three
Version:
JavaScript 3D library
1,171 lines (1,159 loc) • 131 kB
JavaScript
/*global ArrayBuffer, Uint32Array, Int32Array, Float32Array, Int8Array, Uint8Array, window, performance, Console*/
/*
Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
var o3dgc = (function () {
"use strict";
var module, local;
module = {};
local = {};
local.O3DGC_BINARY_STREAM_BITS_PER_SYMBOL0 = 7;
local.O3DGC_BINARY_STREAM_MAX_SYMBOL0 = 127; // ((1 << O3DGC_BINARY_STREAM_BITS_PER_SYMBOL0) >>> 0) - 1;
local.O3DGC_BINARY_STREAM_BITS_PER_SYMBOL1 = 6;
local.O3DGC_BINARY_STREAM_MAX_SYMBOL1 = 63; // ((1 << O3DGC_BINARY_STREAM_BITS_PER_SYMBOL1) >>> 0) - 1;
local.O3DGC_BINARY_STREAM_NUM_SYMBOLS_UINT32 = 5; // Math.floor((32 + O3DGC_BINARY_STREAM_BITS_PER_SYMBOL0 - 1) / O3DGC_BINARY_STREAM_BITS_PER_SYMBOL0);
local.O3DGC_BIG_ENDIAN = 0;
local.O3DGC_LITTLE_ENDIAN = 1;
local.O3DGC_MAX_DOUBLE = 1.79769e+308;
local.O3DGC_MIN_LONG = -2147483647;
local.O3DGC_MAX_LONG = 2147483647;
local.O3DGC_MAX_UCHAR8 = 255;
local.O3DGC_MAX_TFAN_SIZE = 256;
local.O3DGC_MAX_ULONG = 4294967295;
local.O3DGC_SC3DMC_START_CODE = 0x00001F1;
local.O3DGC_DV_START_CODE = 0x00001F2;
local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES = 256;
local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES = 256;
local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES = 32;
local.O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS = 2;
local.O3DGC_SC3DMC_BINARIZATION_FL = 0; // Fixed Length (not supported)
local.O3DGC_SC3DMC_BINARIZATION_BP = 1; // BPC (not supported)
local.O3DGC_SC3DMC_BINARIZATION_FC = 2; // 4 bits Coding (not supported)
local.O3DGC_SC3DMC_BINARIZATION_AC = 3; // Arithmetic Coding (not supported)
local.O3DGC_SC3DMC_BINARIZATION_AC_EGC = 4; // Arithmetic Coding & EGCk
local.O3DGC_SC3DMC_BINARIZATION_ASCII = 5; // Arithmetic Coding & EGCk
local.O3DGC_STREAM_TYPE_UNKOWN = 0;
local.O3DGC_STREAM_TYPE_ASCII = 1;
local.O3DGC_STREAM_TYPE_BINARY = 2;
local.O3DGC_SC3DMC_NO_PREDICTION = 0; // supported
local.O3DGC_SC3DMC_DIFFERENTIAL_PREDICTION = 1; // supported
local.O3DGC_SC3DMC_XOR_PREDICTION = 2; // not supported
local.O3DGC_SC3DMC_ADAPTIVE_DIFFERENTIAL_PREDICTION = 3; // not supported
local.O3DGC_SC3DMC_CIRCULAR_DIFFERENTIAL_PREDICTION = 4; // not supported
local.O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION = 5; // supported
local.O3DGC_SC3DMC_SURF_NORMALS_PREDICTION = 6; // supported
local.O3DGC_SC3DMC_ENCODE_MODE_QBCR = 0; // not supported
local.O3DGC_SC3DMC_ENCODE_MODE_SVA = 1; // not supported
local.O3DGC_SC3DMC_ENCODE_MODE_TFAN = 2; // supported
local.O3DGC_DYNAMIC_VECTOR_ENCODE_MODE_LIFT = 0;
local.O3DGC_MIN_NEIGHBORS_SIZE = 128;
local.O3DGC_MIN_NUM_NEIGHBORS_SIZE = 16;
local.O3DGC_TFANS_MIN_SIZE_ALLOCATED_VERTICES_BUFFER = 128;
local.O3DGC_TFANS_MIN_SIZE_TFAN_SIZE_BUFFER = 8;
local.O3DGC_DEFAULT_VECTOR_SIZE = 32;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_UNKOWN = 0;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_POSITION = 1;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_NORMAL = 2;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_COLOR = 3;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_TEXCOORD = 4;
module.O3DGC_IFS_FLOAT_ATTRIBUTE_TYPE_WEIGHT = 5;
module.O3DGC_IFS_INT_ATTRIBUTE_TYPE_UNKOWN = 0;
module.O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX = 1;
module.O3DGC_IFS_INT_ATTRIBUTE_TYPE_JOINT_ID = 2;
module.O3DGC_IFS_INT_ATTRIBUTE_TYPE_INDEX_BUFFER_ID = 3;
module.O3DGC_OK = 0;
module.O3DGC_ERROR_BUFFER_FULL = 1;
module.O3DGC_ERROR_CORRUPTED_STREAM = 5;
module.O3DGC_ERROR_NON_SUPPORTED_FEATURE = 6;
module.O3DGC_ERROR_AC = 7;
function SystemEndianness() {
var a, b, c;
b = new ArrayBuffer(4);
a = new Uint32Array(b);
c = new Uint8Array(b);
a[0] = 1;
if (c[0] === 1) {
return local.O3DGC_LITTLE_ENDIAN;
}
return local.O3DGC_BIG_ENDIAN;
}
// SC3DMCStats class
module.SC3DMCStats = function () {
this.m_timeCoord = 0;
this.m_timeNormal = 0;
this.m_timeCoordIndex = 0;
this.m_timeFloatAttribute = new Float32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_timeIntAttribute = new Float32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
this.m_timeReorder = 0;
this.m_streamSizeCoord = 0;
this.m_streamSizeNormal = 0;
this.m_streamSizeCoordIndex = 0;
this.m_streamSizeFloatAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_streamSizeIntAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
};
// SC3DMCTriplet class
module.SC3DMCTriplet = function (a, b, c) {
this.m_a = a;
this.m_b = b;
this.m_c = c;
};
module.SC3DMCTriplet.prototype.Less = function (rhs) {
var res;
if (this.m_c !== rhs.m_c) {
res = (this.m_c < rhs.m_c);
} else if (this.m_b !== rhs.m_b) {
res = (this.m_b < rhs.m_b);
} else {
res = (this.m_a < rhs.m_a);
}
return res;
};
module.SC3DMCTriplet.prototype.Equal = function (rhs) {
return (this.m_c === rhs.m_c && this.m_b === rhs.m_b && this.m_a === rhs.m_a);
};
// SC3DMCPredictor class
module.SC3DMCPredictor = function () {
this.m_id = new module.SC3DMCTriplet(-1, -1, -1);
this.m_pred = new Float32Array(local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES);
};
// fix me: optimize this function (e.g., binary search)
function InsertPredictor(e, nPred, list, dimFloatArray) {
var pos, foundOrInserted, j, j1, j0, h, i;
pos = -1;
foundOrInserted = false;
j1 = nPred.m_value;
j0 = 0;
for (j = j0; j < j1; ++j) {
if (e.Equal(list[j].m_id)) {
foundOrInserted = true;
break;
} else if (e.Less(list[j].m_id)) {
if (nPred.m_value < local.O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS) {
++nPred.m_value;
}
for (h = nPred.m_value - 1; h > j; --h) {
list[h].m_id.m_a = list[h - 1].m_id.m_a;
list[h].m_id.m_b = list[h - 1].m_id.m_b;
list[h].m_id.m_c = list[h - 1].m_id.m_c;
for (i = 0; i < dimFloatArray; ++i) {
list[h].m_pred[i] = list[h - 1].m_pred[i];
}
}
list[j].m_id.m_a = e.m_a;
list[j].m_id.m_b = e.m_b;
list[j].m_id.m_c = e.m_c;
pos = j;
foundOrInserted = true;
break;
}
}
if (!foundOrInserted && nPred.m_value < local.O3DGC_SC3DMC_MAX_PREDICTION_NEIGHBORS) {
pos = nPred.m_value++;
list[pos].m_id.m_a = e.m_a;
list[pos].m_id.m_b = e.m_b;
list[pos].m_id.m_c = e.m_c;
}
return pos;
}
// Timer class
if (typeof window.performance === 'undefined') {
window.performance = {};
}
if (!window.performance.now) {
local.nowOffset = Date.now();
if (performance.timing && performance.timing.navigationStart) {
local.nowOffset = performance.timing.navigationStart;
}
window.performance.now = function now() {
return Date.now() - local.nowOffset;
};
}
module.Timer = function () {
this.m_start = 0;
this.m_end = 0;
};
module.Timer.prototype.Tic = function () {
this.m_start = window.performance.now();
};
module.Timer.prototype.Toc = function () {
this.m_end = window.performance.now();
};
module.Timer.prototype.GetElapsedTime = function () {
return this.m_end - this.m_start;
};
// Vec3 class
module.Vec3 = function (x, y, z) {
this.m_x = x;
this.m_y = y;
this.m_z = z;
};
module.Vec3.prototype.Set = function (x, y, z) {
this.m_x = x;
this.m_y = y;
this.m_z = z;
};
module.Vec3.prototype.Sub = function (lhs, rhs) {
this.m_x = lhs.m_x - rhs.m_x;
this.m_y = lhs.m_y - rhs.m_y;
this.m_z = lhs.m_z - rhs.m_z;
};
module.Vec3.prototype.Add = function (lhs, rhs) {
this.m_x = lhs.m_x + rhs.m_x;
this.m_y = lhs.m_y + rhs.m_y;
this.m_z = lhs.m_z + rhs.m_z;
};
module.Vec3.prototype.SelfAdd = function (v) {
this.m_x += v.m_x;
this.m_y += v.m_y;
this.m_z += v.m_z;
};
module.Vec3.prototype.Cross = function (lhs, rhs) {
this.m_x = lhs.m_y * rhs.m_z - lhs.m_z * rhs.m_y;
this.m_y = lhs.m_z * rhs.m_x - lhs.m_x * rhs.m_z;
this.m_z = lhs.m_x * rhs.m_y - lhs.m_y * rhs.m_x;
};
module.Vec3.prototype.GetNorm = function () {
return Math.sqrt(this.m_x * this.m_x + this.m_y * this.m_y + this.m_z * this.m_z);
};
function SphereToCube(vin, vout) {
var ax, ay, az;
ax = Math.abs(vin.m_x);
ay = Math.abs(vin.m_y);
az = Math.abs(vin.m_z);
if (az >= ax && az >= ay) {
if (vin.m_z >= 0) {
vout.m_z = 0;
vout.m_x = vin.m_x;
vout.m_y = vin.m_y;
} else {
vout.m_z = 1;
vout.m_x = -vin.m_x;
vout.m_y = -vin.m_y;
}
} else if (ay >= ax && ay >= az) {
if (vin.m_y >= 0) {
vout.m_z = 2;
vout.m_x = vin.m_z;
vout.m_y = vin.m_x;
} else {
vout.m_z = 3;
vout.m_x = -vin.m_z;
vout.m_y = -vin.m_x;
}
} else {
if (vin.m_x >= 0) {
vout.m_z = 4;
vout.m_x = vin.m_y;
vout.m_y = vin.m_z;
} else {
vout.m_z = 5;
vout.m_x = -vin.m_y;
vout.m_y = -vin.m_z;
}
}
}
local.CubeToSphere = {
0: function (vin, vout) {
vout.m_x = vin.m_x;
vout.m_y = vin.m_y;
vout.m_z = Math.sqrt(Math.max(0.0, 1.0 - vout.m_x * vout.m_x - vout.m_y * vout.m_y));
},
1: function (vin, vout) {
vout.m_x = -vin.m_x;
vout.m_y = -vin.m_y;
vout.m_z = -Math.sqrt(Math.max(0.0, 1.0 - vout.m_x * vout.m_x - vout.m_y * vout.m_y));
},
2: function (vin, vout) {
vout.m_z = vin.m_x;
vout.m_x = vin.m_y;
vout.m_y = Math.sqrt(Math.max(0.0, 1.0 - vout.m_x * vout.m_x - vout.m_z * vout.m_z));
},
3: function (vin, vout) {
vout.m_z = -vin.m_x;
vout.m_x = -vin.m_y;
vout.m_y = -Math.sqrt(Math.max(0.0, 1.0 - vout.m_x * vout.m_x - vout.m_z * vout.m_z));
},
4: function (vin, vout) {
vout.m_y = vin.m_x;
vout.m_z = vin.m_y;
vout.m_x = Math.sqrt(Math.max(0.0, 1.0 - vout.m_y * vout.m_y - vout.m_z * vout.m_z));
},
5: function (vin, vout) {
vout.m_y = -vin.m_x;
vout.m_z = -vin.m_y;
vout.m_x = -Math.sqrt(Math.max(0.0, 1.0 - vout.m_y * vout.m_y - vout.m_z * vout.m_z));
}
};
function IntToUInt(value) {
return (value < 0) ? (-1 - (2 * value)) : (2 * value);
}
function UIntToInt(uiValue) {
return (uiValue & 1) ? -((uiValue + 1) >>> 1) : ((uiValue >>> 1));
}
module.Iterator = function () {
this.m_count = 0;
};
module.NumberRef = function () {
this.m_value = 0;
};
// BinaryStream class
module.BinaryStream = function (buffer) {
this.m_endianness = SystemEndianness();
this.m_buffer = buffer;
this.m_stream = new Uint8Array(this.m_buffer);
this.m_localBuffer = new ArrayBuffer(4);
this.m_localBufferViewUChar8 = new Uint8Array(this.m_localBuffer);
this.m_localBufferViewFloat32 = new Float32Array(this.m_localBuffer);
this.m_localBufferViewUInt32 = new Uint32Array(this.m_localBuffer);
};
module.BinaryStream.prototype.ReadFloat32Bin = function (bsIterator) {
if (this.m_endianness === local.O3DGC_BIG_ENDIAN) {
this.m_localBufferViewUChar8[3] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[2] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[1] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[0] = this.m_stream[bsIterator.m_count++];
} else {
this.m_localBufferViewUChar8[0] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[1] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[2] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[3] = this.m_stream[bsIterator.m_count++];
}
return this.m_localBufferViewFloat32[0];
};
module.BinaryStream.prototype.ReadUInt32Bin = function (bsIterator) {
if (this.m_endianness === local.O3DGC_BIG_ENDIAN) {
this.m_localBufferViewUChar8[3] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[2] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[1] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[0] = this.m_stream[bsIterator.m_count++];
} else {
this.m_localBufferViewUChar8[0] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[1] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[2] = this.m_stream[bsIterator.m_count++];
this.m_localBufferViewUChar8[3] = this.m_stream[bsIterator.m_count++];
}
return this.m_localBufferViewUInt32[0];
};
module.BinaryStream.prototype.ReadUChar8Bin = function (bsIterator) {
return this.m_stream[bsIterator.m_count++];
};
module.BinaryStream.prototype.ReadUInt32ASCII = function (bsIterator) {
var value, shift, i;
value = 0;
shift = 0;
for (i = 0; i < local.O3DGC_BINARY_STREAM_NUM_SYMBOLS_UINT32; ++i) {
value += (this.m_stream[bsIterator.m_count++] << shift) >>> 0;
shift += local.O3DGC_BINARY_STREAM_BITS_PER_SYMBOL0;
}
return value;
};
module.BinaryStream.prototype.ReadFloat32ASCII = function (bsIterator) {
var value = this.ReadUInt32ASCII(bsIterator);
if (this.m_endianness === local.O3DGC_BIG_ENDIAN) {
this.m_localBufferViewUChar8[3] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[2] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[1] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[0] = value & local.O3DGC_MAX_UCHAR8;
} else {
this.m_localBufferViewUChar8[0] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[1] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[2] = value & local.O3DGC_MAX_UCHAR8;
value >>>= 8;
this.m_localBufferViewUChar8[3] = value & local.O3DGC_MAX_UCHAR8;
}
return this.m_localBufferViewFloat32[0];
};
module.BinaryStream.prototype.ReadIntASCII = function (bsIterator) {
return UIntToInt(this.ReadUIntASCII(bsIterator));
};
module.BinaryStream.prototype.ReadUIntASCII = function (bsIterator) {
var i, x, value;
value = this.m_stream[bsIterator.m_count++];
if (value === local.O3DGC_BINARY_STREAM_MAX_SYMBOL0) {
i = 0;
do {
x = this.m_stream[bsIterator.m_count++];
value += ((x >>> 1) << i) >>> 0;
i += local.O3DGC_BINARY_STREAM_BITS_PER_SYMBOL1;
} while (x & 1);
}
return value;
};
module.BinaryStream.prototype.ReadUCharASCII = function (bsIterator) {
return this.m_stream[bsIterator.m_count++];
};
module.BinaryStream.prototype.ReadFloat32 = function (bsIterator, streamType) {
if (streamType === local.O3DGC_STREAM_TYPE_ASCII) {
return this.ReadFloat32ASCII(bsIterator);
}
return this.ReadFloat32Bin(bsIterator);
};
module.BinaryStream.prototype.ReadUInt32 = function (bsIterator, streamType) {
if (streamType === local.O3DGC_STREAM_TYPE_ASCII) {
return this.ReadUInt32ASCII(bsIterator);
}
return this.ReadUInt32Bin(bsIterator);
};
module.BinaryStream.prototype.ReadUChar = function (bsIterator, streamType) {
if (streamType === local.O3DGC_STREAM_TYPE_ASCII) {
return this.ReadUCharASCII(bsIterator);
}
return this.ReadUChar8Bin(bsIterator);
};
module.BinaryStream.prototype.GetBuffer = function (bsIterator, size) {
return new Uint8Array(this.m_buffer, bsIterator.m_count, size);
};
// Copyright (c) 2004 Amir Said (said@ieee.org) & William A. Pearlman (pearlw@ecse.rpi.edu)
// All rights reserved.
local.O3DGC_AC_MIN_LENGTH = 0x01000000; // threshold for renormalization
local.O3DGC_AC_MAX_LENGTH = 0xFFFFFFFF; // maximum AC interval length
local.O3DGC_AC_BM_LENGTH_SHIFT = 13; // Maximum values for binary models length bits discarded before mult.
local.O3DGC_AC_BM_MAX_COUNT = (1 << local.O3DGC_AC_BM_LENGTH_SHIFT) >>> 0; // for adaptive models
local.O3DGC_AC_DM_LENGTH_SHIFT = 15; // Maximum values for general models length bits discarded before mult.
local.O3DGC_AC_DM_MAX_COUNT = (1 << local.O3DGC_AC_DM_LENGTH_SHIFT) >>> 0; // for adaptive models
// StaticBitModel class
module.StaticBitModel = function () {
this.m_bit0Prob = (1 << (local.O3DGC_AC_BM_LENGTH_SHIFT - 1)) >>> 0; // p0 = 0.5
};
module.StaticBitModel.prototype.SetProbability = function (p) {
this.m_bit0Prob = Math.floor(p * ((1 << local.O3DGC_AC_BM_LENGTH_SHIFT) >>> 0));
};
// AdaptiveBitModel class
module.AdaptiveBitModel = function () {
// initialization to equiprobable model
this.m_updateCycle = 4;
this.m_bitsUntilUpdate = 4;
this.m_bit0Prob = (1 << (local.O3DGC_AC_BM_LENGTH_SHIFT - 1)) >>> 0;
this.m_bit0Count = 1;
this.m_bitCount = 2;
};
module.AdaptiveBitModel.prototype.Reset = function () {
this.m_updateCycle = 4;
this.m_bitsUntilUpdate = 4;
this.m_bit0Prob = (1 << (local.O3DGC_AC_BM_LENGTH_SHIFT - 1)) >>> 0;
this.m_bit0Count = 1;
this.m_bitCount = 2;
};
module.AdaptiveBitModel.prototype.Update = function () {
// halve counts when a threshold is reached
if ((this.m_bitCount += this.m_updateCycle) > local.O3DGC_AC_BM_MAX_COUNT) {
this.m_bitCount = (this.m_bitCount + 1) >>> 1;
this.m_bit0Count = (this.m_bit0Count + 1) >>> 1;
if (this.m_bit0Count === this.m_bitCount) {
++this.m_bitCount;
}
}
// compute scaled bit 0 probability
var scale = Math.floor(0x80000000 / this.m_bitCount);
this.m_bit0Prob = (this.m_bit0Count * scale) >>> (31 - local.O3DGC_AC_BM_LENGTH_SHIFT);
// set frequency of model updates
this.m_updateCycle = (5 * this.m_updateCycle) >>> 2;
if (this.m_updateCycle > 64) {
this.m_updateCycle = 64;
}
this.m_bitsUntilUpdate = this.m_updateCycle;
};
// AdaptiveDataModel class
module.AdaptiveDataModel = function () {
this.m_buffer = {};
this.m_distribution = {};
this.m_symbolCount = {};
this.m_decoderTable = {};
this.m_totalCount = 0;
this.m_updateCycle = 0;
this.m_symbolsUntilUpdate = 0;
this.m_dataSymbols = 0;
this.m_lastSymbol = 0;
this.m_tableSize = 0;
this.m_tableShift = 0;
};
module.AdaptiveDataModel.prototype.Update = function () {
var n, sum, s, scale, k, max_cycle, w;
// halve counts when a threshold is reached
if ((this.m_totalCount += this.m_updateCycle) > local.O3DGC_AC_DM_MAX_COUNT) {
this.m_totalCount = 0;
for (n = 0; n < this.m_dataSymbols; ++n) {
this.m_totalCount += (this.m_symbolCount[n] = (this.m_symbolCount[n] + 1) >>> 1);
}
}
// compute cumulative distribution, decoder table
sum = 0;
s = 0;
scale = Math.floor(0x80000000 / this.m_totalCount);
if (this.m_tableSize === 0) {
for (k = 0; k < this.m_dataSymbols; ++k) {
this.m_distribution[k] = (scale * sum) >>> (31 - local.O3DGC_AC_DM_LENGTH_SHIFT);
sum += this.m_symbolCount[k];
}
} else {
for (k = 0; k < this.m_dataSymbols; ++k) {
this.m_distribution[k] = (scale * sum) >>> (31 - local.O3DGC_AC_DM_LENGTH_SHIFT);
sum += this.m_symbolCount[k];
w = this.m_distribution[k] >>> this.m_tableShift;
while (s < w) {
this.m_decoderTable[++s] = k - 1;
}
}
this.m_decoderTable[0] = 0;
while (s <= this.m_tableSize) {
this.m_decoderTable[++s] = this.m_dataSymbols - 1;
}
}
// set frequency of model updates
this.m_updateCycle = (5 * this.m_updateCycle) >>> 2;
max_cycle = ((this.m_dataSymbols + 6) << 3) >>> 0;
if (this.m_updateCycle > max_cycle) {
this.m_updateCycle = max_cycle;
}
this.m_symbolsUntilUpdate = this.m_updateCycle;
};
module.AdaptiveDataModel.prototype.Reset = function () {
var k;
if (this.m_dataSymbols === 0) {
return;
}
// restore probability estimates to uniform distribution
this.m_totalCount = 0;
this.m_updateCycle = this.m_dataSymbols;
for (k = 0; k < this.m_dataSymbols; ++k) {
this.m_symbolCount[k] = 1;
}
this.Update();
this.m_symbolsUntilUpdate = this.m_updateCycle = (this.m_dataSymbols + 6) >>> 1;
};
module.AdaptiveDataModel.prototype.SetAlphabet = function (number_of_symbols) {
if ((number_of_symbols < 2) || (number_of_symbols > (1 << 11))) {
Console.log("invalid number of data symbols");
return module.O3DGC_ERROR_AC;
}
if (this.m_dataSymbols !== number_of_symbols) { // assign memory for data model
this.m_dataSymbols = number_of_symbols;
this.m_lastSymbol = this.m_dataSymbols - 1;
// define size of table for fast decoding
if (this.m_dataSymbols > 16) {
var table_bits = 3;
while (this.m_dataSymbols > ((1 << (table_bits + 2)) >>> 0)) {
++table_bits;
}
this.m_tableSize = (1 << table_bits) >>> 0;
this.m_tableShift = local.O3DGC_AC_DM_LENGTH_SHIFT - table_bits;
this.m_buffer = new ArrayBuffer(4 * (2 * this.m_dataSymbols + this.m_tableSize + 2));
this.m_distribution = new Uint32Array(this.m_buffer, 0, this.m_dataSymbols);
this.m_symbolCount = new Uint32Array(this.m_buffer, 4 * this.m_dataSymbols, this.m_dataSymbols);
this.m_decoderTable = new Uint32Array(this.m_buffer, 8 * this.m_dataSymbols, this.m_tableSize + 2);
} else {// small alphabet: no table needed
this.m_tableSize = this.m_tableShift = 0;
this.m_buffer = new ArrayBuffer(4 * 2 * this.m_dataSymbols);
this.m_distribution = new Uint32Array(this.m_buffer, 0, this.m_dataSymbols);
this.m_symbolCount = new Uint32Array(this.m_buffer, 4 * this.m_dataSymbols, this.m_dataSymbols);
this.m_decoderTable = {};
}
}
this.Reset(); // initialize model
return module.O3DGC_OK;
};
// ArithmeticDecoder class
module.ArithmeticDecoder = function () {
this.m_codeBuffer = {};
this.m_acShift = 0;
this.m_base = 0;
this.m_value = 0;
this.m_length = 0; // arithmetic coding state
this.m_bufferSize = 0;
this.m_mode = 0; // mode: 0 = undef, 1 = encoder, 2 = decoder
};
module.ArithmeticDecoder.prototype.SetBuffer = function (max_code_bytes, user_buffer) {
if (max_code_bytes === 0) {
Console.log("invalid codec buffer size");
return module.O3DGC_ERROR_AC;
}
if (this.m_mode !== 0) {
Console.log("cannot set buffer while encoding or decoding");
return module.O3DGC_ERROR_AC;
}
this.m_bufferSize = max_code_bytes;
this.m_codeBuffer = user_buffer;
};
module.ArithmeticDecoder.prototype.StartDecoder = function () {
if (this.m_mode !== 0) {
Console.log("cannot start decoder");
return module.O3DGC_ERROR_AC;
}
if (this.m_bufferSize === 0) {
Console.log("no code buffer set");
return module.O3DGC_ERROR_AC;
}
// initialize decoder: interval, pointer, initial code value
this.m_mode = 2;
this.m_length = local.O3DGC_AC_MAX_LENGTH;
this.m_acShift = 3;
this.m_value = ((this.m_codeBuffer[0] << 24) | (this.m_codeBuffer[1] << 16) | (this.m_codeBuffer[2] << 8) | (this.m_codeBuffer[3])) >>> 0;
};
module.ArithmeticDecoder.prototype.StopDecoder = function () {
if (this.m_mode !== 2) {
Console.log("invalid to stop decoder");
return module.O3DGC_ERROR_AC;
}
this.m_mode = 0;
};
module.ArithmeticDecoder.prototype.GetBit = function () {
this.m_length >>>= 1; // halve interval
var bit = (this.m_value >= this.m_length); // decode bit
if (bit) {
this.m_value -= this.m_length; // move base
}
if (this.m_length < local.O3DGC_AC_MIN_LENGTH) {
this.RenormDecInterval(); // renormalization
}
return bit;
};
module.ArithmeticDecoder.prototype.GetBits = function (bits) {
var s = Math.floor(this.m_value / (this.m_length >>>= bits)); // decode symbol, change length
this.m_value -= this.m_length * s; // update interval
if (this.m_length < local.O3DGC_AC_MIN_LENGTH) {
this.RenormDecInterval(); // renormalization
}
return s;
};
module.ArithmeticDecoder.prototype.DecodeStaticBitModel = function (M) {
var x, bit;
x = M.m_bit0Prob * (this.m_length >>> local.O3DGC_AC_BM_LENGTH_SHIFT); // product l x p0
bit = (this.m_value >= x); // decision
// update & shift interval
if (!bit) {
this.m_length = x;
} else {
this.m_value -= x; // shifted interval base = 0
this.m_length -= x;
}
if (this.m_length < local.O3DGC_AC_MIN_LENGTH) {
this.RenormDecInterval(); // renormalization
}
return bit; // return data bit value
};
module.ArithmeticDecoder.prototype.DecodeAdaptiveBitModel = function (M) {
var x, bit;
x = M.m_bit0Prob * (this.m_length >>> local.O3DGC_AC_BM_LENGTH_SHIFT); // product l x p0
bit = (this.m_value >= x); // decision
// update interval
if (!bit) {
this.m_length = x;
++M.m_bit0Count;
} else {
this.m_value -= x;
this.m_length -= x;
}
if (this.m_length < local.O3DGC_AC_MIN_LENGTH) {
this.RenormDecInterval(); // renormalization
}
if (--M.m_bitsUntilUpdate === 0) {
M.Update(); // periodic model update
}
return bit; // return data bit value
};
module.ArithmeticDecoder.prototype.DecodeAdaptiveDataModel = function (M) {
var n, s, x, y, t, dv, z, m;
y = this.m_length;
if (M.m_tableSize > 0) { // use table look-up for faster decoding
dv = Math.floor(this.m_value / (this.m_length >>>= local.O3DGC_AC_DM_LENGTH_SHIFT));
t = dv >>> M.m_tableShift;
s = M.m_decoderTable[t]; // initial decision based on table look-up
n = M.m_decoderTable[t + 1] + 1;
while (n > s + 1) { // finish with bisection search
m = (s + n) >>> 1;
if (M.m_distribution[m] > dv) {
n = m;
} else {
s = m;
}
}
// compute products
x = M.m_distribution[s] * this.m_length;
if (s !== M.m_lastSymbol) {
y = M.m_distribution[s + 1] * this.m_length;
}
} else { // decode using only multiplications
x = s = 0;
this.m_length >>>= local.O3DGC_AC_DM_LENGTH_SHIFT;
m = (n = M.m_dataSymbols) >>> 1;
// decode via bisection search
do {
z = this.m_length * M.m_distribution[m];
if (z > this.m_value) {
n = m;
y = z; // value is smaller
} else {
s = m;
x = z; // value is larger or equal
}
} while ((m = (s + n) >>> 1) !== s);
}
this.m_value -= x; // update interval
this.m_length = y - x;
if (this.m_length < local.O3DGC_AC_MIN_LENGTH) {
this.RenormDecInterval(); // renormalization
}
++M.m_symbolCount[s];
if (--M.m_symbolsUntilUpdate === 0) {
M.Update(false); // periodic model update
}
return s;
};
module.ArithmeticDecoder.prototype.ExpGolombDecode = function (k, bModel0, bModel1) {
var symbol, binary_symbol, l;
symbol = 0;
binary_symbol = 0;
do {
l = this.DecodeAdaptiveBitModel(bModel1);
if (l) {
symbol += (1 << k) >>> 0;
k++;
}
} while (l);
while (k--) { //next binary part
if (this.DecodeStaticBitModel(bModel0)) {
binary_symbol = (binary_symbol | (1 << k)) >>> 0;
}
}
return (symbol + binary_symbol);
};
module.ArithmeticDecoder.prototype.RenormDecInterval = function () {
do { // read least-significant byte
this.m_value = ((this.m_value << 8) | this.m_codeBuffer[++this.m_acShift]) >>> 0;
this.m_length = (this.m_length << 8) >>> 0;
} while (this.m_length < local.O3DGC_AC_MIN_LENGTH); // length multiplied by 256
};
module.ArithmeticDecoder.prototype.DecodeIntACEGC = function (mModelValues, bModel0, bModel1, exp_k, M) {
var uiValue = this.DecodeAdaptiveDataModel(mModelValues);
if (uiValue === M) {
uiValue += this.ExpGolombDecode(exp_k, bModel0, bModel1);
}
return UIntToInt(uiValue);
};
module.ArithmeticDecoder.prototype.DecodeUIntACEGC = function (mModelValues, bModel0, bModel1, exp_k, M) {
var uiValue = this.DecodeAdaptiveDataModel(mModelValues);
if (uiValue === M) {
uiValue += this.ExpGolombDecode(exp_k, bModel0, bModel1);
}
return uiValue;
};
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// FIFO class
module.FIFO = function () {
this.m_data = {};
this.m_allocated = 0;
this.m_size = 0;
this.m_start = 0;
this.m_end = 0;
};
module.FIFO.prototype.Clear = function () {
this.m_start = this.m_end = this.m_size = 0;
};
module.FIFO.prototype.GetAllocatedSize = function () {
return this.m_allocated;
};
module.FIFO.prototype.GetSize = function () {
return this.m_size;
};
module.FIFO.prototype.Allocate = function (size) {
if (size > this.m_allocated) {
this.m_allocated = size;
this.m_data = new Int32Array(this.m_allocated);
}
this.Clear();
return module.O3DGC_OK;
};
module.FIFO.prototype.PopFirst = function () {
--this.m_size;
var current = this.m_start++;
if (this.m_start === this.m_allocated) {
this.m_end = 0;
}
return this.m_data[current];
};
module.FIFO.prototype.PushBack = function (value) {
--this.m_size;
this.m_data[this.m_end] = value;
++this.m_size;
++this.m_end;
if (this.m_end === this.m_allocated) {
this.m_end = 0;
}
};
// IndexedFaceSet class
module.IndexedFaceSet = function () {
this.m_nCoordIndex = 0;
this.m_nCoord = 0;
this.m_nNormal = 0;
this.m_numFloatAttributes = 0;
this.m_numIntAttributes = 0;
this.m_creaseAngle = 30.0;
this.m_ccw = true;
this.m_solid = true;
this.m_convex = true;
this.m_isTriangularMesh = true;
this.m_coordMin = new Float32Array(3);
this.m_coordMax = new Float32Array(3);
this.m_normalMin = new Float32Array(3);
this.m_normalMax = new Float32Array(3);
this.m_nFloatAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_nIntAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
this.m_dimFloatAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_dimIntAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
this.m_typeFloatAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_typeIntAttribute = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
this.m_minFloatAttributeBuffer = new ArrayBuffer(4 * local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES);
this.m_minFloatAttribute = new Float32Array(this.m_minFloatAttributeBuffer);
this.m_maxFloatAttributeBuffer = new ArrayBuffer(4 * local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES);
this.m_maxFloatAttribute = new Float32Array(this.m_maxFloatAttributeBuffer);
this.m_coordIndex = {};
this.m_coord = {};
this.m_normal = {};
this.m_floatAttribute = [];
this.m_intAttribute = [];
};
module.IndexedFaceSet.prototype.GetNCoordIndex = function () {
return this.m_nCoordIndex;
};
module.IndexedFaceSet.prototype.GetNCoordIndex = function () {
return this.m_nCoordIndex;
};
module.IndexedFaceSet.prototype.GetNCoord = function () {
return this.m_nCoord;
};
module.IndexedFaceSet.prototype.GetNNormal = function () {
return this.m_nNormal;
};
module.IndexedFaceSet.prototype.GetNFloatAttribute = function (a) {
return this.m_nFloatAttribute[a];
};
module.IndexedFaceSet.prototype.GetNIntAttribute = function (a) {
return this.m_nIntAttribute[a];
};
module.IndexedFaceSet.prototype.GetNumFloatAttributes = function () {
return this.m_numFloatAttributes;
};
module.IndexedFaceSet.prototype.GetNumIntAttributes = function () {
return this.m_numIntAttributes;
};
module.IndexedFaceSet.prototype.GetCoordMinArray = function () {
return this.m_coordMin;
};
module.IndexedFaceSet.prototype.GetCoordMaxArray = function () {
return this.m_coordMax;
};
module.IndexedFaceSet.prototype.GetNormalMinArray = function () {
return this.m_normalMin;
};
module.IndexedFaceSet.prototype.GetNormalMaxArray = function () {
return this.m_normalMax;
};
module.IndexedFaceSet.prototype.GetFloatAttributeMinArray = function (a) {
return (new Float32Array(this.m_minFloatAttributeBuffer, a * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES * 4, this.GetFloatAttributeDim(a)));
};
module.IndexedFaceSet.prototype.GetFloatAttributeMaxArray = function (a) {
return (new Float32Array(this.m_maxFloatAttributeBuffer, a * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES * 4, this.GetFloatAttributeDim(a)));
};
module.IndexedFaceSet.prototype.GetFloatAttributeDim = function (a) {
return this.m_dimFloatAttribute[a];
};
module.IndexedFaceSet.prototype.GetIntAttributeDim = function (a) {
return this.m_dimIntAttribute[a];
};
module.IndexedFaceSet.prototype.GetFloatAttributeType = function (a) {
return this.m_typeFloatAttribute[a];
};
module.IndexedFaceSet.prototype.GetIntAttributeType = function (a) {
return this.m_typeIntAttribute[a];
};
module.IndexedFaceSet.prototype.GetFloatAttributeMax = function (a, dim) {
return this.m_maxFloatAttribute[a * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES + dim];
};
module.IndexedFaceSet.prototype.GetCreaseAngle = function () {
return this.m_creaseAngle;
};
module.IndexedFaceSet.prototype.GetCreaseAngle = function () {
return this.m_creaseAngle;
};
module.IndexedFaceSet.prototype.GetCCW = function () {
return this.m_ccw;
};
module.IndexedFaceSet.prototype.GetSolid = function () {
return this.m_solid;
};
module.IndexedFaceSet.prototype.GetConvex = function () {
return this.m_convex;
};
module.IndexedFaceSet.prototype.GetIsTriangularMesh = function () {
return this.m_isTriangularMesh;
};
module.IndexedFaceSet.prototype.GetCoordIndex = function () {
return this.m_coordIndex;
};
module.IndexedFaceSet.prototype.GetCoordIndex = function () {
return this.m_coordIndex;
};
module.IndexedFaceSet.prototype.GetCoord = function () {
return this.m_coord;
};
module.IndexedFaceSet.prototype.GetNormal = function () {
return this.m_normal;
};
module.IndexedFaceSet.prototype.GetFloatAttribute = function (a) {
return this.m_floatAttribute[a];
};
module.IndexedFaceSet.prototype.GetIntAttribute = function (a) {
return this.m_intAttribute[a];
};
module.IndexedFaceSet.prototype.SetNCoordIndex = function (nCoordIndex) {
this.m_nCoordIndex = nCoordIndex;
};
module.IndexedFaceSet.prototype.SetNNormalIndex = function (nNormalIndex) {
};
module.IndexedFaceSet.prototype.SetNormalPerVertex = function (perVertex) {
};
module.IndexedFaceSet.prototype.SetNFloatAttributeIndex = function (nFloatAttributeIndex) {
};
module.IndexedFaceSet.prototype.SetNIntAttributeIndex = function (nIntAttributeIndex) {
};
module.IndexedFaceSet.prototype.SetFloatAttributePerVertex = function (perVertex) {
};
module.IndexedFaceSet.prototype.SetIntAttributePerVertex = function (perVertex) {
};
module.IndexedFaceSet.prototype.SetNCoord = function (nCoord) {
this.m_nCoord = nCoord;
};
module.IndexedFaceSet.prototype.SetNNormal = function (nNormal) {
this.m_nNormal = nNormal;
};
module.IndexedFaceSet.prototype.SetNumFloatAttributes = function (numFloatAttributes) {
this.m_numFloatAttributes = numFloatAttributes;
};
module.IndexedFaceSet.prototype.SetNumIntAttributes = function (numIntAttributes) {
this.m_numIntAttributes = numIntAttributes;
};
module.IndexedFaceSet.prototype.SetCreaseAngle = function (creaseAngle) {
this.m_creaseAngle = creaseAngle;
};
module.IndexedFaceSet.prototype.SetCCW = function (ccw) {
this.m_ccw = ccw;
};
module.IndexedFaceSet.prototype.SetSolid = function (solid) {
this.m_solid = solid;
};
module.IndexedFaceSet.prototype.SetConvex = function (convex) {
this.m_convex = convex;
};
module.IndexedFaceSet.prototype.SetIsTriangularMesh = function (isTriangularMesh) {
this.m_isTriangularMesh = isTriangularMesh;
};
module.IndexedFaceSet.prototype.SetCoordMin = function (j, min) {
this.m_coordMin[j] = min;
};
module.IndexedFaceSet.prototype.SetCoordMax = function (j, max) {
this.m_coordMax[j] = max;
};
module.IndexedFaceSet.prototype.SetNormalMin = function (j, min) {
this.m_normalMin[j] = min;
};
module.IndexedFaceSet.prototype.SetNormalMax = function (j, max) {
this.m_normalMax[j] = max;
};
module.IndexedFaceSet.prototype.SetNFloatAttribute = function (a, nFloatAttribute) {
this.m_nFloatAttribute[a] = nFloatAttribute;
};
module.IndexedFaceSet.prototype.SetNIntAttribute = function (a, nIntAttribute) {
this.m_nIntAttribute[a] = nIntAttribute;
};
module.IndexedFaceSet.prototype.SetFloatAttributeDim = function (a, d) {
this.m_dimFloatAttribute[a] = d;
};
module.IndexedFaceSet.prototype.SetIntAttributeDim = function (a, d) {
this.m_dimIntAttribute[a] = d;
};
module.IndexedFaceSet.prototype.SetFloatAttributeType = function (a, d) {
this.m_typeFloatAttribute[a] = d;
};
module.IndexedFaceSet.prototype.SetIntAttributeType = function (a, d) {
this.m_typeIntAttribute[a] = d;
};
module.IndexedFaceSet.prototype.SetFloatAttributeMin = function (a, dim, min) {
this.m_minFloatAttribute[a * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES + dim] = min;
};
module.IndexedFaceSet.prototype.SetFloatAttributeMax = function (a, dim, max) {
this.m_maxFloatAttribute[a * local.O3DGC_SC3DMC_MAX_DIM_ATTRIBUTES + dim] = max;
};
module.IndexedFaceSet.prototype.SetCoordIndex = function (coordIndex) {
this.m_coordIndex = coordIndex;
};
module.IndexedFaceSet.prototype.SetCoord = function (coord) {
this.m_coord = coord;
};
module.IndexedFaceSet.prototype.SetNormal = function (normal) {
this.m_normal = normal;
};
module.IndexedFaceSet.prototype.SetFloatAttribute = function (a, floatAttribute) {
this.m_floatAttribute[a] = floatAttribute;
};
module.IndexedFaceSet.prototype.SetIntAttribute = function (a, intAttribute) {
this.m_intAttribute[a] = intAttribute;
};
// SC3DMCEncodeParams class
module.SC3DMCEncodeParams = function () {
var a;
this.m_numFloatAttributes = 0;
this.m_numIntAttributes = 0;
this.m_floatAttributeQuantBits = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_floatAttributePredMode = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES);
this.m_intAttributePredMode = new Uint32Array(local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES);
this.m_encodeMode = local.O3DGC_SC3DMC_ENCODE_MODE_TFAN;
this.m_streamTypeMode = local.O3DGC_STREAM_TYPE_ASCII;
this.m_coordQuantBits = 14;
this.m_normalQuantBits = 8;
this.m_coordPredMode = local.O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION;
this.m_normalPredMode = local.O3DGC_SC3DMC_SURF_NORMALS_PREDICTION;
for (a = 0; a < local.O3DGC_SC3DMC_MAX_NUM_FLOAT_ATTRIBUTES; ++a) {
this.m_floatAttributePredMode[a] = local.O3DGC_SC3DMC_PARALLELOGRAM_PREDICTION;
}
for (a = 0; a < local.O3DGC_SC3DMC_MAX_NUM_INT_ATTRIBUTES; ++a) {
this.m_intAttributePredMode[a] = local.O3DGC_SC3DMC_DIFFERENTIAL_PREDICTION;
}
};
module.SC3DMCEncodeParams.prototype.GetStreamType = function () {
return this.m_streamTypeMode;
};
module.SC3DMCEncodeParams.prototype.GetEncodeMode = function () {
return this.m_encodeMode;
};
module.SC3DMCEncodeParams.prototype.GetNumFloatAttributes = function () {
return this.m_numFloatAttributes;
};
module.SC3DMCEncodeParams.prototype.GetNumIntAttributes = function () {
return this.m_numIntAttributes;
};
module.SC3DMCEncodeParams.prototype.GetCoordQuantBits = function () {
return this.m_coordQuantBits;
};
module.SC3DMCEncodeParams.prototype.GetNormalQuantBits = function () {
return this.m_normalQuantBits;
};
module.SC3DMCEncodeParams.prototype.GetFloatAttributeQuantBits = function (a) {
return this.m_floatAttributeQuantBits[a];
};
module.SC3DMCEncodeParams.prototype.GetCoordPredMode = function () {
return this.m_coordPredMode;
};
module.SC3DMCEncodeParams.prototype.GetNormalPredMode = function () {
return this.m_normalPredMode;
};
module.SC3DMCEncodeParams.prototype.GetFloatAttributePredMode = function (a) {
return this.m_floatAttributePredMode[a];
};
module.SC3DMCEncodeParams.prototype.GetIntAttributePredMode = function (a) {
return this.m_intAttributePredMode[a];
};
module.SC3DMCEncodeParams.prototype.GetCoordPredMode = function () {
return this.m_coordPredMode;
};
module.SC3DMCEncodeParams.prototype.GetNormalPredMode = function () {
return this.m_normalPredMode;
};
module.SC3DMCEncodeParams.prototype.GetFloatAttributePredMode = function (a) {
return this.m_floatAttributePredMode[a];
};
module.SC3DMCEncodeParams.prototype.GetIntAttributePredMode = function (a) {
return this.m_intAttributePredMode[a];
};
module.SC3DMCEncodeParams.prototype.SetStreamType = function (streamTypeMode) {
this.m_streamTypeMode = streamTypeMode;
};
module.SC3DMCEncodeParams.prototype.SetEncodeMode = function (encodeMode) {
this.m_encodeMode = encodeMode;
};
module.SC3DMCEncodeParams.prototype.SetNumFloatAttributes = function (numFloatAttributes) {
this.m_numFloatAttributes = numFloatAttributes;
};
module.SC3DMCEncodeParams.prototype.SetNumIntAttributes = function (numIntAttributes) {
this.m_numIntAttributes = numIntAttributes;
};
module.SC3DMCEncodeParams.prototype.SetCoordQuantBits = function (coordQuantBits) {
this.m_coordQuantBits = coordQuantBits;
};
module.SC3DMCEncodeParams.prototype.SetNormalQuantBits = function (normalQuantBits) {
this.m_normalQuantBits = normalQuantBits;
};
module.SC3DMCEncodeParams.prototype.SetFloatAttributeQuantBits = function (a, q) {
this.m_floatAttributeQuantBits[a] = q;
};
module.SC3DMCEncodeParams.prototype.SetCoordPredMode = function (coordPredMode) {
this.m_coordPredMode = coordPredMode;
};
module.SC3DMCEncodeParams.prototype.SetNormalPredMode = function (normalPredMode) {
this.m_normalPredMode = normalPredMode;
};
module.SC3DMCEncodeParams.prototype.SetFloatAttributePredMode = function (a, p) {
this.m_floatAttributePredMode[a] = p;
};
module.SC3DMCEncodeParams.prototype.SetIntAttributePredMode = function (a, p) {
this.m_intAttributePredMode[a] = p;
};
// AdjacencyInfo class
module.AdjacencyInfo = function () {
this.m_neighborsSize = 0; // actual allocated size for m_neighbors
this.m_numNeighborsSize = 0; // actual allocated size for m_numNeighbors
this.m_numElements = 0; // number of elements
this.m_neighbors = {};
this.m_numNeighbors = {};
};
module.AdjacencyInfo.prototype.Allocate = function (numNeighborsSize, neighborsSize) {
this.m_numElements = numNeighborsSize;
if (neighborsSize > this.m_neighborsSize) {
this.m_neighborsSize = neighborsSize;
this.m_neighbors = new Int32Array(this.m_neighborsSize);
}
if (numNeighborsSize > this.m_numNeighborsSize) {
this.m_numNeighborsSize = numNeighborsSize;
this.m_numNeighbors = new Int32Array(this.m_numNeighborsSize);
}
return module.O3DGC_OK;
};
module.AdjacencyInfo.prototype.AllocateNumNeighborsArray = function (numElements) {
if (numElements > this.m_numNeighborsSize) {
this.m_numNeighborsSize = numElements;
this.m_numNeighbors = new Int32Array(this.m_numNeighborsSize);
}
this.m_numElements = numElements;
return module.O3DGC_OK;
};
module.AdjacencyInfo.prototype.AllocateNeighborsArray = function () {
var i;
for (i = 1; i < this.m_numElements; ++i) {
this.m_numNeighbors[i] += this.m_numNeighbors[i - 1];
}
if (this.m_numNeighbors[this.m_numElements - 1] > this.m_neighborsSize) {
this.m_neighborsSize = this.m_numNeighbors[this.m_numElements - 1];
this.m_neighbors = new Int32Array(this.m_neighborsSize);
}
return module.O3DGC_OK;
};
module.AdjacencyInfo.pr