Added multichannel support to entity rendering system

core/src/com/saltosion/gladiator/components/CRenderedObject.java

@@ -1,6 +1,8 @@
 package com.saltosion.gladiator.components;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.Set;
 
 import com.badlogic.ashley.core.Component;
 import com.badlogic.gdx.graphics.g2d.Sprite;
@@ -8,10 +10,13 @@ import com.saltosion.gladiator.util.SpriteSequence;
 
 public class CRenderedObject extends Component {
 	private HashMap<String, SpriteSequence> spritesequences = new HashMap<String, SpriteSequence>();
-	private String currentSequence = "";
-	private float currentframe = 0;
+	private ArrayList<String> channels = new ArrayList<String>();
+	private HashMap<String, String> currentSequences = new HashMap<String, String>();
+	private HashMap<String, Float> currentFrames = new HashMap<String, Float>();
 	
-	public CRenderedObject() {}
+	public CRenderedObject() {
+		addChannel("default");
+	}
 	
 	/**
 	 * Can be used if the Rendered Object is a single static image always.
@@ -19,46 +24,145 @@ public class CRenderedObject extends Component {
 	 */
 	public CRenderedObject(Sprite sprite) {
 		spritesequences.put("Idle", new SpriteSequence(sprite));
-		currentSequence = "Idle";
+		addChannel("default");
 	}
 	
 	public void addSequence(String key, SpriteSequence sequence) {
 		spritesequences.put(key, sequence);
 	}
 	
-	public void setCurrentSequence(String sequence) {
-		this.currentSequence = sequence;
+	/**
+	 * Sets sequence for channelName
+	 * @param channelName
+	 * @param sequence
+	 */
+	public void setCurrentSequence(String channelName, String sequence) {
+		this.currentSequences.put(channelName, sequence);
 	}
 	
+	/**
+	 * Sets sequence for "default" channel.
+	 * @param sequence 
+	 */
+	public void setCurrentSequence(String sequence) {
+		setCurrentSequence("default", sequence);
+	}
+	
+	/**
+	 * Sets frame for channelName
+	 * @param channelName
+	 * @param frame
+	 */
+	public void setCurrentFrame(String channelName, float frame) {
+		this.currentFrames.put(channelName, frame);
+	}
+	
+	/**
+	 * Sets frame for "default" channel.
+	 * @param frame
+	 */
 	public void setCurrentFrame(float frame) {
-		this.currentframe = frame;
+		setCurrentFrame("default", frame);
 	}
 	
 	public SpriteSequence getSequence(String key) {
 		return spritesequences.get(key);
 	}
 	
+	/**
+	 * Plays animation on the "default" channel, starting in frame 0
+	 * @param key
+	 */
 	public void playAnimation(String key) {
 		playAnimation(key, 0);
 	}
 	
-	public void playAnimation(String key, int startingframe) {
-		if (spritesequences.containsKey(key)) {
-			currentSequence = key;
-			currentframe = startingframe;
+	/**
+	 * Plays animation on channelName
+	 * @param channelName
+	 * @param key animation name
+	 * @param startingframe
+	 */
+	public void playAnimation(String channelName, String key, int startingframe) {
+		if (spritesequences.containsKey(key) && channels.contains(channelName)) {
+			setCurrentSequence(channelName, key);
+			setCurrentFrame(channelName, startingframe);
 			return;
 		}
 		String[] s = (String[]) spritesequences.keySet().toArray();
-		currentSequence = s[0];
-		currentframe = 0;
+		setCurrentSequence(channels.get(0), s[0]);
+		setCurrentFrame(channels.get(0), 0f);
 	}
 	
+	/**
+	 * Plays animation on the "default" channel.
+	 * @param key animation name
+	 * @param startingFrame
+	 */
+	public void playAnimation(String key, int startingframe) {
+		playAnimation("default", key, startingframe);
+	}
+	
+	public void addChannel(String channelName) {
+		Set<String> sequences = spritesequences.keySet();	
+		String sequence = "";
+		if (sequences.size() > 0) {
+			sequence = (String) sequences.toArray()[0];
+		}
+		this.channels.add(channelName);
+		this.currentSequences.put(channelName, sequence);
+		this.currentFrames.put(channelName, 0f);
+	}
+	
+	/**
+	 * Sets channel name
+	 * @param oldName Old name of the channel
+	 * @param newName New name of the channel to be set
+	 * @return <b>boolean</b>, false if channel with oldName doesn't exist or a channel with newName already exists.
+	 */
+	public boolean setChannelName(String oldName, String newName) {
+		if ( !this.channels.contains(oldName) || this.channels.contains(newName) ) {
+			return false;
+		}
+		this.channels.remove(oldName);
+		this.channels.add(newName);
+		this.currentFrames.put(newName, this.currentFrames.remove(oldName));
+		this.currentSequences.put(newName, this.currentSequences.remove(oldName));
+		return true;
+	}
+	
+	public ArrayList<String> getChannels() {
+		return channels;
+	}
+	
+	/**
+	 * Returns the current frame on "default" channel.
+	 * @return
+	 */
 	public float getCurrentFrame() {
-		return currentframe;
+		return currentFrames.get("default");
+	}
+	
+	/**
+	 * Returns the frame on "channel".
+	 * @param channel
+	 * @return
+	 */
+	public float getCurrentFrame(String channel) {
+		return currentFrames.get(channel);
 	}
 	
 	public String getCurrentSequence() {
-		return currentSequence;
+		return currentSequences.get("default");
+	}
+	
+	/**
+	 * Returns the current sequence on "channel"
+	 * @param channel
+	 * @return
+	 */
+	public String getCurrentSequence(String channel) {
+		return currentSequences.get(channel);
 	}
 	
 }

core/src/com/saltosion/gladiator/systems/RenderingSystem.java

@@ -99,8 +99,9 @@ public class RenderingSystem extends EntitySystem {
 		batch.begin();
 		for (int i = 0; i < entities.size(); i++) {
 			CRenderedObject renderedObject = rom.get(entities.get(i));
-			SpriteSequence currSequence = renderedObject.getSequence(renderedObject.getCurrentSequence());
-			int currFrame = (int) Math.floor(renderedObject.getCurrentFrame());
+			for (String channel : renderedObject.getChannels()) {
+				SpriteSequence currSequence = renderedObject.getSequence(renderedObject.getCurrentSequence(channel));
+				int currFrame = (int) Math.floor(renderedObject.getCurrentFrame(channel));
 				Sprite currSprite = currSequence.getSprite(currFrame);
 	
 				CPhysics physics = pm.get(entities.get(i));
@@ -115,6 +116,7 @@ public class RenderingSystem extends EntitySystem {
 				float nextFrame = renderedObject.getCurrentFrame() + deltaTime * currSequence.getPlayspeed();
 				renderedObject.setCurrentFrame(nextFrame % currSequence.frameCount());
 			}
+		}
 		batch.end();
 	}