add raylib and test window

README.md

@@ -4,10 +4,20 @@ Work in progress.
 
 Goals are: parsing an IGC file containing flight data, giving analytics about the flight, and if I really have time to kill, making some kind of (3D??) view of the flight..
 
-TODO:
+# Dependencies
-- header parsing
+
-- data point doubly linked list
+These are mainly for Raylib (the 3D library):
-- Raylib 3d 3rd person flight line visualization????
+
+```
+sudo apt install libasound2-dev libx11-dev libxrandr-dev libxi-dev libgl1-mesa-dev libglu1-mesa-dev libxcursor-dev libxinerama-dev libwayland-dev libxkbcommon-dev
+```
+
+# Compilation & Usage
+
+```
+make
+./a.out <file>
+```
 
 # License
 

igc.c

@@ -9,6 +9,7 @@
  * @license GNU GPL v3
  */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>

main.c

@@ -9,6 +9,8 @@
  * @license GNU GPL v3
  */
 
+#include "raylib.h"
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -41,5 +43,19 @@ int main(int argc, char* argv[])
 
 	print_datapoint_list(head);
 
+	// Raylib test window
+	SetTraceLogLevel(4);
+	const int screenWidth = 800;
+	const int screenHeight = 600;
+	InitWindow(screenWidth, screenHeight, "Raylib basic window");
+	SetTargetFPS(60);
+	while (!WindowShouldClose()) {
+		BeginDrawing();
+		ClearBackground(RAYWHITE);
+		DrawText("It works!", 20, 20, 20, BLACK);
+		EndDrawing();
+	}
+	CloseWindow();
+
 	return EXIT_SUCCESS;
 }

makefile

@@ -1,5 +1,5 @@
 all:
-	gcc -g -Wall -Wextra linkage.c igc.c main.c
+	gcc -Wall -g linkage.c igc.c main.c -I./include -L./lib -lraylib -lGL -lEGL -lGLESv2 -lm -lpthread -ldl -lrt -lX11
  
 clean:
 	rm a.out