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MineClone2/mods/PLAYER/mcl_sprint/init.lua

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--[[
Sprint mod for Minetest by GunshipPenguin
To the extent possible under law, the author(s)
have dedicated all copyright and related and neighboring rights
to this software to the public domain worldwide. This software is
distributed without any warranty.
]]
--Configuration variables, these are all explained in README.md
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mcl_sprint = {}
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mcl_sprint.SPEED = 1.3
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local players = {}
-- Returns true if the player with the given name is sprinting, false if not.
-- Returns nil if player does not exist.
mcl_sprint.is_sprinting = function(playername)
if players[playername] then
return players[playername].sprinting
else
return nil
end
end
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minetest.register_on_joinplayer(function(player)
local playerName = player:get_player_name()
players[playerName] = {
sprinting = false,
timeOut = 0,
shouldSprint = false,
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lastPos = player:get_pos(),
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sprintDistance = 0,
}
end)
minetest.register_on_leaveplayer(function(player)
local playerName = player:get_player_name()
players[playerName] = nil
end)
local function setSprinting(playerName, sprinting) --Sets the state of a player (0=stopped/moving, 1=sprinting)
local player = minetest.get_player_by_name(playerName)
if players[playerName] then
players[playerName]["sprinting"] = sprinting
if sprinting == true then
playerphysics.add_physics_factor(player, "speed", "mcl_sprint:sprint", mcl_sprint.SPEED)
elseif sprinting == false then
playerphysics.remove_physics_factor(player, "speed", "mcl_sprint:sprint")
end
return true
end
return false
end
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minetest.register_globalstep(function(dtime)
--Get the gametime
local gameTime = minetest.get_gametime()
--Loop through all connected players
for playerName,playerInfo in pairs(players) do
local player = minetest.get_player_by_name(playerName)
if player ~= nil then
local ctrl = player:get_player_control()
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--Check if the player should be sprinting
if ctrl.aux1 and ctrl.up and not ctrl.sneak then
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players[playerName]["shouldSprint"] = true
else
players[playerName]["shouldSprint"] = false
end
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local playerPos = player:get_pos()
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--If the player is sprinting, create particles behind and cause exhaustion
if playerInfo["sprinting"] == true and gameTime % 0.1 == 0 then
-- Exhaust player for sprinting
local lastPos = players[playerName].lastPos
local dist = vector.distance({x=lastPos.x, y=0, z=lastPos.z}, {x=playerPos.x, y=0, z=playerPos.z})
players[playerName].sprintDistance = players[playerName].sprintDistance + dist
if players[playerName].sprintDistance >= 1 then
local superficial = math.floor(players[playerName].sprintDistance)
mcl_hunger.exhaust(playerName, mcl_hunger.EXHAUST_SPRINT * superficial)
players[playerName].sprintDistance = players[playerName].sprintDistance - superficial
end
-- Sprint dirt particles
local numParticles = math.random(1, 2)
local playerNode = minetest.get_node({x=playerPos["x"], y=playerPos["y"]-1, z=playerPos["z"]})
if playerNode["name"] ~= "air" then
for i=1, numParticles, 1 do
minetest.add_particle({
pos = {x=playerPos["x"]+math.random(-1,1)*math.random()/2,y=playerPos["y"]+0.1,z=playerPos["z"]+math.random(-1,1)*math.random()/2},
velocity = {x=0, y=5, z=0},
acceleration = {x=0, y=-13, z=0},
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expirationtime = math.random(),
size = math.random()+0.5,
collisiondetection = true,
vertical = false,
texture = "default_dirt.png",
})
end
end
end
--Adjust player states
players[playerName].lastPos = playerPos
if players[playerName]["shouldSprint"] == true then --Stopped
local sprinting
-- Prevent sprinting if hungry or sleeping
if (mcl_hunger.active and mcl_hunger.get_hunger(player) <= 6) or (player:get_attribute("mcl_beds:sleeping") == "true")then
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sprinting = false
else
sprinting = true
end
setSprinting(playerName, sprinting)
elseif players[playerName]["shouldSprint"] == false then
setSprinting(playerName, false)
end
end
end
end)