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	main.c - gnuskii - GNUSki improved for ascii skiing experience.
	git clone git://bitreich.org/gnuskii git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws…
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	main.c (5070B)
	---
	1 /* GNUSki - a clone of the old game Skifree where you race downhill
	2 avoiding rocks and trees and try to score points by doing some
	3 tricks.
	4 Copyright (C) 2007 Rudolf Olah
	5
	6 This program is free software; you can redistribute it and/or modify
	7 it under the terms of the GNU General Public License as published by
	8 the Free Software Foundation; either version 2 of the License, or
	9 (at your option) any later version.
	10
	11 This program is distributed in the hope that it will be useful,
	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14 GNU General Public License for more details.
	15
	16 You should have received a copy of the GNU General Public License
	17 along with this program; if not, write to the Free Software
	18 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-130…
	19 */
	20
	21 #include "objects.h"
	22 #include <stdlib.h>
	23 #include <time.h>
	24 #include <stdio.h>
	25 #include <unistd.h>
	26 #include <ncurses.h>
	27
	28 #define MAX_OBJECTS 128
	29
	30 int main (int argc, char* argv[])
	31 {
	32 const long fps = argc != 2 ? 20l : strtol(argv[1], NULL, 10);
	33 struct Object player, objects[MAX_OBJECTS];
	34 unsigned int c = 0, i = 0, maxRows, maxCols, score = 0,
	35 distance = 0, speed = 2, style = 0, frame_counter = 0;
	36 enum mode {loop, lose, win} state = loop;
	37 char facing[2] = {'s', 'n'}; /* Player facing, object facing */
	38
	39 srand ((unsigned)time (NULL)); /* Seed random-number generator */
	40 initscr (); /* Start ncurses */
	41 cbreak (); /* Allow control breaks (Ctrl+C) */
	42 noecho (); /* Don't echo characters to screen */
	43 keypad (stdscr, true); /* Allow cursor key usage */
	44 curs_set (0); /* Hide the cursor */
	45 getmaxyx (stdscr, maxRows, maxCols); /* Get coordinates of the termina…
	46 setupColors ();
	47
	48 /* Create objects */
	49 player = makeObject (skier, maxCols/2, maxRows/2);
	50 for (i = 0; i < MAX_OBJECTS; i++) {
	51 objects[i] = makeObject (rand () % 3+1,
	52 rand () % maxCols,
	53 rand () % (maxRows*4 + maxRows/2));
	54 }
	55
	56 objects[rand() % MAX_OBJECTS] = makeObject (bigfoot,
	57 rand () % maxCols,
	58 rand () % (maxRows*4 + maxRows/2));
	59 objects[rand() % MAX_OBJECTS] = makeObject (snowman,
	60 rand () % maxCols,
	61 rand () % (maxRows*4 + maxRows/2));
	62
	63 /* Menu will go here */
	64 printw ("GNUSki 0.3 - Skifree clone using NCurses, licensed under the …
	65 printw ("left, h, h - lean left\n");
	66 printw ("right, L, l - lean right\n");
	67 printw ("up, K, k - slow down\n");
	68 printw ("down, J, j - speed up\n");
	69 printw ("space - go into trick mode (beware, you can't move)\n");
	70 printw ("Press any key to start...");
	71 refresh ();
	72 getch ();
	73 nodelay (stdscr, true); /* No waiting for input from the user */
	74 while (state == loop)
	75 {
	76 switch (c)
	77 {
	78 case KEY_LEFT: case 'h': case 'H':
	79 if (player.trick) break;
	80 facing[0] = '4';
	81 facing[1] = '2';
	82 break;
	83 case KEY_RIGHT: case 'l': case 'L':
	84 if (player.trick) break;
	85 facing[0] = '3';
	86 facing[1] = '1';
	87 break;
	88 case KEY_UP: case 'k': case 'K':
	89 if (player.trick) break;
	90 if (speed > 0)
	91 speed--;
	92 break;
	93 case KEY_DOWN: case 'j': case 'J':
	94 if (player.trick) break;
	95 if (speed < 4)
	96 speed++;
	97 break;
	98 case ' ':
	99 player.trick++;
	100 break;
	101 case 'Q': case 'q':
	102 state = lose;
	103 break;
	104 }
	105
	106 clear ();
	107
	108 /* Check for collisions and draw the objects */
	109 for (i = 0; i < MAX_OBJECTS; i++)
	110 {
	111 if (objects[i].type != none && collision (player, objects[…
	112 state = lose;
	113 /* Calculate actual movement based on speed and frame coun…
	114 int actual_speed = 0;
	115 if (speed == 0) actual_speed = 0;
	116 else if (speed == 1 && frame_counter % 4 == 0) actual_spee…
	117 else if (speed == 2 && frame_counter % 3 == 0) actual_spee…
	118 else if (speed == 3 && frame_counter % 2 == 0) actual_spee…
	119 else if (speed == 4) actual_speed = 1;
	120
	121 moveObject (&objects[i], facing[1], actual_speed);
	122 if (objects[i].y < 0)
	123 setPosition (&objects[i], rand () % (maxCols*2),
	124 rand () % maxRows + maxRows);
	125 if (objects[i].x > 2 && objects[i].x < maxCols-2
	126 && objects[i].y > 2 && objects[i].y < maxRows-2)
	127 draw (objects[i], facing[1]);
	128 }
	129 draw (player, facing[0]);
	130 if (player.trick) {
	131 style += 1;
	132 player.trick -= 0.10;
	133 if (player.trick < 0) player.trick = 0;
	134 }
	135 printw ("Time: 0:00:00.00\n");
	136 printw ("Dist: %02im\n", distance);
	137 printw ("Speed: %02im/s\n", speed);
	138 printw ("Style: %4i (trick = %.2f%%)", style, player.trick*…
	139 distance += speed;
	140 frame_counter++;
	141 refresh ();
	142 usleep(1000000 / fps);
	143 c = getch ();
	144 }
	145 clear ();
	146 if (state == win)
	147 printw ("You won.");
	148 else
	149 printw ("You lost.");
	150 printw ("Your score was %i. You traveled %im.\nPress any key to contin…
	151 distance+style, distance);
	152 refresh ();
	153 nodelay (stdscr, false);
	154 getch ();
	155
	156 endwin ();
	157 return 0;
	158 }