the cart was checked to be still on a rail
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_fueltime = nil, -- how many seconds worth of fuel is left. Only used by minecart with furnace
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_boomtimer = nil, -- how many seconds are left before exploding
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_blinktimer = nil, -- how many seconds are left before TNT blinking
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_blink = false, -- is TNT blink texture active?
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_old_dir = {x=0, y=0, z=0},
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_old_pos = nil,
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_old_vel = {x=0, y=0, z=0},
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@ -36,11 +58,21 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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}
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function cart:on_activate(staticdata, dtime_s)
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-- Initialize
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local data = minetest.deserialize(staticdata)
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if type(data) == "table" then
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self._railtype = data._railtype
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end
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self.object:set_armor_groups({immortal=1})
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-- Activate cart if on activator rail
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if self.on_activate_by_rail then
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local pos = self.object:get_pos()
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local node = minetest.get_node(vector.floor(pos))
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if node.name == "mcl_minecarts:activator_rail_on" then
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self:on_activate_by_rail()
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end
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end
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end
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function cart:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
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@ -61,7 +93,8 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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return
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end
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if puncher:get_player_control().sneak then
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-- Punch+sneak: Pick up minecart (unless TNT was ignited)
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if puncher:get_player_control().sneak and not self._boomtimer then
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if self._driver then
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if self._old_pos then
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self.object:set_pos(self._old_pos)
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@ -123,6 +156,8 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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self._punched = true
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end
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cart.on_activate_by_rail = on_activate_by_rail
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function cart:on_step(dtime)
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local vel = self.object:get_velocity()
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local update = {}
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@ -152,8 +187,15 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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end
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end
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-- Explode if already ignited
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if self._boomtimer then
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self.object:remove()
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tnt.boom(pos)
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return
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end
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-- Drop items and remove cart entity
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if not minetest.settings:get_bool("creative_mode") then
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if not minetest.settings:get_bool("creative_mode") then
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for d=1, #drop do
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minetest.add_item(self.object:get_pos(), drop[d])
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end
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@ -165,7 +207,7 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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self._last_float_check = 0
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end
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-- Update furnace texture if out of fuel
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-- Update furnace stuff
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if self._fueltime and self._fueltime > 0 then
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self._fueltime = self._fueltime - dtime
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if self._fueltime <= 0 then
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@ -184,6 +226,50 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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end
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local has_fuel = self._fueltime and self._fueltime > 0
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-- Update TNT stuff
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if self._boomtimer then
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-- Explode
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self._boomtimer = self._boomtimer - dtime
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local pos = self.object:get_pos()
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if self._boomtimer <= 0 then
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self.object:remove()
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tnt.boom(pos)
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return
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else
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tnt.smoke_step(pos)
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end
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end
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if self._blinktimer then
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self._blinktimer = self._blinktimer - dtime
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if self._blinktimer <= 0 then
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self._blink = not self._blink
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if self._blink then
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self.object:set_properties({textures =
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{
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"default_tnt_top.png",
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"default_tnt_bottom.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"default_tnt_side.png",
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"mcl_minecarts_minecart.png",
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}})
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else
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self.object:set_properties({textures =
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{
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_tnt_blink.png",
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"mcl_minecarts_minecart.png",
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}})
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end
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self._blinktimer = tnt.BLINKTIMER
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end
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end
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if self._punched then
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vel = vector.add(vel, self._velocity)
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self.object:set_velocity(vel)
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@ -224,6 +310,10 @@ local function register_entity(entity_id, mesh, textures, drop, on_rightclick)
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minetest.swap_node(rou_old, newnode)
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mesecon.receptor_off(rou_old)
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end
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-- Activate minecart if on activator rail
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if node_old.name == "mcl_minecarts:activator_rail_on" and self.on_activate_by_rail then
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self:on_activate_by_rail()
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end
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end
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local ctrl, player = nil, nil
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@ -483,7 +573,7 @@ Register a minecart
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* creative: If false, don't show in Creative Inventory
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]]
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local function register_minecart(itemstring, entity_id, description, longdesc, usagehelp, mesh, textures, icon, drop, on_rightclick, on_activate_by_rail, creative)
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register_entity(entity_id, mesh, textures, drop, on_rightclick)
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register_entity(entity_id, mesh, textures, drop, on_rightclick, on_activate_by_rail)
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register_craftitem(itemstring, entity_id, description, longdesc, usagehelp, icon, creative)
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if minetest.get_modpath("doc_identifier") ~= nil then
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doc.sub.identifier.register_object(entity_id, "craftitems", itemstring)
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@ -651,8 +741,25 @@ register_minecart(
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},
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"mcl_minecarts_minecart_tnt.png",
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{"mcl_minecarts:minecart", "mcl_tnt:tnt"},
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nil, nil, false
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)
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-- Ingite
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function(self, clicker)
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if not clicker or not clicker:is_player() then
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return
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end
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if self._boomtimer then
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return
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end
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local held = clicker:get_wielded_item()
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if held:get_name() == "mcl_fire:flint_and_steel" then
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if not minetest.settings:get_bool("creative_mode") then
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held:add_wear(65535/65) -- 65 uses
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local index = clicker:get_wielded_index()
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local inv = clicker:get_inventory()
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inv:set_stack("main", index, held)
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end
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activate_tnt_minecart(self)
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end
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end, activate_tnt_minecart, false)
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minetest.register_craft({
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