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zeldaguru
zeldaguru

Cannot make a static reference...

in Programming Questions  •  2 years ago  
I am trying to make a battle senario like the ones in RPG's such as final fantasy or pokemon. I am currently in the early stages so i tried to run the code and see how it worked, because i thought it was working. but then i got the error message, :Cannot make a static refference to the non-static method Display() from the type RPG.player.
Please Help!
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  2. int gamestate;//state that the game currently is
  3. final static int menu = 1;
  4. final static int battle = 2 ; 
  5. int turn;//determines who moves: the player or the enemy
  6. final static int monsterturn = 4; // trolls turn
  7. final static int playerturn = 8;//player's turn
  8. int playerhealth = 1000;
  9. int monsterhealth = 666;
  10. int pattack;//player's attack
  11. int pdefense;//player's defense
  12. int pspeed;// player's speed
  13. int experience;//EXP
  14. int mattack, mdefense, mspeed;//speed, attack, defense

  16. //class for the player
  17. class Player{
  18.   int px;
  19.   int py;
  20.   int prad;
  21.   float levelbonus = random(0,5);
  22.    Player(){
  23.      pattack = 26;//attack (medium)
  24.      pdefense = 40;//defense (high)
  25.      pspeed = 15;//speed(kinda low)
  26.      px = 650;
  27.      py = 300;
  28.      prad = 20;
  29.    }
  30.    void Display(){
  31.      fill(0,255,42);
  32.      ellipse(px,py,prad*2,prad*2);
  33.    }
  34.    void Attack(){
  35.      if(mouseX>250&&mouseX<350&&mouseY>610&&mouseY<660 && mousePressed){
  36.        monsterhealth = monsterhealth - pattack + mdefense;
  37.        turn = monsterturn;

  39.      }  
  40.    }
  41.    
  42.    
  43. }
  44. //monster's attacks.
  45. class Monster{
  46.   int mx,my,mrad;
  47.   float maction = random (0,100);//to calculate what the monster will do 
  48.   
  49.   Monster(){
  50.     mx = 100;//x coordinate
  51.     my = 50;//y coordinate
  52.     mrad = 21;//radius of circly
  53.     mattack = 50;//attack powah
  54.     mdefense = 20;//defense powah
  55.     mspeed = 17;//speed powah
  56.   }
  57.   
  58.   void Display(){
  59.     fill(190,219,191);
  60.     ellipse(mx,my,2*mrad,2*mrad);
  61.   }
  62.   
  63.   void Action(){
  64.     if(maction <=50){
  65.       playerhealth = playerhealth - mattack + pdefense;
  66.       turn = playerturn;
  67.     } 
  68.     if(maction > 50){
  69.       turn = playerturn;
  70.     }
  71.   }
  72. }
  73.     
  74.     
  75.     


  78. void setup(){
  79.   size(750,750);//325 is center.
  80.   
  81. }
  82. void draw(){
  83.   background(255);
  84.   switch(gamestate){
  85.     
  86.     default://The menu is the default
  87.     background (0);
  88.     text("BLAH", 200,290);
  89.     text("This is a story of a man who has yet to realize his purpose on the earth\nAs the evil forces of the Dark Lord Haldur march into the Realm of Aervidel\nAll hope seems lost",250,300);
  90.     text("but one man, exiled from his home, leads a rebellion against these dark forces\nand little does he know that he will become the savior of Aervidel...", 300,350);
  91.    
  92.     fill(255);
  93.     rect(275,400,100,100);
  94.     if(mouseX>=275&&mouseX<=375&&mouseY<500&&mouseY>=400&&mousePressed){//start button
  95.       gamestate = battle;
  96.     }
  97.     break;
  98.     
  99.     case battle:
  100.     Player.Display();
  101.     background (255);
  102.     fill(255);
  103.     rect(0,600,600,150);//UBI: USER BATTLE INTERFACE CONSOLE
  104.     line(0,600,750,600);//makes the box for the health
  105.     rect(250,610,100,50);//attack button
  106.     rect(250,670,100,50);//defense button
  107.     fill(0);
  108.     text(playerhealth+"/1000", 625, 615);//player's health
  109.     if(playerhealth = 0){
  110.       noLoop();
  111.     }
  112.     
  113.     
  114.     switch (turn){
  115.     case playerturn:
  116.     Player.Attack();
  117.     break;
  118.     case monsterturn:
  119.     
  120.     break;
  121.     
  122.       
  123.     }
  124.     break;
  125.   }
  126.  
  127.  
  128. }

Replies(1)

PhiLho
PhiLho

Re: Cannot make a static reference...

2 years ago
When you created a class, most of the time, you have to create an instance of it, using the new keyword.
Like Player player = new Player(); (add parameters to the constructor if you need). Then you call the methods like: player.Display(); This allows, for example, to have several distinct monsters.
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