ConvertVMF

-- This converts a Source Engine .VMF Hammer File into a readable table in Lua.

-- Example VMF File String.
-- http://pastebin.com/ib6RtFDk
-- This function just parses the file (as a string) into a table.
-- If there's a better version for this stuff online, please for the love of god let me know lol.

function ConvertVMF(file)
    local fileConv = {}
    local current = 0
    local stack = 0
    local stackRefs = {[0] = fileConv}
    local lines = {}
    for line in string.gmatch(file,"[^\r\n]+") do
        table.insert(lines,line)
    end
    while current <= #lines do
        current = current + 1
        local line = lines[current]
        if line then
            local tabs = 0
            for i in string.gmatch(line,"\t") do
                tabs = tabs + 1
            end
            local k,v = string.match(line,'%"(.-)%" %"(.-)%"')
            if k and v then
                stackRefs[stack][k] = tonumber(v) or v
            elseif string.find(line,"{") then
                local previousLine = lines[current-1]
                local nextLine = lines[current+1]
                if previousLine and nextLine then
                    local f,l = string.find(previousLine,string.rep("\t",tabs))
                    if f and l then
                        local id = string.match(nextLine,'"id" %"(.-)%"')
                        local key = string.sub(previousLine,l+1)
                        if id then
                            current = current + 1
                            key = key..id
                        end
                        local loc = stackRefs[stack]
                        local self = {}
                        stack = stack + 1
                        stackRefs[stack] = self
                        loc[key] = self
                    end
                end
            elseif string.find(line,"}") then
                stackRefs[stack] = nil
                stack = stack - 1
            end
        end
    end
    return fileConv
end