Initialization

a2/snake.c

@@ -1,110 +1,92 @@
-#include "world.h"
 #include <stdlib.h>
 #include <curses.h>
-#include <stdlib.h>
 #include <string.h>
-#include "snake.h"
+#include "world.h"
-// This file contains functions for drawing the the game and changing the state
 
-// Start is called one in the beginning
+// Game state structure
-void* init_game(){
+struct state {
-    // Allocate memory for the state
+    int width;
-    struct state* st = calloc(1,(sizeof(struct state)));
+    int height;
+    int sx;
+    int sy;
+    struct snake* snake;
+    int foodx[5];
+    int foody[5];
+};
+
+// Initialize game state
+void* init_game() {
+    struct state* st = calloc(1, sizeof(struct state));
     return st;
 }
 
-// The first event
 // Initialize game state
-// - borders
+void init_snake(struct event* world, struct state* st) {
-// - snake position
+    int cy = world->height / 2;
-// - food position
+    int cx = world->width / 2 - 5;
-void init_snake(struct event* world, struct state* st){
+    for (int i = 0; i < 5; i++) {
-    int cy = world->height/2;
+        st->snake = add_snake(st->snake, cx + i, cy);
-    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++){
+    for (int i = 0; i < 5; i++) {
         st->foodx[i] = rand() % w;
         st->foody[i] = rand() % h;
     }
-    // Initial game vector
     st->sx = 1;
     st->sy = 0;
 }
 
-// Step is called in a loop once in interval.
+// Handle game events
-// It should modify the state and draw it.
+int world_event(struct event* w, void* game) {
-int world_event(struct event* w,void* game){
-    // Get state pointer
     struct state* st = game;
-    if (w->type == EVENT_START){
+    if (w->type == EVENT_START) {
-        // Called on beginning
+        init_snake(w, st);
-        init_snake(w,st);
+    } else if (w->type == EVENT_KEY) {
-    }
-    // Called on key press
-    else if (w->type == EVENT_KEY){
         int key = w->key;
-        // Modifies vector of snake movement
+        if (key == KEY_RIGHT) {
-        if (key == KEY_RIGHT){
+            st->sx = 1;
-           st->sx = 1;
+            st->sy = 0;
-           st->sy = 0;
+        } else if (key == KEY_LEFT) {
-        }
-        else if (key == KEY_LEFT){
             st->sx = -1;
             st->sy = 0;
-        }
+        } else if (key == KEY_DOWN) {
-        else if (key == KEY_DOWN){
             st->sx = 0;
             st->sy = 1;
-        }
+        } else if (key == KEY_UP) {
-        else if (key == KEY_UP){
             st->sx = 0;
             st->sy = -1;
         }
-    }
+    } else if (w->type == EVENT_ESC) {
-    // Called on esc key
+        return 1;
-    else if (w->type == EVENT_ESC){
+    } else if (w->type == EVENT_TIMEOUT) {
-            // Non zero means finish the loop and stop the game.
-            return 1;
-    }
-    // Called on interval timeout
-    else if (w->type == EVENT_TIMEOUT){
         clear_screen();
-        // Copy screen size
         st->width = w->width;
         st->height = w->height;
-        // Change game state
         int r = step_state(st);
         char ms[200];
-        sprintf(ms,"r %d\n",r);
+        sprintf(ms, "r %d\n", r);
-        set_message(ms,9,9);
+        set_message(ms, 9, 9);
-        // Draw snake
         struct snake* sn = st->snake;
-        while (sn != NULL){
+        while (sn != NULL) {
-            set_cell('x',sn->x,sn->y);
+            set_cell('x', sn->x, sn->y);
             sn = sn->next;
         }
-        // Draw food
+        for (int i = 0; i < FOOD_COUNT; i++) {
-        for (int i = 0 ; i < FOOD_COUNT; i++){
+            if (st->foodx[i] >= 0 && st->foody[i] >= 0) {
-            if (st->foodx[i] >= 0 && st->foody[i] >= 0){
+                set_cell('*', st->foodx[i], st->foody[i]);
-                set_cell('*',st->foodx[i],st->foody[i]);
             }
         }
-        // Stop the game
+        if (r) {
-        if (r){
             char message[] = "Koniec";
-            set_message(message,10,10);
+            set_message(message, 10, 10);
         }
     }
     return 0;
 }
 
-
+int main(int argc, char** argv) {
-int main(int argc, char** argv){
+    start_world(init_game, world_event, free);
-    start_world(init_game,world_event,free);
     return 0;
 }