| 1 | /** |
| 2 | * DOUBLE BLACK DIAMOND DOUBLE BLACK DIAMOND |
| 3 | * |
| 4 | * //\\ //\\ //\\ //\\ |
| 5 | * ///\\\ ///\\\ ///\\\ ///\\\ |
| 6 | * \\\/// \\\/// \\\/// \\\/// |
| 7 | * \\// \\// \\// \\//H |
| 8 | * |
| 9 | * EXPERTS ONLY!! EXPERTS ONLY!! |
| 10 | * |
| 11 | * If you are an artist, you may ignore this file! It contains |
| 12 | * the code to drive grizzly board outputs. |
| 13 | */ |
| 14 | |
| 15 | GrizzlyOutput[] buildGrizzlies() throws SocketException, UnknownHostException { |
| 16 | return new GrizzlyOutput[] { |
| 17 | new GrizzlyOutput(lx, "192.168.88.100", 6, 5, 6, 7, 7, 8, 1, 2, 4, 3, 11, 10, 9, 9, 12, 13), |
| 18 | new GrizzlyOutput(lx, "192.168.88.101", 25, 23, 24, 43, 45, 44, 1, 1, 1, 1, 1, 41, 42, 21, 20, 22), |
| 19 | new GrizzlyOutput(lx, "192.168.88.104", 26, 28, 27, 19, 18, 17, 1, 1, 18, 19, 15, 16, 14, 29, 30, 31), |
| 20 | new GrizzlyOutput(lx, "192.168.88.105", 1, 1, 1, 39, 38, 40, 34, 35, 33, 32, 37, 37, 1, 1, 1, 1), |
| 21 | }; |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * Grizzly Output, sends packets to one grizzly board with a fixed IP and a number |
| 26 | * of channels. |
| 27 | */ |
| 28 | class GrizzlyOutput extends LXDatagramOutput { |
| 29 | |
| 30 | public final String ipAddress; |
| 31 | |
| 32 | private int frameNumber = 0; |
| 33 | |
| 34 | public GrizzlyOutput(LX lx, String ipAddress, int ... cubeIndices) throws UnknownHostException, SocketException { |
| 35 | super(lx); |
| 36 | this.ipAddress = ipAddress; |
| 37 | int channelNum = 0; |
| 38 | for (int rawCubeIndex : cubeIndices) { |
| 39 | if (rawCubeIndex > 0) { |
| 40 | Cube cube = model.getCubeByRawIndex(rawCubeIndex); |
| 41 | addDatagram(new GrizzlyDatagram(this, channelNum, cube).setAddress(ipAddress)); |
| 42 | } |
| 43 | ++channelNum; |
| 44 | } |
| 45 | this.enabled.setValue(false); |
| 46 | } |
| 47 | |
| 48 | protected void beforeSend(int[] colors) { |
| 49 | ++frameNumber; |
| 50 | } |
| 51 | |
| 52 | public int getFrameNumber() { |
| 53 | return this.frameNumber; |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Datagram to a Grizzlyboard. A simple fixed OSC packet. |
| 59 | */ |
| 60 | static class GrizzlyDatagram extends LXDatagram { |
| 61 | |
| 62 | private static byte[] oscString(String s) { |
| 63 | int len = s.length(); |
| 64 | int padding = (4 - ((len + 1) % 4)) % 4; |
| 65 | byte[] bytes = new byte[len + 1 + padding]; |
| 66 | System.arraycopy(s.getBytes(), 0, bytes, 0, len); |
| 67 | for (int i = len; i < bytes.length; ++i) { |
| 68 | bytes[i] = 0; |
| 69 | } |
| 70 | return bytes; |
| 71 | } |
| 72 | |
| 73 | private static int oscIntCopy(int i, byte[] buffer, int pos) { |
| 74 | buffer[pos] = (byte) ((i >> 24) & 0xff); |
| 75 | buffer[pos + 1] = (byte) ((i >> 16) & 0xff); |
| 76 | buffer[pos + 2] = (byte) ((i >> 8) & 0xff); |
| 77 | buffer[pos + 3] = (byte) (i & 0xff); |
| 78 | return 4; |
| 79 | } |
| 80 | |
| 81 | private final static int[] STRIP_ORDERING = new int[] { 9, 8, 11, 5, 4, 7, 6, 10, 14, 2, 1, 0, 3, 13, 12, 15 }; |
| 82 | |
| 83 | private static int[] cubePointIndices(Cube cube) { |
| 84 | int[] pointIndices = new int[Cube.POINTS_PER_CUBE - 2]; |
| 85 | int pi = 0; |
| 86 | for (int stripIndex : STRIP_ORDERING) { |
| 87 | Strip strip = cube.strips.get(stripIndex); |
| 88 | int stripLen = ((stripIndex == 9) || (stripIndex == 15)) ? 15 : 16; |
| 89 | for (int i = stripLen-1; i >= 0; --i) { |
| 90 | pointIndices[pi++] = strip.points.get(i).index; |
| 91 | } |
| 92 | } |
| 93 | return pointIndices; |
| 94 | } |
| 95 | |
| 96 | private final static byte[] OSC_ADDRESS = oscString("/shady/pointbuffer"); |
| 97 | private final static byte[] OSC_TYPETAG = oscString(",iiiiibi"); |
| 98 | |
| 99 | private final static int HEADER_LENGTH = OSC_ADDRESS.length + OSC_TYPETAG.length + 24; |
| 100 | private final static int FOOTER_LENGTH = 4; |
| 101 | |
| 102 | private final static int OSC_PORT = 779; |
| 103 | |
| 104 | private GrizzlyOutput output; |
| 105 | |
| 106 | private int[] pointIndices; |
| 107 | |
| 108 | private final int frameNumberPos; |
| 109 | |
| 110 | private final int dataPos; |
| 111 | |
| 112 | public GrizzlyDatagram(GrizzlyOutput output, int channelNum, Cube cube) { |
| 113 | this(output, channelNum, cubePointIndices(cube)); |
| 114 | } |
| 115 | |
| 116 | public GrizzlyDatagram(GrizzlyOutput output, int channelNum, int[] pointIndices) { |
| 117 | super(HEADER_LENGTH + 4*pointIndices.length + FOOTER_LENGTH); |
| 118 | setPort(OSC_PORT); |
| 119 | |
| 120 | this.output = output; |
| 121 | this.pointIndices = pointIndices; |
| 122 | int dataLength = 4*pointIndices.length; |
| 123 | |
| 124 | int pos = 0; |
| 125 | |
| 126 | // OSC address |
| 127 | System.arraycopy(OSC_ADDRESS, 0, this.buffer, pos, OSC_ADDRESS.length); |
| 128 | pos += OSC_ADDRESS.length; |
| 129 | |
| 130 | // OSC typetag |
| 131 | System.arraycopy(OSC_TYPETAG, 0, this.buffer, pos, OSC_TYPETAG.length); |
| 132 | pos += OSC_TYPETAG.length; |
| 133 | this.frameNumberPos = pos; |
| 134 | pos += oscIntCopy(0, this.buffer, pos); // placeholder for frame number |
| 135 | pos += oscIntCopy(0xDEADBEEF, this.buffer, pos); |
| 136 | pos += oscIntCopy(channelNum, this.buffer, pos); |
| 137 | pos += oscIntCopy(0xFEEDBEEF, this.buffer, pos); |
| 138 | pos += oscIntCopy(dataLength, this.buffer, pos); |
| 139 | pos += oscIntCopy(dataLength, this.buffer, pos); |
| 140 | this.dataPos = pos; |
| 141 | |
| 142 | // end header |
| 143 | oscIntCopy(0xBEFFFFEB, this.buffer, this.buffer.length - 4); |
| 144 | } |
| 145 | |
| 146 | void onSend(int[] colors) { |
| 147 | oscIntCopy(this.output.getFrameNumber(), this.buffer, frameNumberPos); |
| 148 | int dataIndex = this.dataPos; |
| 149 | for (int index : this.pointIndices) { |
| 150 | color c = (index >= 0) ? colors[index] : 0; |
| 151 | this.buffer[dataIndex] = (byte) 0; // unused, alpha |
| 152 | this.buffer[dataIndex + 1] = (byte) ((c >> 16) & 0xff); // r |
| 153 | this.buffer[dataIndex + 2] = (byte) ((c >> 8) & 0xff); // g |
| 154 | this.buffer[dataIndex + 3] = (byte) (c & 0xff); // b |
| 155 | dataIndex += 4; |
| 156 | } |
| 157 | } |
| 158 | } |