From a049134af7b0f82746eab9ec032f61a62eb67ecd Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Fri, 12 Mar 2021 18:57:05 +0000
Subject: add arguments and buttons handling

---
 main.cpp | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 55 insertions(+), 6 deletions(-)

diff --git a/main.cpp b/main.cpp
index e013252..56d639c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,5 @@
 #include <ncurses.h>
+#include <string.h>
 #include <stdlib.h>
 #include <time.h>
 
@@ -7,26 +8,67 @@
 #include "models.hpp"
 #include "veh_models.hpp"
 
+#define APP_NAME "aroad" 
+const int key_escape = 27;
+
 int main(int argc, char *argv[])
 {
+	if(argc > 1) {
+		if(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
+			printf("Usage: %s [-h, --help]\n"
+				"Copyright (C) 2021 Aleksandr D. Goncharov (Joursoir)\n"
+				"Control:\n"
+				"\t'Q', 'q', 'ESC' - exit app\n"
+				"\tKey right - speed up vehicles\n"
+				"\tKey left - speed down vehicles\n", APP_NAME);
+			return 0;
+		}
+		printf("%s: invalid argument -- '%s'\n", APP_NAME, argv[1]);
+		return 1;
+	}
 	int total_rows, total_cols;
 	initscr();
 	noecho();
 	curs_set(0);
 	srand(time(0));
+	nodelay(stdscr, true);
+	keypad(stdscr, true);
 
 	getmaxyx(stdscr, total_rows, total_cols);
 	struct timespec my_timer;
 	my_timer.tv_sec = 0;
-	my_timer.tv_nsec = 50000000; // 100000000
+	my_timer.tv_nsec = 100000000;
 
 	GameWorld *world = new GameWorld(total_rows, total_cols);
 	Vehicle *car = 0;
 	struct ll_vehicle *ptr_first = new struct ll_vehicle(0, 0);
 	struct ll_vehicle *ptr;
 	int wait_move = 0;
+	int pressed_button = 0;
+	bool flag_ride = true;
 	for(;;) {
 
+		/* buttons handling */
+		while((pressed_button = getch()) != ERR) {
+			if(pressed_button == key_escape ||
+				pressed_button == 'Q' ||
+				pressed_button == 'q') {
+				flag_ride = false;
+				break;
+			}
+			else if(pressed_button == KEY_RIGHT) {
+				if(my_timer.tv_nsec > 10000000)
+					my_timer.tv_nsec -= 10000000;
+			}
+			else if(pressed_button == KEY_LEFT) {
+				if(my_timer.tv_nsec < 900000000)
+					my_timer.tv_nsec += 10000000;
+			}
+			else
+				break;
+		}
+
+		/* vehicle road */
 		ptr = ptr_first;
 		while(ptr)
 		{
@@ -34,6 +76,8 @@ int main(int argc, char *argv[])
 			if(!car) {
 				if(wait_move > 0)
 					break;
+				if(!flag_ride)
+					break;
 
 				int type = rand() % veh_types_max;
 				ptr->data = new Vehicle(type, total_rows-1, -veh_store[type].length);
@@ -42,23 +86,28 @@ int main(int argc, char *argv[])
 
 				ptr->next = new struct ll_vehicle(0, 0);
 			}
-						
+			
+			ptr = ptr->next;
 			if(!car->MoveRight(world)) {
-				ptr = ptr->next;
 				delete car;
 				delete ptr_first;
 				ptr_first = ptr;
-				continue;
+				if(ptr_first->data == 0) {
+					delete ptr_first;
+					ptr_first = 0;
+					ptr = 0;
+				}
 			}
-
-			ptr = ptr->next;
 		}
+		if(ptr_first == 0)
+			break;
 
 		wait_move--;
 		world->Update();
 		nanosleep(&my_timer, NULL);
 	}
 
+	delete world;
 	endwin();
 	return 0;
 }
-- 
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