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--[[
--=================
--======================================
LazyJ's Fork of Splizard's "Snow" Mod
by LazyJ
version: Umpteen and 7/5ths something or another.
2014_04_12
--======================================
--=================
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
THE LIST OF CHANGES I'VE MADE
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* The HUD message that displayed when a player sat on the sled would not go away after the player
got off the sled. I spent hours on trial-and-error while reading the lua_api.txt and scrounging
the Internet for a needle-in-the-haystack solution as to why the hud_remove wasn't working.
Turns out Splizard's code was mostly correct, just not assembled in the right order.
The key to the solution was found in the code of leetelate's scuba mod:
http://forum.minetest.net/viewtopic.php?id=7175
* Changed the wording of the HUD message for clarity.
~~~~~~
TODO
~~~~~~
* Figure out why the player avatars remain in a seated position, even after getting off the sled,
if they flew while on the sled. 'default.player_set_animation', where is a better explanation
for this and what are it's available options?
* Go through, clean-up my notes and get them better sorted. Some are in the code, some are
scattered in my note-taking program. This "Oh, I'll just make a little tweak here and a
little tweak there" project has evolved into something much bigger and more complex
than I originally planned. :p ~ LazyJ
--]]
--=============================================================
-- CODE STUFF
--=============================================================
--
-- Helper functions
--
local function is_water(pos)
local nn = minetest.env:get_node(pos).name
return minetest.get_item_group(nn, "water") ~= 0
end
--
-- Sled entity
--
local sled = {
physical = false,
collisionbox = {-0.6,-0.25,-0.6, 0.6,0.3,0.6},
visual = "mesh",
mesh = "sled.x",
textures = {"sled.png"},
driver = nil,
sliding = false,
}
local players_sled = {}
function sled:on_rightclick(clicker)
if (not self.driver) and snow.sleds then
players_sled[clicker:get_player_name()] = true
self.driver = clicker
self.object:set_attach(clicker, "", {x=0,y=-9,z=0}, {x=0,y=90,z=0})
clicker:set_physics_override({
speed = 2, -- multiplier to default value
jump = 0, -- multiplier to default value
gravity = 1
})
--[[
local HUD =
{
hud_elem_type = "text", -- see HUD element types
position = {x=0.5, y=0.89},
name = "sled",
scale = {x=2, y=2},
text = "You are sledding, hold sneak to stop.",
direction = 0,
}
clicker:hud_add(HUD)
--]]
-- Here is part 1 of the fix. ~ LazyJ
HUD = clicker:hud_add({
hud_elem_type = "text",
position = {x=0.5, y=0.89},
name = "sled",
scale = {x=2, y=2},
text = "You are on the sled! Press the sneak key to get off the sled.", -- LazyJ
direction = 0,
})
-- End part 1
end
end
function sled:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
if staticdata then
self.v = tonumber(staticdata)
end
end
function sled:get_staticdata()
return tostring(v)
end
function sled:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
self.object:remove()
if puncher and puncher:is_player() then
puncher:get_inventory():add_item("main", "snow:sled")
end
end
minetest.register_globalstep(function(dtime)
for _, player in pairs(minetest.get_connected_players()) do
if players_sled[player:get_player_name()] then
default.player_set_animation(player, "sit", 0)
end
end
end)
function sled:on_step(dtime)
if self.driver then
local p = self.object:getpos()
p.y = p.y+0.4
local s = self.object:getpos()
s.y = s.y -0.5
local keys = self.driver:get_player_control()
if keys["sneak"] or is_water(p) or (not minetest.find_node_near(s, 1, {"default:snow","default:snowblock","default:ice","default:dirt_with_snow", "group:icemaker"})) then -- LazyJ
self.driver:set_physics_override({
speed = 1, -- multiplier to default value
jump = 1, -- multiplier to default value
gravity = 1
})
players_sled[self.driver:get_player_name()] = false
self.object:set_detach()
--self.driver:hud_remove("sled")
self.driver:hud_remove(HUD) -- And here is part 2. ~ LazyJ
self.driver = nil
self.object:remove()
end
end
end
minetest.register_entity("snow:sled", sled)
minetest.register_craftitem("snow:sled", {
description = "Sled",
inventory_image = "snow_sled.png",
wield_image = "snow_sled.png",
wield_scale = {x=2, y=2, z=1},
liquids_pointable = true,
stack_max = 1,
on_use = function(itemstack, placer)
local pos = {x=0,y=-1000, z=0}
local name = placer:get_player_name()
if not players_sled[name] then
local sled = minetest.env:add_entity(pos, "snow:sled")
sled:get_luaentity():on_rightclick(placer)
end
end,
})
minetest.register_craft({
output = "snow:sled",
recipe = {
{"", "", ""},
{"group:stick", "", ""},
{"group:wood", "group:wood", "group:wood"},
},
})
minetest.register_craft({
output = "snow:sled",
recipe = {
{"", "", ""},
{"", "", "group:stick"},
{"group:wood", "group:wood", "group:wood"},
},
})