Spring RTS Engine

Code: Select all

AllowUnitCreation(unitDefID, builderID, builderTeam, x, y, z)
if y > maxHeight then return false else return true
end

Code: Select all

function gadget:AllowUnitCreation(unitDefID, builderID, builderTeam, x, y, z)
   if (not builderID) then return true end   --no builder -> morph or something like that
	if UnitDefs[unitDefID]["extractsMetal"] > 0 then return true end
	local groundType, _ = Spring.GetGroundInfo(x, z)
	if groundType == "Sand" then
		Spring.Echo("Only metal extractors can be built on sand.")
		return false
	end
   return true
end

Code: Select all

local isNotValid = {}
for uDefID, uDef in pairs(UnitDefs) do
	if (uDef.extractsMetal == 0) and (uDef.maxAcc < 0.01) then --if it's not a metal extractor and does not move, it is not valid
		if string.find(uDef.tooltip, " Mine") == nil then --if it's a mine, it is valid
			isNotValid[uDefID] = true
		end
	end
end