work-in-progress on a new sim

cmd/yggdrasilsim/store.go

@@ -0,0 +1,41 @@
+package main
+
+type nodeStore map[int]*simNode
+
+func makeStoreSingle() nodeStore {
+	s := make(nodeStore)
+	s[0] = newNode(0)
+	return s
+}
+
+func linkNodes(a *simNode, b *simNode) {
+	la := a.core.NewSimlink()
+	lb := b.core.NewSimlink()
+	la.SetDestination(lb)
+	lb.SetDestination(la)
+	la.Start()
+	lb.Start()
+}
+
+func makeStoreSquareGrid(sideLength int) nodeStore {
+	store := make(nodeStore)
+	nNodes := sideLength * sideLength
+	idxs := make([]int, 0, nNodes)
+	// TODO shuffle nodeIDs
+	for idx := 1; idx <= nNodes; idx++ {
+		idxs = append(idxs, idx)
+	}
+	for _, idx := range idxs {
+		n := newNode(idx)
+		store[idx] = n
+	}
+	for idx := 0; idx < nNodes; idx++ {
+		if (idx % sideLength) != 0 {
+			linkNodes(store[idxs[idx]], store[idxs[idx-1]])
+		}
+		if idx >= sideLength {
+			linkNodes(store[idxs[idx]], store[idxs[idx-sideLength]])
+		}
+	}
+	return store
+}