Delay enabling input in menus to prevent accidental double clicks

src/game/menu.hpp

@@ -25,6 +25,9 @@
 namespace game {
 namespace menu {
 
+/// Delay, in seconds, to when menu input should be activated.
+static constexpr float input_delay = 0.01f;
+
 /// RGBA color of active menu items.
 static constexpr float4 active_color{1.0f, 1.0f, 1.0f, 1.0f};
 

src/game/states/controls-menu.cpp

@@ -26,6 +26,7 @@
 #include "render/passes/clear-pass.hpp"
 #include "debug/logger.hpp"
 #include "game/menu.hpp"
+#include "animation/timeline.hpp"
 
 namespace game {
 namespace state {
@@ -103,8 +104,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = select_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)

src/game/states/graphics-menu.cpp

@@ -25,6 +25,7 @@
 #include "debug/logger.hpp"
 #include "game/fonts.hpp"
 #include "game/menu.hpp"
+#include "animation/timeline.hpp"
 
 namespace game {
 namespace state {
@@ -304,8 +305,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = select_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)

src/game/states/language-menu.cpp

@@ -25,6 +25,7 @@
 #include "debug/logger.hpp"
 #include "game/fonts.hpp"
 #include "game/menu.hpp"
+#include "animation/timeline.hpp"
 
 namespace game {
 namespace state {
@@ -158,8 +159,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = select_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)

src/game/states/main-menu.cpp

@@ -148,8 +148,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = menu_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)

src/game/states/options-menu.cpp

@@ -28,6 +28,7 @@
 #include "animation/ease.hpp"
 #include "animation/animation.hpp"
 #include "animation/animator.hpp"
+#include "animation/timeline.hpp"
 #include "application.hpp"
 #include "scene/text.hpp"
 #include "render/passes/clear-pass.hpp"
@@ -132,8 +133,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = select_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)

src/game/states/sound-menu.cpp

@@ -24,6 +24,7 @@
 #include "render/passes/clear-pass.hpp"
 #include "debug/logger.hpp"
 #include "game/menu.hpp"
+#include "animation/timeline.hpp"
 
 namespace game {
 namespace state {
@@ -214,8 +215,10 @@ void enter(game::context* ctx)
 	// Set menu back callback
 	ctx->menu_back_callback = select_back_callback;
 	
-	// Setup menu controls
-	game::menu::setup_controls(ctx);
+	// Schedule menu control setup
+	timeline* timeline = ctx->timeline;
+	float t = timeline->get_position();
+	timeline->add_sequence({{t + game::menu::input_delay, std::bind(game::menu::setup_controls, ctx)}});
 }
 
 void exit(game::context* ctx)