A pirate mod is a great idea. I was playing around with a mod where pirate victory conditions where very different from the Rebs and Imp. For instance, the conditions would be (1) pirate homeworld must survive, and (2) pirate faction must infiltrate each planet with a smuggler/pirate unit or pirate base. Pirates would start out with one homeworld, and would steal research like the Rebs, and their income would come from establishing pirate bases/infiltrating other worlds. I could not get this to work, however.
I dont have aim so ill just put it here. I don't know how to add pirates to skirmish, only galactic conquest.
1)Go into CAMPAIGNS_SINGLEPLAYER.xml then choose a campaign you want to mod.
2)Hightlight/copy then paste the faction below the one u just copied.
3)Next you need to change certain names from Empire to Pirates like this.
<Campaign Name="Sandbox_Galactic_Conflict_Pirates">
<Campaign_Set> Sandbox_Galactic_Conflict </Campaign_Set>
<Text_ID> TEXT_CAMPAIGN_SINGLE_44 </Text_ID>
<Description_Text> TEXT_CAMPAIGN_SINGLE_DESCRIPTION_44 </Description_Text>
<Camera_Shift_X> 40.0 </Camera_Shift_X>
<Camera_Shift_Y> 0.0 </Camera_Shift_Y>
<Camera_Distance> 1200.0 </Camera_Distance>
<Locations> Galaxy_Core_Art_Model, Abregado_Rae, AetenII, Alderaan, AlzocIII, Anaxes, Atzerri, Bespin, Bestine, Bonadan, Bothawui, Byss, Carida, Corellia, Corulag, Coruscant, Dagobah, Dantooine, Endor, Eriadu, Fondor, Fresia, Geonosis, Hoth, Ilum, Jabiim, Kashyyyk, Kessel, Korriban, Kuat, Manaan, MonCalimari, Naboo, NalHutta, Polus, Ryloth, Shola, Sullust, Taris, Tatooine, Thyferra, VergessoAsteroids, Wayland, Yavin </Locations>
<Trade_Routes> Abregado_Rae_Fondor, Abregado_Rae_Sullust, Anaxes_Coruscant, Bespin_Hoth, Corellia_Coruscant, Corellia_Kessel, Corellia_Ryloth, Corulag_Coruscant, Dagobah_Eriadu, Eriadu_Sullust, Fondor_Thyferra </Trade_Routes>
<Home_Location> Rebel, Hoth </Home_Location>
<Home_Location> Empire, Corellia </Home_Location>
<Home_Location> Pirates, Ryloth </Home_Location>
<Starting_Active_Player> Pirates </Starting_Active_Player>
<Rebel_Story_Name>Story_Plots_Rebel_AI_Heroes.xml</Rebel_Story_Name>
<Empire_Story_Name>Story_Plots_Sandbox_44_Empire.xml</Empire_Story_Name>
<AI_Player_Control> Rebel, BasicRebel </AI_Player_Control>
<AI_Player_Control> Pirates, SandboxHuman </AI_Player_Control>
<AI_Player_Control> Empire, BasicEmpire </AI_Player_Control>
<Markup_Filename>Rebel, DefaultGalacticHints </Markup_Filename>
<Markup_Filename>Pirates, DefaultGalacticHints </Markup_Filename>
<Supports_Custom_Settings>True</Supports_Custom_Settings>
<Show_Completed_Tab>False</Show_Completed_Tab>
<!-- Win Conditions -->
<Good_Victory_Conditions>
Galactic_All_Planets_Controlled,
Galactic_Opponent_Controls_No_Planets,
Galactic_Super_Weapon_Destruction,
</Good_Victory_Conditions>
<Evil_Victory_Conditions>
Galactic_All_Planets_Controlled,
Galactic_Opponent_Controls_No_Planets,
Galactic_Super_Weapon_Destroys_Last_Enemy_Planet,
</Evil_Victory_Conditions>
<!-- Special Case Planets for Cantinas and Hutt Palaces -->
<Special_Case_Production> Empire, Abregado_Rae, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, Abregado_Rae, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, Atzerri, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, Atzerri, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, Atzerri, Ground_Hutt_Palace_E</Special_Case_Production>
<Special_Case_Production> Rebel, Atzerri, Ground_Hutt_Palace_R</Special_Case_Production>
<Special_Case_Production> Empire, Corellia, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, Corellia, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, NalHutta, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, NalHutta, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, NalHutta, Ground_Hutt_Palace_E</Special_Case_Production>
<Special_Case_Production> Rebel, NalHutta, Ground_Hutt_Palace_R</Special_Case_Production>
<Special_Case_Production> Empire, Ryloth, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, Ryloth, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, Ryloth, Ground_Hutt_Palace_E</Special_Case_Production>
<Special_Case_Production> Rebel, Ryloth, Ground_Hutt_Palace_R</Special_Case_Production>
<Special_Case_Production> Empire, Tatooine, Ground_Cantina_E</Special_Case_Production>
<Special_Case_Production> Rebel, Tatooine, Ground_Cantina_R</Special_Case_Production>
<Special_Case_Production> Empire, Tatooine, Ground_Hutt_Palace_E</Special_Case_Production>
<Special_Case_Production> Rebel, Tatooine, Ground_Hutt_Palace_R</Special_Case_Production>
<!-- Rebel Starting Forces -->
<Starting_Credits> Rebel, 10000 </Starting_Credits>
<Starting_Tech_Level> Rebel, 2 </Starting_Tech_Level>
<Max_Tech_Level> Rebel, 4 </Max_Tech_Level>
<!-- Rebel Space Forces -->
<Starting_Forces> Rebel, MonCalimari, Rebel_X-Wing_Squadron </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Rebel_X-Wing_Squadron </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Y-Wing_Squadron </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Corellian_Corvette </Starting_Forces>
<!-- Rebel Land Forces -->
<Starting_Forces> Rebel, MonCalimari, R_Ground_Barracks </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Rebel_Ground_Mining_Facility </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Rebel_Ground_Mining_Facility </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Rebel_Infantry_Squad </Starting_Forces>
<Starting_Forces> Rebel, MonCalimari, Rebel_Light_Tank_Brigade </Starting_Forces>
<!-- Empire Starting Forces -->
<Starting_Credits> Empire, 10000 </Starting_Credits>
<Starting_Tech_Level> Empire, 3 </Starting_Tech_Level>
<Max_Tech_Level> Empire, 5 </Max_Tech_Level>
<!-- Empire Space Forces -->
<Starting_Forces> Empire, Thyferra, Tartan_Patrol_Cruiser </Starting_Forces>
<!-- Empire Land Forces -->
<Starting_Forces> Empire, Thyferra, E_Ground_Barracks </Starting_Forces>
<Starting_Forces> Empire, Thyferra, Imperial_Stormtrooper_Squad </Starting_Forces>
<!-- Pirates Starting Forces -->
<Starting_Forces> Pirates, Ryloth, Pirate_Fighter_Squadron </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Fighter_Squadron </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Frigate </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Frigate </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Fighter_Squadron </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Fighter_Squadron </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Frigate </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Frigate </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Command_Center </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Soldier_Squad </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Soldier_Squad </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_PLEX_Squad </Starting_Forces>
<Starting_Forces> Pirates, Ryloth, Pirate_Swamp_Speeder_Team </Starting_Forces>
</Campaign>
4)Once that is done go into Factions.xml. Scroll down to Pirates and make it playable.
Have you found out how to make the Virago buildable (for any faction)?