question: @ SuppressWarnings ( "unchecked" ) private static void replacePlayerCape ( AbstractClientPlayer player ) { final String displayName = player . getDisplayNameString ( ) ; final NetworkPlayerInfo playerInfo ; try { playerInfo = ( NetworkPlayerInfo ) GET_PLAYER_INFO . invokeExact ( player ) ; } catch ( Throwable throwable ) { Logger . fatal ( throwable , "Failed to get NetworkPlayerInfo of %s" , displayName ) ; return ; } if ( playerInfo == null ) { Logger . fatal ( "NetworkPlayerInfo of %s is null" , displayName ) ; return ; } final Map < MinecraftProfileTexture . Type , ResourceLocation > playerTextures ; try { playerTextures = ( Map < MinecraftProfileTexture . Type , ResourceLocation > ) GET_PLAYER_TEXTURES . invokeExact ( playerInfo ) ; } catch ( Throwable throwable ) { Logger . fatal ( throwable , "Failed to get player textures of %s" , displayName ) ; return ; } playerTextures . put ( MinecraftProfileTexture . Type . CAPE , CAPE_LOCATION ) ; Logger . info ( "Replaced cape of %s!" , displayName ) ; }
target:  Replace a player's cape with the TestMod3 cape.