/*
 * Program #4
 *
 * Authors:
 * Paul-Valentin Mini (pcamille@ucsc.edu)
 * Gavin Hughes (gthughes@ucsc.edu)
 * Date: Feb. 11, 2012
 *
 */

float positionHUDX;
float positionHUDY;
float playerXspeed;
float playerYspeed;
float playerMoveX = 200;
float playerMoveY = 300;
boolean moveDirectionX;
boolean moveDirectionY;

float snitchXpos;
float snitchYpos;
float snitchXspeed = 5;
float snitchYspeed = 4.4;
int snitchXdirection = 1;
int snitchYdirection = 1;

PFont f;

void setup() {
  size(400, 400);
  rectMode(CENTER);
  ellipseMode(CENTER);
  smooth();
  f = loadFont("Batang-48.vlw");
  textFont(f,32);
}

void draw() {
  keyShortcuts();
  speedDetection();
  movePlayer();
  moveSnitch();
}

void speedDetection() {   // Detect the mouse position and calculate speed.
  if (mouseX < 200) {
    playerXspeed = (mouseX/20);
    moveDirectionX = false;
  }
  else if (mouseX > 200) {
    playerXspeed = (mouseX-200)/20;
    moveDirectionX = true;
  }
  if (mouseY < 200) {
    playerYspeed = (mouseY/20);
    moveDirectionY = false;
  }
  else if (mouseY > 200) {
    playerYspeed = (mouseY-200)/20;
    moveDirectionY = true;
  }
}

void moveSnitch() {    // make the snitch move around
  snitchXpos = snitchXpos + ( snitchXspeed * snitchXdirection );
  snitchYpos = snitchYpos + ( snitchYspeed * snitchYdirection );
  if (snitchXpos > width-10 || snitchXpos < 0) {
    snitchXdirection *= -1;
  }
  if (snitchYpos > height-10 || snitchYpos < 0) {
    snitchYdirection *= -1;
  }
  drawSnitch(snitchXpos+5, snitchXpos+5);
}

void movePlayer() {                  // Apply the calculated speed & direction.
  if (moveDirectionX == false) {
    if (moveDirectionY == false) {
      playerMoveX = playerMoveX - playerXspeed;
      playerMoveY = playerMoveY - playerYspeed;
    }
    else if (moveDirectionY == true) {
      playerMoveX = playerMoveX - playerXspeed;
      playerMoveY = playerMoveY + playerYspeed;
    }
  }
  else if (moveDirectionX == true) {
    if (moveDirectionY == false) {
      playerMoveX = playerMoveX + playerXspeed;
      playerMoveY = playerMoveY - playerYspeed;
    }
    else if (moveDirectionY == true) {
      playerMoveX = playerMoveX + playerXspeed;
      playerMoveY = playerMoveY + playerYspeed;
    }
  }
  limitPlayerLoc();
  background(#DBDBDB);
  drawPlayer(playerMoveX, playerMoveY);
  drawPositionHUD();
}

void limitPlayerLoc() {     // make sure the player doesnt leave the screen too much.
  if (playerMoveX < -15) {
    playerMoveX = -14;
  }
  else if (playerMoveX > 420) {
    playerMoveX = 419;
  }
  if (playerMoveY < -15) {
    playerMoveY = -14;
  }
  else if (playerMoveY > 420) {
    playerMoveY = 419;
  }
}

void drawPositionHUD() {
  if (playerMoveX < 0) {
    positionHUDX = 5;
    positionHUDY = playerMoveY;
  }
  else if (playerMoveX > 400) {
    positionHUDX = 395;
    positionHUDY = playerMoveY;
  }
  else if (playerMoveY < 0) {
    positionHUDY = 5;
    positionHUDX = playerMoveX;
  }
  else if (playerMoveY > 400) {
    positionHUDY = 395;
    positionHUDX = playerMoveX;
  }
  fill(0,255,0);
  rect(positionHUDX, positionHUDY, 10, 10);
}

void drawPlayer(float playerLocX, float playerLocY) {   // draw the player
  stroke(5);
  line(playerLocX, playerLocY, playerLocX, playerLocY+50);
  noStroke();
  fill(#835100);
  rect(playerLocX, playerLocY+50, 10, 10);
  fill(255, 0, 0);
  ellipse(playerLocX, playerLocY+20, 15, 15);
  fill(#FF9393);
  stroke(1);
  ellipse(playerLocX, playerLocY+17, 10, 10);
  noStroke();
}

void drawSnitch(float snitchLocX, float snitchLocY) {  //draw the snitch
  stroke(1);
  fill(#DADB28);
  ellipse(snitchLocX, snitchLocY, 10, 10);
}

void drawVictory() {  //victory display
  fill(#E03939);
  rect(200, 200, 400, 400);
  fill(255, 0, 0);
  rect(200, 200, 200, 200);
  fill(#39E0D1);
  text("You", 170, 150);
  fill(#39E0D1);
  text("win", 170, 200);
  fill(#39E0D1);
  text("everything!", 115, 250);
  noLoop();
}

void drawDefeat() {  //defeat display
  fill(#35226C);
  rect(200, 200, 400, 400);
  fill(0);
  rect(200, 200, 200, 200);
  fill(255);
  text("GAME", 150, 185);
  fill(255);
  text("OVER", 153, 235);
  noLoop();
}

void keyShortcuts() {
  if (keyPressed == true) {
    if ((key == 'w') || (key == 'W')) {
      drawVictory();
    }
    else if ((key == 'l') || (key == 'L')) {
      drawDefeat();
    }
  }
}