5 local function is_water(pos)
6 local nn = minetest.get_node(pos).name
7 return minetest.get_item_group(nn, "water") ~= 0
11 local function get_sign(i)
15 return i / math.abs(i)
20 local function get_velocity(v, yaw, y)
21 local x = -math.sin(yaw) * v
22 local z = math.cos(yaw) * v
23 return {x = x, y = y, z = z}
27 local function get_v(v)
28 return math.sqrt(v.x ^ 2 + v.z ^ 2)
37 collisionbox = {-0.5, -0.35, -0.5, 0.5, 0.3, 0.5},
39 mesh = "boats_boat.obj",
40 textures = {"default_wood.png"},
49 function boat.on_rightclick(self, clicker)
50 if not clicker or not clicker:is_player() then
53 local name = clicker:get_player_name()
54 if self.driver and clicker == self.driver then
57 default.player_attached[name] = false
58 default.player_set_animation(clicker, "stand" , 30)
59 local pos = clicker:getpos()
60 pos = {x = pos.x, y = pos.y + 0.2, z = pos.z}
61 minetest.after(0.1, function()
64 elseif not self.driver then
65 local attach = clicker:get_attach()
66 if attach and attach:get_luaentity() then
67 local luaentity = attach:get_luaentity()
68 if luaentity.driver then
69 luaentity.driver = nil
74 clicker:set_attach(self.object, "",
75 {x = 0, y = 11, z = -3}, {x = 0, y = 0, z = 0})
76 default.player_attached[name] = true
77 minetest.after(0.2, function()
78 default.player_set_animation(clicker, "sit" , 30)
80 self.object:setyaw(clicker:get_look_yaw() - math.pi / 2)
85 function boat.on_activate(self, staticdata, dtime_s)
86 self.object:set_armor_groups({immortal = 1})
88 self.v = tonumber(staticdata)
94 function boat.get_staticdata(self)
95 return tostring(self.v)
99 function boat.on_punch(self, puncher)
100 if not puncher or not puncher:is_player() or self.removed then
103 if self.driver and puncher == self.driver then
106 default.player_attached[puncher:get_player_name()] = false
108 if not self.driver then
110 -- delay remove to ensure player is detached
111 minetest.after(0.1, function()
114 if not minetest.setting_getbool("creative_mode") then
115 local inv = puncher:get_inventory()
116 if inv:room_for_item("main", "boats:boat") then
117 inv:add_item("main", "boats:boat")
119 minetest.add_item(self.object:getpos(), "boats:boat")
126 function boat.on_step(self, dtime)
127 self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
129 local ctrl = self.driver:get_player_control()
130 local yaw = self.object:getyaw()
132 self.v = self.v + 0.1
133 elseif ctrl.down then
134 self.v = self.v - 0.1
138 self.object:setyaw(yaw - (1 + dtime) * 0.03)
140 self.object:setyaw(yaw + (1 + dtime) * 0.03)
142 elseif ctrl.right then
144 self.object:setyaw(yaw + (1 + dtime) * 0.03)
146 self.object:setyaw(yaw - (1 + dtime) * 0.03)
150 local velo = self.object:getvelocity()
151 if self.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then
152 self.object:setpos(self.object:getpos())
155 local s = get_sign(self.v)
156 self.v = self.v - 0.02 * s
157 if s ~= get_sign(self.v) then
158 self.object:setvelocity({x = 0, y = 0, z = 0})
162 if math.abs(self.v) > 5 then
163 self.v = 5 * get_sign(self.v)
166 local p = self.object:getpos()
168 local new_velo = {x = 0, y = 0, z = 0}
169 local new_acce = {x = 0, y = 0, z = 0}
170 if not is_water(p) then
171 local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
172 if (not nodedef) or nodedef.walkable then
174 new_acce = {x = 0, y = 1, z = 0}
176 new_acce = {x = 0, y = -9.8, z = 0}
178 new_velo = get_velocity(self.v, self.object:getyaw(),
179 self.object:getvelocity().y)
180 self.object:setpos(self.object:getpos())
184 local y = self.object:getvelocity().y
188 new_acce = {x = 0, y = 20, z = 0}
190 new_acce = {x = 0, y = 5, z = 0}
192 new_velo = get_velocity(self.v, self.object:getyaw(), y)
193 self.object:setpos(self.object:getpos())
195 new_acce = {x = 0, y = 0, z = 0}
196 if math.abs(self.object:getvelocity().y) < 1 then
197 local pos = self.object:getpos()
198 pos.y = math.floor(pos.y) + 0.5
199 self.object:setpos(pos)
200 new_velo = get_velocity(self.v, self.object:getyaw(), 0)
202 new_velo = get_velocity(self.v, self.object:getyaw(),
203 self.object:getvelocity().y)
204 self.object:setpos(self.object:getpos())
208 self.object:setvelocity(new_velo)
209 self.object:setacceleration(new_acce)
213 minetest.register_entity("boats:boat", boat)
216 minetest.register_craftitem("boats:boat", {
217 description = "Boat",
218 inventory_image = "boats_inventory.png",
219 wield_image = "boats_wield.png",
220 wield_scale = {x = 2, y = 2, z = 1},
221 liquids_pointable = true,
223 on_place = function(itemstack, placer, pointed_thing)
224 if pointed_thing.type ~= "node" then
227 if not is_water(pointed_thing.under) then
230 pointed_thing.under.y = pointed_thing.under.y + 0.5
231 minetest.add_entity(pointed_thing.under, "boats:boat")
232 if not minetest.setting_getbool("creative_mode") then
233 itemstack:take_item()
240 minetest.register_craft({
241 output = "boats:boat",
244 {"group:wood", "", "group:wood"},
245 {"group:wood", "group:wood", "group:wood"},