From 200e05f2dcc8cf3827b29300269b5512f60d215a Mon Sep 17 00:00:00 2001
From: Jason Hilder <jhilder95@gmail.com>
Date: Thu, 8 Oct 2026 07:43:58 +0200
Subject: [PATCH] Improved scene manager history.

Added a parent field essentially making a linked list.
Allows for better menu traversal.
---
 src/scene_manager.odin | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/scene_manager.odin b/src/scene_manager.odin
index eeb4106..fc9b31b 100644
--- a/src/scene_manager.odin
+++ b/src/scene_manager.odin
@@ -16,6 +16,7 @@ Scene_Type :: enum {
 
 Scene :: struct {
     type:             Scene_Type,
+    parent:           Maybe(Scene_Type),
     level:            Maybe(Level),
     canvas:           Maybe(Canvas),
     winner_is_player: bool,
@@ -26,7 +27,7 @@ push_scene :: proc(game: ^Game, scene: Scene) {
 }
 
 pop_scene :: proc(game: ^Game) {
-    if len(game.scene_stack) > 1 {
+    if len(game.scene_stack) > 0 {
         top_index := len(game.scene_stack) - 1
         destroy_scene(&game.scene_stack[top_index])
         pop(&game.scene_stack)
@@ -227,6 +228,7 @@ make_main_menu :: proc() -> Scene {
 
     return Scene{
         type = .Main_Menu,
+        parent = nil,
         canvas = Canvas{
             bounds        = rl.Rectangle{0, 0, VIEWPORT_W, VIEWPORT_H},
             padding       = UI_TITLE_PADDING,
@@ -296,6 +298,7 @@ make_pause_overlay :: proc() -> Scene {
 
     return Scene{
         type   = .Pause_Menu,
+        parent = nil,
         canvas = Canvas{
             bounds        = rl.Rectangle{0, 0, VIEWPORT_W, VIEWPORT_H},
             padding       = UI_TITLE_PADDING,
@@ -363,7 +366,7 @@ update_pause_menu :: proc(scene: ^Scene, input: Input_Event) {
 // ------------------------------------------------------------------------------
 // Settings Menu
 // ------------------------------------------------------------------------------
-make_settings_menu :: proc(audio: ^Audio_Manager, current_res_label: cstring) -> Scene {
+make_settings_menu :: proc(parent: Maybe(Scene_Type), audio: ^Audio_Manager, current_res_label: cstring) -> Scene {
     ui_items:[8]UI_Item = {
         0 = UI_Button{"Back"},
         1 = UI_Selector{
@@ -384,6 +387,7 @@ make_settings_menu :: proc(audio: ^Audio_Manager, current_res_label: cstring) ->
 
     return Scene{
         type   = .Settings_Menu,
+        parent = parent,
         canvas = Canvas{
             bounds        = rl.Rectangle{0, 0, VIEWPORT_W, VIEWPORT_H},
             padding       = UI_TITLE_PADDING,
@@ -405,6 +409,12 @@ render_settings_menu :: proc(scene: Scene) {
     menu, menu_ok := canvas.menu.?
     assert(menu_ok, "render_settings_menu: Canvas is missing a UI_Menu component")
 
+
+    if scene.parent != .Main_Menu {
+        // Draw dark overlay so gameplay/background stays visible behind Settings
+        rl.DrawRectangleRec(canvas.bounds, rl.Color{0, 0, 0, 200})
+    }
+
     t_text: cstring = "SETTINGS"
     t_width := rl.MeasureText(t_text, UI_TITLE_FONT_SIZE)
     t_x := i32(canvas.bounds.width * 0.5) - (t_width / 2)
@@ -472,6 +482,7 @@ make_game_over_overlay :: proc(winner_is_player: bool) -> Scene {
 
     return Scene{
         type             = .Game_Over,
+        parent           = nil,
         winner_is_player = winner_is_player,
         canvas = Canvas{
             bounds        = rl.Rectangle{0, 0, VIEWPORT_W, VIEWPORT_H},
@@ -537,6 +548,7 @@ update_game_over :: proc(scene: ^Scene, input: Input_Event) {
 make_gameplay_scene :: proc() -> Scene {
     return Scene{
         type  = .Gameplay,
+        parent = nil,
         level = init_level(),
     }
 }
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