Spring RTS Engine

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local unitName = "mushroom1"

local unitDef =
{
-- Internal settings
	BuildPic = "infantry.pcx",
	Category = "BUILDING NOTSCOUT NOTHEAVY NOTAIR NOTEPIC NOTSHIP NOTSTEALTHY ALL",
	ObjectName = "mushroom 1.s3o",
	name = "Infantry Shroom",
	Side = "MACROBES",
	TEDClass = "PLANT",
	UnitName = "Infantry Shroom",
	script = "mushroom1script.lua",
	
-- Unit limitations and properties
	ActivateWhenBuilt = true,
	BuildTime = 1000,
    commander = true,
	Description = "Produces infantry",
	MaxDamage = 1500,
	Name = "Base",
	RadarDistance = 0,
	SightDistance = 400,
	SoundCategory = "BUILDING",
	Upright = 1,
	WorkerTime = 80,
	levelground = 1,
	
-- Energy and metal related
	BuildCostEnergy = 500,
	EnergyStorage = 0,
	EnergyUse = 0,
	MetalStorage = 0,
	EnergyMake = 0, 
	MakesMetal = 0, 
	MetalMake = 0,
	
-- Pathfinding and related
	FootprintX = 3,
	FootprintZ = 3,
	MaxSlope = 10,
	MaxWaterDepth = 0,
	YardMap = "cccc cccc cccc cccc",

-- Abilities
	Builder = 1,
    Reclaimable = 0,
	ShowNanoSpray = 1,
	CanBeAssisted = 0,
	buildoptions = 
	{
		"tank",
		"builder",
		"sphericalvirus",
	},
	
-- Abilities new to Spring
	
-- Weapons and related

	ExplodeAs = "BUILDINGLARGEDEATH",
	SelfDestructAs = "BUILDINGLARGEDEATH",
	SelfDestructCountdown = 5,
}

return lowerkeys({ [unitName] = unitDef })

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	showNanoFrame = 1,

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	showNanoFrame = false,

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--------------------------------------------------------------------------------
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--
--  file:    game_spawn.lua
--  brief:   spawns start unit and sets storage levels
--  author:  Tobi Vollebregt
--
--  Copyright (C) 2010.
--  Licensed under the terms of the GNU GPL, v2 or later.
--
--------------------------------------------------------------------------------
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function gadget:GetInfo()
	return {
		name      = "Spawn",
		desc      = "spawns start unit and sets storage levels",
		author    = "Tobi Vollebregt",
		date      = "January, 2010",
		license   = "GNU GPL, v2 or later",
		layer     = 0,
		enabled   = true  --  loaded by default?
	}
end

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-- synced only
if (not gadgetHandler:IsSyncedCode()) then
	return false
end

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local modOptions = Spring.GetModOptions()


local function GetStartUnit(teamID)
	-- get the team startup info
	local side = select(5, Spring.GetTeamInfo(teamID))
	local startUnit
	if (side == "") then
		-- startscript didn't specify a side for this team
		local sidedata = Spring.GetSideData()
		if (sidedata and #sidedata > 0) then
			startUnit = sidedata[1 + teamID % #sidedata].startUnit
		end
	else
		startUnit = Spring.GetSideData(side)
	end
	return startUnit
end

local function SpawnStartUnit(teamID)
	local startUnit = GetStartUnit(teamID)
	if (startUnit and startUnit ~= "") then
		-- spawn the specified start unit
		local x,y,z = Spring.GetTeamStartPosition(teamID)
		-- snap to 16x16 grid
		x, z = 16*math.floor((x+8)/16), 16*math.floor((z+8)/16)
		y = Spring.GetGroundHeight(x, z)
		-- facing toward map center
		local facing=math.abs(Game.mapSizeX/2 - x) > math.abs(Game.mapSizeZ/2 - z)
			and ((x>Game.mapSizeX/2) and "west" or "east")
			or ((z>Game.mapSizeZ/2) and "north" or "south")
		local unitID = Spring.CreateUnit(startUnit, x, y, z, facing, teamID)
	end

	-- set start resources, either from mod options or custom team keys
	local teamOptions = select(7, Spring.GetTeamInfo(teamID))
	local m = teamOptions.startmetal  or modOptions.startmetal  or 1000
	local e = teamOptions.startenergy or modOptions.startenergy or 1000

	-- using SetTeamResource to get rid of any existing resource without affecting stats
	-- using AddTeamResource to add starting resource and counting it as income
	if (m and tonumber(m) ~= 0) then
		-- remove the pre-existing storage
		--   must be done after the start unit is spawned,
		--   otherwise the starting resources are lost!
		Spring.SetTeamResource(teamID, "ms", tonumber(m))
		Spring.SetTeamResource(teamID, "m", 0)
		Spring.AddTeamResource(teamID, "m", tonumber(m))
	end
	if (e and tonumber(e) ~= 0) then
		-- remove the pre-existing storage
		--   must be done after the start unit is spawned,
		--   otherwise the starting resources are lost!
		Spring.SetTeamResource(teamID, "es", tonumber(e))
		Spring.SetTeamResource(teamID, "e", 0)
		Spring.AddTeamResource(teamID, "e", tonumber(e))
	end
end


function gadget:GameStart()
	-- only activate if engine didn't already spawn units (compatibility)
	if (#Spring.GetAllUnits() > 0) then
		return
	end

	-- spawn start units
	local gaiaTeamID = Spring.GetGaiaTeamID()
	local teams = Spring.GetTeamList()
	for i = 1,#teams do
		local teamID = teams[i]
		-- don't spawn a start unit for the Gaia team
		if (teamID ~= gaiaTeamID) then
			SpawnStartUnit(teamID)
		end
	end
end