Changeset 60017fc in network-game for server

Timestamp:

Feb 18, 2013, 6:58:40 PM (12 years ago)

Author:

dportnoy <dmp1488@…>

Branches:

master

Children:

093c141

Parents:

62ee2ce

Message:

Added code for player movement

Location:

server

Files:

• DataAccess.cpp (modified) (1 diff)
• makefile (modified) (2 diffs)
• server.cpp (modified) (11 diffs)

server/DataAccess.cpp

@@ -81 +81 @@
    }
 
-   if ( ( row = mysql_fetch_row(result)) != NULL )
+   if ( ( row = mysql_fetch_row(result)) != NULL ) {
+      cout << "Creating a new player" << endl;
       p = new Player(string(row[1]), string(row[2]));
-   else {
+   }else {
       cout << "Returned no results for some reason" << endl;
       p = NULL;

server/makefile

@@ -1 +1 @@
 CC = g++
-LIB_FLAGS = -lssl -lmysqlclient -lcrypt
+LIB_FLAGS = -lssl -lmysqlclient -lcrypt -lrt
 FLAGS = $(LIB_FLAGS)
 COMMON_PATH = ../common
-DEPENDENCIES = Common.o Message.o Player.o Map.o DataAccess.o
+DEPENDENCIES = Common.o Message.o Player.o WorldMap.o DataAccess.o
 
 server : server.cpp $(DEPENDENCIES)
@@ -17 +17 @@
         $(CC) -c -o $@ $?
 
-Map.o : $(COMMON_PATH)/Map.cpp
+WorldMap.o : $(COMMON_PATH)/WorldMap.cpp
         $(CC) -c -o $@ $?
 

server/server.cpp

@@ -6 +6 @@
 #include <sstream>
 #include <cstring>
+#include <cmath>
+#include <sys/time.h>
 
 #include <vector>
@@ -26 +28 @@
 #include "../common/Common.h"
 #include "../common/Message.h"
+#include "../common/WorldMap.h"
 #include "../common/Player.h"
 
@@ -32 +35 @@
 using namespace std;
 
-bool processMessage(const NETWORK_MSG &clientMsg, const struct sockaddr_in &from, map<unsigned int, Player>& mapPlayers, unsigned int& unusedId, NETWORK_MSG &serverMsg);
+bool processMessage(const NETWORK_MSG &clientMsg, const struct sockaddr_in &from, map<unsigned int, Player>& mapPlayers, WorldMap* gameMap, unsigned int& unusedId, NETWORK_MSG &serverMsg);
 
 void updateUnusedId(unsigned int& id, map<unsigned int, Player>& mapPlayers);
@@ -106 +109 @@
       exit(1);
    }
+
+   WorldMap* gameMap = WorldMap::createDefaultMap();
  
    sock = socket(AF_INET, SOCK_DGRAM, 0);
@@ -119 +124 @@
    set_nonblock(sock);
 
+   Player testP;
+   clock_gettime(CLOCK_REALTIME, &testP.timeLastUpdated);
+
+   cout << "Before sleep" << endl;
+   // wait some time
+   sleep(3);
+   cout << "After sleep" << endl;
+
+   testP.move();
+
+/*
    bool broadcastResponse;
    while (true) {
@@ -129 +145 @@
          cout << "Got a message" << endl;
 
-         broadcastResponse = processMessage(clientMsg, from, mapPlayers, unusedId, serverMsg);
+         broadcastResponse = processMessage(clientMsg, from, mapPlayers, gameMap, unusedId, serverMsg);
 
          // probably replace this with a function that prints based on the
@@ -158 +174 @@
       }
    }
+*/
 
    return 0;
 }
 
-bool processMessage(const NETWORK_MSG& clientMsg, const struct sockaddr_in& from, map<unsigned int, Player>& mapPlayers, unsigned int& unusedId, NETWORK_MSG& serverMsg)
+bool processMessage(const NETWORK_MSG& clientMsg, const struct sockaddr_in& from, map<unsigned int, Player>& mapPlayers, WorldMap* gameMap, unsigned int& unusedId, NETWORK_MSG& serverMsg)
 {
    DataAccess da;
@@ -199 +216 @@
       case MSG_TYPE_LOGIN:
       {
+         cout << "Got login message" << endl;
+
          string username(clientMsg.buffer);
          string password(strchr(clientMsg.buffer, '\0')+1);
@@ -287 +306 @@
       case MSG_TYPE_PLAYER_MOVE:
       {
+         cout << "Got a move message" << endl;
+
          istringstream iss;
          iss.str(clientMsg.buffer);
@@ -305 +326 @@
               mapPlayers[id].addr.sin_port == from.sin_port )
          {
-            memcpy(&mapPlayers[id].pos.x, clientMsg.buffer+4, 4);
-            memcpy(&mapPlayers[id].pos.y, clientMsg.buffer+8, 4);
-
-            serverMsg.type = MSG_TYPE_PLAYER_MOVE;
-            memcpy(serverMsg.buffer, clientMsg.buffer, 12);
-
-            broadcastResponse = true;
+            // we need to make sure the player can move here
+            if (0 <= x && x < 300 && 0 <= y && y < 300 &&
+               gameMap->getElement(x/25, y/25) == WorldMap::TERRAIN_GRASS)
+            {
+               // first we get the correct vector 
+               mapPlayers[id].target.x = x;
+               mapPlayers[id].target.y = y;
+               int xDiff = mapPlayers[id].target.x - mapPlayers[id].pos.x;
+               int yDiff = mapPlayers[id].target.y - mapPlayers[id].pos.y;
+               cout << "xDiff: " << xDiff << endl;               
+               cout << "yDiff: " << yDiff << endl;               
+
+               // then we get the correct angle
+               double angle = atan2(yDiff, xDiff);
+               cout << "angle: " << angle << endl;               
+
+               // finally we use the angle to determine
+               // how much the player moves
+               // the player will move 50 pixels in the correct direction
+               mapPlayers[id].pos.x += cos(angle)*50;
+               mapPlayers[id].pos.y += sin(angle)*50;
+               cout << "new x: " << mapPlayers[id].pos.x << endl;               
+               cout << "new y: " << mapPlayers[id].pos.y << endl;               
+
+               serverMsg.type = MSG_TYPE_PLAYER_MOVE;
+               
+               memcpy(serverMsg.buffer, &id, 4);
+               memcpy(serverMsg.buffer+4, &mapPlayers[id].pos.x, 4);
+               memcpy(serverMsg.buffer+8, &mapPlayers[id].pos.y, 4);
+               //memcpy(serverMsg.buffer, clientMsg.buffer, 12);
+
+               broadcastResponse = true;
+            }
+            else
+               cout << "Bad terrain detected" << endl;
          }
          else  // nned to send back a message indicating failure
@@ -328 +377 @@
    }
 
+   cout << "Got to the end of the switch" << endl;
+
    return broadcastResponse;
 }