Rearranged the SerialPacket and serialization code
The serialization code is now using macros to simplify each line, and to prevent errors. It should be noted that, apart from the region content, the serialization and deserialization code is essentially identical.
This commit is contained in:
Kayne Ruse
+99
-128
@@ -25,85 +25,59 @@
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#include <cstring>
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//-------------------------
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//Convenience Macros
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//-------------------------
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#define SERIALIZE(buffer, data, size) memcpy(buffer, data, size); buffer += size;
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#define DESERIALIZE(buffer, data, size) memcpy(data, buffer, size); buffer += size;
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//-------------------------
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//internal serialization functions
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//-------------------------
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void serializeType(SerialPacket* packet, char* buffer) {
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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}
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void serializeServer(SerialPacket* packet, char* buffer) {
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//server info
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//Note: version info serialization goes here
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memcpy(buffer, packet->serverInfo.name, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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memcpy(buffer, &packet->serverInfo.playerCount, sizeof(int));
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buffer += sizeof(int);
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//map format
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memcpy(buffer, &packet->serverInfo.regionWidth, sizeof(int));
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buffer += sizeof(int);
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memcpy(buffer, &packet->serverInfo.regionHeight, sizeof(int));
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buffer += sizeof(int);
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memcpy(buffer, &packet->serverInfo.regionDepth, sizeof(int));
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SERIALIZE(buffer, &packet->serverInfo.networkVersion, sizeof(int));
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SERIALIZE(buffer, packet->serverInfo.name, PACKET_STRING_SIZE);
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SERIALIZE(buffer, &packet->serverInfo.playerCount, sizeof(int));
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}
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void serializeClient(SerialPacket* packet, char* buffer) {
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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memcpy(buffer, &packet->clientInfo.index, sizeof(int));
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}
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void serializePlayer(SerialPacket* packet, char* buffer) {
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//indexes
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memcpy(buffer, &packet->playerInfo.clientIndex, sizeof(int));
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buffer += sizeof(int);
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memcpy(buffer, &packet->playerInfo.playerIndex, sizeof(int));
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buffer += sizeof(int);
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SERIALIZE(buffer, &packet->clientInfo.clientIndex, sizeof(int));
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SERIALIZE(buffer, &packet->clientInfo.playerIndex, sizeof(int));
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//text
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memcpy(buffer, packet->playerInfo.handle, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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memcpy(buffer, packet->playerInfo.avatar, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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//vectors
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memcpy(buffer, &packet->playerInfo.position.x, sizeof(double));
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buffer += sizeof(double);
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memcpy(buffer, &packet->playerInfo.position.y, sizeof(double));
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buffer += sizeof(double);
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memcpy(buffer, &packet->playerInfo.motion.x, sizeof(double));
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buffer += sizeof(double);
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memcpy(buffer, &packet->playerInfo.motion.y, sizeof(double));
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//texts
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SERIALIZE(buffer, packet->clientInfo.player, PACKET_STRING_SIZE);
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SERIALIZE(buffer, packet->clientInfo.handle, PACKET_STRING_SIZE);
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SERIALIZE(buffer, packet->clientInfo.avatar, PACKET_STRING_SIZE);
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}
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void serializeRegionFormat(SerialPacket* packet, char* buffer) {
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//x & y
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memcpy(buffer, &packet->regionInfo.x, sizeof(int));
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buffer += sizeof(int);
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memcpy(buffer, &packet->regionInfo.y, sizeof(int));
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//format
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SERIALIZE(buffer, &packet->regionInfo.mapIndex, sizeof(int));
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SERIALIZE(buffer, &packet->regionInfo.x, sizeof(int));
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SERIALIZE(buffer, &packet->regionInfo.y, sizeof(int));
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}
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void serializeRegionContent(SerialPacket* packet, char* buffer) {
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//format
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memcpy(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//x & y
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*reinterpret_cast<int*>(buffer) = packet->regionInfo.region->GetX();
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buffer += sizeof(int);
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*reinterpret_cast<int*>(buffer) = packet->regionInfo.region->GetY();
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buffer += sizeof(int);
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//format
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SERIALIZE(buffer, &packet->regionInfo.mapIndex, sizeof(int));
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SERIALIZE(buffer, &packet->regionInfo.x, sizeof(int));
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SERIALIZE(buffer, &packet->regionInfo.y, sizeof(int));
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//content
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for (register int i = 0; i < REGION_WIDTH; i++) {
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@@ -116,92 +90,75 @@ void serializeRegionContent(SerialPacket* packet, char* buffer) {
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}
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}
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void serializePlayer(SerialPacket* packet, char* buffer) {
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SERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//indexes
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SERIALIZE(buffer, &packet->playerInfo.clientIndex, sizeof(int));
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SERIALIZE(buffer, &packet->playerInfo.playerIndex, sizeof(int));
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//vectors
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SERIALIZE(buffer, &packet->playerInfo.position.x, sizeof(double));
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SERIALIZE(buffer, &packet->playerInfo.position.y, sizeof(double));
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SERIALIZE(buffer, &packet->playerInfo.motion.x, sizeof(double));
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SERIALIZE(buffer, &packet->playerInfo.motion.y, sizeof(double));
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}
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//-------------------------
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//internal deserialization functions
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//-------------------------
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void deserializeType(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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}
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void deserializeServer(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//server info
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//Note: version info deserialization goes here
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memcpy(packet->serverInfo.name, buffer, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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memcpy(&packet->serverInfo.playerCount, buffer, sizeof(int));
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buffer += sizeof(int);
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//map format
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memcpy(&packet->serverInfo.regionWidth, buffer, sizeof(int));
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buffer += sizeof(int);
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memcpy(&packet->serverInfo.regionHeight, buffer, sizeof(int));
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buffer += sizeof(int);
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memcpy(&packet->serverInfo.regionDepth, buffer, sizeof(int));
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DESERIALIZE(buffer, &packet->serverInfo.networkVersion, sizeof(int));
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DESERIALIZE(buffer, packet->serverInfo.name, PACKET_STRING_SIZE);
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DESERIALIZE(buffer, &packet->serverInfo.playerCount, sizeof(int));
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}
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void deserializeClient(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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memcpy(&packet->clientInfo.index, buffer, sizeof(int));
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}
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void deserializePlayer(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//indexes
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memcpy(&packet->playerInfo.clientIndex, buffer, sizeof(int));
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buffer += sizeof(int);
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memcpy(&packet->playerInfo.playerIndex, buffer, sizeof(int));
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buffer += sizeof(int);
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DESERIALIZE(buffer, &packet->clientInfo.clientIndex, sizeof(int));
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DESERIALIZE(buffer, &packet->clientInfo.playerIndex, sizeof(int));
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//text
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memcpy(packet->playerInfo.handle, buffer, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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memcpy(packet->playerInfo.avatar, buffer, PACKET_STRING_SIZE);
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buffer += PACKET_STRING_SIZE;
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//vectors
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memcpy(&packet->playerInfo.position.x, buffer, sizeof(double));
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buffer += sizeof(double);
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memcpy(&packet->playerInfo.position.y, buffer, sizeof(double));
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buffer += sizeof(double);
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memcpy(&packet->playerInfo.motion.x, buffer, sizeof(double));
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buffer += sizeof(double);
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memcpy(&packet->playerInfo.motion.y, buffer, sizeof(double));
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//texts
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DESERIALIZE(buffer, packet->clientInfo.player, PACKET_STRING_SIZE);
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DESERIALIZE(buffer, packet->clientInfo.handle, PACKET_STRING_SIZE);
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DESERIALIZE(buffer, packet->clientInfo.avatar, PACKET_STRING_SIZE);
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}
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void deserializeRegionFormat(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//x & y
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memcpy(&packet->regionInfo.x, buffer, sizeof(int));
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buffer += sizeof(int);
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memcpy(&packet->regionInfo.y, buffer, sizeof(int));
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//format
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DESERIALIZE(buffer, &packet->regionInfo.mapIndex, sizeof(int));
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DESERIALIZE(buffer, &packet->regionInfo.x, sizeof(int));
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DESERIALIZE(buffer, &packet->regionInfo.y, sizeof(int));
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}
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void deserializeRegionContent(SerialPacket* packet, char* buffer) {
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memcpy(&packet->meta.type, buffer, sizeof(SerialPacket::Type));
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buffer += sizeof(SerialPacket::Type);
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//x & y
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memcpy(&packet->regionInfo.x, buffer, sizeof(int));
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buffer += sizeof(int);
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memcpy(&packet->regionInfo.y, buffer, sizeof(int));
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buffer += sizeof(int);
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//format
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DESERIALIZE(buffer, &packet->regionInfo.mapIndex, sizeof(int));
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DESERIALIZE(buffer, &packet->regionInfo.x, sizeof(int));
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DESERIALIZE(buffer, &packet->regionInfo.y, sizeof(int));
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//content
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//an object to work on
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BlankAllocator().Create(
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&packet->regionInfo.region,
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packet->regionInfo.x,
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packet->regionInfo.y
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);
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//content
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for (register int i = 0; i < REGION_WIDTH; i++) {
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for (register int j = 0; j < REGION_HEIGHT; j++) {
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for (register int k = 0; k < REGION_DEPTH; k++) {
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@@ -212,6 +169,20 @@ void deserializeRegionContent(SerialPacket* packet, char* buffer) {
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}
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}
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void deserializePlayer(SerialPacket* packet, char* buffer) {
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DESERIALIZE(buffer, &packet->meta.type, sizeof(SerialPacket::Type));
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//indexes
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DESERIALIZE(buffer, &packet->playerInfo.clientIndex, sizeof(int));
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DESERIALIZE(buffer, &packet->playerInfo.playerIndex, sizeof(int));
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//vectors
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DESERIALIZE(buffer, &packet->playerInfo.position.x, sizeof(double));
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DESERIALIZE(buffer, &packet->playerInfo.position.y, sizeof(double));
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DESERIALIZE(buffer, &packet->playerInfo.motion.x, sizeof(double));
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DESERIALIZE(buffer, &packet->playerInfo.motion.y, sizeof(double));
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}
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//-------------------------
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//the interface functions
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//-------------------------
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@@ -223,8 +194,6 @@ void serialize(SerialPacket* packet, void* buffer) {
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case SerialPacket::Type::PING:
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case SerialPacket::Type::PONG:
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case SerialPacket::Type::BROADCAST_REQUEST:
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case SerialPacket::Type::JOIN_REQUEST:
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case SerialPacket::Type::SYNCHRONIZE:
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serializeType(packet, reinterpret_cast<char*>(buffer));
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break;
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@@ -234,19 +203,14 @@ void serialize(SerialPacket* packet, void* buffer) {
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break;
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//Client info
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case SerialPacket::Type::JOIN_REQUEST:
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case SerialPacket::Type::JOIN_RESPONSE:
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case SerialPacket::Type::SYNCHRONIZE:
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case SerialPacket::Type::DISCONNECT:
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case SerialPacket::Type::SHUTDOWN:
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serializeClient(packet, reinterpret_cast<char*>(buffer));
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break;
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//Player info
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case SerialPacket::Type::PLAYER_NEW:
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case SerialPacket::Type::PLAYER_DELETE:
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case SerialPacket::Type::PLAYER_UPDATE:
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serializePlayer(packet, reinterpret_cast<char*>(buffer));
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break;
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//region info
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case SerialPacket::Type::REGION_REQUEST:
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serializeRegionFormat(packet, reinterpret_cast<char*>(buffer));
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@@ -255,6 +219,13 @@ void serialize(SerialPacket* packet, void* buffer) {
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case SerialPacket::Type::REGION_CONTENT:
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serializeRegionContent(packet, reinterpret_cast<char*>(buffer));
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break;
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//Player info
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case SerialPacket::Type::PLAYER_NEW:
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case SerialPacket::Type::PLAYER_DELETE:
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case SerialPacket::Type::PLAYER_UPDATE:
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serializePlayer(packet, reinterpret_cast<char*>(buffer));
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break;
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}
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}
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@@ -267,8 +238,6 @@ void deserialize(SerialPacket* packet, void* buffer) {
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case SerialPacket::Type::PING:
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case SerialPacket::Type::PONG:
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case SerialPacket::Type::BROADCAST_REQUEST:
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case SerialPacket::Type::JOIN_REQUEST:
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case SerialPacket::Type::SYNCHRONIZE:
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//NOTHING
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break;
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@@ -278,19 +247,14 @@ void deserialize(SerialPacket* packet, void* buffer) {
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break;
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//Client info
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case SerialPacket::Type::JOIN_REQUEST:
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case SerialPacket::Type::JOIN_RESPONSE:
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case SerialPacket::Type::SYNCHRONIZE:
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case SerialPacket::Type::DISCONNECT:
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case SerialPacket::Type::SHUTDOWN:
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deserializeClient(packet, reinterpret_cast<char*>(buffer));
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break;
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//Player info
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case SerialPacket::Type::PLAYER_NEW:
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case SerialPacket::Type::PLAYER_DELETE:
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case SerialPacket::Type::PLAYER_UPDATE:
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deserializePlayer(packet, reinterpret_cast<char*>(buffer));
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break;
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//region info
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case SerialPacket::Type::REGION_REQUEST:
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deserializeRegionFormat(packet, reinterpret_cast<char*>(buffer));
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@@ -299,5 +263,12 @@ void deserialize(SerialPacket* packet, void* buffer) {
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case SerialPacket::Type::REGION_CONTENT:
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deserializeRegionContent(packet, reinterpret_cast<char*>(buffer));
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break;
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//Player info
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case SerialPacket::Type::PLAYER_NEW:
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case SerialPacket::Type::PLAYER_DELETE:
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case SerialPacket::Type::PLAYER_UPDATE:
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deserializePlayer(packet, reinterpret_cast<char*>(buffer));
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break;
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}
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}
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@@ -27,10 +27,10 @@
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/* NOTE: Keep the PACKET_BUFFER_SIZE up to date
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* NOTE: REGION_CONTENT is currently the largest type of packet
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* map content: REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizoeof(region::type_t)
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* map format: sizeof(int) * 2
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* map format: sizeof(int) * 3
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* metadata: sizeof(metadata)
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*/
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#define PACKET_BUFFER_SIZE REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + sizeof(int) * 2 + sizeof(SerialPacket::Metadata)
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#define PACKET_BUFFER_SIZE REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + sizeof(int) * 3 + sizeof(SerialPacket::Metadata)
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void serialize(SerialPacket* const, void*);
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void deserialize(SerialPacket* const, void*);
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@@ -27,6 +27,7 @@
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#include "SDL/SDL_net.h"
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#define NETWORK_VERSION 20140426
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#define PACKET_STRING_SIZE 100
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#pragma pack(push, 0)
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@@ -49,23 +50,23 @@ union SerialPacket {
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JOIN_REQUEST = 5,
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JOIN_RESPONSE = 6,
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//disconnect from the server
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DISCONNECT = 7,
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//mass update
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SYNCHRONIZE = 8,
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SYNCHRONIZE = 7,
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//disconnect from the server
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DISCONNECT = 8,
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//shut down the server
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SHUTDOWN = 9,
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//Player movement, etc.
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PLAYER_NEW = 10,
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PLAYER_DELETE = 11,
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PLAYER_UPDATE = 12,
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//map data
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REGION_REQUEST = 13,
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REGION_CONTENT = 14,
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REGION_REQUEST = 10,
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REGION_CONTENT = 11,
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//Player movement, etc.
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PLAYER_NEW = 12,
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PLAYER_DELETE = 13,
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PLAYER_UPDATE = 14,
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//TODO: combat packets
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};
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@@ -79,42 +80,38 @@ union SerialPacket {
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//information about the server
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struct ServerInformation {
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Metadata meta;
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//TODO: version info
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int networkVersion;
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char name[PACKET_STRING_SIZE];
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int playerCount;
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//map format
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int regionWidth;
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int regionHeight;
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int regionDepth;
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}serverInfo;
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//information about the client
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//TODO: login credentials
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struct ClientInformation {
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Metadata meta;
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int index;
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int clientIndex;
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int playerIndex;
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char player[PACKET_STRING_SIZE];
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char handle[PACKET_STRING_SIZE];
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char avatar[PACKET_STRING_SIZE];
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}clientInfo;
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//map data
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struct RegionInformation {
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Metadata meta;
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int mapIndex;
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int x, y;
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Region* region;
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}regionInfo;
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//information about a player
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struct PlayerInformation {
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Metadata meta;
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int clientIndex;
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int playerIndex;
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//TODO: should move handle/avatar into clientInfo; these might actually do better during the login system
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char handle[PACKET_STRING_SIZE];
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char avatar[PACKET_STRING_SIZE];
|
||||
Vector2 position;
|
||||
Vector2 motion;
|
||||
}playerInfo;
|
||||
|
||||
//map data
|
||||
struct RegionInformation {
|
||||
Metadata meta;
|
||||
int x, y;
|
||||
Region* region;
|
||||
}regionInfo;
|
||||
|
||||
//defaults
|
||||
SerialPacket() {
|
||||
meta.type = Type::NONE;
|
||||
|
||||
Reference in New Issue
Block a user