Method Jump

src/game_character.cpp:676–733

}

bool Game_Character::Jump(int x, int y) {
	if (!IsStopping()) {
		return true;
	}

	auto begin_x = GetX();
	auto begin_y = GetY();
	const auto dx = x - begin_x;
	const auto dy = y - begin_y;

	if (std::abs(dy) >= std::abs(dx)) {
		SetDirection(dy >= 0 ? Down : Up);
	} else {
		SetDirection(dx >= 0 ? Right : Left);
	}

	SetJumping(true);

	if (dx != 0 || dy != 0) {
		if (!IsFacingLocked()) {
			SetFacing(GetDirection());
		}

		// FIXME: Remove dependency on jump from within Game_Map::MakeWay?
		// RPG_RT passes INT_MAX into from_x to tell it to skip self tile checks, which is hacky..
		if (!MakeWay(begin_x, begin_y, x, y)) {
			SetJumping(false);
			return false;
		}
	}

	// Adjust positions for looping maps. jump begin positions
	// get set off the edge of the map to preserve direction.
	if (Game_Map::LoopHorizontal()
			&& (x < 0 || x >= Game_Map::GetTilesX()))
	{
		const auto old_x = x;
		x = Game_Map::RoundX(x);
		begin_x += x - old_x;
	}

	if (Game_Map::LoopVertical()
			&& (y < 0 || y >= Game_Map::GetTilesY()))
	{
		auto old_y = y;
		y = Game_Map::RoundY(y);
		begin_y += y - old_y;
	}

	SetBeginJumpX(begin_x);
	SetBeginJumpY(begin_y);
	SetX(x);
	SetY(y);
	SetJumping(true);
	SetRemainingStep(SCREEN_TILE_SIZE);

	return true;
}