public static BuildPipelineCodes Build(BuildInput input, BuildSettings settings, out BuildDependencyInformation buildInfo, bool useCache = false, BuildProgressTracker progressTracker = null)
{
buildInfo = null;
// Rebuild sprite atlas cache for correct dependency calculation & writing
var spriteCacher = new SpriteAtlasCacher(useCache, progressTracker);
var exitCode = spriteCacher.Convert(settings.target);
if (exitCode < BuildPipelineCodes.Success)
return exitCode;
// Generate dependency information for all assets in BuildInput
var buildInputDependency = new BuildInputDependency(useCache, progressTracker);
exitCode = buildInputDependency.Convert(input, settings, out buildInfo);
if (exitCode < BuildPipelineCodes.Success)
return exitCode;
return exitCode;
}
internal static AssetBundleManifest BuildAssetBundles_Internal(string outputPath, BuildInput buildInput, BuildAssetBundleOptions assetBundleOptions, BuildTarget targetPlatform)
{
var playerSettings = PlayerBuildPipeline.GeneratePlayerBuildSettings(targetPlatform);
ScriptCompilationResult scriptResults;
var errorCode = PlayerBuildPipeline.BuildPlayerScripts(playerSettings, out scriptResults);
if (errorCode < BuildPipelineCodes.Success)
{
return(null);
}
var bundleSettings = BundleBuildPipeline.GenerateBundleBuildSettings(scriptResults.typeDB, targetPlatform);
BuildCompression compression = BuildCompression.DefaultLZMA;
if ((assetBundleOptions & BuildAssetBundleOptions.ChunkBasedCompression) != 0)
{
compression = BuildCompression.DefaultLZ4;
}
else if ((assetBundleOptions & BuildAssetBundleOptions.UncompressedAssetBundle) != 0)
{
compression = BuildCompression.DefaultUncompressed;
}
var useCache = (assetBundleOptions & BuildAssetBundleOptions.ForceRebuildAssetBundle) == 0;
BundleBuildResult result;
errorCode = BundleBuildPipeline.BuildAssetBundles(buildInput, bundleSettings, compression, outputPath, out result, useCache);
if (errorCode < BuildPipelineCodes.Success)
{
return(null);
}
// TODO: Unity 5 Manifest
return(null);
}
public static bool GenerateBuildInput(this AddressableAssetSettings settings, out BuildInput input)
{
return(new AddressableAssetPacker().Convert(settings.GetEntries(), out input, false));
}
public static BuildPipelineCodes BuildAssetBundles(BuildInput input, BuildSettings settings, BuildCompression compression, string outputFolder, out BuildResultInfo result, object callbackUserData = null, bool useCache = true)
{
var buildTimer = new Stopwatch();
buildTimer.Start();
if (ProjectValidator.HasDirtyScenes())
{
result = new BuildResultInfo();
buildTimer.Stop();
BuildLogger.LogError("Build Asset Bundles failed in: {0:c}. Error: {1}.", buildTimer.Elapsed, BuildPipelineCodes.UnsavedChanges);
return(BuildPipelineCodes.UnsavedChanges);
}
var exitCode = BuildPipelineCodes.Success;
result = new BuildResultInfo();
AssetDatabase.SaveAssets();
// TODO: Until new AssetDatabaseV2 is online, we need to switch platforms
EditorUserBuildSettings.SwitchActiveBuildTarget(settings.group, settings.target);
var stepCount = BundleDependencyStep.StepCount + BundlePackingStep.StepCount + BundleWritingStep.StepCount;
using (var progressTracker = new BuildProgressTracker(stepCount))
{
using (var buildCleanup = new BuildStateCleanup(true, kTempBundleBuildPath))
{
BuildDependencyInfo buildInfo;
exitCode = BundleDependencyStep.Build(input, settings, out buildInfo, useCache, progressTracker);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
if (PostBuildDependency != null)
{
exitCode = PostBuildDependency.Invoke(buildInfo, callbackUserData);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
}
BuildWriteInfo writeInfo;
exitCode = BundlePackingStep.Build(buildInfo, out writeInfo, useCache, progressTracker);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
if (PostBuildPacking != null)
{
exitCode = PostBuildPacking.Invoke(buildInfo, writeInfo, callbackUserData);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
}
exitCode = BundleWritingStep.Build(settings, compression, outputFolder, buildInfo, writeInfo, out result, useCache, progressTracker);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
if (PostBuildWriting != null)
{
exitCode = PostBuildWriting.Invoke(buildInfo, writeInfo, result, callbackUserData);
if (exitCode < BuildPipelineCodes.Success)
{
return(exitCode);
}
}
}
}
buildTimer.Stop();
if (exitCode >= BuildPipelineCodes.Success)
{
BuildLogger.Log("Build Asset Bundles successful in: {0:c}", buildTimer.Elapsed);
}
else if (exitCode == BuildPipelineCodes.Canceled)
{
BuildLogger.LogWarning("Build Asset Bundles canceled in: {0:c}", buildTimer.Elapsed);
}
else
{
BuildLogger.LogError("Build Asset Bundles failed in: {0:c}. Error: {1}.", buildTimer.Elapsed, exitCode);
}
return(exitCode);
}
public static BuildCommandSet GenerateBuildCommandSet(BuildInput input, BuildSettings settings)
{
// Rebuild sprite atlas cache for correct dependency calculation
Packer.RebuildAtlasCacheIfNeeded(settings.target, true, Packer.Execution.Normal);
// 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.GetObjectIdentifiersInAsset(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[explicitAsset.referencedObjects[0].guid] = new StriteTextures(explicitAsset.includedObjects[0], explicitAsset.referencedObjects[0], command.assetBundleName);
}
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);
}
