jeu-de-combat/src/gameplay/match/match.java

package gameplay.match;

import engine.Engine;
import engine.input.Button;
import engine.input.GamepadInput;
import engine.math.Vector3f;
import engine.object.ObjectGl;
import engine.object.Sprite;
import gameplay.Characters.Blue.CharacterBlue;
import gameplay.actions.Attack;
import gameplay.actions.attackPart;
import gameplay.actions.Throw;
import gameplay.actions.ThrowPart;
import gameplay.entities.Status;
import gameplay.frames.Frame;
import gameplay.hitboxes.Active_HitBox;
import gameplay.hitboxes.Passive_HitBox;
import gameplay.hitboxes.Active_throw_Hitbox;
import gameplay.hitboxes.Passive_throw_HitBox;
import gameplay.input.InputBuffer;
import gameplay.entities.Character;
import gameplay.input.Inputs;
import gameplay.input.ButtonIG;

import java.util.ArrayList;

import static org.lwjgl.glfw.GLFW.*;

/**
 * Main class that describes the base structure of the match, with characters, timer and such
 * @author Victor Azra
 *
 */
public class match {

	/**
	 * the number of inputs read for each character, a.k.a. for how many frames the inputs are saved in memory.
	 */
	private static final int inputBufferSize = 120;

	/**
	 * the level of the "ground", used to determine if a character is in the air or not.
	 */
	private static final int groundLevel = -400;
	
	private static int timer;
	private static InputBuffer inputsP1, inputsP2;
	private static int roundsWonP1, roundsWonP2;
	private static Character p1, p2; //characters of player 1 and 2

	private static long timeStamp1;
	private static long timeStamp2;
	private static int frameCount;
	private static int oldPosXp1;
	private static int oldPosXp2;
	private static int oldPosYp1;
	private static int oldPosYp2;
	private static GamepadInput gamepad1 = null;
	private static GamepadInput gamepad2 = null;

	private static ObjectGl objP1,objP2;
	private static Engine engine;
	private static Frame f;
	private static int acCode = 0;

	/**
	 * Starts a new round, by placing the timer back at base value, characters back at full hp and such.
	 */
	private static void startNewRound() {
		timer = 99;
		inputsP1 = new InputBuffer(inputBufferSize);
		inputsP2 = new InputBuffer(inputBufferSize);
		p1.setPos(-750, groundLevel); //TODO : change to better values if needed
		p2.setPos((int) (750 - objP2.getWidth() * objP2.getScalingFactor()), groundLevel); //TODO : change to better values if needed
		objP1.translate(new Vector3f(p1.getPosX(),p1.getPosY(),0));
		objP2.translate(new Vector3f(p2.getPosX(),p2.getPosY(),0));
	}

	/**
	 * Ends the round.
	 * Used for playing animations and such.
	 * TODO : Implement this once we know what to do.
	 */
	private static void endRound() {

	}

	/**
	 * Ends the match.
	 * Used for playing animations and such.
	 * TODO : Implement this once we know what to do.
	 */
	private static void endMatch() {

	}

	public static void main(String[] args) throws Exception {
		engine = new Engine(640, 480, new Vector3f(4.0f, 3.0f));
		engine.init();

		boolean Joystick1Present = glfwJoystickPresent(GLFW_JOYSTICK_1);
		boolean Joystick2Present = glfwJoystickPresent(GLFW_JOYSTICK_2);
		System.out.println(Joystick1Present);

		String path = "textures/Sprite.png";
		String pathToBG = "textures/background_beach.png";

		ObjectGl background = new ObjectGl(0f,1f,1f,10f, pathToBG, null);
		background.setTextureWrap(0,0,621, 224, ObjectGl.DEFAULT);
		background.translate(new Vector3f(-3011.0f, 1400.0f, 1.0f));
		engine.add_objectGl(background);

		p1 = CharacterBlue.generateCharBlue();
		p2 = CharacterBlue.generateCharBlue();
		objP1 = new Sprite(10f, 5f, path, null);
		objP2 = new Sprite(15f, 5f, path, null);
		objP2.setColor(new Vector3f(1.0f,0.0f,1.0f));
		engine.add_objectGl(objP1);
		engine.add_objectGl(objP2);

		f = p1.getCurrentframe();
		objP1.setTextureWrap(f.getSprite()[0], f.getSprite()[1], f.getSprite()[2], f.getSprite()[3], ObjectGl.STICK_TOP);

		f = p2.getCurrentframe();
		objP2.setTextureWrap(f.getSprite()[0], f.getSprite()[1], f.getSprite()[2], f.getSprite()[3], ObjectGl.STICK_TOP);
		objP2.flipTextureWrapH();

		if (Joystick1Present) {
			gamepad1 = new GamepadInput(GLFW_JOYSTICK_1);
			gamepad1.inputRefresh();
		}
		if(Joystick2Present) {
			gamepad2 = new GamepadInput(GLFW_JOYSTICK_2);
			gamepad2.inputRefresh();
		}

		while(frameCount < 5940 && engine.getRunning()) {
			ac(acCode);
			if(engine.shouldClose()) engine.setRunning(false);
		}


	}

	private static void ac(int i) {
//		System.out.println(i);
		switch (i) {

			//initiate a round
			case 0 :
				startNewRound();
				timeStamp1 = System.currentTimeMillis();
				frameCount = 0;
				acCode = 10;
				break;

				//checks if one or both of the chars are out of health
			case 10:
				oldPosXp1 = p1.getPosX();
				oldPosXp2 = p2.getPosX();
				oldPosYp1 = p1.getPosY();
				oldPosYp2 = p2.getPosY();

				if(p1.getCurrentHP() <= 0 && p2.getCurrentHP() <= 0) { acCode = 11;}
				else if(p1.getCurrentHP() <= 0) { acCode = 12;}
				else if(p2.getCurrentHP() <= 0) { acCode = 13;}
				else { acCode = 20;}
				break;

				//end round
			case 11:
				endRound();
				if(roundsWonP1 >= 2||roundsWonP2 >= 2) { endMatch();} //TODO : will probably need to specify more
				else{acCode = 0;}
				break;

				//if p1 is at 0 health
			case 12:
				roundsWonP2++;
				acCode = 11;
				break;

				//if p2 is at 0 health
			case 13:
				roundsWonP1++;
				acCode = 11;
				break;

				//read both players inputs
			case 20:
				if (glfwJoystickPresent(GLFW_JOYSTICK_1) && glfwJoystickPresent(GLFW_JOYSTICK_2)) {
					gamepad1 = new GamepadInput(GLFW_JOYSTICK_1);  
					gamepad1.inputRefresh();
					inputsP1.recordInputsFromGamepad(gamepad1, p1.getPosX() < p2.getPosX());
					gamepad2 = new GamepadInput(GLFW_JOYSTICK_2);
					gamepad2.inputRefresh();
					inputsP2.recordInputsFromGamepad(gamepad2, p2.getPosX() <= p1.getPosX());
				}
				handleInputs(p1, inputsP1);
				handleInputs(p2, inputsP2);
				acCode = 21;
				break;

				//start of the handling of hitboxes
			case 21:
				try {
					handleThrows(p1, p2);
				} catch (IndexOutOfBoundsException e) {}
				try {
					handleHits(p1, p2, inputsP2);
					handleHits(p2, p1, inputsP1);
				}catch (IndexOutOfBoundsException e) {};
				acCode = 22;
				break;

				//Update of the current frame of each character
			case 22:
				if(p1.getCurrentframe().islastFrameOfHit()) {
					p1.removeFirstAttackPart();
				}
				if(p2.getCurrentframe().islastFrameOfHit()) {
					p2.removeFirstAttackPart();
				}
				nextFrame(p1,inputsP1);
				nextFrame(p2,inputsP2);
				updatePos(p1);
				updatePos(p2);
				f = p1.getCurrentframe();
				objP1.setTextureWrap(f.getSprite()[0], f.getSprite()[1], f.getSprite()[2], f.getSprite()[3], ObjectGl.STICK_TOP);
				objP1.translate(new Vector3f(p1.getPosX()-oldPosXp1,p1.getPosY()-oldPosYp1,0));
				f = p2.getCurrentframe();
				objP2.setTextureWrap(f.getSprite()[0], f.getSprite()[1], f.getSprite()[2], f.getSprite()[3], ObjectGl.STICK_TOP);
				objP2.translate(new Vector3f(p2.getPosX()-oldPosXp2,p2.getPosY()-oldPosYp2,0));

				boolean p1LooksRight = p1.getPosX() < p2.getPosX();
				if(p1LooksRight) {
					Frame nf = new Frame();
					nf.clone(p2.getCurrentframe());
					nf.invertHitBoxes();
					p2.setCurrentFrame(nf);
					objP2.flipTextureWrapH();
				} else {
					Frame nf = new Frame();
					nf.clone(p1.getCurrentframe());
					nf.invertHitBoxes();
					p1.setCurrentFrame(nf);
					objP1.flipTextureWrapH();
				}
				engine.update();
				engine.render();
				acCode = 23;
				break;

				//Waits the end of 1/60th of a second since start of frame then loops back to  start
			case 23:
				timeStamp2 = System.currentTimeMillis();
				while(timeStamp2-timeStamp1<(1000/60)) {
					timeStamp2 = System.currentTimeMillis();
				}
				frameCount++;
				timeStamp1 = System.currentTimeMillis();
				acCode=10;
				break;

		}
	}

	/**
	 * Will handle the inputs recorder and have the character do a corresponding action if possible
	 * Order of priority is Throw > Special > Normal > Jump > Dash > Crouch > Move > do nothing
	 * @param c
	 * @param input
	 */
	private static void handleInputs(Character c, InputBuffer input) {
		Inputs latestIn = input.getLatestInputs();
		boolean actionSet = false;
		if(latestIn.containsButtonTab(c.getNormalthrow().getCommand()[0]) && c.getCurrentframe().isNormalCancellable()) {
			c.clearNextFrames();
			c.addNextFramesList(c.getNormalthrow().getFrame());
			actionSet = true;
		} else {
			int atkCount = 0;
			//do an attack if possible
			while(atkCount < c.getAttacks().length && !actionSet) {
				Attack atk = c.getAttacks()[atkCount];
				Boolean attackIsPossible = input.commandRecognized(atk.getCommand())
						&& atk.getRequiredStatus().equals(c.getStatus())
						&& ((atk.isSpecial() && c.getCurrentframe().isSpecialCancellable())
							|| (!atk.isSpecial() && c.getCurrentframe().isNormalCancellable()));
				if(attackIsPossible) {
					c.clearNextFrames();
					c.addNextFramesList(atk.getFrame());
					c.setAttackPartsArray(atk.getParts());
					actionSet = true;
				}
				atkCount++;
			}
			if(c.getCurrentframe().isJumpCancellable() && !actionSet) {
				if (input.commandRecognized(c.getForwardJump().getCommand())) {
					c.clearNextFrames();
					c.addNextFramesList(c.getForwardJump().getFrame());
					actionSet = true;
					c.setStatus(Status.JUMPING);
				} else if (input.commandRecognized(c.getBackJump().getCommand())) {
					c.clearNextFrames();
					c.addNextFramesList(c.getForwardJump().getFrame());
					actionSet = true;
					c.setStatus(Status.JUMPING);
				} else if (input.commandRecognized(c.getNeutralJump().getCommand())) {
					c.clearNextFrames();
					c.addNextFramesList(c.getNeutralJump().getFrame());
					actionSet = true;
					c.setStatus(Status.JUMPING);
				}
			}
			if(c.getCurrentframe().isDashCancellable() && !actionSet) {
				if (input.commandRecognized(c.getForwardDash().getCommand())) {
					c.clearNextFrames();
					c.addNextFramesList(c.getForwardDash().getFrame());
					actionSet = true;
				} else if (input.commandRecognized(c.getBackDash().getCommand())) {
					c.clearNextFrames();
					c.addNextFramesList(c.getBackDash().getFrame());
					actionSet = true;
				}
			}
			if(c.getCurrentframe().isMoveCancellable() && !actionSet) {
				if(input.getLatestInputs().containsInput(ButtonIG.DOWN)) {
					c.clearNextFrames();
					c.addNextFrames(c.getDefaultCrouchingFrames());
				} else if(input.getLatestInputs().containsInput(ButtonIG.BACK)) {
					c.clearNextFrames();
					c.addNextFrames(c.getBackWalkFrames());
				} if(input.getLatestInputs().containsInput(ButtonIG.FORWARD)) {
					c.clearNextFrames();
					c.addNextFrames(c.getForwardWalkFrames());
				}
			}

		}


	}

	private static void handleThrows(Character p1, Character p2) {
		ArrayList<Active_throw_Hitbox> activeP1 = new ArrayList<Active_throw_Hitbox>(p1.getCurrentframe().getActThrowHitBox());
		ArrayList<Passive_throw_HitBox> passiveP2 = new ArrayList<Passive_throw_HitBox>(p2.getCurrentframe().getPassThrowHitBox());
		ArrayList<ThrowPart> tP = new ArrayList<ThrowPart>(p1.getNextThrowParts());
		ThrowPart hit = new ThrowPart(tP.get(0).getFrames());
		hit.clone(tP.get(0));
		for(Active_throw_Hitbox atH : activeP1) {
			for(Passive_throw_HitBox ptH : passiveP2) {
				if(!hit.hasHit()){
					boolean p1LooksRight =  p1.getPosX() < p2.getPosX();
					boolean touchH = (p1LooksRight && (atH.getPosX()+p1.getPosX()+ atH.getSize_x() > ptH.getPosX()+p2.getPosX()+ptH.getSize_x())
													&& (atH.getPosX() < ptH.getPosX()))
									|| (!p1LooksRight && (atH.getPosX()+p1.getPosX()+ atH.getSize_x() < ptH.getPosX()+p2.getPosX()+ptH.getSize_x())
														&& (atH.getPosX() > ptH.getPosX()));

					boolean touchV = (atH.getPosY() - atH.getSize_y() < ptH.getPosY()) && (atH.getPosY() > ptH.getPosY() - ptH.getSize_y());
					if(touchH && touchV) {
						hit.setHasHit(true);
						tP.set(0,hit);
					}

				}
			}
		}
	}

	/**
	 * handles the if the first character hits the second one
	 * @param p1 the character whose hits to handle
	 * @param p2 the character who is or isn't hit
	 * @param inputsP2 the inputs of the player 2, used to see if they're guarding
	 */
	private static void handleHits(Character p1, Character p2, InputBuffer inputsP2) {
		ArrayList<Active_HitBox> activeP1 = new ArrayList<Active_HitBox>(p1.getCurrentframe().getActHitBox());
		ArrayList<Passive_HitBox> passiveP2 = new ArrayList<Passive_HitBox>(p2.getCurrentframe().getPassHitBox());
		ArrayList<attackPart> aP = new ArrayList<attackPart>(p1.getNextAttackParts());
		attackPart hit = new attackPart(aP.get(0).getFrames());
		hit.clone(aP.get(0));
		for(Active_HitBox aH : activeP1) {
			for(Passive_HitBox pH : passiveP2) {
				if(!hit.hasHit()){
					boolean p1LooksRight =  p1.getPosX() < p2.getPosX();
					boolean touchH = (p1LooksRight && (aH.getPosX()+p1.getPosX()+ aH.getSize_x() > pH.getPosX()+p2.getPosX()+pH.getSize_x())
													&& (aH.getPosX() < pH.getPosX()))
									|| (!p1LooksRight && (aH.getPosX()+p1.getPosX()+ aH.getSize_x() < pH.getPosX()+p2.getPosX()+pH.getSize_x())
														&& (aH.getPosX() > pH.getPosX()));

					boolean touchV = (aH.getPosY() - aH.getSize_y() < pH.getPosY()) && (aH.getPosY() > pH.getPosY() - pH.getSize_y());
					if(touchH && touchV) {
						getHit(p2,hit,inputsP2.getLatestInputs());
						hit.setHasHit(true);
						aP.set(0,hit);
					}

				}
			}
		}
	}

	/**
	 * Handles a character getting hit by an attack part.
	 * @param c the character that's getting hit
	 * @param aP the attackPart hitting the character
	 * @param inputs the current inputs of c
	 */
	private static void getHit(Character c, attackPart aP, Inputs inputs) {
		boolean getsHit = (c.getStatus() == Status.JUMPING) || (c.getStatus() == Status.HITINAIR) || (c.getStatus() == Status.FALLING)
					|| inputs.containsInput(ButtonIG.BACK)
					|| (aP.isLow() && !inputs.containsInput(ButtonIG.DOWN))
					|| (aP.isOverHead() && inputs.containsInput(ButtonIG.DOWN));
		Frame[] nextFrames;
		c.clearNextFrames();
		if(getsHit) {
			switch (c.getStatus()) {
				case JUMPING: case HITINAIR: case FALLING :

					nextFrames = new Frame[20];
					for(int i = 0; i < nextFrames.length; i++) {
						nextFrames[i] = c.getHitInAirFrame();
					}
					c.addNextFrames(nextFrames);
					c.reduceHP(aP.getDamage());
					c.setStatus(Status.HITINAIR);
					break;
				default :
					c.clearNextFrames();
					if(!aP.knocksDown()) {
					nextFrames = new Frame[aP.getHitstun()];
						if (inputs.containsInput(ButtonIG.DOWN)) {
							for (int i = 0; i < nextFrames.length; i++) {
								nextFrames[i] = c.getCrouchHitFrame();
							}
						} else {
							for (int i = 0; i < nextFrames.length; i++) {
								nextFrames[i] = c.getStandHitFrame();
							}
						}
					} else {
						nextFrames = new Frame[c.getKnockedDownFrames().length];
						for (int i = 0; i < nextFrames.length; i++) {
							nextFrames[i] = c.getKnockedDownFrames()[i];
						}
					}
					c.addNextFrames(nextFrames);
					c.reduceHP(aP.getDamage());
					break;
			}
		} else {
			nextFrames = new Frame[aP.getBlockstun()];
			if(inputs.containsInput(ButtonIG.DOWN)) {
				for(int i = 0; i < nextFrames.length; i++) {
					nextFrames[i] = c.getCrouchGuardFrame();
				}
			} else {
				for(int i = 0; i < nextFrames.length; i++) {
					nextFrames[i] = c.getStandGuardFrame();
				}
			}
			c.reduceHP(aP.getChipDamage());
			c.addNextFrames(nextFrames);
		}
	}

	/**
	 * Sets the character to its next logical frame
	 * @param c the character
	 * @param in the input buffer corresponding to the character
	 */
	private static void nextFrame(Character c, InputBuffer in) {
		try {
		//if(!c.getFrames().getNextframe().equals(null)){
			c.goToNextFrames();
		} catch (NullPointerException e) {
			switch(c.getStatus()) {
				case FALLING:case HITINAIR:
					if(c.getPosY() > groundLevel){
						c.setStatus(Status.FALLING);
						c.setCurrentFrame(c.getFallingframe());
					} else {
						c.setPos(c.getPosX(),groundLevel);
						c.setStatus(Status.KNOCKEDDOWN);
						c.addNextFrames(c.getKnockedDownFrames());
					}
				default:
					c.setStatus(Status.NORMAL);
					if(in.getLatestInputs().containsInput(ButtonIG.DOWN)) {
						c.addNextFrames(c.getDefaultCrouchingFrames());
					} else {c.addNextFrames(c.getDefaultStandingFrames());}
					break;
			}
		}
	}

	private static void updatePos(Character c) {
		c.setPos((int)(c.getPosX()+c.getCurrentframe().getMove_x()),(int)(c.getPosY()+c.getCurrentframe().getMove_y()));
	}

}