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ecs: remove half-baked system implementation

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2022-06-25 18:33:11 -07:00 • committed by Stephen Gutekanst
parent f74faf90df
commit 98ec7f5190
2 changed files with 4 additions and 68 deletions
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37
ecs/src/systems.zig
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@ -6,20 +6,6 @@ const StructField = std.builtin.Type.StructField;
const Entities = @import("entities.zig").Entities;
pub fn Adapter(modules: anytype) type {
const all_components = NamespacedComponents(modules);
return struct {
world: *World(modules),
const Self = @This();
pub const Iterator = Entities(all_components).Iterator;
pub fn query(adapter: *Self, components: []const []const u8) Iterator {
return adapter.world.entities.query(components);
}
};
}
/// An ECS module can provide components, systems, and global values.
pub fn Module(comptime Params: anytype) @TypeOf(Params) {
// TODO: validate the type
@ -168,12 +154,10 @@ pub fn World(comptime modules: anytype) type {
const all_components = namespacedComponents(modules);
return struct {
allocator: Allocator,
systems: std.StringArrayHashMapUnmanaged(System) = .{},
entities: Entities(all_components),
globals: NamespacedGlobals(modules),
const Self = @This();
pub const System = fn (adapter: *Adapter(modules)) void;
pub fn init(allocator: Allocator) !Self {
return Self{
@ -184,7 +168,6 @@ pub fn World(comptime modules: anytype) type {
}
pub fn deinit(world: *Self) void {
world.systems.deinit(world.allocator);
world.entities.deinit();
}
@ -214,25 +197,5 @@ pub fn World(comptime modules: anytype) type {
@tagName(global_tag),
) = value;
}
pub fn register(world: *Self, name: []const u8, system: System) !void {
try world.systems.put(world.allocator, name, system);
}
pub fn unregister(world: *Self, name: []const u8) void {
world.systems.orderedRemove(name);
}
pub fn tick(world: *Self) void {
var i: usize = 0;
while (i < world.systems.count()) : (i += 1) {
const system = world.systems.entries.get(i).value;
var adapter = Adapter(modules){
.world = world,
};
system(&adapter);
}
}
};
}