all: rename mach.Entity.Mod -> mach.Entities.Mod

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

examples/custom-renderer/App.zig

@@ -48,7 +48,7 @@ fn init(
     // These are injected dependencies - as long as these modules were registered in the top-level
     // of the program we can have these types injected here, letting us work with other modules in
     // our program seamlessly and with a type-safe API:
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     renderer: *Renderer.Mod,
     game: *Mod,
@@ -56,7 +56,7 @@ fn init(
     renderer.send(.init, .{});
 
     // Create our player entity.
-    const player = try entity.new();
+    const player = try entities.new();
 
     // Give our player entity a .renderer.position and .renderer.scale component. Note that these
     // are defined by the Renderer module, so we use `renderer: *Renderer.Mod` to interact with
@@ -82,7 +82,7 @@ fn init(
 
 // TODO(important): remove need for returning an error here
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     renderer: *Renderer.Mod,
     game: *Mod,
@@ -136,7 +136,7 @@ fn tick(
         _ = game.state().spawn_timer.lap(); // Reset the timer
         for (0..5) |_| {
             // Spawn a new entity at the same position as the player, but smaller in scale.
-            const new_entity = try entity.new();
+            const new_entity = try entities.new();
             try renderer.set(new_entity, .position, player_pos);
             try renderer.set(new_entity, .scale, 1.0 / 6.0);
 
@@ -162,7 +162,7 @@ fn tick(
     } });
     while (archetypes_iter.next()) |archetype| {
         // Iterate the ID and position of each entity
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const positions = archetype.slice(.renderer, .position);
         for (ids, positions) |id, position| {
             // Nested query to find all the other follower entities that we should move away from.
@@ -175,7 +175,7 @@ fn tick(
                 .{ .app = &.{.follower} },
             } });
             while (archetypes_iter_2.next()) |archetype_2| {
-                const other_ids = archetype_2.slice(.entity, .id);
+                const other_ids = archetype_2.slice(.entities, .id);
                 const other_positions = archetype_2.slice(.renderer, .position);
                 for (other_ids, other_positions) |other_id, other_position| {
                     if (id == other_id) continue;

examples/custom-renderer/Renderer.zig

@@ -143,7 +143,7 @@ fn renderFrame(
     } });
     var num_entities: usize = 0;
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const positions = archetype.slice(.renderer, .position);
         const scales = archetype.slice(.renderer, .scale);
         for (ids, positions, scales) |id, position, scale| {

examples/glyphs/App.zig

@@ -60,7 +60,7 @@ fn init(core: *mach.Core.Mod, sprite_pipeline: *gfx.SpritePipeline.Mod, glyphs:
 }
 
 fn afterInit(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     sprite: *gfx.Sprite.Mod,
     sprite_pipeline: *gfx.SpritePipeline.Mod,
     glyphs: *Glyphs.Mod,
@@ -68,7 +68,7 @@ fn afterInit(
 ) !void {
     // Create a sprite rendering pipeline
     const texture = glyphs.state().texture;
-    const pipeline = try entity.new();
+    const pipeline = try entities.new();
     try sprite_pipeline.set(pipeline, .texture, texture);
     sprite_pipeline.send(.update, .{});
 
@@ -77,7 +77,7 @@ fn afterInit(
     // type than the `.physics2d` module's `.location` component if you desire.
 
     const r = glyphs.state().regions.get('?').?;
-    const player = try entity.new();
+    const player = try entities.new();
     try sprite.set(player, .transform, Mat4x4.translate(vec3(-0.02, 0, 0)));
     try sprite.set(player, .pipeline, pipeline);
     try sprite.set(player, .size, vec2(@floatFromInt(r.width), @floatFromInt(r.height)));
@@ -98,7 +98,7 @@ fn afterInit(
 }
 
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     sprite: *gfx.Sprite.Mod,
     sprite_pipeline: *gfx.SpritePipeline.Mod,
@@ -152,7 +152,7 @@ fn tick(
             const rand_index = game.state().rand.random().intRangeAtMost(usize, 0, glyphs.state().regions.count() - 1);
             const r = glyphs.state().regions.entries.get(rand_index).value;
 
-            const new_entity = try entity.new();
+            const new_entity = try entities.new();
             try sprite.set(new_entity, .transform, Mat4x4.translate(new_pos).mul(&Mat4x4.scaleScalar(0.3)));
             try sprite.set(new_entity, .size, vec2(@floatFromInt(r.width), @floatFromInt(r.height)));
             try sprite.set(new_entity, .uv_transform, Mat3x3.translate(vec2(@floatFromInt(r.x), @floatFromInt(r.y))));
@@ -169,7 +169,7 @@ fn tick(
         .{ .mach_gfx_sprite = &.{.transform} },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const transforms = archetype.slice(.mach_gfx_sprite, .transform);
         for (ids, transforms) |id, *old_transform| {
             var location = old_transform.translation();

examples/piano/App.zig

@@ -65,7 +65,7 @@ fn deinit(core: *mach.Core.Mod, audio: *mach.Audio.Mod) void {
 }
 
 fn audioStateChange(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     audio: *mach.Audio.Mod,
     app: *Mod,
 ) !void {
@@ -75,14 +75,14 @@ fn audioStateChange(
     } });
     while (archetypes_iter.next()) |archetype| {
         for (
-            archetype.slice(.entity, .id),
+            archetype.slice(.entities, .id),
             archetype.slice(.mach_audio, .playing),
         ) |id, playing| {
             if (playing) continue;
 
             if (app.get(id, .play_after)) |frequency| {
                 // Play a new sound
-                const e = try entity.new();
+                const e = try entities.new();
                 try audio.set(e, .samples, try fillTone(audio, frequency));
                 try audio.set(e, .channels, @intCast(audio.state().player.channels().len));
                 try audio.set(e, .playing, true);
@@ -90,13 +90,13 @@ fn audioStateChange(
             }
 
             // Remove the entity for the old sound
-            try entity.remove(id);
+            try entities.remove(id);
         }
     }
 }
 
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     audio: *mach.Audio.Mod,
     app: *Mod,
@@ -123,7 +123,7 @@ fn tick(
                     // Piano keys
                     else => {
                         // Play a new sound
-                        const e = try entity.new();
+                        const e = try entities.new();
                         try audio.set(e, .samples, try fillTone(audio, keyToFrequency(ev.key)));
                         try audio.set(e, .channels, @intCast(audio.state().player.channels().len));
                         try audio.set(e, .playing, true);

examples/play-opus/App.zig

@@ -33,7 +33,7 @@ pub const components = .{
 sfx: Opus,
 
 fn init(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     audio: *mach.Audio.Mod,
     app: *Mod,
@@ -53,7 +53,7 @@ fn init(
     // Initialize module state
     app.init(.{ .sfx = sfx });
 
-    const bgm_entity = try entity.new();
+    const bgm_entity = try entities.new();
     try app.set(bgm_entity, .is_bgm, {});
     try audio.set(bgm_entity, .samples, bgm.samples);
     try audio.set(bgm_entity, .channels, bgm.channels);
@@ -80,7 +80,7 @@ fn deinit(core: *mach.Core.Mod, audio: *mach.Audio.Mod) void {
 }
 
 fn audioStateChange(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     audio: *mach.Audio.Mod,
     app: *Mod,
 ) !void {
@@ -88,7 +88,7 @@ fn audioStateChange(
     var archetypes_iter = audio.__entities.queryDeprecated(.{ .all = &.{.{ .mach_audio = &.{.playing} }} });
     while (archetypes_iter.next()) |archetype| {
         for (
-            archetype.slice(.entity, .id),
+            archetype.slice(.entities, .id),
             archetype.slice(.mach_audio, .playing),
         ) |id, playing| {
             if (playing) continue;
@@ -99,14 +99,14 @@ fn audioStateChange(
                 try audio.set(id, .playing, true);
             } else {
                 // Remove the entity for the old sound
-                try entity.remove(id);
+                try entities.remove(id);
             }
         }
     }
 }
 
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     audio: *mach.Audio.Mod,
     app: *Mod,
@@ -128,7 +128,7 @@ fn tick(
                 },
                 else => {
                     // Play a new SFX
-                    const e = try entity.new();
+                    const e = try entities.new();
                     try audio.set(e, .samples, app.state().sfx.samples);
                     try audio.set(e, .channels, app.state().sfx.channels);
                     try audio.set(e, .index, 0);

examples/sprite/App.zig

@@ -52,7 +52,7 @@ fn deinit(
 }
 
 fn init(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     sprite: *gfx.Sprite.Mod,
     sprite_pipeline: *gfx.SpritePipeline.Mod,
@@ -66,12 +66,12 @@ fn init(
 
     // Create a sprite rendering pipeline
     const allocator = gpa.allocator();
-    const pipeline = try entity.new();
+    const pipeline = try entities.new();
     try sprite_pipeline.set(pipeline, .texture, try loadTexture(core, allocator));
     sprite_pipeline.send(.update, .{});
 
     // Create our player sprite
-    const player = try entity.new();
+    const player = try entities.new();
     try sprite.set(player, .transform, Mat4x4.translate(vec3(-0.02, 0, 0)));
     try sprite.set(player, .size, vec2(32, 32));
     try sprite.set(player, .uv_transform, Mat3x3.translate(vec2(0, 0)));
@@ -95,7 +95,7 @@ fn init(
 }
 
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     sprite: *gfx.Sprite.Mod,
     sprite_pipeline: *gfx.SpritePipeline.Mod,
@@ -145,7 +145,7 @@ fn tick(
             new_pos.v[0] += game.state().rand.random().floatNorm(f32) * 25;
             new_pos.v[1] += game.state().rand.random().floatNorm(f32) * 25;
 
-            const new_entity = try entity.new();
+            const new_entity = try entities.new();
             try sprite.set(new_entity, .transform, Mat4x4.translate(new_pos).mul(&Mat4x4.scale(Vec3.splat(0.3))));
             try sprite.set(new_entity, .size, vec2(32, 32));
             try sprite.set(new_entity, .uv_transform, Mat3x3.translate(vec2(0, 0)));
@@ -162,7 +162,7 @@ fn tick(
         .{ .mach_gfx_sprite = &.{.transform} },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const transforms = archetype.slice(.mach_gfx_sprite, .transform);
         for (ids, transforms) |id, *old_transform| {
             _ = id;

examples/text/App.zig

@@ -63,7 +63,7 @@ fn deinit(
 }
 
 fn init(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     text: *gfx.Text.Mod,
     text_pipeline: *gfx.TextPipeline.Mod,
@@ -74,21 +74,21 @@ fn init(
 
     // TODO: a better way to initialize entities with default values
     // TODO(text): most of these style options are not respected yet.
-    const style1 = try entity.new();
+    const style1 = try entities.new();
     try text_style.set(style1, .font_name, "Roboto Medium"); // TODO
     try text_style.set(style1, .font_size, 48 * gfx.px_per_pt); // 48pt
     try text_style.set(style1, .font_weight, gfx.font_weight_normal);
     try text_style.set(style1, .italic, false);
     try text_style.set(style1, .color, vec4(0.6, 1.0, 0.6, 1.0));
 
-    const style2 = try entity.new();
+    const style2 = try entities.new();
     try text_style.set(style2, .font_name, "Roboto Medium"); // TODO
     try text_style.set(style2, .font_size, 48 * gfx.px_per_pt); // 48pt
     try text_style.set(style2, .font_weight, gfx.font_weight_normal);
     try text_style.set(style2, .italic, true);
     try text_style.set(style2, .color, vec4(0.6, 1.0, 0.6, 1.0));
 
-    const style3 = try entity.new();
+    const style3 = try entities.new();
     try text_style.set(style3, .font_name, "Roboto Medium"); // TODO
     try text_style.set(style3, .font_size, 48 * gfx.px_per_pt); // 48pt
     try text_style.set(style3, .font_weight, gfx.font_weight_bold);
@@ -96,12 +96,12 @@ fn init(
     try text_style.set(style3, .color, vec4(0.6, 1.0, 0.6, 1.0));
 
     // Create a text rendering pipeline
-    const pipeline = try entity.new();
+    const pipeline = try entities.new();
     try text_pipeline.set(pipeline, .is_pipeline, {});
     text_pipeline.send(.update, .{});
 
     // Create some text
-    const player = try entity.new();
+    const player = try entities.new();
     try text.set(player, .pipeline, pipeline);
     try text.set(player, .transform, Mat4x4.scaleScalar(upscale).mul(&Mat4x4.translate(vec3(0, 0, 0))));
 
@@ -133,7 +133,7 @@ fn init(
 }
 
 fn tick(
-    entity: *mach.Entity.Mod,
+    entities: *mach.Entities.Mod,
     core: *mach.Core.Mod,
     text: *gfx.Text.Mod,
     text_pipeline: *gfx.TextPipeline.Mod,
@@ -183,7 +183,7 @@ fn tick(
             new_pos.v[0] += game.state().rand.random().floatNorm(f32) * 50;
             new_pos.v[1] += game.state().rand.random().floatNorm(f32) * 50;
 
-            const new_entity = try entity.new();
+            const new_entity = try entities.new();
             try text.set(new_entity, .pipeline, game.state().pipeline);
             try text.set(new_entity, .transform, Mat4x4.scaleScalar(upscale).mul(&Mat4x4.translate(new_pos)));
 
@@ -205,7 +205,7 @@ fn tick(
         .{ .mach_gfx_text = &.{.transform} },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const transforms = archetype.slice(.mach_gfx_text, .transform);
         for (ids, transforms) |id, *old_transform| {
             _ = id;

src/Audio.zig

@@ -139,7 +139,7 @@ fn audioTick(audio: *Mod) !void {
     } });
     while (archetypes_iter.next()) |archetype| {
         for (
-            archetype.slice(.entity, .id),
+            archetype.slice(.entities, .id),
             archetype.slice(.mach_audio, .samples),
             archetype.slice(.mach_audio, .channels),
             archetype.slice(.mach_audio, .playing),

src/Core.zig

@@ -106,7 +106,7 @@ fn start(core: *Mod) !void {
     core.state().run_state = .running;
 }
 
-fn init(entity: *mach.Entity.Mod, core: *Mod) !void {
+fn init(entities: *mach.Entities.Mod, core: *Mod) !void {
     mach.core.allocator = gpa.allocator(); // TODO: banish this global allocator
 
     // Initialize GPU implementation
@@ -116,7 +116,7 @@ fn init(entity: *mach.Entity.Mod, core: *Mod) !void {
     try mach.core.init(.{});
 
     // TODO(important): update this information upon framebuffer resize events
-    const main_window = try entity.new();
+    const main_window = try entities.new();
     try core.set(main_window, .framebuffer_format, mach.core.descriptor.format);
     try core.set(main_window, .framebuffer_width, mach.core.descriptor.width);
     try core.set(main_window, .framebuffer_height, mach.core.descriptor.height);
@@ -141,7 +141,7 @@ fn update(core: *Mod) !void {
     var num_windows: usize = 0;
     while (archetypes_iter.next()) |archetype| {
         for (
-            archetype.slice(.entity, .id),
+            archetype.slice(.entities, .id),
             archetype.slice(.mach_core, .title),
         ) |window_id, title| {
             num_windows += 1;

src/gfx/Sprite.zig

@@ -49,7 +49,7 @@ fn update(core: *mach.Core.Mod, sprite: *Mod, sprite_pipeline: *gfx.SpritePipeli
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const built_pipelines = archetype.slice(.mach_gfx_sprite_pipeline, .built);
         for (ids, built_pipelines) |pipeline_id, *built| {
             try updatePipeline(core, sprite, sprite_pipeline, pipeline_id, built);

src/gfx/SpritePipeline.zig

@@ -144,7 +144,7 @@ fn update(core: *mach.Core.Mod, sprite_pipeline: *Mod) !void {
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const textures = archetype.slice(.mach_gfx_sprite_pipeline, .texture);
 
         for (ids, textures) |pipeline_id, texture| {
@@ -373,7 +373,7 @@ fn render(sprite_pipeline: *Mod) !void {
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const built_pipelines = archetype.slice(.mach_gfx_sprite_pipeline, .built);
         for (ids, built_pipelines) |pipeline_id, built| {
             // Draw the sprite batch

src/gfx/Text.zig

@@ -65,7 +65,7 @@ fn update(core: *mach.Core.Mod, text: *Mod, text_pipeline: *gfx.TextPipeline.Mod
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const built_pipelines = archetype.slice(.mach_gfx_text_pipeline, .built);
         for (ids, built_pipelines) |pipeline_id, *built| {
             try updatePipeline(core, text, text_pipeline, pipeline_id, built);
@@ -106,7 +106,7 @@ fn updatePipeline(
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const transforms = archetype.slice(.mach_gfx_text, .transform);
         const segment_slices = archetype.slice(.mach_gfx_text, .text);
         const style_slices = archetype.slice(.mach_gfx_text, .style);

src/gfx/TextPipeline.zig

@@ -169,7 +169,7 @@ fn update(core: *mach.Core.Mod, text_pipeline: *Mod) !void {
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         for (ids) |pipeline_id| {
             try buildPipeline(core, text_pipeline, pipeline_id);
         }
@@ -402,7 +402,7 @@ fn render(text_pipeline: *Mod) !void {
         } },
     } });
     while (archetypes_iter.next()) |archetype| {
-        const ids = archetype.slice(.entity, .id);
+        const ids = archetype.slice(.entities, .id);
         const built_pipelines = archetype.slice(.mach_gfx_text_pipeline, .built);
         for (ids, built_pipelines) |pipeline_id, built| {
             // Draw the text batch

src/main.zig

@@ -40,7 +40,7 @@ pub const EventID = @import("module/main.zig").EventID;
 pub const AnyEvent = @import("module/main.zig").AnyEvent;
 pub const merge = @import("module/main.zig").merge;
 pub const builtin_modules = @import("module/main.zig").builtin_modules;
-pub const Entity = @import("module/main.zig").Entity;
+pub const Entities = @import("module/main.zig").Entities;
 
 /// To use experimental sysgpu graphics API, you can write this in your main.zig:
 ///

src/module/Archetype.zig

@@ -290,8 +290,8 @@ pub fn Slicer(comptime modules: anytype) type {
                 @field(component_types_by_name, @tagName(namespace_name)),
                 @tagName(component_name),
             ).type;
-            if (namespace_name == .entity and component_name == .id) {
+            if (namespace_name == .entities and component_name == .id) {
-                const name_id = slicer.archetype.component_names.index("entity.id").?;
+                const name_id = slicer.archetype.component_names.index("entities.id").?;
                 return slicer.archetype.getColumnValues(name_id, Type).?[0..slicer.archetype.len];
             }
             const name = @tagName(namespace_name) ++ "." ++ @tagName(component_name);

src/module/entities.zig

@@ -9,7 +9,7 @@ const StringTable = @import("StringTable.zig");
 const ComponentTypesByName = @import("module.zig").ComponentTypesByName;
 const merge = @import("main.zig").merge;
 const builtin_modules = @import("main.zig").builtin_modules;
-const Entity = @import("main.zig").Entity;
+const Entities = @import("main.zig").Entities;
 const ModuleName = @import("module.zig").ModuleName;
 const ComponentNameM = @import("module.zig").ComponentNameM;
 const ComponentName = @import("module.zig").ComponentName;
@@ -130,7 +130,7 @@ pub fn Database(comptime modules: anytype) type {
                 .component_names = component_names,
                 .buckets = buckets,
             };
-            entities.id_name = entities.componentName(Entity.name, .id);
+            entities.id_name = entities.componentName(Entities.name, .id);
 
             const columns = try allocator.alloc(Archetype.Column, 1);
             columns[0] = .{
@@ -1076,7 +1076,7 @@ test "example" {
     // Query for all entities that have all of the given components
     const W = @TypeOf(world);
     var q = try world.query(.{
-        .ids = W.ComponentQuery{ .read = W.ModuleComponentName{ .module = Entity.name, .component = .id } },
+        .ids = W.ComponentQuery{ .read = W.ModuleComponentName{ .module = Entities.name, .component = .id } },
         .rotations = W.ComponentQuery{ .write = W.ModuleComponentName{ .module = Game.name, .component = .rotation } },
     });
     while (q.next()) |v| {
@@ -1090,7 +1090,7 @@ test "example" {
     // Dynamic queries (e.g. issued from another programming language without comptime)
     var q2 = try world.queryDynamic(.{
         .op_and = &.{
-            .{ .read = world.componentName(Entity.name, .id) },
+            .{ .read = world.componentName(Entities.name, .id) },
             .{ .read = world.componentName(Game.name, .rotation) },
         },
     });

src/module/main.zig

@@ -13,11 +13,11 @@ pub const AnyEvent = @import("module.zig").AnyEvent;
 pub const Merge = @import("module.zig").Merge;
 pub const merge = @import("module.zig").merge;
 
-pub const builtin_modules = .{Entity};
+pub const builtin_modules = .{Entities};
 
-/// Builtin .entity module
+/// Builtin .entities module
-pub const Entity = struct {
+pub const Entities = struct {
-    pub const name = .entity;
+    pub const name = .entities;
 
     pub const Mod = mach.Mod(@This());
 
@@ -82,15 +82,15 @@ test "entities DB" {
     defer world.deinit(allocator);
 
     // Initialize module state.
-    var entity = &world.mod.entity;
+    var entities = &world.mod.entities;
     var physics = &world.mod.physics;
     var renderer = &world.mod.renderer;
     physics.init(.{ .pointer = 123 });
     _ = physics.state().pointer; // == 123
 
-    const player1 = try entity.new();
+    const player1 = try try entities.new();
-    const player2 = try entity.new();
+    const player2 = try try entities.new();
-    const player3 = try entity.new();
+    const player3 = try try entities.new();
     try physics.set(player1, .id, 1001);
     try renderer.set(player1, .id, 1001);
 

src/module/module.zig

@@ -575,8 +575,8 @@ pub fn ModSet(comptime modules: anytype) type {
             const module_tag = M.name;
             const components = ComponentTypesM(M){};
 
-            if (M.name == .entity) {
+            if (M.name == .entities) {
-                // The .entity module is a special builtin module, with its own unique API.
+                // The .entities module is a special builtin module, with its own unique API.
                 return struct {
                     /// Private/internal fields
                     __entities: *Database(modules),