From fce37403bbc29521b2b5bd983291b3730f8ad7b4 Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Sat, 13 Mar 2021 12:24:05 -0500
Subject: Added submenus

#7
---
 src/menu_system.cpp | 95 ++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 61 insertions(+), 34 deletions(-)

(limited to 'src/menu_system.cpp')

diff --git a/src/menu_system.cpp b/src/menu_system.cpp
index 7631e4d..7ac8af5 100644
--- a/src/menu_system.cpp
+++ b/src/menu_system.cpp
@@ -4,10 +4,12 @@
 
 void MenuSystem::tick(double dt) {
   pauseAnimation_.tick(dt);
+  menuChangeAnimation_.tick(dt);
 
   if (openState_ == OpenState::Animating && pauseAnimation_.isComplete()) {
     if (pauseAnimation_.getProgress() == 0.0) {
       openState_ = OpenState::Closed;
+      menus_.clear();
 
       game_.unpauseGameplay();
       game_.getMixer().unpauseSounds();
@@ -15,20 +17,28 @@ void MenuSystem::tick(double dt) {
       openState_ = OpenState::Open;
     }
   } else if (openState_ == OpenState::Open) {
-    cursorBobTimer_.accumulate(dt);
-    while (cursorBobTimer_.step()) {
-      if (cursorBobDown_) {
-        cursorBob_++;
-
-        if (cursorBob_ >= 4) {
-          cursorBobDown_ = false;
+    if (!isMenuChanging_) {
+      cursorBobTimer_.accumulate(dt);
+      while (cursorBobTimer_.step()) {
+        if (cursorBobDown_) {
+          cursorBob_++;
+
+          if (cursorBob_ >= 4) {
+            cursorBobDown_ = false;
+          }
+        } else {
+          cursorBob_--;
+
+          if (cursorBob_ <= 0) {
+            cursorBobDown_ = true;
+          }
         }
-      } else {
-        cursorBob_--;
+      }
+    } else if (menuChangeAnimation_.isComplete()) {
+      isMenuChanging_ = false;
 
-        if (cursorBob_ <= 0) {
-          cursorBobDown_ = true;
-        }
+      if (menuChangeAnimation_.getProgress() == 0.0) {
+        menus_.pop_back();
       }
     }
   }
@@ -41,7 +51,16 @@ void MenuSystem::openPauseMenu() {
   game_.pauseGameplay();
 
   std::vector<MenuBuilder> builders = {
-    MenuBuilder().Command("Settings"),
+    MenuBuilder().Command("Settings")
+                 .ActivationFunction([this] (Game&) {
+                   openSubmenu(Menu({
+                     MenuBuilder().Command("Back")
+                                  .ActivationFunction([this] (Game& game) {
+                                    closePauseMenu();
+                                  })
+                                  .SkipSoundEffect()
+                   }));
+                 }),
     MenuBuilder().Command("Resume Game")
                  .ActivationFunction([] (Game& game) {
                    game.getSystem<MenuSystem>().closePauseMenu();
@@ -61,29 +80,32 @@ void MenuSystem::openPauseMenu() {
                                     }));
   }
 
-  menu_ = CreateMenu(builders);
-
-  cursor_ = 0;
+  menus_.emplace_back(builders);
 
   game_.getMixer().pauseSounds();
   game_.getMixer().playSound("../res/sfx/menu_open.wav");
 }
 
 void MenuSystem::closePauseMenu(bool playSfx) {
-  pauseAnimation_.start(125, 0.0);
-  openState_ = OpenState::Animating;
+  if (menus_.size() > 1) {
+    isMenuChanging_ = true;
+    menuChangeAnimation_.start(250, 0.0);
+
+    if (playSfx) {
+      game_.getMixer().playSound("../res/sfx/menu_deselect.wav");
+    }
+  } else {
+    pauseAnimation_.start(125, 0.0);
+    openState_ = OpenState::Animating;
 
-  if (playSfx) {
-    game_.getMixer().playSound("../res/sfx/menu_close.wav");
+    if (playSfx) {
+      game_.getMixer().playSound("../res/sfx/menu_close.wav");
+    }
   }
 }
 
 void MenuSystem::pressedUp() {
-  cursor_--;
-
-  if (cursor_ < 0) {
-    cursor_ = menu_.size() - 1;
-  }
+  menus_.back().moveCursorUp();
 
   cursorBob_ = 0;
   cursorBobDown_ = true;
@@ -92,11 +114,7 @@ void MenuSystem::pressedUp() {
 }
 
 void MenuSystem::pressedDown() {
-  cursor_++;
-
-  if (cursor_ >= menu_.size()) {
-    cursor_ = 0;
-  }
+  menus_.back().moveCursorDown();
 
   cursorBob_ = 0;
   cursorBobDown_ = true;
@@ -105,13 +123,22 @@ void MenuSystem::pressedDown() {
 }
 
 void MenuSystem::activateOption() {
-  if (menu_[cursor_].type == MenuType::Command) {
-    if (menu_[cursor_].playSfx) {
+  Menu& curMenu = menus_.back();
+  const MenuItem& menuItem = curMenu.getItems()[curMenu.getCursorPosition()];
+
+  if (menuItem.type == MenuType::Command) {
+    if (menuItem.playSfx) {
       game_.getMixer().playSound("../res/sfx/menu_activate.wav");
     }
 
-    if (menu_[cursor_].activationFunction) {
-      menu_[cursor_].activationFunction(game_);
+    if (menuItem.activationFunction) {
+      menuItem.activationFunction(game_);
     }
   }
 }
+
+void MenuSystem::openSubmenu(Menu submenu) {
+  menus_.push_back(std::move(submenu));
+  isMenuChanging_ = true;
+  menuChangeAnimation_.start(250, 1.0);
+}
-- 
cgit 1.4.1