108 lines
2.3 KiB
Lua
108 lines
2.3 KiB
Lua
-- octp --
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saveFileBuffer = edizon.getSaveFileBuffer()
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cachedOffset = {}
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function getOffsetKey()
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local strArgs = edizon.getStrArgs()
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local intArgs = edizon.getIntArgs()
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local offsetKey = strArgs[1]
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if strArgs[3] then
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offsetKey = strArgs[3].."$|$|"..(strArgs[1] or 0).."$|$|"..(intArgs[3] or 1)
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end
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return offsetKey
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end
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function getOffset()
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local strArgs = edizon.getStrArgs()
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local intArgs = edizon.getIntArgs()
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local offsetKey = getOffsetKey()
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local indirectAddress = tonumber(strArgs[1], 16)
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local searchString = strArgs[3]
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if cachedOffset[offsetKey] ~= nil then
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return cachedOffset[offsetKey]
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end
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local addressSize = intArgs[1]
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local offset = 0
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if searchString ~= nil and searchString ~= '' then
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local resultNum = intArgs[3] or 1
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local start = 1
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if cachedOffset[searchString.."$|$|"..(resultNum-1)] ~= nil then
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start = cachedOffset[searchString.."$|$|"..(resultNum-1)]+2
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resultNum = 1
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else
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start = indirectAddress+1
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end
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searchTable = { searchString:byte(1, -1) }
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searchSize = searchString:len()
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local found = 0
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for i = start, #saveFileBuffer do
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if i - 1 + searchSize > #saveFileBuffer then
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break
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end
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for j = 1, searchSize do
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c = saveFileBuffer[i + j -1]
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if c ~= searchTable[j] then
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break
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end
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if j == searchSize then
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found = found + 1
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end
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end
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if found == resultNum then
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offset = i - 1
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break
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end
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end
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elseif indirectAddress ~= 0 then
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for i = 0, addressSize - 1 do
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offset = offset | (saveFileBuffer[indirectAddress + i + 1] << i * 8)
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end
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end
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cachedOffset[offsetKey] = offset
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return offset
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end
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function getValueFromSaveFile()
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local strArgs = edizon.getStrArgs()
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local intArgs = edizon.getIntArgs()
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local address = tonumber(strArgs[2], 16)
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local valueSize = intArgs[2]
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local offset = getOffset()
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local value = 0
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for i = 0, valueSize - 1 do
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value = value | (saveFileBuffer[offset + address + i + 1] << i * 8)
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end
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return value
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end
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function setValueInSaveFile(value)
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local strArgs = edizon.getStrArgs()
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local intArgs = edizon.getIntArgs()
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local address = tonumber(strArgs[2], 16)
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local valueSize = intArgs[2]
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local offset = getOffset()
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for i = 0, valueSize - 1 do
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saveFileBuffer[offset + address + i + 1] = (value & (0xFF << i * 8)) >> (i * 8)
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end
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end
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function getModifiedSaveFile()
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return saveFileBuffer
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end
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