Core: use .app local init/deinit/tick events (avoid global events)

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

examples/core-custom-entrypoint/App.zig

@@ -5,14 +5,20 @@ const gpu = mach.gpu;
 pub const name = .app;
 pub const Mod = mach.Mod(@This());
 
-pub const global_events = .{
+pub const local_events = .{
     .init = .{ .handler = init },
+    .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },
 };
 
 title_timer: mach.Timer,
 pipeline: *gpu.RenderPipeline,
 
+pub fn deinit(core: *mach.Core.Mod, game: *Mod) void {
+    game.state().pipeline.release();
+    core.send(.deinit, .{});
+}
+
 fn init(game: *Mod, core: *mach.Core.Mod) !void {
     // Create our shader module
     const shader_module = core.state().device.createShaderModuleWGSL("shader.wgsl", @embedFile("shader.wgsl"));
@@ -54,10 +60,6 @@ fn init(game: *Mod, core: *mach.Core.Mod) !void {
     try updateWindowTitle(core);
 }
 
-pub fn deinit(game: *Mod) void {
-    game.state().pipeline.release();
-}
-
 // TODO(important): remove need for returning an error here
 fn tick(core: *mach.Core.Mod, game: *Mod) !void {
     // TODO(important): event polling should occur in mach.Core module and get fired as ECS event.

examples/custom-renderer/App.zig

@@ -22,10 +22,10 @@ pub const components = .{
     .follower = .{ .type = void },
 };
 
-// Global events that we will listen for.
-pub const global_events = .{
-    .init = .{ .handler = init }, // Event sent on app startup
-    .tick = .{ .handler = tick }, // Event sent on each frame
+pub const local_events = .{
+    .init = .{ .handler = init },
+    .deinit = .{ .handler = deinit },
+    .tick = .{ .handler = tick },
 };
 
 // Define the globally unique name of our module. You can use any name here, but keep in mind no
@@ -38,6 +38,10 @@ pub const name = .app;
 // Note that Mod.state() returns an instance of our module struct.
 pub const Mod = mach.Mod(@This());
 
+pub fn deinit(core: *mach.Core.Mod) void {
+    core.send(.deinit, .{});
+}
+
 // TODO(important): remove need for returning an error here
 fn init(
     // These are injected dependencies - as long as these modules were registered in the top-level

examples/custom-renderer/Renderer.zig

@@ -27,7 +27,7 @@ pub const components = .{
     .scale = .{ .type = f32 },
 };
 
-pub const global_events = .{
+pub const local_events = .{
     .init = .{ .handler = init },
     .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },

examples/glyphs/App.zig

@@ -32,20 +32,18 @@ frame_render_pass: *gpu.RenderPassEncoder = undefined,
 pub const name = .app;
 pub const Mod = mach.Mod(@This());
 
-pub const global_events = .{
+pub const local_events = .{
     .init = .{ .handler = init },
     .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },
-};
-
-pub const local_events = .{
     .after_init = .{ .handler = afterInit },
     .end_frame = .{ .handler = endFrame },
 };
 
-fn deinit(sprite_pipeline: *gfx.SpritePipeline.Mod, glyphs: *Glyphs.Mod) !void {
+fn deinit(core: *mach.Core.Mod, sprite_pipeline: *gfx.SpritePipeline.Mod, glyphs: *Glyphs.Mod) !void {
     sprite_pipeline.send(.deinit, .{});
     glyphs.send(.deinit, .{});
+    core.send(.deinit, .{});
 }
 
 fn init(sprite_pipeline: *gfx.SpritePipeline.Mod, glyphs: *Glyphs.Mod, game: *Mod) !void {

examples/piano/App.zig

@@ -24,14 +24,12 @@ pub const name = .app;
 pub const Mod = mach.Mod(@This());
 
 pub const global_events = .{
-    .init = .{ .handler = init },
-    .deinit = .{ .handler = deinit },
-    .tick = .{ .handler = tick },
     .audio_state_change = .{ .handler = audioStateChange },
 };
 
 pub const local_events = .{
     .init = .{ .handler = init },
+    .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },
 };
 
@@ -55,9 +53,9 @@ fn init(audio: *mach.Audio.Mod, piano: *Mod) void {
     std.debug.print("[arrow down] decrease volume 10%\n", .{});
 }
 
-fn deinit(audio: *mach.Audio.Mod) void {
-    // Initialize audio module
+fn deinit(core: *mach.Core.Mod, audio: *mach.Audio.Mod) void {
     audio.send(.deinit, .{});
+    core.send(.deinit, .{});
 }
 
 fn audioStateChange(

examples/sprite/App.zig

@@ -36,20 +36,19 @@ frame_render_pass: *gpu.RenderPassEncoder = undefined,
 pub const name = .app;
 pub const Mod = mach.Mod(@This());
 
-pub const global_events = .{
+pub const local_events = .{
     .init = .{ .handler = init },
     .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },
-};
-
-pub const local_events = .{
     .end_frame = .{ .handler = endFrame },
 };
 
 fn deinit(
+    core: *mach.Core.Mod,
     sprite_pipeline: *gfx.SpritePipeline.Mod,
 ) !void {
     sprite_pipeline.send(.init, .{});
+    core.send(.deinit, .{});
 }
 
 fn init(

examples/text/App.zig

@@ -34,16 +34,13 @@ frame_render_pass: *gpu.RenderPassEncoder = undefined,
 
 // Define the globally unique name of our module. You can use any name here, but keep in mind no
 // two modules in the program can have the same name.
-pub const name = .game;
+pub const name = .app;
 pub const Mod = mach.Mod(@This());
 
-pub const global_events = .{
+pub const local_events = .{
     .init = .{ .handler = init },
     .deinit = .{ .handler = deinit },
     .tick = .{ .handler = tick },
-};
-
-pub const local_events = .{
     .end_frame = .{ .handler = endFrame },
 };
 
@@ -58,9 +55,11 @@ const text1: []const []const u8 = &.{
 const text2: []const []const u8 = &.{"$!?😊"};
 
 fn deinit(
+    core: *mach.Core.Mod,
     text_pipeline: *gfx.TextPipeline.Mod,
 ) !void {
     text_pipeline.send(.deinit, .{});
+    core.send(.deinit, .{});
 }
 
 fn init(