From 73b1fd787554e7a3cdd778393d846e662022e7d7 Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <automainint@guattari.tech>
Date: Sun, 4 Aug 2024 05:46:18 +0200
Subject: Add p_render_frame proc; Fix delete window atom

---
 examples/landscape.c | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

(limited to 'examples')

diff --git a/examples/landscape.c b/examples/landscape.c
index cb0fefc..624183e 100755
--- a/examples/landscape.c
+++ b/examples/landscape.c
@@ -86,7 +86,7 @@ enum {
 
   IPv4 = 1,
   IPv6 = 2,
-  
+
   BUTTON_LEFT = 256,
   BUTTON_MIDDLE,
   BUTTON_RIGHT,
@@ -147,6 +147,7 @@ typedef i64 (*Thread_Proc)(void *user_data);
 void p_init(void);
 void p_cleanup(void);
 i32  p_handle_events(void);
+void p_render_frame(void);
 
 //  Sound
 void p_handle_audio(i64 time_elapsed);
@@ -474,7 +475,7 @@ u32 u32_from_rgb(f32 red, f32 green, f32 blue) {
 i32 main(i32 argc, c8 **argv) {
   (void) argc;
   (void) argv;
-  
+
   u32 background  = u32_from_rgb(.03f, .08f, .01f);
 
   platform = (Platform) {
@@ -542,6 +543,8 @@ i32 main(i32 argc, c8 **argv) {
 
     for (i32 k = 0; k < world.num_entities; ++k)
       e_render(k);
+
+    p_render_frame();
   }
 
   p_cleanup();
@@ -576,6 +579,7 @@ i64 p_recv(u16 slot, IP_Address address, i64 size, u8 *data, IP_Address *remote_
   (void) address;
   (void) size;
   (void) data;
+  (void) remote_address;
   assert(0);
   return 0;
 }
@@ -749,7 +753,7 @@ void p_init(void) {
 
   XInitImage(&_image);
 
-  _wm_delete_window = XInternAtom(_display, "WM_DELETE__WINDOW", False);
+  _wm_delete_window = XInternAtom(_display, "WM_DELETE_WINDOW", False);
 
   XSetWMProtocols(_display, _window, &_wm_delete_window, 1);
 
@@ -763,16 +767,6 @@ void p_cleanup(void) {
 }
 
 i32 p_handle_events(void) {
-  XEvent            ev;
-  XWindowAttributes attrs;
-
-  XGetWindowAttributes(_display, _window, &attrs);
-
-  if (attrs.width == platform.frame_width && attrs.height == platform.frame_height)
-    XPutImage(_display, _window, _gc, &_image, 0, 0, 0, 0, attrs.width, attrs.height);
-
-  XFlush(_display);
-
   i32 num_events = XEventsQueued(_display, QueuedAlready);
 
   memset(platform.key_pressed, 0, sizeof platform.key_pressed);
@@ -781,6 +775,8 @@ i32 p_handle_events(void) {
   platform.cursor_dy = 0;
   platform.wheel_dy  = 0;
 
+  XEvent ev;
+
   for (i32 i = 0; i < num_events; ++i) {
     XNextEvent(_display, &ev);
 
@@ -857,6 +853,9 @@ i32 p_handle_events(void) {
     }
   }
 
+  XWindowAttributes attrs;
+  XGetWindowAttributes(_display, _window, &attrs);
+
   if ((platform.frame_width != attrs.width || platform.frame_height != attrs.height) && attrs.width * attrs.height * 4 <= (i32) sizeof _buffer) {
     if (attrs.width > 0 && attrs.height > 0) {
       _image.width          = attrs.width;
@@ -871,6 +870,14 @@ i32 p_handle_events(void) {
   return num_events;
 }
 
+void p_render_frame(void) {
+  if (platform.done)
+    return;
+
+  XPutImage(_display, _window, _gc, &_image, 0, 0, 0, 0, platform.frame_width, platform.frame_height);
+  XFlush(_display);
+}
+
 #endif
 
 //  ================================================================
-- 
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