Files
Not-so-Rogue-like/src/main.c

269 lines
6.4 KiB
C

/**
* Copyright (c) 2014, Miguel Angel Astor Romero. All rights reserved.
* See the file LICENSE for more details.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include <signal.h>
#include <ncursesw/ncurses.h>
#include <termios.h>
#include <locale.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include "constants.h"
#include "game_state.h"
void leave(void);
void manage_signal(int signal);
int start_ncurses(void);
void set_colors(void);
void clear_screen(void);
void on_resize(int);
static int w = 0, h = 0, resize = 0;
int main() {
int finished = 0;
#if defined(_WIN32) || defined(_WIN64) || defined(__MINGW32__)
char * home_dir = getenv("APPDATA");
#elif defined(__linux__) || defined(__GNUC__)
char * home_dir = getenv("HOME");
#else
#error "Unrecoginized compiler."
#endif
FILE * f; /* To avoid a warning. */
clock_t then, now, delta;
unsigned int fps = 0, pfps = 0;
char * data_dir;
char * log_file;
time_t raw_date;
struct tm * current_date;
gs_t * states;
int c_state;
atexit(leave);
signal(SIGINT, manage_signal);
signal(SIGSEGV, manage_signal);
signal(SIGTERM, manage_signal);
signal(SIGWINCH, on_resize);
/* If there is a HOME environment variable, enable scoring. */
if(home_dir != NULL){
/* If we got the user's home directory, build the data directory path. */
data_dir = (char*)malloc(strlen(home_dir) + 7);
strcpy(data_dir, home_dir);
strcat(data_dir, F_SEP ".cyjam");
/* Redirect stderr output to a file. */
log_file = (char*)malloc(strlen(data_dir) + 8);
strcpy(log_file, data_dir);
strcat(log_file, F_SEP "stderr");
f = freopen(log_file, "a", stderr);
/* Log the current date and time. */
time(&raw_date);
current_date = localtime(&raw_date);
fprintf(stderr, "%s", asctime(current_date));
/* Try to create the data directory with permissions 775. */
if(mkdir(data_dir, S_IRWXU | S_IWGRP | S_IRGRP| S_IROTH | S_IXOTH) == 0){
/* The data directory was sucessfully created. */
}else{
if(errno != EEXIST){
/* The directory does not exists and could not be created. */
perror("\t" __FILE__);
fprintf(stderr, "\tdata_dir is: %s\n", data_dir);
}else{
/* The directory already exits. */
//init_scores(data_dir);
}
}
}else{
/* If there is no HOME environment variable, quit. */
fprintf(stderr, "\t%s: Couldn't find the user's home directory\n", __FILE__);
return EXIT_FAILURE;
}
/* Start ncurses. */
if(start_ncurses() != 0){
fprintf(stderr, "\t%s: Ncurses could not be initialized.\n", __FILE__);
return EXIT_FAILURE;
}
set_colors();
/* Create the state data structures. */
c_state = 2;
states = (gs_t *)malloc(sizeof(gs_t) * NUM_STATES);
initStateArray(&states);
/* Start the game loop. */
then = clock();
do{
clear_screen();
/* Handle terminal resize. */
if(resize){
endwin();
refresh();
getmaxyx(stdscr, h, w);
fprintf(stderr, "\tSIGWINCH caught. (W: %d, H: %d)\n", w, h);
resize = 0;
signal(SIGWINCH, on_resize);
}
states[c_state].input();
c_state = states[c_state].update();
if(c_state == -1) finished = 1;
states[c_state].render(w, h);
fps++;
now = clock();
delta = now - then;
if((int)delta / (int)CLOCKS_PER_SEC == 1){
then = now;
pfps = fps;
fps = 0;
}
move(0, 0);
attron(COLOR_PAIR(BAR_COLOR));
printw("FPS: %u", pfps);
refresh();
}while(!finished);
fclose(f);
return EXIT_SUCCESS;
}
void leave(void){
int i;
/* Finish ncurses. */
endwin();
/* Mark the end of this run's log. */
for(i = 0; i < 80; i++)
fprintf(stderr, "-");
fprintf(stderr, "\n");
}
void manage_signal(int signal){
switch(signal){
case SIGINT:
fprintf(stderr, "\tSIGINT caught.\n");
exit(EXIT_SUCCESS);
break;
case SIGSEGV:
fprintf(stderr, "\tSegmentation fault.\n");
exit(EXIT_FAILURE);
break;
case SIGTERM:
fprintf(stderr, "\tSIGTERM caught.\n");
exit(EXIT_FAILURE);
break;
}
}
void on_resize(int signal){
resize = 1;
}
int start_ncurses(void){
WINDOW *win_ptr;
int ret_code;
setlocale(LC_ALL, "");
/* Prepare the terminal. */
win_ptr = initscr();
if(win_ptr == NULL)
return -1;
/* Enable special characters. */
ret_code = keypad(stdscr, TRUE);
if(ret_code == ERR)
return -1;
/* Disable line buffering. */
ret_code = cbreak();
if(ret_code == ERR)
return -1;
/* Disable echo. */
ret_code = noecho();
if(ret_code == ERR)
return -1;
/* Hide the cursor. */
ret_code = curs_set(FALSE);
if(ret_code == ERR)
return -1;
/* Initialize the screen size variables. */
getmaxyx(stdscr, h, w);
return EXIT_SUCCESS;
}
void set_colors(void){
int ret_code;
ret_code = start_color();
if(ret_code == OK){
if(has_colors() == TRUE){
init_color(COLOR_MAGENTA, 0, 0, 500);
init_pair(BAR_COLOR, COLOR_WHITE, COLOR_RED); /* The color for the top and bottom bars. */
init_pair(BSC_COLOR, COLOR_WHITE, COLOR_BLACK); /* Basic text color. */
init_pair(HLT_COLOR, COLOR_YELLOW, COLOR_BLACK); /* Highlighted text color. */
init_pair(OFF_COLOR, COLOR_BLUE, COLOR_BLACK); /* Lights off color. */
init_pair(DIM_COLOR, COLOR_RED, COLOR_BLACK); /* Dim light color. */
init_pair(LIT_COLOR, COLOR_YELLOW, COLOR_BLACK); /* Lights on color. */
init_pair(GUI_COLOR, COLOR_YELLOW, COLOR_YELLOW); /* Main GUI bar color. */
init_pair(EMP_COLOR, COLOR_WHITE, COLOR_WHITE); /* Empty GUI bar color. */
init_pair(DW_COLOR, COLOR_BLUE, COLOR_BLACK);
init_pair(SW_COLOR, COLOR_CYAN, COLOR_BLACK);
init_pair(SN_COLOR, COLOR_YELLOW, COLOR_BLACK);
init_pair(GR_COLOR, COLOR_GREEN, COLOR_BLACK);
init_pair(FR_COLOR, COLOR_GREEN, COLOR_BLACK);
init_pair(HL_COLOR, COLOR_RED, COLOR_BLACK);
init_pair(MN_COLOR, COLOR_WHITE, COLOR_BLACK);
}
}else{
fprintf(stderr, "\t%s: Colors not supported.\n", __FILE__);
exit(EXIT_FAILURE);
}
}
void clear_screen(void){
int i, j;
move(0,0);
attron(COLOR_PAIR(BSC_COLOR));
for(i = 0; i < w; i++){
for(j = 0; j < h; j++){
move(j, i);
printw(" ");
}
}
}