Ball passing between courts

include/game.h

@@ -36,7 +36,7 @@ void CreateGameServer(Server* serv,GameData*gd);
 /**
  * Creates the Client game loop
  */
-void RunGameClient(Client* c);
+void RunGameClient(Client* c,GameData*gd);
 
 /**
  * Draws the walls based on player 1 or 2

main.c

@@ -52,7 +52,7 @@ int main(int argc, char* argv[])
         printf("Connecting to %s:%i\n", data.domain, data.port);
         Client c = StartClient(data.domain, data.port);
 
-        RunGameClient(&c);
+        RunGameClient(&c,&data);
 
         close(c.client_fd);
         return 0;

src/gameServer.c

@@ -1,15 +1,31 @@
 #include "../include/game.h"
+#include "../include/object.h"
+#include "../include/network/packet.h"
 #include <curses.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 
+long GetCurrentMS()
+{
+    struct timespec ts;
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+
+    long ms = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+    return ms;
+}
+
 void CreateGameServer(Server* serv, GameData* gd)
 {
 
     Server s = *serv;
+    Paddle paddle = CreatePaddle(gd);
+
+    Ball ball = CreateBall(gd);
+    long lastBallUpdate = GetCurrentMS();
 
     bool game_running = true;
 
@@ -22,6 +38,11 @@ void CreateGameServer(Server* serv, GameData* gd)
     SetupTermWin();
 
     DrawWalls(*gd);
+    DrawPaddle(&paddle);
+    // DrawBall(&ball);
+
+    GameAlert("Waiting for Client");
+    int allowServe = false;
 
     while (game_running) {
 
@@ -79,8 +100,10 @@ void CreateGameServer(Server* serv, GameData* gd)
                     snprintf(msg, sizeof(msg), "Client %d says: %s\r", fd, buffer);
                     GameAlert(msg);
 
+                    ProcessBallPacket(buffer,&ball,gd);
+
                     // Example: echo back
-                    send(fd, buffer, bytes, 0);
+                    //send(fd, buffer, bytes, 0);
                 } else if (bytes == 0) {
                     char msg[64];
                     snprintf(msg, sizeof(msg), "Client %d disconnected\n", fd);
@@ -96,38 +119,147 @@ void CreateGameServer(Server* serv, GameData* gd)
             }
         }
 
-        if (s.client_count < 1) {
+        char ch = getch();
-            char msg[64];
+        if (ch == 'w')
-            snprintf(msg, sizeof(msg), "Waiting for other player\n");
+            MovePaddleUP(&paddle);
-            GameAlert(msg);
+        if (ch == 's')
-        } else {
+            MovePaddleDown(&paddle);
-            // Process Game Data
 
+        // Process Ball only if on court
+        if (ball.visible && s.client_count > 0) {
+            if (GetCurrentMS() > lastBallUpdate + 10) {
+                lastBallUpdate = GetCurrentMS();
+                UpdateBall(&ball, &paddle);
+            }
+            if (CheckBallCourtChange(gd,&ball)) {
+                GameAlert("Ball is in other court");
+                HideBall(&ball);
+
+                char msg[1024];
+                snprintf(msg, sizeof(msg), "BTRANS %f %f %f", ball.y,ball.vx,ball.vy);
+                send(s.clients[0], msg, strlen(msg), 0);
+            }
         }
+
+        if (ch == 'q') {
+            GameAlert("Quitting...");
+            sleep(1);
+            game_running = false;
+            break;
+        }
+
+        // if (s.client_count < 1) {
+        //     char msg[64];
+        //     snprintf(msg, sizeof(msg), "Waiting for other player\n");
+        //     GameAlert(msg);
+        // } else {
+        //     // Process Game Data
+
+        // }
     }
 
     CloseTermWin();
 }
 
-void RunGameClient(Client* client)
+void RunGameClient(Client* client, GameData* gd)
 {
     Client c = *client;
 
-    // char* msg = "Hello from client, this is a test, I really want to see what happens if I create a really long packet and try to send it.  I would imagine it will be some kind of buffer overflow";
+    Paddle paddle = CreatePaddle(gd);
-    // send(c.client_fd, msg, strlen(msg), 0);
+    Ball ball = CreateBall(gd);
 
-    // {
-    //     char buffer[1024] = { 0 };
-    //     read(c.client_fd, buffer, sizeof(buffer));
-    //     printf("Server: %s\n", buffer);
-    // }
 
-    sleep(10);
+    long lastBallUpdate = GetCurrentMS();
-    // char* msg2 = "Ok I am leaving now";
+
-    // send(c.client_fd, msg2, strlen(msg2), 0);
+    bool game_running = true;
-    // {
+
-    //     char buffer[1024] = { 0 };
+    SetupTermWin();
-    //     read(c.client_fd, buffer, sizeof(buffer));
+
-    //     printf("Server: %s\n", buffer);
+    GameAlert("Connected to server");
-    // }
+    int allowServe = true;
+
+    DrawWalls(*gd);
+    DrawPaddle(&paddle);
+
+    while (game_running) {
+
+        fd_set read_fds;
+        FD_ZERO(&read_fds);
+
+        // Watch server socket
+        FD_SET(c.client_fd, &read_fds);
+
+        int max_fd = c.client_fd;
+
+        // Small timeout (same idea as server)
+        struct timeval tv;
+        tv.tv_sec = 0;
+        tv.tv_usec = 1000; // 1ms
+
+        int ret = select(max_fd + 1, &read_fds, NULL, NULL, &tv);
+
+        if (ret < 0) {
+            perror("select");
+            break;
+        }
+
+        // Handle server messages
+        if (FD_ISSET(c.client_fd, &read_fds)) {
+            char buffer[1024];
+            int bytes = recv(c.client_fd, buffer, sizeof(buffer) - 1, 0);
+
+            if (bytes > 0) {
+                buffer[bytes] = '\0';
+
+                char msg[1024];
+                snprintf(msg, sizeof(msg), "Server says: %s\r", buffer);
+                GameAlert(msg);
+
+                ProcessBallPacket(buffer,&ball,gd);
+
+            } else if (bytes == 0) {
+                GameAlert("Server disconnected");
+                break;
+            } else {
+                perror("recv");
+                break;
+            }
+        }
+
+        char ch = getch();
+        if (ch == 'w')
+            MovePaddleUP(&paddle);
+        if (ch == 's')
+            MovePaddleDown(&paddle);
+
+        // Process Ball only if on court
+        if (ball.visible) {
+            if (GetCurrentMS() > lastBallUpdate + 10) {
+                lastBallUpdate = GetCurrentMS();
+                UpdateBall(&ball, &paddle);
+            }
+            if (CheckBallCourtChange(gd,&ball)) {
+                GameAlert("Ball is in other court");
+                HideBall(&ball);
+
+                char msg[1024];
+                snprintf(msg, sizeof(msg), "BTRANS %f %f %f", ball.y,ball.vx,ball.vy);
+                send(c.client_fd, msg, strlen(msg), 0);
+            }
+        }
+
+        if (ch == 'q') {
+            GameAlert("Quitting...");
+            sleep(1);
+            game_running = false;
+            break;
+        }
+
+        if (ch == ' ') {
+            allowServe = false;
+            ServeBall(&ball,gd);
+        }
+    }
+
+    CloseTermWin();
 }