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mirror of https://github.com/SmallJoker/boost_cart.git synced 2024-12-25 10:20:19 +01:00

Allow switching with keys

This commit is contained in:
SmallJoker 2014-08-09 17:37:02 +02:00
parent 70f07f4158
commit 59b1512cc3
13 changed files with 69 additions and 58 deletions

View File

@ -20,4 +20,4 @@ kddekadenz:
Zeg9:
cart.x
cart.png
cart.png

View File

@ -19,10 +19,45 @@ function boost_cart:is_rail(pos)
return minetest.get_item_group(node, "rail") ~= 0
end
function boost_cart:get_rail_direction(pos_, dir_)
function boost_cart:get_rail_direction(pos_, dir_, ctrl, old_switch)
local pos = vector.round(pos_)
local dir = vector.new(dir_)
local cur = nil
local left_check, right_check = true, true
old_switch = old_switch or 0
-- Check left and right
local left = {x=0, y=0, z=0}
local right = {x=0, y=0, z=0}
if dir.z ~= 0 and dir.x == 0 then
left.x = -dir.z
right.x = dir.z
elseif dir.x ~= 0 and dir.z == 0 then
left.z = dir.x
right.z = -dir.x
end
if ctrl then
if old_switch == 1 then
left_check = false
elseif old_switch == 2 then
right_check = false
end
if ctrl.left and left_check then
cur = vector.add(pos, left)
if boost_cart:is_rail(cur) then
return left, 1
end
left_check = false
end
if ctrl.right and right_check then
cur = vector.add(pos, right)
if boost_cart:is_rail(cur) then
return right, 2
end
right_check = true
end
end
-- Front
dir.y = 0
@ -45,58 +80,20 @@ function boost_cart:get_rail_direction(pos_, dir_)
return dir
end
-- Left, right
dir.y = 0
-- Check left and right
local view, opposite, val
if dir.x == 0 and dir.z ~= 0 then
view = "z"
other = "x"
if dir.z < 0 then
val = {1, -1}
else
val = {-1, 1}
-- Left, if not already checked
if left_check then
cur = vector.add(pos, left)
if boost_cart:is_rail(cur) then
return left
end
elseif dir.z == 0 and dir.x ~= 0 then
view = "x"
other = "z"
if dir.x > 0 then
val = {1, -1}
else
val = {-1, 1}
end
-- Right, if not already checked
if right_check then
cur = vector.add(pos, right)
if boost_cart:is_rail(cur) then
return right
end
else
return {x=0, y=0, z=0}
end
dir[view] = 0
dir[other] = val[1]
cur = vector.add(pos, dir)
if boost_cart:is_rail(cur) then
return dir
end
-- Down
dir.y = -1
cur = vector.add(pos, dir)
if boost_cart:is_rail(cur) then
return dir
end
dir.y = 0
dir[other] = val[2]
cur = vector.add(pos, dir)
if boost_cart:is_rail(cur) then
return dir
end
-- Down
dir.y = -1
cur = vector.add(pos, dir)
if boost_cart:is_rail(cur) then
return dir
end
return {x=0, y=0, z=0}

View File

@ -29,7 +29,8 @@ boost_cart.cart = {
punch = false, -- used to re-send velocity and position
velocity = {x=0, y=0, z=0}, -- only used on punch
old_dir = {x=0, y=0, z=0},
old_pos = nil
old_pos = nil,
old_switch = nil
}
function boost_cart.cart:on_rightclick(clicker)
@ -42,7 +43,7 @@ function boost_cart.cart:on_rightclick(clicker)
clicker:set_detach()
elseif not self.driver then
self.driver = player_name
clicker:set_attach(self.object, "", {x=0, y=5, z=0}, {x=0, y=0, z=0})
clicker:set_attach(self.object, "", {x=0,y=0.5,z=0}, {x=0,y=0,z=0})
end
end
@ -57,6 +58,7 @@ function boost_cart.cart:on_punch(puncher, time_from_last_punch, tool_capabiliti
if puncher:get_player_control().sneak then
if self.driver then
default.player_attached[self.driver] = nil
local player = minetest.get_player_by_name(self.driver)
if player then
player:set_detach()
@ -111,7 +113,7 @@ function boost_cart.cart:on_step(dtime)
return
end
local dir = false
local dir, last_switch = nil, nil
local pos = self.object:getpos()
if self.old_pos and not self.punch then
local flo_pos = vector.floor(pos)
@ -120,12 +122,19 @@ function boost_cart.cart:on_step(dtime)
return
end
end
local ctrl = nil
if self.driver then
local player = minetest.get_player_by_name(self.driver)
if player then
ctrl = player:get_player_control()
end
end
if self.old_pos then
local diff = vector.subtract(self.old_pos, pos)
for _,v in ipairs({"x","y","z"}) do
if math.abs(diff[v]) > 1.2 then
local expected_pos = vector.add(self.old_pos, self.old_dir)
dir = boost_cart:get_rail_direction(pos, self.old_dir)
dir, last_switch = boost_cart:get_rail_direction(pos, self.old_dir, ctrl, self.old_switch)
if vector.equals(dir, {x=0, y=0, z=0}) then
dir = false
pos = vector.new(expected_pos)
@ -154,7 +163,7 @@ function boost_cart.cart:on_step(dtime)
local max_vel = boost_cart.speed_max
if not dir then
dir = boost_cart:get_rail_direction(pos, cart_dir)
dir, last_switch = boost_cart:get_rail_direction(pos, cart_dir, ctrl, self.old_switch)
end
if vector.equals(dir, {x=0, y=0, z=0}) then
vel = {x=0, y=0, z=0}
@ -194,9 +203,13 @@ function boost_cart.cart:on_step(dtime)
end
end
end
acc = acc + (speed_mod * 7)
acc = acc + (speed_mod * 8)
else
acc = acc - 0.4
-- Handbrake
if ctrl and ctrl.down then
acc = acc - 0.8
end
end
local new_acc = {
@ -210,6 +223,7 @@ function boost_cart.cart:on_step(dtime)
self.old_pos = vector.new(pos)
self.old_dir = vector.new(dir)
self.old_switch = last_switch
-- Limits
for _,v in ipairs({"x","y","z"}) do

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