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ecs: replace world.tick() with generic world.send(.tick) message passing

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2023-03-26 08:43:38 -07:00 • committed by Stephen Gutekanst
parent a1eda25ec2
commit 2879ad58b0
3 changed files with 5 additions and 5 deletions
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2
libs/ecs/src/main.zig
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@ -83,5 +83,5 @@ test "example" {
try world.entities.setComponent(player2, .physics, .id, 1234); try world.entities.setComponent(player2, .physics, .id, 1234);
try world.entities.setComponent(player3, .physics, .id, 1234); try world.entities.setComponent(player3, .physics, .id, 1234);
world.tick(); world.send(.tick);
} }

6
libs/ecs/src/systems.zig
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@ -268,13 +268,13 @@ pub fn World(comptime modules: anytype) type {
) = value; ) = value;
} }
/// Tick sends the global 'tick' message to all modules that are subscribed to it. /// Broadcasts a global message to all modules that are subscribed to it.
pub fn tick(world: *Self) void { pub fn send(world: *Self, comptime msg_tag: anytype) void {
_ = world; _ = world;
inline for (std.meta.fields(@TypeOf(modules))) |module_field| { inline for (std.meta.fields(@TypeOf(modules))) |module_field| {
const module = @field(modules, module_field.name); const module = @field(modules, module_field.name);
if (@hasField(@TypeOf(module), "messages")) { if (@hasField(@TypeOf(module), "messages")) {
if (@hasField(module.messages, "tick")) module.update(.tick); if (@hasField(module.messages, @tagName(msg_tag))) module.update(msg_tag);
} }
} }
} }

2
src/engine.zig
View file

@ -48,7 +48,7 @@ pub fn App(
} }
pub fn update(app: *@This()) !bool { pub fn update(app: *@This()) !bool {
app.engine.tick(); app.engine.send(.tick);
return false; return false;
} }
}; };