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[MIRROR] Multiz Rework: Human Suffering Edition (Contains PLANE CUBE) [MDB IGNORE] (#16472)
* Multiz Rework: Human Suffering Edition (Contains PLANE CUBE) * skyrat changes * bodyparts merge * unres door floorlight fix * Future upstream fix for blindness * upcoming upstream airlock fix * fix button emissive * Fix FOV markings? Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com> Co-authored-by: tastyfish <crazychris32@gmail.com>
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@@ -33,7 +33,6 @@
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/// Whether we have applied our light yet or not.
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var/applied = FALSE
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/// whether we are to be added to SSlighting's sources_queue list for an update
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var/needs_update = LIGHTING_NO_UPDATE
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@@ -106,11 +105,13 @@
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// Yes this doesn't align correctly on anything other than 4 width tabs.
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// If you want it to go switch everybody to elastic tab stops.
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// Actually that'd be great if you could!
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#define EFFECT_UPDATE(level) \
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if (needs_update == LIGHTING_NO_UPDATE) \
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SSlighting.sources_queue += src; \
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if (needs_update < level) \
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needs_update = level; \
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#define EFFECT_UPDATE(level) \
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if (needs_update == LIGHTING_NO_UPDATE) { \
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SSlighting.sources_queue += src; \
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} \
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if (needs_update < level) { \
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needs_update = level; \
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}
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/// This proc will cause the light source to update the top atom, and add itself to the update queue.
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@@ -135,53 +136,61 @@
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/datum/light_source/proc/vis_update()
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EFFECT_UPDATE(LIGHTING_VIS_UPDATE)
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// Macro that applies light to a new corner.
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// It is a macro in the interest of speed, yet not having to copy paste it.
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// If you're wondering what's with the backslashes, the backslashes cause BYOND to not automatically end the line.
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// As such this all gets counted as a single line.
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// The braces and semicolons are there to be able to do this on a single line.
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// This exists so we can cache the vars used in this macro, and save MASSIVE time :)
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// Most of this is saving off datum var accesses, tho some of it does actually cache computation
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// You will NEED to call this before you call APPLY_CORNER
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#define SETUP_CORNERS_CACHE(lighting_source) \
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var/_turf_x = lighting_source.pixel_turf.x; \
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var/_turf_y = lighting_source.pixel_turf.y; \
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#define SETUP_CORNERS_CACHE(lighting_source) \
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var/_turf_x = lighting_source.pixel_turf.x; \
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var/_turf_y = lighting_source.pixel_turf.y; \
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var/_turf_z = lighting_source.pixel_turf.z; \
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var/_range_divisor = max(1, lighting_source.light_range); \
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var/_light_power = lighting_source.light_power; \
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var/_applied_lum_r = lighting_source.applied_lum_r; \
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var/_applied_lum_g = lighting_source.applied_lum_g; \
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var/_applied_lum_b = lighting_source.applied_lum_b; \
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var/_lum_r = lighting_source.lum_r; \
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var/_lum_g = lighting_source.lum_g; \
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var/_lum_b = lighting_source.lum_b; \
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var/_light_power = lighting_source.light_power; \
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var/_applied_lum_r = lighting_source.applied_lum_r; \
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var/_applied_lum_g = lighting_source.applied_lum_g; \
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var/_applied_lum_b = lighting_source.applied_lum_b; \
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var/_lum_r = lighting_source.lum_r; \
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var/_lum_g = lighting_source.lum_g; \
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var/_lum_b = lighting_source.lum_b;
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#define SETUP_CORNERS_REMOVAL_CACHE(lighting_source) \
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#define SETUP_CORNERS_REMOVAL_CACHE(lighting_source) \
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var/_applied_lum_r = lighting_source.applied_lum_r; \
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var/_applied_lum_g = lighting_source.applied_lum_g; \
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var/_applied_lum_b = lighting_source.applied_lum_b;
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#define LUM_FALLOFF(C) (1 - CLAMP01(sqrt((C.x - _turf_x) ** 2 + (C.y - _turf_y) ** 2 + LIGHTING_HEIGHT) / _range_divisor))
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// You may notice we still use squares here even though there are three components
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// Because z diffs are so functionally small, cubes and cube roots are too aggressive
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#define LUM_FALLOFF_MULTIZ(C) (1 - CLAMP01(sqrt((C.x - _turf_x) ** 2 + (C.y - _turf_y) ** 2 + abs(C.z - _turf_z) ** 2 + LIGHTING_HEIGHT) / _range_divisor))
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// Macro that applies light to a new corner.
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// It is a macro in the interest of speed, yet not having to copy paste it.
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// If you're wondering what's with the backslashes, the backslashes cause BYOND to not automatically end the line.
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// As such this all gets counted as a single line.
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// The braces and semicolons are there to be able to do this on a single line.
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#define APPLY_CORNER(C) \
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. = LUM_FALLOFF(C); \
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. *= _light_power; \
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if(C.z == _turf_z) { \
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. = LUM_FALLOFF(C); \
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} \
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else { \
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. = LUM_FALLOFF_MULTIZ(C) \
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} \
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. *= _light_power; \
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var/OLD = effect_str[C]; \
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\
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C.update_lumcount \
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( \
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(. * _lum_r) - (OLD * _applied_lum_r), \
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(. * _lum_g) - (OLD * _applied_lum_g), \
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(. * _lum_b) - (OLD * _applied_lum_b) \
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); \
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(. * _lum_r) - (OLD * _applied_lum_r), \
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(. * _lum_g) - (OLD * _applied_lum_g), \
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(. * _lum_b) - (OLD * _applied_lum_b) \
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);
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#define REMOVE_CORNER(C) \
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. = -effect_str[C]; \
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C.update_lumcount \
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( \
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. * _applied_lum_r, \
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. * _applied_lum_g, \
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. * _applied_lum_b \
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. * _applied_lum_r, \
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. * _applied_lum_g, \
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. * _applied_lum_b \
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);
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/// This is the define used to calculate falloff.
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@@ -206,21 +215,30 @@
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// Keep in mind. Lighting corners accept the bottom left (northwest) set of cords to them as input
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#define GENERATE_MISSING_CORNERS(gen_for) \
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if (!gen_for.lighting_corner_NE) { \
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gen_for.lighting_corner_NE = new /datum/lighting_corner(gen_for.x, gen_for.y, gen_for.z); \
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} \
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if (!gen_for.lighting_corner_SE) { \
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gen_for.lighting_corner_SE = new /datum/lighting_corner(gen_for.x, gen_for.y - 1, gen_for.z); \
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} \
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if (!gen_for.lighting_corner_SW) { \
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#define GENERATE_MISSING_CORNERS(gen_for) \
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if (!gen_for.lighting_corner_NE) { \
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gen_for.lighting_corner_NE = new /datum/lighting_corner(gen_for.x, gen_for.y, gen_for.z); \
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} \
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if (!gen_for.lighting_corner_SE) { \
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gen_for.lighting_corner_SE = new /datum/lighting_corner(gen_for.x, gen_for.y - 1, gen_for.z); \
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} \
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if (!gen_for.lighting_corner_SW) { \
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gen_for.lighting_corner_SW = new /datum/lighting_corner(gen_for.x - 1, gen_for.y - 1, gen_for.z); \
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} \
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if (!gen_for.lighting_corner_NW) { \
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gen_for.lighting_corner_NW = new /datum/lighting_corner(gen_for.x - 1, gen_for.y, gen_for.z); \
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} \
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} \
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if (!gen_for.lighting_corner_NW) { \
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gen_for.lighting_corner_NW = new /datum/lighting_corner(gen_for.x - 1, gen_for.y, gen_for.z); \
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} \
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gen_for.lighting_corners_initialised = TRUE;
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#define INSERT_CORNERS(insert_into, draw_from) \
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if (!draw_from.lighting_corners_initialised) { \
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GENERATE_MISSING_CORNERS(draw_from); \
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} \
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insert_into[draw_from.lighting_corner_NE] = 0; \
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insert_into[draw_from.lighting_corner_SE] = 0; \
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insert_into[draw_from.lighting_corner_SW] = 0; \
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insert_into[draw_from.lighting_corner_NW] = 0;
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/datum/light_source/proc/update_corners()
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var/update = FALSE
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var/atom/source_atom = src.source_atom
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@@ -285,18 +303,44 @@
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var/list/datum/lighting_corner/corners = list()
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if (source_turf)
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var/uses_multiz = !!GET_LOWEST_STACK_OFFSET(source_turf.z)
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var/oldlum = source_turf.luminosity
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source_turf.luminosity = CEILING(light_range, 1)
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for(var/turf/T in view(CEILING(light_range, 1), source_turf))
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if(IS_OPAQUE_TURF(T))
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continue
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if (!T.lighting_corners_initialised)
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GENERATE_MISSING_CORNERS(T)
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if(uses_multiz)
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for(var/turf/T in view(CEILING(light_range, 1), source_turf))
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if(IS_OPAQUE_TURF(T))
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continue
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INSERT_CORNERS(corners, T)
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var/turf/below = SSmapping.get_turf_below(T)
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var/turf/previous = T
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while(below)
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// If we find a non transparent previous, end
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if(!istransparentturf(previous))
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break
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if(IS_OPAQUE_TURF(below))
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// If we're opaque but the tile above us is transparent, then we should be counted as part of the potential "space"
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// Of this corner
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break
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// Now we do lighting things to it
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INSERT_CORNERS(corners, below)
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// ANNND then we add the one below it
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previous = below
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below = SSmapping.get_turf_below(below)
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var/turf/above = SSmapping.get_turf_above(T)
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while(above)
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// If we find a non transparent turf, end
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if(!istransparentturf(above) || IS_OPAQUE_TURF(above))
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break
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INSERT_CORNERS(corners, above)
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above = SSmapping.get_turf_above(above)
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else // Yes I know this could be acomplished with an if in the for loop, but it's fukin lighting code man
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for(var/turf/T in view(CEILING(light_range, 1), source_turf))
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if(IS_OPAQUE_TURF(T))
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continue
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INSERT_CORNERS(corners, T)
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corners[T.lighting_corner_NE] = 0
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corners[T.lighting_corner_SE] = 0
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corners[T.lighting_corner_SW] = 0
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corners[T.lighting_corner_NW] = 0
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source_turf.luminosity = oldlum
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SETUP_CORNERS_CACHE(src)
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