/// <summary>
/// Generates entry point for the applicaton `main.js`
/// This script will contain the system scheduling, window setup and initial group loading
/// </summary>
private static void GenerateMain(UTinyBuildOptions options, UTinyBuildResults results)
{
var project = options.Project;
var registry = project.Registry;
var module = project.Module.Dereference(registry);
var file = new FileInfo(Path.Combine(results.BinaryFolder.FullName, KMainFileName));
var writer = new UTinyCodeWriter();
PrependGeneratedHeader(writer, options.Project.Name);
var distVersionFile = new FileInfo("UTiny/version.txt");
var versionString = "internal";
if (distVersionFile.Exists)
{
versionString = File.ReadAllText(distVersionFile.FullName);
}
writer.LineFormat("console.log('runtime version: {0}');", versionString)
.Line();
var namespaces = new Dictionary <string, string>();
foreach (var m in module.EnumerateDependencies())
{
if (string.IsNullOrEmpty(m.Namespace))
{
continue;
}
if (m.IsRuntimeIncluded)
{
writer.Line($"ut.importModule({m.Namespace});");
continue;
}
string content;
namespaces.TryGetValue(m.Namespace, out content);
content += m.Documentation.Summary;
namespaces[m.Namespace] = content;
}
UTinyJsdoc.WriteType(writer, "ut.World", "Singleton world instance");
writer.Line("var world;");
using (writer.Scope("ut.main = function()"))
{
// Create and setup the world
writer
.Line("world = new ut.World();")
.Line("var options = WorldSetup(world);");
// Write configurations
var context = new EntityGroupSetupVisitor.VisitorContext
{
Project = project,
Module = project.Module.Dereference(project.Registry),
Registry = project.Registry,
Writer = writer,
EntityIndexMap = null
};
var configuration = project.Configuration.Dereference(registry);
foreach (var component in configuration.Components)
{
var moduleContainingType = registry.FindAllByType <UTinyModule>().First(m => m.Types.Contains(component.Type));
if (!module.EnumerateDependencies().Contains(moduleContainingType))
{
// Silently ignore components if the module is not included.
// This is by design to preserve user data
continue;
}
var type = component.Type.Dereference(component.Registry);
var index = ++context.ComponentIndex;
writer.Line($"var c{index} = world.config({UTinyBuildPipeline.GetJsTypeName(type)});");
component.Properties.Visit(new EntityGroupSetupVisitor.ComponentVisitor
{
VisitorContext = context,
Path = $"c{index}",
});
}
// Setup the scheduler
writer.Line("var scheduler = world.scheduler();");
// Schedule all systems
var systems = project.Module.Dereference(project.Registry).GetSystemExecutionOrder();
foreach (var reference in systems)
{
var system = reference.Dereference(project.Registry);
if (system == null)
{
Debug.LogWarning($"Can't resolve system named '{reference.Name}' with ID {reference.Id} -- ignoring, you should delete this system");
continue;
}
var systemModule = UTinyUtility.GetModules(system).FirstOrDefault();
var systemName = UTinyBuildPipeline.GetJsTypeName(systemModule, system);
writer.LineFormat("scheduler.schedule({0});", systemName);
}
// Enable/disable systems
foreach (var reference in systems)
{
var system = reference.Dereference(project.Registry);
// By default systems are enabled when scheduled, nothing to write
if (system == null || system.Enabled)
{
continue;
}
var systemModule = UTinyUtility.GetModules(system).FirstOrDefault();
var systemName = UTinyBuildPipeline.GetJsTypeName(systemModule, system);
// @NOTE Disable currently accepts a string and NOT the `ut.System` object
writer.LineFormat("scheduler.disable({0});", EscapeJsString(systemName));
}
writer.Line("try { ut.Runtime.Service.run(world); } catch (e) { if (e !== 'SimulateInfiniteLoop') throw e; }");
}
writer.Line();
using (writer.Scope("function WorldSetup(world)"))
{
writer.LineFormat("UT_ASSETS_SETUP(world);");
var startupEntityGroup = module.StartupEntityGroup.Dereference(module.Registry);
if (null != startupEntityGroup)
{
writer.Line($"{KEntityGroupNamespace}.{module.Namespace}[\"{module.StartupEntityGroup.Dereference(module.Registry).Name}\"].load(world);");
}
else
{
Debug.LogError($"{UTinyConstants.ApplicationName}: BuildError - No startup group has been set");
}
using (writer.Scope("return"))
{
writer
.LineFormat("canvasWidth: {0},", project.Settings.CanvasWidth)
.LineFormat("canvasHeight: {0},", project.Settings.CanvasHeight)
.LineFormat("canvasAutoResize: {0},", project.Settings.CanvasAutoResize ? "true" : "false");
}
#if UNITY_EDITOR_WIN
writer.Length -= 2;
#else
writer.Length -= 1;
#endif
writer.WriteRaw(";").Line();
}
File.WriteAllText(file.FullName, writer.ToString(), Encoding.UTF8);
results.BuildReport.GetOrAddChild(UTinyBuildReport.CodeNode).AddChild(file);
}
/// <summary>
/// Packages system objects to `systems.js`
///
/// All systems and system dependencies are written to this file
/// </summary>
private static void GenerateSystems(UTinyBuildOptions options, UTinyBuildResults results)
{
var project = options.Project;
var report = results.BuildReport.GetOrAddChild(UTinyBuildReport.CodeNode).AddChild();
var file = new FileInfo(Path.Combine(results.BinaryFolder.FullName, KSystemsFileName));
var writer = new UTinyCodeWriter(CodeStyle.JavaScript);
PrependGeneratedHeader(writer, options.Project.Name);
foreach (var reference in project.Module.Dereference(project.Registry).GetSystemExecutionOrder())
{
var system = reference.Dereference(project.Registry);
if (system == null)
{
Debug.LogWarning($"Can't resolve system named '{reference.Name}' with ID {reference.Id} -- ignoring, you should delete this system");
continue;
}
if (system.External)
{
continue;
}
// Fetch the module this system belongs to
var systemModule = UTinyUtility.GetModules(system).FirstOrDefault();
if (system.IsRuntimeIncluded)
{
continue;
}
var reportSystemPos = writer.Length;
UTinyJsdoc.WriteSystem(writer, system);
writer.Line($"{UTinyBuildPipeline.GetJsTypeName(systemModule, system)}.update = {UTinyBuildPipeline.GenerateSystemPrefix(system)}");
writer.IncrementIndent();
if (system.IncludeIterator)
{
writer.Line(UTinyBuildPipeline.GenerateSystemIteratorPrefix(system));
writer.IncrementIndent();
}
var text = system.TextAsset ? system.TextAsset.text : string.Empty;
if (!string.IsNullOrEmpty(text))
{
var lines = text.Split('\n');
foreach (var line in lines)
{
writer.Line(line);
}
}
if (system.IncludeIterator)
{
writer.DecrementIndent();
writer.Line("});");
}
writer.DecrementIndent();
writer.Line(UTinyBuildPipeline.GenerateSystemSuffix(system));
report.AddChild(AssetDatabase.GetAssetPath(system.TextAsset), Encoding.ASCII.GetBytes(writer.Substring(reportSystemPos)), system.TextAsset);
}
File.WriteAllText(file.FullName, writer.ToString(), Encoding.UTF8);
report.Reset(file);
}
