6 local function is_water(pos)
7 local nn = minetest.get_node(pos).name
8 return minetest.get_item_group(nn, "water") ~= 0
11 local function get_sign(i)
15 return i / math.abs(i)
19 local function get_velocity(v, yaw, y)
20 local x = -math.sin(yaw) * v
21 local z = math.cos(yaw) * v
22 return {x = x, y = y, z = z}
25 local function get_v(v)
26 return math.sqrt(v.x ^ 2 + v.z ^ 2)
35 collisionbox = {-0.5, -0.4, -0.5, 0.5, 0.3, 0.5},
38 textures = {"default_wood.png"},
46 function boat.on_rightclick(self, clicker)
47 if not clicker or not clicker:is_player() then
50 local name = clicker:get_player_name()
51 if self.driver and clicker == self.driver then
54 default.player_attached[name] = false
55 default.player_set_animation(clicker, "stand" , 30)
56 elseif not self.driver then
58 clicker:set_attach(self.object, "", {x = 0, y = 11, z = -3}, {x = 0, y = 0, z = 0})
59 default.player_attached[name] = true
60 minetest.after(0.2, function()
61 default.player_set_animation(clicker, "sit" , 30)
63 self.object:setyaw(clicker:get_look_yaw() - math.pi / 2)
67 function boat.on_activate(self, staticdata, dtime_s)
68 self.object:set_armor_groups({immortal = 1})
70 self.v = tonumber(staticdata)
75 function boat.get_staticdata(self)
76 return tostring(self.v)
79 function boat.on_punch(self, puncher, time_from_last_punch, tool_capabilities, direction)
80 if not puncher or not puncher:is_player() or self.removed then
83 if self.driver and puncher == self.driver then
86 default.player_attached[puncher:get_player_name()] = false
88 if not self.driver then
90 -- delay remove to ensure player is detached
91 minetest.after(0.1, function()
94 if not minetest.setting_getbool("creative_mode") then
95 puncher:get_inventory():add_item("main", "boats:boat")
100 function boat.on_step(self, dtime)
101 self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
103 local ctrl = self.driver:get_player_control()
104 local yaw = self.object:getyaw()
106 self.v = self.v + 0.1
107 elseif ctrl.down then
108 self.v = self.v - 0.1
112 self.object:setyaw(yaw - (1 + dtime) * 0.03)
114 self.object:setyaw(yaw + (1 + dtime) * 0.03)
116 elseif ctrl.right then
118 self.object:setyaw(yaw + (1 + dtime) * 0.03)
120 self.object:setyaw(yaw - (1 + dtime) * 0.03)
124 local velo = self.object:getvelocity()
125 if self.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then
126 self.object:setpos(self.object:getpos())
129 local s = get_sign(self.v)
130 self.v = self.v - 0.02 * s
131 if s ~= get_sign(self.v) then
132 self.object:setvelocity({x = 0, y = 0, z = 0})
136 if math.abs(self.v) > 4.5 then
137 self.v = 4.5 * get_sign(self.v)
140 local p = self.object:getpos()
142 local new_velo = {x = 0, y = 0, z = 0}
143 local new_acce = {x = 0, y = 0, z = 0}
144 if not is_water(p) then
145 local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
146 if (not nodedef) or nodedef.walkable then
148 new_acce = {x = 0, y = 1, z = 0}
150 new_acce = {x = 0, y = -9.8, z = 0}
152 new_velo = get_velocity(self.v, self.object:getyaw(), self.object:getvelocity().y)
153 self.object:setpos(self.object:getpos())
157 local y = self.object:getvelocity().y
161 new_acce = {x = 0, y = 20, z = 0}
163 new_acce = {x = 0, y = 5, z = 0}
165 new_velo = get_velocity(self.v, self.object:getyaw(), y)
166 self.object:setpos(self.object:getpos())
168 new_acce = {x = 0, y = 0, z = 0}
169 if math.abs(self.object:getvelocity().y) < 1 then
170 local pos = self.object:getpos()
171 pos.y = math.floor(pos.y) + 0.5
172 self.object:setpos(pos)
173 new_velo = get_velocity(self.v, self.object:getyaw(), 0)
175 new_velo = get_velocity(self.v, self.object:getyaw(), self.object:getvelocity().y)
176 self.object:setpos(self.object:getpos())
180 self.object:setvelocity(new_velo)
181 self.object:setacceleration(new_acce)
184 minetest.register_entity("boats:boat", boat)
186 minetest.register_craftitem("boats:boat", {
187 description = "Boat",
188 inventory_image = "boat_inventory.png",
189 wield_image = "boat_wield.png",
190 wield_scale = {x = 2, y = 2, z = 1},
191 liquids_pointable = true,
193 on_place = function(itemstack, placer, pointed_thing)
194 if pointed_thing.type ~= "node" then
197 if not is_water(pointed_thing.under) then
200 pointed_thing.under.y = pointed_thing.under.y + 0.5
201 minetest.add_entity(pointed_thing.under, "boats:boat")
202 if not minetest.setting_getbool("creative_mode") then
203 itemstack:take_item()
209 minetest.register_craft({
210 output = "boats:boat",
213 {"group:wood", "", "group:wood"},
214 {"group:wood", "group:wood", "group:wood"},