1 files changed, 70 insertions, 0 deletions
diff --git a/hest-life.mu b/hest-life.mu
index f838c736..1c69bc7d 100644
--- a/hest-life.mu
+++ b/hest-life.mu
@@ -69,6 +69,76 @@ fn render screen: (addr screen), _self: (addr environment) {
   draw-int32-decimal-wrapping-right-then-down-from-cursor-over-full-screen screen, *tick-a, 7/fg 0/bg
 }
 
+type cell-render-template {
+  # cells are squares
+  side: int
+  # centers of internal nodes
+  # nodes in neighboring cells are symmetrical with these
+  node-1-x: int
+  node-1-y: int
+  node-2-x: int
+  node-2-y: int
+  node-3-x: int
+  node-3-y: int
+  node-4-x: int
+  node-4-y: int
+  node-5-x: int
+  node-5-y: int
+  node-6-x: int
+  node-6-y: int
+  node-7-x: int
+  node-7-y: int
+  node-8-x: int
+  node-8-y: int
+  # internal nodes
+  sum-x: int
+  sum-y: int
+  filter-x: int
+  filter-y: int
+  # control points for bezier curves
+  # One point in each curve goes to a neighbor or output, one point is the sum
+  # or filter node. We just need to track the middle control point.
+  #
+  # For neighboring nodes we do need to know which direction each neighboring
+  # node is in. Arbitrarily we'll assign nodes starting at East and in
+  # clockwise order. Nodes above will also need to follow this rule, but only
+  # to make input edges work. Otherwise we don't care how the nodes and output
+  # edges are ordered, as long as the i'th control point corresponds to the
+  # curve connecting the i'th node.
+  input-edge-1-x: int
+  input-edge-1-y: int
+  input-edge-2-x: int
+  input-edge-2-y: int
+  input-edge-3-x: int
+  input-edge-3-y: int
+  input-edge-4-x: int
+  input-edge-4-y: int
+  input-edge-5-x: int
+  input-edge-5-y: int
+  input-edge-6-x: int
+  input-edge-6-y: int
+  input-edge-7-x: int
+  input-edge-7-y: int
+  input-edge-8-x: int
+  input-edge-8-y: int
+  output-edge-1-x: int
+  output-edge-1-y: int
+  output-edge-2-x: int
+  output-edge-2-y: int
+  output-edge-3-x: int
+  output-edge-3-y: int
+  output-edge-4-x: int
+  output-edge-4-y: int
+  output-edge-5-x: int
+  output-edge-5-y: int
+  output-edge-6-x: int
+  output-edge-6-y: int
+  output-edge-7-x: int
+  output-edge-7-y: int
+  output-edge-8-x: int
+  output-edge-8-y: int
+}
+
 fn render0 screen: (addr screen), _self: (addr environment) {
   var self/esi: (addr environment) <- copy _self
   # cell border