added inventory toggle

Mine2d/engine/Renderer.cs

@@ -102,7 +102,7 @@ public class Renderer
 
     public void DrawText(string text, int x, int y, bool center = false)
     {
-        var (texture, width, height, surfaceMessage) = CreateTextTexture(text);
+        var (texture, width, height, surfaceMessage) = this.CreateTextTexture(text);
 
         var rect = new SDL_Rect
         {
@@ -144,7 +144,7 @@ public class Renderer
         };
         ProcessStatus(SDL_RenderCopy(this.renderer, texture, IntPtr.Zero, ref rect));
     }
-public void DrawTexture(IntPtr texture, int x, int y, int w, int h, int srcX, int srcY, int srcWidth, int srcHeight)
+    public void DrawTexture(IntPtr texture, int x, int y, int w, int h, int srcX, int srcY, int srcWidth, int srcHeight)
     {
         SDL_Rect rect = new()
         {
@@ -200,9 +200,14 @@ public void DrawTexture(IntPtr texture, int x, int y, int w, int h, int srcX, in
         }
     }
 
-    internal (int srcW, int srcH) GetTextureSize(IntPtr src)
+    public (int srcW, int srcH) GetTextureSize(IntPtr src)
     {
         ProcessStatus(SDL_QueryTexture(src, out _, out _, out var srcW, out var srcH));
         return (srcW, srcH);
     }
+
+    public void SetDrawBlendMode(SDL_BlendMode blendMode)
+    {
+        ProcessStatus(SDL_SetRenderDrawBlendMode(this.renderer, blendMode));
+    }
 }

Mine2d/engine/TextureFactory.cs

@@ -35,7 +35,7 @@ public class TextureFactory
         return target;
     }
 
-    private IntPtr LoadTexture(string path)
+    public IntPtr LoadTexture(string path)
     {
         if (this.textureCache.TryGetValue(path, out var value))
         {

Mine2d/game/Context.cs

@@ -3,6 +3,7 @@ using Mine2d.engine.networking;
 using Mine2d.game.core.items;
 using Mine2d.game.core.tiles;
 using Mine2d.game.frontend;
+using Mine2d.game.frontend.inventory;
 using Mine2d.game.state;
 
 namespace Mine2d.game;
@@ -21,6 +22,7 @@ public class Context
     public ResourceLoader ResourceLoader { get; set; }
     public TextureFactory TextureFactory { get; set; }
     public GameAudio GameAudio { get; set; }
+    public InventoryRegistry InventoryRegistry { get; set; }
     public static Context Instance { get; set; }
 
     public Context(
@@ -45,6 +47,7 @@ public class Context
         this.TileRegistry = new TileRegistry();
         this.ItemRegistry = new ItemRegistry();
         this.GameAudio = new GameAudio();
+        this.InventoryRegistry = new InventoryRegistry();
         Instance = this;
     }
 

Mine2d/game/frontend/events/InventoryInput.cs

@@ -1,12 +1,13 @@
 using Mine2d.engine.system;
 using Mine2d.engine.system.annotations;
+using Mine2d.game.state;
 
 namespace Mine2d.game.frontend.events;
 
 public class InventoryInput
 {
     [EventListener(EventType.KeyDown)]
-    public static void OnKeyDown(SDL_Event e)
+    public static void OnKeyDownSwitchHotbar(SDL_Event e)
     {
         var frontendGameState = Context.Get().FrontendGameState;
         frontendGameState.HotbarIndex = e.key.keysym.sym switch
@@ -38,4 +39,18 @@ public class InventoryInput
             frontendGameState.HotbarIndex = 0;
         }
     }
+
+    [EventListener(EventType.KeyDown)]
+    public static void OnKeyDownOpenInventory(SDL_Event e)
+    {
+        var frontendGameState = Context.Get().FrontendGameState;
+        if(e.key.keysym.sym == SDL_Keycode.SDLK_TAB)
+        {
+            if(frontendGameState.OpenInventory != Inventory.Player) {
+                frontendGameState.OpenInventory = Inventory.Player;
+            } else {
+                frontendGameState.OpenInventory = Inventory.None;
+            }
+        }
+    }
 }

Mine2d/game/frontend/inventory/InventoryConstants.cs

@@ -0,0 +1,6 @@
+namespace Mine2d.game.frontend.inventory;
+
+public static class InventoryConstants
+{
+    public static readonly int ExtraSlotsWidth = 21;
+}

Mine2d/game/frontend/inventory/InventoryRegistry.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Mine2d.game.state;
+
+namespace Mine2d.game.frontend.inventory;
+
+public class InventoryRegistry
+{
+    private readonly Dictionary<Inventory, IInventoryRenderer> inventoryRenderers = new();
+
+    public InventoryRegistry()
+    {
+        this.inventoryRenderers.Add(Inventory.Player, new PlayerInventoryRenderer());
+    }
+
+    public IInventoryRenderer GetRenderer(Inventory inventory)
+    {
+        return this.inventoryRenderers[inventory];
+    }
+}

Mine2d/game/frontend/inventory/InventoryRenderer.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Mine2d.engine;
+
+namespace Mine2d.game.frontend.inventory;
+
+public interface IInventoryRenderer : IRenderer
+{
+}

Mine2d/game/frontend/inventory/PlayerInventoryRenderer.cs

@@ -0,0 +1,23 @@
+namespace Mine2d.game.frontend.inventory
+{
+    public class PlayerInventoryRenderer : IInventoryRenderer
+    {
+        private IntPtr texture = IntPtr.Zero;
+
+        public void Render()
+        {
+            var ctx = Context.Get();
+            if(this.texture == IntPtr.Zero) {
+                this.texture = ctx.TextureFactory.LoadTexture("hud.player-inventory");
+            }
+            var (width, height) = ctx.Renderer.GetTextureSize(this.texture);
+            width *= ctx.FrontendGameState.Settings.UiScale;
+            height *= ctx.FrontendGameState.Settings.UiScale;
+            var extraSlotsWidth = InventoryConstants.ExtraSlotsWidth * ctx.FrontendGameState.Settings.UiScale;
+            var (windowWidth, windowHeight) = (ctx.FrontendGameState.WindowWidth, ctx.FrontendGameState.WindowHeight);
+            var x = (windowWidth - (width - extraSlotsWidth)) / 2;
+            var y = (windowHeight - height) / 2;
+            ctx.Renderer.DrawTexture(this.texture, x, y, width, height);
+        }
+    }
+}

Mine2d/game/frontend/renderer/GameRenderer.cs

@@ -14,6 +14,7 @@ public class GameRenderer : IRenderer
         this.renderers.Add(new ItemRenderer());
         this.renderers.Add(new WorldCursorRenderer());
         this.renderers.Add(new HudRenderer());
+        this.renderers.Add(new InventoryRenderer());
         this.renderers.Add(new TooltipRenderer());
     }
 

Mine2d/game/frontend/renderer/InventoryRenderer.cs

@@ -0,0 +1,19 @@
+using Mine2d.engine;
+using Mine2d.game.state;
+
+namespace Mine2d.game.frontend.renderer
+{
+    public class InventoryRenderer : IRenderer
+    {
+        public void Render() {
+            var ctx = Context.Get();
+            var inventory = ctx.FrontendGameState.OpenInventory;
+            if(inventory == Inventory.None) return;
+            ctx.Renderer.SetColor(0, 0, 0, 200);
+            ctx.Renderer.SetDrawBlendMode(SDL_BlendMode.SDL_BLENDMODE_BLEND);
+            ctx.Renderer.DrawRect(0, 0, ctx.FrontendGameState.WindowWidth, ctx.FrontendGameState.WindowHeight);
+            var inventoryRenderer = ctx.InventoryRegistry.GetRenderer(inventory);
+            inventoryRenderer.Render();
+        }
+    }
+}

Mine2d/game/state/FrontendGameState.cs

@@ -2,6 +2,11 @@ using Mine2d.game.core;
 
 namespace Mine2d.game.state;
 
+public enum Inventory {
+    None,
+    Player
+}
+
 public class FrontendGameState
 {
     public Vector2 MovementInput { get; set; }
@@ -15,6 +20,7 @@ public class FrontendGameState
     public string PlayerName { get; set; } = "Player";
     public int HotbarIndex { get; set; }
     public string Tooltip { get; set; } = "Test";
+    public Inventory OpenInventory { get; set; } = Inventory.None;
 }
 
 public class Settings