-----------------------------------------
-- ExtraActionBar Version 1.0 by Rock5 --

local extraActionBar_offset

local function checkOffset()
	if not extraActionBar_offset then
		local pattern = string.char(
			0x56,
			0x8B, 0xF1,
			0x8B, 0x86, 0xFF, 0xFF, 0xFF, 0xFF,
			0x85, 0xC0,
			0x57,
			0x74, 0x20)
		local mask = "xxxxx????xxxx"
		local offset = 5
		local startloc = 0x770000

		local found = findPatternInProcess(getProc(), pattern, mask, startloc, 0xA0000);
		if( found == 0 ) then
			error("Unable to find ExtraAction Bar offset. Pattern needs updating.", 0);
		end

		extraActionBar_offset = memoryReadUInt(getProc(), found + offset);
	end
end

function GetExtraActionButtons()
	checkOffset()
	local size = 12
	local tmp = {}

	if RoMScript("ExtraActionBarFrame:IsVisible()") then
		local baseId = memoryReadIntPtr(getProc(),addresses.actionBarPtr,{extraActionBar_offset,0})
		local index = 1
		local buttonId = memoryReadIntPtr(getProc(),addresses.actionBarPtr,{extraActionBar_offset,8})
		repeat
			buttonId = memoryReadIntPtr(getProc(),addresses.actionBarPtr,{extraActionBar_offset,(size* (index-1) + 8)})
			tmp[index] = {
				Id = buttonId,
				Name = GetIdName(buttonId)
			}
			index = index + 1
		until memoryReadIntPtr(getProc(),addresses.actionBarPtr,{extraActionBar_offset,size*(index-1)}) ~= baseId
	end
	return tmp
end

function UseExtraActionButton(_indexNameOrId)
	if not _indexNameOrId then return end

	if type(_indexNameOrId) == "number" and _indexNameOrId < 11 then
		RoMScript("UseExtraAction(".._indexNameOrId..")")
	else
		local ExtraActionsTable = GetExtraActionButtons()
		for index, button in pairs(ExtraActionsTable) do
			if button.Id == _indexNameOrId or button.Name == _indexNameOrId then
				RoMScript("UseExtraAction("..index..")")
				break
			end
		end
	end
end