Combat System (Server)

local remote = game.ReplicatedStorage.Remotes.Combat.CombatEvent
local knockbackRemote = game.ReplicatedStorage.Remotes.Combat.KnockbackEvent
local dummyKnockbackRemote = game.ReplicatedStorage.BindableEvents.Combat.DummyKnockback

local normalDmg = 4
local heavyDmg = 6
local barrageDmg = 1.5

local addRageAmount = 3.5
local barrageAddRageAmount = addRageAmount / 16

local normalKnockback = 50
local heavyKnockback = 100

local stunLength = 1
local parryLength = 2
local blockBreakLength = 2

local thread: thread

local function GetDamage(char)
	return char:GetAttribute("Rage") / 100
end

local function AddRage(char, amount)
	return char:GetAttribute("Rage") + amount
end

remote.OnServerEvent:Connect(function(plr: Player, hit: BasePart, punchType: string, direction: string, combo: number)
	local char = plr.Character
	local hum = char.Humanoid
	local humrp = char.HumanoidRootPart

	local echar = hit.Parent
	local ehum: Humanoid = echar.Humanoid
	local ehumrp = echar.HumanoidRootPart

	if echar:GetAttribute("State") == "IFrames" or echar:GetAttribute("NPC") then
		return
	end

	local hitVFX = game.ReplicatedStorage.VFX.Hit:Clone()
	local hitFx: Sound
	if punchType == "Normal" or punchType == "Heavy" then
		hitFx = game.SoundService.Combat["M" .. combo]:Clone()
	elseif punchType == "StandHeavy" then
		hitFx = game.SoundService.Combat.M4:Clone()
	else
		hitFx = game.SoundService.Combat.HitSound:Clone()
	end

	if ehum.Health <= normalDmg and punchType == "Normal" or ehum.Health <= heavyDmg and punchType == "Heavy" then
		hitFx = game.SoundService.Combat.M4:Clone()
		if not echar:FindFirstChild("Dummy") then
			knockbackRemote:FireClient(game.Players:GetPlayerFromCharacter(echar), char.Torso.CFrame.LookVector * heavyKnockback)
		else
			dummyKnockbackRemote:Fire(char.Torso.CFrame.LookVector * heavyKnockback, echar.Dummy.Value)
		end
	end

	if punchType == "StandHeavy" then
		if echar:GetAttribute("State") == "Blocking" then
			if direction == "Front" then
				if echar:GetAttribute("Parry") == true then
					local parrySFX = game.SoundService.Combat.Parry:Clone()
					parrySFX.Parent = echar
					parrySFX:Destroy()
					char:SetAttribute("State", "Stunned")
					task.delay(parryLength, function()
						char:SetAttribute("State", "Default")
					end)
					return
				end
			end
		end

		echar:SetAttribute("State", "Stunned")

		task.delay(stunLength, function()
			echar:SetAttribute("State", "Default")
		end)

		hitFx.Parent = echar
		hitFx:Destroy()

		hitVFX.Parent = ehumrp
		hitVFX.Position = ehumrp.Position
		game.Debris:AddItem(hitVFX, 0.4)

		ehum:TakeDamage(heavyDmg + GetDamage(char))
		char:SetAttribute("Rage", AddRage(char, addRageAmount))

		if thread then
			task.cancel(thread)
		end
		if ehum.Health > 10 then
			if not echar:FindFirstChild("Dummy") then
				knockbackRemote:FireClient(game.Players:GetPlayerFromCharacter(echar), char.Torso.CFrame.LookVector * normalKnockback)
			else
				dummyKnockbackRemote:Fire(char.Torso.CFrame.LookVector * normalKnockback, echar.Dummy.Value)
			end
			echar.IsRagdoll.Value = true
			task.wait(3)
			echar.IsRagdoll.Value = false
		end
	elseif punchType == "Barrage" then
		if echar:GetAttribute("State") == "Blocking" then
			if direction == "Front" then
				if echar:GetAttribute("Parry") == true then
					local parrySFX = game.SoundService.Combat.Parry:Clone()
					parrySFX.Parent = echar
					parrySFX:Destroy()
					char:SetAttribute("State", "Stunned")
					task.delay(parryLength, function()
						char:SetAttribute("State", "Default")
					end)
					return
				end
				local blockSFX = game.SoundService.Combat.Block:Clone()
				blockSFX.Parent = echar
				blockSFX:Destroy()
				return
			end
		end

		hitFx.Parent = echar
		hitFx:Destroy()

		hitVFX.Parent = ehumrp
		hitVFX.Position = ehumrp.Position
		game.Debris:AddItem(hitVFX, 0.4)

		ehum:TakeDamage(barrageDmg + GetDamage(char))
		char:SetAttribute("Rage", AddRage(char, barrageAddRageAmount))
		if thread then
			task.cancel(thread)
		end
		echar:SetAttribute("State", "Stunned")
		thread = task.delay(stunLength, function()
			echar:SetAttribute("State", "Default")
		end)
	elseif punchType == "Heavy" then

		if echar:GetAttribute("State") == "Blocking" then
			if echar:GetAttribute("Parry") == true and direction == "Front" then
				local parrySFX = game.SoundService.Combat.Parry:Clone()
				parrySFX.Parent = echar
				parrySFX:Destroy()
				char:SetAttribute("State", "Stunned")
				thread = task.delay(parryLength, function()
					char:SetAttribute("State", "Default")
				end)
				return
			end

			echar:SetAttribute("State", "Stunned")

			thread = task.delay(blockBreakLength, function()
				echar:SetAttribute("State", "Default")
			end)

			hitFx.Parent = echar
			hitFx:Destroy()

			hitVFX.Parent = ehumrp
			hitVFX.Position = ehumrp.Position
			game.Debris:AddItem(hitVFX, 0.4)

			ehum:TakeDamage(heavyDmg + GetDamage(char))
			char:SetAttribute("Rage", AddRage(char, addRageAmount))
			if thread then
				task.cancel(thread)
			end
			return
		end


		echar:SetAttribute("State", "Stunned")

		task.delay(stunLength, function()
			echar:SetAttribute("State", "Default")
		end)

		hitFx.Parent = echar
		hitFx:Destroy()

		hitVFX.Parent = ehumrp
		hitVFX.Position = ehumrp.Position
		game.Debris:AddItem(hitVFX, 0.4)

		ehum:TakeDamage(heavyDmg + GetDamage(char))
		char:SetAttribute("Rage", AddRage(char, addRageAmount))
		if thread then
			task.cancel(thread)
		end
		if ehum.Health > 10 then
			if not echar:FindFirstChild("Dummy") then
				knockbackRemote:FireClient(game.Players:GetPlayerFromCharacter(echar), char.Torso.CFrame.LookVector * normalKnockback)
			else
				dummyKnockbackRemote:Fire(char.Torso.CFrame.LookVector * normalKnockback, echar.Dummy.Value)
			end
			echar.IsRagdoll.Value = true
			task.wait(3)
			echar.IsRagdoll.Value = false
		end
	elseif punchType == "Normal" then

		if echar:GetAttribute("State") == "Blocking" then
			if direction == "Front" then
				if echar:GetAttribute("Parry") == true then
					local parrySFX = game.SoundService.Combat.Parry:Clone()
					parrySFX.Parent = echar
					parrySFX:Destroy()
					char:SetAttribute("State", "Stunned")
					task.delay(parryLength, function()
						char:SetAttribute("State", "Default")
					end)
					return
				end
				local blockSFX = game.SoundService.Combat.Block:Clone()
				blockSFX.Parent = echar
				blockSFX:Destroy()
				return
			end
		end

		hitFx.Parent = echar
		hitFx:Destroy()

		hitVFX.Parent = ehumrp
		hitVFX.Position = ehumrp.Position
		game.Debris:AddItem(hitVFX, 0.4)

		ehum:TakeDamage(normalDmg + GetDamage(char))
		char:SetAttribute("Rage", AddRage(char, addRageAmount))
		if thread then
			task.cancel(thread)
		end
		echar:SetAttribute("State", "Stunned")
		thread = task.delay(stunLength, function()
			echar:SetAttribute("State", "Default")
		end)
	end
end)