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--[[
	Created by Chessnut for the Chessnut's Corner community.
	http://chessnut.info
--]]

AddCSLuaFile();

if (CLIENT) then
	SWEP.PrintName = "Fists"
	SWEP.Slot = 1;
	SWEP.SlotPos = 1;
	SWEP.DrawAmmo = false;
	SWEP.DrawCrosshair = false;
end;

SWEP.Author = "\67\104\101\115\115\110\117\116"
SWEP.Instructions = "Primary Fire: Punch,\nSecondary Fire: Knock";
SWEP.Purpose = "Hitting things and knocking on doors."
SWEP.Drop = false;

SWEP.ViewModelFOV = 48;
SWEP.ViewModelFlip = false;
SWEP.AnimPrefix	 = "rpg";

SWEP.ViewTranslation = 4;

SWEP.Primary.ClipSize = -1;
SWEP.Primary.DefaultClip = -1;
SWEP.Primary.Automatic = false;
SWEP.Primary.Ammo = "";
SWEP.Primary.Damage = 20;
SWEP.Primary.Delay = 0.75;

SWEP.Secondary.ClipSize = -1;
SWEP.Secondary.DefaultClip = 0;
SWEP.Secondary.Automatic = false;
SWEP.Secondary.Ammo = "";

SWEP.ViewModel = Model("models/weapons/v_fists.mdl");
SWEP.WorldModel = ""

SWEP.UseHands = true;

function SWEP:PreDrawViewModel(viewModel, weapon, client)
	local hands = player_manager.RunClass(client, "GetHandsModel");

	if (hands and hands.model) then
		viewModel:SetModel(hands.model);
	end;
end;

ACT_VM_FISTS_DRAW = 3;
ACT_VM_FISTS_HOLSTER = 2;

function SWEP:Deploy()
	if ( !IsValid(self.Owner) ) then
		return;
	end;

	local viewModel = self.Owner:GetViewModel();

	if ( IsValid(viewModel) ) then
		viewModel:SetPlaybackRate(0.5);
		viewModel:ResetSequence(ACT_VM_FISTS_DRAW);
	end;

	return true;
end;

function SWEP:Holster()
	if ( !IsValid(self.Owner) ) then
		return;
	end;

	local viewModel = self.Owner:GetViewModel();

	if ( IsValid(viewModel) ) then
		viewModel:SetPlaybackRate(0.5);
		viewModel:ResetSequence(ACT_VM_FISTS_HOLSTER);
	end;

	return true;
end;

function SWEP:Precache()
	util.PrecacheSound("npc/vort/claw_swing1.wav");
	util.PrecacheSound("npc/vort/claw_swing2.wav");
	util.PrecacheSound("physics/plastic/plastic_box_impact_hard1.wav");
	util.PrecacheSound("physics/plastic/plastic_box_impact_hard2.wav");
	util.PrecacheSound("physics/plastic/plastic_box_impact_hard3.wav");
	util.PrecacheSound("physics/plastic/plastic_box_impact_hard4.wav");
end;

function SWEP:Initialize()
	self:SetWeaponHoldType("fist");
	self.LastHand = 0;
end;

function SWEP:DoPunchAnimation()
	self.LastHand = math.abs(1 - self.LastHand);

	local sequence = 4 + self.LastHand;
	local viewModel = self.Owner:GetViewModel();

	if ( IsValid(viewModel) ) then
		viewModel:SetPlaybackRate(0.525);
		viewModel:SetSequence(sequence);
	end;
end;

function SWEP:PrimaryAttack()
	if ( !IsFirstTimePredicted() ) then
		return
	end

	self:SetNextPrimaryFire(CurTime() + self.Primary.Delay)
	self:EmitSound("npc/vort/claw_swing"..math.random(1, 2)..".wav")

	local damage = self.Primary.Damage

	self:DoPunchAnimation()
	self.Owner:SetAnimation(PLAYER_ATTACK1)
	self.Owner:ViewPunch( Angle(self.LastHand + 2, self.LastHand + 5, 0.125) )

	timer.Simple(0.055, function()
		if (IsValid(self) and IsValid(self.Owner)) then
			local damage = self.Primary.Damage
			local data = {}
					data.start = self.Owner:GetShootPos()
					data.endpos = data.start + self.Owner:GetAimVector()*108
					data.filter = self.Owner
			local trace = util.TraceLine(data)

			if (SERVER and trace.Hit) then
				local entity = trace.Entity

				if (IsValid(entity)) then
					local damageInfo = DamageInfo()
							damageInfo:SetAttacker(self.Owner)
							damageInfo:SetInflictor(self)
							damageInfo:SetDamage(damage)
							damageInfo:SetDamageType(DMG_SLASH)
							damageInfo:SetDamagePosition(trace.HitPos)
							damageInfo:SetDamageForce(self.Owner:GetAimVector()*10000)
					entity:DispatchTraceAttack(damageInfo, data.start, data.endpos)

					self.Owner:EmitSound("physics/body/body_medium_impact_hard"..math.random(1, 6)..".wav", 80)
				end
			end
		end
	end)
end;

function SWEP:SecondaryAttack()
	local trace = self.Owner:GetEyeTraceNoCursor();
	local entity = trace.Entity;

	if ( SERVER and IsValid(entity) and string.find(entity:GetClass(), "door") ) then
		local distance = self.Owner:EyePos():Distance(trace.HitPos);

		if (distance > 72) then
			return;
		end;

		self.Owner:ViewPunch( Angle(-1.3, 1.8, 0) );
		self.Owner:EmitSound("physics/plastic/plastic_box_impact_hard"..math.random(1, 4)..".wav");
		self.Owner:SetAnimation(PLAYER_ATTACK1);

		self:DoPunchAnimation();
		self:SetNextSecondaryFire(CurTime() + 0.4);
		self:SetNextPrimaryFire(CurTime() + 1);
	end;
end;