expose allowedMoves in ctx

Author: darthfiddler

src/core/flow.js

@@ -330,12 +330,15 @@ export function FlowWithPhases({
   };
 
   // Helper to perform start-of-phase initialization.
-  const startPhase = function(state, phaseConfig) {
+  const startPhase = function(state, config) {
+    const G = config.onPhaseBegin(state.G, ctx);
+
     const ctx = { ...state.ctx };
-    const G = phaseConfig.onPhaseBegin(state.G, ctx);
-    ctx.playOrderPos = phaseConfig.turnOrder.first(G, ctx);
+    ctx.playOrderPos = config.turnOrder.first(G, ctx);
     ctx.currentPlayer = getCurrentPlayer(ctx.playOrder, ctx.playOrderPos);
     ctx.actionPlayers = [ctx.currentPlayer];
+    ctx.allowedMoves = config.allowedMoves(G, ctx);
+
     return { ...state, G, ctx };
   };
 
@@ -347,7 +350,10 @@ export function FlowWithPhases({
     plainCtx = Events.detach(plainCtx);
     const _undo = [{ G, ctx: plainCtx }];
 
-    return { ...state, G, _undo, _redo: [] };
+    const ctx = { ...state.ctx };
+    ctx.allowedMoves = config.allowedMoves(G, ctx);
+
+    return { ...state, G, ctx, _undo, _redo: [] };
   };
 
   const startGame = function(state, config) {
@@ -542,6 +548,10 @@ export function FlowWithPhases({
       return { ...state, ctx: { ...state.ctx, gameover } };
     }
 
+    // Update allowedMoves.
+    const allowedMoves = conf.allowedMoves(state.G, state.ctx);
+    state = { ...state, ctx: { ...state.ctx, allowedMoves } };
+
     // Update undo / redo state.
     if (!endTurn) {
       const undo = state._undo || [];

src/server/index.test.js

@@ -175,6 +175,7 @@ test('action', async () => {
           G: {},
           ctx: {
             _random: { seed: 0 },
+            allowedMoves: null,
             currentPlayer: '0',
             actionPlayers: ['0'],
             currentPlayerMoves: 0,
@@ -188,6 +189,7 @@ test('action', async () => {
       ],
       ctx: {
         _random: { seed: 0 },
+        allowedMoves: null,
         currentPlayer: '0',
         actionPlayers: ['0'],
         currentPlayerMoves: 0,
@@ -206,6 +208,7 @@ test('action', async () => {
         G: {},
         ctx: {
           _random: { seed: 0 },
+          allowedMoves: null,
           currentPlayer: '1',
           actionPlayers: ['1'],
           currentPlayerMoves: 0,
@@ -219,6 +222,7 @@ test('action', async () => {
     ],
     ctx: {
       _random: undefined,
+      allowedMoves: null,
       currentPlayer: '1',
       actionPlayers: ['1'],
       currentPlayerMoves: 0,