added item probability

actionBlocks_website/src/net/types.ts

@@ -30,8 +30,8 @@ export interface JoinResult {
 
 export interface PieceInfo {
   type: number;
-  itemId: string | null;
-  itemIndex: number;
+  /** items[i] is the item in mino i, null if none. */
+  items: (string | null)[];
 }
 
 export interface ItemCell {
@@ -43,8 +43,8 @@ export interface ItemCell {
 export interface ActivePieceState {
   type: number;
   cells: [number, number][];
-  itemIndex: number;
-  itemId: string | null;
+  /** items[i] is the item in cells[i], null if none. */
+  items: (string | null)[];
 }
 
 export interface PlayerState {

actionBlocks_website/src/render/draw.ts

@@ -115,7 +115,8 @@ export function drawBoard(
   active.cells.forEach(([x, y], index) => {
     if (y < 0) return;
     drawBlock(ctx, x * cell, y * cell, cell, color);
-    if (active.itemId && index === active.itemIndex) drawItemIcon(ctx, x * cell, y * cell, cell, active.itemId);
+    const itemId = active.items[index];
+    if (itemId) drawItemIcon(ctx, x * cell, y * cell, cell, itemId);
   });
 }
 
@@ -141,6 +142,7 @@ export function drawPreviewPiece(
     const px = Math.round(ox + x * cell);
     const py = Math.round(oy + y * cell);
     drawBlock(ctx, px, py, cell, color);
-    if (piece.itemId && index === piece.itemIndex) drawItemIcon(ctx, px, py, cell, piece.itemId);
+    const itemId = piece.items[index];
+    if (itemId) drawItemIcon(ctx, px, py, cell, itemId);
   });
 }