/// <summary>
/// Causes the player to interact with the closest object within reach.
/// </summary>
/// <param name="currentRoom"></param>
public void action(RoomLevelBase currentRoom)
{
RoomObjectBase obj = findClosestObject(currentRoom);
//TODO: Finish player-object interaction
//if(obj is RoomObjectButton)
//((RoomObjectButton)obj).
}
public void Update(KeyboardState keyboard, RoomLevelBase currentRoom)
{
//Save last position
lastXPos = xPos;
lastYPos = yPos;
//Player movement / action
if (keyboard.IsKeyDown(Config.keyLeft))
xPos -= Config.playerMoveSpeed;
if (keyboard.IsKeyDown(Config.keyRight))
xPos += Config.playerMoveSpeed;
if (keyboard.IsKeyDown(Config.keyUp))
yPos -= Config.playerMoveSpeed;
if (keyboard.IsKeyDown(Config.keyDown))
yPos += Config.playerMoveSpeed;
if (keyboard.IsKeyDown(Config.keyAction))
{
if (!wasDoingActionLast)
{
currentRoom.doPlayerAction = true;
wasDoingActionLast = true;
}
}
else
wasDoingActionLast = false;
//Determines the texture of the player depending on movement
if (xPos != lastXPos || yPos != lastYPos)
{
//If player has moved
if (xPos < lastXPos)
spriteDir = MoveDir.LEFT;
else if (xPos > lastXPos)
spriteDir = MoveDir.RIGHT;
if (yPos < lastYPos)
spriteDir = MoveDir.UP;
else if (yPos > lastYPos)
spriteDir = MoveDir.DOWN;
sprite.setMoveDir(spriteDir);
}
else
{
//If player has not moved
sprite.setMoveDir(spriteDir);
sprite.setNotMoving();
}
//Get Room objects
Dictionary<String, RoomObjectBase> roomObjects = currentRoom.getRoomObjects();
//Get exit gate position and size
RoomObjectGate exitGate = (RoomObjectGate) roomObjects[Names.Objects.GATE_EXIT];
Point exitGateTilePos = exitGate.getTilePosition();
exitGateTilePos.X += 1; //Gate size is manually adjusted to make more realistic collisions to get through it
Point exitGateTileMaxPos = new Point(exitGateTilePos.X + exitGate.getTileSize().X - 3, exitGateTilePos.Y + exitGate.getTileSize().Y - 1);
//Get background sprites
TextureManager.DUNGEON_SPRITES[,] bgSprites = currentRoom.getBackgroundTexture();
//Get player tile position
int halfTileSize = Reference.PIXELS_PER_GRID_SQUARE / 2;
xTilePos = (int) Math.Floor((xPos + halfTileSize) / Reference.PIXELS_PER_GRID_SQUARE);
yTilePos = (int) Math.Floor((yPos + halfTileSize) / Reference.PIXELS_PER_GRID_SQUARE);
//Check tile in direction of movement for wall, unless the gate is there
if (xPos < lastXPos)
{
//Moving Left
if (xPos <= (xTilePos * Reference.PIXELS_PER_GRID_SQUARE))
{
if (bgSprites[xTilePos - 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_L || bgSprites[xTilePos - 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_TL || bgSprites[xTilePos - 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_BL)
//If there's a WALL_L, WALL_TL, or WALL_BL to the left of the player
backToLastCoords('x');
//Check for object here
if (checkForObject(roomObjects, MoveDir.LEFT))
backToLastCoords('x');
}
}
else if (xPos > lastXPos)
{
//Moving Right
if (xPos >= (xTilePos * Reference.PIXELS_PER_GRID_SQUARE))
{
if (bgSprites[xTilePos + 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_R || bgSprites[xTilePos + 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_TR || bgSprites[xTilePos + 1, yTilePos] == TextureManager.DUNGEON_SPRITES.WALL_BR)
//If there's a WALL_R, WALL_TR, or WALL_BR to the right of the player
backToLastCoords('x');
if (checkForObject(roomObjects, MoveDir.RIGHT))
backToLastCoords('x');
}
}
if (yPos < lastYPos)
{
//Moving Up
if (yPos <= (yTilePos * Reference.PIXELS_PER_GRID_SQUARE))
{
if (bgSprites[xTilePos, yTilePos - 2] == TextureManager.DUNGEON_SPRITES.WALL_T || bgSprites[xTilePos, yTilePos - 2] == TextureManager.DUNGEON_SPRITES.WALL_TL || bgSprites[xTilePos, yTilePos - 2] == TextureManager.DUNGEON_SPRITES.WALL_TR)
{
if (!((xTilePos >= exitGateTilePos.X && xTilePos <= exitGateTileMaxPos.X) && (yTilePos - 1 >= exitGateTilePos.Y && yTilePos - 1 <= exitGateTileMaxPos.Y)))
{
//If there's a WALL_T, WALL_TL, or WALL_TR above the player and there's no gate
backToLastCoords('y');
Console.WriteLine("Stopping player at top!");
}
}
if (checkForObject(roomObjects, MoveDir.UP))
backToLastCoords('y');
}
}
else if (yPos > lastYPos)
{
//Moving Down
if (yPos >= (yTilePos * Reference.PIXELS_PER_GRID_SQUARE))
{
if (bgSprites[xTilePos, yTilePos + 1] == TextureManager.DUNGEON_SPRITES.WALL_B || bgSprites[xTilePos, yTilePos + 1] == TextureManager.DUNGEON_SPRITES.WALL_BL || bgSprites[xTilePos, yTilePos + 1] == TextureManager.DUNGEON_SPRITES.WALL_BR)
//If there's a WALL_B, WALL_BL, or WALL_BR below the player
backToLastCoords('y');
if (checkForObject(roomObjects, MoveDir.DOWN))
backToLastCoords('y');
}
}
}
/// <summary>
/// Finds the closest object to the player within reach (Config.playerActionRange) which can be interacted with.
/// Returns the object or null if none are found.
/// </summary>
/// <param name="currentRoom"></param>
/// <returns></returns>
public RoomObjectBase findClosestObject(RoomLevelBase currentRoom)
{
//Point playerCenter = new Point((int)xPos + (Reference.PIXELS_PER_GRID_SQUARE / 2), (int)yPos + (Reference.PIXELS_PER_GRID_SQUARE / 2));
Dictionary<String, RoomObjectBase> roomObjects = currentRoom.getRoomObjects();
RoomObjectBase closestObject = null;
double distToClosest = double.MaxValue;
foreach (RoomObjectBase obj in roomObjects.Values)
{
if (obj.canBeInteractedWith())
{
Point objPos = obj.getAbsolutePosition();
if (closestObject == null)
{
closestObject = obj;
distToClosest = getDist(new Point((int)xPos, (int)yPos), objPos);
}
else
{
//Check if obj is closer than current closest
Point closestPos = closestObject.getTilePosition();
double thisDist = getDist(new Point((int)xPos, (int)yPos), objPos);
if (thisDist < distToClosest)
{
closestObject = obj;
distToClosest = thisDist;
}
}
}
}
if (distToClosest < Reference.playerActionRange)
return closestObject;
else
return null;
}