Update instructions [skip ci]

README.md

@@ -4,26 +4,22 @@
 - Ubuntu/Debian Packages: https://code.launchpad.net/~timfelgentreff/+archive/ubuntu/stratagus
 - OS X App Bundle: https://github.com/Wargus/stratagus/wiki/osx/Stargus.app.tar.gz
 
-Installation Instructions
-=========================
+## Installation Instructions
 
-NOTE: stratagus ( http://stratagus.org ) is required.
-stargus and stratagus version must match
+Download the installer for your platform. Upon first launch of Stargus, it will ask you for
+your Starcraft installation to extract the data to work with Stargus.
 
-1. compile: mkdir build && cd build && cmake ../ && make
+## Build Instructions
 
-2. extract data: './startool /path/to/cd_or_install_dir /path/to/outputdir'
-	eg:
-	./startool d:/ data.sg
-	./startool /cdrom data.sg
+NOTE: stratagus ( https://github.com/Wargus/stratagus ) is required.
+stargus and stratagus version must match
 
-3. copy files:
-	cp -r scripts data.sg
-	cp contrib/fog.png data.sg/graphics/tilesets
+1. compile:
+    mkdir build
+    cd build
+    cmake -DSTRATAGUS=stratagus -DSTRATAGUS_INCLUDE_DIR=${PATH_TO_STRATAGUS_SRC}/gameheaders ../
+    make
 
-4. start stratagus: '/path/to/stratagus -d /path/to/outputdir'
-	eg:	
-	./stratagus -d data.sg
 
 ![image](https://cloud.githubusercontent.com/assets/46235/11292960/499a7d3c-8f55-11e5-9356-62c190c57467.png)
 ![image](https://cloud.githubusercontent.com/assets/46235/11292993/9198675c-8f55-11e5-9f74-2f23fb207498.png)