B03-unnamed-building.md
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# B03 - Unnamed building  `OVERWORLD` tileset, **4 x 4 cells** (8 x 8 tiles of 8px, 64 x 64 px). Appears **15 times** in the game. Tile ids index `assets/generated/tilesets/overworld.png`, 16 per row. Coordinates are 1-based and local to the building: cell x=1..4, y=1..4; tile column c=1..8, tile row r=1..8. No terrain padding is included - edge rows and columns that were pure ground have been trimmed. ## Symbol grid ``` x1 x2 x3 x4 +-----+-----+-----+-----+ y1 | A B | B B | B B | B C | | D E | E E | E E | E D | +-----+-----+-----+-----+ y2 | D E | E E | E E | E D | | F G | G G | G G | G H | +-----+-----+-----+-----+ y3 | I J | J J | J J | J K | | I L | L L | L L | L K | +-----+-----+-----+-----+ y4 | I L | M N | L L | L K | | O P | * Q | P P | P R | +-----+-----+-----+-----+ ``` ## Same grid, raw tile ids ``` x1 x2 x3 x4 +---------+---------+---------+---------+ y1 | 76 83 | 83 83 | 83 83 | 83 77 | | 90 18 | 18 18 | 18 18 | 18 90 | +---------+---------+---------+---------+ y2 | 90 18 | 18 18 | 18 18 | 18 90 | | 92 23 | 23 23 | 23 23 | 23 93 | +---------+---------+---------+---------+ y3 | 15 10 | 10 10 | 10 10 | 10 31 | | 15 75 | 75 75 | 75 75 | 75 31 | +---------+---------+---------+---------+ y4 | 15 75 | 11 12 | 75 75 | 75 31 | | 78 26 | 27 28 | 26 26 | 26 79 | +---------+---------+---------+---------+ ``` As a 1-based Lua array, `rows[r][c]`: ```lua local rows = { { 76, 83, 83, 83, 83, 83, 83, 77 }, -- r1 { 90, 18, 18, 18, 18, 18, 18, 90 }, -- r2 { 90, 18, 18, 18, 18, 18, 18, 90 }, -- r3 { 92, 23, 23, 23, 23, 23, 23, 93 }, -- r4 { 15, 10, 10, 10, 10, 10, 10, 31 }, -- r5 { 15, 75, 75, 75, 75, 75, 75, 31 }, -- r6 { 15, 75, 11, 12, 75, 75, 75, 31 }, -- r7 { 78, 26, 27, 28, 26, 26, 26, 79 }, -- r8 } ``` ## Legend _Legend pending._ - `*` = tile 27, used 1x - `A` = tile 76, used 1x - `B` = tile 83, used 6x - `C` = tile 77, used 1x - `D` = tile 90, used 4x - `E` = tile 18, used 12x - `F` = tile 92, used 1x - `G` = tile 23, used 6x - `H` = tile 93, used 1x - `I` = tile 15, used 3x - `J` = tile 10, used 6x - `K` = tile 31, used 3x - `L` = tile 75, used 10x - `M` = tile 11, used 1x - `N` = tile 12, used 1x - `O` = tile 78, used 1x - `P` = tile 26, used 4x - `Q` = tile 28, used 1x - `R` = tile 79, used 1x  ## Collision Cell walkability reads the **bottom-left 8px tile** of each cell (`src/world/Map.lua:6`): ``` y1 SOLID SOLID SOLID SOLID y2 SOLID SOLID SOLID SOLID y3 SOLID SOLID SOLID SOLID y4 SOLID DOOR SOLID SOLID ``` Enterable cell: (2,4). ## Silhouette 258 of the 4096 px inside the box are ground outside the black outline, so the 64x64 box is **not** a solid rectangle - a pixel-perfect cutout has to follow the outline. Terrain pixels by tile row: ``` r1 c1:25px, c8:25px r2 c1:24px, c8:24px r3 c1:24px, c8:24px r4 c1:24px, c8:24px r5 c1:8px, c8:8px r6 c1:8px, c8:8px r7 c1:8px, c8:8px r8 c1:8px, c8:8px ``` ## Where it stands | map | cell (x,y) | door | leads to | | --- | --- | --- | --- | | CELADON_CITY | (32,16) | (33,19) | `GAME_CORNER_PRIZE_ROOM` | | CELADON_CITY | (30,24) | (31,27) | `CELADON_DINER` | | CELADON_CITY | (34,24) | (35,27) | `CELADON_CHIEF_HOUSE` | | CELADON_CITY | (42,24) | (43,27) | `CELADON_HOTEL` | | CERULEAN_CITY | (12,22) | (13,25) | `BIKE_SHOP` | | ROUTE_2 | (2,12) | - | scenery, no entrance | | ROUTE_2 | (2,40) | (3,43) | `VIRIDIAN_FOREST_SOUTH_GATE` | | ROUTE_5 | (16,24) | (17,27) | `UNDERGROUND_PATH_ROUTE_5` | | ROUTE_6 | (16,10) | (17,13) | `UNDERGROUND_PATH_ROUTE_6` | | ROUTE_7 | (4,10) | (5,13) | `UNDERGROUND_PATH_ROUTE_7` | | SAFFRON_CITY | (28,26) | (29,29) | `MR_PSYCHICS_HOUSE` | | VERMILION_CITY | (6,0) | (7,3) | `VERMILION_OLD_ROD_HOUSE` | | VERMILION_CITY | (8,10) | (9,13) | `POKEMON_FAN_CLUB` | | VERMILION_CITY | (14,10) | (15,13) | `VERMILION_TRADE_HOUSE` | | VERMILION_CITY | (22,16) | (23,19) | `VERMILION_PIDGEY_HOUSE` |