From 3dec2867e5071dadc11f0a2c9160bcb35832926a Mon Sep 17 00:00:00 2001
From: abux <abuxtmk1@gmail.com>
Date: Mon, 13 Jul 2026 19:17:25 +0100
Subject: [PATCH] Added hasComponent | Forgor about it

---
 src/example/simple/component.zig |  2 ++
 src/example/simple/system.zig    | 18 +++++++++++++++++-
 src/world/world.zig              | 10 ++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/example/simple/component.zig b/src/example/simple/component.zig
index 98c1c84..c10ab4a 100644
--- a/src/example/simple/component.zig
+++ b/src/example/simple/component.zig
@@ -41,3 +41,5 @@ pub const Player = struct {
         try writer.print("\"{s}\"", .{self.name});
     }
 };
+
+pub const Dead = struct { value: bool = false };
diff --git a/src/example/simple/system.zig b/src/example/simple/system.zig
index 93aeb6a..d137ca5 100644
--- a/src/example/simple/system.zig
+++ b/src/example/simple/system.zig
@@ -153,7 +153,7 @@ pub fn test_ecs(
     ctx: App.scheduler.Context,
 ) !void {
     // --- SPAWN ENTITY ---
-    try ctx.app.world.spawn(.{
+    const player = try ctx.app.world.spawnEntity(.{
         component.Player{ .name = "abux" },
         component.Material{},
         component.Transform{},
@@ -204,4 +204,20 @@ pub fn test_ecs(
         );
         std.debug.print("\x1b[0m", .{});
     }
+
+    if (ctx.app.world.getComponent(component.Dead, player)) |_| {
+        std.debug.print("------------------>\n", .{});
+    }
+
+    // try ctx.app.world.addComponents(player, .{component.Dead{}});
+    try ctx.app.world.addComponents(player, .{
+        component.Dead{},
+    });
+
+    const cmps = try ctx.app.world.getComponents(struct {
+        mat: *component.Material,
+        dead: ?*component.Dead,
+    }, player);
+
+    if (cmps.dead) |_| {}
 }
diff --git a/src/world/world.zig b/src/world/world.zig
index 8c281b1..d139d59 100644
--- a/src/world/world.zig
+++ b/src/world/world.zig
@@ -225,6 +225,16 @@ pub fn getComponents(
     return result;
 }
 
+/// ----------------------------------------------------
+/// ----------------------------------------------------
+pub fn hasComponent(
+    self: *Self,
+    comptime T: type,
+    entity: u64,
+) bool {
+    return self.getComponent(T, entity) != null;
+}
+
 /// ----------------------------------------------------
 /// ----------------------------------------------------
 pub fn despawn(