/* ---------------------------------------------------------------------- *
* Public Functions -- Outgoing messages
* ---------------------------------------------------------------------- */
void
network_join_game (void)
{
MsgBuf msg;
MSG_OPCODE(&msg) = MSG_JOIN;
MSG_LENGTH(&msg) = 0;
net_send_message (sock, &msg);
}
void
network_new_city (int* originx, int* originy, int random_village)
{
MsgBuf msg;
MSG_OPCODE(&msg) = MSG_NEW_CITY;
MSG_LENGTH(&msg) = 0;
net_send_message (sock, &msg);
}
void
network_do_coal_survey (void)
{
MsgBuf msg;
MSG_OPCODE(&msg) = MSG_DO_COAL_SURVEY;
MSG_LENGTH(&msg) = 0;
net_send_message (sock, &msg);
}
void
network_unrequest_mappoint_stats (void)
{
MsgBuf msg;
MSG_OPCODE(&msg) = MSG_MPS_END;
MSG_LENGTH(&msg) = 0;
net_send_message (sock, &msg);
}
void
network_unrequest_mini_screen (void)
{
MsgBuf msg;
MSG_OPCODE(&msg) = MSG_MINI_SCRN_END;
MSG_LENGTH(&msg) = 0;
net_send_message (sock, &msg);
}
void
network_request_mini_screen (int mini_type)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_MINI_SCRN_REQ;
MSG_LENGTH(&msg) = 1 * sizeof(Int32);
*msgp++ = htonl(mini_type);
net_send_message (sock, &msg);
}
void server_send_message(state_type *state, event_content_type *message, time_type now) {
// Get the server configuration from simulation state
SERVER_lp_state_type *pointer = &state->type.server_state;
message->origin_object_id = pointer->server_id;
net_send_message(message->origin_object_id, message->destination_object_id, message, state->num_clients, state->num_servers, now, state->average_client_to_server_net_delay);
if (pointer->configuration.server_verbose)
printf("S%d - function Server_ProcessEvent: DELIVER_MESSAGE sent at time %f\n", pointer->server_id, now);
}
void
network_launch_rocket (int x, int y)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_LAUNCH_ROCKET;
MSG_LENGTH(&msg) = 2 * sizeof(Int32);
*msgp++ = htonl(x);
*msgp++ = htonl(y);
net_send_message (sock, &msg);
}
void
network_request_mappoint_stats (int x, int y)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_MPS_REQ;
MSG_LENGTH(&msg) = 2 * sizeof(Int32);
*msgp++ = htonl(x);
*msgp++ = htonl(y);
net_send_message (sock, &msg);
}
void
network_send_flags (int x, int y)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_SEND_FLAGS;
MSG_LENGTH(&msg) = 3 * sizeof(Int32);
*msgp++ = htonl(x);
*msgp++ = htonl(y);
*msgp++ = htonl(MP_INFO(x,y).flags);
net_send_message (sock, &msg);
}
void
network_bulldoze_item (int x, int y)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_BULLDOZE_ITEM;
MSG_LENGTH(&msg) = 2 * sizeof(Int32);
*msgp++ = htonl(x);
*msgp++ = htonl(y);
net_send_message (sock, &msg);
}
void
network_place_item (int x, int y, int selected_type)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_PLACE_ITEM;
MSG_LENGTH(&msg) = 3 * sizeof(Int32);
*msgp++ = htonl(x);
*msgp++ = htonl(y);
*msgp++ = htonl(selected_type);
net_send_message (sock, &msg);
}
void server_send_remote_tx_get(state_type *state, event_content_type *event_content, time_type now) {
// Get the server configuration from simulation state
SERVER_lp_state_type *pointer = &state->type.server_state;
double predicted_delay;
event_content->origin_object_id = pointer->server_id;
predicted_delay = get_cubist_predicted_remote_get_rtt(state, event_content, now);
predicted_delay/=(double)2;
net_send_message(event_content->origin_object_id, event_content->destination_object_id, event_content, state->num_clients, state->num_servers, now, predicted_delay);
if (pointer->configuration.server_verbose)
printf("S%d - function Server_ProcessEvent: DELIVER_MESSAGE sent at time %f\n", pointer->server_id, now);
}
void server_send_final_commit_message(state_type *state, event_content_type *event_content, time_type now) {
// Get the server configuration from simulation state
SERVER_lp_state_type *pointer = &state->type.server_state;
double predicted_delay=state->average_server_to_server_net_delay;
event_content->origin_object_id = pointer->server_id;
//printf("\ninputString: %s",inputString);
// predicted_delay = get_cubist_predicted_rtt(state, event_content, now);
predicted_delay=0;
net_send_message(event_content->origin_object_id, event_content->destination_object_id, event_content, state->num_clients, state->num_servers, now, predicted_delay);
if (pointer->configuration.server_verbose)
printf("S%d - function Server_ProcessEvent: DELIVER_MESSAGE sent at time %f\n", pointer->server_id, now);
}
void
network_request_main_screen (void)
{
MsgBuf msg;
Int32* msgp = (Int32*) MSG_BODY(&msg);
MSG_OPCODE(&msg) = MSG_MAIN_SCRN_REQ;
MSG_LENGTH(&msg) = 4 * sizeof(Int32);
*msgp++ = htonl(main_screen_originx);
*msgp++ = htonl(main_screen_originy);
#if defined (commentout)
/* GCS FIX: Need to give server right size of main screen */
*msgp++ = htonl(MAIN_WIN_W / 16);
*msgp++ = htonl(MAIN_WIN_H / 16);
#endif
net_send_message (sock, &msg);
}
int main(int argc, char **argv) {
int return_status = 1;
#define MAIN_SDL_CHECK(expression, error_prefix) { \
if (!(expression)) { \
log_error(error_prefix, SDL_GetError()); \
goto exit; \
} \
}
MAIN_SDL_CHECK(SDL_Init(SDL_INIT_VIDEO) == 0, "SDL_Init");
if (IMG_Init(IMG_INIT_PNG) != IMG_INIT_PNG) {
log_error("IMG_Init", IMG_GetError());
goto exit;
}
MAIN_SDL_CHECK(SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "2"), "SDL_SetHint SDL_HINT_RENDER_SCALE_QUALITY");
startup_info_t info = startup(argc, argv);
if (!info.success)
goto exit;
net_mode_t net_mode = info.net_mode;
network = info.network;
char wtitle[256];
if (net_mode == NET_SERVER) {
snprintf(wtitle, sizeof(wtitle), "NetCheckers - server (%s)", info.port);
} else {
snprintf(wtitle, sizeof(wtitle), "NetCheckers - client (%s:%s)", info.host, info.port);
}
window = SDL_CreateWindow(
wtitle,
#if 1
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
#else
(net_mode == NET_SERVER ? 10 : window_width + 20), SDL_WINDOWPOS_CENTERED,
#endif
window_width, window_height,
SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI
);
MAIN_SDL_CHECK(window, "SDL_CreateWindow");
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
MAIN_SDL_CHECK(renderer, "SDL_CreateRenderer");
MAIN_SDL_CHECK(SDL_SetRenderDrawBlendMode(renderer, SDL_BLENDMODE_BLEND) == 0, "SDL_SetRenderDrawBlendMode SDL_BLENDMODE_BLEND");
char *error = 0;
char path[1024];
#define LOAD_TEXTURE_CHECKED(var, file) { \
sprintf(path, "%s/" file, info.assets_path); \
var = load_png_texture(path, &error); \
if (error) { \
log_error("load_png_texture " file, error); \
goto exit; \
} \
}
LOAD_TEXTURE_CHECKED(tex.textures.board, "board.png");
LOAD_TEXTURE_CHECKED(tex.textures.red_piece, "piece_red.png");
LOAD_TEXTURE_CHECKED(tex.textures.red_piece_king, "piece_red_king.png");
LOAD_TEXTURE_CHECKED(tex.textures.white_piece, "piece_white.png");
LOAD_TEXTURE_CHECKED(tex.textures.white_piece_king, "piece_white_king.png");
LOAD_TEXTURE_CHECKED(tex.textures.highlight, "highlight.png");
LOAD_TEXTURE_CHECKED(tex.textures.player_turn, "player_turn.png");
LOAD_TEXTURE_CHECKED(tex.textures.opponent_turn, "opponent_turn.png");
LOAD_TEXTURE_CHECKED(tex.textures.victory, "victory.png");
LOAD_TEXTURE_CHECKED(tex.textures.defeat, "defeat.png");
window_resized(window_width, window_height);
// Put the pieces on the board
#if 0
// Game over testing
for (int i = 0; i < 24; i++) {
piece_t *piece = pieces + i;
piece->color = (i >= 12) ? PIECE_BLACK : PIECE_WHITE;
piece->captured = true;
}
pieces[0].captured = false;
pieces[0].king = true;
pieces[0].pos = cell_pos(1, 3);
board[1][3] = &pieces[0];
pieces[12].captured = false;
pieces[12].king = true;
pieces[12].pos = cell_pos(5, 3);
board[5][3] = &pieces[12];
#else
int fill_row = 0;
int fill_col = 0;
for (int i = 0; i < 12; i++) {
piece_t *piece = pieces + i;
piece->color = PIECE_WHITE;
piece->pos = cell_pos(fill_row, fill_col);
board[fill_row][fill_col] = piece;
advance_board_row_col(&fill_row, &fill_col);
}
fill_row = 5;
fill_col = 1;
for (int i = 12; i < 24; i++) {
piece_t *piece = pieces + i;
piece->color = PIECE_BLACK;
piece->pos = cell_pos(fill_row, fill_col);
board[fill_row][fill_col] = piece;
advance_board_row_col(&fill_row, &fill_col);
}
#endif
game_over = false;
current_turn = PIECE_BLACK;
local_color = (net_mode == NET_SERVER) ? PIECE_BLACK : PIECE_WHITE;
bool running = true;
int last_time = SDL_GetTicks();
while (running) {
int current_time = SDL_GetTicks();
int ellapsed_ms = current_time - last_time;
last_time = current_time;
float delta_time = (float)ellapsed_ms / 1000.0f;
SDL_Event event = {0};
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT: {
running = false;
} break;
case SDL_WINDOWEVENT: {
if (event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED) {
window_resized(event.window.data1, event.window.data2);
}
} break;
case SDL_MOUSEBUTTONDOWN: {
#if 1
if (event.button.state == SDL_PRESSED && event.button.button == SDL_BUTTON_RIGHT) {
message_t net_msg = {0};
net_msg.move_piece = cell_pos(5, 1);
net_msg.move_target = cell_pos(4, 0);
net_send_message(network, &net_msg);
}
#endif
if (event.button.state == SDL_PRESSED && event.button.button == SDL_BUTTON_LEFT) {
if (!game_over && !animating_piece && current_turn == local_color) {
int click_x = event.button.x * dpi_rate;
int click_y = event.button.y * dpi_rate;
if (rect_includes(&board_rect, click_x, click_y)) {
cell_pos_t clicked_cell = point_to_cell(click_x, click_y);
piece_t *clicked_piece = board[clicked_cell.row][clicked_cell.col];
if (clicked_piece && clicked_piece->color == current_turn) {
piece_moves_t moves = find_valid_moves(clicked_piece);
if (moves.count) {
selected_piece = clicked_piece;
available_moves = moves;
}
} else if (selected_piece) {
cell_pos_t from_cell = selected_piece->pos;
move_result_t res = perform_move(selected_piece, clicked_cell);
if (res != MOVE_INVALID) {
if (res == MOVE_END_TURN) {
selected_piece = 0;
} else {
available_moves = find_valid_moves(selected_piece);
}
message_t net_msg = {0};
net_msg.move_piece = from_cell;
net_msg.move_target = clicked_cell;
if (!net_send_message(network, &net_msg)) {
int err = SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Erro - Falha de comunicação",
"Falha ao enviar movimento para o adversário.",
window
);
if (err) {
log_error("SDL_ShowSimpleMessageBox invalid movement", SDL_GetError());
}
goto exit;
}
}
}
}
}
}
} break;
}
}
if (net_get_state(network) != NET_RUNNING) {
int err = SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Erro - Conexão Interrompida",
"A conexão foi interrompida pelo adversário",
window
);
if (err) {
log_error("SDL_ShowSimpleMessageBox invalid movement", SDL_GetError());
}
goto exit;
}
message_t net_msg;
if (net_poll_message(network, &net_msg)) {
bool valid_move = false;
piece_t *piece = board[net_msg.move_piece.row][net_msg.move_piece.col];
if (piece && current_turn != local_color && piece->color != local_color) {
move_result_t res = perform_move(piece, net_msg.move_target);
if (res != MOVE_INVALID)
valid_move = true;
}
if (!valid_move) {
int err = SDL_ShowSimpleMessageBox(
SDL_MESSAGEBOX_ERROR,
"Erro - Movimento inválido",
"Seu adversário enviou um movimento inválido.",
window
);
if (err) {
log_error("SDL_ShowSimpleMessageBox invalid movement", SDL_GetError());
}
goto exit;
}
}
render(delta_time);
}
return_status = 0;
exit:
if (network)
net_destroy(network);
for (int i = 0; i < ARRAY_SIZE(tex.array); i++) {
if (tex.array[i])
SDL_DestroyTexture(tex.array[i]);
}
if (renderer)
SDL_DestroyRenderer(renderer);
if (window)
SDL_DestroyWindow(window);
IMG_Quit();
SDL_Quit();
return return_status;
}