Difference between revisions of "Status bar"

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[unchecked revision][unchecked revision]
(see also: Status bar face hysteresis)
(FRAGS -> FRAG; tweaked listing of status bar sections to look more like the actual status bar; color -> uniform color; deleted some tech. stuff that really belongs in Status_bar_face; gr)
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The '''status bar''' is displayed at the bottom of the screen during gameplay and shows the [[player]]'s status. (At the largest screen size the status bar is not shown, except in [[automap|automap mode]].) The status bar shows:
 
The '''status bar''' is displayed at the bottom of the screen during gameplay and shows the [[player]]'s status. (At the largest screen size the status bar is not shown, except in [[automap|automap mode]].) The status bar shows:
  
−
* Ammo:  The remaining [[ammo]] of the currently selected weapon.
+
* <tt>AMMO</tt>:  The remaining [[ammo]] of the currently selected weapon.
−
* Health: The player's [[health]].  This can range from 0-200%. If it does reach 0% the player dies (unless he is in a sector of [[Damaging floor#Technical information|type 11]]; in such a sector the observant player may also notice a negative number here for a split second).
+
* <tt>HEALTH</tt>: The player's [[health]].  This can range from 0-200%. If it does reach 0% the player dies (unless he is in a sector of [[Damaging floor#Technical information|type 11]]; in such a sector the observant player may also notice a negative number here for a split second).
−
* Arms:  The [[weapons]] currently possessed by the player (excepting the [[super shotgun]]).  These correspond to the keys pressed to activate them.
+
* <tt>ARMS</tt>:  The [[weapons]] currently possessed by the player (excepting the [[super shotgun]]).  These correspond to the keys pressed to activate them.
−
* Face:  The player's [[status bar face|face]]. This gives an immediate indicator of health and also reacts to events such as damage to the player. Specifically, if the player is hurt, the face turns and looks in the direction of the origin of the damage; a new weapon causes the face to grin briefly; and as health falls, the face becomes more beaten and bloodied. If the player has activated [[cheat code|<tt>iddqd</tt>]] or the invulnerability [[cheat code|cheat]], or picks up the [[invulnerability]] powerup, the face has glowing golden eyes.
+
* <tt>FACE</tt>:  The player's [[status bar face|face]]. This gives an immediate indicator of health and also reacts to events such as damage to the player. Specifically, if the player is hurt, the face turns and looks in the direction of the origin of the damage; a new weapon causes the face to grin briefly; and as health falls, the face becomes more beaten and bloodied. If the player has activated [[cheat code|<tt>iddqd</tt>]] or the invulnerability [[cheat code|cheat]], or picks up the [[invulnerability]] powerup, the face has glowing golden eyes.
−
* Armor:  The player's [[armor]] level.  This can range from 0-200% (and, in versions of Doom prior to v1.2, an arbitrarily high number).
+
* <tt>ARMOR</tt>:  The player's [[armor]] level.  This can range from 0-200% (and, in versions of Doom prior to v1.2, an arbitrarily high number).
 
* The [[keys]] possessed by the player.
 
* The [[keys]] possessed by the player.
 
* Remaining and maximum ammo for all four ammunition types ([[bullets]], [[shells]], [[rockets]] and [[cells]]).
 
* Remaining and maximum ammo for all four ammunition types ([[bullets]], [[shells]], [[rockets]] and [[cells]]).
  
−
In [[deathmatch]] mode, the "Arms" display is replaced by a "Frags" display showing the player's current score in the game. Furthermore, the background color of the player face is changed to match the player's color.
+
In [[deathmatch]] mode, the <tt>ARMS</tt> display is replaced by a <tt>FRAG</tt> display showing the player's current score in the game. Furthermore, the background color of the player face is changed to match the player's uniform color.
  
 
[[image:StatusBar.png|Status bar]]
 
[[image:StatusBar.png|Status bar]]
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Beta versions of Doom showed messages to the player and multiplayer chat being performed inside the status bar.  This was moved to the [[Heads-up display]]; however, the Doom source includes leftover variables relating to "status bar chat" and the message display.
 
Beta versions of Doom showed messages to the player and multiplayer chat being performed inside the status bar.  This was moved to the [[Heads-up display]]; however, the Doom source includes leftover variables relating to "status bar chat" and the message display.
  
−
In the [[Doom source code]], ST_* is used as a prefix for files and functions associated with the status bar.  This trend continues in the IWAD file, where graphic resources relating to the status bar begin with ST. The following resources are used for the status bar:
+
In the [[Doom source code]], ST_* is used as a prefix for files and functions associated with the status bar.  This trend continues in the [[IWAD]] file, where graphic resources relating to the status bar begin with ST. The following resources are used for the status bar:
  
−
; STBAR:        The main status bar graphic
+
; STBAR:        The main status bar graphic.
−
; STGNUM0-9:    Small grey numbers used for weapons not yet possessed
+
; STGNUM0-9:    Small grey numbers used for weapons not yet possessed.
−
; STTNUM0-9:    Large numbers, used for Health, Armor, Frags, Ammo displays
+
; STTNUM0-9:    Large numbers, used for <tt>HEALTH</tt>, <tt>ARMOR</tt>, <tt>FRAGS</tt>, and <tt>AMMO</tt> displays.
−
; STTMINUS-9:  Negative symbol for large text
+
; STTMINUS-9:  Negative symbol for large text.
−
; STTPRCNT:    Percent symbol for large text
+
; STTPRCNT:    Percent symbol for large text.
−
; STYSNUM0-9:  Small yellow numbers to indicate weapons possessed (also used for total ammo display)
+
; STYSNUM0-9:  Small yellow numbers to indicate weapons possessed (also used for total ammo display).
−
; STKEYS0-5:    Icons used for the key display
+
; STKEYS0-5:    Icons used for the key display.
−
; STDISK:      Floppy disk graphic used when accessing the disk
+
; STDISK:      Floppy disk graphic used when accessing the disk.
−
; STCDROM:      CD-ROM graphic used when accessing a CD-ROM
+
; STCDROM:      CD-ROM graphic used when accessing a CD-ROM.
 
; STARMS:      The STBAR graphic includes a "Frags" box.  This graphic overwrites it with the "Arms" box when not in deathmatch.  Early versions of Doom (pre 1.2) did not include this graphic, as the status bar did not include a "frags" display.
 
; STARMS:      The STBAR graphic includes a "Frags" box.  This graphic overwrites it with the "Arms" box when not in deathmatch.  Early versions of Doom (pre 1.2) did not include this graphic, as the status bar did not include a "frags" display.
−
; STFB*:        Used as backgrounds for the player face when in multiplayer.
+
; STFB*:        Used as backgrounds for the player face in multiplayer mode.
−
; STF*:        Player face graphics.  The sprite names take the form STF[type][health][frame], where the text [type] represents one of several conditions currently being experienced by the player, [health] is a digit denoting his approximate current health, and [frame] is an optional extra digit signifying a repeating animation sequence.
+
; STF*:        Player face graphics.
−
 
 
−
: The possible values of [type] are:
 
−
 
 
−
{| {{prettytable}}
 
−
! Face type
 
−
! Condition
 
−
! Frame digits
 
−
|-
 
−
| ST
 
−
| Glancing around warily (default)
 
−
| 0-2
 
−
|-
 
−
| TL
 
−
| Looking to his right (attacked<br>from left side of screen)
 
−
| 0
 
−
|-
 
−
| TR
 
−
| Looking to his left (attacked<br>from right side of screen)
 
−
| 0
 
−
|-
 
−
| KILL
 
−
| Gritting teeth (e.g. holding<br>the trigger down for a while)
 
−
| ''none''
 
−
|-
 
−
| EVL
 
−
| Grinning wickedly (just picked up<br>a new weapon or large powerup)
 
−
| ''none''
 
−
|-
 
−
| OUCH
 
−
| [[Ouch face]] (gains at least 20%<br>health while being injured)
 
−
| ''none''
 
−
|}
 
−
 
 
−
:Additionally, STFGOD0 (unhurt, glowing eyes) appears while an [[invulnerability]] powerup or the <tt>iddqd</tt> [[cheat code]] is in effect.
 
−
 
 
−
:The number [health] can take on the following values:
 
−
 
 
−
{| {{prettytable}}
 
−
! Range (in sprite name)
 
−
! Player health
 
−
! Default face appearance
 
−
|-
 
−
| 0
 
−
| 80% - 100%
 
−
| Completely healthy
 
−
|-
 
−
| 1
 
−
| 60% - 79%
 
−
| Bloody nose,<br>hair slightly mussed
 
−
|-
 
−
| 2
 
−
| 40% - 59%
 
−
| Face swollen,<br>grimacing
 
−
|-
 
−
| 3
 
−
| 20% - 39%
 
−
| Eyes closed, face<br>dirty and bleeding
 
−
|-
 
−
| 4
 
−
| 1% - 19%
 
−
| Similar to "3", but<br>even bloodier
 
−
|}
 
−
 
 
−
The sprite STFDEAD0 (head bowed and bruised, hair completely dishevelled) takes over when the player is killed.
 
  
 
==See also==
 
==See also==
 
* [[Heads-up display]]
 
* [[Heads-up display]]
−
* [[Status bar face hysteresis]]
 
  
 
[[Category:Doom engine]]
 
[[Category:Doom engine]]
 
[[Category:Gameplay]]
 
[[Category:Gameplay]]

Revision as of 10:44, 1 March 2006

The status bar is displayed at the bottom of the screen during gameplay and shows the player's status. (At the largest screen size the status bar is not shown, except in automap mode.) The status bar shows:

  • AMMO: The remaining ammo of the currently selected weapon.
  • HEALTH: The player's health. This can range from 0-200%. If it does reach 0% the player dies (unless he is in a sector of type 11; in such a sector the observant player may also notice a negative number here for a split second).
  • ARMS: The weapons currently possessed by the player (excepting the super shotgun). These correspond to the keys pressed to activate them.
  • FACE: The player's face. This gives an immediate indicator of health and also reacts to events such as damage to the player. Specifically, if the player is hurt, the face turns and looks in the direction of the origin of the damage; a new weapon causes the face to grin briefly; and as health falls, the face becomes more beaten and bloodied. If the player has activated iddqd or the invulnerability cheat, or picks up the invulnerability powerup, the face has glowing golden eyes.
  • ARMOR: The player's armor level. This can range from 0-200% (and, in versions of Doom prior to v1.2, an arbitrarily high number).
  • The keys possessed by the player.
  • Remaining and maximum ammo for all four ammunition types (bullets, shells, rockets and cells).

In deathmatch mode, the ARMS display is replaced by a FRAG display showing the player's current score in the game. Furthermore, the background color of the player face is changed to match the player's uniform color.

Status bar

Technical

The status bar code in the Doom source code is responsible not only for drawing the status bar, but also performs the palette special effects when injured or picking up items, and detects the entry of cheat codes.

Beta versions of Doom showed messages to the player and multiplayer chat being performed inside the status bar. This was moved to the Heads-up display; however, the Doom source includes leftover variables relating to "status bar chat" and the message display.

In the Doom source code, ST_* is used as a prefix for files and functions associated with the status bar. This trend continues in the IWAD file, where graphic resources relating to the status bar begin with ST. The following resources are used for the status bar:

STBAR
The main status bar graphic.
STGNUM0-9
Small grey numbers used for weapons not yet possessed.
STTNUM0-9
Large numbers, used for HEALTH, ARMOR, FRAGS, and AMMO displays.
STTMINUS-9
Negative symbol for large text.
STTPRCNT
Percent symbol for large text.
STYSNUM0-9
Small yellow numbers to indicate weapons possessed (also used for total ammo display).
STKEYS0-5
Icons used for the key display.
STDISK
Floppy disk graphic used when accessing the disk.
STCDROM
CD-ROM graphic used when accessing a CD-ROM.
STARMS
The STBAR graphic includes a "Frags" box. This graphic overwrites it with the "Arms" box when not in deathmatch. Early versions of Doom (pre 1.2) did not include this graphic, as the status bar did not include a "frags" display.
STFB*
Used as backgrounds for the player face in multiplayer mode.
STF*
Player face graphics.

See also

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