From b1dd4a1febacbf44bfa95ee2c71448aadfa52a16 Mon Sep 17 00:00:00 2001
From: Alexander Zhirov <a.zhirov@agrohold.ru>
Date: Fri, 5 May 2023 09:19:22 +0300
Subject: [PATCH] first

---
 Makefile |  11 ++++++
 main.c   | 101 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 112 insertions(+)
 create mode 100644 Makefile
 create mode 100644 main.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cfdf2cf
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+CXX = g++
+FLAGS = -Wall
+LDFLAGS = -lallegro-static
+LIBS  = -L./
+OTHER_FLAGS = -lwinmm -lopengl32 -lgdi32 -lole32 -lshlwapi
+WINFLAG = -mwindows
+BIN = main
+SOURCE = main.c
+
+all:
+    $(CXX) $(SOURCE) $(LIBS) $(LDFLAGS) $(FLAGS) $(OTHER_FLAGS) $(WINFLAG) -o $(BIN)
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..a3839ed
--- /dev/null
+++ b/main.c
@@ -0,0 +1,101 @@
+#include <stdio.h>
+#include <allegro5/allegro.h>
+
+const float FPS = 60;
+
+int main(int argc, char *argv[])
+{
+    ALLEGRO_DISPLAY *display = NULL;
+    ALLEGRO_EVENT_QUEUE *event_queue = NULL;
+    ALLEGRO_TIMER *timer = NULL;
+
+    bool running = true;
+    bool redraw = true;
+
+    // Initialize allegro
+    if (!al_init())
+    {
+        fprintf(stderr, "Failed to initialize allegro.\n");
+        return 1;
+    }
+
+    // Initialize the timer
+    timer = al_create_timer(1.0 / FPS);
+    if (!timer)
+    {
+        fprintf(stderr, "Failed to create timer.\n");
+        return 1;
+    }
+
+    // Create the display
+    display = al_create_display(640, 480);
+    if (!display)
+    {
+        fprintf(stderr, "Failed to create display.\n");
+        return 1;
+    }
+
+    // Create the event queue
+    event_queue = al_create_event_queue();
+    if (!event_queue)
+    {
+        fprintf(stderr, "Failed to create event queue.");
+        return 1;
+    }
+
+    // Register event sources
+    al_register_event_source(event_queue, al_get_display_event_source(display));
+    al_register_event_source(event_queue, al_get_timer_event_source(timer));
+
+    // Display a black screen
+    al_clear_to_color(al_map_rgb(0, 0, 0));
+    al_flip_display();
+
+    // Start the timer
+    al_start_timer(timer);
+
+    // Game loop
+    while (running)
+    {
+        ALLEGRO_EVENT event;
+        ALLEGRO_TIMEOUT timeout;
+
+        // Initialize timeout
+        al_init_timeout(&timeout, 0.06);
+
+        // Fetch the event (if one exists)
+        bool get_event = al_wait_for_event_until(event_queue, &event, &timeout);
+
+        // Handle the event
+        if (get_event)
+        {
+            switch (event.type)
+            {
+            case ALLEGRO_EVENT_TIMER:
+                redraw = true;
+                break;
+            case ALLEGRO_EVENT_DISPLAY_CLOSE:
+                running = false;
+                break;
+            default:
+                fprintf(stderr, "Unsupported event received: %d\n", event.type);
+                break;
+            }
+        }
+
+        // Check if we need to redraw
+        if (redraw && al_is_event_queue_empty(event_queue))
+        {
+            // Redraw
+            al_clear_to_color(al_map_rgb(0, 0, 0));
+            al_flip_display();
+            redraw = false;
+        }
+    }
+
+    // Clean up
+    al_destroy_display(display);
+    al_destroy_event_queue(event_queue);
+
+    return 0;
+}
\ No newline at end of file