Handling of the inputs done. Determines what the characters next frames will be depending on what th player has input.

src/gameplay/input/InputBuffer.java

@@ -3,6 +3,13 @@ package gameplay.input;
 import engine.input.GamepadInput;
 
 public class InputBuffer {
+
+	/**
+	 * The number of past frames to check for a certain input pas another one.
+	 * For example, if you need to input DOWN, then FORWARD, and we know FORWARD has been input on frame 25,
+	 * this indicates that you need to check for DOWN on frames 20 to 24
+	 */
+	private static final int pastFramesToCheck = 5;
 	
 	/**
 	 * a list of various inputs being recorded, such as inputs pressed at each frame
@@ -89,5 +96,47 @@ public class InputBuffer {
 		in.recordFromGamepad(pad, facesRight);
 		this.recordInputs(in);
 	}
+
+	/**
+	 * Checks for a command to be recognized. The last input of the command has to have been input on the current frame
+	 * @param command
+	 * @return true if the command is recognized,false if not
+	 */
+	public boolean commandRecognized(ButtonIG[][] command) {
+		boolean ret = true;
+		int backCounter;
+		int startFrameCount = this.pos;
+		int frameToCheck;
+		try {
+			ret = this.inputList[pos].containsButtonTab(command[command.length - 1]);
+		} catch (ArrayIndexOutOfBoundsException e ) {
+			return true;
+		}
+		for(int i = command.length - 2; i <= 0 && ret; i--) {
+			backCounter = 1;
+			if(startFrameCount - backCounter < 0) {frameToCheck = this.size - (backCounter - startFrameCount);}
+			else {frameToCheck = startFrameCount - backCounter;}
+			boolean search = true;
+			while(ret && search) {
+				if(this.inputList[frameToCheck].containsButtonTab(command[i])) {
+					ret = true;
+					search = false;
+				} else {
+					if(backCounter == pastFramesToCheck) {
+						ret = false;
+						search = false;
+					}
+					else {
+						backCounter++;
+						if(startFrameCount - backCounter < 0) {frameToCheck = this.size - (backCounter - startFrameCount);}
+						else {frameToCheck = startFrameCount - backCounter;}
+					}
+				}
+				startFrameCount = frameToCheck;
+			}
+		}
+
+		return ret;
+	}
 }