[1378] | 1 | #include "dxstdafx.h"
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| 2 | #include <stdio.h>
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| 3 | #include "NxPhysics.h"
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| 4 | #include "Stream.h"
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| 5 |
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| 6 | UserStream::UserStream(const char* filename, bool load) : fp(NULL)
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| 7 | {
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| 8 | fp = fopen(filename, load ? "rb" : "wb");
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| 9 | }
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| 10 |
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| 11 | UserStream::~UserStream()
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| 12 | {
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| 13 | if(fp) fclose(fp);
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| 14 | }
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| 15 |
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| 16 | // Loading API
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| 17 | NxU8 UserStream::readByte() const
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| 18 | {
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| 19 | NxU8 b;
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| 20 | size_t r = fread(&b, sizeof(NxU8), 1, fp);
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| 21 | NX_ASSERT(r);
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| 22 | return b;
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| 23 | }
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| 24 |
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| 25 | NxU16 UserStream::readWord() const
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| 26 | {
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| 27 | NxU16 w;
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| 28 | size_t r = fread(&w, sizeof(NxU16), 1, fp);
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| 29 | NX_ASSERT(r);
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| 30 | return w;
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| 31 | }
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| 32 |
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| 33 | NxU32 UserStream::readDword() const
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| 34 | {
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| 35 | NxU32 d;
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| 36 | size_t r = fread(&d, sizeof(NxU32), 1, fp);
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| 37 | NX_ASSERT(r);
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| 38 | return d;
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| 39 | }
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| 40 |
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| 41 | float UserStream::readFloat() const
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| 42 | {
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| 43 | NxReal f;
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| 44 | size_t r = fread(&f, sizeof(NxReal), 1, fp);
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| 45 | NX_ASSERT(r);
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| 46 | return f;
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| 47 | }
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| 48 |
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| 49 | double UserStream::readDouble() const
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| 50 | {
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| 51 | NxF64 f;
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| 52 | size_t r = fread(&f, sizeof(NxF64), 1, fp);
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| 53 | NX_ASSERT(r);
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| 54 | return f;
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| 55 | }
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| 56 |
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| 57 | void UserStream::readBuffer(void* buffer, NxU32 size) const
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| 58 | {
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| 59 | size_t w = fread(buffer, size, 1, fp);
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| 60 | NX_ASSERT(w);
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| 61 | }
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| 62 |
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| 63 | // Saving API
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| 64 | NxStream& UserStream::storeByte(NxU8 b)
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| 65 | {
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| 66 | size_t w = fwrite(&b, sizeof(NxU8), 1, fp);
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| 67 | NX_ASSERT(w);
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| 68 | return *this;
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| 69 | }
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| 70 |
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| 71 | NxStream& UserStream::storeWord(NxU16 w)
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| 72 | {
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| 73 | size_t ww = fwrite(&w, sizeof(NxU16), 1, fp);
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| 74 | NX_ASSERT(ww);
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| 75 | return *this;
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| 76 | }
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| 77 |
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| 78 | NxStream& UserStream::storeDword(NxU32 d)
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| 79 | {
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| 80 | size_t w = fwrite(&d, sizeof(NxU32), 1, fp);
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| 81 | NX_ASSERT(w);
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| 82 | return *this;
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| 83 | }
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| 84 |
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| 85 | NxStream& UserStream::storeFloat(NxReal f)
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| 86 | {
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| 87 | size_t w = fwrite(&f, sizeof(NxReal), 1, fp);
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| 88 | NX_ASSERT(w);
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| 89 | return *this;
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| 90 | }
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| 91 |
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| 92 | NxStream& UserStream::storeDouble(NxF64 f)
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| 93 | {
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| 94 | size_t w = fwrite(&f, sizeof(NxF64), 1, fp);
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| 95 | NX_ASSERT(w);
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| 96 | return *this;
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| 97 | }
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| 98 |
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| 99 | NxStream& UserStream::storeBuffer(const void* buffer, NxU32 size)
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| 100 | {
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| 101 | size_t w = fwrite(buffer, size, 1, fp);
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| 102 | NX_ASSERT(w);
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| 103 | return *this;
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| 104 | }
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| 105 |
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| 106 |
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| 107 |
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| 108 |
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| 109 | MemoryWriteBuffer::MemoryWriteBuffer() : currentSize(0), maxSize(0), data(NULL)
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| 110 | {
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| 111 | }
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| 112 |
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| 113 | MemoryWriteBuffer::~MemoryWriteBuffer()
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| 114 | {
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| 115 | if(data!=NULL)
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| 116 | {
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| 117 | delete[] data;
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| 118 | data=NULL;
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | void MemoryWriteBuffer::clear()
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| 123 | {
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| 124 | currentSize = 0;
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| 125 | }
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| 126 |
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| 127 | NxStream& MemoryWriteBuffer::storeByte(NxU8 b)
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| 128 | {
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| 129 | storeBuffer(&b, sizeof(NxU8));
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| 130 | return *this;
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| 131 | }
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| 132 | NxStream& MemoryWriteBuffer::storeWord(NxU16 w)
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| 133 | {
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| 134 | storeBuffer(&w, sizeof(NxU16));
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| 135 | return *this;
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| 136 | }
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| 137 | NxStream& MemoryWriteBuffer::storeDword(NxU32 d)
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| 138 | {
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| 139 | storeBuffer(&d, sizeof(NxU32));
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| 140 | return *this;
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| 141 | }
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| 142 | NxStream& MemoryWriteBuffer::storeFloat(NxReal f)
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| 143 | {
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| 144 | storeBuffer(&f, sizeof(NxReal));
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| 145 | return *this;
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| 146 | }
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| 147 | NxStream& MemoryWriteBuffer::storeDouble(NxF64 f)
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| 148 | {
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| 149 | storeBuffer(&f, sizeof(NxF64));
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| 150 | return *this;
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| 151 | }
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| 152 | NxStream& MemoryWriteBuffer::storeBuffer(const void* buffer, NxU32 size)
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| 153 | {
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| 154 | NxU32 expectedSize = currentSize + size;
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| 155 | if(expectedSize > maxSize)
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| 156 | {
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| 157 | maxSize = expectedSize + 4096;
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| 158 |
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| 159 | NxU8* newData = new NxU8[maxSize];
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| 160 | NX_ASSERT(newData!=NULL);
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| 161 |
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| 162 | if(data)
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| 163 | {
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| 164 | memcpy(newData, data, currentSize);
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| 165 | delete[] data;
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| 166 | }
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| 167 | data = newData;
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| 168 | }
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| 169 | memcpy(data+currentSize, buffer, size);
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| 170 | currentSize += size;
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| 171 | return *this;
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| 172 | }
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| 173 |
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| 174 |
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| 175 | MemoryReadBuffer::MemoryReadBuffer(const NxU8* data) : buffer(data)
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| 176 | {
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| 177 | }
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| 178 |
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| 179 | MemoryReadBuffer::~MemoryReadBuffer()
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| 180 | {
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| 181 | // We don't own the data => no delete
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| 182 | }
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| 183 |
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| 184 | NxU8 MemoryReadBuffer::readByte() const
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| 185 | {
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| 186 | NxU8 b;
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| 187 | memcpy(&b, buffer, sizeof(NxU8));
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| 188 | buffer += sizeof(NxU8);
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| 189 | return b;
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| 190 | }
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| 191 |
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| 192 | NxU16 MemoryReadBuffer::readWord() const
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| 193 | {
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| 194 | NxU16 w;
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| 195 | memcpy(&w, buffer, sizeof(NxU16));
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| 196 | buffer += sizeof(NxU16);
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| 197 | return w;
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| 198 | }
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| 199 |
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| 200 | NxU32 MemoryReadBuffer::readDword() const
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| 201 | {
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| 202 | NxU32 d;
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| 203 | memcpy(&d, buffer, sizeof(NxU32));
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| 204 | buffer += sizeof(NxU32);
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| 205 | return d;
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| 206 | }
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| 207 |
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| 208 | float MemoryReadBuffer::readFloat() const
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| 209 | {
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| 210 | float f;
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| 211 | memcpy(&f, buffer, sizeof(float));
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| 212 | buffer += sizeof(float);
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| 213 | return f;
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| 214 | }
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| 215 |
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| 216 | double MemoryReadBuffer::readDouble() const
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| 217 | {
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| 218 | double f;
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| 219 | memcpy(&f, buffer, sizeof(double));
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| 220 | buffer += sizeof(double);
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| 221 | return f;
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| 222 | }
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| 223 |
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| 224 | void MemoryReadBuffer::readBuffer(void* dest, NxU32 size) const
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| 225 | {
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| 226 | memcpy(dest, buffer, size);
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| 227 | buffer += size;
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| 228 | }
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