local assets =
{
    Asset("ANIM", "anim/books.zip"),

	Asset("ATLAS", "images/inventoryimages/book_rabbit.xml"),
    Asset("IMAGE", "images/inventoryimages/book_rabbit.tex"),

}

local prefabs =
{
    "book_fx",
}

local rabbit_uses = 5

local max_rabbits = 20

local med_rabbits = 10

local function getspawnpoint(pt)

    local theta = math.random() * 2 * PI
    local radius = 6+math.random()*6

    local result_offset = FindValidPositionByFan(theta, radius, 12, function(offset)
        local ground = GetWorld()
        local spawn_point = pt + offset
        if not (ground.Map and ground.Map:GetTileAtPoint(spawn_point.x, spawn_point.y, spawn_point.z) == GROUND.IMPASSABLE) then
            return true
        end
        return false
    end)

    if result_offset then
        return pt+result_offset
    end
end

local function rabbitfn(inst, reader)

    reader.components.sanity:DoDelta(-TUNING.SANITY_HUGE)
    local num = 20 + math.random(10)

    local x, y, z = reader.Transform:GetWorldPosition()
    local ents = TheSim:FindEntities(x,y,z, 10, nil, nil, {'magicalrabbit'})
    if #ents > max_rabbits then
        num = 0
        reader.components.talker:Say(GetString(reader.prefab, "There's too many rabbits already!"))
    elseif #ents > med_rabbits then
        reader.components.talker:Say(GetString(reader.prefab, "There's already a lot of rabbits."))
        num = 10 + math.random(10)
    end

    if num > 0 then
        reader:StartThread(function()
            for k = 1, num do
                local pt = getspawnpoint(Vector3(reader.Transform:GetWorldPosition()))
                if pt then
                    local rabbit = SpawnPrefab("rabbit")
                    rabbit:AddTag("magicalrabbit")
					 local spawn_point = Vector3(pt.x, pt.y, pt.z)
                    rabbit.Transform:SetPosition(spawn_point)
                end
                Sleep(math.random(.2, .25))
            end
        end)
    end

    return true

end

local function onfinished(inst)
    inst:Remove()
end

local function fn(Sim)

    local inst = CreateEntity()
    local trans = inst.entity:AddTransform()
    local anim = inst.entity:AddAnimState()
    local sound = inst.entity:AddSoundEmitter()
    anim:SetBank("books")
    anim:SetBuild("books")

    anim:PlayAnimation(name)
    MakeInventoryPhysics(inst)

    -----------------------------------

    inst:AddComponent("inspectable")
    inst:AddComponent("book")
    inst.components.book.onread = rabbitfn

    inst:AddComponent("characterspecific")
    inst.components.characterspecific:SetOwner("wickerbottom")

    inst:AddComponent("inventoryitem")
	inst.components.inventoryitem.imagename = "book_rabbit"
    inst.components.inventoryitem.atlasname = "images/inventoryimages/book_rabbit.xml"

    inst:AddComponent("finiteuses")
    inst.components.finiteuses:SetMaxUses(rabbit_uses)
    inst.components.finiteuses:SetUses(rabbit_uses)
    inst.components.finiteuses:SetOnFinished(onfinished)

    MakeSmallBurnable(inst)
    MakeSmallPropagator(inst)

    return inst

end

return Prefab( "common/book_rabbit", fn, assets, prefabs)