Implement Animated Sprites

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/DrawLoop.java

@@ -3,9 +3,11 @@ package sig;
 import java.util.regex.Pattern;
 
 import sig.engine.Alpha;
+import sig.engine.AnimatedSprite;
 import sig.engine.Font;
 import sig.engine.PaletteColor;
 import sig.engine.Panel;
+import sig.engine.Rectangle;
 import sig.engine.Sprite;
 
 public class DrawLoop {
@@ -59,17 +61,22 @@ public class DrawLoop {
 				yOffset+=f.getGlyphHeight();
 				charCount=0;
 			} else {
-				Draw_Sprite_Partial_Ext(x+i*f.getGlyphWidth()-xOffset, y+yOffset, f.getCharInfo(finalS.charAt(i)).getX(), f.getCharInfo(finalS.charAt(i)).getY(), f.getCharInfo(finalS.charAt(i)).getWidth(), f.getCharInfo(finalS.charAt(i)).getHeight(), f.getSprite(),alpha,currentCol);
+				Draw_Sprite_Partial_Ext(x+i*f.getGlyphWidth()-xOffset, y+yOffset, f.getCharInfo(finalS.charAt(i)).getX(), f.getCharInfo(finalS.charAt(i)).getY(), f.getCharInfo(finalS.charAt(i)).getWidth(), f.getCharInfo(finalS.charAt(i)).getHeight(), f.getSprite(), 0,alpha,currentCol);
 				charCount++;
 			}
 		}
 	}
 
 	public static void Draw_Sprite(double x, double y, Sprite sprite){
-		Draw_Sprite_Partial(x,y,0,0,sprite.getWidth(),sprite.getHeight(),sprite);
+		Draw_Sprite_Partial(x,y,0,0,sprite.getWidth(),sprite.getHeight(),sprite,0);
 	}
 
-	public static void Draw_Sprite_Partial(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite){
+	public static void Draw_Animated_Sprite(double x, double y, AnimatedSprite sprite, double frameIndex){
+		Rectangle frameRectangle=sprite.getFrame((int)frameIndex);
+		Draw_Sprite_Partial(x,y,frameRectangle.getX(),frameRectangle.getY(),frameRectangle.getWidth(),frameRectangle.getHeight(),sprite,frameIndex);
+	}
+
+	public static void Draw_Sprite_Partial(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, double frame_index){
 		byte[] p = panel.pixel;
 		for(int X=(int)xOffset;X<(int)(w+xOffset);X++){
 			for(int Y=(int)yOffset;Y<(int)(h+yOffset);Y++){
@@ -81,7 +88,6 @@ public class DrawLoop {
 						continue;
 					} else {
 						Draw(p,index,sprite.getBi_array()[Y*sprite.getWidth()+X],Alpha.ALPHA0);	
-						//Draw(p,index,sprite.getBi_array()[Y*sprite.getWidth()+X],false);
 					}
 				}
 			}	
@@ -89,10 +95,15 @@ public class DrawLoop {
 	}
 
 	public static void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, Alpha alpha){
-		Draw_Sprite_Partial_Ext(x, y, xOffset, yOffset, w, h, sprite, alpha, PaletteColor.NORMAL);
+		Draw_Sprite_Partial_Ext(x, y, xOffset, yOffset, w, h, sprite, 0, alpha, PaletteColor.NORMAL);
+	}
+
+	public static void Draw_Animated_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, AnimatedSprite sprite, double frameIndex, Alpha alpha){
+		Rectangle frameRectangle=sprite.getFrame((int)frameIndex);
+		Draw_Sprite_Partial_Ext(x, y, frameRectangle.getX(), frameRectangle.getY(), frameRectangle.getWidth(), frameRectangle.getHeight(), sprite, 0, alpha, PaletteColor.NORMAL);
 	}
 
-	public static void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, Alpha alpha, PaletteColor col){
+	public static void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, double frame_index, Alpha alpha, PaletteColor col){
 		byte[] p = panel.pixel;
 		for(int X=(int)xOffset;X<(int)(w+xOffset);X++){
 			for(int Y=(int)yOffset;Y<(int)(h+yOffset);Y++){

src/sig/RabiClone.java

@@ -9,6 +9,7 @@ import sig.engine.Panel;
 import sig.engine.Point;
 import sig.map.Maps;
 import sig.objects.EditorRenderer;
+import sig.objects.Erinoah;
 import sig.objects.LevelRenderer;
 import sig.objects.Player;
 import sig.engine.Object;
@@ -94,6 +95,7 @@ public class RabiClone{
 
 	private static void StartGame() {
 		OBJ.add(player = new Player(p));
+		OBJ.add(new Erinoah(p));
 	}
 
 	private static void ChooseBestRatio() {

src/sig/engine/AnimatedObject.java

@@ -0,0 +1,44 @@
+package sig.engine;
+
+public abstract class AnimatedObject extends Object{
+
+    double currentFrame;
+    double animationSpd; 
+    AnimatedSprite animatedSpr;
+
+    protected AnimatedObject(AnimatedSprite spr, double animationSpd, Panel panel) {
+        super(panel);
+        this.spr=this.animatedSpr=spr;
+        this.animationSpd=animationSpd;
+        this.currentFrame=0;
+    }
+
+    public void update(double updateMult) {
+        this.currentFrame+=this.animationSpd*updateMult;
+    }
+
+    public double getCurrentFrame() {
+        return currentFrame;
+    }
+
+    public void setCurrentFrame(double currentFrame) {
+        this.currentFrame = currentFrame;
+    }
+
+    public double getAnimationSpd() {
+        return animationSpd;
+    }
+
+    public void setAnimationSpd(double animationSpd) {
+        this.animationSpd = animationSpd;
+    }
+
+    public AnimatedSprite getAnimatedSpr() {
+        return animatedSpr;
+    }
+
+    public void setAnimatedSpr(AnimatedSprite animatedSpr) {
+        this.animatedSpr = animatedSpr;
+    }
+    
+}

src/sig/engine/AnimatedSprite.java

@@ -0,0 +1,35 @@
+package sig.engine;
+
+import java.io.File;
+
+public class AnimatedSprite extends Sprite{
+    int frameWidth;
+    int frameHeight;
+    int frames;
+    Rectangle[] frames_to_Rectangle;
+
+    AnimatedSprite(File filename, int width, int height){
+        super(filename);
+        this.frameWidth = width;
+        this.frameHeight = height;
+        frames = (this.width/width)*(this.height/height);
+        frames_to_Rectangle = new Rectangle[frames];
+        for(int i=0;i<frames;i++){
+            int x_tile = i%(this.width/width);
+            int y_tile = i/(this.width/width);
+            frames_to_Rectangle[i] = new Rectangle(x_tile*width, y_tile*height, width, height);
+        }
+    }
+    public Rectangle getFrame(int index){
+        return frames_to_Rectangle[index%frames];
+    }
+    public int getFrame_count(){
+        return frames;
+    }
+    public int get_original_width(){
+        return this.width;
+    }
+        public int get_original_height(){
+        return this.height;
+    }
+}

src/sig/engine/Object.java

@@ -61,6 +61,10 @@ public abstract class Object implements GameEntity{
         DrawLoop.Draw_Sprite(x,y,sprite);
     }
 
+	protected void Draw_Animated_Sprite(double x, double y, AnimatedSprite sprite, double frameIndex){
+        DrawLoop.Draw_Animated_Sprite(x,y,sprite,frameIndex);
+    }
+
 	protected void Draw_Text(double x, double y, StringBuilder string, Font font){
         DrawLoop.Draw_Text(x,y,string,font);
     }
@@ -69,16 +73,16 @@ public abstract class Object implements GameEntity{
         DrawLoop.Draw_Text_Ext(x,y,string,font,alpha,col);
     }
 
-	protected void Draw_Sprite_Partial(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite){
+	protected void Draw_Sprite_Partial(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, double frame_index){
-        DrawLoop.Draw_Sprite_Partial(x,y,xOffset,yOffset,w,h,sprite);
+        DrawLoop.Draw_Sprite_Partial(x,y,xOffset,yOffset,w,h,sprite,frame_index);
     }
 
 	protected void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, Alpha alpha){
         DrawLoop.Draw_Sprite_Partial_Ext(x,y,xOffset,yOffset,w,h,sprite,alpha);
     }
 
-	protected void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, Alpha alpha, PaletteColor col){
+	protected void Draw_Sprite_Partial_Ext(double x, double y, double xOffset, double yOffset, double w, double h, Sprite sprite, double frame_index, Alpha alpha, PaletteColor col){
-        DrawLoop.Draw_Sprite_Partial_Ext(x,y,xOffset,yOffset,w,h,sprite,alpha,col);
+        DrawLoop.Draw_Sprite_Partial_Ext(x,y,xOffset,yOffset,w,h,sprite,frame_index,alpha,col);
     }
 
 	protected boolean KeyHeld(int key) {

src/sig/engine/Rectangle.java

@@ -42,4 +42,12 @@ public class Rectangle {
         this.h = h;
     }
 
+    @Override
+    public String toString() {
+        return new StringBuilder("Rectangle(x=").append(x).append(",")
+            .append("y=").append(y).append(",")
+            .append("w=").append(w).append(",")
+            .append("h=").append(h).append(")").toString();
+    }
+    
 }

src/sig/engine/Sprite.java

@@ -17,6 +17,7 @@ public class Sprite{
     public static Sprite BACKGROUND1 = new Sprite(new File(new File("..","backgrounds"),"back1.gif"));
     public static Sprite BACKGROUND2 = new Sprite(new File(new File("..","backgrounds"),"back2.gif"));
     public static Sprite BACKGROUND3 = new Sprite(new File(new File("..","backgrounds"),"back3.gif"));
+    public static AnimatedSprite ERINOAH = new AnimatedSprite(new File(new File("..","sprites"),"erinoah.gif"),48,48);
 
 
 

src/sig/objects/EditorRenderer.java

@@ -55,10 +55,10 @@ public class EditorRenderer extends LevelRenderer{
         int up = KeyHeld(KeyEvent.VK_UP)||KeyHeld(KeyEvent.VK_W)?1:0;
         int down = KeyHeld(KeyEvent.VK_DOWN)||KeyHeld(KeyEvent.VK_S)?1:0;
         if (right-left!=0) {
-            setX(getX()+(right-left)*CAMERA_SPD*updateMult);
+            setX(Math.max(0,getX()+(right-left)*CAMERA_SPD*updateMult));
         }
         if (up-down!=0) {
-            setY(getY()+(down-up)*CAMERA_SPD*updateMult);
+            setY(Math.max(0,getY()+(down-up)*CAMERA_SPD*updateMult));
         }
         boolean left_mb = MouseHeld(MouseEvent.BUTTON1);
         boolean middle_mb = MouseHeld(MouseEvent.BUTTON2);

src/sig/objects/Erinoah.java

@@ -0,0 +1,23 @@
+package sig.objects;
+
+import sig.engine.AnimatedObject;
+import sig.engine.Panel;
+import sig.engine.Sprite;
+
+public class Erinoah extends AnimatedObject{
+
+    public Erinoah(Panel panel) {
+        super(Sprite.ERINOAH, 4, panel);
+    }
+
+    @Override
+    public void update(double updateMult) {
+        super.update(updateMult);
+    }
+
+    @Override
+    public void draw(byte[] p) {
+        Draw_Animated_Sprite(16, 16, getAnimatedSpr(), getCurrentFrame());
+    }
+    
+}

src/sig/objects/LevelRenderer.java

@@ -66,7 +66,7 @@ public class LevelRenderer extends Object{
     }
 
     private void DrawTile(double x, double y, Tile tile) {
-        Draw_Sprite_Partial(x,y, tile.getSpriteSheetX()*tile.getTileWidth(), tile.getSpriteSheetY()*tile.getTileHeight(), tile.getTileWidth(), tile.getTileHeight(), getSprite());
+        Draw_Sprite_Partial(x,y, tile.getSpriteSheetX()*tile.getTileWidth(), tile.getSpriteSheetY()*tile.getTileHeight(), tile.getTileWidth(), tile.getTileHeight(), getSprite(), 0);
     }
 
     protected void DrawTransparentTile(double x, double y, Tile tile, Alpha alpha) {