These mods are based on forge-1.7.10-10.13.0.1180-src.zip downloaded from: http://adf.ly/673885/http://files.minecraftforge.net/maven/net/minecraftforge/forge/1.7.10-10.13.0.1180/forge-1.7.10-10.13.0.1180-src.zip If the link is not valid any more try to find the most recent link here: http://www.minecraftforge.net/forum/index.php/board,3.0.html
The pre-built workspace for Eclipse IDE users. This is not the one in the forge sources, but it serves the same purpose.
./eclipse/
Where all forge related files are found. The folder created during extraction.
./forge/
The location of the source files
./source/
I am using my own ./eclipse and ./source directories to ease the use of version controll (git).
After cloning this repository:
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download recommended minecraft forge source zip
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unzip forge-1.7.10-10.13.0.1180-src.zip within your repo clone.
unzip forge-1.7.10-10.13.0.1180-src.zip - 
change into forge directory
cd forge/ - 
follow the forge installation instructions here: http://www.minecraftforge.net/wiki/Installation/Source
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Open eclipse and choose the ./eclipse directory as workspace ( not forge/eclipse).
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In eclipse:
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close the welcome screen
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navigate to 'File > Import...' then select 'General > Existing Projects into Workspace'
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'Select root directory' and choose the current eclipse workspace directory
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make sure that both projects are selected and 'Finish' the dialogue
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navigate to 'File > Import...' again then select 'General > Preferences'
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'Browse' to
eclipse_cfgand select the 'forge-preferences.epf' file and 'Finish' the dialogue - 
navigate to 'File > Import...' for a last time then select 'Run/Debug > Launch Configurations '
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'Browse' to
eclipse_cfg/forge-launchersand select all launch configurations contained therein and 'Finish' the dialogue 
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aeir_mod is our project, its launchers are called Client/Server aeir_mod.
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The forge project is the original forge project. It is added as "required Project on the build path" of aeir_mod. It is configured to export all forge/mc libraries which are thus imported by aeir_mod. You can create your own projects like this, but do not forget to edit the launchers to launch your project.