adding gameplay buffer

CMakeLists.txt

@@ -10,8 +10,10 @@ add_subdirectory(libs/blah)
 
 # add our source
 add_executable(game
-	
+	src/main.cpp
 	src/world.cpp
+	src/game.cpp
+	src/content.cpp
 )
 
 # Reference blah

src/content.cpp

@@ -0,0 +1,40 @@
+#include "content.h"
+
+using namespace TL;
+
+namespace
+{
+	FilePath root;
+}
+
+SpriteFont Content::font;
+
+FilePath Content::path()
+{
+	if (root.length() <= 0)
+	{
+		FilePath up = "";
+		do
+		{
+			root = Path::normalize(FilePath::fmt("%s/%scontent/", App::path(), up.cstr()));
+			up.append("../");
+		} while (!Directory::exists(root) && up.length() < 30);
+
+		if (!Directory::exists(root))
+			BLAH_ERROR("Unable to find content directory!");
+
+		Log::print("Content Path: %s", root.cstr());
+	}
+
+	return root;
+}
+
+void Content::load()
+{
+	font = SpriteFont(path() + "fonts/dogica.ttf", 8, SpriteFont::ASCII);
+}
+
+void Content::unload()
+{
+	font.dispose();
+}

src/content.h

@@ -0,0 +1,17 @@
+#pragma once
+#include <blah.h>
+
+using namespace Blah;
+
+namespace TL
+{
+	class Content
+	{
+	public:
+		static SpriteFont font;
+
+		static FilePath path();
+		static void load();
+		static void unload();
+	};
+}

src/game.cpp

@@ -0,0 +1,55 @@
+#include "game.h"
+#include "content.h"
+
+using namespace TL;
+
+void Game::startup()
+{
+	// load our content
+	Content::load();
+
+	// framebuffer for the game
+	buffer = FrameBuffer::create(320, 180);
+
+	// set batcher to use Nearest Filter
+	batch.default_sampler = TextureSampler(TextureFilter::Nearest);
+}
+
+void Game::shutdown()
+{
+
+}
+
+void Game::update()
+{
+
+}
+
+void Game::render()
+{
+	// draw gameplay stuff
+	{
+		buffer->clear(Color::red);
+
+		batch.str(Content::font, "Hello World", Vec2(32, 32), Color::white);
+		batch.render(buffer);
+		batch.clear();
+	}
+
+	// draw buffer to the screen
+	{
+		float scale = Calc::min(
+			App::backbuffer->width() / (float)buffer->width(),
+			App::backbuffer->height() / (float)buffer->height());
+
+		Vec2 screen_center = Vec2(App::backbuffer->width(), App::backbuffer->height()) / 2;
+		Vec2 buffer_center = Vec2(buffer->width(), buffer->height()) / 2;
+
+		App::backbuffer->clear(Color::black);
+		batch.push_matrix(Mat3x2::create_transform(screen_center, buffer_center, Vec2::one * scale, 0));
+		batch.tex(buffer->attachment(0), Vec2::zero, Color::white);
+		batch.pop_matrix();
+		batch.render(App::backbuffer);
+		batch.clear();
+	}
+}

src/game.h

@@ -0,0 +1,21 @@
+#pragma once
+#include <blah.h>
+#include "world.h"
+
+using namespace Blah;
+
+namespace TL
+{
+	class Game
+	{
+	public:
+		World world;
+		FrameBufferRef buffer;
+		Batch batch;
+
+		void startup();
+		void shutdown();
+		void update();
+		void render();
+	};
+}

src/main.cpp

@@ -0,0 +1,45 @@
+#include <blah.h>
+#include "game.h"
+
+using namespace Blah;
+using namespace TL;
+
+namespace
+{
+	Game game;
+
+	void startup()
+	{
+		game.startup();
+	}
+
+	void shutdown()
+	{
+		game.shutdown();
+	}
+
+	void update()
+	{
+		game.update();
+	}
+
+	void render()
+	{
+		game.render();
+	}
+}
+
+int main()
+{
+	Config config;
+	config.name = "Tiny Link";
+	config.width = 1280;
+	config.height = 720;
+
+	config.on_startup = startup;
+	config.on_shutdown = shutdown;
+	config.on_update = update;
+	config.on_render = render;
+
+	App::run(&config);
+}