-- Variables that are used on both client and server

SWEP.PrintName		= "#GMOD_ToolGun"
SWEP.Author			= ""
SWEP.Contact		= ""
SWEP.Purpose		= ""
SWEP.Instructions	= ""

SWEP.ViewModel		= "models/weapons/c_toolgun.mdl"
SWEP.WorldModel		= "models/weapons/w_toolgun.mdl"

SWEP.UseHands		= true
SWEP.Spawnable		= true

-- Be nice, precache the models
util.PrecacheModel( SWEP.ViewModel )
util.PrecacheModel( SWEP.WorldModel )

-- Todo, make/find a better sound.
SWEP.ShootSound = Sound( "Airboat.FireGunRevDown" )

SWEP.Tool = {}

SWEP.Primary.ClipSize = -1
SWEP.Primary.DefaultClip = -1
SWEP.Primary.Automatic = false
SWEP.Primary.Ammo = "none"

SWEP.Secondary.ClipSize = -1
SWEP.Secondary.DefaultClip = -1
SWEP.Secondary.Automatic = false
SWEP.Secondary.Ammo = "none"

SWEP.CanHolster = true
SWEP.CanDeploy = true

function SWEP:InitializeTools()

	local temp = {}

	for k,v in pairs( self.Tool ) do

		temp[k] = table.Copy( v )
		temp[k].SWEP = self
		temp[k].Owner = self.Owner
		temp[k].Weapon = self.Weapon
		temp[k]:Init()

	end

	self.Tool = temp

end

function SWEP:SetupDataTables()

	self:NetworkVar( "Entity", 0, "TargetEntity1" )
	self:NetworkVar( "Entity", 1, "TargetEntity2" )
	self:NetworkVar( "Entity", 2, "TargetEntity3" )
	self:NetworkVar( "Entity", 3, "TargetEntity4" )

end

-- Convenience function to check object limits
function SWEP:CheckLimit( str )
	return self:GetOwner():CheckLimit( str )
end

function SWEP:Initialize()

	self:SetHoldType( "revolver" )

	self:InitializeTools()

	-- We create these here. The problem is that these are meant to be constant values.
	-- in the toolmode they're not because some tools can be automatic while some tools aren't.
	-- Since this is a global table it's shared between all instances of the gun.
	-- By creating new tables here we're making it so each tool has its own instance of the table
	-- So changing it won't affect the other tools.

	self.Primary = {
		ClipSize = -1,
		DefaultClip = -1,
		Automatic = false,
		Ammo = "none"
	}

	self.Secondary = {
		ClipSize = -1,
		DefaultClip = -1,
		Automatic = false,
		Ammo = "none"
	}

end

function SWEP:OnRestore()

	self:InitializeTools()

end

function SWEP:Precache()

	util.PrecacheSound( self.ShootSound )

end

function SWEP:Reload()

	-- This makes the reload a semi-automatic thing rather than a continuous thing
	if ( !self.Owner:KeyPressed( IN_RELOAD ) ) then return end

	local mode = self:GetMode()
	local trace = self.Owner:GetEyeTrace()
	if ( !trace.Hit ) then return end

	local tool = self:GetToolObject()
	if ( !tool ) then return end

	tool:CheckObjects()

	-- Does the server setting say it's ok?
	if ( !tool:Allowed() ) then return end

	-- Ask the gamemode if it's ok to do this
	if ( !gamemode.Call( "CanTool", self.Owner, trace, mode ) ) then return end

	if ( !tool:Reload( trace ) ) then return end

	self:DoShootEffect( trace.HitPos, trace.HitNormal, trace.Entity, trace.PhysicsBone, IsFirstTimePredicted() )

end

-- Returns the mode we're in
function SWEP:GetMode()

	return self.Mode

end

-- Think does stuff every frame
function SWEP:Think()

	local owner = self:GetOwner()
	if ( !owner:IsPlayer() ) then return end

	local curmode = owner:GetInfo( "gmod_toolmode" )
	self.Mode = curmode

	local tool = self:GetToolObject( curmode )
	if ( !tool ) then return end

	tool:CheckObjects()

	local lastmode = self.current_mode
	self.last_mode = lastmode
	self.current_mode = curmode

	-- Release ghost entities if we're not allowed to use this new mode?
	if ( !tool:Allowed() ) then
		if ( lastmode ) then
			local lastmode_obj = self:GetToolObject( lastmode )

			if ( lastmode_obj ) then
				lastmode_obj:ReleaseGhostEntity()
			end
		end

		return
	end

	if ( lastmode && lastmode != curmode ) then
		local lastmode_obj = self:GetToolObject( lastmode )

		if ( lastmode_obj ) then
			-- We want to release the ghost entity just in case
			lastmode_obj:Holster()
		end
	end

	self.Primary.Automatic = tool.LeftClickAutomatic || false
	self.Secondary.Automatic = tool.RightClickAutomatic || false
	self.RequiresTraceHit = tool.RequiresTraceHit || true

	tool:Think()

end

-- The shoot effect
function SWEP:DoShootEffect( hitpos, hitnormal, entity, physbone, bFirstTimePredicted )

	self:EmitSound( self.ShootSound )
	self:SendWeaponAnim( ACT_VM_PRIMARYATTACK ) -- View model animation

	-- There's a bug with the model that's causing a muzzle to
	-- appear on everyone's screen when we fire this animation.
	self.Owner:SetAnimation( PLAYER_ATTACK1 ) -- 3rd Person Animation

	if ( !bFirstTimePredicted ) then return end
	if ( GetConVarNumber( "gmod_drawtooleffects" ) == 0 ) then return end

	local effectdata = EffectData()
	effectdata:SetOrigin( hitpos )
	effectdata:SetNormal( hitnormal )
	effectdata:SetEntity( entity )
	effectdata:SetAttachment( physbone )
	util.Effect( "selection_indicator", effectdata )

	local effectdata = EffectData()
	effectdata:SetOrigin( hitpos )
	effectdata:SetStart( self.Owner:GetShootPos() )
	effectdata:SetAttachment( 1 )
	effectdata:SetEntity( self )
	util.Effect( "ToolTracer", effectdata )

end

-- Trace a line then send the result to a mode function
function SWEP:PrimaryAttack()

	local mode = self:GetMode()
	local tr = util.GetPlayerTrace( self.Owner )
	tr.mask = bit.bor( CONTENTS_SOLID, CONTENTS_MOVEABLE, CONTENTS_MONSTER, CONTENTS_WINDOW, CONTENTS_DEBRIS, CONTENTS_GRATE, CONTENTS_AUX )
	local trace = util.TraceLine( tr )
	if ( !trace.Hit ) then return end

	local tool = self:GetToolObject()
	if ( !tool ) then return end

	tool:CheckObjects()

	-- Does the server setting say it's ok?
	if ( !tool:Allowed() ) then return end

	-- Ask the gamemode if it's ok to do this
	if ( !gamemode.Call( "CanTool", self.Owner, trace, mode ) ) then return end

	if ( !tool:LeftClick( trace ) ) then return end

	self:DoShootEffect( trace.HitPos, trace.HitNormal, trace.Entity, trace.PhysicsBone, IsFirstTimePredicted() )

end

function SWEP:SecondaryAttack()

	local mode = self:GetMode()
	local tr = util.GetPlayerTrace( self.Owner )
	tr.mask = bit.bor( CONTENTS_SOLID, CONTENTS_MOVEABLE, CONTENTS_MONSTER, CONTENTS_WINDOW, CONTENTS_DEBRIS, CONTENTS_GRATE, CONTENTS_AUX )
	local trace = util.TraceLine( tr )
	if ( !trace.Hit ) then return end

	local tool = self:GetToolObject()
	if ( !tool ) then return end

	tool:CheckObjects()

	-- Ask the gamemode if it's ok to do this
	if ( !tool:Allowed() ) then return end
	if ( !gamemode.Call( "CanTool", self.Owner, trace, mode ) ) then return end

	if ( !tool:RightClick( trace ) ) then return end

	self:DoShootEffect( trace.HitPos, trace.HitNormal, trace.Entity, trace.PhysicsBone, IsFirstTimePredicted() )

end

function SWEP:Holster()

	-- Just do what the SWEP wants to do if there's no tool
	if ( !self:GetToolObject() ) then return self.CanHolster end

	local CanHolster = self:GetToolObject():Holster()
	if ( CanHolster ~= nil ) then return CanHolster end

	return self.CanHolster

end

-- Delete ghosts here in case the weapon gets deleted all of a sudden somehow
function SWEP:OnRemove()

	if ( !self:GetToolObject() ) then return end

	self:GetToolObject():ReleaseGhostEntity()

end


-- This will remove any ghosts when a player dies and drops the weapon
function SWEP:OwnerChanged()

	if ( !self:GetToolObject() ) then return end

	self:GetToolObject():ReleaseGhostEntity()

end

-- Deploy
function SWEP:Deploy()

	-- Just do what the SWEP wants to do if there is no tool
	if ( !self:GetToolObject() ) then return self.CanDeploy end

	self:GetToolObject():UpdateData()

	local CanDeploy = self:GetToolObject():Deploy()
	if ( CanDeploy ~= nil ) then return CanDeploy end

	return self.CanDeploy

end

function SWEP:GetToolObject( tool )

	local mode = tool or self:GetMode()

	if ( !self.Tool[ mode ] ) then return false end

	return self.Tool[ mode ]

end

function SWEP:FireAnimationEvent( pos, ang, event, options )

	-- Disables animation based muzzle event
	if ( event == 21 ) then return true end
	-- Disable thirdperson muzzle flash
	if ( event == 5003 ) then return true end

end

include( "stool.lua" )