public static BuildOutput WriteAllResourceFiles(BuildCommandSet commands, BuildSettings settings, BuildUsageTagSet usageSet, string outputFolder)
{
BuildOutput result;
BundleBuildInterface.WriteAllResourceFiles_Injected(commands, ref settings, usageSet, outputFolder, out result);
return(result);
}
public static BuildCommandSet GenerateBuildCommandSet(BuildInput input, BuildSettings settings)
{
// Need to specal case sprites as we only want to include the source texutre in certain situations
m_SpriteMap.Clear();
// Create commands array matching the size of the input
var commandSet = new BuildCommandSet();
commandSet.commands = new BuildCommandSet.Command[input.definitions.Length];
for (var i = 0; i < input.definitions.Length; ++i)
{
var definition = input.definitions[i];
// Populate each command from asset bundle definition
var command = new BuildCommandSet.Command();
command.assetBundleName = definition.assetBundleName;
command.explicitAssets = new BuildCommandSet.AssetLoadInfo[definition.explicitAssets.Length];
// Fill out asset load info and references for each asset in the definition
var allObjects = new HashSet <ObjectIdentifier>();
for (var j = 0; j < definition.explicitAssets.Length; ++j)
{
var explicitAsset = new BuildCommandSet.AssetLoadInfo();
explicitAsset.asset = definition.explicitAssets[j];
explicitAsset.path = AssetDatabase.GUIDToAssetPath(explicitAsset.asset.ToString());
explicitAsset.includedObjects = AssetBundleBuildInterface.GetPlayerObjectIdentifiersInAsset(definition.explicitAssets[j]);
explicitAsset.referencedObjects = AssetBundleBuildInterface.GetPlayerDependenciesForObjects(explicitAsset.includedObjects);
// Is this asset a sprite?
var type = AssetDatabase.GetMainAssetTypeAtPath(explicitAsset.path);
if (type == typeof(Texture2D) && explicitAsset.referencedObjects.Length == 1)
{
// Source texture should always be the first included object, atlas should always be the first referenced object
m_SpriteMap.Add(explicitAsset.referencedObjects[0].guid);
}
command.explicitAssets[j] = explicitAsset;
allObjects.UnionWith(explicitAsset.includedObjects);
allObjects.UnionWith(explicitAsset.referencedObjects);
}
command.assetBundleObjects = allObjects.ToArray();
commandSet.commands[i] = command;
}
// TODO: Debug printing
DebugPrintCommandSet(ref commandSet);
// At this point, We have generated fully self contained asset bundles with 0 dependencies.
// Default implementation is to reduce duplication of objects by declaring dependencies to other asset
// bundles if that other asset bundle has an explicit asset declared that contains the objects needed
// We also remove any built in unity objects as they are built with the player (We may want to change this part in the future)
CalculateAssetBundleBuildDependencies(ref commandSet);
// Note: I may, or may not feel dirty doing mutable things to what otherwise should be immutable struct
// TODO: Debug printing
DebugPrintCommandSet(ref commandSet);
return(commandSet);
}
public static BuildOutput WriteResourceFiles(BuildCommandSet commands, BuildSettings settings)
{
BuildOutput result;
BuildInterface.WriteResourceFiles_Injected(ref commands, ref settings, out result);
return(result);
}
private static void DebugPrintCommandSet(ref BuildCommandSet commandSet)
{
var msg = "";
if (commandSet.commands != null)
{
foreach (var bundle in commandSet.commands)
{
msg += string.Format("{0}\n", bundle.assetBundleName);
if (bundle.explicitAssets != null)
{
foreach (var asset in bundle.explicitAssets)
{
msg += string.Format("\t{0}\n", asset.asset);
if (asset.includedObjects != null)
{
foreach (var obj in asset.includedObjects)
{
msg += string.Format("\t\t{0}\n", obj);
}
}
msg += "\t\t------------------------------\n";
if (asset.referencedObjects != null)
{
foreach (var obj in asset.referencedObjects)
{
msg += string.Format("\t\t{0}\n", obj);
}
}
}
}
if (bundle.assetBundleObjects != null)
{
foreach (var obj in bundle.assetBundleObjects)
{
msg += string.Format("\t{0}\n", obj);
}
}
if (bundle.assetBundleDependencies != null)
{
foreach (var dependency in bundle.assetBundleDependencies)
{
msg += string.Format("\t{0}\n", dependency);
}
}
}
}
UnityEngine.Debug.Log(msg);
}
public static void CalculateAssetBundleBuildDependencies(ref BuildCommandSet commandSet)
{
// Dictionary for quick included asset lookup
var assetToBundleMap = new Dictionary <GUID, string>();
for (var i = 0; i < commandSet.commands.Length; ++i)
{
var bundle = commandSet.commands[i];
foreach (var asset in bundle.explicitAssets)
{
assetToBundleMap.Add(asset.asset, commandSet.commands[i].assetBundleName);
}
}
// Calculate dependencies for each bundle
for (var i = 0; i < commandSet.commands.Length; ++i)
{
CalculateAssetBundleDependencies(ref commandSet.commands[i], assetToBundleMap);
}
}
private static extern void WriteResourceFilesForBundle_Injected(BuildCommandSet commands, string bundleName, ref BuildSettings settings, BuildUsageTagSet usageSet, string outputFolder, out BuildOutput ret);
extern public static BuildOutput WriteAllResourceFiles(BuildCommandSet commands, BuildSettings settings, BuildUsageTagSet usageSet, string outputFolder);
extern public static BuildOutput WriteResourceFilesForBundles(BuildCommandSet commands, string[] bundleNames, BuildSettings settings, BuildUsageTagSet usageSet, string outputFolder);
private static extern void WriteResourceFiles_Injected(ref BuildCommandSet commands, ref BuildSettings settings, out BuildOutput ret);
