fov.lua

-- convert VET/ETPro FOV to ETLegacy

function et_InitGame(levelTime, randomSeed, restart)
	et.RegisterModname("fov.lua "..et.FindSelf())
end

function et_ClientCommand(id, cmd)
	if et.trap_Argv(0) == "say" then
		args = et.ConcatArgs(1)
		local args_table = {}
		cnt = 0
		for i in string.gmatch(args, "%S+") do
			table.insert(args_table, i)
			cnt = cnt + 1
		end

		local function roundNum(num, n)
			local mult = 10^(n or 0)
			return math.floor(num * mult + 0.5) / mult
		end

		if string.lower(args_table[1]) == "!fov" then
			if cnt ~= 2 then
				et.trap_SendServerCommand(id, "chat \"Usage: ^7!fov ^3ETPro_FOV\"\n")
			else
				if tonumber(args_table[2]) == nil then
					et.trap_SendServerCommand(id, "chat \"Usage: ^7!fov ^3ETPro_FOV\"\n")
				else
					if tonumber(args_table[2]) < 90 then
						et.trap_SendServerCommand(id, "chat \"Value must be equal or above 90!\"\n")
					else
						if tonumber(args_table[2]) <= 91.31 then
							et.trap_SendServerCommand(id, "chat \"Your ETLegacy FOV is: ^175\"\n")
						else
							local fov = math.atan(3/4*math.tan(math.pi*tonumber(args_table[2])/360))*360/math.pi
							et.trap_SendServerCommand(id, "chat \"Your ETLegacy FOV is: ^1" .. roundNum(fov, 2) .. "\"\n")
						end
					end
				end
			end
		end
	end
	return(0)
end