Method Huff1TableInit

client/src/main/java/jake2/client/SCR.java:1519–1559

Huff1TableInit Reads the 64k counts table and initializes the node trees.

()

     * 
     */
    private static void Huff1TableInit() {
        int[] node;
        byte[] counts = new byte[256];
        int numhnodes;
        
        cin.hnodes1 = new int[256 * 256 * 2];
        Arrays.fill(cin.hnodes1, 0);
        
        for (int prev = 0; prev < 256; prev++) {
            Arrays.fill(cin.h_count, 0);
            Arrays.fill(cin.h_used, 0);
            
            // read a row of counts
            ClientGlobals.cl.cinematic_file.get(counts);
            for (int j = 0; j < 256; j++)
                cin.h_count[j] = counts[j] & 0xFF;
            
            // build the nodes
            numhnodes = 256;
            int nodebase = 0 + prev * 256 * 2;
            int index = 0;
            node = cin.hnodes1;
            while (numhnodes != 511) {
                index = nodebase + (numhnodes - 256) * 2;
                
                // pick two lowest counts
                node[index] = SmallestNode1(numhnodes);
                if (node[index] == -1)
                    break; // no more
                
                node[index + 1] = SmallestNode1(numhnodes);
                if (node[index + 1] == -1)
                    break;
                
                cin.h_count[numhnodes] = cin.h_count[node[index]] + cin.h_count[node[index + 1]];
                numhnodes++;
            }
            
            cin.numhnodes1[prev] = numhnodes - 1;
        }
    }
    
    /**
     * Huff1Decompress