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Bubberstation/code/_onclick/hud/rendering/plane_master.dm
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SkyratBot 873d80335a [MIRROR] Fixes overlay lighting not having any color [MDB IGNORE] (#8873) 
* Fixes overlay lighting not having any color. (#62087)

The overlay lighting plane was never actually being drawn, only used as an alpha filter over the main lighting plane.
That's fine to do, but it only cuts away darkness, doesn't actually lay down any color.

So let's properly draw it too, so things look right

Fixes #61899

* Fixes overlay lighting not having any color

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>
2021-10-16 20:40:09 -04:00

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/atom/movable/screen/plane_master
screen_loc = "CENTER"
icon_state = "blank"
appearance_flags = PLANE_MASTER|NO_CLIENT_COLOR
blend_mode = BLEND_OVERLAY
var/show_alpha = 255
var/hide_alpha = 0
//--rendering relay vars--
///integer: what plane we will relay this planes render to
var/render_relay_plane = RENDER_PLANE_MASTER
///bool: Whether this plane should get a render target automatically generated
var/generate_render_target = TRUE
///integer: blend mode to apply to the render relay in case you dont want to use the plane_masters blend_mode
var/blend_mode_override
///reference: current relay this plane is utilizing to render
var/atom/movable/render_plane_relay/relay
/atom/movable/screen/plane_master/proc/Show(override)
alpha = override || show_alpha
/atom/movable/screen/plane_master/proc/Hide(override)
alpha = override || hide_alpha
//Why do plane masters need a backdrop sometimes? Read https://secure.byond.com/forum/?post=2141928
//Trust me, you need one. Period. If you don't think you do, you're doing something extremely wrong.
/atom/movable/screen/plane_master/proc/backdrop(mob/mymob)
SHOULD_CALL_PARENT(TRUE)
if(!isnull(render_relay_plane))
relay_render_to_plane(mymob, render_relay_plane)
///Things rendered on "openspace"; holes in multi-z
/atom/movable/screen/plane_master/openspace
name = "open space backdrop plane master"
plane = OPENSPACE_BACKDROP_PLANE
appearance_flags = PLANE_MASTER
blend_mode = BLEND_MULTIPLY
alpha = 255
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/openspace/Initialize(mapload)
. = ..()
add_filter("first_stage_openspace", 1, drop_shadow_filter(color = "#04080FAA", size = -10))
add_filter("second_stage_openspace", 2, drop_shadow_filter(color = "#04080FAA", size = -15))
add_filter("third_stage_openspace", 3, drop_shadow_filter(color = "#04080FAA", size = -20))
/atom/movable/screen/plane_master/openspace
name = "open space plane master"
plane = OPENSPACE_PLANE
appearance_flags = PLANE_MASTER
render_relay_plane = RENDER_PLANE_GAME
///Contains just the floor
/atom/movable/screen/plane_master/floor
name = "floor plane master"
plane = FLOOR_PLANE
appearance_flags = PLANE_MASTER
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
///Contains most things in the game world
/atom/movable/screen/plane_master/game_world
name = "game world plane master"
plane = GAME_PLANE
appearance_flags = PLANE_MASTER //should use client color
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/game_world/backdrop(mob/mymob)
. = ..()
remove_filter("AO")
if(istype(mymob) && mymob.client?.prefs?.read_preference(/datum/preference/toggle/ambient_occlusion))
add_filter("AO", 1, drop_shadow_filter(x = 0, y = -2, size = 4, color = "#04080FAA"))
/atom/movable/screen/plane_master/massive_obj
name = "massive object plane master"
plane = MASSIVE_OBJ_PLANE
appearance_flags = PLANE_MASTER //should use client color
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/ghost
name = "ghost plane master"
plane = GHOST_PLANE
appearance_flags = PLANE_MASTER //should use client color
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_NON_GAME
/atom/movable/screen/plane_master/point
name = "point plane master"
plane = POINT_PLANE
appearance_flags = PLANE_MASTER //should use client color
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
/**
* Plane master handling byond internal blackness
* vars are set as to replicate behavior when rendering to other planes
* do not touch this unless you know what you are doing
*/
/atom/movable/screen/plane_master/blackness
name = "darkness plane master"
plane = BLACKNESS_PLANE
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
color = list(null, null, null, "#0000", "#000f")
blend_mode = BLEND_MULTIPLY
appearance_flags = PLANE_MASTER | NO_CLIENT_COLOR | PIXEL_SCALE
//byond internal end
render_relay_plane = RENDER_PLANE_GAME
///Contains all lighting objects
/atom/movable/screen/plane_master/lighting
name = "lighting plane master"
plane = LIGHTING_PLANE
blend_mode_override = BLEND_MULTIPLY
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/lighting/backdrop(mob/mymob)
. = ..()
mymob.overlay_fullscreen("lighting_backdrop_lit", /atom/movable/screen/fullscreen/lighting_backdrop/lit)
mymob.overlay_fullscreen("lighting_backdrop_unlit", /atom/movable/screen/fullscreen/lighting_backdrop/unlit)
/*!
* This system works by exploiting BYONDs color matrix filter to use layers to handle emissive blockers.
*
* Emissive overlays are pasted with an atom color that converts them to be entirely some specific color.
* Emissive blockers are pasted with an atom color that converts them to be entirely some different color.
* Emissive overlays and emissive blockers are put onto the same plane.
* The layers for the emissive overlays and emissive blockers cause them to mask eachother similar to normal BYOND objects.
* A color matrix filter is applied to the emissive plane to mask out anything that isn't whatever the emissive color is.
* This is then used to alpha mask the lighting plane.
*/
/atom/movable/screen/plane_master/lighting/Initialize(mapload)
. = ..()
add_filter("emissives", 1, alpha_mask_filter(render_source = EMISSIVE_RENDER_TARGET, flags = MASK_INVERSE))
add_filter("object_lighting", 2, alpha_mask_filter(render_source = O_LIGHTING_VISUAL_RENDER_TARGET, flags = MASK_INVERSE))
/**
* Handles emissive overlays and emissive blockers.
*/
/atom/movable/screen/plane_master/emissive
name = "emissive plane master"
plane = EMISSIVE_PLANE
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
render_target = EMISSIVE_RENDER_TARGET
render_relay_plane = null
/atom/movable/screen/plane_master/emissive/Initialize(mapload)
. = ..()
add_filter("em_block_masking", 1, color_matrix_filter(GLOB.em_mask_matrix))
/atom/movable/screen/plane_master/above_lighting
name = "above lighting plane master"
plane = ABOVE_LIGHTING_PLANE
appearance_flags = PLANE_MASTER //should use client color
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
///Contains space parallax
/atom/movable/screen/plane_master/parallax
name = "parallax plane master"
plane = PLANE_SPACE_PARALLAX
blend_mode = BLEND_MULTIPLY
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/parallax_white
name = "parallax whitifier plane master"
plane = PLANE_SPACE
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/camera_static
name = "camera static plane master"
plane = CAMERA_STATIC_PLANE
appearance_flags = PLANE_MASTER
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/excited_turfs
name = "atmos excited turfs"
plane = ATMOS_GROUP_PLANE
appearance_flags = PLANE_MASTER
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_GAME
alpha = 0
/atom/movable/screen/plane_master/o_light_visual
name = "overlight light visual plane master"
plane = O_LIGHTING_VISUAL_PLANE
render_target = O_LIGHTING_VISUAL_RENDER_TARGET
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
blend_mode = BLEND_MULTIPLY
blend_mode_override = BLEND_MULTIPLY
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/runechat
name = "runechat plane master"
plane = RUNECHAT_PLANE
appearance_flags = PLANE_MASTER
blend_mode = BLEND_OVERLAY
render_relay_plane = RENDER_PLANE_NON_GAME
/atom/movable/screen/plane_master/runechat/backdrop(mob/mymob)
. = ..()
remove_filter("AO")
if(istype(mymob) && mymob.client?.prefs?.read_preference(/datum/preference/toggle/ambient_occlusion))
add_filter("AO", 1, drop_shadow_filter(x = 0, y = -2, size = 4, color = "#04080FAA"))
/atom/movable/screen/plane_master/gravpulse
name = "gravpulse plane"
mouse_opacity = MOUSE_OPACITY_TRANSPARENT
plane = GRAVITY_PULSE_PLANE
render_target = GRAVITY_PULSE_RENDER_TARGET
render_relay_plane = null
/atom/movable/screen/plane_master/area
name = "area plane"
plane = AREA_PLANE
render_relay_plane = RENDER_PLANE_GAME
/atom/movable/screen/plane_master/radtext
name = "radtext plane"
plane = RAD_TEXT_PLANE
render_relay_plane = RENDER_PLANE_NON_GAME
/atom/movable/screen/plane_master/balloon_chat
name = "balloon alert plane"
plane = BALLOON_CHAT_PLANE
render_relay_plane = RENDER_PLANE_NON_GAME
/atom/movable/screen/plane_master/fullscreen
name = "fullscreen alert plane"
plane = FULLSCREEN_PLANE
render_relay_plane = RENDER_PLANE_NON_GAME
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