From 32b19aa9504ce24fe0e98a5c9e2fa2be9612fa88 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Sat, 2 Sep 2023 22:55:55 +0200
Subject: item drops!

---
 resources/js/game.js | 85 +++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 78 insertions(+), 7 deletions(-)

(limited to 'resources/js/game.js')

diff --git a/resources/js/game.js b/resources/js/game.js
index 309d013..c2b20da 100644
--- a/resources/js/game.js
+++ b/resources/js/game.js
@@ -101,6 +101,32 @@ const Game = {
         Game.log(translate('game:battle:money:get').replace('{amount}', money));
       });
 
+      // item
+      if (Memory.state.currentArea.items.length > 0) {
+        const itemDropChance = Memory.state.currentArea.monsterProgress * 0.1;
+        const itemDropCheck = Math.random() * 100;
+        if (itemDropChance > itemDropCheck) {
+          const itemDropRatioMax = Memory.state.currentArea.items.reduce((accumulator, itemData) => accumulator + itemData.dropRatio, 0);
+          const itemDropRatioCheck = Math.random() * itemDropRatioMax;
+          let accumulator = 0;
+          for (const itemData of Memory.state.currentArea.items) {
+            const lowerBounds = accumulator;
+            accumulator += itemData.dropRatio;
+            const upperBounds = accumulator;
+            if (itemDropRatioCheck >= lowerBounds && itemDropRatioCheck <= upperBounds) {
+              await Game.addItemToInventory(Memory.state.player.inventory, itemData.slug, 1);
+
+              const droppedItem = await fetchItem(itemData.slug);
+              Game.addPhaseEvent('postTurn', () => {
+                Game.log(translate('game:battle:item:get').replace('{name}', droppedItem.name));
+              });
+
+              break;
+            }
+          }
+        }
+      }
+
       // exp
       Memory.state.player.activeMonster.exp += calculateAwardedExperience(Memory.state.opponent.activeMonster, [Memory.state.player.activeMonster])[0];
 
@@ -114,12 +140,16 @@ const Game = {
       Memory.state.Game.isInBattle = false;
 
       if (Memory.state.opponent.type === 'monster') {
-        Memory.state.currentArea.monsterProgress++;
+        if (
+          Memory.state.currentArea.monsterProgress < Memory.state.currentArea.requiredEncounters ||
+          Memory.state.currentArea.isCompleted
+        ) {
+          Memory.state.currentArea.monsterProgress++;
+        }
         await Game.encounterWildMonster();
       } else if (Memory.state.opponent.type === 'trainer') {
         if (Memory.state.opponent.activeMonster === Memory.state.opponent.monsters[Memory.state.opponent.monsters.length - 1]) {
           Memory.state.currentArea.trainerProgress++;
-          Memory.state.currentArea.monsterProgress = 0;
           if (Memory.state.currentArea.encounters.length > 0) {
             await Game.encounterWildMonster();
           } else if (Memory.state.currentArea.trainers.length > 0) {
@@ -783,6 +813,31 @@ const Game = {
     Game.isLoadingArea = true;
     Game.clearCurrentTurn();
 
+
+    // on leave
+    let onLeaveStoryIsDone = true;
+    if (Memory.state.currentArea.events?.onLeave?.length > 0) {
+      Game.isLoadingArea = false;
+
+      for (const event of Memory.state.currentArea.events.onLeave) {
+        if (event.type === 'story') {
+          UI.showMap();
+          UI.drawTown();
+
+          onLeaveStoryIsDone = await Story.progress(event.story);
+        }
+      }
+    }
+
+    if (!onLeaveStoryIsDone) {
+      return;
+    }
+
+    Game.isLoadingArea = true;
+
+
+    // after on leave events resolved
+
     if (Memory.state.currentArea) {
       Memory.state.areaProgress[Memory.state.currentArea.slug] = Memory.state.currentArea;
     }
@@ -791,8 +846,8 @@ const Game = {
 
 
     // on enter
-    let storyIsDone = true;
-    if (Memory.state.currentArea.events?.onEnter.length > 0) {
+    let onEnterStoryIsDone = true;
+    if (Memory.state.currentArea.events?.onEnter?.length > 0) {
       Game.isLoadingArea = false;
 
       for (const event of Memory.state.currentArea.events.onEnter) {
@@ -800,19 +855,19 @@ const Game = {
           UI.showMap();
           UI.drawTown();
 
-          storyIsDone = await Story.progress(event.story);
+          onEnterStoryIsDone = await Story.progress(event.story);
         }
       }
     }
 
-    if (!storyIsDone) {
+    if (!onEnterStoryIsDone) {
       return;
     }
 
     Game.isLoadingArea = true;
 
 
-    // after events resolved
+    // after on enter events resolved
 
     if (Game.isTown(Memory.state.currentArea)) {
       if (Object.values(Memory.state.currentArea.locations).some((location) => location.type === 'healingCenter')) {
@@ -948,11 +1003,27 @@ const Game = {
   /**
    * @param {InventoryItem[]} inventory
    * @param {ItemSlug} itemSlug
+   *
+   * @returns {(InventoryItem|undefined)}
    */
   getItemFromInventory (inventory, itemSlug) {
     return inventory.find((inventoryItem) => inventoryItem.slug === itemSlug);
   },
 
+  /**
+   * @param {InventoryItem[]} inventory
+   * @param {ItemSlug} itemSlug
+   * @param {number} quantity
+   */
+  async addItemToInventory (inventory, itemSlug, quantity = 1) {
+    const inventoryItem = Game.getItemFromInventory(inventory, itemSlug);
+    if (inventoryItem) {
+      inventoryItem.quantity += quantity;
+    } else {
+      inventory.push(new InventoryItem(await fetchItem(itemSlug), quantity));
+    }
+  },
+
   /**
    * @param {InventoryItem[]} inventory
    * @param {ItemSlug} itemSlug
-- 
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