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Merge pull request #486 from DenisMikhalev/issue-2 

Adds safety and prevents crashes for damaged files
pull/490/head
Alexander Gessler 2015-03-10 16:09:07 +01:00
parent 3c56e978f7 615041ba15
commit 163bbc25c7
3 changed files with 964 additions and 27 deletions
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72
code/PlyLoader.cpp
View File

@ -64,6 +64,24 @@ static const aiImporterDesc desc = {
"ply"
};
// ------------------------------------------------------------------------------------------------
// Internal stuff
namespace
{
// ------------------------------------------------------------------------------------------------
// Checks that property index is within range
template <class T>
const T &GetProperty(const std::vector<T> &props, int idx)
{
if (idx >= props.size())
throw DeadlyImportError("Invalid .ply file: Property index is out of range.");
return props[idx];
}
}
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
PLYImporter::PLYImporter()
@ -431,13 +449,13 @@ void PLYImporter::LoadTextureCoordinates(std::vector<aiVector2D>* pvOut)
if (0xFFFFFFFF != aiPositions[0])
{
vOut.x = PLY::PropertyInstance::ConvertTo<float>(
(*i).alProperties[aiPositions[0]].avList.front(),aiTypes[0]);
GetProperty((*i).alProperties, aiPositions[0]).avList.front(),aiTypes[0]);
}
if (0xFFFFFFFF != aiPositions[1])
{
vOut.y = PLY::PropertyInstance::ConvertTo<float>(
(*i).alProperties[aiPositions[1]].avList.front(),aiTypes[1]);
GetProperty((*i).alProperties, aiPositions[1]).avList.front(),aiTypes[1]);
}
// and add them to our nice list
pvOut->push_back(vOut);
@ -541,19 +559,19 @@ void PLYImporter::LoadVertices(std::vector<aiVector3D>* pvOut, bool p_bNormals)
if (0xFFFFFFFF != aiPositions[0])
{
vOut.x = PLY::PropertyInstance::ConvertTo<float>(
(*i).alProperties[aiPositions[0]].avList.front(),aiTypes[0]);
GetProperty((*i).alProperties, aiPositions[0]).avList.front(),aiTypes[0]);
}
if (0xFFFFFFFF != aiPositions[1])
{
vOut.y = PLY::PropertyInstance::ConvertTo<float>(
(*i).alProperties[aiPositions[1]].avList.front(),aiTypes[1]);
GetProperty((*i).alProperties, aiPositions[1]).avList.front(),aiTypes[1]);
}
if (0xFFFFFFFF != aiPositions[2])
{
vOut.z = PLY::PropertyInstance::ConvertTo<float>(
(*i).alProperties[aiPositions[2]].avList.front(),aiTypes[2]);
GetProperty((*i).alProperties, aiPositions[2]).avList.front(),aiTypes[2]);
}
// and add them to our nice list
@ -659,28 +677,28 @@ void PLYImporter::LoadVertexColor(std::vector<aiColor4D>* pvOut)
if (0xFFFFFFFF != aiPositions[0])
{
vOut.r = NormalizeColorValue((*i).alProperties[
aiPositions[0]].avList.front(),aiTypes[0]);
vOut.r = NormalizeColorValue(GetProperty((*i).alProperties,
aiPositions[0]).avList.front(),aiTypes[0]);
}
if (0xFFFFFFFF != aiPositions[1])
{
vOut.g = NormalizeColorValue((*i).alProperties[
aiPositions[1]].avList.front(),aiTypes[1]);
vOut.g = NormalizeColorValue(GetProperty((*i).alProperties,
aiPositions[1]).avList.front(),aiTypes[1]);
}
if (0xFFFFFFFF != aiPositions[2])
{
vOut.b = NormalizeColorValue((*i).alProperties[
aiPositions[2]].avList.front(),aiTypes[2]);
vOut.b = NormalizeColorValue(GetProperty((*i).alProperties,
aiPositions[2]).avList.front(),aiTypes[2]);
}
// assume 1.0 for the alpha channel ifit is not set
if (0xFFFFFFFF == aiPositions[3])vOut.a = 1.0f;
else
{
vOut.a = NormalizeColorValue((*i).alProperties[
aiPositions[3]].avList.front(),aiTypes[3]);
vOut.a = NormalizeColorValue(GetProperty((*i).alProperties,
aiPositions[3]).avList.front(),aiTypes[3]);
}
// and add them to our nice list
@ -773,11 +791,11 @@ void PLYImporter::LoadFaces(std::vector<PLY::Face>* pvOut)
// parse the list of vertex indices
if (0xFFFFFFFF != iProperty)
{
const unsigned int iNum = (unsigned int)(*i).alProperties[iProperty].avList.size();
const unsigned int iNum = (unsigned int)GetProperty((*i).alProperties, iProperty).avList.size();
sFace.mIndices.resize(iNum);
std::vector<PLY::PropertyInstance::ValueUnion>::const_iterator p =
(*i).alProperties[iProperty].avList.begin();
GetProperty((*i).alProperties, iProperty).avList.begin();
for (unsigned int a = 0; a < iNum;++a,++p)
{
@ -789,7 +807,7 @@ void PLYImporter::LoadFaces(std::vector<PLY::Face>* pvOut)
if (0xFFFFFFFF != iMaterialIndex)
{
sFace.iMaterialIndex = PLY::PropertyInstance::ConvertTo<unsigned int>(
(*i).alProperties[iMaterialIndex].avList.front(),eType2);
GetProperty((*i).alProperties, iMaterialIndex).avList.front(),eType2);
}
pvOut->push_back(sFace);
}
@ -800,7 +818,7 @@ void PLYImporter::LoadFaces(std::vector<PLY::Face>* pvOut)
// a value of -1 indicates a restart of the strip
bool flip = false;
for (std::vector<ElementInstance>::const_iterator i = pcList->alInstances.begin();i != pcList->alInstances.end();++i) {
const std::vector<PLY::PropertyInstance::ValueUnion>& quak = (*i).alProperties[iProperty].avList;
const std::vector<PLY::PropertyInstance::ValueUnion>& quak = GetProperty((*i).alProperties, iProperty).avList;
pvOut->reserve(pvOut->size() + quak.size() + (quak.size()>>2u));
int aiTable[2] = {-1,-1};
@ -851,30 +869,30 @@ void PLYImporter::GetMaterialColor(const std::vector<PLY::PropertyInstance>& avL
if (0xFFFFFFFF == aiPositions[0])clrOut->r = 0.0f;
else
{
clrOut->r = NormalizeColorValue(avList[
aiPositions[0]].avList.front(),aiTypes[0]);
clrOut->r = NormalizeColorValue(GetProperty(avList,
aiPositions[0]).avList.front(),aiTypes[0]);
}
if (0xFFFFFFFF == aiPositions[1])clrOut->g = 0.0f;
else
{
clrOut->g = NormalizeColorValue(avList[
aiPositions[1]].avList.front(),aiTypes[1]);
clrOut->g = NormalizeColorValue(GetProperty(avList,
aiPositions[1]).avList.front(),aiTypes[1]);
}
if (0xFFFFFFFF == aiPositions[2])clrOut->b = 0.0f;
else
{
clrOut->b = NormalizeColorValue(avList[
aiPositions[2]].avList.front(),aiTypes[2]);
clrOut->b = NormalizeColorValue(GetProperty(avList,
aiPositions[2]).avList.front(),aiTypes[2]);
}
// assume 1.0 for the alpha channel ifit is not set
if (0xFFFFFFFF == aiPositions[3])clrOut->a = 1.0f;
else
{
clrOut->a = NormalizeColorValue(avList[
aiPositions[3]].avList.front(),aiTypes[3]);
clrOut->a = NormalizeColorValue(GetProperty(avList,
aiPositions[3]).avList.front(),aiTypes[3]);
}
}
@ -1025,7 +1043,7 @@ void PLYImporter::LoadMaterial(std::vector<aiMaterial*>* pvOut)
// handle phong power and shading mode
int iMode;
if (0xFFFFFFFF != iPhong) {
float fSpec = PLY::PropertyInstance::ConvertTo<float>((*i).alProperties[iPhong].avList.front(),ePhong);
float fSpec = PLY::PropertyInstance::ConvertTo<float>(GetProperty((*i).alProperties, iPhong).avList.front(),ePhong);
// if shininess is 0 (and the pow() calculation would therefore always
// become 1, not depending on the angle), use gouraud lighting
@ -1043,7 +1061,7 @@ void PLYImporter::LoadMaterial(std::vector<aiMaterial*>* pvOut)
// handle opacity
if (0xFFFFFFFF != iOpacity) {
float fOpacity = PLY::PropertyInstance::ConvertTo<float>((*i).alProperties[iPhong].avList.front(),eOpacity);
float fOpacity = PLY::PropertyInstance::ConvertTo<float>(GetProperty((*i).alProperties, iPhong).avList.front(),eOpacity);
pcHelper->AddProperty<float>(&fOpacity, 1, AI_MATKEY_OPACITY);
}

754
test/models-nonbsd/PLY/ant-half.ply 100644
View File

@ -0,0 +1,754 @@
ply
format ascii 1.0
element vertex 486
property float32 x
property float32 y
property float32 z
element face 912
property list uint8 int32 vertex_indices
end_header
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14.73 -8.43 5.528
15.15 -8.236 4.95
15.78 -9.378 5.503
15.77 -9.385 5.497
15.78 -9.375 5.495
15.78 -9.378 5.486
15.77 -9.383 5.484
1.529 -2.27 -1.222
1.519 -2.258 -1.231
1.522 -2.262 -1.24
2.795 -1.989 -0.8906
2.062 -1.082 -0.8906
2.428 -1.536 -1.907
4.677 -0.6204 -1.642
4.493 -0.3933 -0.5283
6.417 0.9227 -0.8818
5.665 1.852 -0.8818
6.041 1.387 -1.924
6.951 2.279 -1.137
6.937 1.957 -1.137
6.944 2.118 -1.418
7.379 0.9683 -0.9246
7.743 1.346 -0.623
8.108 1.724 -1.538
7.743 1.346 -1.84
9.343 -0.1982 -0.4792
9.343 -0.1982 -1.983
8.82 -0.7393 -1.231
11.15 -1.528 -0.7207
10.59 -2.11 -0.9326
11.15 -1.528 -1.742
10.59 -2.11 -1.53
11.75 -2.509 -1.218
11.73 -2.523 -1.223
11.75 -2.509 -1.245
11.73 -2.523 -1.239
12.63 -3.546 -0.8647
12.14 -3.852 -1.017
12.63 -3.546 -1.598
12.7 -5.09 -1.55
13.16 -4.803 -0.6001
13.62 -4.516 -1.55
13.36 -6.264 -0.8804
15.05 -6.803 -0.9111
14.58 -7.092 -1.866
15.6 -8.042 -1.016
14.98 -8.43 -1.016
15.29 -8.236 -1.658
16.01 -9.378 -1.222
15.99 -9.385 -1.226
16.01 -9.375 -1.231
16.01 -9.378 -1.24
16 -9.383 -1.24
-0.7932 4.462 -7.734
-0.3843 1.974 -5.495
1.95 3.241 -7.348
1.167 0.6428 -6.109
3.808 0.1871 -9.572
3.644 1.688 -11.88
0.07617 4.961 -10.12
3.28 -0.5704 -14.15
0.2488 -1.848 -16.78
-0.9744 -2.686 -16.57
0.7307 -3.159 -16.47
-2.678 2.963 -8.185
-2.616 -2.779 -12.24
-1.159 -1.533 -8.922
3 0 1 2
3 1 3 2
3 2 4 5
3 4 6 5
3 5 6 7
3 7 6 8
3 2 3 9
3 2 9 4
3 4 9 6
3 6 9 8
3 5 0 2
3 5 7 0
3 8 10 7
3 7 10 0
3 0 10 1
3 1 10 11
3 1 11 3
3 10 12 11
3 11 12 3
3 3 12 9
3 10 8 12
3 12 8 9
3 13 14 15
3 15 14 16
3 17 15 16
3 18 19 14
3 14 19 16
3 19 20 16
3 15 17 21
3 15 21 13
3 14 13 18
3 21 22 13
3 13 22 18
3 21 23 22
3 21 24 23
3 23 25 22
3 22 25 18
3 18 25 20
3 18 20 19
3 23 26 25
3 25 26 20
3 23 24 26
3 26 24 27
3 26 27 20
3 20 27 16
3 24 21 27
3 27 21 17
3 27 17 16
3 28 29 30
3 31 32 29
3 29 32 30
3 32 33 30
3 30 33 28
3 28 33 34
3 28 34 35
3 35 34 36
3 28 35 29
3 35 36 29
3 29 36 31
3 36 37 31
3 31 37 32
3 37 38 32
3 32 38 33
3 36 34 37
3 37 34 38
3 38 34 33
3 39 40 41
3 42 43 40
3 40 43 41
3 43 44 41
3 41 44 39
3 39 44 45
3 39 45 46
3 46 45 47
3 39 46 40
3 46 47 40
3 40 47 42
3 47 48 42
3 42 48 43
3 48 49 43
3 43 49 44
3 47 45 48
3 48 45 49
3 49 45 44
3 50 51 52
3 50 52 53
3 51 54 55
3 51 55 52
3 54 56 57
3 54 57 55
3 56 58 59
3 56 59 57
3 58 60 61
3 58 61 59
3 60 50 53
3 60 53 61
3 53 52 62
3 53 62 63
3 52 55 64
3 52 64 62
3 55 57 65
3 55 65 64
3 57 59 66
3 57 66 65
3 59 61 67
3 59 67 66
3 61 53 63
3 61 63 67
3 63 62 68
3 63 68 69
3 62 64 70
3 62 70 68
3 64 65 71
3 64 71 70
3 65 66 72
3 65 72 71
3 66 67 73
3 66 73 72
3 67 63 69
3 67 69 73
3 69 68 74
3 69 74 75
3 68 70 76
3 68 76 74
3 70 71 77
3 70 77 76
3 71 72 78
3 71 78 77
3 72 73 79
3 72 79 78
3 73 69 75
3 73 75 79
3 75 74 80
3 75 80 81
3 74 76 82
3 74 82 80
3 76 77 83
3 76 83 82
3 77 78 84
3 77 84 83
3 78 79 85
3 78 85 84
3 79 75 81
3 79 81 85
3 81 80 86
3 81 86 87
3 80 82 88
3 80 88 86
3 82 83 89
3 82 89 88
3 83 84 90
3 83 90 89
3 84 85 91
3 84 91 90
3 85 81 87
3 85 87 91
3 87 86 92
3 87 92 93
3 86 88 94
3 86 94 92
3 88 89 95
3 88 95 94
3 89 90 96
3 89 96 95
3 90 91 97
3 90 97 96
3 91 87 93
3 91 93 97
3 93 92 98
3 93 98 99
3 92 94 100
3 92 100 98
3 94 95 101
3 94 101 100
3 95 96 102
3 95 102 101
3 96 97 103
3 96 103 102
3 97 93 99
3 97 99 103
3 99 98 104
3 99 104 105
3 98 100 106
3 98 106 104
3 100 101 107
3 100 107 106
3 101 102 108
3 101 108 107
3 102 103 109
3 102 109 108
3 103 99 105
3 103 105 109
3 105 104 110
3 105 110 111
3 104 106 112
3 104 112 110
3 106 107 113
3 106 113 112
3 107 108 114
3 107 114 113
3 108 109 115
3 108 115 114
3 109 105 111
3 109 111 115
3 54 51 50
3 56 54 50
3 58 56 50
3 60 58 50
3 112 113 110
3 113 114 110
3 114 115 110
3 115 111 110
3 116 117 118
3 119 116 118
3 120 121 117
3 116 120 117
3 122 123 121
3 120 122 121
3 124 125 123
3 122 124 123
3 126 127 125
3 124 126 125
3 119 118 127
3 126 119 127
3 128 116 119
3 129 128 119
3 130 120 116
3 128 130 116
3 131 122 120
3 130 131 120
3 132 124 122
3 131 132 122
3 133 126 124
3 132 133 124
3 129 119 126
3 133 129 126
3 134 128 129
3 135 134 129
3 136 130 128
3 134 136 128
3 137 131 130
3 136 137 130
3 138 132 131
3 137 138 131
3 139 133 132
3 138 139 132
3 135 129 133
3 139 135 133
3 140 134 135
3 141 140 135
3 142 136 134
3 140 142 134
3 143 137 136
3 142 143 136
3 144 138 137
3 143 144 137
3 145 139 138
3 144 145 138
3 141 135 139

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