Spring RTS Engine

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function gadget:GetInfo()
return {
name = "WaterLevelManager",
desc = "Recives the terraFormInformation. applies the actuall terraforming, informs Units about the currentWaterLevelOffset",
author = "PicassoCT",
date = "7 b.Creation",
license = "GNU GPL, v2 its goes in all fields",
layer = 0,
enabled = true -- loaded by default?
}
end

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-- synced only
   if (gadgetHandler:IsSyncedCode()) then


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--various Tools

--function validates Unit Table
function validateUnitTable(tableToValidate)
x=table.getn(tableToValidate)
	for i=1,x,1 do
	
		if Spring.ValidUnitID((tableToValidate[i][1]))~= true then
		table.remove(tableToValidate,i)
		x=x-1
		i=i-1
		end
	end
return tableToValidate	
end

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local boolGameIsNotOver=true
local gWaterOffSet=0 --global WaterOffset
local UPDATE_FREQUNECY=4200
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boolFirst=true

--Table contains all the WaterLevelChanging Units
local WaterLevelChangingUnitsTable={}
--Table contains all Units who perform Terraforming - and thus need to be informed of rising waterLevels
local LandLordTable={}
local TerrainMapWorkingCopy={}

local orgTerrainMap={}


GG.addWaterLevel = 0
GG.subWaterLevel = 0


--function collects the stored changedate from the  WaterLevelingUnits
function getGlobalOffset()
returnVal=GG.addWaterLevel-GG.subWaterLevel
GG.addWaterLevel=0
GG.subWaterLevel=0
return returnVal
end



--Every unit signs up, is checked for its UnitdefId beeing that of a WaterAdder or a WaterSubstractor
function gadget:UnitCreated(unitID, unitDefID, unitTeam)

if unitDefID==UnitDefNames["cwaterextractor"].id or unitDefID == UnitDefNames["jwatergate"].id then
Spring.Echo("Registrated WaterUnit")
subTable={}
subTable[1]=unitID
subTable[2]=unitDefID
subTable[3]=unitTeam
index=(table.getn(WaterLevelChangingUnitsTable))+1
WaterLevelChangingUnitsTable[index]={}
WaterLevelChangingUnitsTable[index]=subTable
end

if unitDefID==UnitDefNames["mdiggmex"].id or unitDefID == UnitDefNames["jdrilltree"].id then
Spring.Echo("Registrated DigUnit")
subTable={}
subTable[1]=unitID
subTable[2]=unitDefID
subTable[3]=unitTeam
index=(table.getn(LandLordTable))+1
LandLordTable[index]={}
LandLordTable[index]=subTable
end

end


--Creates the original TerrainTable
function forgeFirstTerrainMap()

		for out=1,Game.mapSizeX,1 do
		SubTable={}
			Spring.Echo("Adding to the Max")
			for i=1,Game.mapSizeZ,1 do
			
			SubTable[i]=Spring.GetGroundHeight(out,i)

			end
		orgTerrainMap[out]={}
		orgTerrainMap[out]=SubTable
		end
assert(orgTerrainMap)

end
--adds the WaterLvl to the heightmap

function computateWaterHeightmap()



TerrainMapWorkingCopy= orgTerrainMap
local WaterOffset= getGlobalOffset()
--assert(TerrainMapWorkingCopy)

--Spring.Echo("Here we go again")
--assert(WaterOffset)
   outerLimit=Game.mapSizeX
   innerLimit=Game.mapSizeZ
  -- Spring.Echo(outerLimit)
   --Spring.Echo("the table getn", table.getn(TerrainMapWorkingCopy))
   --Spring.Echo(innerLimit)
	for out= 1, outerLimit, 1 do
	
			for i= 1, innerLimit, 1 do		

			TerrainMapWorkingCopy[out][i]=(TerrainMapWorkingCopy[out][i])+ WaterOffset

			end
	
		end

end

function applyTerraInform()
	 if boolFirst == true then
	 boolFirst=false
	 orgTerrainMap= forgeFirstTerrainMap()
		else
		computateWaterHeightmap()

		end

	if  getGlobalOffset ~= 0 then

	Spring.SetHeightMapFunc(function()
		for z=1,Game.mapSizeZ-1, 1 do
			for x=1,Game.mapSizeX-1, 1 do
				Spring.SetHeightMap( x, z, TerrainMapWorkingCopy[x][z] )
			end
		end
	end)



	end	
end


function gadget:GameFrame(f)
   if f%UPDATE_FREQUNECY == 0 then
    --applyChanges to Map
	applyTerraInform(gheightMap)

	end
end

end

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      for z=1,Game.mapSizeZ-1, 1 do
         for x=1,Game.mapSizeX-1, 1 do
            Spring.SetHeightMap( x, z, 

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			for x=0,Game.mapSizeX,8 do
				for z=0,Game.mapSizeZ,8 do
					Spring.SetHeightMap(x,z, 

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--Creates the original TerrainTable

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TerrainMapWorkingCopy= orgTerrainMap

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TerrainMapWorkingCopy= orgTerrainMap

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function table.copy(t)
  local t2 = {}
  for k,v in pairs(t) do
    t2[k] = v
  end
  return t2
end