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progressbar refactor (#50316)
This commit is contained in:
Rohesie
+105
-53
@@ -2,81 +2,133 @@
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#define PROGRESSBAR_ANIMATION_TIME 5
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/datum/progressbar
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var/goal = 1
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var/last_progress = 0
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///The progress bar visual element.
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var/image/bar
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var/shown = 0
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///The target where this progress bar is applied and where it is shown.
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var/atom/bar_loc
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///The mob whose client sees the progress bar.
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var/mob/user
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var/client/client
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var/listindex
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///The client seeing the progress bar.
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var/client/user_client
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///Effectively the number of steps the progress bar will need to do before reaching completion.
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var/goal = 1
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///Control check to see if the progress was interrupted before reaching its goal.
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var/last_progress = 0
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///Variable to ensure smooth visual stacking on multiple progress bars.
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var/listindex = 0
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/datum/progressbar/New(mob/User, goal_number, atom/target)
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. = ..()
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if (!istype(target))
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EXCEPTION("Invalid target given")
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if (goal_number)
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goal = goal_number
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bar = image('icons/effects/progessbar.dmi', target, "prog_bar_0", HUD_LAYER)
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if(QDELETED(User) || !istype(User))
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stack_trace("/datum/progressbar created with [isnull(User) ? "null" : "invalid"] user")
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qdel(src)
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return
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if(!isnum(goal_number))
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stack_trace("/datum/progressbar created with [isnull(User) ? "null" : "invalid"] goal_number")
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qdel(src)
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return
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goal = goal_number
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bar_loc = target
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bar = image('icons/effects/progessbar.dmi', bar_loc, "prog_bar_0", HUD_LAYER)
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bar.plane = ABOVE_HUD_PLANE
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bar.appearance_flags = APPEARANCE_UI_IGNORE_ALPHA
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user = User
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if(user)
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client = user.client
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LAZYINITLIST(user.progressbars)
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LAZYINITLIST(user.progressbars[bar.loc])
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var/list/bars = user.progressbars[bar.loc]
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bars.Add(src)
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LAZYADDASSOC(user.progressbars, bar_loc, src)
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var/list/bars = user.progressbars[bar_loc]
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listindex = bars.len
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bar.pixel_y = 0
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bar.alpha = 0
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animate(bar, pixel_y = 32 + (PROGRESSBAR_HEIGHT * (listindex - 1)), alpha = 255, time = PROGRESSBAR_ANIMATION_TIME, easing = SINE_EASING)
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/datum/progressbar/proc/update(progress)
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if (!user || !user.client)
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shown = FALSE
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return
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if (user.client != client)
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if (client)
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client.images -= bar
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if (user.client)
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user.client.images += bar
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if(user.client)
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user_client = user.client
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add_prog_bar_image_to_client()
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progress = clamp(progress, 0, goal)
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last_progress = progress
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bar.icon_state = "prog_bar_[round(((progress / goal) * 100), 5)]"
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if (!shown)
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user.client.images += bar
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shown = TRUE
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RegisterSignal(user, COMSIG_PARENT_QDELETING, .proc/on_user_delete)
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RegisterSignal(user, COMSIG_MOB_LOGOUT, .proc/clean_user_client)
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RegisterSignal(user, COMSIG_MOB_LOGIN, .proc/on_user_login)
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/datum/progressbar/proc/shiftDown()
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--listindex
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bar.pixel_y = 32 + (PROGRESSBAR_HEIGHT * (listindex - 1))
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var/dist_to_travel = 32 + (PROGRESSBAR_HEIGHT * (listindex - 1)) - PROGRESSBAR_HEIGHT
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animate(bar, pixel_y = dist_to_travel, time = PROGRESSBAR_ANIMATION_TIME, easing = SINE_EASING)
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/datum/progressbar/Destroy()
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if(user)
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for(var/pb in user.progressbars[bar_loc])
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var/datum/progressbar/progress_bar = pb
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if(progress_bar == src || progress_bar.listindex <= listindex)
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continue
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progress_bar.listindex--
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progress_bar.bar.pixel_y = 32 + (PROGRESSBAR_HEIGHT * (progress_bar.listindex - 1))
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var/dist_to_travel = 32 + (PROGRESSBAR_HEIGHT * (progress_bar.listindex - 1)) - PROGRESSBAR_HEIGHT
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animate(progress_bar.bar, pixel_y = dist_to_travel, time = PROGRESSBAR_ANIMATION_TIME, easing = SINE_EASING)
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LAZYREMOVEASSOC(user.progressbars, bar_loc, src)
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user = null
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if(user_client)
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clean_user_client()
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bar_loc = null
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if(bar)
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QDEL_NULL(bar)
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return ..()
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///Called right before the user's Destroy()
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/datum/progressbar/proc/on_user_delete(datum/source)
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user.progressbars = null //We can simply nuke the list and stop worrying about updating other prog bars if the user itself is gone.
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user = null
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qdel(src)
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///Removes the progress bar image from the user_client and nulls the variable, if it exists.
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/datum/progressbar/proc/clean_user_client(datum/source)
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if(!user_client) //Disconnected, already gone.
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return
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user_client.images -= bar
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user_client = null
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///Called by user's Login(), it transfers the progress bar image to the new client.
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/datum/progressbar/proc/on_user_login(datum/source)
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if(user_client)
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if(user_client == user.client) //If this was not client handling I'd condemn this sanity check. But clients are fickle things.
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return
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clean_user_client()
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if(!user.client) //Clients can vanish at any time, the bastards.
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return
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user_client = user.client
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add_prog_bar_image_to_client()
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///Adds a smoothly-appearing progress bar image to the player's screen.
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/datum/progressbar/proc/add_prog_bar_image_to_client()
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bar.pixel_y = 0
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bar.alpha = 0
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user_client.images += bar
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animate(bar, pixel_y = 32 + (PROGRESSBAR_HEIGHT * (listindex - 1)), alpha = 255, time = PROGRESSBAR_ANIMATION_TIME, easing = SINE_EASING)
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///Updates the progress bar image visually.
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/datum/progressbar/proc/update(progress)
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progress = clamp(progress, 0, goal)
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if(progress == last_progress)
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return
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last_progress = progress
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bar.icon_state = "prog_bar_[round(((progress / goal) * 100), 5)]"
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///Called on progress end, be it successful or a failure. Wraps up things to delete the datum and bar.
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/datum/progressbar/proc/end_progress()
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if(last_progress != goal)
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bar.icon_state = "[bar.icon_state]_fail"
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for(var/I in user.progressbars[bar.loc])
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var/datum/progressbar/P = I
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if(P != src && P.listindex > listindex)
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P.shiftDown()
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var/list/bars = user.progressbars[bar.loc]
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bars.Remove(src)
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if(!bars.len)
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LAZYREMOVE(user.progressbars, bar.loc)
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animate(bar, alpha = 0, time = PROGRESSBAR_ANIMATION_TIME)
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addtimer(CALLBACK(src, .proc/remove_from_client), PROGRESSBAR_ANIMATION_TIME, TIMER_CLIENT_TIME)
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QDEL_IN(bar, PROGRESSBAR_ANIMATION_TIME * 2) //for garbage collection safety
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. = ..()
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/datum/progressbar/proc/remove_from_client()
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if(client)
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client.images -= bar
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client = null
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QDEL_IN(src, PROGRESSBAR_ANIMATION_TIME)
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#undef PROGRESSBAR_ANIMATION_TIME
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#undef PROGRESSBAR_HEIGHT
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