### - i -

- IACT_MAPGENERATION : newgrf_industries.h
- IACT_RANDOMCREATION : newgrf_industries.h
- IACT_USERCREATION : newgrf_industries.h
- ICT_MAP_GENERATION : industry.h
- ICT_NORMAL_GAMEPLAY : industry.h
- ICT_SCENARIO_EDITOR : industry.h
- ICT_UNKNOWN : industry.h
- IGT_LIST : settings_internal.h
- IGT_VARIABLES : settings_internal.h
- INDUSTRY_COMPLETED : industry.h
- INDUSTRY_TRIGGER_256_TICKS : newgrf_industries.h
- INDUSTRY_TRIGGER_CARGO_DELIVERY : newgrf_industries.h
- INDUSTRY_TRIGGER_TILELOOP_PROCESS : newgrf_industries.h
- INDUSTRYBEH_AFTER_1960 : industry.h
- INDUSTRYBEH_AI_AIRSHIP_ROUTES : industry.h
- INDUSTRYBEH_AIRPLANE_ATTACKS : industry.h
- INDUSTRYBEH_BEFORE_1950 : industry.h
- INDUSTRYBEH_BUILT_ONWATER : industry.h
- INDUSTRYBEH_CAN_SUBSIDENCE : industry.h
- INDUSTRYBEH_CANCLOSE_LASTINSTANCE : industry.h
- INDUSTRYBEH_CHOPPER_ATTACKS : industry.h
- INDUSTRYBEH_CUT_TREES : industry.h
- INDUSTRYBEH_DONT_INCR_PROD : industry.h
- INDUSTRYBEH_NOBUILT_MAPCREATION : industry.h
- INDUSTRYBEH_ONLY_INTOWN : industry.h
- INDUSTRYBEH_ONLY_NEARTOWN : industry.h
- INDUSTRYBEH_PLANT_FIELDS : industry.h
- INDUSTRYBEH_PLANT_ON_BUILT : industry.h
- INDUSTRYBEH_PROD_MULTI_HNDLING : industry.h
- INDUSTRYBEH_PRODCALLBACK_RANDOM : industry.h
- INDUSTRYBEH_TOWN1200_MORE : industry.h
- INDUSTRYLIFE_BLACK_HOLE : industry.h
- INDUSTRYLIFE_EXTRACTIVE : industry.h
- INDUSTRYLIFE_ORGANIC : industry.h
- INDUSTRYLIFE_PROCESSING : industry.h
- INDUSTRYTILE_NOANIM : industry.h
- INVALID_DIAGDIR : direction_type.h
- INVALID_DIR : direction_type.h
- INVALID_INDUSTRYTILE : industry.h
- INVALID_INDUSTRYTYPE : industry.h
- INVALID_OWNER : player_type.h
- INVALID_PLAYER : player_type.h
- INVALID_RAILTYPE : rail_type.h
- INVALID_RAILTYPES : rail_type.h
- INVALID_ROADTYPE : road_type.h
- INVALID_ROADTYPES : road_type.h
- INVALID_TRACK : track_type.h
- INVALID_TRACK_BIT : track_type.h
- INVALID_TRACKDIR : track_type.h
- INVALID_TRACKDIR_BIT : track_type.h
- IS_PALETTE_COLOR : gfx_type.h