a4

a4/game.c

@@ -0,0 +1,140 @@
+#include "game.h"
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define MOUSE_COUNT 5
+
+void* init_game(){
+    srand(time(NULL));
+    struct game* g = malloc(sizeof(struct game));
+
+    // Frame size
+    int frame_width = 30;
+    int frame_height = 10;
+
+    // Get the screen size
+    int width, height;
+    getmaxyx(stdscr, height, width); // Set the size of the terminal
+
+    int start_x = (width - frame_width) / 2;
+    int start_y = (height - frame_height) / 2;
+
+    // Cat coordinate in frame
+    g->catx = start_x + (frame_width / 2);
+    g->caty = start_y + (frame_height / 2);
+
+    // Mice coordinate in frame
+    for(int i = 0; i < MOUSE_COUNT; i++){
+        g->mousex[i] = rand() % (frame_width - 2) + start_x + 1;
+        g->mousey[i] = rand() % (frame_height - 2) + start_y + 1;
+        g->mouse_state[i] = 0;
+    }
+
+    strcpy(g->message, "Use arrow keys to catch the mice!");
+    return g;
+}
+
+int check_collision(struct game* g, int x, int y){
+    for(int i = 0; i < MOUSE_COUNT; i++){
+        if(g->mouse_state[i] == 0 && g->mousex[i] == x && g->mousey[i] == y){
+            return 1;
+        }
+    }
+    return 0;
+}
+
+int game_event(struct event* event, void* gptr){
+    struct game* g = (struct game*)gptr;
+
+    int width, height;
+    getmaxyx(stdscr, height, width);
+
+    int frame_width = 30;
+    int frame_height = 10;
+
+    int start_x = (width - frame_width) / 2;
+    int start_y = (height - frame_height) / 2;
+
+    int min_x = start_x + 1, max_x = start_x + frame_width - 2;
+    int min_y = start_y + 1, max_y = start_y + frame_height - 2;
+
+    if (event->type == EVENT_KEY) {
+        switch (event->key) {
+            case KEY_UP:    if (g->caty > min_y) g->caty--; break;
+            case KEY_DOWN:  if (g->caty < max_y) g->caty++; break;
+            case KEY_LEFT:  if (g->catx > min_x) g->catx--; break;
+            case KEY_RIGHT: if (g->catx < max_x) g->catx++; break;
+            case 27: // ESC
+            case 'q':
+                return 1;
+        }
+    }
+
+    // Mice move
+    int alive = 0;
+    for(int i = 0; i < MOUSE_COUNT; i++){
+        if(g->mouse_state[i] == 0){
+            // If cat catch mice
+            if(g->mousex[i] == g->catx && g->mousey[i] == g->caty){
+                g->mouse_state[i] = 1;
+            }else{
+                // Random move
+                int dir = rand() % 4;
+                int new_mousex = g->mousex[i];
+                int new_mousey = g->mousey[i];
+                switch(dir){
+                    case 0: if (new_mousey > min_y) new_mousey--; break;
+                    case 1: if (new_mousey < max_y) new_mousey++; break;
+                    case 2: if (new_mousex > min_x) new_mousex--; break;
+                    case 3: if (new_mousex < max_x) new_mousex++; break;
+                }
+
+                // Checking whether it overlaps with another mouse
+                if(!check_collision(g, new_mousex, new_mousey)){
+                    g->mousex[i] = new_mousex;
+                    g->mousey[i] = new_mousey;
+                }
+            }
+            alive++;
+        }
+    }
+
+    clear_screen();
+
+    // Draw a frame
+    for(int x = start_x; x < start_x + frame_width; x++){
+        set_cell('#', x, start_y);
+        set_cell('#', x, start_y + frame_height - 1);
+    }
+    for(int y = start_y + 1; y < start_y + frame_height - 1; y++){
+        set_cell('#', start_x, y);
+        set_cell('#', start_x + frame_width - 1, y);
+    }
+
+    // Draw a cat
+    set_cell('C', g->catx, g->caty);
+
+    // Draw a mice
+    for(int i = 0; i < MOUSE_COUNT; i++){
+        if (g->mouse_state[i] == 0) {
+            set_cell('m', g->mousex[i], g->mousey[i]);
+        }
+    }
+
+    // Message
+    if(alive == 0){
+        set_message("You win! Press ESC or q to quit.", 2, height - 2);
+    }else{
+        char msg[100];
+        snprintf(msg, sizeof(msg), "Mice left: %d", alive);
+        set_message(msg, 2, height - 2);
+    }
+
+    // If no mice left quit the game by press ESC or press q for quit any time
+    if(alive == 0 && (event->key == 27 || event->key == 'q')){
+        return 1;
+    }
+
+    return 0;
+}