cleaned up ecs interface

1 files changed, 8 insertions, 16 deletions

diff --git a/src/main.zig b/src/main.zig
index 30e1281..597011d 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -12,24 +12,14 @@ const components = @import("ecs/components.zig");
 const entities = @import("ecs/entities.zig");
 
 fn testSystem2(pool: *entities.Pool) void {
-    var i = @as(usize, 0);
-    //std.debug.print("test: {d}\n", .{pool.position.components.items.len});
-    for (pool.position.components.items) |position| {
-        const entity = pool.position.dense.items[i];
-        if (pool.speed.dense.items[pool.speed.sparse.items[entity]] == entity) {
-            const speed = pool.speed.components.items[pool.speed.sparse.items[entity]];
+    for (pool.getQuery(components.Position), 0..) |position, i| {
+        const entity = pool.getEntity(i, components.Position);
+        if (pool.getComponent(entity, components.Speed)) |speed| {
             std.debug.print("entity{d}: {any},{any},{any} {any}\n", .{ i, position.x, position.y, position.z, speed.speed });
         }
-
-        i += 1;
     }
 }
 
-fn testSystem(pool: *entities.Pool) void {
-    _ = pool;
-    std.debug.print("test\n", .{});
-}
-
 pub fn main() !void {
     var gpa = std.heap.GeneralPurposeAllocator(.{}){};
     const allocator = gpa.allocator();
@@ -58,9 +48,11 @@ pub fn main() !void {
             testSystem2,
         });
 
-        const entity = try pool.createEntity();
-        try pool.addComponent(entity, components.Position{ .x = 1.0, .y = 0.5, .z = 3.0 });
-        try pool.addComponent(entity, components.Speed{ .speed = 5.0 });
+        for (0..1000) |_| {
+            const entity = try pool.createEntity();
+            try pool.addComponent(entity, components.Position{ .x = 1.0, .y = 0.5, .z = 3.0 });
+            try pool.addComponent(entity, components.Speed{ .speed = 5.0 });
+        }
 
         // TODO(luccie-cmd): Renderer.create shouldn't return an error
         var r = try Renderer.create(allocator, w);