B16-unnamed-building.md
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# B16 - Unnamed building  `OVERWORLD` tileset, **8 x 4 cells** (16 x 8 tiles of 8px, 128 x 64 px). Appears **3 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..8, y=1..4; tile column c=1..16, 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 x5 x6 x7 x8 +-----+-----+-----+-----+-----+-----+-----+-----+ y1 | A B | C C | C C | C C | C C | C C | C C | D E | | F G | H H | H H | H H | H H | H H | H H | G I | +-----+-----+-----+-----+-----+-----+-----+-----+ y2 | F G | H H | H H | H H | H H | H H | H H | G I | | F J | K K | K K | K K | K K | K K | K K | L I | +-----+-----+-----+-----+-----+-----+-----+-----+ y3 | M N | O O | P Q | R P | P Q | R P | O O | S T | | U P | P P | P P | P P | P P | P P | P P | P V | +-----+-----+-----+-----+-----+-----+-----+-----+ y4 | U O | O O | O O | O O | O O | O O | W X | O V | | Y Z | Z Z | Z Z | Z Z | Z Z | Z Z | * a | Z b | +-----+-----+-----+-----+-----+-----+-----+-----+ ``` ## Same grid, raw tile ids ``` x1 x2 x3 x4 x5 x6 x7 x8 +---------+---------+---------+---------+---------+---------+---------+---------+ y1 | 5 6 | 83 83 | 83 83 | 83 83 | 83 83 | 83 83 | 83 83 | 8 9 | | 21 56 | 18 18 | 18 18 | 18 18 | 18 18 | 18 18 | 18 18 | 56 25 | +---------+---------+---------+---------+---------+---------+---------+---------+ y2 | 21 56 | 18 18 | 18 18 | 18 18 | 18 18 | 18 18 | 18 18 | 56 25 | | 21 22 | 23 23 | 23 23 | 23 23 | 23 23 | 23 23 | 23 23 | 24 25 | +---------+---------+---------+---------+---------+---------+---------+---------+ y3 | 37 38 | 10 10 | 34 47 | 63 34 | 34 47 | 63 34 | 10 10 | 40 41 | | 15 34 | 34 34 | 34 34 | 34 34 | 34 34 | 34 34 | 34 34 | 34 31 | +---------+---------+---------+---------+---------+---------+---------+---------+ y4 | 15 10 | 10 10 | 10 10 | 10 10 | 10 10 | 10 10 | 11 12 | 10 31 | | 78 26 | 26 26 | 26 26 | 26 26 | 26 26 | 26 26 | 27 28 | 26 79 | +---------+---------+---------+---------+---------+---------+---------+---------+ ``` As a 1-based Lua array, `rows[r][c]`: ```lua local rows = { { 5, 6, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 83, 8, 9 }, -- r1 { 21, 56, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 56, 25 }, -- r2 { 21, 56, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 56, 25 }, -- r3 { 21, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, 25 }, -- r4 { 37, 38, 10, 10, 34, 47, 63, 34, 34, 47, 63, 34, 10, 10, 40, 41 }, -- r5 { 15, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 31 }, -- r6 { 15, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 12, 10, 31 }, -- r7 { 78, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 28, 26, 79 }, -- r8 } ``` ## Legend _Legend pending._ - `*` = tile 27, used 1x - `A` = tile 5, used 1x - `B` = tile 6, used 1x - `C` = tile 83, used 12x - `D` = tile 8, used 1x - `E` = tile 9, used 1x - `F` = tile 21, used 3x - `G` = tile 56, used 4x - `H` = tile 18, used 24x - `I` = tile 25, used 3x - `J` = tile 22, used 1x - `K` = tile 23, used 12x - `L` = tile 24, used 1x - `M` = tile 37, used 1x - `N` = tile 38, used 1x - `O` = tile 10, used 16x - `P` = tile 34, used 18x - `Q` = tile 47, used 2x - `R` = tile 63, used 2x - `S` = tile 40, used 1x - `T` = tile 41, used 1x - `U` = tile 15, used 2x - `V` = tile 31, used 2x - `W` = tile 11, used 1x - `X` = tile 12, used 1x - `Y` = tile 78, used 1x - `Z` = tile 26, used 12x - `a` = tile 28, used 1x - `b` = 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 SOLID SOLID SOLID SOLID y2 SOLID SOLID SOLID SOLID SOLID SOLID SOLID SOLID y3 SOLID SOLID SOLID SOLID SOLID SOLID SOLID SOLID y4 SOLID SOLID SOLID SOLID SOLID SOLID DOOR SOLID ``` Enterable cell: (7,4). ## Silhouette 186 of the 8192 px inside the box are ground outside the black outline, so the 128x64 box is **not** a solid rectangle - a pixel-perfect cutout has to follow the outline. Terrain pixels by tile row: ``` r1 c1:48px, c2:16px, c15:16px, c16:48px r5 c1:5px, c16:5px r6 c1:8px, c16:8px r7 c1:8px, c16:8px r8 c1:8px, c16:8px ``` ## Where it stands | map | cell (x,y) | door | leads to | | --- | --- | --- | --- | | CELADON_CITY | (6,24) | (12,27) | `CELADON_GYM` | | CERULEAN_CITY | (24,16) | (30,19) | `CERULEAN_GYM` | | SAFFRON_CITY | (28,0) | (34,3) | `SAFFRON_GYM` |