Refactored a lot. Only ContainerManager and Main Class are missing.

2015-10-25 12:09:43 +01:00
parent 2dbac86289
commit 43056a8152
11 changed files with 350 additions and 288 deletions
@@ -0,0 +1,109 @@
+package de.skate702.craftingkeys.util;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+import net.minecraft.inventory.Container;
+import net.minecraft.inventory.Slot;
+import org.lwjgl.input.Mouse;
+
+/**
+ * This class provides methods to interact with the Mouse and key input.
+ */
+public class InputUtil {
+
+    /**
+     * Saves the last Key that was Pressed
+     */
+    private static int lastKeyDown = -1;
+
+    /**
+     * Private Constructor, Utility Class.
+     */
+    private InputUtil() {
+    }
+
+    /**
+     * Returns the Slot at the current Mouse Position. [FROM GUICONTAINER]
+     *
+     * @param guiContainer The (Inventory) Container to work with.
+     * @return Returns the slot (or null)
+     */
+    public static Slot getSlotAtMousePosition(GuiContainer guiContainer) {
+        if (guiContainer != null) {
+            Container container = guiContainer.inventorySlots;
+
+            int x = getMouseX(guiContainer);
+            int y = getMouseY(guiContainer);
+            for (int k = 0; k < container.inventorySlots.size(); k++) {
+                Slot slot = (Slot) container.inventorySlots.get(k);
+                if (getIsMouseOverSlot(guiContainer, slot, x, y)) {
+                    return slot;
+                }
+            }
+            return null;
+        } else {
+            Helper.debugPrint("getSlotAtMousePosition(): guiContainer == null");
+            return null;
+        }
+    }
+
+    /**
+     * Returns, if the mouse cursor is over a specified slot [FROM GUICONTAINER]
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @param slot         The spcified slot
+     * @param x            The Mouse x-Position
+     * @param y            The Mouse y-Position
+     * @return True, if the mouse is positioned over this slot. Otherwise false
+     */
+    private static boolean getIsMouseOverSlot(GuiContainer guiContainer, Slot slot, int x, int y) {
+        if (guiContainer != null) {
+
+            // Constants from Minecraft Source Code
+            x -= (guiContainer.width - 176) / 2;
+            y -= (guiContainer.height - 166) / 2;
+            return x >= slot.xDisplayPosition - 1 && x < slot.xDisplayPosition + 16 + 1
+                    && y >= slot.yDisplayPosition - 1 && y < slot.yDisplayPosition + 16 + 1;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * Returns a calculated Mouse Position for getSlotAtMousePosition().
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @return The relative Mouse-Position
+     */
+    private static int getMouseX(GuiContainer guiContainer) {
+        return (Mouse.getEventX() * guiContainer.width) / Util.client.displayWidth;
+    }
+
+    /**
+     * Returns a calculated Mouse Position for getSlotAtMousePosition().
+     *
+     * @param guiContainer the GuiContainer to work with
+     * @return The relative Mouse-Position
+     */
+    private static int getMouseY(GuiContainer guiContainer) {
+        return guiContainer.height - (Mouse.getEventY() * guiContainer.height) / Util.client.displayHeight - 1;
+    }
+
+    /**
+     * Returns, if the current KeyValue is the same
+     *
+     * @param currentKey the new input value, saved in the method
+     * @return True, if these are the same keys
+     */
+    public static boolean isSameKey(int currentKey) {
+
+        boolean returnValue = false;
+
+        if (lastKeyDown == currentKey && currentKey != -1) {
+            returnValue = true;
+        }
+
+        lastKeyDown = currentKey;
+        return returnValue;
+
+    }
+}