_Mappings.pde

   1 /**
   2  *     DOUBLE BLACK DIAMOND        DOUBLE BLACK DIAMOND
   3  *
   4  *         //\\   //\\                 //\\   //\\
   5  *        ///\\\ ///\\\               ///\\\ ///\\\
   6  *        \\\/// \\\///               \\\/// \\\///
   7  *         \\//   \\//                 \\//   \\//
   8  *
   9  *        EXPERTS ONLY!!              EXPERTS ONLY!!
  10  *
  11  * This file implements the mapping functions needed to lay out the physical
  12  * cubes and the output ports on the panda board. It should only be modified
  13  * when physical changes or tuning is being done to the structure.
  14  */
  15
  16 public Model buildModel() {
  17
  18
  19   // Shorthand helpers for specifying wiring more quickly
  20   final Cube.Wiring WFL = Cube.Wiring.FRONT_LEFT;
  21   final Cube.Wiring WFR = Cube.Wiring.FRONT_RIGHT;
  22   final Cube.Wiring WRL = Cube.Wiring.REAR_LEFT;
  23   final Cube.Wiring WRR = Cube.Wiring.REAR_RIGHT;
  24
  25   final float CH = Cube.EDGE_HEIGHT;
  26
  27   final float BBY = BassBox.EDGE_HEIGHT + BoothFloor.PLEXI_WIDTH;
  28   final float BBX = 56;
  29   final float BBZ = 2;
  30
  31
  32   // The model is represented as an array of towers. The cubes in the tower
  33   // are represenented relatively. Each tower has an x, y, z reference position,
  34   // which is typically the base cube's bottom left corner.
  35   //
  36   // Following that is an array of floats. A 2-d array contains an x-offset
  37   // and a z-offset from the previous reference position. Typically the first cube
  38   // will just be {0, 0}. Each successive cube uses the position of the previous
  39   // cube as its reference.
  40   //
  41   // A 3-d array contains an x-offset, a z-offset, and a rotation about the
  42   // y-axis.
  43   //
  44   // The cubes automatically increment their y-position by Cube.EDGE_HEIGHT.
  45   TowerMapping[] towerCubes = new TowerMapping[] {
  46
  47     // DJ booth, from left to right
  48     new TowerMapping(BBX, BBY, BBZ, new CubeMapping[] {
  49       new CubeMapping(-7.25, 7.5, -25, WFR),
  50       new CubeMapping(7.5, -15.75, 12, WRL),
  51     }),
  52     new TowerMapping(BBX, BBY, BBZ, new CubeMapping[] {
  53       new CubeMapping(19.625, 5.375, -22, WFR),
  54       new CubeMapping(8, -14.5, 10, WRR),
  55     }),
  56     new TowerMapping(BBX, BBY, BBZ, new CubeMapping[] {
  57       new CubeMapping(48, 4.75, -35, WRL),
  58       new CubeMapping(8, -15, 10, WRR),
  59     }),
  60     new TowerMapping(BBX, BBY, BBZ, new CubeMapping[] {
  61       new CubeMapping(78.75, 3.75, -28, WRR),
  62       new CubeMapping(8, -15, 10, WRR),
  63     }),
  64     new TowerMapping(BBX, BBY, BBZ, new CubeMapping[] {
  65       new CubeMapping(104.75, 0, -27, WRL),
  66       new CubeMapping(8, -15, 10, WFL),
  67     }),
  68
  69   };
  70
  71   // Single cubes can be constructed directly here if you need them
  72   Cube[] singleCubes = new Cube[] {
  73     // new Cube(x, y, z, rx, ry, rz, wiring),
  74   };
  75
  76   // The bass box!
  77   BassBox bassBox = new BassBox(BBX, 0, BBZ);
  78
  79   // The speakers!
  80   List<Speaker> speakers = Arrays.asList(new Speaker[] {
  81     new Speaker(-12, 6, 0, 15),
  82     new Speaker(TRAILER_WIDTH - Speaker.EDGE_WIDTH + 8, 6, 3, -15)
  83   });
  84
  85   // These guts just convert the shorthand mappings into usable objects
  86   ArrayList<Tower> towerList = new ArrayList<Tower>();
  87   ArrayList<Cube> tower;
  88   Cube[] cubes = new Cube[80];
  89   int cubeIndex = 1;
  90   float px, pz, ny;
  91   for (TowerMapping tm : towerCubes) {
  92     px = tm.x;
  93     ny = tm.y;
  94     pz = tm.z;
  95     tower = new ArrayList<Cube>();
  96     for (CubeMapping cm : tm.cubeMappings) {
  97       tower.add(cubes[cubeIndex++] = new Cube(px = px + cm.dx, ny, pz = pz + cm.dz, 0, cm.ry, 0, cm.wiring));
  98       ny += Cube.EDGE_HEIGHT;
  99     }
 100     towerList.add(new Tower(tower));
 101   }
 102   for (Cube cube : singleCubes) {
 103     cubes[cubeIndex++] = cube;
 104   }
 105
 106   return new Model(towerList, cubes, bassBox, speakers);
 107 }
 108
 109 public PandaMapping[] buildPandaList() {
 110   return new PandaMapping[] {
 111     new PandaMapping(
 112       "10.200.1.29", new ChannelMapping[] {
 113         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 114         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 115         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 116         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 117         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 118         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 119         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 120         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 121         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 122         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 123         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 124         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 125         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 126         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 127         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 128         new ChannelMapping(ChannelMapping.MODE_CUBES, new int[] { 5, 6, 4, 3 }),
 129     }),
 130
 131     new PandaMapping(
 132       "10.200.1.28", new ChannelMapping[] {
 133         new ChannelMapping(ChannelMapping.MODE_BASS),
 134         new ChannelMapping(ChannelMapping.MODE_FLOOR),
 135         new ChannelMapping(ChannelMapping.MODE_SPEAKER, 0),
 136         new ChannelMapping(ChannelMapping.MODE_SPEAKER, 1),
 137     }),
 138   };
 139 }
 140
 141 class TowerMapping {
 142   public final float x, y, z;
 143   public final CubeMapping[] cubeMappings;
 144
 145   TowerMapping(float x, float y, float z, CubeMapping[] cubeMappings) {
 146     this.x = x;
 147     this.y = y;
 148     this.z = z;
 149     this.cubeMappings = cubeMappings;
 150   }
 151 }
 152
 153 class CubeMapping {
 154   public final float dx, dz, ry;
 155   public final Cube.Wiring wiring;
 156
 157   CubeMapping(float dx, float dz, Cube.Wiring wiring) {
 158     this(dx, dz, 0, wiring);
 159   }
 160
 161   CubeMapping(float dx, float dz, float ry) {
 162     this(dz, dz, ry, Cube.Wiring.FRONT_LEFT);
 163   }
 164
 165   CubeMapping(float dx, float dz, float ry, Cube.Wiring wiring) {
 166     this.dx = dx;
 167     this.dz = dz;
 168     this.ry = ry;
 169     this.wiring = wiring;
 170   }
 171 }
 172
 173 /**
 174  * Each panda board has an IP address and a fixed number of channels. The channels
 175  * each have a fixed number of pixels on them. Whether or not that many physical
 176  * pixels are connected to the channel, we still send it that much data.
 177  */
 178 class PandaMapping {
 179
 180   // How many channels are on the panda board
 181   public final static int CHANNELS_PER_BOARD = 16;
 182
 183   // How many total pixels on the whole board
 184   public final static int PIXELS_PER_BOARD = ChannelMapping.PIXELS_PER_CHANNEL * CHANNELS_PER_BOARD;
 185
 186   final String ip;
 187   final ChannelMapping[] channelList = new ChannelMapping[CHANNELS_PER_BOARD];
 188
 189   PandaMapping(String ip, ChannelMapping[] rawChannelList) {
 190     this.ip = ip;
 191
 192     // Ensure our array is the right length and has all valid items in it
 193     for (int i = 0; i < channelList.length; ++i) {
 194       channelList[i] = (i < rawChannelList.length) ? rawChannelList[i] : new ChannelMapping();
 195       if (channelList[i] == null) {
 196         channelList[i] = new ChannelMapping();
 197       }
 198     }
 199   }
 200 }
 201
 202 /**
 203  * Each channel on a pandaboard can be mapped in a number of modes. The typial is
 204  * to a series of connected cubes, but we also have special mappings for the bass box,
 205  * the speaker enclosures, and the DJ booth floor.
 206  *
 207  * This class is just the mapping meta-data. It sanitizes the input to make sure
 208  * that the cubes and objects being referenced actually exist in the model.
 209  *
 210  * The logic for how to encode the pixels is contained in the PandaDriver.
 211  */
 212 class ChannelMapping {
 213
 214   // How many cubes per channel xc_PB is configured for
 215   public final static int CUBES_PER_CHANNEL = 4;
 216
 217   // How many total pixels on each channel
 218   public final static int PIXELS_PER_CHANNEL = Cube.POINTS_PER_CUBE * CUBES_PER_CHANNEL;
 219
 220   public static final int MODE_NULL = 0;
 221   public static final int MODE_CUBES = 1;
 222   public static final int MODE_BASS = 2;
 223   public static final int MODE_SPEAKER = 3;
 224   public static final int MODE_FLOOR = 4;
 225   public static final int MODE_INVALID = 5;
 226
 227   public static final int NO_OBJECT = -1;
 228
 229   final int mode;
 230   final int[] objectIndices = new int[CUBES_PER_CHANNEL];
 231
 232   ChannelMapping() {
 233     this(MODE_NULL);
 234   }
 235
 236   ChannelMapping(int mode) {
 237     this(mode, new int[]{});
 238   }
 239
 240   ChannelMapping(int mode, int rawObjectIndex) {
 241     this(mode, new int[]{ rawObjectIndex });
 242   }
 243
 244   ChannelMapping(int mode, int[] rawObjectIndices) {
 245     if (mode < 0 || mode >= MODE_INVALID) {
 246       throw new RuntimeException("Invalid channel mapping mode: " + mode);
 247     }
 248     if (mode == MODE_SPEAKER) {
 249       if (rawObjectIndices.length != 1) {
 250         throw new RuntimeException("Speaker channel mapping mode must specify one speaker index");
 251       }
 252       int speakerIndex = rawObjectIndices[0];
 253       if (speakerIndex < 0 || speakerIndex >= glucose.model.speakers.size()) {
 254         throw new RuntimeException("Invalid speaker channel mapping: " + speakerIndex);
 255       }
 256     } else if ((mode == MODE_FLOOR) || (mode == MODE_BASS) || (mode == MODE_NULL)) {
 257       if (rawObjectIndices.length > 0) {
 258         throw new RuntimeException("Bass/floor/null mappings cannot specify object indices");
 259       }
 260     } else if (mode == MODE_CUBES) {
 261       for (int rawCubeIndex : rawObjectIndices) {
 262         if (glucose.model.getCubeByRawIndex(rawCubeIndex) == null) {
 263           throw new RuntimeException("Non-existing cube specified in cube mapping: " + rawCubeIndex);
 264         }
 265       }
 266     }
 267
 268     this.mode = mode;
 269     for (int i = 0; i < objectIndices.length; ++i) {
 270       objectIndices[i] = (i < rawObjectIndices.length) ? rawObjectIndices[i] : NO_OBJECT;
 271     }
 272   }
 273 }
 274