Added inventory overlay

Now items can be used! Such fun.

4 files changed, 142 insertions, 1 deletions

@@ -0,0 +1,117 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package com.fourisland.frigidearth;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.event.KeyEvent;
+
+/**
+ *
+ * @author hatkirby
+ */
+public class InventoryOverlay implements Renderable, Inputable
+{
+    private final int TILE_WIDTH = 12;
+    private final int TILE_HEIGHT = 12;
+    private final int LIST_HEIGHT = 13;
+    
+    private int id = 0;
+    private int scroll = 0;
+    private int width = 0;
+    
+    public InventoryOverlay()
+    {
+        for (Item item : Main.currentGame.inventory)
+        {
+            if (item.getItemName().length() > width)
+            {
+                width = item.getItemName().length();
+            }
+        }
+        
+        width += 2;
+    }
+    
+    public void render(Graphics2D g)
+    {
+        g.setColor(Color.BLACK);
+        g.fillRect(TILE_WIDTH, TILE_HEIGHT, width*TILE_WIDTH, Math.min(LIST_HEIGHT+2,Main.currentGame.inventory.size()+1)*TILE_HEIGHT);
+        
+        if (scroll > 0)
+        {
+            g.drawImage(SystemFont.getCharacter((char) 24, Color.WHITE), (1+width/2)*TILE_WIDTH, TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT, null);
+        }
+        
+        for (int i=scroll; i<Math.min(scroll+LIST_HEIGHT, Main.currentGame.inventory.size()); i++)
+        {
+            if (i == id)
+            {
+                g.drawImage(SystemFont.getCharacter((char) 26, Color.WHITE), TILE_WIDTH, (i-scroll+2)*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT, null);
+            }
+            
+            String name = Main.currentGame.inventory.get(i).getItemName().toLowerCase();
+            for (int j=0; j<name.length(); j++)
+            {
+                g.drawImage(SystemFont.getCharacter(name.charAt(j), Main.currentGame.inventory.get(i).getDisplayColor()), (3+j)*TILE_WIDTH, (i-scroll+2)*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT, null);
+            }
+        }
+        
+        if (scroll + LIST_HEIGHT < Main.currentGame.inventory.size())
+        {
+            g.drawImage(SystemFont.getCharacter((char) 25, Color.WHITE), (1+width/2)*TILE_WIDTH, (LIST_HEIGHT+2)*TILE_HEIGHT, TILE_WIDTH, TILE_HEIGHT, null);
+        }
+    }
+
+    public void processInput(KeyEvent e)
+    {
+        switch (e.getKeyCode())
+        {
+            case KeyEvent.VK_ESCAPE:
+                Main.removeRenderable(this);
+                Main.removeInputable(this);
+                
+                return;
+                
+            case KeyEvent.VK_UP:
+                if (id != 0)
+                {
+                    id--;
+                    
+                    if (id < scroll)
+                    {
+                        scroll=id;
+                    }
+                }
+                
+                break;
+                
+            case KeyEvent.VK_DOWN:
+                if (id != (Main.currentGame.inventory.size()-1))
+                {
+                    id++;
+                    
+                    if (id > (scroll+LIST_HEIGHT-1))
+                    {
+                        scroll++;
+                    }
+                }
+                
+                break;
+                
+            case KeyEvent.VK_ENTER:
+                if (Main.currentGame.inventory.get(id).useItem())
+                {
+                    Main.currentGame.inventory.remove(id);
+                    ((MapViewGameState) Main.getGameState()).tick();
+                    Main.removeRenderable(this);
+                    Main.removeInputable(this);
+                    
+                    return;
+                }
+        }
+    }
+    
+}
@@ -73,6 +73,8 @@ public enum Item
         
         public boolean useItem()
         {
+            ((MapViewGameState) Main.getGameState()).printMessage("There's nothing to use the key on!");
+            
             return false;
         }
     };
@@ -91,6 +91,11 @@ public class Main extends Canvas
         render(gameCanvas);
     }
     
+    public static GameState getGameState()
+    {
+        return gameState;
+    }
+    
     public static void addRenderable(Renderable renderable)
     {
         renderables.add(renderable);
@@ -899,10 +899,27 @@ public class MapViewGameState implements GameState
                     break;
                 }
                 
+            case KeyEvent.VK_I:
+                if (Main.currentGame.inventory.isEmpty())
+                {
+                    printMessage("You have no items");
+                } else {
+                    InventoryOverlay io = new InventoryOverlay();
+                    Main.addRenderable(io);
+                    Main.addInputable(io);
+                
+                    return;
+                }
+                
             default:
                 return;
         }
         
+        tick();
+    }
+     
+    public void tick()
+    {
         // Move mobs
         for (Mob mob : mobs)
         {
@@ -1122,7 +1139,7 @@ public class MapViewGameState implements GameState
         return true;
     }
     
-    private void printMessage(String message)
+    public void printMessage(String message)
     {
         String temp = message;