Example03/server.cpp

00001 //{===========================================================================
00012 //}===========================================================================
00013 // server.cpp
00014 
00015 #include "proto.h"
00016 
00017 void RunGame          (TX_SOCKET peer_sock);
00018 void DrawPlayer       (Player_t player, COLORREF color);
00019 void DrawBall         (Ball_t  ball);
00020 void MoveBall         (Ball_t* ball);
00021 void BallInterPlayers (Ball_t* ball, Player_t player1, Player_t player2);
00022 
00023 int main()
00024     {
00025     txCreateWindow (1024, 768);
00026     txBegin();
00027 
00028     txSetColor (TX_LIGHTGREEN);
00029     txSetTextAlign (TA_CENTER);
00030     txTextOut (500, 380, "I am a server!");
00031     txTextOut (500, 450, "Waiting for client...");
00032     txSleep (0);
00033 
00034     TX_SOCKET client = txCreateSocket (TX_SERVER, "", TX_STD_PORT, TX_BLOCK, false);
00035 
00036     if (txnAssert (client) == TXN_NOT_CREATED)
00037         {
00038         printf ("ERROR: BAD SOCKET!!!");
00039         return -1;
00040         }
00041 
00042     RunGame (client);
00043 
00044     return 0;
00045     }
00046 
00047 void RunGame (TX_SOCKET peer_sock)
00048     {
00049     Player_t me   = {512,  20, 0};
00050     Player_t peer = {512, 748, 0};
00051 
00052     Ball_t ball = {100, 100, 15, 15};
00053 
00054     DWORD timer = 0;
00055 
00056     while (!GetAsyncKeyState (VK_ESCAPE) && peer.action != -1)
00057         {
00058         txSetFillColor (TX_BLACK);
00059         txClear();
00060 
00061         txSetColor (TX_LIGHTGREEN);
00062         txTextOut (500, 380, "I am a server!");
00063         txTextOut (500, 450, "Use [Left], [Right]. [Escape] to exit.");
00064 
00065         if (GetAsyncKeyState (VK_LEFT)  && me.x >   50) me.x -= 15;
00066         if (GetAsyncKeyState (VK_RIGHT) && me.x < 1019) me.x += 15;
00067 
00068         MoveBall (&ball);
00069 
00070         DrawBall (ball);
00071         DrawPlayer (me,   TX_LIGHTGREEN);
00072         DrawPlayer (peer, TX_PINK);
00073 
00074         BallInterPlayers (&ball, peer, me);
00075 
00076         timer = GetTickCount();
00077 
00078         txSendTo   (peer_sock, &me,   sizeof (me));
00079         txRecvFrom (peer_sock, &peer, sizeof (peer));
00080         txSendTo   (peer_sock, &ball, sizeof (ball));
00081 
00082         while (GetTickCount() - timer < 15);
00083             txSleep (0);
00084         }
00085 
00086     me.action = -1;
00087     txSendTo (peer_sock, &me, sizeof (me));
00088     }
00089 
00090 void DrawPlayer (Player_t player, COLORREF color)
00091     {
00092     txSetColor     (color);
00093     txSetFillColor (color);
00094 
00095     txRectangle (player.x - 100, player.y - 10, player.x + 100, player.y + 10);
00096     }
00097 
00098 void DrawBall (Ball_t ball)
00099     {
00100     txSetColor     (TX_LIGHTCYAN);
00101     txSetFillColor (TX_LIGHTCYAN);
00102 
00103     txCircle (ball.x, ball.y, 20);
00104     }
00105 
00106 void MoveBall (Ball_t* ball)
00107     {
00108     if (ball->x <    0) { ball->vx = -ball->vx; ball->x =    0; }
00109     if (ball->x > 1024) { ball->vx = -ball->vx; ball->x = 1024; }
00110     if (ball->y <    0) { ball->vy = -ball->vy; ball->y =    0; }
00111     if (ball->y >  768) { ball->vy = -ball->vy; ball->y =  768; }
00112 
00113     ball->x += ball->vx;
00114     ball->y += ball->vy;
00115     }
00116 
00117 void BallInterPlayers (Ball_t* ball, Player_t player1, Player_t player2)
00118     {
00119     if (player1.x - 100 < ball->x && ball->x < player1.x + 100 && player1.y - 25 < ball->y)
00120         ball->vy = -ball->vy;
00121 
00122     if (player2.x - 100 < ball->x && ball->x < player2.x + 100 && player2.y + 25 > ball->y)
00123         ball->vy = -ball->vy;
00124     }