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Simplify skybox parallax code and add support for scaling for larger client.view sizes.

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- Hooked up skybox to recalculate it's scaling when the view changes.
 - Added constant defines to clarify where the magic numbers are coming from.
This commit is contained in:
Leshana
2020-03-14 16:27:44 -04:00
parent 888f25cf8e
commit c8d64783cc
2 changed files with 28 additions and 2 deletions
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29
code/_onclick/hud/skybox.dm
View File

@@ -1,19 +1,34 @@
#define SKYBOX_PADDING 4 // How much larger we want the skybox image to be than client's screen (in turfs)
#define SKYBOX_PIXELS 736 // Size of skybox image in pixels
#define SKYBOX_TURFS (SKYBOX_PIXELS/WORLD_ICON_SIZE)
// Skybox screen object.
/obj/skybox
name = "skybox"
mouse_opacity = 0
anchored = TRUE
simulated = FALSE
screen_loc = "CENTER:-352,CENTER:-352" // (736/2 - 32/2)
screen_loc = "CENTER,CENTER"
plane = SKYBOX_PLANE
blend_mode = BLEND_MULTIPLY // You actually need to do it this way or you see it in occlusion.
// Adjust transform property to scale for client's view var. We assume the skybox is 736x736 px
/obj/skybox/proc/scale_to_view(var/view)
var/matrix/M = matrix()
// Translate to center the icon over us!
M.Translate(-(SKYBOX_PIXELS - WORLD_ICON_SIZE) / 2)
// Scale appropriately based on view size. (7 results in scale of 1)
view = text2num(view) || 7 // Sanitize
M.Scale(((min(MAX_CLIENT_VIEW, view) + SKYBOX_PADDING) * 2 + 1) / SKYBOX_TURFS)
src.transform = M
/client
var/obj/skybox/skybox
/client/proc/update_skybox(rebuild)
if(!skybox)
skybox = new()
skybox.scale_to_view(src.view)
screen += skybox
rebuild = 1
@@ -23,7 +38,7 @@
skybox.cut_overlays()
skybox.add_overlay(SSskybox.get_skybox(T.z))
screen |= skybox
skybox.screen_loc = "CENTER:[-352 + (world.maxx>>1) - T.x],CENTER:[-352 + (world.maxy>>1) - T.y]"
skybox.screen_loc = "CENTER:[(world.maxx>>1) - T.x],CENTER:[(world.maxy>>1) - T.y]"
/mob/Login()
. = ..()
@@ -40,3 +55,13 @@
. = ..()
if(. && client)
client.update_skybox(old_z != get_z(src))
/mob/set_viewsize()
. = ..()
if (. && client)
client.update_skybox()
client.skybox?.scale_to_view(client.view)
#undef SKYBOX_BORDER
#undef SKYBOX_PIXELS
#undef SKYBOX_TURFS