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Bubberstation/code/modules/power/tracker.dm
LemonInTheDark e9c87c0acb Starlight Polish (Space is blue!) (#72886)
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## About The Pull Request

Adds support to underlays to realize_overlays
Ensures decals properly handle plane offsets
Fixes space lighting double applying if it's changeturf'd into. this
will be important later
Makes solar vis_contents block emissives as expected
Moves transit tube overlays to update_overlays, adds emissive blockers
to them

#### Adds render steps

An expansion on render_target based emissive blockers. 
They allow us to hijack an object's appearance and draw it somewhere
else, or even modify it, THEN draw it somewhere else.
They chain quite nicely

Fixes shuttles deleting z holder objects

#### Makes space emissive, makes walls and floors block emissives
The core idea here goes like this:
We make space glow, and give its overlays some color

This way, the tile and space parallax remain fullbright, along with
anything that doesn't block emissives, but anything that does block
emissives will instead get shaded the color of starlight

This requires a bit of extra work, see later

This is done automatically with render relays, which now support
specifiying layer and color (Need to make an editor for these one of
these days)

The emissive blocking floor stuff requires making a second render plate
to prevent double scaling

Also adds some new layering defines for lighting, and ensures all turf
lights have a layer. We'll get to this soon

#### Makes things in space blue

We color them the same as starlight, by taking advantage of space being
emissive
This means that things in space that block emissive will block it
correctly and be colored blue by the light overlay, but space itself
will remain fullbright

This does require redefining what always_lit means, but nothing but
cordons use that so it's fineee


#### Makes glass above space glow, and some other stuff

Glass tiles that sit above space will now shine light with matching
color to the glasses color. This includes mat tiles.

Glass tiles (not mat because they have no alpha) also only partially
block emissives.
Adds a new proc that uses render steps to acomplish this, essentially
we're cutting out bits below X alpha and drawing what remains as an
emissive.

#### Modifies partial space showing to support glow

Essentially, alongside displaying space as an underlay, we also display
a light overlay colored like starlight.
That starlight overlay gets masked to only be visible in bits that do
not contain any alpha.

We also mask the turf lighting to not go into bits that have no alpha,
to ensure we get the effect we want.
This is done with that lighting layer thing I mentioned earlier.

#### Makes appearance realization's list output ordered

I want it output in order of overlay, sub overlay suboverlay, next
overlay
Need to use insert for that

## Why It's Good For The Game

Pretty!
Also having space be emissive is a very very good way to test for fucked
emissive blockers (If it's broken why are we even drawing the overlay)
I know for a fact mob blockers on lizards and socks are kinda yorked, I
think there's more

<details>
<summary>
Old
</summary>


![image](https://user-images.githubusercontent.com/58055496/213916157-d4b38aa7-3ab6-42a4-989f-7bfba2dc2cba.png)

![image](https://user-images.githubusercontent.com/58055496/213916077-637fa288-bbee-477d-aded-730d9683477e.png)

![image](https://user-images.githubusercontent.com/58055496/213916088-0657a8a2-5627-48e2-8c4b-870c90ef2072.png)

</details>


<details>
<summary>
New
</summary>


![image](https://user-images.githubusercontent.com/58055496/213916107-2af74e64-1817-4a44-b528-180a9160cb9e.png)

![image](https://user-images.githubusercontent.com/58055496/213916115-5fa36fcc-b988-4ccf-850e-21c26ed463d0.png)

![image](https://user-images.githubusercontent.com/58055496/213916120-6833187d-b12e-42a7-ac4b-63c56deb71e5.png)

</details>

## Changelog

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🆑
add: Space now makes things in it starlight faintly blue
fix: Glass floors that display space now properly let space shine
through them, rather then hiding it in the dark
add: Glass floors above space now glow faintly depending on their glass
type
/🆑

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your name to the right of the first 🆑 if you want to overwrite your
GitHub username as author ingame. -->
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---------

Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com>
2023-01-31 09:52:27 +00:00

160 lines
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#define TRACKER_Z_OFFSET 13
#define TRACKER_EDGE_Z_OFFSET (TRACKER_Z_OFFSET - 2)
//Solar tracker
//Machine that tracks the sun and reports its direction to the solar controllers
//As long as this is working, solar panels on same powernet will track automatically
/obj/machinery/power/tracker
name = "solar tracker"
desc = "A solar directional tracker."
icon = 'icons/obj/solar.dmi'
icon_state = "tracker_base"
density = TRUE
use_power = NO_POWER_USE
max_integrity = 250
integrity_failure = 0.2
var/id = 0
var/obj/machinery/power/solar_control/control
var/obj/effect/overlay/tracker_dish
var/obj/effect/overlay/tracker_dish_edge
var/azimuth_current
/obj/machinery/power/tracker/Initialize(mapload, obj/item/solar_assembly/S)
. = ..()
tracker_dish_edge = add_panel_overlay("tracker_edge", TRACKER_EDGE_Z_OFFSET)
tracker_dish = add_panel_overlay("tracker", TRACKER_Z_OFFSET)
Make(S)
connect_to_network()
RegisterSignal(SSsun, COMSIG_SUN_MOVED, PROC_REF(sun_update))
/obj/machinery/power/tracker/Destroy()
unset_control() //remove from control computer
return ..()
/obj/machinery/power/tracker/on_changed_z_level(turf/old_turf, turf/new_turf, same_z_layer, notify_contents)
. = ..()
if(same_z_layer)
return
SET_PLANE(tracker_dish_edge, PLANE_TO_TRUE(tracker_dish_edge.plane), new_turf)
SET_PLANE(tracker_dish, PLANE_TO_TRUE(tracker_dish.plane), new_turf)
/obj/effect/overlay/tracker
vis_flags = VIS_INHERIT_ID | VIS_INHERIT_ICON
appearance_flags = TILE_BOUND
blocks_emissive = EMISSIVE_BLOCK_UNIQUE
layer = FLY_LAYER
/obj/machinery/power/tracker/proc/add_panel_overlay(icon_state, z_offset)
var/obj/effect/overlay/overlay = new()
overlay.icon_state = icon_state
SET_PLANE_EXPLICIT(overlay, ABOVE_GAME_PLANE, src)
overlay.pixel_z = z_offset
vis_contents += overlay
return overlay
/obj/machinery/power/tracker/proc/set_control(obj/machinery/power/solar_control/SC)
unset_control()
control = SC
SC.connected_tracker = src
//set the control of the tracker to null and removes it from the previous control computer if needed
/obj/machinery/power/tracker/proc/unset_control()
if(control)
if(control.track == SOLAR_TRACK_AUTO)
control.track = SOLAR_TRACK_OFF
control.connected_tracker = null
control = null
/**
* Get the 2.5D transform for the tracker, given an angle
* Arguments:
* * angle - the angle the panel is facing
*/
/obj/machinery/power/tracker/proc/get_tracker_transform(angle)
// 2.5D solar tracker works by using a magic combination of transforms
var/matrix/turner = matrix()
// Rotate towards sun
turner.Turn(angle)
// Make it skinny on the floor plane
turner.Scale(1, 0.5)
return turner
/obj/machinery/power/tracker/proc/visually_turn_part(part, angle)
var/mid_azimuth = (azimuth_current + angle) / 2
// actually flip to other direction?
if(abs(angle - azimuth_current) > 180)
mid_azimuth = (mid_azimuth + 180) % 360
// Split into 2 parts so it doesn't distort on large changes
animate(part,
transform = get_tracker_transform(mid_azimuth),
time = 2.5 SECONDS, easing = CUBIC_EASING|EASE_IN
)
animate(
transform = get_tracker_transform(angle),
time = 2.5 SECONDS, easing = CUBIC_EASING|EASE_OUT
)
///Tell the controller to turn the solar panels
/obj/machinery/power/tracker/proc/sun_update(datum/source, azimuth)
SIGNAL_HANDLER
visually_turn_part(tracker_dish, azimuth)
visually_turn_part(tracker_dish_edge, azimuth)
azimuth_current = azimuth
if(control && control.track == SOLAR_TRACK_AUTO)
control.set_panels(azimuth)
/obj/machinery/power/tracker/proc/Make(obj/item/solar_assembly/S)
if(!S)
S = new /obj/item/solar_assembly(src)
S.glass_type = /obj/item/stack/sheet/glass
S.tracker = 1
S.update_appearance()
S.set_anchored(TRUE)
S.forceMove(src)
/obj/machinery/power/tracker/crowbar_act(mob/user, obj/item/I)
playsound(src.loc, 'sound/machines/click.ogg', 50, TRUE)
user.visible_message(span_notice("[user] begins to take the glass off [src]."), span_notice("You begin to take the glass off [src]..."))
if(I.use_tool(src, user, 50))
playsound(src.loc, 'sound/items/deconstruct.ogg', 50, TRUE)
user.visible_message(span_notice("[user] takes the glass off [src]."), span_notice("You take the glass off [src]."))
deconstruct(TRUE)
return TRUE
/obj/machinery/power/tracker/atom_break(damage_flag)
. = ..()
if(.)
playsound(loc, 'sound/effects/glassbr3.ogg', 100, TRUE)
unset_control()
/obj/machinery/power/tracker/deconstruct(disassembled = TRUE)
if(!(flags_1 & NODECONSTRUCT_1))
if(disassembled)
var/obj/item/solar_assembly/S = locate() in src
if(S)
S.forceMove(loc)
S.give_glass(machine_stat & BROKEN)
else
playsound(src, SFX_SHATTER, 70, TRUE)
new /obj/item/shard(src.loc)
new /obj/item/shard(src.loc)
qdel(src)
// Tracker Electronic
/obj/item/electronics/tracker
name = "tracker electronics"
#undef TRACKER_Z_OFFSET
#undef TRACKER_EDGE_Z_OFFSET