128 lines
2.2 KiB
C
128 lines
2.2 KiB
C
#include <stdio.h>
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#include <ncurses.h>
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#include <unistd.h>
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#include <math.h>
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#include <time.h>
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#include "grid.h"
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#include "vect.h"
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static bool running = true;
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static bool do_step = true;
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static Vect2i cursor = {0, 0};
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void handleInput(char ch);
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void showLastPressed(char ch);
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void showCurPos();
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int main()
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{
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// init
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initscr();
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raw();
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noecho();
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// Colors
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// allows for transparancy when color values in init_pair(); are set to -1 or, no pair specified
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// e.g init_pair(1, COLOR_WHITE, -1) would be transparent background but white text
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use_default_colors();
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start_color();
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// cell
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init_pair(1, COLOR_BLUE, COLOR_WHITE);
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// text
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init_pair(2, COLOR_YELLOW, -1);
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// cursor
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init_pair(3, COLOR_RED, COLOR_RED);
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// doesn't wait for user to input.
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// timeout(100) waits for 100ms for input.
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timeout(0);
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curs_set(FALSE);
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int width = 0;
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int height = 0;
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// stdscr is screen created by initscr()
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getmaxyx(stdscr, height, width);
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// framerate of the game
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const int FRAME_RATE = 30;
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const float FRAME_TIME = 1.f/(float)FRAME_RATE;
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Grid grid;
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initGrid(&grid, width, height);
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randomizeGrid(&grid);
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float t = 0;
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while (running) {
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clock_t start_t = clock();
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char ch = getch();
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handleInput(ch);
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// draw grid
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drawGrid(&grid);
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// draw overlays
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showLastPressed(ch);
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showCurPos();
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// cursor
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attron(COLOR_PAIR(3));
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mvaddch(cursor.y, cursor.x, ' ');
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attroff(COLOR_PAIR(3));
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refresh();
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if (do_step) updateGrid(&grid);
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usleep(pow(10,6)*(FRAME_TIME-t));
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float t = (float) (clock()-start_t) / (float) CLOCKS_PER_SEC;
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}
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endwin();
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return 0;
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}
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void showLastPressed(char ch)
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{
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static char lastc = ' ';
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if (ch != -1) lastc = ch;
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attron(COLOR_PAIR(2));
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mvprintw(0, 0, "Last Pressed: %c", lastc);
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attroff(COLOR_PAIR(2));
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}
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void showCurPos()
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{
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attron(COLOR_PAIR(2));
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mvprintw(1, 0, "curpos: %i, %i", cursor.x, cursor.y);
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attroff(COLOR_PAIR(2));
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}
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void handleInput(char ch)
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{
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switch (ch) {
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case 'q':
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running = false;
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break;
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case ' ':
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do_step ^= 1;
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break;
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case 'h':
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moveVect2i(&cursor, -1, 0);
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break;
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case 'j':
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moveVect2i(&cursor, 0, 1);
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break;
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case 'k':
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moveVect2i(&cursor, 0, -1);
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break;
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case 'l':
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moveVect2i(&cursor, 1, 0);
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break;
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}
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}
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