Binding of Isaac AB+ mod : destroyable devil statue

-- Written by Matrefeytontias
-- This code is free to use in your own mod.
-- The only thing I will ask is that you keep at least those three lines and also credit me in your mod.

local statueDeleted = false
local statueReplaced = false

function "your mod here":checkDevilRoom()
    local room = Game():GetRoom()
    if room:GetType() == RoomType.ROOM_DEVIL then
        local devilIndex = room:GetGridIndex(room:GetCenterPos()) - room:GetGridWidth()
        -- only works in "normal" devil deals (no tiny room or double statue rooms); intentional but you can change that easily by using Isaac.GetRoomEntities()
        -- and searching for the entity that matches the conditions on line 38

        if not statueDeleted then
            -- Remove the statue
            -- First, retrieve the devil statue's entity
            local devilStatue = room:GetGridEntity(devilIndex)
            if devilStatue ~= nil then
                -- 0 is the devil statue variant ; angel statues can still spawn in the devil deal
                if devilStatue.Desc.Type == GridEntityType.GRID_STATUE and devilStatue.Desc.Variant == 0 then
                    -- Remove the statue
                    room:RemoveGridEntity(devilIndex, 0, false) -- any idea what the pathtrail argument (0 here) is for ?
                    -- Spawn a rock in its place when the room has processed the statue's deletion, that is, on the next frame
                    statueDeleted = true
                end
            end
        else
            if not statueReplaced then
                -- At this point, the statue has been removed and a dummy rock needs to be spawned in its place
                room:SpawnGridEntity(devilIndex, GridEntityType.GRID_ROCK, 0, room:GetSpawnSeed(), 0)
                statueReplaced = true
            else
                -- Check if the rock is still there ; if it's not, it has been destroyed so we also remove the devil statue
                if room:GetGridCollision(devilIndex) == GridCollisionClass.COLLISION_NONE then
                    local ents = Isaac.GetRoomEntities()
                    for i = 1, #ents do
                        if ents[i].Type == EntityType.ENTITY_EFFECT and ents[i].Variant == EffectVariant.DEVIL then
                            ents[i]:Remove()
                            -- ##################
                            -- do your stuff here, the statue just got destroyed
                            -- ##################
                            break
                        end
                    end
                    statueDeleted = false
                    statueReplaced = false
                end
            end
        end
    end
end

"your mod here":AddCallback(ModCallbacks.MC_POST_UPDATE, "your mod here".checkDevilRoom)