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Add spaces around operators in boat mod code, fix a problem with boat…

… staticdata, fix a crash that can occur with boat going over unknown nodes.
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Ekdohibs committed Jul 9, 2014
1 parent 955f3cf commit c993e14084553f01b4f5538a72f2bb2388be9b11
Showing with 37 additions and 36 deletions.
  1. +37 −36 mods/boats/init.lua
@@ -12,18 +12,18 @@ local function get_sign(i)
if i == 0 then
return 0
else
return i/math.abs(i)
return i / math.abs(i)
end
end

local function get_velocity(v, yaw, y)
local x = -math.sin(yaw)*v
local z = math.cos(yaw)*v
return {x=x, y=y, z=z}
local x = -math.sin(yaw) * v
local z = math.cos(yaw) * v
return {x = x, y = y, z = z}
end

local function get_v(v)
return math.sqrt(v.x^2+v.z^2)
return math.sqrt(v.x ^ 2 + v.z ^ 2)
end

--
@@ -32,7 +32,7 @@ end

local boat = {
physical = true,
collisionbox = {-0.6,-0.4,-0.6, 0.6,0.3,0.6},
collisionbox = {-0.6, -0.4, -0.6, 0.6, 0.3, 0.6},
visual = "mesh",
mesh = "boat.x",
textures = {"default_wood.png"},
@@ -55,25 +55,25 @@ function boat.on_rightclick(self, clicker)
default.player_set_animation(clicker, "stand" , 30)
elseif not self.driver then
self.driver = clicker
clicker:set_attach(self.object, "", {x=0,y=11,z=-3}, {x=0,y=0,z=0})
clicker:set_attach(self.object, "", {x = 0, y = 11, z = -3}, {x = 0, y = 0, z = 0})
default.player_attached[name] = true
minetest.after(0.2, function()
default.player_set_animation(clicker, "sit" , 30)
end)
self.object:setyaw(clicker:get_look_yaw()-math.pi/2)
self.object:setyaw(clicker:get_look_yaw() - math.pi / 2)
end
end

function boat.on_activate(self, staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
self.object:set_armor_groups({immortal = 1})
if staticdata then
self.v = tonumber(staticdata)
end
self.last_v = self.v
end

function boat.get_staticdata()
return tostring(v)
function boat.get_staticdata(self)
return tostring(self.v)
end

function boat.on_punch(self, puncher, time_from_last_punch, tool_capabilities, direction)
@@ -85,7 +85,7 @@ function boat.on_punch(self, puncher, time_from_last_punch, tool_capabilities, d

self.removed = true
-- delay remove to ensure player is detached
minetest.after(0.1,function()
minetest.after(0.1, function()
self.object:remove()
end)
if not minetest.setting_getbool("creative_mode") then
@@ -94,28 +94,28 @@ function boat.on_punch(self, puncher, time_from_last_punch, tool_capabilities, d
end

function boat.on_step(self, dtime)
self.v = get_v(self.object:getvelocity())*get_sign(self.v)
self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
if self.driver then
local ctrl = self.driver:get_player_control()
local yaw = self.object:getyaw()
if ctrl.up then
self.v = self.v+0.1
self.v = self.v + 0.1
end
if ctrl.down then
self.v = self.v-0.08
self.v = self.v - 0.08
end
if ctrl.left then
if ctrl.down then
self.object:setyaw(yaw-math.pi/120-dtime*math.pi/120)
self.object:setyaw(yaw - math.pi / 120 - dtime * math.pi / 120)
else
self.object:setyaw(yaw+math.pi/120+dtime*math.pi/120)
self.object:setyaw(yaw + math.pi / 120 + dtime * math.pi / 120)
end
end
if ctrl.right then
if ctrl.down then
self.object:setyaw(yaw+math.pi/120+dtime*math.pi/120)
self.object:setyaw(yaw + math.pi / 120 + dtime * math.pi / 120)
else
self.object:setyaw(yaw-math.pi/120-dtime*math.pi/120)
self.object:setyaw(yaw - math.pi / 120 - dtime*math.pi/120)
end
end
end
@@ -124,43 +124,44 @@ function boat.on_step(self, dtime)
return
end
local s = get_sign(self.v)
self.v = self.v - 0.02*s
self.v = self.v - 0.02 * s
if s ~= get_sign(self.v) then
self.object:setvelocity({x=0, y=0, z=0})
self.object:setvelocity({x = 0, y = 0, z = 0})
self.v = 0
return
end
if math.abs(self.v) > 4.5 then
self.v = 4.5*get_sign(self.v)
self.v = 4.5 * get_sign(self.v)
end

local p = self.object:getpos()
p.y = p.y-0.5
local new_velo = {x=0,y=0,z=0}
local new_acce = {x=0,y=0,z=0}
p.y = p.y - 0.5
local new_velo = {x = 0, y = 0, z = 0}
local new_acce = {x = 0, y = 0, z = 0}
if not is_water(p) then
if minetest.registered_nodes[minetest.env:get_node(p).name].walkable then
local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
if (not nodedef) or nodedef.walkable then
self.v = 0
end
new_acce = {x=0, y=-10, z=0}
new_acce = {x = 0, y = -10, z = 0}
new_velo = get_velocity(self.v, self.object:getyaw(), self.object:getvelocity().y)
else
p.y = p.y+1
p.y = p.y + 1
if is_water(p) then
new_acce = {x=0, y=3, z=0}
new_acce = {x = 0, y = 3, z = 0}
local y = self.object:getvelocity().y
if y > 2 then
y = 2
end
if y < 0 then
self.object:setacceleration({x=0, y=10, z=0})
self.object:setacceleration({x = 0, y = 10, z = 0})
end
new_velo = get_velocity(self.v, self.object:getyaw(), y)
else
new_acce = {x=0, y=0, z=0}
new_acce = {x = 0, y = 0, z = 0}
if math.abs(self.object:getvelocity().y) < 1 then
local pos = self.object:getpos()
pos.y = math.floor(pos.y)+0.5
pos.y = math.floor(pos.y) + 0.5
self.object:setpos(pos)
new_velo = get_velocity(self.v, self.object:getyaw(), 0)
else
@@ -179,7 +180,7 @@ minetest.register_craftitem("boats:boat", {
description = "Boat",
inventory_image = "boat_inventory.png",
wield_image = "boat_wield.png",
wield_scale = {x=2, y=2, z=1},
wield_scale = {x = 2, y = 2, z = 1},
liquids_pointable = true,

on_place = function(itemstack, placer, pointed_thing)
@@ -189,7 +190,7 @@ minetest.register_craftitem("boats:boat", {
if not is_water(pointed_thing.under) then
return
end
pointed_thing.under.y = pointed_thing.under.y+0.5
pointed_thing.under.y = pointed_thing.under.y + 0.5
minetest.add_entity(pointed_thing.under, "boats:boat")
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
@@ -201,8 +202,8 @@ minetest.register_craftitem("boats:boat", {
minetest.register_craft({
output = "boats:boat",
recipe = {
{"", "", ""},
{"group:wood", "", "group:wood"},
{"", "", "" },
{"group:wood", "", "group:wood"},
{"group:wood", "group:wood", "group:wood"},
},
})

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