From 5cb51ec0e213572e20b2b34450fae5f964ae6b14 Mon Sep 17 00:00:00 2001
From: Daniel Hladek <daniel.hladek@tuke.sk>
Date: Tue, 20 Apr 2021 09:00:42 +0200
Subject: [PATCH] new version of world, removed game.c

---
 README.md |  3 +-
 game.c    | 88 -------------------------------------------------------
 game.h    | 11 -------
 main.c    | 16 ++++++++--
 4 files changed, 15 insertions(+), 103 deletions(-)
 delete mode 100644 game.c
 delete mode 100644 game.h

diff --git a/README.md b/README.md
index 0d01c7b..79a2d67 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,6 @@ Please do not change file names.
 - `snake.h`: you implementation should follow this header.
 - `snake.c`: implemement the game according to the documentation in header file  in this file to pass automatic tests.
 - `Makefile`: rules to build the game.
-- `game.c`: modify this file to change the appereance of the game and the initial state.
-- `main.c`: trivial main function that runs the game
+- `main.c`: trivial main function that runs the game, modify this file to change the appereance of the game and the initial state.
 - `world.c`: world game loop and ASCII graphics library (do not change).
 - `world.h`: world library interface (do not change).
diff --git a/game.c b/game.c
deleted file mode 100644
index 1ec7102..0000000
--- a/game.c
+++ /dev/null
@@ -1,88 +0,0 @@
-#include <curses.h>
-#include <stdlib.h>
-#include <string.h>
-#include "world.h"
-#include "game.h"
-#include "snake.h"
-// This file contains functions for drawing the the game and changing the state
-
-// Start is called one in the beginning
-void* init_game(){
-    // Allocate memory for the state
-    struct state* st = calloc(1,(sizeof(struct state)));
-    return st;
-
-}
-
-void init_snake(struct event* world, struct state* st){
-    int cy = world->height/2;
-    int cx = world->width/2 - 5;
-    for (int i = 0; i < 5; i++){
-        st->snake = add_snake(st->snake,cx + i ,cy);
-    }
-
-    int h = world->height;
-    int w = world->width;
-    for (int i = 0; i < 5; i++){
-        st->foodx[i] = rand() % w;
-        st->foody[i] = rand() % h;
-    }
-}
-
-// Step is called in a loop once in interval.
-// It should modify the state and draw it.
-int world_event(struct event* w,void* game){
-    // Get state pointer
-    struct state* st = game;
-    if (w->type == EVENT_START){
-        init_snake(w,st);
-    }
-    else if (w->type == EVENT_KEY){
-        int key = w->key;
-
-        if (key == KEY_RIGHT){
-           st->sx = 1;
-           st->sy = 0;
-        }
-        else if (key == KEY_LEFT){
-            st->sx = -1;
-            st->sy = 0;
-        }
-        else if (key == KEY_DOWN){
-            st->sx = 0;
-            st->sy = 1;
-        }
-        else if (key == KEY_UP){
-            st->sx = 0;
-            st->sy = -1;
-        }
-    }
-    else if (w->type == EVENT_ESC){
-            // Non zero means finish the loop and stop the game.
-            return 1;
-    }
-    else if (w->type == EVENT_TIMEOUT){
-        st->width = w->width;
-        st->height = w->height;
-        int r = step_state(st);
-        // Draw snake
-        struct snake* sn = st->snake;
-        while (sn != NULL){
-            set_cell('x',sn->x,sn->y);
-            sn = sn->next;
-        }
-        for (int i = 0 ; i < FOOD_COUNT; i++){
-            if (st->foodx[i] >= 0 && st->foody[i] >= 0){
-                set_cell('*',st->foodx[i],st->foody[i]);
-            }
-        }
-        if (r){
-            char message[] = "Koniec";
-            for (int i = 0; i < 6; i++){
-                set_cell(message[i],10+i,10);
-            }
-        }
-    }
-    return 0;
-}
-
diff --git a/game.h b/game.h
deleted file mode 100644
index c3eea84..0000000
--- a/game.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef _GAME_H_INCLUDE_
-#define _GAME_H_INCLUDE_
-#include "world.h"
-
-// Returns pointer to  newly allocated state
-void* init_game();
-
-// Changes world according to the game state (pressed key, screen size or other event)
-int world_event(struct event* event,void* state);
-
-#endif
diff --git a/main.c b/main.c
index 9e95e66..a67292d 100644
--- a/main.c
+++ b/main.c
@@ -11,9 +11,13 @@ void* init_game(){
     // Allocate memory for the state
     struct state* st = calloc(1,(sizeof(struct state)));
     return st;
-
 }
 
+// The first event
+// Initialize game state
+// - borders
+// - snake position
+// - food position
 void init_snake(struct event* world, struct state* st){
     int cy = world->height/2;
     int cx = world->width/2 - 5;
@@ -35,11 +39,13 @@ int world_event(struct event* w,void* game){
     // Get state pointer
     struct state* st = game;
     if (w->type == EVENT_START){
+        // Called on beginning
         init_snake(w,st);
     }
+    // Called on key press
     else if (w->type == EVENT_KEY){
         int key = w->key;
-
+        // Modifies vector of snake movement
         if (key == KEY_RIGHT){
            st->sx = 1;
            st->sy = 0;
@@ -57,13 +63,17 @@ int world_event(struct event* w,void* game){
             st->sy = -1;
         }
     }
+    // Called on esc key
     else if (w->type == EVENT_ESC){
             // Non zero means finish the loop and stop the game.
             return 1;
     }
+    // Called on interval timeout
     else if (w->type == EVENT_TIMEOUT){
+        // Copy screen size
         st->width = w->width;
         st->height = w->height;
+        // Change game state
         int r = step_state(st);
         // Draw snake
         struct snake* sn = st->snake;
@@ -71,11 +81,13 @@ int world_event(struct event* w,void* game){
             set_cell('x',sn->x,sn->y);
             sn = sn->next;
         }
+        // Draw food
         for (int i = 0 ; i < FOOD_COUNT; i++){
             if (st->foodx[i] >= 0 && st->foody[i] >= 0){
                 set_cell('*',st->foodx[i],st->foody[i]);
             }
         }
+        // Stop the game
         if (r){
             char message[] = "Koniec";
             for (int i = 0; i < 6; i++){