barra/Client-Side-Prediction-Test
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UDP data going back and forth

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Barra Ó Catháin
2023-07-06 00:22:59 +01:00
committed by Barry Kane
parent 3a0931877a
commit 4b30e064da
4 changed files with 51 additions and 62 deletions
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37
src/client/cspt-client.c
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@ -61,12 +61,14 @@ void * graphicsThreadHandler(void * parameters)
struct gameState * state = (struct gameState *)parameters;
uint32_t rendererFlags = SDL_RENDERER_ACCELERATED;
int udpSocket = 0;
struct sockaddr_in recieveAddress;
struct sockaddr_in recieveAddress, serverAddress;
struct clientInput message;
message.right = true;
message.clientNumber = 1;
// Set our IP address and port. Default to localhost for testing:
recieveAddress.sin_family = AF_INET;
recieveAddress.sin_addr.s_addr = INADDR_ANY;
recieveAddress.sin_port = htons(5200);
serverAddress.sin_family = AF_INET;
serverAddress.sin_addr.s_addr = inet_addr("127.0.0.1");
serverAddress.sin_port = htons(5200);
udpSocket = socket(AF_INET, SOCK_DGRAM, 0);
@ -77,15 +79,19 @@ void * graphicsThreadHandler(void * parameters)
// Enable resizing the window:
SDL_SetWindowResizable(window, SDL_TRUE);
state->clients[0].xPosition = 300;
state->clients[0].yPosition = 300;
bind(udpSocket, (struct sockaddr *)&recieveAddress, sizeof(struct sockaddr));
// state->clients[0].xPosition = 300;
// state->clients[0].yPosition = 300;
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000;
setsockopt(udpSocket, SOL_SOCKET, SO_RCVTIMEO,&tv,sizeof(tv));
while (true)
{
recvfrom(udpSocket, state, sizeof(struct gameState), 0, NULL, NULL);
sendto(udpSocket, &message, sizeof(struct clientInput), MSG_CONFIRM, (struct sockaddr *)&serverAddress, sizeof(struct sockaddr_in));
recvfrom(udpSocket, state, sizeof(struct gameState), MSG_WAITALL, NULL, NULL);
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
// Clear the screen, filling it with black:
SDL_RenderClear(renderer);
@ -96,14 +102,13 @@ void * graphicsThreadHandler(void * parameters)
{
if (state->clients[index].registered == true)
{
DrawCircle(renderer, (int)state->clients[index].xPosition, (int)state->clients[index].yPosition,
DrawCircle(renderer, (int)state->clients[index].yPosition, (int)state->clients[index].xPosition,
10);
}
}
// Present the rendered graphics:
SDL_RenderPresent(renderer);
SDL_Delay(1000/60);
}
return NULL;
@ -115,13 +120,11 @@ int main(int argc, char ** argv)
pthread_t graphicsThread;
struct CsptMessage currentMessage;
bool continueRunning = true;
struct gameState currentState;
struct gameState * currentState = calloc(1, sizeof(struct gameState));
uint8_t currentPlayerNumber = 0;
struct sockaddr_in serverAddress;
printf("Client-Side Prediction Test - Client Starting.\n");
bzero(&currentState, sizeof(struct gameState));
// Give me a socket, and make sure it's working:
serverSocket = socket(AF_INET, SOCK_STREAM, 0);
if (serverSocket == -1)
@ -156,7 +159,7 @@ int main(int argc, char ** argv)
printf("Registered as: %u\n", currentPlayerNumber);
printf("%-7s | %u\n", messageStrings[currentMessage.type], currentMessage.content);
pthread_create(&graphicsThread, NULL, graphicsThreadHandler, &currentState);
pthread_create(&graphicsThread, NULL, graphicsThreadHandler, currentState);
while (continueRunning)
{
if (recv(serverSocket, &currentMessage, sizeof(struct CsptMessage), 0) > 0)