From bc2876d1b596517acc2837f849a41e4b36f04a9d Mon Sep 17 00:00:00 2001
From: Robert <robert.trololo@gmail.com>
Date: Thu, 5 Nov 2020 15:08:34 +0100
Subject: [PATCH] Added screen base class

---
 include/Screen.hpp | 19 +++++++++++++++++++
 src/CMakeLists.txt |  2 +-
 src/Screen.cpp     | 18 ++++++++++++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 include/Screen.hpp
 create mode 100644 src/Screen.cpp

diff --git a/include/Screen.hpp b/include/Screen.hpp
new file mode 100644
index 0000000..ca06e11
--- /dev/null
+++ b/include/Screen.hpp
@@ -0,0 +1,19 @@
+#pragma once
+
+struct SDL_Renderer;
+struct SDL_Texture;
+struct SDL_Rect { int x, y, w, h };
+
+class Screen
+{
+public:
+	Screen(SDL_Renderer* renderer, int x, int y, int w, int h);
+	~Screen();
+
+	virtual void Update() = 0;
+	virtual void Render(SDL_Renderer* renderer) = 0;
+
+protected:
+	SDL_Rect screenSpace;
+	SDL_Texture* texture;
+};
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8968ed6..c904840 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,7 +1,7 @@
 add_executable(fourier
 	"main.cpp"
 	"RenderWindow.cpp"
- )
+  "Screen.cpp")
 
 target_include_directories(fourier PRIVATE
 	${CMAKE_SOURCE_DIR}/include
diff --git a/src/Screen.cpp b/src/Screen.cpp
new file mode 100644
index 0000000..06bbe0b
--- /dev/null
+++ b/src/Screen.cpp
@@ -0,0 +1,18 @@
+#include "Screen.hpp"
+#include <stdexcept>
+#include <SDL.h>
+
+Screen::Screen(SDL_Renderer* renderer, int x, int y, int w, int h) :
+	screenSpace{ x, y, w, h }
+{
+	texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA32, SDL_TEXTUREACCESS_TARGET, w, h);
+	if (texture == nullptr)
+	{
+		throw std::runtime_error(SDL_GetErrorMsg((char*)malloc(512), 511));
+	}
+}
+
+Screen::~Screen()
+{
+	SDL_DestroyTexture(texture);
+}
\ No newline at end of file