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0cba68911d
This is it. The big one. Risk: Very large. This modifies or rewrites several important systems. Some things still need balancing, but that's probably better done if/when this hits dev. changes: New smooth lighting system. Machinery split into three processes: machinery, powernet, pipenet Removed due to breakage. Refactored into multi-step process. Mob process rewritten. NanoUI process rewritten. Objects process rewritten. Tweaked color output of station lights. Slime core lights now emit colored light. Fixed light update frequency issue with fire alarms, hydroponics trays, and airlocks. Increased light emission from bolted airlocks. Miscellaneous performance improvements. New datum pool implementation. New lighting usage profiler. Lighting system now tracks UV light, which is not visible to players. Space now has a parallax effect. Disabled Spin View verbs due to incompatibility with the new lighting system. Disabled hallucination view spin due to incompatibility with the new lighting system. Lighting system now initializes in the lobby before the round starts to reduce BoR deadtime. Added UV light tracking to lighting engine; dionae now gain energy exclusively from UV light. Added colored lighting to a few consoles that used default (white) light.
75 lines
3.3 KiB
Plaintext
75 lines
3.3 KiB
Plaintext
/*
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BS12 object based lighting system
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*/
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/*
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Changes from TG DAL:
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- Lighting is done using objects instead of subareas.
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- Animated transitions. (newer TG DAL has this)
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- Full colours with mixing.
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- Support for lights on shuttles.
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- Code:
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- Instead of one flat luminosity var, light is represented by 3 atom vars:
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- light_range; range in tiles of the light, used for calculating falloff,
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- light_power; multiplier for the brightness of lights,
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- light_color; hex string representing the RGB colour of the light.
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- SetLuminosity() is now set_light() and takes the three variables above.
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- Variables can be left as null to not update them.
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- SetOpacity() is now set_opacity().
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- Areas have luminosity set to 1 permanently, no hard-lighting.
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- Objects inside other objects can have lights and they properly affect the turf. (flashlights)
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- area/master and area/list/related have been eviscerated since subareas aren't needed.
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*/
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/*
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Relevant vars/procs:
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global: (uh, I placed the only one in lighting_system.dm)
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- var/list/all_lighting_overlays; Just a list of ALL of the lighting overlays.
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atom: (lighting_atom.dm)
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- var/light_range; range in tiles of the light, used for calculating falloff
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- var/light_power; multiplier for the brightness of lights
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- var/light_color; hex string representing the RGB colour of the light
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- var/datum/light_source/light; light source datum for this atom, only present if light_range && light_power
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- var/list/light_sources; light sources in contents that are shining through this object, including this object
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- proc/set_light(l_range, l_power, l_color):
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- Sets light_range/power/color to non-null args and calls update_light()
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- proc/set_opacity(new_opacity):
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- Sets opacity to new_opacity.
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- If opacity has changed, call turf.reconsider_lights() to fix light occlusion
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- proc/update_light():
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- Updates the light var on this atom, deleting or creating as needed and calling .update()
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turf: (lighting_turf.dm)
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- var/list/affecting_lights; list of light sources that are shining onto this turf
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- var/list/lighting_overlays; list of lighting overlays in the turf. (only used if higher resolutions
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- var/lighting_overlay; ref to the lighting overlay (only used if resolution is 1)
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- proc/reconsider_lights():
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- Force all light sources shining onto this turf to update
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- proc/lighting_clear_overlays():
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- Delete (manual GC) all light overlays on this turf, used when changing turf to space
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- proc/lighting_build_overlays():
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- Create lighting overlays for this turf
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- proc/get_lumcount(var/minlum = 0, var/maxlum = 1)
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- Returns a decimal according to the amount of lums on a turf's overlay (also averages them)
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- With default arguments (based on the fact that 0 = pitch black and 1 = full bright), it will return .5 for a 50% lit tile.
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atom/movable/lighting_overlay: (lighting_overlay.dm)
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- var/lum_r, var/lum_g, var/lum_b; lumcounts of each colour
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- var/needs_update; set on update_lumcount, checked by lighting process
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- var/xoffset, var/yoffset; (only present when using sub-tile overlays) fractional offset of this overlay in the tile
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- proc/update_lumcount(delta_r, delta_g, delta_b):
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- Change the lumcount vars and queue the overlay for update
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- proc/update_overlay()
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- Called by the lighting process to update the color of the overlay
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*/
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