Added support for ShopGUIPlus v1.78

Hook_ShopGUIPlus78/build.gradle

@@ -0,0 +1,13 @@
+group 'Hook_ShopGUIPlus78'
+
+dependencies {
+    compileOnly 'net.brcdev:ShopGUIPlus-1.78:latest'
+    compileOnly "org.spigotmc:v1_8_R3-Taco:latest"
+    compileOnly project(":API")
+    compileOnly parent
+}
+
+if (project.hasProperty('hook.compile_shopguiplus') &&
+        !Boolean.valueOf(project.findProperty("hook.compile_shopguiplus").toString())) {
+    project.tasks.all { task -> task.enabled = false }
+}

Hook_ShopGUIPlus78/src/main/java/com/bgsoftware/wildchests/hooks/PricesProvider_ShopGUIPlus78.java

@@ -0,0 +1,83 @@
+package com.bgsoftware.wildchests.hooks;
+
+import com.bgsoftware.wildchests.WildChestsPlugin;
+import com.bgsoftware.wildchests.api.hooks.PricesProvider;
+import com.bgsoftware.wildchests.utils.Pair;
+import net.brcdev.shopgui.ShopGuiPlugin;
+import net.brcdev.shopgui.shop.Shop;
+import net.brcdev.shopgui.shop.item.ShopItem;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class PricesProvider_ShopGUIPlus78 implements PricesProvider {
+
+    // Added cache for shop items for better performance
+    private final Map<WrappedItemStack, Pair<ShopItem, Shop>> cachedShopItems = new HashMap<>();
+    private final ShopGuiPlugin plugin;
+
+    public PricesProvider_ShopGUIPlus78() {
+        WildChestsPlugin.log("- Using ShopGUIPlus as PricesProvider");
+        plugin = ShopGuiPlugin.getInstance();
+    }
+
+    @Override
+    public double getPrice(OfflinePlayer offlinePlayer, ItemStack itemStack) {
+        Player onlinePlayer = offlinePlayer.getPlayer();
+
+        double price = 0;
+
+        WrappedItemStack wrappedItemStack = new WrappedItemStack(itemStack);
+        Pair<ShopItem, Shop> shopPair = cachedShopItems.computeIfAbsent(wrappedItemStack, i -> {
+            for (Shop shop : plugin.getShopManager().getShops()) {
+                for (ShopItem _shopItem : shop.getShopItems())
+                    if (areSimilar(_shopItem.getItem(), itemStack, _shopItem.isCompareMeta()))
+                        return new Pair<>(_shopItem, shop);
+            }
+
+            return null;
+        });
+
+        if (shopPair != null) {
+            if (onlinePlayer == null) {
+                price = Math.max(price, shopPair.key.getSellPriceForAmount(itemStack.getAmount()));
+            } else {
+                price = Math.max(price, shopPair.key.getSellPriceForAmount(onlinePlayer, itemStack.getAmount()));
+            }
+        }
+
+        return price;
+    }
+
+    private static boolean areSimilar(ItemStack is1, ItemStack is2, boolean compareMetadata) {
+        return compareMetadata ? is1.isSimilar(is2) : is2 != null && is1 != null && is1.getType() == is2.getType() &&
+                is1.getDurability() == is2.getDurability();
+    }
+
+    private static final class WrappedItemStack {
+
+        private final ItemStack value;
+
+        WrappedItemStack(ItemStack value) {
+            this.value = value.clone();
+            this.value.setAmount(1);
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            WrappedItemStack that = (WrappedItemStack) o;
+            return value.equals(that.value);
+        }
+
+        @Override
+        public int hashCode() {
+            return value.hashCode();
+        }
+    }
+
+}

settings.gradle

@@ -8,6 +8,7 @@ include 'Hook_Essentials'
 include 'Hook_QuantumShop'
 include 'Hook_ShopGUIPlus12'
 include 'Hook_ShopGUIPlus14'
+include 'Hook_ShopGUIPlus78'
 include 'Hook_SuperiorSkyblock'
 include 'Hook_TransportPipes'
 include 'Hook_Vault'

src/main/java/com/bgsoftware/wildchests/handlers/ProvidersHandler.java

@@ -187,7 +187,10 @@ private void registerPricesProvider(WildChestsPlugin plugin) {
                     Plugin shopGUIPlus = Bukkit.getPluginManager().getPlugin("ShopGUIPlus");
                     if (shopGUIPlus.getDescription().getVersion().startsWith("1.2")) {
                         pricesProvider = createInstance("PricesProvider_ShopGUIPlus12");
-                    } else {
+                    } else try {
+                        Class.forName("net.brcdev.shopgui.shop.item.ShopItem");
+                        pricesProvider = createInstance("PricesProvider_ShopGUIPlus78");
+                    } catch (ClassNotFoundException error) {
                         pricesProvider = createInstance("PricesProvider_ShopGUIPlus14");
                     }
                 }