Various Edits

CMakeLists.txt

@@ -20,8 +20,8 @@ set(CMAKE_CXX_STANDARD 23)
 if (UNIX)
     # TODO: Enable ALL optimization flags for RELEASE builds.
 
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
+    #set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -floop-nest-optimize -funroll-loops")
+    #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -floop-nest-optimize -funroll-loops")
 endif()
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
@@ -39,7 +39,7 @@ CPMAddPackage(
 
 CPMAddPackage(
         NAME jjx
-        URL https://git.redacted.cc/josh/jjx/archive/Release-1.zip
+        URL https://git.redacted.cc/josh/jjx/archive/Release-1.1.zip
 )
 
 CPMAddPackage(

Client/include/Client/AssetService.hpp

@@ -6,7 +6,7 @@
 
 /// @file AssetService.hpp
 /// @desc Manages game asset data.
-/// @edit 1/28/2025
+/// @edit 3/31/2025
 /// @auth Josh O'Leary
 
 /// The AssetService is a class / static library that manages on-file game assets.
@@ -21,9 +21,10 @@
 #include <JGL/types/Texture.h>
 #include <JGL/types/Font.h>
 #include <queue>
+#include <Core/Singleton.hpp>
+#include <Core/Macros.hpp>
 
-namespace CaveGame::Client
+namespace CaveGame::Client {
-{
 
     using namespace JGL;
 
@@ -32,6 +33,7 @@ namespace CaveGame::Client
 
 
     struct AssetRequest {
+        std::string name;
         std::filesystem::path path;
         AssetType type;
     };
@@ -62,9 +64,9 @@ namespace CaveGame::Client
             //return fonts[fontName];
         }
 
-        void EnqueueTexture(const std::filesystem::path &path);
+        void EnqueueTexture(const std::string& name, const std::filesystem::path &path);
-        void EnqueueFont(const std::filesystem::path& path);
+        void EnqueueFont(const std::string& name, const std::filesystem::path& path);
-        void EnqueueSound(const std::filesystem::path& path);
+        void EnqueueSound(const std::string& name, const std::filesystem::path& path);
 
         void LoadAllFromQueue();
 
@@ -81,6 +83,9 @@ namespace CaveGame::Client
         unsigned int TotalQueued() const { return total_queued; }
         unsigned int TotalLoaded() const { return total_loaded; }
 
+        void ParseManifest();
+        void PreloadCertainAssets();
+
     protected:
 
         /// @returns only the filename of the given path.

Client/include/Client/PauseMenu.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <JUI/Widgets/Rect.hpp>
+
+namespace CaveGame::Client
+{
+    class PauseMenuWidget : public JUI::Rect {
+
+    };
+
+
+}

Client/include/Client/SettingsMenu.hpp

@@ -12,11 +12,48 @@
 #pragma once
 
 #include <JUI/Widgets/Window.hpp>
+#include <JUI/Widgets/Collapsible.hpp>
+#include <JUI/Widgets/ListLayout.hpp>
+#include <Core/Singleton.hpp>
 
-namespace CaveGame::Client
+
-{
+namespace CaveGame::Client {
-    class SettingsMenu : public JUI::Window
+
+    // TODO: Analyze behavior of singleton on an object that requires specific initialization, like this.
+    class SettingsMenu : public JUI::Window, public Singleton<SettingsMenu>
     {
+    public:
+        SettingsMenu()
+        {
+            SetTitle("Settings");
 
+            auto* root_layout = new JUI::VerticalListLayout(this);
+
+            general_section = new JUI::Collapsible(root_layout);
+            general_section->Title("General");
+
+            auto* gen_layout = new JUI::VerticalListLayout(general_section);
+
+
+            sound_section = new JUI::Collapsible(root_layout);
+            sound_section->Title("Sound");
+
+            auto* snd_layout = new JUI::VerticalListLayout(sound_section);
+
+            graphics_section = new JUI::Collapsible(root_layout);
+            graphics_section->Title("Graphics");
+
+            auto* gfx_layout = new JUI::VerticalListLayout(graphics_section);
+
+            input_section = new JUI::Collapsible(root_layout);
+            input_section->Title("Input");
+
+        }
+    protected:
+        JUI::Collapsible* general_section;
+        JUI::Collapsible* sound_section;
+        JUI::Collapsible* graphics_section;
+        JUI::Collapsible* input_section;
+    private:
     };
 }

Client/include/Client/Splash.hpp

@@ -32,7 +32,7 @@ namespace CaveGame::Client
     protected:
         float splash_timer = 1.5f;
         float load_percent = 0.f;
-        JGL::Texture* splash = nullptr;
+        std::shared_ptr<JGL::Texture> splash = nullptr;
 
         std::array<JGL::RenderTarget*, 16> column_textures{};
         int column_width = 0;

Client/include/Client/TileTool.hpp

@@ -63,8 +63,9 @@ namespace CaveGame::Client {
         TextRect* tool_size_label;
         TextButton* step_btn;
         TextButton* step2_btn;
+        TextButton* step3_btn;
         bool enabled = false;
-        bool tile_sim_disabled;
+        bool tile_sim_disabled = false;
     private:
     };
 }

Client/src/Client/AssetService.cpp

@@ -1,6 +1,8 @@
 #include <Client/AssetService.hpp>
 #include <thread>
 #include <JGL/types/Texture.h>
+#include <JJX/JSON.hpp>
+
 using namespace std::chrono_literals;
 
 static CaveGame::Client::AssetService* singleton;
@@ -9,18 +11,20 @@ CaveGame::Client::AssetService * CaveGame::Client::AssetService::Get() { return
 
 CaveGame::Client::AssetService::AssetService() {
     singleton = this;
+
+    ParseManifest();
 }
 
 void CaveGame::Client::AssetService::TempLoadSimple() {
-    player_sprite = new JGL::Texture("assets/textures/player.png", JGL::FilteringMode::NEAREST);
+    //player_sprite = new JGL::Texture("assets/textures/player.png", JGL::FilteringMode::NEAREST);
-    explosion_sprite = new JGL::Texture("assets/textures/explosion.png", JGL::FilteringMode::NEAREST);
+    //explosion_sprite = new JGL::Texture("assets/textures/explosion.png", JGL::FilteringMode::NEAREST);
-    title_img = new JGL::Texture("assets/textures/title_1.png");
+    //title_img = new JGL::Texture("assets/textures/title_1.png");
 }
 
 void CaveGame::Client::AssetService::EnqueueDefaultAssetsFolder() {
     //EnqueueContents("assets");
 
-    textures.emplace("player", new JGL::Texture("assets/textures/player.png"));
+    //textures.emplace("player", new JGL::Texture("assets/textures/player.png"));
 
 }
 
@@ -35,27 +39,31 @@ std::string CaveGame::Client::AssetService::FilenameFromPathWithoutExtension(con
     return base.substr(0, p);
 }
 
-void CaveGame::Client::AssetService::EnqueueTexture(const std::filesystem::path &path) {
+void CaveGame::Client::AssetService::EnqueueTexture(const std::string& name, const std::filesystem::path &path) {
-    queue.push({path, AssetType::TEXTURE});
+    queue.push({name, path, AssetType::TEXTURE});
     total_queued++;
 }
 
-void CaveGame::Client::AssetService::EnqueueFont(const std::filesystem::path &path) {
+void CaveGame::Client::AssetService::EnqueueFont(const std::string& name, const std::filesystem::path &path) {
-    queue.push({path, AssetType::FONT});
+    queue.push({name, path, AssetType::FONT});
     total_queued++;
 }
 
-void CaveGame::Client::AssetService::EnqueueSound(const std::filesystem::path &path) {
+void CaveGame::Client::AssetService::EnqueueSound(const std::string& name, const std::filesystem::path &path) {
-    queue.push({path, AssetType::AUDIO});
+    queue.push({name, path, AssetType::AUDIO});
     total_queued++;
 }
 
 bool CaveGame::Client::AssetService::LoadAsset(const CaveGame::Client::AssetRequest &request) {
     last_asset_processed = request.path;
+
     switch(request.type) {
         case AssetType::TEXTURE: {
+            if (textures.contains(request.name)) // TODO: Note repeat request.
+                return true;
+
             auto texture =std::make_shared<Texture>(request.path);
-            textures[request.path] = texture;
+            textures[request.name] = texture;
         }
         default: {
             // TODO: We don't support this asset type yet!!!
@@ -109,3 +117,53 @@ void CaveGame::Client::AssetService::LoadAllFromQueue() {
         }
     }
 }
+
+void CaveGame::Client::AssetService::ParseManifest() {
+    std::string contents = read_file("assets/data/manifest.json");
+
+    using namespace JJX;
+
+    auto [obj, errcode] = json::parse(contents);
+
+    json::object catalog = obj.as_object();
+
+    // TODO: in this case, calling obj.at("textures") results in a bad_alloc?
+
+    if (catalog.contains("textures")) {
+        json::array texlist = catalog.at("textures").as_array();
+        for (auto& texture_entry : texlist) {
+            std::string name = texture_entry[0].string.value();
+            std::string path = texture_entry[1].string.value();
+            EnqueueTexture(name, path);
+        }
+    }
+
+    if (catalog.contains("fonts")) {
+        for (auto &font_entry: catalog["fonts"].as_array()) {
+            std::string name = font_entry[0].string.value();
+            std::string path = font_entry[1].string.value();
+            EnqueueFont(name, path);
+        }
+    }
+
+    if (catalog.contains("sfx")) {
+        for (auto &sfx_entry: catalog["sfx"].as_array()) {
+            std::string name = sfx_entry[0].string.value();
+            std::string path = sfx_entry[1].string.value();
+            EnqueueSound(name, path);
+        }
+    }
+
+    if (catalog.contains("music")) {
+        for (auto &sfx_entry: catalog["music"].as_array()) {
+            std::string name = sfx_entry[0].string.value();
+            std::string path = sfx_entry[1].string.value();
+            EnqueueSound(name, path);
+        }
+    }
+}
+
+void CaveGame::Client::AssetService::PreloadCertainAssets() {
+    LoadAsset({"redacted", "assets/textures/redacted.png", AssetType::TEXTURE});
+    LoadAsset({"title", "assets/textures/title_1.png", AssetType::TEXTURE});
+}

Client/src/Client/Camera2D.cpp

@@ -116,13 +116,14 @@ namespace CaveGame::Client
 
     Vector2 Camera2D::Position() const { return position; }
 
-    void Camera2D::MoveLeft(float rate) {
+    void Camera2D::Move(const Vector2& dir)
-        position -= Vector2(move_speed * rate, 0);
+    {
+        position += dir * move_speed;
+        last_free_move = 0;
     }
 
-    void Camera2D::Move(const Vector2& velocity)
+    void Camera2D::MoveLeft(float rate) {
-    {
+        position -= Vector2(move_speed * rate, 0);
-        position += velocity * move_speed;
         last_free_move = 0;
     }
 

Client/src/Client/Splash.cpp

@@ -133,7 +133,7 @@ void CaveGame::Client::Splash::Update(float elapsed)
 
 void CaveGame::Client::Splash::Load() {
     column_textures.fill(nullptr);
-    splash = new JGL::Texture("assets/textures/redacted.png");
+    splash = AssetService::Get()->GetTexture("redacted"); //new JGL::Texture("assets/textures/redacted.png");
     ComputeMatrixTextureCache();
 
     Scene::Load();
@@ -143,7 +143,8 @@ void CaveGame::Client::Splash::Load() {
 void CaveGame::Client::Splash::Unload() {
     for (auto& r : column_textures)
         delete r;
-    delete splash;
+
+    splash = nullptr;
 
     column_textures.fill(nullptr);
     Scene::Unload();

Client/src/Client/TileTool.cpp

@@ -44,7 +44,7 @@ CaveGame::Client::TileTool::TileTool(JUI::Widget *parent) : JUI::Window(parent)
     brush_size_slider->Maximum(1.f);
     brush_size_slider->Minimum(0.01f);
     brush_size_slider->Interval(0.001f);
-    brush_size_slider->ValueChanged += [&, this] (float val)
+    brush_size_slider->ValueChanged += [&, this] (float val) mutable
     {
         float newval = val * 50;
         tool_size_label->SetContent(std::format("Size: {}", Math::Round(newval, 1)));
@@ -59,7 +59,7 @@ CaveGame::Client::TileTool::TileTool(JUI::Widget *parent) : JUI::Window(parent)
     brush_percent_slider->Maximum(1.f);
     brush_percent_slider->Minimum(0.f);
     brush_percent_slider->Interval(0.001f);
-    brush_percent_slider->ValueChanged += [&, this, tool_percent_label] (float val)
+    brush_percent_slider->ValueChanged += [&, this, tool_percent_label] (float val) mutable
     {
         float newval = val * 100.f;
         tool_percent_label->SetContent(std::format("Percent: {}%", Math::Floor(newval)));
@@ -71,11 +71,14 @@ CaveGame::Client::TileTool::TileTool(JUI::Widget *parent) : JUI::Window(parent)
 
     auto* tile_sim_checkbox = new Checkbox(right_row_layout);
     tile_sim_checkbox->Size({row_height, row_height, 0, 0});
-    tile_sim_checkbox->OnReleaseEvent += [&, this] (Vector2 _, JUI::MouseButton _2, bool _3) {
+    tile_sim_checkbox->OnClickEvent += [&, this] (Vector2 _, JUI::MouseButton _2) mutable {
         tile_sim_disabled = !tile_sim_disabled;
         TileSimulationDisabledChanged.Invoke(tile_sim_disabled);
+
+        // Set the visual state of the "step" buttonns
         step_btn->SetEnabled(tile_sim_disabled);
         step2_btn->SetEnabled(tile_sim_disabled);
+        step3_btn->SetEnabled(tile_sim_disabled);
     };
 
 
@@ -86,26 +89,35 @@ CaveGame::Client::TileTool::TileTool(JUI::Widget *parent) : JUI::Window(parent)
     step_btn->BGColor(Colors::LightGray);
     step_btn->BaseBGColor(Colors::LightGray);
     step_btn->Disable();
-    step_btn->OnClickEvent += [&, this] (auto a, auto b) {
+    step_btn->OnClickEvent += [&, this] (auto a, auto b) mutable {
         TileSimulationStep.Invoke(1);
     };
 
-    step2_btn = new TextButton(right_row_layout);
+    step2_btn = new TextButton(left_row_layout);
     step2_btn->Size({100_percent, UDim(row_height, 0)});
     step2_btn->SetContent("Step 10");
     step2_btn->BGColor(Colors::LightGray);
     step2_btn->BaseBGColor(Colors::LightGray);
     step2_btn->Disable();
-    step2_btn->OnClickEvent += [&, this] (auto a, auto b) {
+    step2_btn->OnClickEvent += [&, this] (auto a, auto b) mutable {
         TileSimulationStep.Invoke(10);
     };
 
+    step3_btn = new TextButton(left_row_layout);
+    step3_btn->Size({100_percent, UDim(row_height, 0)});
+    step3_btn->SetContent("Step 100");
+    step3_btn->BGColor(Colors::LightGray);
+    step3_btn->BaseBGColor(Colors::LightGray);
+    step3_btn->Disable();
+    step3_btn->OnClickEvent += [&, this] (auto a, auto b) mutable {
+        TileSimulationStep.Invoke(100);
+    };
 
-    BrushSizeChanged += [this] (float value) {
+    BrushSizeChanged += [this] (float value) mutable {
         brush_radius = value;
     };
 
-    BrushPercentChanged += [this] (float value) {
+    BrushPercentChanged += [this] (float value) mutable {
         brush_density = value;
     };
 

ClientApp/assets/data/items.json

@@ -21,27 +21,33 @@
   },
   {
     "mnemonic-id": "copper-bar",
-    "display-name": "Copper Bar"
+    "display-name": "Copper Bar",
+    "sprite:" : "ingot"
   },
   {
     "mnemonic-id": "iron-bar",
-    "display-name": "Iron Bar"
+    "display-name": "Iron Bar",
+    "sprite:" : "ingot"
   },
   {
     "mnemonic-id": "silver-bar",
-    "display-name": "Silver Bar"
+    "display-name": "Silver Bar",
+    "sprite:" : "ingot"
   },
   {
     "mnemonic-id": "tungsten-bar",
-    "display-name": "Tungsten Bar"
+    "display-name": "Tungsten Bar",
+    "sprite:" : "ingot"
   },
   {
     "mnemonic-id": "platinum-bar",
-    "display-name": "Platinum Bar"
+    "display-name": "Platinum Bar",
+    "sprite:" : "ingot.png"
   },
   {
     "mnemonic-id": "gold-bar",
-    "display-name": "Gold Bar"
+    "display-name": "Gold Bar",
+    "sprite:" : "ingot.png"
   },
   {
     "mnemonic-id": "lead-bar",
@@ -84,5 +90,11 @@
     "stack": 1,
 
     "tags": ["dagger", "blade", "melee", "metal", "iron", "rusty"]
+  },
+  {
+    "mnemonic-id": "smoke-n-dip"
+  },
+  {
+    "mnemonic-id": "blick-axe"
   }
 ]

ClientApp/assets/data/manifest.json

@@ -0,0 +1,13 @@
+{
+  "textures": [
+    ["ingot", "assets/textures/ingot.png"],
+    ["player", "assets/textures/player.png"],
+    ["bg", "assets/textures/bg.png"],
+    ["explosion", "assets/textures/explosion.png"],
+    ["redacted", "assets/textures/redacted.png"],
+    ["title_1", "assets/textures/title_1.png"]
+  ],
+  "music": [
+
+  ]
+}

ClientApp/assets/data/tiles.json

@@ -133,7 +133,7 @@
     "forced-ticc-func": "sand-grav",
     "solid": true,
     "color": [102, 118, 124],
-    "pallet": [[92, 102, 128], [89, 116, 123], [121, 95, 108]]
+    "pallet": [[92, 102, 128],  [82, 82, 82], [102, 102, 102], [132, 132, 132], [89, 116, 123], [121, 95, 108]]
   },
   {
     "mnemonic-id" : "white-sand",

ClientApp/include/ClientApp/CaveGameWindow.hpp

@@ -65,7 +65,8 @@ namespace CaveGame::ClientApp {
         /// This function performs rendering routines, once per refresh.
         void Draw();
 
-        bool ReadyToClose() const { return wanna_die; }
+        /// @return True when a flag is set that indicates the game is "preparing" to close. Certain procedures may still be taking place, such as saving and serialization.
+        bool ReadyToClose() const;
 
         /// Returns the game's console GUI, which accepts commands and displays log messages.
         Client::Console* Console();
@@ -85,14 +86,23 @@ namespace CaveGame::ClientApp {
 
     public:
 #pragma region Input Callbacks
+        /// Called by the window on each frame.
         void OnRefresh(float elapsed) override;
+        /// Called by the window upon the user pressing a mouse button.
         void OnMouseButtonDown(const ReWindow::MouseButtonDownEvent &ev) override;
+        /// Called by the window upon the user releasing a mouse button.
         void OnMouseButtonUp(const ReWindow::MouseButtonUpEvent &ev) override;
+        /// Called by the window upon the user scrolling a mouse wheel.
         void OnMouseWheel(const ReWindow::MouseWheelEvent &ev) override;
+        /// Called by the window upon the user releasing a keyboard key.
         void OnKeyUp(const ReWindow::KeyUpEvent &ev) override;
+        /// Called by the window upon the user pressing a keyboard key.
         void OnKeyDown(const ReWindow::KeyDownEvent& ev) override;
+        /// Called by the window upon the user moving their pointer device, currently just mice.
         void OnMouseMove(const ReWindow::MouseMoveEvent &ev) override;
+        /// Called by the window when it receives a request from the operating-system to resize.
         bool OnResizeRequest(const ReWindow::WindowResizeRequestEvent &ev) override;
+        /// Called by the window **before** it closes.
         void OnClosing() override;
 #pragma endregion
     public:
@@ -107,7 +117,7 @@ namespace CaveGame::ClientApp {
         /// Runs exactly one iteration of the game loop. Currently, this is one call to Update(), and then to Draw().
         /// @see Refresh().
         void Step();
-
+        /// Creates the in-game console menu.
         void create_console_window();
         void create_stats_window();
         void create_settings_window();
@@ -118,9 +128,16 @@ namespace CaveGame::ClientApp {
         /// Constructs the Splash screen, Main Menu screen, and In-game session.
         void CreateContexts();
 
+
+
+        // TODO: Refactor this into irrelevance.
         void InGameControls(float elapsed);
         void OnConsoleCommandInput(const std::string &command);
-
+        /// Toggles tile simulation if we are in-game.
+        bool ToggleTileSim(const CommandArgs& args);
+        /// Opens a singleplayer session.
+        /// @param info A structure containing information for joining a singleplayer world.
+        void OpenWorld(Client::SingleplayerSessionInfo info);
 
         /// Logs help information to the console. Called when the user runs the 'help' command.
         bool HelpCommand(const CommandArgs& args);
@@ -128,8 +145,11 @@ namespace CaveGame::ClientApp {
         bool ListCommand(const CommandArgs& args);
         bool TileListCmd(const CommandArgs& args);
         bool ItemListCmd(const CommandArgs& args);
-        /// Toggles tile simulation if we are
+
-        bool ToggleTileSim(const CommandArgs& args);
+
+        bool NoclipCmd(const CommandArgs &args);
+
+        bool FpsLimitCmd(const CommandArgs &args);
 
         /// This table defines the supported console commands, their aliases, and the callback lambda.
 #pragma region Commands
@@ -252,10 +272,6 @@ namespace CaveGame::ClientApp {
         float our_avg = 0.f;
         float max_fps = 60.f;
 
-        void OpenWorld(Client::SingleplayerSessionInfo info);
 
-        bool NoclipCmd(const CommandArgs &args);
-
-        bool FpsLimitCmd(const CommandArgs &args);
     };
 }

ClientApp/src/ClientApp/CaveGameWindow.cpp

@@ -23,6 +23,8 @@ namespace CaveGame::ClientApp {
     {
         Logs::Info("Parsing Tile Data.");
         CaveGame::Core::LoadTileMetadata();
+        Logs::Info("Parsing Item Data.");
+        CaveGame::Core::LoadItemMetadata();
         Logs::Info("Creating game window.");
 
         CreateContexts();
@@ -116,17 +118,21 @@ namespace CaveGame::ClientApp {
         this->SetResizable(true);
         this->SetVsyncEnabled(false);
 
+        this->assets.PreloadCertainAssets();
+        this->assets.ParseManifest();
+
+        // TODO: Replace w/ constructor?
         this->assets.TempLoadSimple();
         this->assets.EnqueueDefaultAssetsFolder();
 
         //for (int i = 0; i < 10; i++)
         //{
-            assets.EnqueueTexture("assets/textures/redacted.png");
+            //assets.EnqueueTexture("assets/textures/redacted.png");
-            assets.EnqueueTexture("assets/textures/bg.png");
+            //assets.EnqueueTexture("assets/textures/bg.png");
-            assets.EnqueueTexture("assets/textures/player.png");
+            //assets.EnqueueTexture("assets/textures/player.png");
-            assets.EnqueueTexture("assets/textures/explosion.png");
+            //assets.EnqueueTexture("assets/textures/explosion.png");
-            assets.EnqueueTexture("assets/textures/title_1.png");
+            //assets.EnqueueTexture("assets/textures/title_1.png");
-            assets.EnqueueTexture("assets/textures/ash_wip_potions.png");
+            //assets.EnqueueTexture("assets/textures/ash_wip_potions.png");
         //}
 
 
@@ -356,9 +362,15 @@ namespace CaveGame::ClientApp {
             }
 
             if (ev.key == Keys::Escape) {
-                GameSession()->SaveAndExit();
+                // TODO: "Pause menu"
+
+                if (Console()->IsOpen())
+                    Console()->SetOpen(false);
+
+
+                //GameSession()->SaveAndExit();
                 // TODO: GameContext needs mechanism to **inform** the higher-level object that we are done.
-                ChangeScene(menu_ctx);
+                //ChangeScene(menu_ctx);
             }
         }
 
@@ -626,6 +638,8 @@ namespace CaveGame::ClientApp {
         return true;
     }
 
+    bool CaveGameWindow::ReadyToClose() const { return wanna_die; }
+
 
 }
 

Core/include/Core/Entity.hpp

@@ -38,6 +38,7 @@ namespace CaveGame::Core {
         virtual void Draw() = 0;
 
         virtual void Update(float elapsed) = 0;
+        virtual void PhysicsUpdate(float elapsed) {}
 
         Vector2 Position() const;
 

Core/include/Core/PhysicsEntity.hpp

@@ -31,7 +31,7 @@ namespace CaveGame::Core
 
         void Accelerate(const Vector2& vector);
 
-        virtual void PhysicsUpdate(float elapsed);
+         void PhysicsUpdate(float elapsed) override;
 
         // TODO: Mechanism for figuring out if you're already stuck inside of tiles: i.e. sand
         void CollisionTest(ITileMap* map, float elapsed) override;

Core/include/Core/Player.hpp

@@ -26,16 +26,17 @@ namespace CaveGame::Core {
         void Jump(float elapsed) {
             // TODO: Make it so the player falls **slightly** slower
 
-
             Vector2 current_velocity = this->Velocity();
+
             float horiz = 0;
             if (current_velocity.x > 10.f)
                 horiz = Math::Clamp(current_velocity.x, 10.f, 300.f);
 
             if (current_velocity.x < -10.f)
                 horiz = Math::Clamp(current_velocity.x, -300.f, 10.f);
+
             if (on_ground) {
-                Vector2 projection = Vector2(horiz, -16000*elapsed);
+                Vector2 projection = Vector2(horiz*elapsed, -16000*elapsed);
 
                 Accelerate(projection);
                 on_ground = false;

Core/include/Core/World.hpp

@@ -28,6 +28,7 @@ namespace CaveGame::Core {
 
         constexpr static unsigned int RandomTileTickCoefficient = 128;
         constexpr static float PeriodicAutosaveIntervalSeconds = 30.f;
+        constexpr static float PhysicsTickrate = 100.f; // Desired physics Ticks per second.
         World() = default;
         ~World() = default;
 
@@ -184,6 +185,7 @@ namespace CaveGame::Core {
         ConcurrentQueue<Core::Chunk*> ServedChunks;
 
         float tile_ticc_counter;
+        float physics_ticc = 0;
 
         // Ticcs per second.
         float tile_ticc_frequency = 24.f;

Core/src/Core/ItemRegistry.cpp

@@ -3,6 +3,7 @@
 #include <filesystem>
 #include <JJX/JSON.hpp>
 #include <Core/JsonConversions.hpp>
+#include "Core/Loggers.hpp"
 
 namespace CaveGame::Core
 {
@@ -28,13 +29,15 @@ namespace CaveGame::Core
             if (entry_obj.contains("tags"))
                 item.tags = JsonConversions::parse_string_list(entry_obj["tags"]);
 
+
+            // TODO: Support multiple overlaid "Sprites" with assigned colors.
+            // TODO: Support animated sprites.
+            std::string sprite_name;
+
             Items().Register(item);
 
         }
 
-        for (auto [name, item] : Items().GetItemMap()) {
-            std::cout << name << std::endl;
-        }
         return true;
     }
 
@@ -45,6 +48,9 @@ namespace CaveGame::Core
     }
 
     void ItemRegistry::Register(const Item& data) {
+
+        Logs::Info(std::format("\tRegister Item: id:{} display_name:{} stack:{} value:{}", data.mnemonic, data.display_name, data.max_stack, data.value));
+
         registered_items.emplace(data.mnemonic, data);
     }
 

Core/src/Core/PhysicsEntity.cpp

@@ -35,7 +35,7 @@ namespace CaveGame::Core
             airtime = 0;
 
         // TODO: Sophisticated mechanism to maintain locked-timestep, multiple-iteration physics steps.
-        PhysicsUpdate(elapsed);
+        //PhysicsUpdate(elapsed);
 
     }
 
@@ -144,7 +144,7 @@ namespace CaveGame::Core
 
                     if (normal.y == 1) {
                         velocity.y = -velocity.y*0.5f;
-                        std::cout << "Touched your head" << std::endl;
+                        //std::cout << "Touched your head" << std::endl;
                     }
 
                     if (normal.x == -1)

Core/src/Core/Tile.cpp

@@ -103,7 +103,7 @@ namespace CaveGame::Core {
     void SandGravTiccFunc(const Tile &data, ITileMap *world, int x, int y) {
         static TileID air = Tiles()["air"].numeric_id;
         static TileID water = Tiles()["water"].numeric_id;
-        static TileID sand = data.numeric_id;
+        TileID sand = data.numeric_id;
 
         TileID below = world->GetTile(x, y + 1);
         if (below == air || below == water) {

Core/src/Core/TileRegistry.cpp

@@ -33,7 +33,7 @@ namespace CaveGame::Core
 
     void TileRegistry::Register(TileID ID, const Tile& data)
     {
-        Logs::Info(std::format("\tid:{} mnemonic:{} display-name:{}", data.numeric_id, data.mnemonic_id, data.display_name));
+        Logs::Info(std::format("\tRegister Tile:: id:{} mnemonic:{} display-name:{}", data.numeric_id, data.mnemonic_id, data.display_name));
 
         registered_tiles[ID] = data;
 
@@ -91,6 +91,7 @@ namespace CaveGame::Core
 
     bool LoadTileMetadata(const std::filesystem::path &path) {
 
+        // TODO: Move to it's own thing.
         ticc_funcs.insert({"sand-grav", SandGravTiccFunc});
         ticc_funcs.insert({"liquid-settle", LiquidSettleTiccFunc});
         ticc_funcs.insert({"grass-random", GrassRandomTiccFunc});

Core/src/Core/World.cpp

@@ -56,10 +56,34 @@ namespace CaveGame::Core {
         if (simulate_tiles)
             SimulateTiles(elapsed);
 
+
+        physics_ticc+= elapsed;
+
+        static float PhysicsTickrateReciprocal = 1.f / PhysicsTickrate;
+
+        bool do_physics_tick_this_frame = false;
+        int physics_accumulator = 0;
+
+        // Fixed timestep physics within variable timestep gameloop.
+        while (physics_ticc > PhysicsTickrateReciprocal) {
+            do_physics_tick_this_frame = true;
+            physics_accumulator++;
+            physics_ticc -= PhysicsTickrateReciprocal;
+        }
+
+        // Max iterations per frame.
+        if (physics_accumulator > 10)
+            physics_accumulator = 10;
+
         for (auto* entity : entities) {
             entity->Update(elapsed);
-            entity->CollisionTest(this, elapsed);
 
+            if (physics_accumulator > 0) {
+                for (int iters = 0; iters < physics_accumulator; iters++) {
+                    entity->CollisionTest(this, PhysicsTickrateReciprocal);
+                    entity->PhysicsUpdate(PhysicsTickrateReciprocal);
+                }
+            }
         }
     }
 

Server/include/Server/GameServer.hpp

@@ -6,11 +6,9 @@
 #include "Sockets/UdpServer.hpp"
 
 
-namespace CaveGame::Server
+namespace CaveGame::Server {
-{
 
-    struct ServerInfoPacket
+    struct ServerInfoPacket {
-    {
 
     };