From 68c2ae249865a6f31f8d280723f9b797fbbba07c Mon Sep 17 00:00:00 2001
From: Noah Swerhun <noah@noahsw.xyz>
Date: Sat, 18 Sep 2021 00:02:33 -0500
Subject: [PATCH] apple field added

---
 config.h            |   7 ++++++-
 nsnake              | Bin 17584 -> 18160 bytes
 obj/apple.o         | Bin 1848 -> 2112 bytes
 obj/field.o         | Bin 0 -> 3048 bytes
 obj/main.o          | Bin 4368 -> 5136 bytes
 obj/snake.o         | Bin 3616 -> 3800 bytes
 src/apple.c         |   8 ++++++++
 src/field.c         |  36 ++++++++++++++++++++++++++++++++++++
 src/include/apple.h |   2 ++
 src/include/field.h |  18 ++++++++++++++++++
 src/include/main.h  |   1 +
 src/main.c          |  23 ++++++++++++++++++++---
 src/snake.c         |   7 ++++++-
 13 files changed, 97 insertions(+), 5 deletions(-)
 create mode 100644 obj/field.o
 create mode 100644 src/field.c
 create mode 100644 src/include/field.h

diff --git a/config.h b/config.h
index 6b50bd0..67d677a 100644
--- a/config.h
+++ b/config.h
@@ -8,13 +8,18 @@
 #define  left_key 'h'
 #define  quit_key 'q'
 
-// The starting legnth of the snake
+// Starting legnth of the snake
 static const size_t starting_len = 15;
 
+// Number of apples on the field
+static const size_t n_apples = 10;
+
 // Speed of snake (milliseconds between moves)
 static const int screen_speed = 150;
 
 // Character for each snake segment
 static const char snake_ch = '#';
+// Character for apples
+static const char apple_ch = '*';
 
 #endif
diff --git a/nsnake b/nsnake
index a7ff1bf2687ec2b7c2466ce77d4be3bbeed15ac3..fe9d052297541330540cc5c28f575f58c4ff5580 100755
GIT binary patch
delta 5398
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diff --git a/obj/apple.o b/obj/apple.o
index 34e4548bed5818dcb3427b725711f16b24cf7fbc..62ef403ae012e33b2fb73d5c8faaa01595ccf98e 100644
GIT binary patch
delta 389
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delta 214
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diff --git a/obj/field.o b/obj/field.o
new file mode 100644
index 0000000000000000000000000000000000000000..a7bf743bf87c697b9f42dab9b543ddb87aad97fe
GIT binary patch
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zeZ%lKl<WEY)8@vKHXUezbl|rrtsb%D*<<}B{Kp0CtGFBdP3|9lYtrhsNq;z~jGbit
Ezu)!gga7~l

literal 0
HcmV?d00001

diff --git a/obj/main.o b/obj/main.o
index d9c7a06f3e53fd641b076e359cbde4dc962e560d..712eeb3a4b4a94ee07a03535c6226a5eec569ed6 100644
GIT binary patch
literal 5136
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zPn)T<ZdwD(QICb9rUq}i|H-@%2OlZ;J3+JnYb4k@@;>(X;Z1_iO1wt`CE`?8vL8$_
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tKe6#=**fAk5B`RB`y+Fo9YEv?6Yg;>n5#*@bt?H!vi$LPnP_hR{{R;opm+cP

literal 4368
zcmbuCUuYaf9LHyqv`Mw?rM1<XR(sf1a<rZe6lsfuYvVPGoVJ*T_Mv)i?&fmW<o1r;
zjdu~Mm3Z3aILS*Sph5)^eDKeU^bgovT5VboO&`=Zi4S6HibSYzMIruvvon{;dIO?A
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zFSdfegmcm>oXy;1F)pc0U|zjk@kalR?k<nJSEud)J!><Cd02@}eC#&#eyXOIqqTag
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zeCd(!fNhg7qgKu%iCi{IO%Rwlhlb(9?J+n25<|Q`XpV&QRxVF1XOuUj>3GUAvQ&)s
z|N0;#z*h{v?_`Vc$_2h&BF0}wQ6>27;=2~96R!~DA6i9xIl*x6#J1x5OFVCna?WK?
z^X#s#U%~zT<MV?#|7&~vZo{1a=#D3hKuk6<e!;q+&}jaXc({PEe>dQ9{`hS!+Kc&j
z1H=Bs^A1I35#B%U{j!Pq3*QStQI>Um{srMdzxEjLR=E80KhE3x$0f!u`pQ88bNbt#
z;q8k;$i2V)N#Kpv?+h*&nC>~Yet5o%_G0}S_05`KQm{>Y9C$|KJpJwQJEGB2Z9*|v
YlW)O%Rf1=EqxQ3W{G%+((vQFW-w3$i=Kufz

diff --git a/obj/snake.o b/obj/snake.o
index 0cb51d435a01356ed6328a081c07ca4064e70540..9e7108a3400371ffecaa67f8a58f307c45bc5ffe 100644
GIT binary patch
delta 889
zcmZ`&%}X0W6yMowlHKfX^I?)DXh|SYwu$v-Lj@E3pz2YikV_3VE>zlv#iY=aS`VHS
zTppBML<R986p9B^Xb~@-Jor(H#~%9+^dMN;nb{W@1Ru=2ncw^U-rM(>-RZl2xM|B(
z-76dr^5y50?7ixRY+xxJm3)h!|3rPh0G|V1N@_Od-Z%sGp&UQd+{J}P3mz%`P*pn7
zeI^)r5L=VS%#geb*`PPAVv;QNL<&kVyesJY5l`ZspdUm$bq6oQMbILXKtdLoWjo|d
z1(Z;dEU;VVJ>@58rEAo^K)=cr9^c#GQT0COA0q!!_KCa)dOYULQ@)?E9dhAxzEPWV
z-M3CtYStGWr%`LVjx+BMrB;6}u^>!@w;yM)D(h0G>-L{-MZ{UL09{Flt34S*U{sO8
zl`yRKrp6Ij6(R<_Q>~0C=)yQSri;RsYQe2)#GfPDt=EE!JN3Q^x&-{CSrbCmJWhpW
zO~4b)S{9>6VpLH5M!Z{fkH(n&5%^-ygKQMkSeU(o?zAe1v+C>}P`tqBICGESr65Qj
ze%Hnb`2a*OMO=J_F&Renr*bC%yOA_(>UQ^duG?A%)jxn3C9)3BjEcOi_)NnlJMh)0
tkaM`9@Ja-R%yP;N(yyXsV`Ho-4K~c8)(-Q4bOk47N&AJrQVTxn+5dyM%dP+b

delta 705
zcmZ`#JuE{}6u$Sh_1=Ab@2OVv)L$eO8b3o9MbIDyiA6+ML>fBzNvkm!5KAKw2{~dz
z4HAhM8WuL2g@i$jY*r=_3FqE-D{pa<^YhO4o$uW9p6d#=J29o8@3x%LpW@T70^Odq
z3PMOZI=6lFD1m#=E^K>4UfzO3?{#pCSN&EXuMC=HO5RX4Ncrnw)0gQIBt)a=l=z6j
zsc6(mqz!ZM?~9OU+3$c<nN3GT920Ru#2L83en!;mJVx?Tp<POz$h;@eV~IX0j<9$t
zmghp@Qp9W6P}?hVGfV08;&d*PPS29uVrmW^)FZq+;tUdg34>LwCS1Cq(}n18uGw`A
zJKsN!ElZRy_MrE`s}?eK7vmDLnhjOVh?uT!lYBqlXF)Hk3D0B2ZOnz}u)u8SVFrDN
zI98{q5<pIA`?$Q9s|4VV*(o<#%^!ruNkR0|RHN+ksgSGR`44}<#jm_r)(0t_f-8SQ
ze^YT9?S;aZzk?n?+(=@~8c9}=Gly_xBxoPJBQgqcGf5{Qi*XZ*W>UFj@L~3aV?Iac
ZQ=ZO$y$VBCD{GJ&ZeYbq&=?f0=3fDXqrCtC

diff --git a/src/apple.c b/src/apple.c
index ae5951e..61e880f 100644
--- a/src/apple.c
+++ b/src/apple.c
@@ -18,3 +18,11 @@ Apple *new_apple(int x, int y) {
 void delete_apple(Apple *a) {
     free_s(a);
 }
+
+void apple_relocate(Apple *a, int x, int y) {
+    if (!a)
+        die("apple.c: apple_relocate(): 'a' is null pointer");
+
+    a->x = x;
+    a->y = y;
+}
diff --git a/src/field.c b/src/field.c
new file mode 100644
index 0000000..acdd947
--- /dev/null
+++ b/src/field.c
@@ -0,0 +1,36 @@
+#include <stdlib.h>
+#include <ncurses.h>
+
+#include "include/main.h"
+#include "include/field.h"
+#include "include/apple.h"
+#include "../config.h"
+
+Field *new_field(size_t num, int x_max, int y_max) {
+    Field *f;
+    f = (Field *)malloc(sizeof(Field));
+    if (!f)
+        die("field.c: new_field(): 'f' is null pointer");
+
+    f->num = num;
+    f->x_max = x_max;
+    f->y_max = y_max;
+    f->a = (Apple **)malloc(sizeof(Apple *) * f->num);
+    if (!f->a)
+        die("field.c: new_field(): 'f->a' is null pointer");
+    for (size_t i = 0; i < f->num; i++)
+        f->a[i] = new_apple(irandom(5, f->x_max - 5), irandom(5, f->y_max - 5));
+
+    return f;
+}
+
+void delete_field(Field *f) {
+    for (size_t i = 0; i < f->num; i++)
+        delete_apple(f->a[i]);
+    free_s(f);
+}
+
+void field_print(Field *f) {
+    for (size_t i = 0; i < f->num; i++)
+        mvaddch(f->a[i]->y, f->a[i]->x, apple_ch);
+}
diff --git a/src/include/apple.h b/src/include/apple.h
index d1333a5..d985e0b 100644
--- a/src/include/apple.h
+++ b/src/include/apple.h
@@ -9,4 +9,6 @@ typedef struct apple_T {
 Apple *new_apple(int, int);
 void delete_apple(Apple *);
 
+void apple_relocate(Apple *, int, int);
+
 #endif
diff --git a/src/include/field.h b/src/include/field.h
new file mode 100644
index 0000000..2b423cb
--- /dev/null
+++ b/src/include/field.h
@@ -0,0 +1,18 @@
+#ifndef FIELD_H
+#define FIELD_H
+
+#include "apple.h"
+
+typedef struct field_T {
+    Apple **a;
+    size_t num;
+    int x_max;
+    int y_max;
+} Field;
+
+Field *new_field(size_t, int, int);
+void delete_field(Field *);
+
+void field_print(Field *);
+
+#endif
diff --git a/src/include/main.h b/src/include/main.h
index 5d4df47..02b5028 100644
--- a/src/include/main.h
+++ b/src/include/main.h
@@ -3,5 +3,6 @@
 
 void die(char *, ...);
 void free_s(void *);
+int irandom(int, int);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 4473b48..9b9a623 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,9 +2,11 @@
 #include <stdlib.h>
 #include <stdarg.h>
 #include <ncurses.h>
+#include <time.h>
 
 #include "include/main.h"
 #include "include/snake.h"
+#include "include/field.h"
 #include "../config.h"
 
 void die(char *fmt, ...) {
@@ -24,9 +26,18 @@ void free_s(void *p) {
     p = NULL;
 }
 
+int irandom(int lower, int upper) {
+    int i;
+    i = (rand() % (upper - lower + 1)) + lower;
+    return i;
+}
+
 int main(void) {
-    int c, dirn;
+    int c, dirn, score;
     Snake *s;
+    Field *f;
+
+    srand(time(NULL));
 
     // init ncurses
     initscr();
@@ -37,9 +48,15 @@ int main(void) {
     curs_set(0);
 
     s = new_snake(starting_len, getmaxx(stdscr) / 2, getmaxy(stdscr) / 2);
+    f = new_field(n_apples, getmaxx(stdscr), getmaxy(stdscr));
     dirn = UP;
+    score = 0;
 
     while ((c = getch())) {
+        clear();
+        refresh();
+
+        field_print(f);
         switch (c) {
             case    up_key: dirn = UP;    break;
             case  down_key: dirn = DOWN;  break;
@@ -48,14 +65,14 @@ int main(void) {
             case  quit_key: goto quit;
         }
         snake_forward(s, dirn);
-        clear();
-        refresh();
         snake_print(s);
+
         refresh();
         napms(screen_speed);
     } 
 
 quit:
     delete_snake(s);
+    delete_field(f);
     endwin();
 }
diff --git a/src/snake.c b/src/snake.c
index ad7c5f5..8b2374c 100644
--- a/src/snake.c
+++ b/src/snake.c
@@ -16,7 +16,7 @@ Snake *new_snake(size_t len, int x, int y) {
     if (!s->n)
         die("snake.c: new_snake(): 's->n' is null pointer");
     for (size_t i = 0; i < s->len; i++)
-        s->n[i] = new_segment(x, y--);
+        s->n[i] = new_segment(x, y++);
 
     return s;
 }
@@ -30,6 +30,7 @@ void delete_snake(Snake *s) {
 void snake_forward(Snake *s , int dirn) {
     if (!s)
         die("snake.c: snake_forward(): 's' is null pointer");
+
     switch (dirn) {
         case UP:
             segment_move(s->n[0], s->n[0]->x, s->n[0]->y - 1);
@@ -44,6 +45,7 @@ void snake_forward(Snake *s , int dirn) {
             segment_move(s->n[0], s->n[0]->x - 1, s->n[0]->y);
         break;
     }
+
     for (size_t i = 1; i < s->len; i++)
         segment_move(s->n[i], s->n[i - 1]->prev_x,
                               s->n[i - 1]->prev_y);
@@ -51,6 +53,9 @@ void snake_forward(Snake *s , int dirn) {
 }
 
 void snake_print(Snake *s) {
+    if (!s)
+        die("snake.c: snake_print(): 's' is null pointer");
+
     for (size_t i = 0; i < s->len; i++)
         mvaddch(s->n[i]->y, s->n[i]->x, snake_ch);
 }