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Dedup trainer craft scans to prevent open freeze

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DuvelCorp
2026-09-14 22:38:06 +02:00
parent 4770724f60
commit 0aaa49f33b
1 changed files with 28 additions and 0 deletions
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api/core-scan-beasttraining.lua
+28
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@@ -705,6 +705,24 @@ MTH_PT_IsPetBookVisible = function()
return false
end
-- Cheap content signature of the trainer's craft rows, so repeated reads of the
-- same list (multiple CRAFT_UPDATE / open events) don't each pay for a full,
-- datastore-wide re-scan (that pile-up was freezing the client).
local MTH_PT_LastScanSignature = nil
local function MTH_PT_ComputeCraftSignature()
local getNumCrafts = MTH_PT_GetGlobal("GetNumCrafts")
local getCraftInfo = MTH_PT_GetGlobal("GetCraftInfo")
if type(getNumCrafts) ~= "function" or type(getCraftInfo) ~= "function" then return nil end
local total = tonumber(getNumCrafts()) or 0
if total <= 0 then return nil end
local parts = { tostring(total) }
for i = 1, total do
local name, sub, ctype = getCraftInfo(i)
table.insert(parts, tostring(name or "") .. "~" .. tostring(sub or "") .. "~" .. tostring(ctype or ""))
end
return table.concat(parts, "|")
end
local function MTH_PT_RunDoubleScan(triggerBase)
local triggerText = tostring(triggerBase or "")
local feedbackOnOpen = (
@@ -728,9 +746,15 @@ local function MTH_PT_RunDoubleScan(triggerBase)
return false
end
local signature = MTH_PT_ComputeCraftSignature()
if signature and signature == MTH_PT_LastScanSignature then
if MTH_PT_DebugLog then MTH_PT_DebugLog("scan skipped (unchanged signature): trigger=" .. triggerText) end
return true
end
local t0 = time()
local ok, added, baselines, ranks = MTH_PT_ApplyScan(triggerText .. ":single")
local t1 = time()
if ok and signature then MTH_PT_LastScanSignature = signature end
if MTH_PT_DebugLog then
MTH_PT_DebugLog("scan complete: trigger=" .. tostring(triggerBase or "") .. " ok=" .. tostring(ok and true or false) .. " dt=" .. tostring((t1 or 0) - (t0 or 0)) .. "s")
@@ -885,6 +909,10 @@ function MTH_PT_InitService()
MTH_PT_RunDoubleScanThrottled("beast-training-rows-present", 8)
end
if (not hasRows) and MTH_PT_TrainingRowsWerePresent then
-- Trainer closed: allow one fresh scan the next time it opens.
MTH_PT_LastScanSignature = nil
end
MTH_PT_TrainingRowsWerePresent = hasRows
MTH_PT_LastTrainingRowCount = rowCount