/src/assimp/contrib/Open3DGC/o3dgcTriangleFans.h

Source
/*
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


Coverage Report

Created: 2026-01-25 07:15

Line	Count	Source
1		/*
2		Copyright (c) 2013 Khaled Mammou - Advanced Micro Devices, Inc.
3
4		Permission is hereby granted, free of charge, to any person obtaining a copy
5		of this software and associated documentation files (the "Software"), to deal
6		in the Software without restriction, including without limitation the rights
7		to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8		copies of the Software, and to permit persons to whom the Software is
9		furnished to do so, subject to the following conditions:
10
11		The above copyright notice and this permission notice shall be included in
12		all copies or substantial portions of the Software.
13
14		THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15		IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16		FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17		AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18		LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19		OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20		THE SOFTWARE.
21		*/
22
23
24		#pragma once
25		#ifndef O3DGC_TRIANGLE_FANS_H
26		#define O3DGC_TRIANGLE_FANS_H
27
28		#include "o3dgcCommon.h"
29		#include "o3dgcVector.h"
30		#include "o3dgcBinaryStream.h"
31
32
33		namespace o3dgc
34		{
35		const long O3DGC_TFANS_MIN_SIZE_ALLOCATED_VERTICES_BUFFER = 128;
36		const long O3DGC_TFANS_MIN_SIZE_TFAN_SIZE_BUFFER = 8;
37
38		class CompressedTriangleFans
39		{
40		public:
41		//! Constructor.
42		CompressedTriangleFans(void)
43	0	{
44	0	m_streamType = O3DGC_STREAM_TYPE_UNKOWN;
45	0	m_bufferAC = 0;
46	0	m_sizeBufferAC = 0;
47	0	};
48		//! Destructor.
49		~CompressedTriangleFans(void)
50	0	{
51	0	delete [] m_bufferAC;
52	0	};
53	0	O3DGCStreamType GetStreamType() const { return m_streamType; }
54	0	void SetStreamType(O3DGCStreamType streamType) { m_streamType = streamType; }
55
56		O3DGCErrorCode Allocate(long numVertices, long numTriangles)
57	0	{
58	0	assert(numVertices > 0);
59	0	m_numTFANs.Allocate(numVertices);
60	0	m_degrees.Allocate(2*numVertices);
61	0	m_configs.Allocate(2*numVertices);
62	0	m_operations.Allocate(2*numVertices);
63	0	m_indices.Allocate(2*numVertices);
64	0	m_trianglesOrder.Allocate(numTriangles);
65	0	Clear();
66	0	return O3DGC_OK;
67	0	}
68		O3DGCErrorCode PushNumTFans(long numTFans)
69	0	{
70	0	m_numTFANs.PushBack(numTFans);
71	0	return O3DGC_OK;
72	0	}
73		long ReadNumTFans(unsigned long & iterator) const
74	0	{
75	0	assert(iterator < m_numTFANs.GetSize());
76	0	return m_numTFANs[iterator++];
77	0	}
78		O3DGCErrorCode PushDegree(long degree)
79	0	{
80	0	m_degrees.PushBack(degree);
81	0	return O3DGC_OK;
82	0	}
83		long ReadDegree(unsigned long & iterator) const
84	0	{
85	0	assert(iterator < m_degrees.GetSize());
86	0	return m_degrees[iterator++];
87	0	}
88		O3DGCErrorCode PushConfig(long config)
89	0	{
90	0	m_configs.PushBack(config);
91	0	return O3DGC_OK;
92	0	}
93		long ReadConfig(unsigned long & iterator) const
94	0	{
95	0	assert(iterator < m_configs.GetSize());
96	0	return m_configs[iterator++];
97	0	}
98		O3DGCErrorCode PushOperation(long op)
99	0	{
100	0	m_operations.PushBack(op);
101	0	return O3DGC_OK;
102	0	}
103		long ReadOperation(unsigned long & iterator) const
104	0	{
105	0	assert(iterator < m_operations.GetSize());
106	0	return m_operations[iterator++];
107	0	}
108		O3DGCErrorCode PushIndex(long index)
109	0	{
110	0	m_indices.PushBack(index);
111	0	return O3DGC_OK;
112	0	}
113		long ReadIndex(unsigned long & iterator) const
114	0	{
115	0	assert(iterator < m_indices.GetSize());
116	0	return m_indices[iterator++];
117	0	}
118		O3DGCErrorCode PushTriangleIndex(long index)
119	0	{
120	0	m_trianglesOrder.PushBack(IntToUInt(index));
121	0	return O3DGC_OK;
122	0	}
123		long ReadTriangleIndex(unsigned long & iterator) const
124	0	{
125	0	assert(iterator < m_trianglesOrder.GetSize());
126	0	return UIntToInt(m_trianglesOrder[iterator++]);
127	0	}
128		O3DGCErrorCode Clear()
129	0	{
130	0	m_numTFANs.Clear();
131	0	m_degrees.Clear();
132	0	m_configs.Clear();
133	0	m_operations.Clear();
134	0	m_indices.Clear();
135	0	return O3DGC_OK;
136	0	}
137		O3DGCErrorCode Save(BinaryStream & bstream,
138		bool encodeTrianglesOrder,
139		O3DGCStreamType streamType);
140		O3DGCErrorCode Load(const BinaryStream & bstream,
141		unsigned long & iterator,
142		bool decodeTrianglesOrder,
143		O3DGCStreamType streamType);
144
145		private:
146		O3DGCErrorCode SaveBinAC(const Vector<long> & data,
147		BinaryStream & bstream);
148		O3DGCErrorCode SaveUIntAC(const Vector<long> & data,
149		const unsigned long M,
150		BinaryStream & bstream);
151		O3DGCErrorCode SaveIntACEGC(const Vector<long> & data,
152		const unsigned long M,
153		BinaryStream & bstream);
154
155		Vector<long> m_numTFANs;
156		Vector<long> m_degrees;
157		Vector<long> m_configs;
158		Vector<long> m_operations;
159		Vector<long> m_indices;
160		Vector<long> m_trianglesOrder;
161		unsigned char * m_bufferAC;
162		unsigned long m_sizeBufferAC;
163		O3DGCStreamType m_streamType;
164		};
165
166		//!
167		class TriangleFans
168		{
169		public:
170		//! Constructor.
171		TriangleFans(long sizeTFAN = O3DGC_TFANS_MIN_SIZE_TFAN_SIZE_BUFFER,
172		long verticesSize = O3DGC_TFANS_MIN_SIZE_ALLOCATED_VERTICES_BUFFER)
173	0	{
174	0	assert(sizeTFAN > 0);
175	0	assert(verticesSize > 0);
176	0	m_numTFANs = 0;
177	0	m_numVertices = 0;
178	0	m_verticesAllocatedSize = verticesSize;
179	0	m_sizeTFANAllocatedSize = sizeTFAN;
180	0	m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
181	0	m_vertices = new long [m_verticesAllocatedSize];
182	0	};
183		//! Destructor.
184		~TriangleFans(void)
185	0	{
186	0	delete [] m_vertices;
187	0	delete [] m_sizeTFAN;
188	0	};
189
190		O3DGCErrorCode Allocate(long sizeTFAN, long verticesSize)
191	0	{
192	0	assert(sizeTFAN > 0);
193	0	assert(verticesSize > 0);
194	0	m_numTFANs = 0;
195	0	m_numVertices = 0;
196	0	if (m_verticesAllocatedSize < verticesSize)
197	0	{
198	0	delete [] m_vertices;
199	0	m_verticesAllocatedSize = verticesSize;
200	0	m_vertices = new long [m_verticesAllocatedSize];
201	0	}
202	0	if (m_sizeTFANAllocatedSize < sizeTFAN)
203	0	{
204	0	delete [] m_sizeTFAN;
205	0	m_sizeTFANAllocatedSize = sizeTFAN;
206	0	m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
207	0	}
208	0	return O3DGC_OK;
209	0	};
210		O3DGCErrorCode Clear()
211	0	{
212	0	m_numTFANs = 0;
213	0	m_numVertices = 0;
214	0	return O3DGC_OK;
215	0	}
216		O3DGCErrorCode AddVertex(long vertex)
217	0	{
218	0	assert(m_numTFANs >= 0);
219	0	assert(m_numTFANs < m_sizeTFANAllocatedSize);
220	0	assert(m_numVertices >= 0);
221	0	++m_numVertices;
222	0	if (m_numVertices == m_verticesAllocatedSize)
223	0	{
224	0	m_verticesAllocatedSize *= 2;
225	0	long * tmp = m_vertices;
226	0	m_vertices = new long [m_verticesAllocatedSize];
227	0	memcpy(m_vertices, tmp, sizeof(long) * m_numVertices);
228	0	delete [] tmp;
229	0	}
230	0	m_vertices[m_numVertices-1] = vertex;
231	0	++m_sizeTFAN[m_numTFANs-1];
232	0	return O3DGC_OK;
233	0	}
234		O3DGCErrorCode AddTFAN()
235	0	{
236	0	assert(m_numTFANs >= 0);
237	0	++m_numTFANs;
238	0	if (m_numTFANs == m_sizeTFANAllocatedSize)
239	0	{
240	0	m_sizeTFANAllocatedSize *= 2;
241	0	long * tmp = m_sizeTFAN;
242	0	m_sizeTFAN = new long [m_sizeTFANAllocatedSize];
243	0	memcpy(m_sizeTFAN, tmp, sizeof(long) * m_numTFANs);
244	0	delete [] tmp;
245	0	}
246	0	m_sizeTFAN[m_numTFANs-1] = (m_numTFANs > 1) ? m_sizeTFAN[m_numTFANs-2] : 0;
247	0	return O3DGC_OK;
248	0	}
249		long Begin(long tfan) const
250	0	{
251	0	assert(tfan < m_numTFANs);
252	0	assert(tfan >= 0);
253	0	return (tfan>0)?m_sizeTFAN[tfan-1]:0;
254	0	}
255		long End(long tfan) const
256	0	{
257	0	assert(tfan < m_numTFANs);
258	0	assert(tfan >= 0);
259	0	return m_sizeTFAN[tfan];
260	0	}
261		long GetVertex(long vertex) const
262	0	{
263	0	assert(vertex < m_numVertices);
264	0	assert(vertex >= 0);
265	0	return m_vertices[vertex];
266	0	}
267		long GetTFANSize(long tfan) const
268	0	{
269	0	return End(tfan) - Begin(tfan);
270	0	}
271		long GetNumTFANs() const
272	0	{
273	0	return m_numTFANs;
274	0	}
275		long GetNumVertices() const
276	0	{
277	0	return m_numVertices;
278	0	}
279
280		private:
281		long m_verticesAllocatedSize;
282		long m_sizeTFANAllocatedSize;
283		long m_numTFANs;
284		long m_numVertices;
285		long * m_vertices;
286		long * m_sizeTFAN;
287
288		};
289		}
290		#endif // O3DGC_TRIANGLE_FANS_H
291