local dented = {}
local exploded = {}
local explode_decal = {}
local smoke_decal = {}
local oil_decal = {}
local health = {}
local state = {}
local perc = {}
local smoke_size = {}
local explosion_size = {}
local oil_size = {}

--settings to adjust the decal starting and finishing sizes
local min_smoke_size = 200
local max_smoke_size = 1300
local min_explosion_size = 700
local max_explosion_size = 710
local min_oil_size = 100
local max_oil_size = 600


function barrel_explode_custom_init_name(e,name)
weapon_name[e] = tonumber(name)
state[e] = "clean"
smoke_size[e] = min_smoke_size
explosion_size[e] = min_explosion_size
oil_size[e] = min_oil_size
--scale of the barrel (shouldnt be needed, just used to reset the barrel for testing)
Scale(e,100)
end


function barrel_explode_custom_main(e)
--Prompt(g_Entity[e]['health'] - 5000)
if health[e] == nil then
perc[e] = g_Entity[e]['health'] * (weapon_name[e] / 100)
health[e] = 5000+g_Entity[e]['health']
SetEntityHealth(e,5000+g_Entity[e]['health'])
else

if dented[e] == nil then
for a = 1,99999 do
if g_Entity[a] ~= nil then
if weapon_name[a] ~= nil then
if weapon_name[a] == "dented barrel" then
if GetDistance(e,a) < 55 then
dented[e] = a
end
elseif weapon_name[a] == "barrel dead" then
if GetDistance(e,a) < 55 then
exploded[e] = a
end
end
end
end
end

else

if explode_decal[e] == nil then
for a = 1,99999 do
if g_Entity[a] ~= nil then
if weapon_name[a] ~= nil then
if weapon_name[a] == "explosion decal" then
if GetDistance(e,a) < 55 then
explode_decal[e] = a 
end
elseif weapon_name[a] == "smoke decal" then
if GetDistance(e,a) < 55 then
smoke_decal[e] = a 
end
elseif weapon_name[a] == "oil decal" then
if GetDistance(e,a) < 55 then
oil_decal[e] = a 
end
end
end
end
end

else


if state[e] == "clean" then
if g_Entity[e]['health'] - 5000 < perc[e] then
--Hide(e)
Scale(e,60)
Show(dented[e])
state[e] = "dented"
end
elseif state[e] == "dented" then
if g_Entity[e]['health'] < 5000 then
StartTimer(e)
SetEntityHealth(dented[e],0)
Show(exploded[e])
Show(explode_decal[e])
Show(smoke_decal[e])
Show(oil_decal[e])
state[e] = "explode"
end

elseif state[e] == "explode" then
Scale(smoke_decal[e],smoke_size[e])
Scale(explode_decal[e],explosion_size[e])
Scale(oil_decal[e],oil_size[e])
if GetTimer(e) > 1 then
if smoke_size[e] < max_smoke_size then
smoke_size[e] = smoke_size[e] + 1
end
if oil_size[e] < max_oil_size then
oil_size[e] = oil_size[e] + 1 
end
if explosion_size[e] < max_explosion_size then
explosion_size[e] = explosion_size[e] + 1 
else
Hide(explode_decal[e])
end
StartTimer(e)
end

if explosion_size[e] == max_explosion_size and smoke_size[e] == max_smoke_size and oil_size[e] == max_oil_size then
Hide(e)
Hide(exploded[e])
Hide(explode_decal[e])
Hide(oil_decal[e])
Hide(smoke_decal[e])
--PromptDuration("finished",2000)
end

end --state

end --decals set
end --other barrels set
end --health set
end --main


function barrel_explode_custom_exit(e)

end

function GetDistance(e,v)
if g_Entity[e] ~= nil and g_Entity[e] ~= 0 and g_Entity[v] ~= nil and g_Entity[v] ~= 0 then
local disx = g_Entity[e]['x'] - g_Entity[v]['x']
local disz = g_Entity[e]['z'] - g_Entity[v]['z']
local disy = g_Entity[e]['y'] - g_Entity[v]['y']
return math.sqrt(disx^2 + disz^2 + disy^2)
end
end