APDS ammo

AddCSLuaFile()

ACF.AmmoBlacklist.APDS =  { "ATR", "MO", "RM", "SL", "GL", "HW", "MG", "SC", "BOMB" , "GBU", "ASM", "AAM", "SAM", "UAR", "POD", "FFAR"} -- Yes, I know I left the flare launcher out, deal with it

local Round = {}

Round.type = "Ammo" --Tells the spawn menu what entity to spawn
Round.name = "Armour Piercing Discarding Sabot (APDS)" --Human readable name
Round.model = "models/munitions/dart_100mm.mdl" --Shell flight model
Round.desc = "A shell that contains a subcaliber round, dedicated to penetrating heavy armour, if fired out a smoothbore then the round is fin stabilized and recieves an accuracy boost and richochets less"
Round.netid = 9 --Unique ammotype ID for network transmission

function Round.create( Gun, BulletData )

			ACF_CreateBullet( BulletData )

end

-- Function to convert the player's slider data into the complete round data
function Round.convert( Crate, PlayerData )

	local Data = {}
	local ServerData = {}
	local GUIData = {}

	if not PlayerData.PropLength then PlayerData.PropLength = 0 end
	if not PlayerData.ProjLength then PlayerData.ProjLength = 0 end
	if not PlayerData.SCalMult then PlayerData.SCalMult = 0.5 end
	if not PlayerData["Data5"] then PlayerData["Data5"] = 0.5 end --caliber in mm count
	if not PlayerData.Data10 then PlayerData.Data10 = 0 end

	PlayerData, Data, ServerData, GUIData = ACF_RoundBaseGunpowder( PlayerData, Data, ServerData, GUIData )

	local GunClass = ACF.Weapons["Guns"][(Data["Id"] or PlayerData["Id"])]["gunclass"]

	if GunClass == "AC" then
	Data.MinCalMult = 0.35
	Data.MaxCalMult = 1.0
	Data.PenModifier = 2 -- Autocannons are puny anyways
	Data.VelModifier = 1.6
	Data.Ricochet = 55
	elseif GunClass == "RAC" then
	Data.MinCalMult = 0.5
	Data.MaxCalMult = 1.0
	Data.PenModifier = 1.8
	Data.VelModifier = 1.7
	Data.Ricochet = 50
	elseif GunClass == "HRAC" then
	Data.MinCalMult = 0.5
	Data.MaxCalMult = 1.0
	Data.PenModifier = 1.9
	Data.VelModifier = 1.7
	Data.Ricochet = 50
	elseif GunClass == "SA" then
	Data.MinCalMult = 0.3
	Data.MaxCalMult = 1.0
	Data.PenModifier = 2
	Data.VelModifier = 1.6
	Data.Ricochet = 60
	elseif GunClass == "C" then
	Data.MinCalMult = 0.28
	Data.MaxCalMult = 1.0
	Data.PenModifier = 1.35
	Data.VelModifier = 1
	Data.Ricochet = 62
	else
	Data.MinCalMult = 0.25
	Data.MaxCalMult = 1.0
	Data.PenModifier = 1
	Data.VelModifier = 1
	Data.Ricochet = 68
	end

	Data.SCalMult = PlayerData["Data5"]
	Data.SubFrAera = Data.FrAera * math.min(PlayerData.Data5,Data.MaxCalMult)^2
	Data.ProjMass = Data.SubFrAera * (Data.ProjLength*7.9/1000) * 2.5 --Volume of the projectile as a cylinder * density of steel
	Data.ShovePower = 0.2
	Data.PenAera = (Data.PenModifier*Data.SubFrAera)^ACF.PenAreaMod

	Data.DragCoef = ((Data.SubFrAera/10000)/Data.ProjMass)
	Data.CaliberMod = Data.Caliber*math.min(PlayerData.Data5,Data.MaxCalMult)
	Data.LimitVel = 1000										--Most efficient penetration speed in m/s
	Data.KETransfert = 0.2									--Kinetic energy transfert to the target for movement purposes
	Data.MuzzleVel = ACF_MuzzleVelocity( Data.PropMass * 0.5 , Data.ProjMass*2.5, Data.Caliber )* Data.VelModifier
	Data.BoomPower = Data.PropMass

	if SERVER then --Only the crates need this part
		ServerData.Id = PlayerData.Id
		ServerData.Type = PlayerData.Type
		return table.Merge(Data,ServerData)
	end

	if CLIENT then --Only tthe GUI needs this part
		GUIData = table.Merge(GUIData, Round.getDisplayData(Data))
		return table.Merge(Data,GUIData)
	end

end


function Round.getDisplayData(Data)
	local GUIData = {}
	local Energy = ACF_Kinetic( Data.MuzzleVel*39.37 , Data.ProjMass, Data.LimitVel )
	GUIData.MaxPen = (Energy.Penetration/Data.PenAera)*ACF.KEtoRHA
	return GUIData
end



function Round.network( Crate, BulletData )

	Crate:SetNWString( "AmmoType", "APDS" )
	Crate:SetNWString( "AmmoID", BulletData.Id )
	Crate:SetNWFloat( "Caliber", BulletData.Caliber )
	Crate:SetNWFloat( "ProjMass", BulletData.ProjMass )
	Crate:SetNWFloat( "PropMass", BulletData.PropMass )
	Crate:SetNWFloat( "DragCoef", BulletData.DragCoef )
	Crate:SetNWFloat( "MuzzleVel", BulletData.MuzzleVel )
	Crate:SetNWFloat( "Tracer", BulletData.Tracer )

end

function Round.cratetxt( BulletData )

	--local FrAera = BulletData.FrAera
	local DData = Round.getDisplayData(BulletData)

	--fakeent.ACF.Armour = DData.MaxPen or 0
	--fakepen.Penetration = (DData.MaxPen * FrAera) / ACF.KEtoRHA
	--local fakepen = ACF_Kinetic( BulletData.SlugMV*39.37 , BulletData.SlugMass, 9999999 )
	--local MaxHP = ACF_CalcDamage( fakeent , fakepen , FrAera , 0 )

	--[[
	local TotalMass = BulletData.ProjMass + BulletData.PropMass
	local MassUnit

	if TotalMass < 0.1 then
		TotalMass = TotalMass * 1000
		MassUnit = " g"
	else
		MassUnit = " kg"
	end
	]]--

	local str =
	{
		--"Cartridge Mass: ", math.Round(TotalMass, 2), MassUnit, "\n",
		"Muzzle Velocity: ", math.Round(BulletData.MuzzleVel, 1), " m/s\n",
		"Max Penetration: ", math.floor(DData.MaxPen), " mm"
		--"Max Pen. Damage: ", math.Round(MaxHP.Damage, 1), " HP\n",
	}

	return table.concat(str)

end

function Round.propimpact( Index, Bullet, Target, HitNormal, HitPos, Bone )

	if ACF_Check( Target ) then

		local Speed = Bullet.Flight:Length() / ACF.VelScale
		local Energy = ACF_Kinetic( Speed , Bullet.ProjMass, Bullet.LimitVel )
		local HitRes = ACF_RoundImpact( Bullet, Speed, Energy, Target, HitPos, HitNormal , Bone )

		if HitRes.Overkill > 0 then
			table.insert( Bullet.Filter , Target )					--"Penetrate" (Ingoring the prop for the retry trace)
			ACF_Spall( HitPos , Bullet.Flight , Bullet.Filter , Energy.Kinetic*HitRes.Loss , Bullet.Caliber , Target.ACF.Armour , Bullet.Owner ) --Do some spalling
			Bullet.Flight = Bullet.Flight:GetNormalized() * (Energy.Kinetic*(1-HitRes.Loss)*2000/Bullet.ProjMass)^0.5 * 39.37
			return "Penetrated"
		elseif HitRes.Ricochet then
			return "Ricochet"
		else
			return false
		end
	else
		table.insert( Bullet.Filter , Target )
	return "Penetrated" end

end

function Round.worldimpact( Index, Bullet, HitPos, HitNormal )

	local Energy = ACF_Kinetic( Bullet.Flight:Length() / ACF.VelScale, Bullet.ProjMass, Bullet.LimitVel )
	local HitRes = ACF_PenetrateGround( Bullet, Energy, HitPos, HitNormal )
	if HitRes.Penetrated then
		return "Penetrated"
	elseif HitRes.Ricochet then
		return "Ricochet"
	else
		return false
	end

end

function Round.endflight( Index, Bullet, HitPos )

	ACF_RemoveBullet( Index )

end

-- Bullet stops here
function Round.endeffect( Effect, Bullet )

	local Spall = EffectData()
		Spall:SetEntity( Bullet.Crate )
		Spall:SetOrigin( Bullet.SimPos )
		Spall:SetNormal( (Bullet.SimFlight):GetNormalized() )
		Spall:SetScale( Bullet.SimFlight:Length() )
		Spall:SetMagnitude( Bullet.RoundMass )
	util.Effect( "ACF_AP_Impact", Spall )

end

-- Bullet penetrated something
function Round.pierceeffect( Effect, Bullet )

	local Spall = EffectData()
		Spall:SetEntity( Bullet.Crate )
		Spall:SetOrigin( Bullet.SimPos )
		Spall:SetNormal( (Bullet.SimFlight):GetNormalized() )
		Spall:SetScale( Bullet.SimFlight:Length() )
		Spall:SetMagnitude( Bullet.RoundMass )
	util.Effect( "ACF_AP_Penetration", Spall )

end

-- Bullet ricocheted off something
function Round.ricocheteffect( Effect, Bullet )

	local Spall = EffectData()
		Spall:SetEntity( Bullet.Crate )
		Spall:SetOrigin( Bullet.SimPos )
		Spall:SetNormal( (Bullet.SimFlight):GetNormalized() )
		Spall:SetScale( Bullet.SimFlight:Length() )
		Spall:SetMagnitude( Bullet.RoundMass )
	util.Effect( "ACF_AP_Ricochet", Spall )

end

function Round.guicreate( Panel, Table )

	acfmenupanel:AmmoSelect( ACF.AmmoBlacklist.APDS )

	acfmenupanel:CPanelText("BonusDisplay", "")

	acfmenupanel:CPanelText("Desc", "")	--Description (Name, Desc)
	acfmenupanel:CPanelText("LengthDisplay", "")	--Total round length (Name, Desc)

	acfmenupanel:AmmoSlider("PropLength",0,0,1000,3, "Propellant Length", "")	--Propellant Length Slider (Name, Value, Min, Max, Decimals, Title, Desc)
	acfmenupanel:AmmoSlider("ProjLength",0,0,1000,3, "Projectile Length", "")	--Projectile Length Slider (Name, Value, Min, Max, Decimals, Title, Desc)
	acfmenupanel:AmmoSlider("SCalMult",0,0,1000,2, "Subcaliber Size Multiplier", "")--Subcaliber Slider (Name, Value, Min, Max, Decimals, Title, Desc)

	acfmenupanel:CPanelText("VelocityDisplay", "")	--Proj muzzle velocity (Name, Desc)
	--acfmenupanel:CPanelText("RicoDisplay", "")	--estimated rico chance
	acfmenupanel:CPanelText("PenetrationDisplay", "")	--Proj muzzle penetration (Name, Desc)

	Round.guiupdate( Panel, Table )

end

function Round.guiupdate( Panel, Table )

	local PlayerData = {}
		PlayerData.Id = acfmenupanel.AmmoData.Data.id			--AmmoSelect GUI
		PlayerData.Type = "APDS"										--Hardcoded, match ACFRoundTypes table index
		PlayerData.PropLength = acfmenupanel.AmmoData.PropLength	--PropLength slider
		PlayerData.ProjLength = acfmenupanel.AmmoData.ProjLength	--ProjLength slider
		PlayerData.Data5 = acfmenupanel.AmmoData.SCalMult
		PlayerData.Data10 = 0
	local Data = Round.convert( Panel, PlayerData )

	RunConsoleCommand( "acfmenu_data1", acfmenupanel.AmmoData.Data.id )
	RunConsoleCommand( "acfmenu_data2", PlayerData.Type )
	RunConsoleCommand( "acfmenu_data3", Data.PropLength )		--For Gun ammo, Data3 should always be Propellant
	RunConsoleCommand( "acfmenu_data4", Data.ProjLength )		--And Data4 total round mass
	RunConsoleCommand( "acfmenu_data5", Data.SCalMult )
	RunConsoleCommand( "acfmenu_data10", 0 )

	local vol = ACF.Weapons.Ammo[acfmenupanel.AmmoData["Id"]].volume
	local CapMul = (vol > 46000) and ((math.log(vol*0.00066)/math.log(2)-4)*0.125+1) or 1
	local RoFMul = (vol > 46000) and (1-(math.log(vol*0.00066)/math.log(2)-4)*0.05) or 1
	local Cap = math.floor(CapMul * vol * 0.11 * ACF.AmmoMod * 16.38 / Data.RoundVolume)

	acfmenupanel:CPanelText("BonusDisplay", "Crate info: +"..(math.Round((CapMul-1)*100,1)).."% capacity, +"..(math.Round((RoFMul-1)*-100,1)).."% RoF\nContains "..Cap.." rounds")

	acfmenupanel:AmmoSlider("PropLength",Data.PropLength,Data.MinPropLength,Data.MaxTotalLength,3, "Propellant Length", "Propellant Mass : "..(math.floor(Data.PropMass*1000)).." g" )	--Propellant Length Slider (Name, Min, Max, Decimals, Title, Desc)
	acfmenupanel:AmmoSlider("ProjLength",Data.ProjLength,Data.MinProjLength,Data.MaxTotalLength,3, "Projectile Length", "Projectile Mass : "..(math.floor(Data.ProjMass*1000)).." g")	--Projectile Length Slider (Name, Min, Max, Decimals, Title, Desc)

	acfmenupanel:AmmoSlider("SCalMult",Data.SCalMult,Data.MinCalMult,Data.MaxCalMult,2, "Subcaliber Size Multiplier", "Caliber : "..math.floor(Data.Caliber * math.min(PlayerData.Data5,Data.MaxCalMult)*10).." mm")--Subcaliber round slider (Name, Min, Max, Decimals, Title, Desc)


	acfmenupanel:CPanelText("Desc", ACF.RoundTypes[PlayerData.Type].desc)	--Description (Name, Desc)
	acfmenupanel:CPanelText("LengthDisplay", "Round Length : "..(math.floor((Data.PropLength+Data.ProjLength)*100)/100).."/"..(Data.MaxTotalLength).." cm")	--Total round length (Name, Desc)
	acfmenupanel:CPanelText("VelocityDisplay", "Muzzle Velocity : "..math.floor(Data.MuzzleVel*ACF.VelScale).." m\\s")	--Proj muzzle velocity (Name, Desc)

	--local RicoAngs = ACF_RicoProbability( Data.Ricochet, Data.MuzzleVel*ACF.VelScale )
	--acfmenupanel:CPanelText("RicoDisplay", "Ricochet probability vs impact angle:\n".."    0% @ "..RicoAngs.Min.." degrees\n  50% @ "..RicoAngs.Mean.." degrees\n100% @ "..RicoAngs.Max.." degrees")

	local R1V, R1P = ACF_PenRanging( Data.MuzzleVel, Data.DragCoef, Data.ProjMass, Data.PenAera, Data.LimitVel, 300 )
	local R2V, R2P = ACF_PenRanging( Data.MuzzleVel, Data.DragCoef, Data.ProjMass, Data.PenAera, Data.LimitVel, 800 )

	acfmenupanel:CPanelText("PenetrationDisplay", "Maximum Penetration : "..math.floor(Data.MaxPen).." mm RHA\n\n300m pen: "..math.Round(R1P,0).."mm @ "..math.Round(R1V,0).." m\\s\n800m pen: "..math.Round(R2P,0).."mm @ "..math.Round(R2V,0).." m\\s\n\nThe range data is an approximation and may not be entirely accurate.")	--Proj muzzle penetration (Name, Desc)


end

list.Set( "ACFRoundTypes", "APDS", Round )  --Set the round properties
list.Set( "ACFIdRounds", Round.netid, "APDS" ) --Index must equal the ID entry in the table above, Data must equal the index of the table above