1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef NVBLASTEXTPXASSET_H
#define NVBLASTEXTPXASSET_H
#include "NvBlastTkFramework.h"
#include "PxConvexMeshGeometry.h"
#include "PxTransform.h"
#include "NvBlastPreprocessor.h"
// Forward declarations
namespace physx
{
class PxCooking;
namespace general_PxIOStream2
{
class PxFileBuf;
}
}
namespace Nv
{
namespace Blast
{
/**
Descriptor for PxAsset creation.
PxAsset creates TkAsset internally, so TkAssetDesc must be filled.
In addition it needs physics chunks data. Every chunk can have any amount of Convexes (Subchunks).
*/
struct ExtPxAssetDesc : public TkAssetDesc
{
/**
Physics Subchunk.
Represents convex and it's position.
*/
struct SubchunkDesc
{
physx::PxTransform transform; //!< convex local transform
physx::PxConvexMeshGeometry geometry; //!< convex geometry
};
/**
Physics Chunk.
Contains any amount of subchunks. Empty subchunks array makes chunk invisible.
*/
struct ChunkDesc
{
SubchunkDesc* subchunks; //!< array of subchunks for chunk, can be empty
uint32_t subchunkCount; //!< size array of subchunks for chunk, can be 0
bool isStatic; //!< is chunk static. Static chunk makes PxActor Kinematic.
};
ChunkDesc* pxChunks; //!< array of chunks in asset, should be of size chunkCount (@see NvBlastAssetDesc)
};
/**
Physics Subchunk.
Represents convex and it's local position.
*/
struct ExtPxSubchunk
{
physx::PxTransform transform; //!< convex local transform
physx::PxConvexMeshGeometry geometry; //!< convex geometry
};
/**
Physics Chunk.
Contains any amount of subchunks.
*/
struct ExtPxChunk
{
uint32_t firstSubchunkIndex; //!< first Subchunk index in Subchunk's array in ExtPhyicsAsset
uint32_t subchunkCount; //!< Subchunk count. Can be 0.
bool isStatic; //!< is chunk static (kinematic)?.
};
/**
Asset.
Keeps all the static data needed for physics.
*/
class NV_DLL_EXPORT ExtPxAsset
{
public:
/**
Create a new ExtPxAsset.
\param[in] desc The ExtPxAssetDesc descriptor to be used, @see ExtPxAssetDesc.
\param[in] framework The TkFramework instance to be used to create TkAsset.
\return the new ExtPxAsset if successful, NULL otherwise.
*/
static ExtPxAsset* create(const ExtPxAssetDesc& desc, TkFramework& framework);
/*
Factory method for deserialization
Doesn't specify chunks or subchunks as they'll be fed in during deserialization to avoid copying stuff around.
*/
static ExtPxAsset* create(TkAsset* asset);
/**
Deserialize an ExtPxAsset object from the given stream.
\param[in] stream User-defined stream object.
\param[in] framework The TkFramework instance to be used to deserialize TkAsset.
\param[in] physics The PxPhysics instance to be to deserialize PxConvexMesh(s).
\return pointer the deserialized ExtPxAsset object if successful, or NULL if unsuccessful.
*/
static ExtPxAsset* deserialize(physx::general_PxIOStream2::PxFileBuf& stream, TkFramework& framework, physx::PxPhysics& physics);
/**
Release this ExtPxAsset.
*/
virtual void release() = 0;
/**
Write the asset's data to the user-defined PxFileBuf stream. Underlying TkAsset would be also serialized.
\param[in] stream User-defined stream object.
\param[in] cooking The PxCooking instance to be used to serialize PxConvexMesh(s).
\return true if serialization was successful, false otherwise.
*/
virtual bool serialize(physx::general_PxIOStream2::PxFileBuf& stream, physx::PxCooking& cooking) const = 0;
/**
Every ExtPxAsset has corresponding TkAsset.
/return a pointer to TkAsset actor.
*/
virtual const TkAsset& getTkAsset() const = 0;
/**
Get the number of chunks for this asset. May be used in conjunction with getChunks().
\return the number of chunks for the asset.
*/
virtual uint32_t getChunkCount() const = 0;
/**
Access asset's array of chunks. Use getChunkCount() to get the size of this array.
\return a pointer to an array of chunk of an asset.
*/
virtual const ExtPxChunk* getChunks() const = 0;
/**
Get the number of subchunks for this asset. May be used in conjunction with getSubchunks().
Subchunk count is the maximum value of ExtPxChunk: (firstSubchunkIndex + subchunkCount).
\return the number of subchunks for the asset.
*/
virtual uint32_t getSubchunkCount() const = 0;
/**
Access asset's array of subchunks. Use getSubchunkCount() to get the size of this array.
\return a pointer to an array of subchunks of an asset.
*/
virtual const ExtPxSubchunk* getSubchunks() const = 0;
/**
Pointer field available to the user.
*/
void* userData;
};
} // namespace Blast
} // namespace Nv
#endif // ifndef NVBLASTEXTPXASSET_H
|