{Core,examples}: add TODO markers for core APIs that require module exposure

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

examples/core-custom-entrypoint/Game.zig

@@ -61,6 +61,7 @@ pub fn deinit(game: *Mod) void {
 // 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.
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     while (iter.next()) |event| {
         switch (event) {
@@ -70,6 +71,7 @@ fn tick(core: *mach.Core.Mod, game: *Mod) !void {
     }
 
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 
@@ -119,6 +121,7 @@ fn updateWindowTitle(core: *mach.Core.Mod) !void {
         core.state().main_window,
         "core-custom-entrypoint [ {d}fps ] [ Input {d}hz ]",
         .{
+            // TODO(Core)
             mach.core.frameRate(),
             mach.core.inputRate(),
         },

examples/custom-renderer/Game.zig

@@ -77,6 +77,7 @@ fn tick(
     game: *Mod,
 ) !void {
     // TODO(important): event polling should occur in mach.Core module and get fired as ECS event.
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     var direction = game.state().direction;
     var spawning = game.state().spawning;

examples/custom-renderer/Renderer.zig

@@ -122,10 +122,8 @@ fn tick(
     core: *mach.Core.Mod,
     renderer: *Mod,
 ) !void {
-    const device = core.state().device;
-    _ = device; // autofix
-
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 

examples/glyphs/Game.zig

@@ -96,6 +96,7 @@ fn tick(
     game: *Mod,
 ) !void {
     // TODO(important): event polling should occur in mach.Core module and get fired as ECS events.
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     var direction = game.state().direction;
     var spawning = game.state().spawning;
@@ -163,6 +164,7 @@ fn tick(
         for (ids, transforms) |id, *old_transform| {
             var location = old_transform.translation();
             // TODO: formatting
+            // TODO(Core)
             if (location.x() < -@as(f32, @floatFromInt(mach.core.size().width)) / 1.5 or location.x() > @as(f32, @floatFromInt(mach.core.size().width)) / 1.5 or location.y() < -@as(f32, @floatFromInt(mach.core.size().height)) / 1.5 or location.y() > @as(f32, @floatFromInt(mach.core.size().height)) / 1.5) {
                 try core.entities.remove(id);
                 game.state().sprites -= 1;
@@ -200,6 +202,7 @@ fn tick(
     game.state().frame_encoder = core.state().device.createCommandEncoder(&.{ .label = label });
 
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 

examples/piano/Piano.zig

@@ -78,6 +78,7 @@ fn tick(
     audio: *mach.Audio.Mod,
     piano: *Mod,
 ) !void {
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     while (iter.next()) |event| {
         switch (event) {
@@ -111,6 +112,7 @@ fn tick(
     }
 
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 
@@ -174,6 +176,7 @@ fn fillTone(audio: *mach.Audio.Mod, frequency: f32) ![]const f32 {
     return samples;
 }
 
+// TODO(Core)
 fn keyToFrequency(key: mach.core.Key) f32 {
     // The frequencies here just come from a piano frequencies chart. You can google for them.
     return switch (key) {

examples/sprite/Game.zig

@@ -90,6 +90,7 @@ fn tick(
     game: *Mod,
 ) !void {
     // TODO(important): event polling should occur in mach.Core module and get fired as ECS events.
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     var direction = game.state().direction;
     var spawning = game.state().spawning;
@@ -184,6 +185,7 @@ fn tick(
     game.state().frame_encoder = core.state().device.createCommandEncoder(&.{ .label = label });
 
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 

examples/text/Game.zig

@@ -128,6 +128,7 @@ fn tick(
     game: *Mod,
 ) !void {
     // TODO(important): event polling should occur in mach.Core module and get fired as ECS events.
+    // TODO(Core)
     var iter = mach.core.pollEvents();
     var direction = game.state().direction;
     var spawning = game.state().spawning;
@@ -228,6 +229,7 @@ fn tick(
     game.state().frame_encoder = core.state().device.createCommandEncoder(&.{ .label = label });
 
     // Grab the back buffer of the swapchain
+    // TODO(Core)
     const back_buffer_view = mach.core.swap_chain.getCurrentTextureView().?;
     defer back_buffer_view.release();
 

src/gfx/SpritePipeline.zig

@@ -341,6 +341,7 @@ fn preRender(sprite_pipeline: *Mod, core: *mach.Core.Mod) void {
             // Create the projection matrix
             // TODO(sprite): move this out of the hot codepath
             const proj = math.Mat4x4.projection2D(.{
+                // TODO(Core)
                 .left = -@as(f32, @floatFromInt(mach.core.size().width)) / 2,
                 .right = @as(f32, @floatFromInt(mach.core.size().width)) / 2,
                 .bottom = -@as(f32, @floatFromInt(mach.core.size().height)) / 2,

src/gfx/TextPipeline.zig

@@ -366,6 +366,7 @@ fn preRender(text_pipeline: *Mod, core: *mach.Core.Mod) void {
             // Create the projection matrix
             // TODO(text): move this out of the hot codepath
             const proj = math.Mat4x4.projection2D(.{
+                // TODO(Core)
                 .left = -@as(f32, @floatFromInt(mach.core.size().width)) / 2,
                 .right = @as(f32, @floatFromInt(mach.core.size().width)) / 2,
                 .bottom = -@as(f32, @floatFromInt(mach.core.size().height)) / 2,