private int setCameraLocation() {
		if (!Configuration.enableRoofs)
			return plane;
		int j = 3;
		if (yCameraCurve < 310) {
			int k = xCameraPos >> 7;
		int l = yCameraPos >> 7;
		int i1 = localPlayer.x >> 7;
		int j1 = localPlayer.y >> 7;
		if ((tileFlags[plane][k][l] & 4) != 0)
			j = plane;
		int k1;
		if (i1 > k)
			k1 = i1 - k;
		else
			k1 = k - i1;
		int l1;
		if (j1 > l)
			l1 = j1 - l;
		else
			l1 = l - j1;
		if (k1 > l1) {
			int i2 = (l1 * 0x10000) / k1;
			int k2 = 32768;
			while (k != i1) {
				if (k < i1)
					k++;
				else if (k > i1)
					k--;
				if ((tileFlags[plane][k][l] & 4) != 0)
					j = plane;
				k2 += i2;
				if (k2 >= 0x10000) {
					k2 -= 0x10000;
					if (l < j1)
						l++;
					else if (l > j1)
						l--;
					if ((tileFlags[plane][k][l] & 4) != 0)
						j = plane;
				}
			}
		} else {
			int j2 = (k1 * 0x10000) / l1;
			int l2 = 32768;
			while (l != j1) {
				if (l < j1)
					l++;
				else if (l > j1)
					l--;
				if ((tileFlags[plane][k][l] & 4) != 0)
					j = plane;
				l2 += j2;
				if (l2 >= 0x10000) {
					l2 -= 0x10000;
					if (k < i1)
						k++;
					else if (k > i1)
						k--;
					if ((tileFlags[plane][k][l] & 4) != 0)
						j = plane;
				}
			}
		}
		}
		if ((tileFlags[plane][localPlayer.x >> 7][localPlayer.y >> 7] & 4) != 0)
			j = plane;
		return j;
	}

	private int resetCameraHeight() {
		int orientation = getCenterHeight(plane, yCameraPos, xCameraPos);
		if (orientation - zCameraPos < 800
				&& (tileFlags[plane][xCameraPos >> 7][yCameraPos >> 7] & 4) != 0)
			return plane;
		else
			return 3;
	}