Added trading method

src/org/rev317/min/api/methods/Trading.java

@@ -0,0 +1,127 @@
+package org.rev317.min.api.methods;
+
+import org.parabot.core.Context;
+import org.parabot.environment.api.utils.Time;
+import org.parabot.environment.input.Mouse;
+import org.parabot.environment.scripts.framework.SleepCondition;
+import org.rev317.min.Loader;
+import org.rev317.min.accessors.Interface;
+import org.rev317.min.api.wrappers.Item;
+
+import java.util.ArrayList;
+import java.util.Properties;
+
+/**
+ * @author JKetelaar
+ */
+public class Trading {
+
+    /*
+    TODO Get the player its offer and implement its features
+     */
+    public static int OPPONENT_OFFER_INTERFACE_ID = 3416;
+    public static int YOUR_OFFER_INTERFACE_ID = -1;
+
+    public static int FIRST_TRADE_INTERFACE_ID = 3323;
+    public static int SECOND_TRADE_INTERFACE_ID = 3443;
+
+    static {
+        Properties p = Context.getInstance().getServerProviderInfo().getProperties();
+        if (p.containsKey("opponentInterface")) {
+            OPPONENT_OFFER_INTERFACE_ID = Integer.parseInt(p.getProperty("opponentInterface"));
+        }
+        if (p.containsKey("firstTradeInterface")) {
+            FIRST_TRADE_INTERFACE_ID = Integer.parseInt(p.getProperty("firstTradeInterface"));
+        }
+        if (p.containsKey("secondTradeInterface")) {
+            SECOND_TRADE_INTERFACE_ID = Integer.parseInt(p.getProperty("secondTradeInterface"));
+        }
+    }
+
+    /**
+     * Checks if the first or the second screen is open, based on the given boolean
+     * @param first If true, the first trade screen will be checked. If false, the second screen will be checked
+     * @return True if the requested screen is open
+     */
+    public static boolean isOpen(boolean first){
+        return Loader.getClient().getOpenInterfaceId() == (first ? FIRST_TRADE_INTERFACE_ID : SECOND_TRADE_INTERFACE_ID);
+    }
+
+    /**
+     * Checks if any of the trade screens are open
+     * @return True if open, false if not open
+     */
+    public static boolean isOpen(){
+        return Loader.getClient().getOpenInterfaceId() == FIRST_TRADE_INTERFACE_ID || Loader.getClient().getOpenInterfaceId() == SECOND_TRADE_INTERFACE_ID;
+    }
+
+    /**
+     * Still in development
+     *      For now it simply walks away from the trade by walking to the location of the player
+     */
+    public static void close(){
+        Players.getMyPlayer().getLocation().walkTo();
+        Time.sleep(new SleepCondition() {
+            @Override
+            public boolean isValid() {
+                return !isOpen();
+            }
+        }, 2500);
+    }
+
+    public static Item[] getOpponentsOffer() {
+        ArrayList<Item> items = new ArrayList<>();
+        int[] ids = getItemIDs();
+        int[] stacks = getItemStacks();
+        for (int i = 0; i < ids.length; i++) {
+            if (ids[i] > 0) {
+                items.add(new Item(ids[i], stacks[i], i));
+            }
+        }
+        return items.toArray(new Item[items.size()]);
+    }
+
+    private static int[] getItemIDs() {
+        Interface i;
+
+        if ((i = Loader.getClient().getInterfaceCache()[OPPONENT_OFFER_INTERFACE_ID]) != null) {
+            int[] items;
+            if ((items = i.getItems()) != null && items.length > 0) {
+                return items;
+            }
+        }
+        return new int[0];
+    }
+
+    private static int[] getItemStacks() {
+        Interface i;
+
+        if ((i = Loader.getClient().getInterfaceCache()[OPPONENT_OFFER_INTERFACE_ID]) != null) {
+            int[] stacks;
+            if ((stacks = i.getStackSizes()) != null && stacks.length > 0) {
+                return stacks;
+            }
+        }
+        return new int[0];
+    }
+
+    /**
+     * TODO Figure a way to use packets instead
+     * Accepts the offer and hits the button to continue to the second screen
+     */
+    private static void acceptOffer() {
+        Time.sleep(500, 750);
+        Mouse.getInstance().click(260, 190, true);
+        Time.sleep(500, 750);
+    }
+
+    /**
+     * TODO Figure a way to use packets instead
+     * Accepts the trade and hits the button to complete the trade
+     */
+    private static void acceptTrade() {
+        Time.sleep(500, 750);
+        Mouse.getInstance().click(230, 310, true);
+        Time.sleep(500, 750);
+    }
+}