added notifications and added leveling system

src/de/miaurizius/jgame2d/core/UI.java

@@ -6,6 +6,7 @@ import de.miaurizius.jgame2d.entity.item.HeartObj;
 
 import java.awt.*;
 import java.awt.image.BufferedImage;
+import java.util.ArrayList;
 
 public class UI {
 
@@ -13,6 +14,8 @@ public class UI {
     Graphics2D graphics2d;
     Font arial_40, arial_80B; //TODO: Custom font loader: https://www.youtube.com/watch?v=g-wrebFVP3E
     BufferedImage heart_full, heart_half, heart_blank;
+    ArrayList<String> messages = new ArrayList<>();
+    ArrayList<Integer> messageCounter = new ArrayList<>();
     public String currentDialogue;
     public int commandNum;
 
@@ -36,14 +39,12 @@ public class UI {
         if(panel.gameState == null) return;
         switch (panel.gameState) {
             case GameState.PLAY:
-                drawPlayerLife();
+                drawPlayScreen();
                 break;
             case GameState.PAUSE:
-                drawPlayerLife();
                 drawPauseScreen();
                 break;
             case GameState.DIALOGUE:
-                drawPlayerLife();
                 drawDialogueScreen();
                 break;
             case TITLE:
@@ -81,15 +82,38 @@ public class UI {
             x += panel.tileSize;
         }
     }
+    public void drawMessages() {
+        int messageX = panel.tileSize;
+        int messageY = panel.tileSize*4;
+        graphics2d.setFont(graphics2d.getFont().deriveFont(Font.BOLD, 32F));
+
+        for(int i = 0; i < messages.size(); i++) {
+            if(messages.get(i) == null) return;
+
+            graphics2d.setColor(Color.black);
+            graphics2d.drawString(messages.get(i), messageX+2, messageY+2);
+            graphics2d.setColor(Color.white);
+            graphics2d.drawString(messages.get(i), messageX, messageY);
+
+            messageCounter.set(i, messageCounter.get(i) + 1);
+            messageY += 50;
+            if(messageCounter.get(i) > 180) {
+                messages.remove(i);
+                messageCounter.remove(i);
+            }
+        };
+    }
 
     // GAME STATES
     public void drawPauseScreen() {
+        drawPlayerLife();
         graphics2d.setFont(graphics2d.getFont().deriveFont(Font.PLAIN, 80));
         String text = "PAUSED";
         int y = panel.screenHeight / 2;
         graphics2d.drawString(text, getCenteredX(text), y);
     }
     public void drawDialogueScreen() {
+        drawPlayerLife();
         // WINDOW
         int x = panel.tileSize*2;
         int y = panel.tileSize/2;
@@ -191,6 +215,10 @@ public class UI {
         textY += panel.tileSize;
         graphics2d.drawImage(panel.player.currentShield.down1, tailX - panel.tileSize, textY-14, null);
     }
+    public void drawPlayScreen() {
+        drawPlayerLife();
+        drawMessages();
+    }
 
     // UTILITY
     public void drawSubWindow(int x, int y, int width, int height) {
@@ -206,5 +234,9 @@ public class UI {
     public int getAlignedToRightX(String text, int tailX) {
         return tailX - (int) graphics2d.getFontMetrics().getStringBounds(text, graphics2d).getWidth() / 2;
     }
+    public void addMessage(String text) {
+        messages.add(text);
+        messageCounter.add(0);
+    }
 
 }

src/de/miaurizius/jgame2d/core/handlers/AssetSetter.java

@@ -20,28 +20,33 @@ public class AssetSetter {
         panel.npc[0] = new OldManNPC(panel);
         panel.npc[0].worldX = panel.tileSize*21;
         panel.npc[0].worldY = panel.tileSize*21;
-
-//        panel.npc[0] = new OldManNPC(panel);
-//        panel.npc[0].worldX = panel.tileSize*9;
-//        panel.npc[0].worldY = panel.tileSize*10;
     }
 
     public void setMonster() {
-        panel.monster[0] = new GreenSlimeMON(panel);
+        int i = 0;
-        panel.monster[0].worldX = panel.tileSize*23;
+        panel.monster[i] = new GreenSlimeMON(panel);
-        panel.monster[0].worldY = panel.tileSize*36;
+        panel.monster[i].worldX = panel.tileSize*23;
+        panel.monster[i].worldY = panel.tileSize*36;
 
-        panel.monster[1] = new GreenSlimeMON(panel);
+        i++;
-        panel.monster[1].worldX = panel.tileSize*23;
+        panel.monster[i] = new GreenSlimeMON(panel);
-        panel.monster[1].worldY = panel.tileSize*37;
+        panel.monster[i].worldX = panel.tileSize*23;
+        panel.monster[i].worldY = panel.tileSize*37;
 
-//        panel.monster[0] = new GreenSlimeMON(panel);
+        i++;
-//        panel.monster[0].worldX = panel.tileSize*11;
+        panel.monster[i] = new GreenSlimeMON(panel);
-//        panel.monster[0].worldY = panel.tileSize*10;
+        panel.monster[i].worldX = panel.tileSize*24;
-//
+        panel.monster[i].worldY = panel.tileSize*37;
-//        panel.monster[1] = new GreenSlimeMON(panel);
+
-//        panel.monster[1].worldX = panel.tileSize*11;
+        i++;
-//        panel.monster[1].worldY = panel.tileSize*11;
+        panel.monster[i] = new GreenSlimeMON(panel);
+        panel.monster[i].worldX = panel.tileSize*34;
+        panel.monster[i].worldY = panel.tileSize*42;
+
+        i++;
+        panel.monster[i] = new GreenSlimeMON(panel);
+        panel.monster[i].worldX = panel.tileSize*38;
+        panel.monster[i].worldY = panel.tileSize*42;
     }
 
 }

src/de/miaurizius/jgame2d/core/handlers/EventHandler.java

@@ -84,11 +84,11 @@ public class EventHandler {
         if(!panel.keyH.spacePressed) return;
         panel.gameState = gameState;
         panel.player.attackCancel = true;
-        System.out.println("attack cancel");
         panel.playSE(2);
-        panel.ui.currentDialogue = "You drank the holy water.\nYour life has been recovered!";
+        panel.ui.currentDialogue = "You drank the holy water.\nYour life has been recovered!\nBut all monsters respawned... \nGood luck!";
         panel.player.life = panel.player.maxLife;
         canTouchEvent = false;
+        panel.assetSetter.setMonster();
     }
 
     static private class EventRect extends Rectangle {

src/de/miaurizius/jgame2d/core/handlers/Sound.java

@@ -25,6 +25,7 @@ public class Sound {
         load(5, "assets/sounds/hitmonster.wav");
         load(6, "assets/sounds/receivedamage.wav");
         load(7, "assets/sounds/blocked.wav");
+        load(8, "assets/sounds/levelup.wav");
     }
 
     @Deprecated

src/de/miaurizius/jgame2d/entity/Player.java

@@ -125,12 +125,14 @@ public class Player extends Entity {
         if(invincible) return;
         if(panel.monster[index].dying || !panel.monster[index].alive) return;
 
-        panel.playSE(6);
-
         int damage = panel.monster[index].attack - defense;
-        life -= Math.max(damage, 0);
 
-        invincible = true;
+        if(damage > 0) {
+            panel.playSE(6);
+            life -= damage;
+            invincible = true;
+        }
+
     }
     public void attacking() {
         if(attackCancel) return;
@@ -170,14 +172,22 @@ public class Player extends Entity {
     public void damageMonster(int index) {
         if(index == 999) return;
         if(panel.monster[index].invincible) return;
-        panel.playSE(5);
 
         int damage = attack - panel.monster[index].defense;
-        panel.monster[index].life -= Math.max(damage, 0);
 
-        panel.monster[index].invincible = true;
+        if(damage > 0) {
+            panel.playSE(5);
+            panel.monster[index].life -= damage;
+            panel.monster[index].invincible = true;
+        }
+
         panel.monster[index].damageReaction();
-        if(panel.monster[index].life <= 0) panel.monster[index].dying = true;
+        if(panel.monster[index].life <= 0) {
+            panel.monster[index].dying = true;
+            panel.ui.addMessage("Gained +" + panel.monster[index].exp + " XP!");
+            exp += panel.monster[index].exp;
+            checkLevelUp();
+        }
     }
 
     public void interactNPC(int index) {
@@ -192,6 +202,22 @@ public class Player extends Entity {
         super.speak();
     }
 
+    // BACKGROUND CHECKS
+    public void checkLevelUp() {
+        if(exp < nextLevelExp) return;
+        level++;
+        nextLevelExp = nextLevelExp*2;
+        maxLife += 2;
+        strength++;
+        dexterity++;
+        attack = getAttack();
+        defense = getDefense();
+        panel.playSE(8);
+
+        panel.gameState = GameState.DIALOGUE;
+        panel.ui.currentDialogue = "You are level " + level + " now!\nYou feel stronger!";
+    }
+
     // SETTING THINGS UP
     public void setDefaultValues() {
         worldX = panel.tileSize * 23;

src/de/miaurizius/jgame2d/entity/monster/GreenSlimeMON.java

@@ -18,6 +18,7 @@ public class GreenSlimeMON extends Entity {
         life = maxLife;
         attack = 5;
         defense = 0;
+        exp = 2;
 
         solidArea.x = 3;
         solidArea.y = 18;