ТЕМА: Механика перемещения персонажа для настольных игр

(function () {
 
function getDirRotatedRight90(x) {
    switch (x) {
    case 2:
        return 4;
    case 4:
        return 8;
    case 6:
        return 2;
    case 8:
        return 6;
    }
}
 
function getDirRotatedLeft90(x) {
    switch (x) {
    case 2:
        return 6;
    case 4:
        return 2;
    case 6:
        return 8;
    case 8:
        return 4;
    }
}
 
function getMoveCmdForDir(direction) {
  switch (direction) {
    case 2:
        return Game_Character.ROUTE_MOVE_DOWN;
    case 4:
        return Game_Character.ROUTE_MOVE_LEFT;
    case 6:
        return Game_Character.ROUTE_MOVE_RIGHT;
    case 8:
        return Game_Character.ROUTE_MOVE_UP;
  }
}
 
function regionInDirection(char, dir) {
  var x = $gameMap.roundXWithDirection(char.x, dir);
  var y = $gameMap.roundYWithDirection(char.y, dir);
  var regionId = $gameMap.regionId(x, y);
 
  return regionId;
}
 
function findDirectionToMove(char, regionIds) {
  var dir = char.direction();
 
  for (var i = 0; i < regionIds.length; i++) {
    var regionId = regionIds[i];
    if (regionInDirection(char, dir) == regionId) {
      return dir;
    }
    if (regionInDirection(char, getDirRotatedRight90(dir)) == regionId) {
      return getDirRotatedRight90(dir);
    }
    if (regionInDirection(char, getDirRotatedLeft90(dir)) == regionId) {
      return getDirRotatedLeft90(dir);
    }
  }
 
  for (var i = 0; i < regionIds.length; i++) {
    var regionId = regionIds[i];
    if (regionInDirection(char, char.reverseDir(dir)) == regionId) {
      return char.reverseDir(dir);
    }
  }
}
 
 
if (Game_Interpreter.prototype.grbAddMoveInRail !== undefined) {
  console.error('Game_Interpreter.prototype.grbAddMoveInRail is already defined. Probably a plugin conflict!');
}
 
Game_Interpreter.prototype.grbAddMoveInRail = function(char, regionIds) {
  var dir = findDirectionToMove(char, regionIds);
  this._character = char;
 
  $gameMap.refreshIfNeeded();
  char.forceMoveRoute({
          "list": [
            {
              "code": getMoveCmdForDir(dir),
              "indent": null
            },
            {
              "code": 0
            }
          ],
          "repeat": false,
          "skippable": true,
          "wait": true
  });
 
  this.setWaitMode('route');
}
 
var Game_Interpreter_pluginCommand = Game_Interpreter.prototype.pluginCommand;
Game_Interpreter.prototype.pluginCommand = function(command, args) {
  if (command.toLowerCase() == 'step-in-rail') {
    var charId = parseInt(args.shift());
    var regionIds = args.map((x) => parseInt(x)).filter((x) => !isNaN(x));
    var char = this.character(charId);
 
    if (char && regionIds.length > 0) {
      this.grbAddMoveInRail(char, regionIds);
    }
  } else {
    Game_Interpreter_pluginCommand.call(this, command, args)
  }
}
 
})();