add basic entity component system

1 files changed, 39 insertions, 0 deletions

diff --git a/src/ecs/component.zig b/src/ecs/component.zig
new file mode 100644
index 0000000..4a10172
--- /dev/null
+++ b/src/ecs/component.zig
@@ -0,0 +1,39 @@
+const std = @import("std");
+
+pub const ComponentStub = struct {
+    pub fn init(args: ComponentStub) ComponentStub {
+        _ = args;
+        return .{};
+    }
+
+    pub fn deinit(self: *ComponentStub) void {
+        _ = self;
+    }
+};
+
+pub const ComponentType = enum(usize) {
+    component_stub = 0,
+};
+
+pub const Component = union(ComponentType) {
+    component_stub: ComponentStub,
+
+    pub fn init(t: ComponentType, args: anytype) Component {
+        switch (t) {
+            ComponentType.component_stub => return Component{
+                .component_stub = ComponentStub.init(args),
+            },
+        }
+    }
+
+    pub fn deinit(self: *Component) void {
+        switch (self.*) {
+            .component_stub => |*comp| comp.deinit(),
+        }
+    }
+};
+
+test "stub component" {
+    var stub = Component.init(ComponentType.component_stub, .{});
+    defer stub.deinit();
+}