Lua SyncedCtrl

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Development < Lua Scripting < Lua SyncedCtrl

Game End

Spring.KillTeam ( number teamID )
return: nil

New in version 83.0
Will declare a team to be dead ( no further orders can be assigned to such teams's units ), Gaia team cannot be killed.


Spring.GameOver ( number allyTeamID1, number allyTeamID2, ... )
return: nil

New in version 83.0
Will declare game over, a list of winning allyteams can be passed, if undecided ( like when dropped from the host ) it should be empty ( no winner ), in the case of a draw with multiple winners, all should be listed.

RulesParams

String values are new since 95.0. Attention: Numeric paramValues in quotes will be converted to number.

Spring.SetUnitRulesParam ( number unitID, string paramName, number|string paramValue [, table losAccess ] )
return: nil

Possible keys for the losAccess table are:
   `private` : only readable by the ally (default)
   `allied`  : readable by ally + ingame allied
   `inlos`   : readable if the unit is in LOS
   `inradar` : readable if the unit is in AirLOS
   `public`  : readable by all
  note: if one condition is fulfilled all beneath it are too (e.g. if an unit is in LOS it
can read params with `inradar=true` even if the param has `inlos=false`) note2: all GameRulesParam are public, TeamRulesParams can just be `private`,`allied`
and/or `public` note3: You can read RulesParams from any Lua enviroments! With those losAccess
policies you can limit their access.


Spring.SetFeatureRulesParam ( number featureID, string paramName, number|string paramValue [, table losAccess ] )
return: nil

New since 102.0.
See above for further documentation of losAccess.


Spring.SetTeamRulesParam ( number teamID, string paramName, number|string paramValue [, table losAccess ] )
return: nil

See above for further documentation of losAccess.


Spring.SetGameRulesParam ( string paramName, number|string paramValue [, table losAccess ] )
return: nil

See above for further documentation of losAccess.

Resources

Spring.AddTeamResource ( number teamID, string "metal" | "energy", number amount )
return: nil

Adds metal or energy resources to the specified team.


Spring.UseTeamResource ( number teamID, string "metal" | "energy", number amount | { metal = number amount, energy = number amount } )
return: nil | bool hadEnough

Consumes metal and/or energy resources of the specified team.


Spring.SetTeamResource ( number teamID, string res, number amount )
return: nil

Possible values for res are:
"m" = metal
"e" = energy
"ms" = metal storage
"es" = energy storage


Spring.SetTeamShareLevel ( number teamID, string "metal" | "energy", number amount )
return: nil

Changes the resource amount for a team beyond which resources aren't stored but transferred to other allied teams if possible.


Spring.ShareTeamResource ( number teamID_src, number teamID_recv, string "metal" | "energy", number amount )
return: nil

Transfers resources between two teams.

Teams

Spring.SetAlly ( number firstAllyTeamID, number secondAllyTeamID, bool ally )
return: nil

New in version 98.0
Changes the value of the (one-sided) alliance between: firstAllyTeamID -> secondAllyTeamID.


Spring.AssignPlayerToTeam ( number playerID, number teamID )
return: nil

New in version 98.0
Assigns a player to a team.


Spring.SetGlobalLos ( number allyTeamID, bool globallos )
return: nil

New in version 101.0
Changes access to global line of sight for a team and its allies.

Unit Handling

Spring.CreateUnit ( string "defName" | number unitDefID, number x, number y, number z, string "facing" | number facing, number teamID [, bool build = false [, bool flattenGround = true [, number builderID ]]] )
return: number unitID | nil (meaning unit was not created)

Offmap positions are clamped! Use MoveCtrl to move to such positions.
Possible values for facing are:
"south" | "s" | 0
"east" | "e" | 1
"north" | "n" | 2
"west" | "w" | 3

If build is true, the unit is created in "being built" state with buildProgress = 0
unitID and builderID are New in version 92.0, the former allowing to spawn a unit with a specific ID.


Spring.DestroyUnit ( number unitID [, bool selfd = false [, bool reclaimed = false [, number attackerID ]]] )
return: nil

selfd := Makes the unit act like it self-destructed.
reclaimed := Don't show any DeathSequences, don't leave a wreckage. This does not give back the resources to the team!


Spring.TransferUnit ( number unitID, number newTeamID [, bool given = true ] )
return: nil

If given=false, the unit is captured.

Unit Control

Spring.SetUnitCosts ( number unitID, { [ buildTime = number amount ], [ metalCost = number amount ], [ energyCost = number amount ] } )
return: nil


Spring.SetUnitTooltip ( number unitID, string "tooltip" )
return: nil


Spring.SetUnitHealth ( number unitID, number health | { [ health = number health ], [ capture = number capture ], [ paralyze = number paralyze ], [ build = number build ] } )
return: nil


Spring.SetUnitMaxHealth ( number unitID, number maxHealth )
return: nil


Spring.AddUnitDamage ( number unitID, number damage [, number paralyze = 0 [, number attackerID = -1 [, number weaponID = -1 [, number impulse_x [, number impulse_y [, number impulse_z ]]]]]] )
return: nil

The number in the paralyze parameter equals to the paralyzetime in the WeaponDef.


Spring.SetUnitStockpile ( number unitID [, number stockpile [, number buildPercent ]] )
return: nil


Spring.SetUnitExperience ( number unitID, number experience, number buildPercent )
return: nil


Spring.SetUnitFuel ( number unitID, number fuel )
return: nil

Removed from version 101.0


Spring.SetUnitCrashing ( number unitID, bool crashing )
return: bool success

New in version 83.0


Spring.SetUnitLineage ( number unitID, number teamID [, bool isRoot ] )
return: nil

Removed from version 83.0


Spring.SetUnitNeutral ( number unitID, bool neutral )
return: nil

Removed from version 83.0


Spring.SetUnitTarget ( number unitID, number x | nil, number y, number z [, bool dgun = false [, bool userTarget = false [, number weaponNum = -1 ]]] )
return: bool success

or

Spring.SetUnitTarget ( number unitID, number enemyUnitID | nil [, bool dgun = false [, bool userTarget = false [, number weaponNum = -1 ]]] )
return: bool success

Defines a unit's target. Nil as 2nd argument drops the unit's current target.
UserTarget & success new in version 95.0, setting nil target new in version 99.0, weaponNum new in version 102.0.


Spring.SetUnitMaxRange ( number unitID, number maxRange )
return: nil


Spring.SetUnitMass ( number unitID, number mass )
return: nil

New in version 101.0


Spring.SetUnitBlocking ( number unitID, bool isblocking, bool isSolidObjectCollidable, bool isProjectileCollidable, bool isRaySegmentCollidable, bool crushable, bool blockEnemyPushing, bool blockHeightChanges )
return: nil

New in version 95.0
Changed parameters.


Spring.SetUnitMetalExtraction ( number unitID, number depth [, number range ] )
return: nil

Parameter "depth" corresponds to metal extraction rate. Range value is similar to "extractsMetal" in unitDefs.


Spring.SetUnitBuildSpeed ( number builderID, number buildSpeed [, number repairSpeed [, number reclaimSpeed[, number resurrectSpeed [, number captureSpeed [, number terraformSpeed ]]]]] )
return: nil


Spring.SetUnitNanoPieces ( number builderID, table pieces )
return: nil

New in version 92.0
This saves a lot of engine calls, by replacing: function script.QueryNanoPiece() return currentpiece end
Use it!


Spring.UnitAttach ( number transporterID, number passengerID, number pieceNum )
return: nil

New in version 101.0


Spring.UnitDetach ( number passengerID )
return: nil

New in version 101.0


Spring.UnitDetachFromAir ( number passengerID )
return: nil

New in version 101.0


Spring.SetUnitLoadingTransport ( number passengerID, number transportID )
return: nil

New in version 101.0
Disables collisions between the two units to allow colvol intersection during the approach.


Spring.SetUnitPieceParent ( number unitID, number AlteredPiece, number ParentPiece )
return: nil

New in version 101.0
Changes the pieces hierarchy of a unit by attaching a piece to a new parent.


Spring.SetUnitPieceMatrix ( number unitID, number pieceNum, table matrix )
return: nil

New in version 104.0
Sets the local (i.e. parent-relative) matrix of the given piece if any of the first three elements are non-zero, and also blocks all script animations from modifying it until {0, 0, 0} is passed (matrix should be an array of 16 floats, but is not otherwise sanity-checked).


Spring.SetUnitArmored ( number unitID, bool armored [, number armorMultiple ] )
return: nil

armorMultiple new in version 0.83.x


Spring.SetUnitShieldState ( number unitID [, number weaponID = -1 [, bool enabled [, number power ]]] )
return: nil


Spring.SetUnitFlanking ( number unitID, string "mode", number mode )
return: nil

or

Spring.SetUnitFlanking ( number unitID, string "moveFactor", number factor )
return: nil

or

Spring.SetUnitFlanking ( number unitID, string "minDamage", number minDamage )
return: nil

or

Spring.SetUnitFlanking ( number unitID, string "maxDamage", number maxDamage )
return: nil

or

Spring.SetUnitFlanking ( number unitID, string "dir", number x, number y, number z )
return: nil


Spring.SetUnitWeaponState ( number unitID, number weaponNum, table states )
return: nil

or

Spring.SetUnitWeaponState ( number unitID, number weaponNum, string key, number value )
return: nil

Format of the states table:

   {
     ["reloadState"     = number value,]
     ["reloadFrame"     = number value,] (synonym for reloadState!)
     ["reloadTime"      = number value,]
     ["accuracy"        = number value,]
     ["sprayAngle"      = number value,]
     ["range"           = number value,] (*)
     ["projectileSpeed" = number value,]
     ["burst"           = number value,]
     ["burstRate"       = number value,]
     ["projectiles"     = number value,]
     ["salvoLeft"       = number value,]
     ["nextSalvo"       = number value,]
     ["aimReady"        = number value,] (<>0.0f := true)
   }
 (*) if you change the range of a weapon with dynamic damage
 make sure you use SetUnitWeaponDamages to change dynDamageRange as well.
 


Spring.SetUnitWeaponDamages ( number unitID, number weaponNum | string "selfDestruct" | string "explode", table damages )
return: nil

or

Spring.SetUnitWeaponDamages ( number unitID, number weaponNum | string "selfDestruct" | string "explode", string key, number value )
return: nil

New in version 101.0

Format of the damages table:

  {
     ["paralyzeDamageTime" = number value,]  
     ["impulseFactor"      = number value,]
     ["impulseBoost"       = number value,]
     ["craterMult"         = number value,]
     ["craterBoost"        = number value,]
     ["dynDamageExp"       = number value,]
     ["dynDamageMin"       = number value,]
     ["dynDamageRange"     = number value,]
     ["dynDamageInverted"  = number value,] (<>0.0f := true)
     ["craterAreaOfEffect" = number value,]
     ["damageAreaOfEffect" = number value,]
     ["edgeEffectiveness"  = number value,]
     ["explosionSpeed"     = number value,]
     [number armorType     = number value,] (changes the damage against this armor type)
   }
 


Spring.SetUnitCollisionVolumeData ( number unitID, number scaleX, number scaleY, number scaleZ, number offsetX, number offsetY, number offsetZ, number vType, number tType, number Axis )
return: nil

 enum COLVOL_TYPES {
     COLVOL_TYPE_DISABLED = -1,
     COLVOL_TYPE_ELLIPSOID = 0,
     COLVOL_TYPE_CYLINDER,
     COLVOL_TYPE_BOX,
     COLVOL_TYPE_SPHERE,
     COLVOL_NUM_TYPES       // number of non-disabled collision volume types
   };
   enum COLVOL_TESTS {
     COLVOL_TEST_DISC = 0,
     COLVOL_TEST_CONT = 1,
     COLVOL_NUM_TESTS = 2   // number of tests
   };
   enum COLVOL_AXES {
     COLVOL_AXIS_X   = 0,
     COLVOL_AXIS_Y   = 1,
     COLVOL_AXIS_Z   = 2,
     COLVOL_NUM_AXES = 3    // number of collision volume axes
   };
 


Spring.SetUnitPieceCollisionVolumeData ( number unitID, number pieceIndex, bool enable, number scaleX, number scaleY, number scaleZ, number offsetX, number offsetY, number offsetZ [, number volumeType [, number primaryAxis ]] )
return: nil

As of 101.0 this is 1-based piece index argument (was 0-based).


Spring.SetUnitTravel ( number unitID, number travel [, number travelPeriod ] )
return: nil


Spring.SetUnitMoveGoal ( number unitID, number goalX, number goalY, number goalZ [, number goalRadius [, number moveSpeed [, bool moveRaw ]]] )
return: nil

Used by default commands to get in build-, attackrange etc.
New in version 98.0 moveRaw: allow unit to dumbly move to a coordinate without calculating path.


Spring.SetUnitLandGoal ( number unitID, number goalX, number goalY, number goalZ [, number goalRadius ] )
return: nil

New in version 101.0
Used in conjunction with Spring.UnitAttach et al. to re-implement old airbase & fuel system in Lua.


Spring.ClearUnitGoal ( number unitID )
return: nil

New in version 102.0


Spring.SetUnitPhysics ( number unitID, number posX, number posY, number posZ, number velX, number velY, number velZ, number rotX, number rotY, number rotZ, number dragX, number dragY, number dragZ )
return: nil

Drag new in version 95.0


Spring.SetUnitPosition ( number unitID, number x, number z [, bool alwaysAboveSea ] )
return: nil


Spring.SetUnitDirection ( number unitID, number x, number y, number z )
return: nil

New in version 90.0


Spring.SetUnitVelocity ( number unitID, number velX, number velY, number velZ )
return: nil


Spring.SetUnitRotation ( number unitID, number yaw, number pitch, number roll )
return: nil


Spring.AddUnitImpulse ( number unitID, number x, number y, number z [, number decayRate ] )
return: nil


Spring.AddUnitSeismicPing ( number unitID, number pingSize )
return: nil


Spring.SetGroundMoveTypeData ( number unitID, table properties )
return: nil

Use this function to control movement properties for ground units. Known properties : maxSpeed, maxWantedSpeed, turnRate, ... (TODO fix/update)


Spring.SetAirMoveTypeData ( number unitID, table properties )
return: nil

Use this function to control movement properties for non-gunship air units. Known properties : maxSpeed, maxWantedSpeed, ... (TODO fix/update)


Spring.SetGunshipMoveTypeData ( number unitID, table properties )
return: nil

Use this function to control movement properties for air gunships. Known properties : maxSpeed, maxWantedSpeed, turnRate, ... (TODO fix/update)


Spring.RemoveBuildingDecal ( number unitID )
return: nil


Spring.SetUnitMidAndAimPos ( number unitID, number mpX, number mpY, number mpZ, number apX, number apY, number apZ [, bool relative ] )
return: bool success

New in version 89.0
mpx, mpy, mpz: New middle position of unit
apx, apy, apz: New position that enemies aim at on this unit
relative: Are the new coordinates relative to world (false) or unit (true) coordinates? Also, note that apy is inverted!


Spring.SetUnitRadiusAndHeight ( number unitID, number radius, number height )
return: bool success

New in version 89.0


Spring.UnitWeaponFire ( number unitID, number weaponID )
return: nil


Spring.UnitWeaponHoldFire ( number unitID, number weaponID )
return: nil

Unit LOS

Spring.SetUnitCloak ( number unitID, bool cloaked | number scriptCloak [, bool decloakAbs | number decloakDistance ] )
return: nil

If the 2nd argument is a number, the value works like this:
1:=normal cloak
2:=for free cloak (cost no E)
3:=for free + no decloaking (except the unit is stunned)
4:=ultimative cloak (no ecost, no decloaking, no stunned decloak)

The decloak distance is only changed:
- if the 3th argument is a number or a boolean.
- if the boolean is false it takes the default decloak distance for that unitdef,
- if the boolean is true it takes the absolute value of it.


Spring.SetUnitSonarStealth ( number unitID, bool sonarStealth )
return: nil


Spring.SetUnitStealth ( number unitID, bool stealth )
return: nil


Spring.SetUnitAlwaysVisible ( number unitID, bool alwaysVisible )
return: nil


Spring.SetUnitLosMask ( number unitID, number allyTeam, number los | table losTypes )
return: nil

The 3rd argument is either the bit-and combination of the following numbers:
LOS_INLOS = 1
LOS_INRADAR = 2
LOS_PREVLOS = 4
LOS_CONTRADAR = 8

or a table of the following form:
losTypes = {
[los = boolean,]
[radar = boolean,]
[prevLos = boolean,]
[contRadar = boolean]
}


Spring.SetUnitLosState ( number unitID, number allyTeam, number los | table losTypes )
return: nil

See above for more info on the arguments.


Spring.SetUnitSensorRadius ( number unitID, string type, number radius )
return: nil | number newRadius

Type can be:
"los", "airLos", "radar", "sonar", "seismic", "radarJammer", "sonarJammer"


Spring.SetRadarErrorParams ( number allyTeamID, number allyteamErrorSize [, number baseErrorSize [, number baseErrorMult ]] )
return: nil

New in version 95.0


Spring.SetUnitPosErrorParams ( number unitID, number posErrorVector.x, number posErrorVector.y, number posErrorVector.z,, number posErrorDelta.x, number number posErrorDelta.y, number posErrorDelta.z [, number nextPosErrorUpdate ] )
return: nil

New in version 95.0

Unit Resourcing

Spring.SetUnitResourcing ( number unitID, string res, number amount )
return: nil

or

Spring.SetUnitResourcing ( number unitID, { res = number amount, ... } )
return: nil

Possible values for res are: "[u|c][u|m][m|e]"
unconditional | conditional
use | make
metal | energy


Spring.AddUnitResource ( number unitID, string "m" | "e", number amount )
return: nil


Spring.UseUnitResource ( number unitID, string "m" | "e", number amount )
return: nil | bool okay

or

Spring.UseUnitResource ( number unitID, { [ "m" | "metal" | "e" | "energy" ] = amount, ... } )
return: nil | bool okay


Spring.SetUnitHarvestStorage ( number unitID, number metal )
return: nil

New in version 97.0
See also harvestStorage UnitDef tag.

Feature Handling

Spring.CreateFeature ( string "defName" | number featureDefID, number x, number y, number z [, number heading [, number AllyTeamID [, number featureID ]]] )
return: number featureID


Spring.DestroyFeature ( number featureDefID )
return: nil


Spring.TransferFeature ( number featureDefID, number teamID )
return: nil

Feature Control

Spring.SetFeatureHealth ( number featureID, number health )
return: nil


Spring.SetFeatureResources ( number featureID, number metal, number energy [, number reclaimTime [, number reclaimLeft ]{rbracket, {{{arg6}}}, {{{arg7}}}, {{{arg8}}}, {{{arg9}}} )

|arg6 = |arg7 = |arg8 = |arg9 = |return = nil |info = New in version 104.0 }}


Spring.SetFeatureReclaim ( number featureID, number reclaimLeft )
return: nil


Spring.SetFeatureResurrect ( number featureID, number unitDefID | string unitDefName [, number facing | string "facing" [, number progress ]] )
return: nil

New in version 104.0 Second param can now be a number id instead of a string name, this also allows cancelling ressurection by passing -1. The level of progress can now be set via the additional 4th param.
Possible values for facing are:
"south" | "s" | 0
"east" | "e" | 1
"north" | "n" | 2
"west" | "w" | 3


Spring.SetFeaturePosition ( number featureID, number x, number y, number z [, bool snapToGround ] )
return: nil


Spring.SetFeatureDirection ( number featureID, number dirX, number dirY, number dirZ )
return: nil


Spring.SetFeatureRotation ( number featureID, number rotX, number rotY, number rotZ )
return: nil

New in version 101.0


Spring.SetFeatureVelocity ( number featureID, number velX, number velY, number velZ )
return: nil

New in version 95.0


Spring.SetUnitPhysics ( number featureID, number posX, number posY, number posZ, number velX, number velY, number velZ, number rotX, number rotY, number rotZ, number dragX, number dragY, number dragZ )
return: nil

New in version 95.0


Spring.SetFeatureMoveCtrl ( number featureID [, bool enable [, number* args ]] )
return: nil

Use this callout to control feature movement. The number* arguments are parsed as follows and all optional:

If enable is true:
[, velVector(x,y,z) -- initial velocity for feature
[, accVector(x,y,z) -- acceleration added every frame]]

If enable is false:
[, velocityMask(x,y,z) -- dimensions in which velocity is allowed to build when not using MoveCtrl
[, impulseMask(x,y,z) -- dimensions in which impulse is allowed to apply when not using MoveCtrl
[, movementMask(x,y,z) -- dimensions in which feature is allowed to move when not using MoveCtrl]]]

As of spring 103.0 it is necessary to unlock feature movement on x,z axis before changing feature physics. For example use "Spring.SetFeatureMoveCtrl(featureID,false,1,1,1,1,1,1,1,1,1)" to unlock all movement prior to making SetFeatureVelocity calls.


Spring.SetFeatureNoSelect ( number featureID, bool noSelect )
return: nil


Spring.SetFeatureAlwaysVisible ( number featureID, bool enable )
return: nil


Spring.SetFeatureCollisionVolumeData ( number featureID, number scaleX, number scaleY, number scaleZ, number offsetX, number offsetY, number offsetZ, number vType, number tType, number Axis )
return: nil

Check Spring.SetUnitCollisionVolumeData for further explanation of the arguments.


Spring.SetFeaturePieceCollisionVolumeData ( number featureID, number pieceIndex, bool enable, number scaleX, number scaleY, number scaleZ, number offsetX, number offsetY, number offsetZ, number Axis, number volumeType [, number primaryAxis ] )
return: nil

New in version 101.0


Spring.SetFeatureMidAndAimPos ( number featureID, number mpX, number mpY, number mpZ, number apX, number apY, number apZ [, bool relative )
return: bool success

New in version 89.0
Check Spring.SetUnitMidAndAimPos for further explanation of the arguments.


Spring.SetFeatureRadiusAndHeight ( number featureID, number radius, number height )
return: bool success

New in version 89.0


Spring.SetFeatureMass ( number featureID, number mass )
return: nil

New in version 101.0


Spring.SetFeatureBlocking ( number featureID, boolean isBlocking, boolean isSolidObjectCollidable, boolean isProjectileCollidable, boolean isRaySegmentCollidable, boolean crushable, boolean blockEnemyPushing, boolean blockHeightChanges )
return: nil

New in version 95.0
Changed parameters.

Lua to COB

Spring.CallCOBScript ( number unitID, number funcID | string funcName, number retArgs, COBArg1, COBArg2, ... )
return: nil | number returnValue, number retArg1, number retArg2, ...


Spring.GetCOBScriptID ( number unitID, string funcName )
return: nil | number funcID


Spring.GetUnitCOBValue ( number unitID [, bool splitData=false ], number COBValue [, number param1 [, number param2 [, number param3 [, number param4 ]]]] )
return: number result | number result1, number result2

Note: Don't use Spring.[Get|Set]UnitCOBValue in LUS just because you are familar with it since bos/cob, use the LuaSpringAPI instead!
You can find the possible values for `COBValue` in Lua_ConstCOB. Also see Custom_Variables.


Spring.SetUnitCOBValue ( number unitID, number COBValue, number param1 [, number param2 ] )
return: nil

Note: Don't use Spring.[Get|Set]UnitCOBValue in LUS just because you are familar with it since bos/cob, use the LuaSpringAPI instead!
You can find the possible values for `COBValue` in Lua_ConstCOB. Also see Custom_Variables.

Give Order

Options can also be a bitmask; e.g. 0 instead of an empty table (can avoid performance hit on table creation)
See Lua CMDs for relevant constants.


Spring.GiveOrderToUnit ( number unitID, number cmdID, params = { number, etc...}, options = {"alt", "ctrl", "shift", "right"} )
return: nil


Spring.GiveOrderToUnitMap ( unitMap = { [unitID] = example, etc... }, number cmdID, params = { number, etc...}, options = {"alt", "ctrl", "shift", "right"} )
return: nil


Spring.GiveOrderToUnitArray ( unitArray = { [1] = unitID, etc... }, number cmdID, params = { number, etc...}, options = {"alt", "ctrl", "shift", "right"} )
return: nil


Spring.GiveOrderArrayToUnitMap ( unitMap = { [number unitID] = example, etc... }, orderArray = { { number cmdID, params = { number, etc...}, options = {"alt", "ctrl", "shift", "right"} } } )
return: nil


Spring.GiveOrderArrayToUnitArray ( unitArray = { [1] = number unitID, etc... }, orderArray = { { number cmdID, params = { number, etc...}, options = {"alt", "ctrl", "shift", "right"} } } )
return: nil

Ground

Grass

Spring.AddGrass ( number x, number z )
return: nil


Spring.RemoveGrass ( number x, number z )
return: nil

Heightmap

Note that x & z coords are in worldspace (Game.mapSizeX/Z), still the heightmap resolution is Game.squareSize.

Spring.LevelHeightMap ( number x1, number z1 [, number x2, number z2 ], number height )
return: nil


Spring.AdjustHeightMap ( number x1, number z1 [, number x2, number z2 ], number height )
return: nil

(heightmap[x][z] += height;)


Spring.RevertHeightMap ( number x1, number z1 [, number x2, number z2 ], number origFactor )
return: nil


Spring.SetHeightMapFunc ( lua_function [, arg1 [, arg2 [, ... ]]] )
return: nil | number absTotalHeightMapAmountChanged

Example code:

Spring.SetHeightMapFunc(function()
	for z=0,Game.mapSizeZ, Game.squareSize do
		for x=0,Game.mapSizeX, Game.squareSize do
			Spring.SetHeightMap( x, z, 200 + 20 * math.cos((x + z) / 90) )
		end
	end
end)


Spring.AddHeightMap ( number x, number z, number height )
return: nil | number newHeight

Can only be called in SetHeightMapFunc()


Spring.SetHeightMap ( number x, number z, number height [, number terraform = 1 ] )
return: nil | number absHeightDiff

Can only be called in SetHeightMapFunc(). The terraform argument is a scaling factor:

If =0 nothing will be changed (the terraform starts) and if =1 the terraform will be finished.


Spring.LevelSmoothMesh ( number x1, number z1 [, number x2, number z2 ], number height )
return: nil


Spring.AdjustSmoothMesh ( number x1, number z1 [, number x2, number z2 ], number height )
return: nil


Spring.RevertSmoothMesh ( number x1, number z1 [, number x2, number z2 ], number origFactor )
return: nil


Spring.SetSmoothMeshFunc ( lua_function [, arg1 [, arg2 [, ... ]]] )
return: nil | number absTotalHeightMapAmountChanged


Spring.AddSmoothMesh ( number x, number z, number height )
return: nil | number newHeight

Can only be called in SetSmoothMeshFunc().


Spring.SetSmoothMesh ( number x, number z, number height [, number terraform = 1 ] )
return: nil | number absHeightDiff

Can only be called in SetSmoothMeshFunc().

TerrainTypes

Spring.SetMapSquareTerrainType ( number x, number z, number newType )
return: nil | number oldType


Spring.SetTerrainTypeData ( number typeIndex [, number speedTanks = nil [, number speedKBOts = nil [, number speedHovers = nil [, number speedShips = nil ]]]] )
return: nil | bool true


Spring.SetSquareBuildingMask ( number x, number z, number mask )
return: nil

New in version 103.0

See also buildingMask unitdef tag.

MetalAmount

Spring.SetMetalAmount ( number x, number z, number metalAmount )
return: nil

New in version 83.0
x & z coords are in worldspace/16. metalAmount must be between 0 and 255*maxMetal (with maxMetal from the .smd or mapinfo.lua).

Command Descriptions

Doesn't work in unsynced code!

Spring.EditUnitCmdDesc ( number unitID, number cmdDescID, table cmdArray )
return: nil

structure of cmdArray:
  {
    [ id          = int ],
    [ type        = int ],
    [ name        = string ],
    [ action      = string ],
    [ tooltip     = string ],
    [ texture     = string ],
    [ cursor      = string ],
    [ queueing    = boolean ],
    [ hidden      = boolean ],
    [ disabled    = boolean ],
    [ showUnique  = boolean ],
    [ onlyTexture = boolean ],
    [ params      = { string = string, ... } ]
  }

queueing is New in version 101.0 and allows custom commands to be non-queueing (handy for state toggles).


Spring.InsertUnitCmdDesc ( number unitID [, number cmdDescID ], table cmdArray )
return: nil


Spring.RemoveUnitCmdDesc ( number unitID [, number cmdDescID ] )
return: nil

Other

Spring.SetNoPause ( bool noPause )
return: nil


Spring.SetUnitToFeature ( bool tofeature )
return: nil

An ugly global switch that can be used to block units turning into features when they finish being built (like *A DT's do, which have the isFeature tag) thread


Spring.SetExperienceGrade ( number expGrade [, number ExpPowerScale [, number ExpHealthScale [, number ExpReloadScale ]]] )
return: nil

expGrade defines how often UnitExperience() will be called.
Prior to 104.0 it is based on the following equation:
(int) [exp/(exp+1)] / expGrade

Post 104.0 it is the raw change.


Spring.SpawnExplosion ( number posX = 0, number posY = 0, number posZ = 0, number dirX = 0, number dirY = 0, number dirZ = 0, table explosionParams )
return: nil

New in version 104.0
Possible keys of explosionParams are:
    weaponDef = number,
    owner = number,
    hitUnit = number,
    hitFeature = number,
    craterAreaOfEffect = number,
    damageAreaOfEffect = number,
    edgeEffectiveness = number,
    explosionSpeed = number,
    gfxMod = number,
    impactOnly = boolean,
    ignoreOwner = boolean,
    damageGround = boolean

Please note the explosion defaults to 1 damage regardless of what it's defined in the weaponDef.
The weapondefID is only used for visuals and for passing into callins like UnitDamaged.


Spring.SpawnCEG ( string "cegname", number posX = 0, number posY = 0, number posZ = 0, number dirX = 0, number dirY = 0, number dirZ = 0, number radius = 0, number damage = 0 )
return: nil | bool success, number cegID

cegID new in 95.0.


Spring.SpawnSFX ( number unitID, number sfxID, number posX = 0, number posY = 0, number posZ = 0, number dirX = 0, number dirY = 0, number dirZ = 0, number radius = 0, number damage = 0 [, bool absolute ] )
return: nil | bool success

New in version 104.0

Equal to the UnitScript versions of EmitSFX, but takes position and direction arguments (in either unit- or piece-space) instead of a piece index.

Projectiles

Spring.SpawnProjectile ( number weaponDefID, table projectileParams )
return: nil | number projectileID

Possible keys of projectileParams are:
    pos = {number x, number y, number z},
    end = {number x, number y, number z},
    speed = {number x, number y, number z},
    spread = {number x, number y, number z},
    error = {number x, number y, number z},
    owner = number,
    team = number,
    ttl = number,
    gravity = number,
    tracking = number,
    maxRange = number,
    startAlpha = number,
    endAlpha = number,
    model = string,
    cegTag = string

Spring.DeleteProjectile ( number projectileID )
return: nil

New in version 101.0
Silently removes projectiles (no explosion).


Pre 95.0: Spring.SetProjectileTarget ( number projectileID, [ number targetID, string targetTypeStr ] | [ number posX = 0, number posY = 0, number posZ = 0 ] )
return: nil | bool validTarget

Post 95.0: Spring.SetProjectileTarget ( number projectileID, [ number targetID, number targetType ] | [ number posX = 0, number posY = 0, number posZ = 0 ] )
return: nil | bool validTarget

targetTypeStr can be one of: 
    'u' - unit
    'f' - feature
    'p' - projectile
  while targetTypeInt is one of:
    string.byte('g') := GROUND
    string.byte('u') := UNIT
    string.byte('f') := FEATURE
    string.byte('p') := PROJECTILE


Spring.SetProjectileIgnoreTrackingError ( number projectileID, bool ignore )
return: nil

New in version 101.0


Spring.SetProjectileIsIntercepted ( number projectileID )
return: nil

New in version 99.0


Spring.SetProjectileMoveControl ( number projectileID, bool enable )
return: nil

Disables engine movecontrol, so lua can fully control the physics.


Spring.SetProjectilePosition ( number projectileID [, number posX = 0 [, number posY = 0 [, number posZ = 0 ]]] )
return: nil


Spring.SetProjectileVelocity ( number projectileID [, number velX = 0 [, number velY = 0 [, number velZ = 0 ]]] )
return: nil


Spring.SetProjectileCollision ( number projectileID )
return: nil


Spring.SetProjectileGravity ( number projectileID [, number grav = 0 ] )
return: nil


Spring.SetProjectileSpinAngle ( number projectileID [, number spinAngle = 0 ] )
return: nil

Removed from version 95.0


Spring.SetProjectileSpinSpeed ( number projectileID [, number speed = 0 ] )
return: nil

Removed from version 95.0


Spring.SetProjectileSpinVec ( number projectileID [, number spinX = 0 [, number spinY = 0 [, number spinZ = 0 ]]] )
return: nil

Removed from version 95.0


Spring.SetProjectileCEG ( number projectileID, string ceg_name )
return: nil


Spring.SetPieceProjectileParams ( number projectileID [, number explosionFlags [, number spinAngle [, number spinSpeed [, number spinVector.x [, number spinVector.y [, number spinVector.z ]]]]]] )
return: nil

New in version 95.0


Spring.SetProjectileAlwaysVisible ( number projectileID, bool alwaysVisible )
return: nil

New in version 95.0


Spring.SetProjectileDamages ( number unitID, number weaponNum, table damages )
return: nil

or

Spring.SetProjectileDamages ( number unitID, number weaponNum, string key, number value )
return: nil

New in version 101.0
Format of the damages table:
   {
      ["paralyzeDamageTime" = number value,]  
      ["impulseFactor"      = number value,]
      ["impulseBoost"       = number value,]
      ["craterMult"         = number value,]
      ["craterBoost"        = number value,]
      ["dynDamageExp"       = number value,]
      ["dynDamageMin"       = number value,]
      ["dynDamageRange"     = number value,]
      ["dynDamageInverted"  = number value,] (<>0.0f := true)
      ["craterAreaOfEffect" = number value,]
      ["damageAreaOfEffect" = number value,]
      ["edgeEffectiveness"  = number value,]
      ["explosionSpeed"     = number value,]
      [number armorType     = number value,] (changes the damage against this armor type)
    }