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get_tile_fid correct for backwards compatibility and flexibility

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- Allow to pass elevation using the free bits of the tileNum value to access elevations 1 and 2 (instead of defaulting to dude_elevation, which is not how it worked before)
- Access roof FID and raw data using mode flags in the top 4 bits
This commit is contained in:
phobos2077
2023-06-12 18:26:28 +02:00
parent 0d960ca326
commit 4b9008d53c
4 changed files with 33 additions and 6 deletions
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artifacts/scripting/functions.yml
+13 -1
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@@ -823,7 +823,11 @@
- name: Tiles and paths
items:
- name: get_tile_fid
detail: int get_tile_fid(int tile)
detail: int get_tile_fid(int tileData)
doc: |
- returns FID information about the square under the given tile at elevation 0
- pass elevation as 4-bit number in bits 25-28 to access other elevations
- pass result mode in bits 29-32: 0 - Ground FID, 1 - Roof FID, 2 - Raw data.
opcode: 0x823a
- name: tile_under_cursor
detail: int tile_under_cursor
@@ -850,6 +854,14 @@
- returns the tile number at the x, y position relative to the top-left corner of the screen
- if the position is outside of the range of tiles, it will return -1
macro: sfall.h
- name: get_tile_ground_fid
detail: int get_tile_ground_fid(int tileNum, int elevation)
doc: Returns FID of a ground tile at given tileNum and elevation.
macro: sfall.h
- name: get_tile_roof_fid
detail: int get_tile_roof_fid(int tileNum, int elevation)
doc: Returns FID of a roof tile at given tileNum and elevation. Note that FID of 1 is used when there is no actual roof.
macro: sfall.h
- name: obj_blocking_line
detail: ObjectPtr obj_blocking_line(ObjectPtr objFrom, int tileTo, int blockingType)