diff options
Diffstat (limited to 'boost_cart/cart_entity.lua')
| -rw-r--r-- | boost_cart/cart_entity.lua | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/boost_cart/cart_entity.lua b/boost_cart/cart_entity.lua deleted file mode 100644 index 69f45fb..0000000 --- a/boost_cart/cart_entity.lua +++ /dev/null @@ -1,419 +0,0 @@ - -local HAVE_MESECONS_ENABLED = minetest.global_exists("mesecon") - -function boost_cart:on_rail_step(entity, pos, distance) - -- Play rail sound - if entity.sound_counter <= 0 then - minetest.sound_play("cart_rail", { - pos = pos, - max_hear_distance = 40, - gain = 0.5 - }) - entity.sound_counter = math.random(4, 15) - end - entity.sound_counter = entity.sound_counter - distance - - if HAVE_MESECONS_ENABLED then - boost_cart:signal_detector_rail(pos) - end -end - -local cart_entity = { - physical = false, - collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5}, - visual = "mesh", - mesh = "cart.x", - visual_size = {x=1, y=1}, - textures = {"cart.png"}, - - driver = nil, - punched = false, -- used to re-send velocity and position - velocity = {x=0, y=0, z=0}, -- only used on punch - old_dir = {x=1, y=0, z=0}, -- random value to start the cart on punch - old_pos = nil, - old_switch = 0, - sound_counter = 0, - railtype = nil, - attached_items = {} -} - --- Model and textures -if boost_cart.mtg_compat then - cart_entity.mesh = "carts_cart.b3d" - cart_entity.textures = {"carts_cart.png"} -end - -function cart_entity:on_rightclick(clicker) - if not clicker or not clicker:is_player() then - return - end - local player_name = clicker:get_player_name() - if self.driver and player_name == self.driver then - self.driver = nil - boost_cart:manage_attachment(clicker, nil) - elseif not self.driver then - self.driver = player_name - boost_cart:manage_attachment(clicker, self.object) - end -end - -function cart_entity:on_activate(staticdata, dtime_s) - self.object:set_armor_groups({immortal=1}) - self.sound_counter = math.random(4, 15) - - if string.sub(staticdata, 1, string.len("return")) ~= "return" then - return - end - local data = minetest.deserialize(staticdata) - if type(data) ~= "table" then - return - end - self.railtype = data.railtype - if data.old_dir then - self.old_dir = data.old_dir - end -end - -function cart_entity:get_staticdata() - return minetest.serialize({ - railtype = self.railtype, - old_dir = self.old_dir - }) -end - -function cart_entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction) - local pos = self.object:get_pos() - local vel = self.object:get_velocity() - if not self.railtype or vector.equals(vel, {x=0, y=0, z=0}) then - local node = minetest.get_node(pos).name - self.railtype = minetest.get_item_group(node, "connect_to_raillike") - end - - if not puncher or not puncher:is_player() then - local cart_dir = boost_cart:get_rail_direction(pos, self.old_dir, nil, nil, self.railtype) - if vector.equals(cart_dir, {x=0, y=0, z=0}) then - return - end - self.velocity = vector.multiply(cart_dir, 3) - self.punched = true - return - end - - if puncher:get_player_control().sneak then - -- Pick up cart: Drop all attachments - if self.driver then - if self.old_pos then - self.object:set_pos(self.old_pos) - end - local player = minetest.get_player_by_name(self.driver) - boost_cart:manage_attachment(player, nil) - end - for _, obj_ in pairs(self.attached_items) do - if obj_ then - obj_:set_detach() - end - end - - local leftover = puncher:get_inventory():add_item("main", "carts:cart") - if not leftover:is_empty() then - minetest.add_item(pos, leftover) - end - - self.object:remove() - return - end - - -- Driver punches to accelerate the cart - if puncher:get_player_name() == self.driver then - if math.abs(vel.x + vel.z) > boost_cart.punch_speed_max then - return - end - end - - local punch_dir = boost_cart:velocity_to_dir(puncher:get_look_dir()) - punch_dir.y = 0 - local cart_dir = boost_cart:get_rail_direction(pos, punch_dir, nil, nil, self.railtype) - if vector.equals(cart_dir, {x=0, y=0, z=0}) then - return - end - - local punch_interval = 1 - if tool_capabilities and tool_capabilities.full_punch_interval then - punch_interval = tool_capabilities.full_punch_interval - end - time_from_last_punch = math.min(time_from_last_punch or punch_interval, punch_interval) - local f = 3 * (time_from_last_punch / punch_interval) - - self.velocity = vector.multiply(cart_dir, f) - self.old_dir = cart_dir - self.punched = true -end - -local v3_len = vector.length -function cart_entity:on_step(dtime) - local vel = self.object:get_velocity() - if self.punched then - vel = vector.add(vel, self.velocity) - self.object:set_velocity(vel) - self.old_dir.y = 0 - elseif vector.equals(vel, {x=0, y=0, z=0}) then - return - end - - local pos = self.object:get_pos() - local cart_dir = boost_cart:velocity_to_dir(vel) - local same_dir = vector.equals(cart_dir, self.old_dir) - local update = {} - - if self.old_pos and not self.punched and same_dir then - local flo_pos = vector.round(pos) - local flo_old = vector.round(self.old_pos) - if vector.equals(flo_pos, flo_old) then - -- Do not check one node multiple times - return - end - end - - local ctrl, player - local distance = 1 - - -- Get player controls - if self.driver then - player = minetest.get_player_by_name(self.driver) - if player then - ctrl = player:get_player_control() - end - end - - local stop_wiggle = false - if self.old_pos and same_dir then - -- Detection for "skipping" nodes (perhaps use average dtime?) - -- It's sophisticated enough to take the acceleration in account - local acc = self.object:get_acceleration() - distance = dtime * (v3_len(vel) + 0.5 * dtime * v3_len(acc)) - - local new_pos, new_dir = boost_cart:pathfinder( - pos, self.old_pos, self.old_dir, distance, ctrl, - self.old_switch, self.railtype - ) - - if new_pos then - -- No rail found: set to the expected position - pos = new_pos - update.pos = true - cart_dir = new_dir - end - elseif self.old_pos and cart_dir.y ~= -1 and not self.punched then - -- Stop wiggle - stop_wiggle = true - end - - -- dir: New moving direction of the cart - -- switch_keys: Currently pressed L(1) or R(2) key, - -- used to ignore the key on the next rail node - local dir, switch_keys = boost_cart:get_rail_direction( - pos, cart_dir, ctrl, self.old_switch, self.railtype - ) - - local new_acc = {x=0, y=0, z=0} - if stop_wiggle or vector.equals(dir, {x=0, y=0, z=0}) then - vel = {x=0, y=0, z=0} - local pos_r = vector.round(pos) - if not boost_cart:is_rail(pos_r, self.railtype) then - pos = self.old_pos - elseif not stop_wiggle then - pos = pos_r - else - pos.y = math.floor(pos.y + 0.5) - end - update.pos = true - update.vel = true - else - -- Direction change detected - if not vector.equals(dir, self.old_dir) then - vel = vector.multiply(dir, v3_len(vel)) - update.vel = true - if dir.y ~= self.old_dir.y then - pos = vector.round(pos) - update.pos = true - end - end - -- Center on the rail - if dir.z ~= 0 and math.floor(pos.x + 0.5) ~= pos.x then - pos.x = math.floor(pos.x + 0.5) - update.pos = true - end - if dir.x ~= 0 and math.floor(pos.z + 0.5) ~= pos.z then - pos.z = math.floor(pos.z + 0.5) - update.pos = true - end - - -- Calculate current cart acceleration - local acc = nil - - local acc_meta = minetest.get_meta(pos):get_string("cart_acceleration") - if acc_meta == "halt" and not self.punched then - -- Stop rail - vel = {x=0, y=0, z=0} - acc = false - pos = vector.round(pos) - update.pos = true - update.vel = true - end - if acc == nil then - -- Meta speed modifier - local speed_mod = tonumber(acc_meta) - if speed_mod and speed_mod ~= 0 then - -- Try to make it similar to the original carts mod - acc = speed_mod * 10 - end - end - if acc == nil and boost_cart.mtg_compat then - -- MTG Cart API adaption - local rail_node = minetest.get_node(vector.round(pos)) - local railparam = carts.railparams[rail_node.name] - if railparam and railparam.acceleration then - acc = railparam.acceleration - end - end - if acc == nil then - -- Handbrake - if ctrl and ctrl.down then - acc = -2 - else - acc = -0.4 - end - end - - if acc then - -- Slow down or speed up, depending on Y direction - acc = acc + dir.y * -2 - else - acc = 0 - end - - new_acc = vector.multiply(dir, acc) - end - - -- Limits - local max_vel = boost_cart.speed_max - for _,v in pairs({"x","y","z"}) do - if math.abs(vel[v]) > max_vel then - vel[v] = boost_cart:get_sign(vel[v]) * max_vel - new_acc[v] = 0 - update.vel = true - end - end - - self.object:set_acceleration(new_acc) - self.old_pos = vector.round(pos) - local old_y_dir = self.old_dir.y - if not vector.equals(dir, {x=0, y=0, z=0}) and not stop_wiggle then - self.old_dir = dir - end - self.old_switch = switch_keys - - boost_cart:on_rail_step(self, self.old_pos, distance) - - if self.punched then - -- Collect dropped items - for _, obj_ in pairs(minetest.get_objects_inside_radius(pos, 1)) do - if not obj_:is_player() and - obj_:get_luaentity() and - not obj_:get_luaentity().physical_state and - obj_:get_luaentity().name == "__builtin:item" then - - obj_:set_attach(self.object, "", {x=0, y=0, z=0}, {x=0, y=0, z=0}) - self.attached_items[#self.attached_items + 1] = obj_ - end - end - self.punched = false - update.vel = true - end - - if not (update.vel or update.pos) then - return - end - - local yaw = 0 - if self.old_dir.x < 0 then - yaw = 0.5 - elseif self.old_dir.x > 0 then - yaw = 1.5 - elseif self.old_dir.z < 0 then - yaw = 1 - end - self.object:set_yaw(yaw * math.pi) - - local anim = {x=0, y=0} - if dir.y == -1 then - anim = {x=1, y=1} - elseif dir.y == 1 then - anim = {x=2, y=2} - end - self.object:set_animation(anim, 1, 0) - if player and dir.y ~= old_y_dir then - local feet = {x=0, y=0, z=0} - local eye = {x=0, y=-4, z=0} - feet.y = boost_cart.old_player_model and 6 or -4.2 - if dir.y ~= 0 then - -- TODO: Find a better way to calculate this - if boost_cart.old_player_model then - feet.y = 6 + 1.5 - feet.z = -dir.y * 7 - else - feet.y = -4.2 + 3 - feet.z = -dir.y - end - eye.z = -dir.y * 10 - end - player:set_attach(self.object, "", feet, - {x=dir.y * -45, y=0, z=0}) - player:set_eye_offset(eye, eye) - end - - self.object:set_velocity(vel) - if update.pos then - self.object:set_pos(pos) - end -end - -minetest.register_entity(":carts:cart", cart_entity) - --- Register item to place the entity -if not boost_cart.mtg_compat then - minetest.register_craftitem(":carts:cart", { - description = "Cart (Sneak+Click to pick up)", - inventory_image = minetest.inventorycube( - "cart_top.png", - "cart_side.png", - "cart_side.png" - ), - wield_image = "cart_side.png", - on_place = function(itemstack, placer, pointed_thing) - if not pointed_thing.type == "node" then - return - end - if boost_cart:is_rail(pointed_thing.under) then - minetest.add_entity(pointed_thing.under, "carts:cart") - elseif boost_cart:is_rail(pointed_thing.above) then - minetest.add_entity(pointed_thing.above, "carts:cart") - else - return - end - - if not minetest.settings:get_bool("creative_mode") then - itemstack:take_item() - end - return itemstack - end, - }) - - minetest.register_craft({ - output = "carts:cart", - recipe = { - {"default:steel_ingot", "", "default:steel_ingot"}, - {"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"}, - }, - }) -end |