From 0065bf80e94b73c1bcffd6dc74140dcfa525d539 Mon Sep 17 00:00:00 2001
From: Danilo <borges_santos89@hotmail.com>
Date: Thu, 6 Jun 2024 14:28:00 -0300
Subject: [PATCH] Implementa SpriteBatch com um GraphicsResource

---
 framework/platform-dx/sprite.cpp          |  8 ++++----
 inc/xna/graphics/sprite.hpp               | 18 ++++++++++++++++--
 samples/01_blank/xna.cpp                  |  2 +-
 samples/02_PlatfformerStarterKit/game.cpp |  2 +-
 4 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/framework/platform-dx/sprite.cpp b/framework/platform-dx/sprite.cpp
index 3221aa7..e316927 100644
--- a/framework/platform-dx/sprite.cpp
+++ b/framework/platform-dx/sprite.cpp
@@ -123,17 +123,17 @@ namespace xna {
 		impl->_dxSpriteFont->SetLineSpacing(static_cast<float>(value));		
 	}		
 
-	SpriteBatch::SpriteBatch(GraphicsDevice& device) {
-		if (!device.impl->_context)
+	SpriteBatch::SpriteBatch(sptr<GraphicsDevice> const& device) : GraphicsResource(device) {
+		if (!device->impl->_context)
 			return;
 
 		implementation = uNew<PlatformImplementation>();
 		implementation->_dxspriteBatch = New<DxSpriteBatch>(
 			//ID3D11DeviceContext* deviceContext
-			device.impl->_context
+			device->impl->_context
 		);
 
-		Viewport(device.Viewport());
+		Viewport(device->Viewport());
 	}	
 
 	void SpriteBatch::Begin(SpriteSortMode sortMode, BlendState* blendState, SamplerState* samplerState, DepthStencilState* depthStencil, RasterizerState* rasterizerState, Matrix const& transformMatrix) {
diff --git a/inc/xna/graphics/sprite.hpp b/inc/xna/graphics/sprite.hpp
index a719a32..38d6dbd 100644
--- a/inc/xna/graphics/sprite.hpp
+++ b/inc/xna/graphics/sprite.hpp
@@ -5,11 +5,15 @@
 #include "../common/numerics.hpp"
 #include "../common/color.hpp"
 #include <optional>
+#include "../graphics/gresource.hpp"
 
 namespace xna {
-	class SpriteBatch {
+	//Enables a group of sprites to be drawn using the same settings. 
+	class SpriteBatch : public GraphicsResource {
 	public:
-		SpriteBatch(GraphicsDevice& device);
+		SpriteBatch(sptr<GraphicsDevice> const& device);
+
+		//Begins a sprite batch operation. 
 		void Begin(
 			SpriteSortMode sortMode = SpriteSortMode::Deferred,
 			BlendState* blendState = nullptr,
@@ -19,8 +23,14 @@ namespace xna {
 			//Effect
 			Matrix const& transformMatrix = Matrix::Identity()
 		);
+
+		//Flushes the sprite batch and restores the device state to how it was before Begin was called.
 		void End();
 		
+		//
+		// Draw - Adds a sprite to a batch of sprites to be rendered.
+		//
+
 		void Draw(uptr<Texture2D> const& texture, Vector2 const& position, Color const& color) { Draw(*texture, position, color); }
 		void Draw(sptr<Texture2D> const& texture, Vector2 const& position, Color const& color) { Draw(*texture, position, color); }
 		void Draw(Texture2D& texture, Vector2 const& position, Color const& color);
@@ -58,6 +68,10 @@ namespace xna {
 		void Draw(Texture2D& texture, Rectangle const& destinationRectangle, std::optional<Rectangle> const& sourceRectangle, Color const& color,
 			float rotation, Vector2 const& origin, SpriteEffects effects, float layerDepth);		
 
+		//
+		// DrawString - Adds a string to a batch of sprites to be rendered.
+		//
+
 		void DrawString(uptr<SpriteFont> const& spriteFont, String const& text, Vector2 const& position, Color const& color) { DrawString(*spriteFont, text, position, color); }
 		void DrawString(sptr<SpriteFont> const& spriteFont, String const& text, Vector2 const& position, Color const& color) { DrawString(*spriteFont, text, position, color); }
 		void DrawString(SpriteFont& spriteFont, String const& text, Vector2 const& position, Color const& color);
diff --git a/samples/01_blank/xna.cpp b/samples/01_blank/xna.cpp
index 3ed637b..38352e0 100644
--- a/samples/01_blank/xna.cpp
+++ b/samples/01_blank/xna.cpp
@@ -25,7 +25,7 @@ namespace xna {
 		}
 
 		void LoadContent() override {
-			spriteBatch = New<SpriteBatch>(*graphicsDevice);
+			spriteBatch = New<SpriteBatch>(graphicsDevice);
 			auto texture = Content()->Load<PTexture2D>("Idle");
 			Game::LoadContent();
 		}
diff --git a/samples/02_PlatfformerStarterKit/game.cpp b/samples/02_PlatfformerStarterKit/game.cpp
index dfcc7a5..63b77be 100644
--- a/samples/02_PlatfformerStarterKit/game.cpp
+++ b/samples/02_PlatfformerStarterKit/game.cpp
@@ -31,7 +31,7 @@ namespace PlatformerStarterKit {
 		}
 
 		void LoadContent() override {
-			spriteBatch = New<SpriteBatch>(*graphicsDevice);					
+			spriteBatch = New<SpriteBatch>(graphicsDevice);					
 
 			// Load fonts
 			hudFont = Content()->Load<PSpriteFont>("Fonts/Hud");