111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
#include "zpl.h"
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#define ENET_IMPLEMENTATION
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#include "enet.h"
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#define LIBRG_IMPL
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#define LIBRG_CUSTOM_ZPL
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#include "librg.h"
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#include "network.h"
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#include "packet.h"
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#define NETWORK_UPDATE_DELAY 0.100
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static ENetHost *host = NULL;
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static ENetPeer *peer = NULL;
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static librg_world *world = NULL;
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int32_t network_init() {
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return enet_initialize() != 0;
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}
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int32_t network_destroy() {
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enet_deinitialize();
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return 0;
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}
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int32_t network_client_connect(const char *hostname, uint16_t port) {
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ENetAddress address = {0}; address.port = port;
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enet_address_set_host(&address, hostname);
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host = enet_host_create(NULL, 1, 2, 0, 0);
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peer = enet_host_connect(host, &address, 2, 0);
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if (peer == NULL) {
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zpl_printf("[ERROR] Cannot connect to specicied server: %s:%d\n", hostname, port);
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return 1;
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}
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world = librg_world_create();
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librg_world_userdata_set(world, peer);
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#if 0
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librg_event_set(world, LIBRG_READ_CREATE, client_read_create);
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librg_event_set(world, LIBRG_READ_UPDATE, client_read_update);
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librg_event_set(world, LIBRG_READ_REMOVE, client_read_remove);
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#endif
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return 0;
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}
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int32_t network_client_disconnect() {
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enet_peer_disconnect_now(peer, 0);
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enet_host_destroy(host);
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librg_world_destroy(world);
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peer = NULL;
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host = NULL;
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world = NULL;
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return 0;
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}
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int32_t network_client_tick() {
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ENetEvent event = {0};
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while (enet_host_service(host, &event, 1) > 0) {
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switch (event.type) {
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case ENET_EVENT_TYPE_CONNECT: {
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zpl_printf("[INFO] We connected to the server.\n");
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} break;
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case ENET_EVENT_TYPE_DISCONNECT:
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case ENET_EVENT_TYPE_DISCONNECT_TIMEOUT: {
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zpl_printf("[INFO] We disconnected from server.\n");
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} break;
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case ENET_EVENT_TYPE_RECEIVE: {
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if (!world_read(event.packet->data, event.packet->dataLength, NULL)) {
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zpl_printf("[INFO] Server sent us an unsupported packet.\n");
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}
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/* Clean up the packet now that we're done using it. */
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enet_packet_destroy(event.packet);
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} break;
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case ENET_EVENT_TYPE_NONE: break;
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}
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}
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return 0;
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}
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bool network_client_is_connected() {
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return peer ? enet_peer_get_state(peer) == ENET_PEER_STATE_CONNECTED : false;
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}
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static int32_t network_msg_send_raw(uint16_t peer_id, void *data, size_t datalen, uint32_t flags) {
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ENetPacket *packet = enet_packet_create(data, datalen, flags);
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return enet_peer_send(peer, 0, packet);
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}
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int32_t network_msg_send(void *data, size_t datalen) {
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return network_msg_send_raw(0, data, datalen, ENET_PACKET_FLAG_RELIABLE);
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}
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int32_t network_msg_send_unreliable(void *data, size_t datalen) {
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return network_msg_send_raw(0, data, datalen, 0);
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}
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