mtcontrib
/
boost_cart
mirror of https://github.com/SmallJoker/boost_cart.git
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Huge rewrite 

Add sounds
Change Y acceleration to -2.5
Add partwise compatibility for MTG-registered rails
pull/20/head
SmallJoker 3 years ago
parent
74d8b8f931
commit
cf9b82de37
8 changed files with 402 additions and 361 deletions
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  1. +6
    -1
      README.txt
  2. +380
    -0
      cart_entity.lua
  3. +2
    -1
      depends.txt
  4. +11
    -342
      init.lua
  5. +3
    -17
      rails.lua
  6. BIN
      sounds/cart_rail.1.ogg
  7. BIN
      sounds/cart_rail.2.ogg
  8. BIN
      sounds/cart_rail.3.ogg

+ 6
- 1
README.txt View File

@@ -1,6 +1,7 @@
Minetest mod: boost_cart
==========================
Based on (and fully compatible with) the mod "carts" by PilzAdam
Also compatible with the carts mod in the subgame "minetest_game".
Target: Run smoothly as possible even on laggy server


@@ -16,7 +17,7 @@ Target: Run smoothly as possible even on laggy server

License for everything
------------------------
CC-0
CC-0, if not specified otherwise below


Authors
@@ -36,6 +37,10 @@ kddekadenz
cart_side.png
cart_top.png

klankbeeld (CC-BY 3.0)
http://freesound.org/people/klankbeeld/sounds/174042/
cart_rail.*.ogg

numberZero
carts_rail_dtc.png
carts_rail_dtc_on.png


+ 380
- 0
cart_entity.lua View File

@@ -0,0 +1,380 @@

local HAVE_MESECONS_ENABLED = minetest.global_exists("mesecon")

function boost_cart:on_rail_step(pos)
-- Play rail sound
if self.sound_counter <= 0 then
minetest.sound_play("cart_rail", {
pos = pos,
max_hear_distance = 40,
gain = 0.5
})
self.sound_counter = math.random(4, 15)
end
self.sound_counter = self.sound_counter - 1

if HAVE_MESECONS_ENABLED then
boost_cart:signal_detector_rail(pos)
end
end

local cart_entity = {
physical = false,
collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
visual = "mesh",
mesh = "cart.x",
visual_size = {x=1, y=1},
textures = {"cart.png"},

driver = nil,
punched = false, -- used to re-send velocity and position
velocity = {x=0, y=0, z=0}, -- only used on punch
old_dir = {x=1, y=0, z=0}, -- random value to start the cart on punch
old_pos = nil,
old_switch = 0,
sound_counter = 0,
railtype = nil,
attached_items = {}
}

function cart_entity:on_rightclick(clicker)
if not clicker or not clicker:is_player() then
return
end
local player_name = clicker:get_player_name()
if self.driver and player_name == self.driver then
self.driver = nil
boost_cart:manage_attachment(clicker, nil)
elseif not self.driver then
self.driver = player_name
boost_cart:manage_attachment(clicker, self.object)
end
end

function cart_entity:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
self.sound_counter = math.random(4, 15)

if string.sub(staticdata, 1, string.len("return")) ~= "return" then
return
end
local data = minetest.deserialize(staticdata)
if not data or type(data) ~= "table" then
return
end
self.railtype = data.railtype
if data.old_dir then
self.old_dir = data.old_dir
end
end

function cart_entity:get_staticdata()
return minetest.serialize({
railtype = self.railtype,
old_dir = self.old_dir
})
end

function cart_entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
local pos = self.object:getpos()
if not self.railtype then
local node = minetest.get_node(pos).name
self.railtype = minetest.get_item_group(node, "connect_to_raillike")
end

if not puncher or not puncher:is_player() then
local cart_dir = boost_cart:get_rail_direction(pos, self.old_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end
self.velocity = vector.multiply(cart_dir, 3)
self.punched = true
return
end

if puncher:get_player_control().sneak then
-- Pick up cart: Drop all attachments
if self.driver then
if self.old_pos then
self.object:setpos(self.old_pos)
end
local player = minetest.get_player_by_name(self.driver)
boost_cart:manage_attachment(player, nil)
end
for _, obj_ in pairs(self.attached_items) do
if obj_ then
obj_:set_detach()
end
end

local leftover = puncher:get_inventory():add_item("main", "carts:cart")
if not leftover:is_empty() then
minetest.add_item(self.object:getpos(), leftover)
end
self.object:remove()
return
end

local vel = self.object:getvelocity()
if puncher:get_player_name() == self.driver then
if math.abs(vel.x + vel.z) > boost_cart.punch_speed_max then
return
end
end

local punch_dir = boost_cart:velocity_to_dir(puncher:get_look_dir())
punch_dir.y = 0
local cart_dir = boost_cart:get_rail_direction(pos, punch_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end

local punch_interval = 1
if tool_capabilities and tool_capabilities.full_punch_interval then
punch_interval = tool_capabilities.full_punch_interval
end
time_from_last_punch = math.min(time_from_last_punch or punch_interval, punch_interval)
local f = 3 * (time_from_last_punch / punch_interval)

self.velocity = vector.multiply(cart_dir, f)
self.old_dir = cart_dir
self.punched = true
end

function cart_entity:on_step(dtime)
local vel = self.object:getvelocity()
local update = {}
if self.punched then
vel = vector.add(vel, self.velocity)
self.object:setvelocity(vel)
self.old_dir.y = 0
elseif vector.equals(vel, {x=0, y=0, z=0}) then
return
end

local pos = self.object:getpos()

if self.old_pos and not self.punched then
local flo_pos = vector.round(pos)
local flo_old = vector.round(self.old_pos)
if vector.equals(flo_pos, flo_old) then
-- Do not check one node multiple times
return
end
end

local ctrl, player

-- Get player controls
if self.driver then
player = minetest.get_player_by_name(self.driver)
if player then
ctrl = player:get_player_control()
end
end

if self.old_pos then
-- Detection for "skipping" nodes
local expected_pos = vector.add(self.old_pos, self.old_dir)
local found_path = boost_cart:pathfinder(
pos, expected_pos, self.old_dir, ctrl, self.old_switch, self.railtype
)

if not found_path then
-- No rail found: reset back to the expected position
pos = vector.new(self.old_pos)
update.pos = true
end
end

local cart_dir = boost_cart:velocity_to_dir(vel)

-- dir: New moving direction of the cart
-- switch_keys: Currently pressed L/R key, used to ignore the key on the next rail node
local dir, switch_keys = boost_cart:get_rail_direction(
pos, cart_dir, ctrl, self.old_switch, self.railtype
)

local new_acc = {x=0, y=0, z=0}
if vector.equals(dir, {x=0, y=0, z=0}) then
vel = {x=0, y=0, z=0}
pos = vector.round(pos)
update.pos = true
update.vel = true
else
-- Direction change detected
if not vector.equals(dir, self.old_dir) then
vel = vector.multiply(dir, math.abs(vel.x + vel.z))
update.vel = true
if dir.y ~= self.old_dir.y then
pos = vector.round(pos)
update.pos = true
end
end
-- Center on the rail
if dir.z ~= 0 and math.floor(pos.x + 0.5) ~= pos.x then
pos.x = math.floor(pos.x + 0.5)
update.pos = true
end
if dir.x ~= 0 and math.floor(pos.z + 0.5) ~= pos.z then
pos.z = math.floor(pos.z + 0.5)
update.pos = true
end

-- Calculate current cart acceleration
local acc = nil

local acc_meta = minetest.get_meta(pos):get_string("cart_acceleration")
if acc_meta == "halt" then
-- Stop rail
vel = {x=0, y=0, z=0}
acc = false
pos = vector.round(pos)
update.pos = true
update.vel = true
mod_found = true
end
if acc == nil then
-- Meta speed modifier
local speed_mod = tonumber(acc_meta)
if speed_mod and speed_mod ~= 0 then
-- Try to make it similar to the original carts mod
acc = speed_mod * 10
end
end
if acc == nil and boost_cart.mtg_compat then
-- MTG Cart API adaption
local rail_node = minetest.get_node(vector.round(pos))
local railparam = carts.railparams[rail_node.name]
if railparam and railparam.acceleration then
acc = railparam.acceleration
end
end
if acc == nil then
-- Handbrake
if ctrl and ctrl.down then
acc = -2
else
acc = -0.4
end
end
-- Slow down or speed up, depending on Y direction
if acc then
acc = acc + dir.y * -2.5
else
acc = 0
end

if self.old_dir.y ~= 1 and not self.punched then
-- Stop the cart swing between two rail parts (handbrake)
if vector.equals(vector.multiply(self.old_dir, -1), dir) then
vel = {x=0, y=0, z=0}
acc = 0
if self.old_pos then
pos = vector.new(self.old_pos)
update.pos = true
end
dir = vector.new(self.old_dir)
update.vel = true
end
end

new_acc = vector.multiply(dir, acc)
end
boost_cart.on_rail_step(self, vector.round(pos))

-- Limits
local max_vel = boost_cart.speed_max
for _,v in pairs({"x","y","z"}) do
if math.abs(vel[v]) > max_vel then
vel[v] = boost_cart:get_sign(vel[v]) * max_vel
new_acc[v] = 0
update.vel = true
end
end

self.object:setacceleration(new_acc)
self.old_pos = pos
if not vector.equals(dir, {x=0, y=0, z=0}) then
self.old_dir = dir
end
self.old_switch = switch_keys


if self.punched then
-- Collect dropped items
for _, obj_ in pairs(minetest.get_objects_inside_radius(pos, 1)) do
if not obj_:is_player() and
obj_:get_luaentity() and
not obj_:get_luaentity().physical_state and
obj_:get_luaentity().name == "__builtin:item" then

obj_:set_attach(self.object, "", {x=0, y=0, z=0}, {x=0, y=0, z=0})
self.attached_items[#self.attached_items + 1] = obj_
end
end
self.punched = false
update.vel = true
end

if not (update.vel or update.pos) then
return
end

local yaw = 0
if self.old_dir.x < 0 then
yaw = 0.5
elseif self.old_dir.x > 0 then
yaw = 1.5
elseif self.old_dir.z < 0 then
yaw = 1
end
self.object:setyaw(yaw * math.pi)

local anim = {x=0, y=0}
if dir.y == -1 then
anim = {x=1, y=1}
elseif dir.y == 1 then
anim = {x=2, y=2}
end
self.object:set_animation(anim, 1, 0)

self.object:setvelocity(vel)
if update.pos then
self.object:setpos(pos)
end
update = nil
end

minetest.register_entity(":carts:cart", cart_entity)
minetest.register_craftitem(":carts:cart", {
description = "Cart (Sneak+Click to pick up)",
inventory_image = minetest.inventorycube("cart_top.png", "cart_side.png", "cart_side.png"),
wield_image = "cart_side.png",
on_place = function(itemstack, placer, pointed_thing)
if not pointed_thing.type == "node" then
return
end
if boost_cart:is_rail(pointed_thing.under) then
minetest.add_entity(pointed_thing.under, "carts:cart")
elseif boost_cart:is_rail(pointed_thing.above) then
minetest.add_entity(pointed_thing.above, "carts:cart")
else
return
end

if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end,
})

minetest.register_craft({
output = "carts:cart",
recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
},
})

+ 2
- 1
depends.txt View File

@@ -1,3 +1,4 @@
default
mesecons?
moreores?
moreores?
carts?

+ 11
- 342
init.lua View File

@@ -13,354 +13,23 @@ if not boost_cart.modpath then
"See also: http://dev.minetest.net/Installing_Mods")
end

dofile(boost_cart.modpath.."/functions.lua")
dofile(boost_cart.modpath.."/rails.lua")

local HAVE_MESECONS_ENABLED = minetest.global_exists("mesecon")
if HAVE_MESECONS_ENABLED then
dofile(boost_cart.modpath.."/detector.lua")
end

-- Support for non-default games
if not default.player_attached then
default.player_attached = {}
end

boost_cart.cart = {
physical = false,
collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
visual = "mesh",
mesh = "cart.x",
visual_size = {x=1, y=1},
textures = {"cart.png"},

driver = nil,
punched = false, -- used to re-send velocity and position
velocity = {x=0, y=0, z=0}, -- only used on punch
old_dir = {x=1, y=0, z=0}, -- random value to start the cart on punch
old_pos = nil,
old_switch = 0,
railtype = nil,
attached_items = {}
}

function boost_cart.cart:on_rightclick(clicker)
if not clicker or not clicker:is_player() then
return
end
local player_name = clicker:get_player_name()
if self.driver and player_name == self.driver then
self.driver = nil
boost_cart:manage_attachment(clicker, nil)
elseif not self.driver then
self.driver = player_name
boost_cart:manage_attachment(clicker, self.object)
end
end

function boost_cart.cart:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
if string.sub(staticdata, 1, string.len("return")) ~= "return" then
return
end
local data = minetest.deserialize(staticdata)
if not data or type(data) ~= "table" then
return
end
self.railtype = data.railtype
if data.old_dir then
self.old_dir = data.old_dir
end
end
dofile(boost_cart.modpath.."/functions.lua")
dofile(boost_cart.modpath.."/rails.lua")

function boost_cart.cart:get_staticdata()
return minetest.serialize({
railtype = self.railtype,
old_dir = self.old_dir
})
if minetest.global_exists("mesecon") then
dofile(boost_cart.modpath.."/detector.lua")
--else
-- minetest.register_alias("carts:powerrail", "boost_cart:detectorrail")
-- minetest.register_alias("carts:powerrail", "boost_cart:detectorrail_on")
end

function boost_cart.cart:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
local pos = self.object:getpos()
if not self.railtype then
local node = minetest.get_node(pos).name
self.railtype = minetest.get_item_group(node, "connect_to_raillike")
end

if not puncher or not puncher:is_player() then
local cart_dir = boost_cart:get_rail_direction(pos, self.old_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end
self.velocity = vector.multiply(cart_dir, 3)
self.punched = true
return
end

if puncher:get_player_control().sneak then
-- Pick up cart: Drop all attachments
if self.driver then
if self.old_pos then
self.object:setpos(self.old_pos)
end
local player = minetest.get_player_by_name(self.driver)
boost_cart:manage_attachment(player, nil)
end
for _,obj_ in ipairs(self.attached_items) do
if obj_ then
obj_:set_detach()
end
end

local leftover = puncher:get_inventory():add_item("main", "carts:cart")
if not leftover:is_empty() then
minetest.add_item(self.object:getpos(), leftover)
end
self.object:remove()
return
end

local vel = self.object:getvelocity()
if puncher:get_player_name() == self.driver then
if math.abs(vel.x + vel.z) > boost_cart.punch_speed_max then
return
end
end

local punch_dir = boost_cart:velocity_to_dir(puncher:get_look_dir())
punch_dir.y = 0
local cart_dir = boost_cart:get_rail_direction(pos, punch_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end

local punch_interval = 1
if tool_capabilities and tool_capabilities.full_punch_interval then
punch_interval = tool_capabilities.full_punch_interval
end
time_from_last_punch = math.min(time_from_last_punch or punch_interval, punch_interval)
local f = 3 * (time_from_last_punch / punch_interval)

self.velocity = vector.multiply(cart_dir, f)
self.old_dir = cart_dir
self.punched = true
boost_cart.mtg_compat = minetest.global_exists("carts") and carts.pathfinder
if boost_cart.mtg_compat then
minetest.log("action", "[boost_cart] Overwriting definitions of similar carts mod")
end

function boost_cart.cart:on_step(dtime)
local vel = self.object:getvelocity()
local update = {}
if self.punched then
vel = vector.add(vel, self.velocity)
self.object:setvelocity(vel)
self.old_dir.y = 0
elseif vector.equals(vel, {x=0, y=0, z=0}) then
return
end

local pos = self.object:getpos()

if self.old_pos and not self.punched then
local flo_pos = vector.round(pos)
local flo_old = vector.round(self.old_pos)
if vector.equals(flo_pos, flo_old) then
-- Do not check one node multiple times
return
end
end

local ctrl, player

-- Get player controls
if self.driver then
player = minetest.get_player_by_name(self.driver)
if player then
ctrl = player:get_player_control()
end
end

if self.old_pos then
-- Detection for "skipping" nodes
local expected_pos = vector.add(self.old_pos, self.old_dir)
local found_path = boost_cart:pathfinder(
pos, expected_pos, self.old_dir, ctrl, self.old_switch, self.railtype
)

if not found_path then
-- No rail found: reset back to the expected position
pos = vector.new(self.old_pos)
update.pos = true
end
end

local cart_dir = boost_cart:velocity_to_dir(vel)

-- dir: New moving direction of the cart
-- switch_keys: Currently pressed L/R key, used to ignore the key on the next rail node
local dir, switch_keys = boost_cart:get_rail_direction(
pos, cart_dir, ctrl, self.old_switch, self.railtype
)

local new_acc = {x=0, y=0, z=0}
if vector.equals(dir, {x=0, y=0, z=0}) then
vel = {x=0, y=0, z=0}
pos = vector.round(pos)
update.pos = true
update.vel = true
else
-- Direction change detected
if not vector.equals(dir, self.old_dir) then
vel = vector.multiply(dir, math.abs(vel.x + vel.z))
update.vel = true
if dir.y ~= self.old_dir.y then
pos = vector.round(pos)
update.pos = true
end
end
-- Center on the rail
if dir.z ~= 0 and math.floor(pos.x + 0.5) ~= pos.x then
pos.x = math.floor(pos.x + 0.5)
update.pos = true
end
if dir.x ~= 0 and math.floor(pos.z + 0.5) ~= pos.z then
pos.z = math.floor(pos.z + 0.5)
update.pos = true
end

-- Slow down or speed up..
local acc = dir.y * -1.8

local speed_mod_string = minetest.get_meta(pos):get_string("cart_acceleration")
local speed_mod = tonumber(speed_mod_string)
if speed_mod_string == "halt" then
vel = {x=0, y=0, z=0}
acc = 0
pos = vector.round(pos)
update.pos = true
update.vel = true
elseif speed_mod and speed_mod ~= 0 then
-- Try to make it similar to the original carts mod
acc = acc + (speed_mod * 10)
else
-- Handbrake
if ctrl and ctrl.down then
acc = acc - 1.6
else
acc = acc - 0.4
end
end

if self.old_dir.y ~= 1 and not self.punched then
-- Stop the cart swing between two rail parts (handbrake)
if vector.equals(vector.multiply(self.old_dir, -1), dir) then
vel = {x=0, y=0, z=0}
acc = 0
if self.old_pos then
pos = vector.new(self.old_pos)
update.pos = true
end
dir = vector.new(self.old_dir)
update.vel = true
end
end

new_acc = vector.multiply(dir, acc)
end

if HAVE_MESECONS_ENABLED then
boost_cart:signal_detector_rail(vector.round(pos))
end

-- Limits
local max_vel = boost_cart.speed_max
for _,v in ipairs({"x","y","z"}) do
if math.abs(vel[v]) > max_vel then
vel[v] = boost_cart:get_sign(vel[v]) * max_vel
new_acc[v] = 0
update.vel = true
end
end

self.object:setacceleration(new_acc)
self.old_pos = vector.new(pos)
if not vector.equals(dir, {x=0, y=0, z=0}) then
self.old_dir = vector.new(dir)
end
self.old_switch = switch_keys


if self.punched then
-- Collect dropped items
for _,obj_ in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
if not obj_:is_player() and
obj_:get_luaentity() and
not obj_:get_luaentity().physical_state and
obj_:get_luaentity().name == "__builtin:item" then

obj_:set_attach(self.object, "", {x=0, y=0, z=0}, {x=0, y=0, z=0})
self.attached_items[#self.attached_items + 1] = obj_
end
end
self.punched = false
update.vel = true
end

if not (update.vel or update.pos) then
return
end

local yaw = 0
if self.old_dir.x < 0 then
yaw = 0.5
elseif self.old_dir.x > 0 then
yaw = 1.5
elseif self.old_dir.z < 0 then
yaw = 1
end
self.object:setyaw(yaw * math.pi)

local anim = {x=0, y=0}
if dir.y == -1 then
anim = {x=1, y=1}
elseif dir.y == 1 then
anim = {x=2, y=2}
end
self.object:set_animation(anim, 1, 0)

self.object:setvelocity(vel)
if update.pos then
self.object:setpos(pos)
end
update = nil
end

minetest.register_entity(":carts:cart", boost_cart.cart)
minetest.register_craftitem(":carts:cart", {
description = "Cart (Sneak+Click to pick up)",
inventory_image = minetest.inventorycube("cart_top.png", "cart_side.png", "cart_side.png"),
wield_image = "cart_side.png",
on_place = function(itemstack, placer, pointed_thing)
if not pointed_thing.type == "node" then
return
end
if boost_cart:is_rail(pointed_thing.under) then
minetest.add_entity(pointed_thing.under, "carts:cart")
elseif boost_cart:is_rail(pointed_thing.above) then
minetest.add_entity(pointed_thing.above, "carts:cart")
else
return
end

if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end,
})

minetest.register_craft({
output = "carts:cart",
recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
},
})
dofile(boost_cart.modpath.."/cart_entity.lua")

+ 3
- 17
rails.lua View File

@@ -1,21 +1,10 @@
minetest.register_node(":default:rail", {
boost_cart:register_rail(":default:rail", {
description = "Rail",
drawtype = "raillike",
tiles = {
"default_rail.png", "default_rail_curved.png",
"default_rail_t_junction.png", "default_rail_crossing.png"
},
inventory_image = "default_rail.png",
wield_image = "default_rail.png",
paramtype = "light",
sunlight_propagates = true,
is_ground_content = true,
walkable = false,
selection_box = {
type = "fixed",
fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
},
groups = boost_cart:get_rail_groups(),
groups = boost_cart:get_rail_groups()
})

if minetest.get_modpath("moreores") then
@@ -28,7 +17,7 @@ else
"carts_rail_cp.png", "carts_rail_curved_cp.png",
"carts_rail_t_junction_cp.png", "carts_rail_crossing_cp.png"
},
groups = boost_cart:get_rail_groups(),
groups = boost_cart:get_rail_groups()
})

minetest.register_craft({
@@ -62,7 +51,6 @@ boost_cart:register_rail(":carts:powerrail", {
action_on = function(pos, node)
boost_cart:boost_rail(pos, 0.5)
end,

action_off = function(pos, node)
minetest.get_meta(pos):set_string("cart_acceleration", "0")
end,
@@ -98,7 +86,6 @@ boost_cart:register_rail(":carts:brakerail", {
action_on = function(pos, node)
minetest.get_meta(pos):set_string("cart_acceleration", "-0.3")
end,

action_off = function(pos, node)
minetest.get_meta(pos):set_string("cart_acceleration", "0")
end,
@@ -134,7 +121,6 @@ boost_cart:register_rail("boost_cart:startstoprail", {
action_on = function(pos, node)
boost_cart:boost_rail(pos, 0.5)
end,

action_off = function(pos, node)
minetest.get_meta(pos):set_string("cart_acceleration", "halt")
end,


BIN
sounds/cart_rail.1.ogg View File


BIN
sounds/cart_rail.2.ogg View File


BIN
sounds/cart_rail.3.ogg View File


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