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path: root/gamemode/itemsystem/items/spell_fireball.lua
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local ITEM = {}
ITEM.Name 			= "Fireball"
ITEM.Class 			= "weapon"
ITEM.Desc 			= "Warning: Warm"
ITEM.Model 			= "models/props_debris/wood_board02a.mdl"
ITEM.Icon 			= Material("wintersurvival2/hud/ws2_icons/icon_spellfireball.png")
ITEM.HoldType		= "magic"

//Load some nessessary stuff
game.AddParticles("particles/particletest.pcf")
PrecacheParticleSystem("firetest")

ITEM.Structure	= {
	{
		Bone	= "ValveBiped.Bip01_R_Hand",
		Model	= "models/props_junk/Rock001a.mdl",
		Size	= Vector(1,1,1),
		Pos 	= Vector(0,0,0),
		Ang 	= Angle(0,0,0),
	},
}

ITEM.Recipe		= {
	Resources = {
		["Plank"] = 2,
		["Rope"] = 1,
		["Sap"] = 1,
	},
	Tools = {},
}

ITEM.CD = 0.25
ITEM.Range = 9999

--[[
	The number of fireballs a player has is held in a global table where each entry is
	[player] = # of fireballs
]]
local NumFireballs = {}
local MaxFireballs = 3

local fireball = {}
fireball["model"] = "models/hunter/blocks/cube025x025x025.mdl"
fireball["speed"] = 700
fireball["drop"] = 50
fireball["init"] = function(fb) fb:Ignite(10) end
fireball["onhit"] = function (self,data,phys)
	local exp = ents.Create("env_explosion")
	exp:SetPos(self:GetPos())
	exp:Fire("Explode","",0)
	exp:Spawn()
	for k,v in pairs(ents.FindInSphere(self:GetPos(),200)) do
		if v.TakeDamage then
			local dmg = (200 - v:GetPos():Distance(self:GetPos())) / 2
			v:TakeDamage(dmg,nil,self)
		end
	end

	self.Remove(self)
end

function ITEM:DoFireball(pl)
	print("Fully successfull fireball callback:")
	print(pl)
	local aim = pl:GetAimVector()

	local D = ents.Create("ws_projectile")
	for k,v in pairs(fireball) do
		D[k] = v
	end

	D:SetPos(pl:GetShootPos() + aim * 50)
	D:SetOwner(pl)
	D:SetAngles(aim:Angle())
	D:Spawn()
	pl:EmitSound(Sound("physics/flesh/flesh_impact_hard.wav"),100,math.random(90,110))
end

function ITEM:OnSecondary(pl,tr)
	ParticleEffect("firetest",pl:GetPos(),pl:GetAngles(),pl)
	if NumFireballs[pl] ~= nil and NumFireballs[pl] > 0 then
		self:DoFireball(pl)
		NumFireballs[pl] = NumFireballs[pl]-1
	end
end

hook.Add("PlayerDeath","remove_fireball_count",function(victim,inflictor,attacker)
	if NumFireballs ~= nil then
		NumFireballs[victim] = 0
	else
		error("Tried to remove fireball count from non-existant table!")
	end
end)

hook.Add("PlayerDisconnected","clean_fireball_count",function(ply)
	NumFireballs[ply] = nil
end)

local fireballfunc = function(num,pl,self)
	print("Fireball func called with ",num,pl,self)
	print("NumFireballs was",NumFireballs)
	if num == 0 then return end
	if NumFireballs[pl] == nil then
		NumFireballs[pl] = 1
	elseif NumFireballs[pl] < MaxFireballs then
		NumFireballs[pl] = NumFireballs[pl] + 1
	end
end

function ITEM:OnPrimary(pl,tr)
	if CLIENT then return end
	print("Attempting to cast...")
	if NumFireballs[pl] == nil or NumFireballs[pl] < 3 then
		pl:Cast("Fireball",fireballfunc,self)
	else
		pl:ChatPrint("You can't summon any more fireballs")
	end
end
RegisterItem(ITEM)