commit 942c249be359651cf9227bd3b7bc6bfa18da2f3b
Author: Nick Dumas <drakonik@gmail.com>
Date:   Sat Jan 17 15:20:38 2026 -0500

    initial commit

diff --git a/cmd/cli/guest/main.go b/cmd/cli/guest/main.go
new file mode 100644
index 0000000..fe3c42c
--- /dev/null
+++ b/cmd/cli/guest/main.go
@@ -0,0 +1,43 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/mlange-42/ark/ecs"
+
+	"code.ndumas.com/ndumas/muddy"
+)
+
+func main() {
+	world := ecs.NewWorld()
+
+	locationMapper := ecs.NewMap3[muddy.ID, muddy.Location, muddy.Observable](world)
+
+	z := 0
+	for i := range 10 {
+		for j := range 10 {
+			_ = locationMapper.NewEntity(
+				&muddy.ID{ID: int64(z)},
+				&muddy.Location{
+					World: 0,
+					Exits: make([]int64, 0),
+				},
+				&muddy.Observable{
+					Name: fmt.Sprintf("Room (%d,%d)", i, j),
+				},
+			)
+			z++
+		}
+	}
+
+	locationFilter := ecs.NewFilter3[muddy.ID, muddy.Location, muddy.Observable](world)
+
+	query := locationFilter.Query()
+	for query.Next() {
+		id, loc, obsv := query.Get()
+		fmt.Println("====")
+		fmt.Printf("%#v\n", id)
+		fmt.Printf("%#v\n", loc)
+		fmt.Printf("%#v\n", obsv)
+	}
+}
diff --git a/components.go b/components.go
new file mode 100644
index 0000000..0af35dc
--- /dev/null
+++ b/components.go
@@ -0,0 +1,15 @@
+package muddy
+
+type ID struct {
+	ID int64
+}
+
+type Location struct {
+	World int64
+	Exits []int64
+}
+
+type Observable struct {
+	Name        string
+	Description string
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9324db1
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module code.ndumas.com/ndumas/muddy
+
+go 1.24.5
+
+require github.com/mlange-42/ark v0.7.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..914e546
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/mlange-42/ark v0.7.0 h1:cLEqhJhZaZayi35eY/cE7VQg7GonK+s1qbsSKdtcjrs=
+github.com/mlange-42/ark v0.7.0/go.mod h1:gkS9cuklENPTmSjL2z4DcJgJsIVqF1yNwFlx48Hz/Sw=