[167] | 1 | #include "GuiUpdater.h" |
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| 2 | |
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| 3 | |
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| 4 | GuiUpdater::GuiUpdater(int port, hostent *serv) |
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| 5 | { |
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| 6 | portno = port; |
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| 7 | server = serv; |
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| 8 | } |
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| 9 | |
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| 10 | |
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| 11 | GuiUpdater::~GuiUpdater() |
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| 12 | { |
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| 13 | |
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| 14 | } |
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| 15 | |
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| 16 | |
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| 17 | void GuiUpdater::init() |
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| 18 | { |
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| 19 | char buffer[256]; |
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| 20 | int n; |
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| 21 | |
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| 22 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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| 23 | |
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| 24 | if (sockfd < 0) { |
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| 25 | printf("Error opening socket\n"); |
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| 26 | exit(0); |
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| 27 | } |
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| 28 | |
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| 29 | if (server == NULL) { |
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| 30 | printf("Error, no such host\n"); |
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| 31 | exit(0); |
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| 32 | } |
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| 33 | |
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| 34 | memset((char *) &serv_addr, 0, sizeof(serv_addr)); |
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| 35 | serv_addr.sin_family = AF_INET; |
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| 36 | memcpy((char *)&serv_addr.sin_addr.s_addr, |
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| 37 | (char *)server->h_addr, |
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| 38 | server->h_length); |
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| 39 | serv_addr.sin_port = htons(portno); |
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| 40 | |
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| 41 | if (connect(sockfd,(struct sockaddr*) &serv_addr,sizeof(serv_addr)) < 0) { |
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| 42 | printf("Error connecting!\n"); |
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| 43 | exit(0); |
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| 44 | } |
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| 45 | |
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| 46 | // astept mesaj de la server |
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| 47 | memset(buffer, 0, 256); |
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| 48 | n = recv(sockfd, buffer, 255, 0); |
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| 49 | |
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| 50 | if (n < 0) { |
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| 51 | printf("Error reading from socket!\n"); |
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| 52 | exit(0); |
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| 53 | } |
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| 54 | |
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| 55 | printf("[SRV]%s\n", buffer); |
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| 56 | |
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| 57 | } |
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| 58 | |
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| 59 | void GuiUpdater::receiveData(int sock, void* buffer, size_t size) |
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| 60 | { |
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| 61 | size_t total; |
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| 62 | int ret; |
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| 63 | |
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| 64 | for (total = 0; total < size; total += ret) { |
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| 65 | ret = recv(sock, (char *) buffer + total, size - total, 0); |
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| 66 | if (ret <= 0) { |
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| 67 | perror("recv"); |
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| 68 | exit(-1); |
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| 69 | } |
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| 70 | } |
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| 71 | } |
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| 72 | |
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| 73 | void* GuiUpdater::unpackInt(void *buffer, int &a) |
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| 74 | { |
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| 75 | int *buff = (int *) buffer; |
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| 76 | a = *buff ++; |
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| 77 | |
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| 78 | return buff; |
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| 79 | } |
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| 80 | |
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| 81 | void* GuiUpdater::unpackScalar(void *buffer, btScalar &a) |
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| 82 | { |
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| 83 | float *buff = (float *) buffer; |
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| 84 | a = *buff ++; |
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| 85 | |
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| 86 | return buff; |
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| 87 | } |
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| 88 | |
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| 89 | void* GuiUpdater::unpackVector3(void *buffer, btVector3 &v) |
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| 90 | { |
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| 91 | btScalar a; |
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| 92 | |
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| 93 | buffer = unpackScalar(buffer, a); |
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| 94 | v.setX(a); |
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| 95 | buffer = unpackScalar(buffer, a); |
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| 96 | v.setY(a); |
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| 97 | buffer = unpackScalar(buffer, a); |
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| 98 | v.setZ(a); |
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| 99 | |
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| 100 | return buffer; |
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| 101 | } |
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| 102 | |
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| 103 | void* GuiUpdater::unpackMatrix3x3(void *buffer, btMatrix3x3 &m) |
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| 104 | { |
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| 105 | btVector3 v; |
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| 106 | |
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| 107 | for (int i = 0; i < 3; ++ i) { |
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| 108 | buffer = unpackVector3(buffer, m[i]); |
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| 109 | } |
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| 110 | |
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| 111 | return buffer; |
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| 112 | } |
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| 113 | |
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| 114 | void GuiUpdater::unpackAddData(void *buffer, int n, map<int,guiAddData *> &addObjects) |
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| 115 | { |
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| 116 | for (int i = 0; i < n; ++ i) { |
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| 117 | guiAddData *obj = new guiAddData; |
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| 118 | int j; |
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| 119 | |
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| 120 | buffer = unpackInt(buffer, obj->id); |
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| 121 | buffer = unpackInt(buffer, obj->numIndices); |
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| 122 | |
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| 123 | obj->indexPointer = new int [obj->numIndices]; |
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| 124 | for (j = 0; j < obj->numIndices; ++ j) { |
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| 125 | buffer = unpackInt(buffer, obj->indexPointer[j]); |
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| 126 | } |
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| 127 | |
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| 128 | buffer = unpackInt(buffer, obj->numVertices); |
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| 129 | obj->vertexPointer = new btVector3 [obj->numVertices]; |
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| 130 | for (j = 0; j < obj->numVertices; ++ j) { |
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| 131 | buffer = unpackVector3(buffer, obj->vertexPointer[j]); |
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| 132 | } |
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| 133 | |
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| 134 | addObjects[obj->id] = obj; |
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| 135 | } |
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| 136 | } |
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| 137 | |
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| 138 | void GuiUpdater::unpackUpdateData(void *buffer, int n, map<int, guiUpdateData *> &updateObjects) |
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| 139 | { |
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| 140 | for (int i = 0; i < n; ++ i) { |
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| 141 | guiUpdateData *obj = new guiUpdateData; |
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| 142 | int j; |
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| 143 | |
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| 144 | buffer = unpackInt(buffer, obj->id); |
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| 145 | |
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| 146 | for (j = 0; j < 16; ++ j) { |
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| 147 | buffer = unpackScalar(buffer, obj->m[j]); |
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| 148 | } |
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| 149 | |
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| 150 | buffer = unpackMatrix3x3(buffer, obj->rot); |
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| 151 | |
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| 152 | buffer = unpackVector3(buffer, obj->aabbMin); |
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| 153 | |
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| 154 | buffer = unpackVector3(buffer, obj->aabbMax); |
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| 155 | |
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| 156 | updateObjects[obj->id] = obj; |
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| 157 | } |
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| 158 | } |
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| 159 | |
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| 160 | void GuiUpdater::applyChanges(map<int, guiAddData *> addObjects, map<int, guiUpdateData *> updateObjects, int *removeObjects, int remObjNum) |
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| 161 | { |
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| 162 | // getchar(); |
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| 163 | map<int, guiAddData *>::iterator it_add = addObjects.begin(); |
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| 164 | for ( ; it_add != addObjects.end(); it_add ++) { |
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| 165 | // printf("[%d]\n", addObjects.coun); |
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| 166 | if (m_cache.find(it_add->first) != m_cache.end()) { |
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| 167 | printf("Adding existing object\n"); |
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| 168 | exit(-1); |
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| 169 | } |
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| 170 | |
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| 171 | guiObject *obj = new guiObject; |
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| 172 | obj->ad = it_add->second; |
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| 173 | if (m_cache[it_add->second->id]) delete m_cache[it_add->second->id]; |
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| 174 | m_cache[it_add->second->id] = obj; |
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| 175 | } |
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| 176 | |
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| 177 | map<int, guiUpdateData *>::iterator it_update = updateObjects.begin(); |
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| 178 | for ( ; it_update != updateObjects.end(); it_update ++) { |
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| 179 | if (m_cache.find(it_update->first) != m_cache.end()) { |
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| 180 | guiObject *obj = m_cache.find(it_update->first)->second; |
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| 181 | obj->ud = it_update->second; |
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| 182 | } else { |
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| 183 | printf("Updating missing object\n"); |
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| 184 | // exit(-1); |
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| 185 | } |
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| 186 | } |
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| 187 | |
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| 188 | map<int, guiObject *>::iterator it; |
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| 189 | for (int i = 0; i < remObjNum; ++ i) { |
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| 190 | it = m_cache.find(removeObjects[i]); |
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| 191 | if (it != m_cache.end()) { |
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| 192 | delete it->second; |
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| 193 | m_cache.erase(it); |
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| 194 | } |
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| 195 | } |
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| 196 | } |
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| 197 | |
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| 198 | int GuiUpdater::update() |
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| 199 | { |
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| 200 | map<int, guiAddData *> addObjects; |
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| 201 | map<int, guiUpdateData *> updateObjects; |
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| 202 | int *removeObjects; |
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| 203 | |
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| 204 | // char buffer[256]; |
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| 205 | char ask = 'a'; |
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| 206 | int n; |
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| 207 | |
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| 208 | n = send(sockfd,(const void*) &ask,1, 0); |
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| 209 | if (n < 0) { |
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| 210 | printf("Error writing to socket!\n"); |
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| 211 | exit(0); |
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| 212 | } |
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| 213 | |
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| 214 | |
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| 215 | int size; |
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| 216 | |
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| 217 | // receive add objects |
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| 218 | receiveData(sockfd, (void *) &n, sizeof(int)); |
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| 219 | receiveData(sockfd, (void *) &size, sizeof(int)); |
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| 220 | |
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| 221 | |
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| 222 | void *buffer = new char [size]; |
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| 223 | receiveData(sockfd, (void *) buffer, size); |
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| 224 | unpackAddData(buffer, n, addObjects); |
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| 225 | delete [] (char *) buffer; |
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| 226 | printf("added object no = %d (%d)\n", (int) addObjects.size(), n); |
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| 227 | |
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| 228 | // receive update objects |
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| 229 | receiveData(sockfd, (void *) &n, sizeof(int)); |
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| 230 | receiveData(sockfd, (void *) &size, sizeof(int)); |
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| 231 | buffer = new char [size]; |
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| 232 | receiveData(sockfd, (void *) buffer, size); |
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| 233 | unpackUpdateData(buffer, n, updateObjects); |
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| 234 | delete [] (char *) buffer; |
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| 235 | |
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| 236 | printf("updated object no = %d (%d)\n", (int) updateObjects.size(), n); |
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| 237 | map<int, guiUpdateData *>::iterator it = updateObjects.begin(); |
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| 238 | for ( ; it != updateObjects.end(); it ++) { |
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| 239 | for (int j = 0; j < 16; ++ j) { |
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| 240 | // buffer = unpackScalar(buffer, obj->m[j]); |
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| 241 | printf("TEST %d, %d: %f\n", j, it->first, it->second->m[j]); |
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| 242 | } |
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| 243 | } |
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| 244 | |
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| 245 | // receive remove objects |
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| 246 | receiveData(sockfd, (void *) &n, sizeof(int)); |
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| 247 | removeObjects = new int[n]; // the number of objects (object ids in this case) |
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| 248 | receiveData(sockfd, (void *) &size, sizeof(int)); |
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| 249 | buffer = new char [size]; |
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| 250 | receiveData(sockfd, (void *) buffer, size); |
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| 251 | |
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| 252 | for (int i = 0; i < n; ++ i) { |
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| 253 | buffer = unpackInt(buffer, removeObjects[i]); |
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| 254 | } |
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| 255 | |
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| 256 | delete [] (int *) buffer; |
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| 257 | |
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| 258 | applyChanges(addObjects, updateObjects, removeObjects, n); |
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| 259 | |
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| 260 | // gd = new guiUpdateData[n]; |
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| 261 | // receiveData(sockfd, (void *) gd, sizeof(guiUpdateData) * n); |
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| 262 | |
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| 263 | return n; |
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| 264 | } |
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| 265 | |
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| 266 | |
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| 267 | |
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| 268 | |
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| 269 | |
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