summaryrefslogtreecommitdiff
path: root/libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h
diff options
context:
space:
mode:
Diffstat (limited to 'libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h')
-rw-r--r--libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h291
1 files changed, 291 insertions, 0 deletions
diff --git a/libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h b/libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h
new file mode 100644
index 0000000..8618364
--- /dev/null
+++ b/libs/assimp/contrib/Open3DGC/o3dgcTriangleFans.h
@@ -0,0 +1,291 @@
+/*
+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.
+*/
+
+
+#pragma once
+#ifndef O3DGC_TRIANGLE_FANS_H
+#define O3DGC_TRIANGLE_FANS_H
+
+#include "o3dgcCommon.h"
+#include "o3dgcVector.h"
+#include "o3dgcBinaryStream.h"
+
+
+namespace o3dgc
+{
+ const long O3DGC_TFANS_MIN_SIZE_ALLOCATED_VERTICES_BUFFER = 128;
+ const long O3DGC_TFANS_MIN_SIZE_TFAN_SIZE_BUFFER = 8;
+
+ class CompressedTriangleFans
+ {
+ public:
+ //! Constructor.
+ CompressedTriangleFans(void)
+ {
+ m_streamType = O3DGC_STREAM_TYPE_UNKOWN;
+ m_bufferAC = 0;
+ m_sizeBufferAC = 0;
+ };
+ //! Destructor.
+ ~CompressedTriangleFans(void)
+ {
+ delete [] m_bufferAC;
+ };
+ O3DGCStreamType GetStreamType() const { return m_streamType; }
+ void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; }
+
+ O3DGCErrorCode Allocate(long numVertices, long numTriangles)
+ {
+ assert(numVertices > 0);
+ m_numTFANs.Allocate(numVertices);
+ m_degrees.Allocate(2*numVertices);
+ m_configs.Allocate(2*numVertices);
+ m_operations.Allocate(2*numVertices);
+ m_indices.Allocate(2*numVertices);
+ m_trianglesOrder.Allocate(numTriangles);
+ Clear();
+ return O3DGC_OK;
+ }
+ O3DGCErrorCode PushNumTFans(long numTFans)
+ {
+ m_numTFANs.PushBack(numTFans);
+ return O3DGC_OK;
+ }
+ long ReadNumTFans(unsigned long & iterator) const
+ {
+ assert(iterator < m_numTFANs.GetSize());
+ return m_numTFANs[iterator++];
+ }
+ O3DGCErrorCode PushDegree(long degree)
+ {
+ m_degrees.PushBack(degree);
+ return O3DGC_OK;
+ }
+ long ReadDegree(unsigned long & iterator) const
+ {
+ assert(iterator < m_degrees.GetSize());
+ return m_degrees[iterator++];
+ }
+ O3DGCErrorCode PushConfig(long config)
+ {
+ m_configs.PushBack(config);
+ return O3DGC_OK;
+ }
+ long ReadConfig(unsigned long & iterator) const
+ {
+ assert(iterator < m_configs.GetSize());
+ return m_configs[iterator++];
+ }
+ O3DGCErrorCode PushOperation(long op)
+ {
+ m_operations.PushBack(op);
+ return O3DGC_OK;
+ }
+ long ReadOperation(unsigned long & iterator) const
+ {
+ assert(iterator < m_operations.GetSize());
+ return m_operations[iterator++];
+ }
+ O3DGCErrorCode PushIndex(long index)
+ {
+ m_indices.PushBack(index);
+ return O3DGC_OK;
+ }
+ long ReadIndex(unsigned long & iterator) const
+ {
+ assert(iterator < m_indices.GetSize());
+ return m_indices[iterator++];
+ }
+ O3DGCErrorCode PushTriangleIndex(long index)
+ {
+ m_trianglesOrder.PushBack(IntToUInt(index));
+ return O3DGC_OK;
+ }
+ long ReadTriangleIndex(unsigned long & iterator) const
+ {
+ assert(iterator < m_trianglesOrder.GetSize());
+ return UIntToInt(m_trianglesOrder[iterator++]);
+ }
+ O3DGCErrorCode Clear()
+ {
+ m_numTFANs.Clear();
+ m_degrees.Clear();
+ m_configs.Clear();
+ m_operations.Clear();
+ m_indices.Clear();
+ return O3DGC_OK;
+ }
+ O3DGCErrorCode Save(BinaryStream & bstream,
+ bool encodeTrianglesOrder,
+ O3DGCStreamType streamType);
+ O3DGCErrorCode Load(const BinaryStream & bstream,
+ unsigned long & iterator,
+ bool decodeTrianglesOrder,
+ O3DGCStreamType streamType);
+
+ private:
+ O3DGCErrorCode SaveBinAC(const Vector<long> & data,
+ BinaryStream & bstream);
+ O3DGCErrorCode SaveUIntAC(const Vector<long> & data,
+ const unsigned long M,
+ BinaryStream & bstream);
+ O3DGCErrorCode SaveIntACEGC(const Vector<long> & data,
+ const unsigned long M,
+ BinaryStream & bstream);
+
+ Vector<long> m_numTFANs;
+ Vector<long> m_degrees;
+ Vector<long> m_configs;
+ Vector<long> m_operations;
+ Vector<long> m_indices;
+ Vector<long> m_trianglesOrder;
+ unsigned char * m_bufferAC;
+ unsigned long m_sizeBufferAC;
+ O3DGCStreamType m_streamType;
+ };
+
+ //!
+ class TriangleFans
+ {
+ public:
+ //! Constructor.
+ TriangleFans(long sizeTFAN = O3DGC_TFANS_MIN_SIZE_TFAN_SIZE_BUFFER,
+ long verticesSize = O3DGC_TFANS_MIN_SIZE_ALLOCATED_VERTICES_BUFFER)
+ {
+ assert(sizeTFAN > 0);
+ assert(verticesSize > 0);
+ m_numTFANs = 0;
+ m_numVertices = 0;
+ m_verticesAllocatedSize = verticesSize;
+ m_sizeTFANAllocatedSize = sizeTFAN;
+ m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
+ m_vertices = new long [m_verticesAllocatedSize];
+ };
+ //! Destructor.
+ ~TriangleFans(void)
+ {
+ delete [] m_vertices;
+ delete [] m_sizeTFAN;
+ };
+
+ O3DGCErrorCode Allocate(long sizeTFAN, long verticesSize)
+ {
+ assert(sizeTFAN > 0);
+ assert(verticesSize > 0);
+ m_numTFANs = 0;
+ m_numVertices = 0;
+ if (m_verticesAllocatedSize < verticesSize)
+ {
+ delete [] m_vertices;
+ m_verticesAllocatedSize = verticesSize;
+ m_vertices = new long [m_verticesAllocatedSize];
+ }
+ if (m_sizeTFANAllocatedSize < sizeTFAN)
+ {
+ delete [] m_sizeTFAN;
+ m_sizeTFANAllocatedSize = sizeTFAN;
+ m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
+ }
+ return O3DGC_OK;
+ };
+ O3DGCErrorCode Clear()
+ {
+ m_numTFANs = 0;
+ m_numVertices = 0;
+ return O3DGC_OK;
+ }
+ O3DGCErrorCode AddVertex(long vertex)
+ {
+ assert(m_numTFANs >= 0);
+ assert(m_numTFANs < m_sizeTFANAllocatedSize);
+ assert(m_numVertices >= 0);
+ ++m_numVertices;
+ if (m_numVertices == m_verticesAllocatedSize)
+ {
+ m_verticesAllocatedSize *= 2;
+ long * tmp = m_vertices;
+ m_vertices = new long [m_verticesAllocatedSize];
+ memcpy(m_vertices, tmp, sizeof(long) * m_numVertices);
+ delete [] tmp;
+ }
+ m_vertices[m_numVertices-1] = vertex;
+ ++m_sizeTFAN[m_numTFANs-1];
+ return O3DGC_OK;
+ }
+ O3DGCErrorCode AddTFAN()
+ {
+ assert(m_numTFANs >= 0);
+ ++m_numTFANs;
+ if (m_numTFANs == m_sizeTFANAllocatedSize)
+ {
+ m_sizeTFANAllocatedSize *= 2;
+ long * tmp = m_sizeTFAN;
+ m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
+ memcpy(m_sizeTFAN, tmp, sizeof(long) * m_numTFANs);
+ delete [] tmp;
+ }
+ m_sizeTFAN[m_numTFANs-1] = (m_numTFANs > 1) ? m_sizeTFAN[m_numTFANs-2] : 0;
+ return O3DGC_OK;
+ }
+ long Begin(long tfan) const
+ {
+ assert(tfan < m_numTFANs);
+ assert(tfan >= 0);
+ return (tfan>0)?m_sizeTFAN[tfan-1]:0;
+ }
+ long End(long tfan) const
+ {
+ assert(tfan < m_numTFANs);
+ assert(tfan >= 0);
+ return m_sizeTFAN[tfan];
+ }
+ long GetVertex(long vertex) const
+ {
+ assert(vertex < m_numVertices);
+ assert(vertex >= 0);
+ return m_vertices[vertex];
+ }
+ long GetTFANSize(long tfan) const
+ {
+ return End(tfan) - Begin(tfan);
+ }
+ long GetNumTFANs() const
+ {
+ return m_numTFANs;
+ }
+ long GetNumVertices() const
+ {
+ return m_numVertices;
+ }
+
+ private:
+ long m_verticesAllocatedSize;
+ long m_sizeTFANAllocatedSize;
+ long m_numTFANs;
+ long m_numVertices;
+ long * m_vertices;
+ long * m_sizeTFAN;
+
+ };
+}
+#endif // O3DGC_TRIANGLE_FANS_H
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 20:39:38 +0000