Ticket #745: RallyPointCommands.js

// Returns an command suitable for ProcessCommand() based on the rally point data.
// This assumes that the rally point has a valid position.
function getRallyPointCommand(cmpRallyPoint, spawnedEnts)
{
    // Look and see if there is a command in the rally point data, otherwise just walk there.
    var data = cmpRallyPoint.GetData();
    var rallyPos = cmpRallyPoint.GetPosition();
    var command = undefined;
    if (data && data.command)
    {
        command = data.command;
    }
    else
    {
        command = "walk";
    }

    // If a target was set and the target no longer exists them just walk to the rally point.
    if (data && data.target)
    {
        if (! Engine.QueryInterface(data.target, IID_Position))
        {
            command = "walk";
        }
    }

    switch (command)
    {
    case "gather":
        return {
            "type": "gatherNearPosition",
            "entities": spawnedEnts,
            "x": rallyPos.x,
            "z": rallyPos.z,
            "resourceType": data.resourceType,
            "queued": false
        };
        break;
    case "repair":
    case "build":
        return {
            "type": "repair",
            "entities": spawnedEnts,
            "target": data.target,
            "queued": false,
            "autocontinue": true
        };
        break;
    case "garrison":
        return {
            "type": "garrison",
            "entities": spawnedEnts,
            "target": data.target,
            "queued": false
        };
    }

    // default return value
    return {
        "type": "walk",
        "entities": spawnedEnts,
        "x": rallyPos.x,
        "z": rallyPos.z,
        "queued": false
    };
}

Engine.RegisterGlobal("getRallyPointCommand", getRallyPointCommand);