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https://github.com/bulletphysics/bullet3
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91 lines
2.1 KiB
C++
91 lines
2.1 KiB
C++
#ifndef SHARED_MEMORY_USER_DATA_H
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#define SHARED_MEMORY_USER_DATA_H
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#include <string>
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#include "LinearMath/btAlignedObjectArray.h"
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#include "LinearMath/btHashMap.h"
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#include "SharedMemoryPublic.h"
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struct SharedMemoryUserData
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{
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std::string m_key;
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int m_type;
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int m_bodyUniqueId;
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int m_linkIndex;
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int m_visualShapeIndex;
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btAlignedObjectArray<char> m_bytes;
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SharedMemoryUserData()
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:m_type(-1), m_bodyUniqueId(-1), m_linkIndex(-1), m_visualShapeIndex(-1)
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{
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}
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SharedMemoryUserData(const char* key, int bodyUniqueId, int linkIndex, int visualShapeIndex)
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:m_key(key), m_type(-1), m_bodyUniqueId(bodyUniqueId), m_linkIndex(linkIndex), m_visualShapeIndex(visualShapeIndex)
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{
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}
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void replaceValue(const char* bytes, int len, int type)
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{
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m_type = type;
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m_bytes.resize(len);
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for (int i=0;i<len;i++)
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{
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m_bytes[i] = bytes[i];
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}
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}
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virtual ~SharedMemoryUserData()
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{
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}
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void clear()
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{
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m_bytes.clear();
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m_type = -1;
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}
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};
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struct SharedMemoryUserDataHashKey {
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unsigned int m_hash;
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btHashString m_key;
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btHashInt m_bodyUniqueId;
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btHashInt m_linkIndex;
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btHashInt m_visualShapeIndex;
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SIMD_FORCE_INLINE unsigned int getHash()const {
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return m_hash;
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}
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SharedMemoryUserDataHashKey() : m_hash(0) {}
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SharedMemoryUserDataHashKey(const struct SharedMemoryUserData *userData)
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: m_key(userData->m_key.c_str()),
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m_bodyUniqueId(userData->m_bodyUniqueId),
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m_linkIndex(userData->m_linkIndex),
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m_visualShapeIndex(userData->m_visualShapeIndex) {
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calculateHash();
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}
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SharedMemoryUserDataHashKey(const char *key, int bodyUniqueId, int linkIndex, int visualShapeIndex)
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: m_key(key), m_bodyUniqueId(bodyUniqueId), m_linkIndex(linkIndex), m_visualShapeIndex(visualShapeIndex) {
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calculateHash();
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}
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void calculateHash() {
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m_hash = m_key.getHash() ^ m_bodyUniqueId.getHash() ^ m_linkIndex.getHash() ^ m_visualShapeIndex.getHash();
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}
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bool equals(const SharedMemoryUserDataHashKey& other) const {
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return m_bodyUniqueId.equals(other.m_bodyUniqueId) &&
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m_linkIndex.equals(other.m_linkIndex) &&
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m_visualShapeIndex.equals(other.m_visualShapeIndex) &&
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m_key.equals(other.m_key);
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}
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};
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#endif //SHARED_MEMORY_USER_DATA_H
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