all repos — uStrat @ b91fdb49ec7308d4d8b43e7014dc997a499d848b

simple turn-based strategy game inspired by uCity, Super Robot Wars, C&C, Fire Emblem

Movement.js (raw)

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window.movement = {};
movement.chain = new Array();
movement.unit = {};
movement.pool = 0;
movement.animCounter = 0;
movement.gfx = {};
movement.gfx.overlay = new Image();
movement.gfx.overlay.src = "assets/ui/movementOverlay.png";

function Coords(x,y)
{
  this.x = x;
  this.y = y;
}

movement.init = function(u)
{
  this.unit = u;
  this.pool = u.agi;
  this.chain.push(new Coords(u.x, u.y));
}

movement.cancel = function()
{
  this.unit = {};
  this.pool = 0;
  this.chain = new Array();
  gameState.flow = "freeLook";
}

movement.listen = function()
{
  var z = {};
  var chainEnd = this.chain[this.chain.length - 1];

  if (controller.z)
  {
    while (this.chain.length > 1)
    {
      this.chain.pop();
      this.pool = this.unit.agi;
      mapCursor.x = this.chain[0].x;
      mapCursor.y = this.chain[0].y;
    }
  }

  if (controller.x)
  {
    this.cancel();
    return;
  }

  if (controller.y)
  {
    this.confirm();
    return;
  }

  if (controller.up)
  {
    z = new Coords(chainEnd.x, chainEnd.y - 1);
  }

  if (controller.left)
  {
    z = new Coords(chainEnd.x - 1, chainEnd.y);
  }

  if (controller.down)
  {
    z = new Coords(chainEnd.x, chainEnd.y + 1);
  }

  if (controller.right)
  {
    z = new Coords(chainEnd.x + 1, chainEnd.y);
  }

  if (!isEmptyObject(z))
  {
    if (map.data[z.x][z.y].agiMod <= this.pool && z.x >= 0 && z.x < 64 && z.y >= 0 && z.y < 64 && isEmptyObject(map.data[z.x][z.y].unit))
    {
      if (this.unit.name != "p1 Battle Angel")
      {
        this.pool -= map.data[z.x][z.y].agiMod + 1;
      }
      else { this.pool -= 1; }
      this.chain.push(z);
      mapCursor.x = z.x;
      mapCursor.y = z.y;
    }
  }
}

movement.showChain = function()
{
  var c, i, j;
  screen.font = "8px console";
  screen.textBaseline = "top";
  screen.fillStyle = "white";
  for (c = 0; c < this.chain.length; c++)
  {
    screen.drawImage(this.gfx.overlay, 16*(this.chain[c].x - camera.x), 16*(this.chain[c].y - camera.y));
  }
}

movement.confirm = function()
{
  gameState.flow = "moveAnim";
}

movement.go = function()
{
  this.animCounter++;
  if (this.animCounter == 10)
  {
    this.animCounter = 0;
    if (this.chain.length > 1)
    {
      this.chain.shift();
    }
    else
    {
      this.unit.hasMoved = true;
      this.unit = {};
      this.chain = new Array();
      this.pool = 0;
      gameState.flow = "freeLook";
      return;
    }
    moveToTile(this.unit, this.chain[0]);
  }
}

function moveToTile(unit, tile)
{
  var oX, oY;
  oX = unit.x;
  oY = unit.y;
  map.data[tile.x][tile.y].unit = unit;
  unit.x = tile.x;
  unit.y = tile.y;
  map.data[oX][oY].unit = {}
}