.

public/resources/mods/downloads/autofish.js

@@ -0,0 +1,42 @@
+ModAPI.require("player"); //Require the player, we need to select their fishing rod.
+var timer;
+var fishRodId = ModAPI.items.fishing_rod.getID(); //Store the item id of fishing rods, so we don't have to recalculate it every time.
+ModAPI.addEventListener("packetsoundeffect", (ev) => { //When we receive a sound effect packet
+  if (ev.soundName === "random.splash") { //If it is a splash
+    rightClick(); //run the rightClick() function
+  }
+});
+ModAPI.addEventListener("update", () => { //every client tick
+  if ( //If the player is holding a fishing rod
+    ModAPI.player.inventory.mainInventory[
+      ModAPI.player.inventory.currentItem
+    ] &&
+    ModAPI.player.inventory.mainInventory[
+      ModAPI.player.inventory.currentItem
+    ].itemId === fishRodId
+  ) {
+    if (timer > 0) { //If timer is greater than 0
+      timer--; //Decrease the timer by 1
+      return; //Exit the function
+    }
+    if (ModAPI.player.fishEntity) { //If the fish bobber exists
+      return; //Exit the function
+    }
+
+    rightClick(); //run the rightClick() function
+  }
+});
+function rightClick() {
+  if ( //If the player is not holding a fishing rod
+    !ModAPI.player.inventory.mainInventory[
+      ModAPI.player.inventory.currentItem
+    ] ||
+    !ModAPI.player.inventory.mainInventory[
+      ModAPI.player.inventory.currentItem
+    ].itemId === fishRodId
+  ) {
+    return; //Exit the function
+  }
+  ModAPI.rightClickMouse(); //Tell the ModAPI to trigger a right click.
+  timer = 15; // Set the timer to 15
+}