editor ui rework

add responsive editor relayout for window resize
rework header with back/save, view mode buttons, and 2d view type selector
add clipped, scrollable assets and contextual tool panels
simplify tool button wiring and repeated layout logic
simplify 2d top-down editor internals and shared grid update hooks

1 files changed, 56 insertions, 2 deletions

diff --git a/src/game.cpp b/src/game.cpp
index 663681f..2179255 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -18,6 +18,7 @@
 #include "render/gl_batch.h"
 #include "util.h"
 
+static void game_realtime_resize_repaint( void* userdata );
 
 GAME_DATA* game_init( GL_DATA* gl ) {
   GAME_DATA* game = (GAME_DATA*)malloc( sizeof( GAME_DATA ) );
@@ -45,6 +46,8 @@ GAME_DATA* game_init( GL_DATA* gl ) {
   game->state.ingame = 1;
 #endif
 
+  gl_set_resize_repaint_callback( gl, game_realtime_resize_repaint, game );
+
   return game;
 }
 
@@ -52,7 +55,7 @@ void game_create_batches( GAME_DATA *game ) {
   game->render.batch_3d = gl_batch_create( game->gl, game->shaders.gl3d, &gl_3d_batch_setup );
 }
 
-#ifdef DEBUG
+#if defined(DEBUG) && !IS_EDITOR
 void game_draw_fpsoverlay( GAME_DATA* game ) {
   GL_DATA* gl = game->gl;
   char buf[256];
@@ -116,14 +119,65 @@ void game_draw( GAME_DATA* game ) {
   world_draw( game, objl->world, window, winsize );
 }
 
+static void game_realtime_resize_repaint( void* userdata ) {
+  GAME_DATA* game = (GAME_DATA*)userdata;
+  if( !game || !game->gl )
+    return;
+
+  GL_DATA* gl = game->gl;
+  GL_SHADER_PROGRAM* gl2d = game->shaders.gl2d;
+
+  if( !assets_on_frame( game ) )
+    return;
+
+  gl_sync_window_size( gl );
+
+#if IS_EDITOR
+  if( game->editor && game->editor->wnd ) {
+    if( game->editor->wnd->w != gl->canvas_size[0]
+     || game->editor->wnd->h != gl->canvas_size[1] ) {
+      editor_resize( game->editor, gl->canvas_size[0], gl->canvas_size[1] );
+    }
+  }
+#endif
+
+  gl_beginframe( gl );
+  gl_2d_frect( gl2d, s_tl(), s_br(), { 0.f, 0.f, 0.f, 1.f } );
+
+  if( game->state.ingame )
+    game_draw( game );
+
+  gui_draw( game );
+
+#if defined(DEBUG) && !IS_EDITOR
+  game_draw_fpsoverlay( game );
+#endif
+
+  SDL_GL_SwapWindow( gl->window );
+}
+
 void game_main_loop( GAME_DATA* game ) {
   GL_DATA* gl = game->gl;
   GL_SHADER_PROGRAM* gl2d = game->shaders.gl2d;
 
+  if( !OK( gl_poll_events( gl ) ) )
+    exit( 0 );
+
   if( !assets_on_frame( game ) )
     return;
 
+  gl_sync_window_size( gl );
   gl_beginframe( gl );
+
+#if IS_EDITOR
+  if( game->editor && game->editor->wnd ) {
+    if( game->editor->wnd->w != gl->canvas_size[0]
+     || game->editor->wnd->h != gl->canvas_size[1] ) {
+      editor_resize( game->editor, gl->canvas_size[0], gl->canvas_size[1] );
+    }
+  }
+#endif
+
   gl_2d_frect( gl2d, s_tl(), s_br(), { 0.f, 0.f, 0.f, 1.f } );
   player_input( game, objl->pl );
 
@@ -134,7 +188,7 @@ void game_main_loop( GAME_DATA* game ) {
 
   gui_onframe( game );
 
-#ifdef DEBUG
+#if defined(DEBUG) && !IS_EDITOR
   game_draw_fpsoverlay( game );
 #endif