work-in-progress

add UDP network connection for physics client <-> server.
also set spinning friction in rolling friction demo (otherwise objects may keep on spinning forever)

test/enet/chat/client/main.cpp

@@ -0,0 +1,165 @@
+
+/* client.cpp */
+#include <stdio.h>
+#include <string.h>
+#include <enet/enet.h>
+
+
+int main(int argc, char* argv[]) {
+	ENetHost *client;
+	ENetAddress address;
+	ENetPeer *peer;
+	ENetEvent event;
+	char message[1024];
+	int serviceResult;
+
+	puts("Starting client");
+
+	if (enet_initialize() != 0) {
+		fprintf(stderr, "Error initialising enet");
+		exit(EXIT_FAILURE);
+
+	}
+
+	client = enet_host_create(NULL, /* create a client host */
+		1,    /* number of clients */
+		2,    /* number of channels */
+		57600 / 8,    /* incoming bandwith */
+		14400 / 8);   /* outgoing bandwith */
+
+	if (client == NULL) {
+		fprintf(stderr, "Could not create client host");
+		exit(EXIT_FAILURE);
+
+	}
+
+
+	enet_address_set_host(&address, "localhost");
+	address.port = 1234;
+
+	peer = enet_host_connect(client,
+		&address,    /* address to connect to */
+		2,           /* number of channels */
+		0);          /* user data supplied to
+						  the receiving host */
+
+	if (peer == NULL) {
+		fprintf(stderr, "No available peers for initiating an ENet "
+			"connection.\n");
+		exit(EXIT_FAILURE);
+
+	}
+
+
+	/* Try to connect to server within 5 seconds */
+	if (enet_host_service(client, &event, 5000) > 0 &&
+		event.type == ENET_EVENT_TYPE_CONNECT)
+	{
+		puts("Connection to server succeeded.");
+	}
+	else
+	{
+		/* Either the 5 seconds are up or a disconnect event was */
+		/* received. Reset the peer in the event the 5 seconds   */
+		/* had run out without any significant event.            */
+		enet_peer_reset(peer);
+
+		fprintf(stderr, "Connection to server failed.");
+		exit(EXIT_FAILURE);
+	}
+
+	while (true)
+	{
+		serviceResult = 1;
+
+		/* Keep doing host_service until no events are left */
+		while (serviceResult > 0)
+		{
+			serviceResult = enet_host_service(client, &event, 0);
+
+			if (serviceResult > 0)
+			{
+				switch (event.type)
+				{
+				case ENET_EVENT_TYPE_CONNECT:
+					printf("A new client connected from %x:%u.\n",
+						event.peer->address.host,
+						event.peer->address.port);
+
+					event.peer->data = (void*)"New User";
+					break;
+
+				case ENET_EVENT_TYPE_RECEIVE:
+					printf("A packet of length %u containing '%s' was "
+						"received from %s on channel %u.\n",
+						event.packet->dataLength,
+						event.packet->data,
+						event.peer->data,
+						event.channelID);
+
+					/* Clean up the packet now that we're done using it.
+						> */
+					enet_packet_destroy(event.packet);
+
+					break;
+
+				case ENET_EVENT_TYPE_DISCONNECT:
+					printf("%s disconected.\n", event.peer->data);
+
+					break;
+				}
+			}
+			else if (serviceResult > 0)
+			{
+				puts("Error with servicing the client");
+				exit(EXIT_FAILURE);
+			}
+
+		}
+
+
+		printf("Say> ");
+		gets_s(message, 1024);
+
+		if (strcmp(message, "exit") == 0 ||
+			strcmp(message, "quit") == 0) {
+			break;
+
+		}
+
+		if (strlen(message) > 0) {
+			ENetPacket *packet = enet_packet_create(message, strlen
+			(message) + 1, ENET_PACKET_FLAG_RELIABLE);
+			enet_peer_send(peer, 0, packet);
+
+		}
+
+	}
+
+	enet_peer_disconnect(peer, 0);
+
+	/* Allow up to 3 seconds for the disconnect to succeed */
+	/* and drop any packets received packets */
+	while (enet_host_service(client, &event, 3000) > 0)
+	{
+
+		switch (event.type)
+		{
+		case ENET_EVENT_TYPE_RECEIVE:
+			enet_packet_destroy(event.packet);
+			break;
+
+		case ENET_EVENT_TYPE_DISCONNECT:
+			puts("Disconnection succeeded.");
+			break;
+		}
+	}
+
+
+	enet_host_destroy(client);
+	enet_deinitialize();
+
+	return 0;
+
+
+}

test/enet/chat/client/premake4.lua

@@ -0,0 +1,25 @@
+
+
+project ("Test_enet_chat_client")
+
+	language "C++"
+			
+	kind "ConsoleApp"
+	
+	includedirs {"../../../../examples/ThirdPartyLibs/enet/include"}
+	
+	if os.is("Windows") then 
+		defines { "WIN32" }
+		links {"Ws2_32","Winmm"}
+	end
+	if os.is("Linux") then
+	end
+	if os.is("MacOSX") then
+	end		
+		
+	links {"enet"}		
+	
+	files {
+		"main.cpp",
+	}
+