-- Copyright (c) 2008, Alberto Alonso
--
-- All rights reserved.
--
-- Redistribution and use in source and binary forms, with or without modification,
-- are permitted provided that the following conditions are met:
--
-- * Redistributions of source code must retain the above copyright notice, this
-- list of conditions and the following disclaimer.
-- * Redistributions in binary form must reproduce the above copyright notice, this
-- list of conditions and the following disclaimer in the documentation and/or other
-- materials provided with the distribution.
-- * Neither the name of the superman script nor the names of its contributors may be used
-- to endorse or promote products derived from this software without specific prior
-- written permission.
--
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
local Superman = {}
function canceldamage()
cancelEvent()
end
addEventHandler("onClientPedDamage", getRootElement(), canceldamage)
-- Settings
local ZERO_TOLERANCE = 0.00001
local MAX_ANGLE_SPEED = 6 -- In degrees per frame
local MAX_SPEED = 1.0
local EXTRA_SPEED_FACTOR = 1.85
local LOW_SPEED_FACTOR = 0.40
local ACCELERATION = 0.025
local EXTRA_ACCELERATION_FACTOR = 1.8
local LOW_ACCELERATION_FACTOR = 0.85
local TAKEOFF_VELOCITY = 1.75
local TAKEOFF_FLIGHT_DELAY = 750
local SMOKING_SPEED = 1.25
local GROUND_ZERO_TOLERANCE = 0.18
local LANDING_DISTANCE = 3.2
local FLIGHT_ANIMLIB = "swim"
local FLIGHT_ANIMATION = "Swim_Dive_Under"
local FLIGHT_ANIM_LOOP = false
local IDLE_ANIMLIB = "cop_ambient"
local IDLE_ANIMATION = "Coplook_loop"
local IDLE_ANIM_LOOP = true
local MAX_Y_ROTATION = 55
local ROTATION_Y_SPEED = 3.8
-- Static global variables
local thisResource = getThisResource()
local rootElement = getRootElement()
local localPlayer = getLocalPlayer()
local serverGravity = getGravity()
function canFly()
if getElementData(source,"SuperMan") == true then
end
end
--
-- Utility functions
--
local function isPlayerFlying(player)
local data = getElementData(player, "superman:flying")
if not data or data == false then return false
else return true end
end
local function setPlayerFlying(player, state)
if state == true then state = true
else state = false end
setElementData(player, "superman:flying", state)
end
local function iterateFlyingPlayers()
local current = 1
local allPlayers = getElementsByType("player")
return function()
local player
repeat
player = allPlayers[current]
current = current + 1
until not player or (isPlayerFlying(player) and isElementStreamedIn(player))
return player
end
end
function Superman:restorePlayer(player)
setPlayerFlying(player, false)
setPedAnimation(player, false)
setElementVelocity(player, 0, 0, 0)
setElementRotation(player, 0, 0, 0)
--setPedRotation(player, getPedRotation(player))
setElementCollisionsEnabled(player, true)
self:destroySmokeGenerators(player)
self.rotations[player] = nil
self.previousVelocity[player] = nil
end
function Superman:createSmokeGenerator(player)
local generator = createObject(2780, getElementPosition(player))
setElementCollisionsEnabled(generator, false)
setObjectScale(generator, 0)
return generator
end
function Superman:createSmokeGenerators(player)
if not self.smokeGenerators[player] then
local smokeGenerators = {}
smokeGenerators[1] = self:createSmokeGenerator(player)
attachElements(smokeGenerators[1], player, 0.75, -0.2, -0.4, -40, 0, 60)
smokeGenerators[2] = self:createSmokeGenerator(player)
attachElements(smokeGenerators[2], player, -0.75, -0.2, -0.4, -40, 0, -60)
self.smokeGenerators[player] = smokeGenerators
end
end
function Superman:destroySmokeGenerators(player)
if self.smokeGenerators[player] then
for k, v in ipairs(self.smokeGenerators[player]) do
destroyElement(v)
end
self.smokeGenerators[player] = nil
end
end
function angleDiff(angle1, angle2)
angle1, angle2 = angle1 % 360, angle2 % 360
local diff = (angle1 - angle2) % 360
if diff <= 180 then
return diff
else
return -(360 - diff)
end
end
local function isElementInWater(ped)
local pedPosition = Vector3D:new(getElementPosition(ped))
if pedPosition.z <= 0 then return true end
local waterLevel = getWaterLevel(pedPosition.x, pedPosition.y, pedPosition.z)
if not isElementStreamedIn(ped) or not waterLevel or waterLevel < pedPosition.z then
return false
else
return true
end
end
local function isnan(x)
math.inf = 1/0
if x == math.inf or x == -math.inf or x ~= x then
return true
end
return false
end
local function getVector2DAngle(vec)
if vec.x == 0 and vec.y == 0 then return 0 end
local angle = math.deg(math.atan(vec.x / vec.y)) + 90
if vec.y < 0 then
angle = angle + 180
end
return angle
end
--
-- Initialization and shutdown functions
--
function Superman.Start()
local self = Superman
-- Register events
addEventHandler("onClientResourceStop", getResourceRootElement(thisResource), Superman.Stop, false)
addEventHandler("onPlayerJoin", rootElement, Superman.onJoin)
addEventHandler("onPlayerQuit", rootElement, Superman.onQuit)
addEventHandler("onClientRender", rootElement, Superman.processControls)
addEventHandler("onClientRender", rootElement, Superman.processFlight)
addEventHandler("onClientPlayerDamage", localPlayer, Superman.onDamage, false)
addEventHandler("onClientElementDataChange", rootElement, Superman.onDataChange)
addEventHandler("onClientElementStreamIn", rootElement, Superman.onStreamIn)
addEventHandler("onClientElementStreamOut", rootElement, Superman.onStreamOut)
-- Bind keys
bindKey("jump", "down", Superman.onJump)
-- Register commands
addCommandHandler("superman", Superman.cmdSuperman)
-- Initializate attributes
self.smokeGenerators = {}
self.rotations = {}
self.previousVelocity = {}
end
addEventHandler("onClientResourceStart", getResourceRootElement(thisResource), Superman.Start, false)
function Superman.Stop()
local self = Superman
setGravity(serverGravity)
-- Restore all players animations, collisions, etc
for player in iterateFlyingPlayers() do
self:restorePlayer(player)
end
end
--
-- Join/Quit
--
function Superman.onJoin(player)
local self = Superman
local player = player or source
setPlayerFlying(player, false)
end
function Superman.onQuit(reason, player)
local self = Superman
local player = player or source
if isPlayerFlying(player) then
self:restorePlayer(player)
end
end
--
-- onDamage: superman is invulnerable
--
function Superman.onDamage()
local self = Superman
if isPlayerFlying(localPlayer) then
cancelEvent()
end
end
--
-- onStreamIn: Reset rotation attribute for player
--
function Superman.onStreamIn()
local self = Superman
end
function Superman.onStreamOut()
local self = Superman
if source and isElement(source) and getElementType(source) == "player" and isPlayerFlying(source) then
self.rotations[source] = nil
self.previousVelocity[source] = nil
end
end
--
-- onDataChange: Check if somebody who is out of stream stops being superman
--
function Superman.onDataChange(dataName, oldValue)
local self = Superman
if dataName == "superman:flying" and isElement(source) and getElementType(source) == "player" and
oldValue ~= getElementData(source, dataName) and oldValue == true and getElementData(source, dataName) == false then
self:restorePlayer(source)
end
end
--
-- onJump: Combo to start flight without any command
--
function Superman.onJump(key, keyState)
if not canFly() then return end
local self = Superman
local task = getPedSimplestTask(localPlayer)
if not isPlayerFlying(localPlayer) then
if task == "TASK_SIMPLE_IN_AIR" then
setElementVelocity(localPlayer, 0, 0, TAKEOFF_VELOCITY)
setTimer(Superman.startFlight, 100, 1)
end
end
end
--
-- Commands
--
function Superman.cmdSuperman()
if not canFly() then return end
local self = Superman
if isPedInVehicle(localPlayer) or isPlayerFlying(localPlayer) then return end
setElementVelocity(localPlayer, 0, 0, TAKEOFF_VELOCITY)
setTimer(Superman.startFlight, TAKEOFF_FLIGHT_DELAY, 1)
end
function Superman.startFlight()
local self = Superman
if isPlayerFlying(localPlayer) then return end
triggerServerEvent("superman:start", rootElement)
setPlayerFlying(localPlayer, true)
setElementVelocity(localPlayer, 0, 0, 0)
self.currentSpeed = 0
self.extraVelocity = { x = 0, y = 0, z = 0 }
end
--
-- Controls processing
--
local jump, oldJump = false, false
function Superman.processControls()
local self = Superman
if not isPlayerFlying(localPlayer) then
jump, oldJump = getControlState("jump"), jump
if canFly() and not oldJump and jump then
Superman.onJump()
end
return
end
-- if not isPlayerFlying(localPlayer) then return end
-- Calculate the requested movement direction
local Direction = Vector3D:new(0, 0, 0)
if getControlState("forwards") then
Direction.y = 1
elseif getControlState("backwards") then
Direction.y = -1
end
if getControlState("left") then
Direction.x = 1
elseif getControlState("right") then
Direction.x = -1
end
Direction:Normalize()
-- Calculate the sight direction
local cameraX, cameraY, cameraZ, lookX, lookY, lookZ = getCameraMatrix()
local SightDirection = Vector3D:new((lookX - cameraX), (lookY - cameraY), (lookZ - cameraZ))
SightDirection:Normalize()
if getControlState("look_behind") then
SightDirection = SightDirection:Mul(-1)
end
-- Calculate the current max speed and acceleration values
local maxSpeed = MAX_SPEED
local acceleration = ACCELERATION
if getControlState("sprint") then
maxSpeed = MAX_SPEED * EXTRA_SPEED_FACTOR
acceleration = acceleration * EXTRA_ACCELERATION_FACTOR
elseif getControlState("walk") then
maxSpeed = MAX_SPEED * LOW_SPEED_FACTOR
acceleration = acceleration * LOW_ACCELERATION_FACTOR
end
local DirectionModule = Direction:Module()
-- Check if we must change the gravity
if DirectionModule == 0 and self.currentSpeed ~= 0 then
setGravity(0)
else
setGravity(serverGravity)
end
-- Calculate the new current speed
if self.currentSpeed ~= 0 and (DirectionModule == 0 or self.currentSpeed > maxSpeed) then
-- deccelerate
self.currentSpeed = self.currentSpeed - acceleration
if self.currentSpeed < 0 then self.currentSpeed = 0 end
elseif DirectionModule ~= 0 and self.currentSpeed < maxSpeed then
-- accelerate
self.currentSpeed = self.currentSpeed + acceleration
if self.currentSpeed > maxSpeed then self.currentSpeed = maxSpeed end
end
-- Calculate the movement requested direction
if DirectionModule ~= 0 then
Direction = Vector3D:new(SightDirection.x * Direction.y - SightDirection.y * Direction.x,
SightDirection.x * Direction.x + SightDirection.y * Direction.y,
SightDirection.z * Direction.y)
-- Save the last movement direction for when player releases all direction keys
self.lastDirection = Direction
else
-- Player is not specifying any direction, use last known direction or the current velocity
if self.lastDirection then
Direction = self.lastDirection
if self.currentSpeed == 0 then self.lastDirection = nil end
else
Direction = Vector3D:new(getElementVelocity(localPlayer))
end
end
Direction:Normalize()
Direction = Direction:Mul(self.currentSpeed)
-- Applicate a smooth direction change, if moving
if self.currentSpeed > 0 then
local VelocityDirection = Vector3D:new(getElementVelocity(localPlayer))
VelocityDirection:Normalize()
if math.sqrt(VelocityDirection.x^2 + VelocityDirection.y^2) > 0 then
local DirectionAngle = getVector2DAngle(Direction)
local VelocityAngle = getVector2DAngle(VelocityDirection)
local diff = angleDiff(DirectionAngle, VelocityAngle)
local calculatedAngle
if diff >= 0 then
if diff > MAX_ANGLE_SPEED then
calculatedAngle = VelocityAngle + MAX_ANGLE_SPEED
else
calculatedAngle = DirectionAngle
end
else
if diff < MAX_ANGLE_SPEED then
calculatedAngle = VelocityAngle - MAX_ANGLE_SPEED
else
calculatedAngle = DirectionAngle
end
end
calculatedAngle = calculatedAngle % 360
local DirectionModule2D = math.sqrt(Direction.x^2 + Direction.y^2)
Direction.x = -DirectionModule2D*math.cos(math.rad(calculatedAngle))
Direction.y = DirectionModule2D*math.sin(math.rad(calculatedAngle))
end
end
if Direction:Module() == 0 then
self.extraVelocity = { x = 0, y = 0, z = 0 }
end
-- Set the new velocity
setElementVelocity(localPlayer, Direction.x + self.extraVelocity.x,
Direction.y + self.extraVelocity.y,
Direction.z + self.extraVelocity.z)
if self.extraVelocity.z > 0 then
self.extraVelocity.z = self.extraVelocity.z - 1
if self.extraVelocity.z < 0 then self.extraVelocity.z = 0 end
elseif self.extraVelocity.z < 0 then
self.extraVelocity.z = self.extraVelocity.z + 1
if self.extraVelocity.z > 0 then self.extraVelocity.z = 0 end
end
end
--
-- Players flight processing
--
function Superman.processFlight()
local self = Superman
for player in iterateFlyingPlayers() do
local Velocity = Vector3D:new(getElementVelocity(player))
local distanceToBase = getElementDistanceFromCentreOfMassToBaseOfModel(player)
local playerPos = Vector3D:new(getElementPosition(player))
playerPos.z = playerPos.z - distanceToBase
local distanceToGround
if playerPos.z > 0 then
local hit, hitX, hitY, hitZ, hitElement = processLineOfSight(playerPos.x, playerPos.y, playerPos.z,
playerPos.x, playerPos.y, playerPos.z - LANDING_DISTANCE - 1,
true, true, true, true, true, false, false, false)
if hit then distanceToGround = playerPos.z - hitZ end
end
if distanceToGround and distanceToGround < GROUND_ZERO_TOLERANCE then
self:restorePlayer(player)
if player == localPlayer then
setGravity(serverGravity)
triggerServerEvent("superman:stop", getRootElement())
end
elseif distanceToGround and distanceToGround < LANDING_DISTANCE then
self:processLanding(player, Velocity, distanceToGround)
elseif Velocity:Module() < ZERO_TOLERANCE then
self:processIdleFlight(player)
else
self:processMovingFlight(player, Velocity)
end
end
end
function Superman:processIdleFlight(player)
-- Set the proper animation on the player
local animLib, animName = getPedAnimation(player)
if animLib ~= IDLE_ANIMLIB or animName ~= IDLE_ANIMATION then
setPedAnimation(player, IDLE_ANIMLIB, IDLE_ANIMATION, -1, IDLE_ANIM_LOOP, false, false)
end
setElementCollisionsEnabled(player, false)
-- If this is myself, calculate the ped rotation depending on the camera rotation
if player == localPlayer then
local cameraX, cameraY, cameraZ, lookX, lookY, lookZ = getCameraMatrix()
local Sight = Vector3D:new(lookX - cameraX, lookY - cameraY, lookZ - cameraZ)
Sight:Normalize()
if getControlState("look_behind") then
Sight = Sight:Mul(-1)
end
Sight.z = math.atan(Sight.x / Sight.y)
if Sight.y > 0 then
Sight.z = Sight.z + math.pi
end
Sight.z = math.deg(Sight.z) + 180
setPedRotation(localPlayer, Sight.z)
setElementRotation(localPlayer, 0, 0, Sight.z)
else
local Zangle = getPedCameraRotation(player)
setPedRotation(player, Zangle)
setElementRotation(player, 0, 0, Zangle)
end
end
function Superman:processMovingFlight(player, Velocity)
-- Set the proper animation on the player
local animLib, animName = getPedAnimation(player)
if animLib ~= FLIGHT_ANIMLIB or animName ~= FLIGHT_ANIMATION then
setPedAnimation(player, FLIGHT_ANIMLIB, FLIGHT_ANIMATION, -1, FLIGHT_ANIM_LOOP, true, false)
end
if player == localPlayer then
setElementCollisionsEnabled(player, true)
else
setElementCollisionsEnabled(player, false)
end
-- Calculate the player rotation depending on their velocity
local Rotation = Vector3D:new(0, 0, 0)
if Velocity.x == 0 and Velocity.y == 0 then
Rotation.z = getPedRotation(player)
else
Rotation.z = math.deg(math.atan(Velocity.x / Velocity.y))
if Velocity.y > 0 then
Rotation.z = Rotation.z - 180
end
Rotation.z = (Rotation.z + 180) % 360
end
Rotation.x = -math.deg(Velocity.z / Velocity:Module() * 1.2)
-- Rotation compensation for the self animation rotation
Rotation.x = Rotation.x - 40
-- Calculate the Y rotation for barrel rotations
if not self.rotations[player] then self.rotations[player] = 0 end
if not self.previousVelocity[player] then self.previousVelocity[player] = Vector3D:new(0, 0, 0) end
local previousAngle = getVector2DAngle(self.previousVelocity[player])
local currentAngle = getVector2DAngle(Velocity)
local diff = angleDiff(currentAngle, previousAngle)
if isnan(diff) then
diff = 0
end
local calculatedYRotation = -diff * MAX_Y_ROTATION / MAX_ANGLE_SPEED
if calculatedYRotation > self.rotations[player] then
if calculatedYRotation - self.rotations[player] > ROTATION_Y_SPEED then
self.rotations[player] = self.rotations[player] + ROTATION_Y_SPEED
else
self.rotations[player] = calculatedYRotation
end
else
if self.rotations[player] - calculatedYRotation > ROTATION_Y_SPEED then
self.rotations[player] = self.rotations[player] - ROTATION_Y_SPEED
else
self.rotations[player] = calculatedYRotation
end
end
if self.rotations[player] > MAX_Y_ROTATION then
self.rotations[player] = MAX_Y_ROTATION
elseif self.rotations[player] < -MAX_Y_ROTATION then
self.rotations[player] = -MAX_Y_ROTATION
elseif math.abs(self.rotations[player]) < ZERO_TOLERANCE then
self.rotations[player] = 0
end
Rotation.y = self.rotations[player]
-- Apply the calculated rotation
setPedRotation(player, Rotation.z)
setElementRotation(player, Rotation.x, Rotation.y, Rotation.z)
-- Save the current velocity
self.previousVelocity[player] = Velocity
-- If the speed is over the given value, create the smoke generators
if Velocity:Module() > (SMOKING_SPEED - ZERO_TOLERANCE) and not isElementInWater(player) then
self:createSmokeGenerators(player)
else
self:destroySmokeGenerators(player)
end
end
function Superman:processLanding(player, Velocity, distanceToGround)
-- Set the proper animation on the player
local animLib, animName = getPedAnimation(player)
if animLib ~= FLIGHT_ANIMLIB or animName ~= FLIGHT_ANIMATION then
setPedAnimation(player, FLIGHT_ANIMLIB, FLIGHT_ANIMATION, -1, FLIGHT_ANIM_LOOP, true, false)
end
if player == localPlayer then
setElementCollisionsEnabled(player, true)
else
setElementCollisionsEnabled(player, false)
end
-- If the speed is over the given value, create the smoke generators
if Velocity:Module() > (SMOKING_SPEED - ZERO_TOLERANCE) and not isElementInWater(player) then
self:createSmokeGenerators(player)
else
self:destroySmokeGenerators(player)
end
-- Calculate the player rotation depending on their velocity and distance to ground
local Rotation = Vector3D:new(0, 0, 0)
if Velocity.x == 0 and Velocity.y == 0 then
Rotation.z = getPedRotation(player)
else
Rotation.z = math.deg(math.atan(Velocity.x / Velocity.y))
if Velocity.y > 0 then
Rotation.z = Rotation.z - 180
end
Rotation.z = (Rotation.z + 180) % 360
end
Rotation.x = -(85 - (distanceToGround * 85 / LANDING_DISTANCE))
-- Rotation compensation for the self animation rotation
Rotation.x = Rotation.x - 40
-- Apply the calculated rotation
setPedRotation(player, Rotation.z)
setElementRotation(player, Rotation.x, Rotation.y, Rotation.z)
end
--
-- Vectors
--
Vector3D = {
new = function(self, _x, _y, _z)
local newVector = { x = _x or 0.0, y = _y or 0.0, z = _z or 0.0 }
return setmetatable(newVector, { __index = Vector3D })
end,
Copy = function(self)
return Vector3D:new(self.x, self.y, self.z)
end,
Normalize = function(self)
local mod = self:Module()
if mod ~= 0 then
self.x = self.x / mod
self.y = self.y / mod
self.z = self.z / mod
end
end,
Dot = function(self, V)
return self.x * V.x + self.y * V.y + self.z * V.z
end,
Module = function(self)
return math.sqrt(self.x * self.x + self.y * self.y + self.z * self.z)
end,
AddV = function(self, V)
return Vector3D:new(self.x + V.x, self.y + V.y, self.z + V.z)
end,
SubV = function(self, V)
return Vector3D:new(self.x - V.x, self.y - V.y, self.z - V.z)
end,
CrossV = function(self, V)
return Vector3D:new(self.y * V.z - self.z * V.y,
self.z * V.x - self.x * V.z,
self.x * V.y - self.y * V.z)
end,
Mul = function(self, n)
return Vector3D:new(self.x * n, self.y * n, self.z * n)
end,
Div = function(self, n)
return Vector3D:new(self.x / n, self.y / n, self.z / n)
end,
MulV = function(self, V)
return Vector3D:new(self.x * V.x, self.y * V.y, self.z * V.z)
end,
DivV = function(self, V)
return Vector3D:new(self.x / V.x, self.y / V.y, self.z / V.z)
end,
}
this full code
