Implement basis for Pause Menu.

Client/include/Client/GameSession.hpp

@@ -25,24 +25,14 @@
 #include <Core/Item.hpp>
 #include "TileTool.hpp"
 #include "ContainerWindow.hpp"
+#include <Client/PauseMenu.hpp>
 
 namespace CaveGame::Client {
     using namespace Core;
 
-    class LootTable {
-
-    };
-
+    class LootTable {};
     class CraftingStation {};
-
-
-
-
-
-
-    class ContainerGUI {
-
-    };
+    class ContainerGUI {};
 
     using namespace JUI::UDimLiterals;
     using CaveGame::Core::Entity;
@@ -50,7 +40,7 @@ namespace CaveGame::Client {
     public:
 
         GameSession() = default;
-        GameSession(bool createNewWorld);
+        explicit GameSession(bool createNewWorld);
         void Update(float elapsed) override;
         void Draw() override;
         void Load() override;
@@ -99,6 +89,7 @@ namespace CaveGame::Client {
         LocalWorld* world = nullptr;
         TileHotbar hotbar;
         JUI::Scene* hud = nullptr;
+        PauseMenuWidget* pause_menu = nullptr;
         Vector2 mouse_pos = {0,0};
         RNG tool_rng;
 

Client/include/Client/PauseMenu.hpp

@@ -1,11 +1,55 @@
 #pragma once
 
 #include <JUI/Widgets/Rect.hpp>
+#include <JUI/Widgets/ListLayout.hpp>
+#include <JUI/Widgets/TextButton.hpp>
 
 namespace CaveGame::Client
 {
-    class PauseMenuWidget : public JUI::Rect {
+    using namespace JUI::UDimLiterals;
 
+    class PauseMenuWidget : public JUI::Rect {
+    public:
+          Event<> OnSettingsButtonPressed;
+          Event<> OnQuitButtonPressed;
+
+          PauseMenuWidget() {
+              this->Size({100_percent, 100_percent}); // Full Screen.
+              this->BGColor({128, 128, 128, 128});    // Transparent Gray.
+
+              button_box = new JUI::Rect(this);
+              button_box->Size({150_px, 150_px});
+
+              button_list = new JUI::VerticalListLayout(button_box);
+
+              resume_btn = new JUI::TextButton(button_list);
+              resume_btn->SetContent("Resume");
+
+
+              settings_btn = new JUI::TextButton(button_list);
+              settings_btn->SetContent("Settings");
+
+              quit_btn = new JUI::TextButton(button_list);
+              quit_btn->SetContent("Save & Exit World");
+          }
+
+          explicit PauseMenuWidget(Widget* parent) : PauseMenuWidget() {
+              this->Parent(parent);
+          }
+
+          void Toggle() {
+              is_open = !is_open;
+              this->Visible(is_open);
+          }
+    protected:
+        JUI::Rect* button_box;
+        JUI::VerticalListLayout* button_list;
+        JUI::TextButton* resume_btn;
+        JUI::TextButton* settings_btn;
+        JUI::TextButton* quit_btn;
+
+        bool is_open;
+    private:
     };
 
 

Client/src/Client/GameSession.cpp

@@ -24,6 +24,9 @@ void CaveGame::Client::GameSession::Load() {
     world->PostInit();
     Logs::Info("Building player HUD.");
     hud = new JUI::Scene();
+
+    pause_menu = new PauseMenuWidget(hud);
+
     hotbar = TileHotbar();
     // TODO: Redundant, use the constructor.
     hotbar.Load(world);
@@ -98,8 +101,6 @@ void CaveGame::Client::GameSession::WorldEditToolDrawTiles(TileID tile) {
     //Vector2i rounded_coords = {Math::FloorInt(world_coords.x), Math::FloorInt(world_coords.y)};
 
 
-
-
     int radius = Math::FloorInt(tile_tool->BrushRadius());
     int density = Math::FloorInt(tile_tool->BrushDensity());
     int x = Math::FloorInt(world_coords.x);
@@ -183,7 +184,7 @@ void CaveGame::Client::GameSession::Update(float elapsed) {
         }
     }
 
-
+    // Move the tile cursor when controller thumbstick is moved.
     auto rstick = jstick::GetRightThumbstickAxisNormalized();
 
     if (rstick.Magnitude() > 0.1f)
@@ -191,40 +192,6 @@ void CaveGame::Client::GameSession::Update(float elapsed) {
         float joystick_cursor_speed = 250.f;
         mouse_pos += rstick*elapsed*joystick_cursor_speed;
     }
-
-
-    // FIXME: Temporary hack, we poll the bumper button state each frame, cause the jstick event doesn't propagate for some reason.
-   /* bool lprn = jstick::IsButtonDown(jstick::XBoxButton::BumperL);
-    bool rprn = jstick::IsButtonDown(jstick::XBoxButton::BumperR);
-
-    if (lprn && !lp)
-        hotbar.PrevSlot();
-
-    if (rprn && !rp)
-        hotbar.NextSlot();
-
-    lp = lprn;
-    rp = rprn;*/
-
-
-    /*
-    for (int i = 0; i < 10; i++)
-    {
-        float angle = tool_rng.Float01Incl() * Math::TwoPi;
-        Vector2 unit = {Math::Cos(angle), Math::Sin(angle)};
-        Vector2 velocity = unit * tool_rng.Float(1, 50);
-        world->Emit({.position = transformed, .velocity = velocity, .color = Colors::Red, .size = 2, .life = 3});
-    }
-     */
-
-    // TODO: Do this once JUI can consume input.
-    //
-    // WorldEditToolControlsUpdate(elapsed);
-
-    //for (auto& entity: entity_list)
-    //{
-    //    entity->Update(elapsed);
-    //}
 }
 
 void CaveGame::Client::GameSession::WorldEditToolDrawOverlay()
@@ -275,6 +242,9 @@ void CaveGame::Client::GameSession::PassWindowSize(const Vector2 &size) {
 void CaveGame::Client::GameSession::PassKeyInput(Key key, bool pressed) {
     // DO NOT chain input conditions with else; you will introduce biasing
 
+    if (key == Keys::Escape)
+        pause_menu->Toggle();
+
     hud->ObserveKeyInput(key, pressed);
     hotbar.OnKeyInput(key, pressed);
 }