[TXNetwork] Первый пример: синхронизированные шарики на двух компьютерах.

//{===========================================================================
//}===========================================================================

#include "proto.h"

#define IP "localhost" //Меняйте IP адрес здесь.

int main()
{
txCreateWindow (1024, 768);

Ball_t ball = {0, 0, 0, 0};

printf ("Searching for server...\n");

TX_SOCKET ball_server = txCreateSocket (TX_CLIENT, IP);

if (txnAssert(ball_server) == TXN_NOT_CREATED)
    {
    printf("Can't find server on this IP.\n");
    return -1;
    }

printf ("Start draw meow.\n");

while (true)
    {
    txRecvFrom (ball_server, &ball, sizeof(ball));

    txSetFillColor(TX_RED);
    txSetColor(TX_RED);

    if (ball.x == -100 && ball.y == -100)
        break;

    txCircle(ball.x, ball.y, 10);

    txSleep(1);
    txSetFillColor(TX_BLACK);
    txClear();
    }

return 0;
}

//{===========================================================================
//}===========================================================================

#include "proto.h"

void Life (Ball_t* ball);

int main()
{
txCreateWindow (1024, 768);

Ball_t ball = {100, 100, 2, 3};

printf ("Searching for client...\n");

TX_SOCKET ball_client = txCreateSocket (TX_SERVER);

if (txnAssert (ball_client) == TXN_NOT_CREATED)
    {
    printf("Can't open server. Maybe, port are busy.\n");
    return -1;
    }

printf ("Start draw meow.\n");

while (!GetAsyncKeyState(VK_ESCAPE))
    {
    txSendTo (ball_client, &ball, sizeof(ball));

    txSetFillColor (TX_GREEN);
    txSetColor (TX_GREEN);

    txCircle (ball.x, ball.y, 10);
    Life (&ball);

    txSleep (1);
    txSetFillColor (TX_BLACK);
    txClear();
    }

ball.x = -100;
ball.y = -100;
txSendTo (ball_client, &ball, sizeof(ball));

return 0;
}

void Life (Ball_t* ball)
{
if (ball->x < 0)
    {
    ball->x  = 0;
    ball->vx = -ball->vx;
    }

if (ball->y < 0)
    {
    ball->y  = 0;
    ball->vy = -ball->vy;
    }

if (ball->x > 1024)
    {
    ball->x  = 1024;
    ball->vx = -ball->vx;
    }

if (ball->y > 768)
    {
    ball->y  = 768;
    ball->vy = -ball->vy;
    }

ball->y += ball->vy;
ball->x += ball->vx;
}

//{===========================================================================
//}===========================================================================
// proto.h

#include "TXNetwork.h"
#include "TXLib.h"

// 1. server -> client: Ball_t

struct Ball_t
    {
    int  x,  y;
    int vx, vy;
    };