| name | value range | comment |
|---|---|---|
| name | string | Name of the airport |
| override | the id of airport to replace / override | |
| layouts | list of layouts | |
| years_available | [start year, last year] | list of the availablility years: first and last year it can be built |
| ttd_airport-type | 0 ... 3 | substitute TTDPatch airport type |
| catchment_area | catchment area of the airport in tiles around its perimeter | |
| noise_level | noise generation of this airport |
| name | value range | comment |
|---|---|---|
| override | the id of airport tile to override | |
| substitute | the id of airport tile to replace | |
| callback_flags | bitmask | |
| animation_info | ||
| animation_speed | see speed settings | |
| animation_triggers |
| name | value range | comment |
|---|---|---|
| layout | 0 .. (number of layouts - 1) | Layout number of the airport (index in the layouts array) |
| name | value range | comment |
|---|---|---|
| terrain_type | ||
| town_radius_group | ||
| relative_x | 0..255 | X-coordinate (top right -> bottom left) of the tile relative to the northernmost tile. |
| relative_y | 0..255 | Y-coordinate (top left -> bottom right) of the tile relative to the northernmost tile. |
| relative_pos | 0xYYXX | A combination of relative_x and relative_y in the format 0xYYXX. Useful if you want to check for a single position. |
| animation_frame |
| name | value range | comment |
|---|---|---|
| nearby_tile_slope | Which corners are raised on the given tile. |
Bit 0: west corner is above the lowest corner. Bit 1: south corner is above the lowest corner. Bit 2: east corner is above the lowest corner. Bit 3: north corner is above the lowest corner. Bit 4: this tile is a steep slope (the corner opposite to the lowest corner is 2 units higher). See tile slopes for an illustration |
| nearby_tile_is_same_airport | 1 if the tile is part of the same airport, 0 otherwise | |
| nearby_tile_is_water | 1 if the tile is water, 0 otherwise | |
| nearby_tile_terrain_type | TILETYPE_XX | TILETYPE_NORMAL, TILETYPE_DESERT, TILETYPE_RAIN_FOREST, TILETYPE_SNOW |
| nearby_tile_height | 0..120 | The height of the lowest corner of the given tile. |
| nearby_tile_class | Tile class | |
| nearby_tile_animation_frame | 0..255 | Animation frame of the given tile |
| nearby_tile_airporttile_id | 0x00aa, 0xFFbb, 0xFFFE or 0xFFFF |
0x00aa: The tile is an airport tile that is part of this GRF, the tile id is aa. 0xFFbb: The tile is an original airport tile with id bb. 0xFFFE: The tile is an airport tile defined in another GRF. 0xFFFF: The tile is not an airport tile or it belongs to another GRF. |