liberty rewritten - get groups

2 files changed, 43 insertions, 4 deletions

diff --git a/notes b/notes
new file mode 100644
index 0000000..053cba7
--- /dev/null
+++ b/notes
@@ -0,0 +1,2 @@
+get enemies
+- get values such as you'd do with the others
diff --git a/src/engine/liberty.js b/src/engine/liberty.js
index 7ccd77d..9f2049c 100644
--- a/src/engine/liberty.js
+++ b/src/engine/liberty.js
@@ -12,10 +12,47 @@ export function hasLiberties({
     position,
     team
 }) {
-    return checkLiberties({
-        position,
-        team
-    })
+    if (getPiece(position) != undefined) return false
+    let groups = getSurroundingGroups(position, team)
+    // if (stones.length > 0) console.log(stones)
+    // console.log(stones)
+    return true
+    // return checkLiberties({
+    //     position,
+    //     team
+    // })
+}
+
+function getSurroundingGroups(position, team) {
+    return getSurroundingSquares(position)
+        .filter(p => getPiece(p) != undefined)
+        .filter(p => getPiece(p).team == team)
+        .map(p => getGroup({position: p}))
+}
+
+function getGroup({position, checkedPositions = []}) {
+    if (isInArray(position, checkedPositions)) {
+        return
+    }
+
+    checkedPositions.push(position)
+    let team = getPiece(position).team
+
+    getSurroundingSquares(position)
+        .filter(p => getPiece(p) != undefined)
+        .filter(p => getPiece(p).team == team)
+        .forEach(p => {
+            getGroup({
+                position: p,
+                checkedPositions: checkedPositions
+            })
+        })
+
+    return checkedPositions
+}
+
+function getPiece(position) {
+    return board.stones[position.y][position.x]
 }
 
 function checkLiberties({