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Multi-Z connectivity no longer limited by bit field

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Port of Baystation  (#19832), Mirrored to Polaris (#6534)
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2019-11-22 08:37:03 -05:00
parent 04ec5cf365
commit c342290277
1 changed files with 13 additions and 11 deletions
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24
code/modules/multiz/basic.dm
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@@ -1,25 +1,27 @@
// If you add a more comprehensive system, just untick this file.
// WARNING: Only works for up to 17 z-levels!
var/z_levels = 0 // Each bit represents a connection between adjacent levels. So the first bit means levels 1 and 2 are connected.
var/list/z_levels = list()// Each bit re... haha just kidding this is a list of bools now
// If the height is more than 1, we mark all contained levels as connected.
/obj/effect/landmark/map_data/New()
ASSERT(height <= z)
// Due to the offsets of how connections are stored v.s. how z-levels are indexed, some magic number silliness happened.
for(var/i = (z - height) to (z - 2))
z_levels |= (1 << i)
qdel(src)
for(var/i = (z - height + 1) to (z-1))
if (z_levels.len <i)
z_levels.len = i
z_levels[i] = TRUE
/obj/effect/landmark/map_data/Initialize()
..()
return INITIALIZE_HINT_QDEL
// The storage of connections between adjacent levels means some bitwise magic is needed.
/proc/HasAbove(var/z)
if(z >= world.maxz || z > 16 || z < 1)
if(z >= world.maxz || z < 1 || z > z_levels.len)
return 0
return z_levels & (1 << (z - 1))
return z_levels[z]
/proc/HasBelow(var/z)
if(z > world.maxz || z > 17 || z < 2)
if(z > world.maxz || z < 2 || (z-1) > z_levels.len)
return 0
return z_levels & (1 << (z - 2))
return z_levels[z-1]
// Thankfully, no bitwise magic is needed here.
/proc/GetAbove(var/atom/atom)