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Add mesecon support

master
PilzAdam 2012-12-07 20:19:52 +01:00
parent 06ba2bfff4
commit bf12031f77
1 changed files with 69 additions and 10 deletions
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79
init.lua
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@ -267,25 +267,30 @@ function cart:on_step(dtime)
self.object:setpos(pos)
dir = cart_func:velocity_to_dir(self.velocity)
-- Accelerate or decelerate the cart according to the pitch
-- Accelerate or decelerate the cart according to the pitch and acceleration of the rail node
local a = tonumber(minetest.env:get_meta(pos):get_string("cart_acceleration"))
if not a then
a = 0
end
if self.velocity.y < 0 then
self.velocity = {
x = self.velocity.x + 0.13*cart_func:get_sign(self.velocity.x),
y = self.velocity.y + 0.13*cart_func:get_sign(self.velocity.y),
z = self.velocity.z + 0.13*cart_func:get_sign(self.velocity.z),
x = self.velocity.x + (a+0.13)*cart_func:get_sign(self.velocity.x),
y = self.velocity.y + (a+0.13)*cart_func:get_sign(self.velocity.y),
z = self.velocity.z + (a+0.13)*cart_func:get_sign(self.velocity.z),
}
elseif self.velocity.y > 0 then
self.velocity = {
x = self.velocity.x - 0.1*cart_func:get_sign(self.velocity.x),
y = self.velocity.y - 0.1*cart_func:get_sign(self.velocity.y),
z = self.velocity.z - 0.1*cart_func:get_sign(self.velocity.z),
x = self.velocity.x + (a-0.1)*cart_func:get_sign(self.velocity.x),
y = self.velocity.y + (a-0.1)*cart_func:get_sign(self.velocity.y),
z = self.velocity.z + (a-0.1)*cart_func:get_sign(self.velocity.z),
}
else
self.velocity = {
x = self.velocity.x - 0.03*cart_func:get_sign(self.velocity.x),
y = self.velocity.y - 0.03*cart_func:get_sign(self.velocity.y),
z = self.velocity.z - 0.03*cart_func:get_sign(self.velocity.z),
x = self.velocity.x + (a-0.03)*cart_func:get_sign(self.velocity.x),
y = self.velocity.y + (a-0.03)*cart_func:get_sign(self.velocity.y),
z = self.velocity.z + (a-0.03)*cart_func:get_sign(self.velocity.z),
}
-- Place the cart exactly on top of the rail
if cart_func:is_rail(cart_func.v3:round(pos)) then
self.object:setpos({x=pos.x, y=math.floor(pos.y+0.5), z=pos.z})
@ -384,3 +389,57 @@ minetest.register_craft({
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
},
})
--
-- Mesecon support
--
if minetest.get_modpath("mesecons") then
minetest.after(0, function()
mesecon:register_effector("default:rail", "default:rail")
mesecon:register_on_signal_on(function(pos, node)
if node.name == "default:rail" then
minetest.env:get_meta(pos):set_string("cart_acceleration", "0.5")
-- Start the cart
for _,obj in ipairs(minetest.env:get_objects_inside_radius(pos, 1)) do
if obj:get_luaentity() and obj:get_luaentity().name == "carts:cart" then
local self = obj:get_luaentity()
if cart_func.v3:equal(self.velocity, {x=0, y=0, z=0}) then
for _,y in ipairs({0,-1,1}) do
for _,z in ipairs({1,-1}) do
if cart_func.v3:equal(self:get_rail_direction(obj:getpos(), {x=0, y=y, z=z}), {x=0, y=y, z=z}) then
self.velocity = {
x = 0,
y = 0.2*y,
z = 0.2*z,
}
self.old_velocity = self.velocity
return
end
end
for _,x in ipairs({1,-1}) do
if cart_func.v3:equal(self:get_rail_direction(obj:getpos(), {x=x, y=y, z=0}), {x=x, y=y, z=0}) then
self.velocity = {
x = 0.2*x,
y = 0.2*y,
z = 0,
}
self.old_velocity = self.velocity
return
end
end
end
end
end
end
end
end)
mesecon:register_on_signal_off(function(pos, node)
if node.name == "default:rail" then
minetest.env:get_meta(pos):set_string("cart_acceleration", "0")
end
end)
end)
end