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>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<
> <
> BOOM reference v1.3 4/12/98 <
> <
>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<
======================================================================
Part I Linedef Types
======================================================================
#######################
Section 0. Terminology
#######################
In BOOM actions are caused to happen in the game thru linedef types.
BOOM has three kinds of linedef types:
Regular - the linedef types that were already in DOOM II v1.9
Extended - linedef types not in DOOM II v1.9 but less than 8192
in value
Generalized - linedef types over 8192 in value that contain bit
fields that independently control the actions of the sector
affected.
A linedef with non-zero linedef type is called a linedef trigger. A
linedef trigger is always activated in one of three ways - pushing on
the first sidedef of the linedef, walking over the linedef, or
shooting the linedef with an impact weapon (fists, chainsaw, pistol,
shotgun, double barreled, or chaingun).
Linedefs activated by pushing on them come in two varieties. A manual
linedef affects the sector on the second sidedef of the line pushed.
A switched linedef affects all sectors that have the same tag field
as the linedef that was pushed.
Nearly all switched, walkover, and gun linedefs operate on the sectors
with the same tag as that in the tag field of the linedef.
Some linedefs are never activated per se, but simply create or control
an effect thru their existence and properties, usually affecting the
sectors sharing the linedef's tags. There are also a few special case
like line-line teleporters and exit linedefs that do not affect
sectors.
Some linedefs are only triggerable once, others are triggerable as
many times as you like.
Triggering types are denoted by the letters P, S, W, and G for
manual(push), switched, walkover, and gun. Their retriggerability is
denoted by a 1 or R following the letter. So the triggering types for
linedefs are:
P1 PR S1 SR W1 WR G1 GR
Often linedef actions depend on values in neighboring sectors. A
neighboring sector is one that shares a linedef in common, just
sharing a vertex is not sufficient.
In DOOM only one action on a sector could occur at a time. BOOM
supports one floor action, one ceiling action, and one lighting
action simultaneously.
################
Section 1. Doors
################
A door is a sector, usually placed between two rooms, whose ceiling
raises to open, and lowers to close.
A door is fully closed when its ceiling height is equal to its floor
height.
A door is fully open when its ceiling height is 4 less than the lowest
neighbor ceiling adjacent to it.
A door may be set to an intermediate state initially, or thru the action
of a linedef trigger that affects ceilings or floors. The door is passable
to a player when its ceiling is at least 56 units higher than its floor.
In general the door is passable to a monster or a thing when its ceiling
is at least the monster or thing's height above the floor.
If a door has a ceiling height ABOVE the fully open height, then an
open door action moves the ceiling to the fully open height
instantly.
If a door has a ceiling height BELOW the fully closed height (that is
the ceiling of the door sector is lower than the floor of the door
sector) a close door action moves the ceiling to the fully closed
height instantly.
--------------------------
Section 1.1 Door functions
--------------------------
Open, Wait, Then Close
On activation, door opens fully, waits a specified period, then
closes fully.
Open and Stay Open
On activation, door opens fully and remains there.
Close and Stay Closed
On activation, door closes fully, and remains there.
Close, Wait, Then Open
On activation, door closes fully, waits a specified period, then
opens fully.
------------------------------
Section 1.2 Varieties of doors
------------------------------
A door can be triggered by pushing on it, walking over or pressing a
linedef trigger tagged to it, or shooting a linedef tagged to it.
These are called manual, walkover, switched, or gun doors resp.
Since a push door (P1/PR) has no use for its tag, BOOM has extended
the functionality to include changing any tagged sectors to maximum
neighbor lighting on fully opening, then to minimum neighbor lighting
on fully closing. This is true for regular, extended, and generalized
doors with push triggers.
A door trigger can be locked. This means that the door function will only
operate if the player is in possession of the right key(s). Regular
and extended door triggers only care if the player has a key of the
right color, they do not care which. Generalized door triggers
can distinguish between skull and card keys, and can also require
any key, or all keys in order to activate.
A door can have different speeds, slow, normal, fast or turbo.
A door can wait for different amounts of time.
A door may or may not be activatable by monsters.
Any door function except Close and Stay Closed, when closing and
encountering a monster or player's head will bounce harmlessly off
that head and return to fully open. A Close and Stay Closed will rest
on the head until it leaves the door sector.
------------------------------
Section 1.3 Door linedef types
------------------------------
Regular and Extended Door Types
---------------------------------------------------------------
# Class Trig Lock Speed Wait Monst Function
1 Reg PR No Slow 4s Yes Open, Wait, Then Close
117 Reg PR No Fast 4s No Open, Wait, Then Close
63 Reg SR No Slow 4s No Open, Wait, Then Close
114 Reg SR No Fast 4s No Open, Wait, Then Close
29 Reg S1 No Slow 4s No Open, Wait, Then Close
111 Reg S1 No Fast 4s No Open, Wait, Then Close
90 Reg WR No Slow 4s No Open, Wait, Then Close
105 Reg WR No Fast 4s No Open, Wait, Then Close
4 Reg W1 No Slow 4s No Open, Wait, Then Close
108 Reg W1 No Fast 4s No Open, Wait, Then Close
31 Reg P1 No Slow -- No Open and Stay Open
118 Reg P1 No Fast -- No Open and Stay Open
61 Reg SR No Slow -- No Open and Stay Open
115 Reg SR No Fast -- No Open and Stay Open
103 Reg S1 No Slow -- No Open and Stay Open
112 Reg S1 No Fast -- No Open and Stay Open
86 Reg WR No Slow -- No Open and Stay Open
106 Reg WR No Fast -- No Open and Stay Open
2 Reg W1 No Slow -- No Open and Stay Open
109 Reg W1 No Fast -- No Open and Stay Open
46 Reg GR No Slow -- No Open and Stay Open
42 Reg SR No Slow -- No Close and Stay Closed
116 Reg SR No Fast -- No Close and Stay Closed
50 Reg S1 No Slow -- No Close and Stay Closed
113 Reg S1 No Fast -- No Close and Stay Closed
75 Reg WR No Slow -- No Close and Stay Closed
107 Reg WR No Fast -- No Close and Stay Closed
3 Reg W1 No Slow -- No Close and Stay Closed
110 Reg W1 No Fast -- No Close and Stay Closed
196 Ext SR No Slow 30s No Close, Wait, Then Open
175 Ext S1 No Slow 30s No Close, Wait, Then Open
76 Reg WR No Slow 30s No Close, Wait, Then Open
16 Reg W1 No Slow 30s No Close, Wait, Then Open
Regular and Extended Locked Door Types
---------------------------------------------------------------
# Class Trig Lock Speed Wait Monst Function
26 Reg PR Blue Slow 4s No Open, Wait, Then Close
28 Reg PR Red Slow 4s No Open, Wait, Then Close
27 Reg PR Yell Slow 4s No Open, Wait, Then Close
32 Reg P1 Blue Slow -- No Open and Stay Open
33 Reg P1 Red Slow -- No Open and Stay Open
34 Reg P1 Yell Slow -- No Open and Stay Open
99 Reg SR Blue Fast -- No Open and Stay Open
134 Reg SR Red Fast -- No Open and Stay Open
136 Reg SR Yell Fast -- No Open and Stay Open
133 Reg S1 Blue Fast -- No Open and Stay Open
135 Reg S1 Red Fast -- No Open and Stay Open
137 Reg S1 Yell Fast -- No Open and Stay Open
There are two generalized door linedef types, Generalized Door, and
Generalized Locked Door. The following tables show the possibilities
for each parameter, any combination of parameters is allowed:
Slow and Fast represent the same speeds as slow and fast regular doors. Normal
is twice as fast as slow, Fast is twice normal, Turbo is twice Fast.
Generalized Door Types
---------------------------------------------------------------
# Class Trig Lock Speed Wait Monst Function
3C00H- Gen P1/PR No Slow 1s Yes Open, Wait, Then Close
4000H S1/SR Normal 4s No Open and Stay Open
W1/WR Fast 9s Close and Stay Closed
G1/GR Turbo 30s Close, Wait, Then Open
Generalized Locked Door Types
---------------------------------------------------------------
# Class Trig Lock Speed Wait Monst Function
3800H- Gen P1/PR Any Slow 1s No Open, Wait, Then Close
3C00H S1/SR Blue Normal 4s Open and Stay Open
W1/WR Red Fast 9s Close and Stay Closed
G1/GR Yell Turbo 30s Close, Wait, Then Open
BlueC
RedC
YellC
BlueS
RedS
YellS
All3
All6
#################
Section 2. Floors
#################
----------------------------
Section 2.1 Floor targets
----------------------------
Lowest Neighbor Floor (LnF)
This means that the floor moves to the height of the lowest
neighboring floor including the floor itself. If the floor
direction is up (only possible with generalized floors) motion is
instant, else at the floor's speed.
Next Neighbor Floor (NnF)
This means that the floor moves up to the height of the lowest
adjacent floor greater in height than the current, or down to the
height of the highest adjacent floor less in height than the current,
as determined by the floor's direction. Instant motion is not
possible in this case. If no such floor exists, the floor does not move.
Lowest Neighbor Ceiling (LnC)
This means that the floor height changes to the height of the lowest
ceiling possessed by any neighboring sector, including that floor's
ceiling. If the target height is in the opposite direction to floor
motion, motion is instant, otherwise at the floor action's speed.
8 Under Lowest Neighbor Ceiling (8uLnC)
This means that the floor height changes to 8 less than the height
of the lowest ceiling possessed by any neighboring sector, including
that floor's ceiling. If the target height is in the opposite
direction to floor motion, motion is instant, otherwise at the floor
action's speed.
Highest Neighbor Floor (HnF)
This means that the floor height changes to the height of the highest
neighboring floor, excluding the floor itself. If no neighbor floor
exists, the floor moves down to -32000. If the target height is in
the opposite direction to floor motion, the motion is instant,
otherwise it occurs at the floor action's speed.
8 Above Highest Neighbor Floor (8aHnF)
This means that the floor height changes to 8 above the height of
the highest neighboring floor, excluding the floor itself. If no
neighbor floor exists, the floor moves down to -31992. If the target
height is in the opposite direction to floor motion, the motion is
instant, otherwise it occurs at the floor action's speed.
Ceiling
The floor moves up until its at ceiling height, instantly if floor
direction is down (only available with generalized types), at the
floor speed if the direction is up.
24 Units (24)
The floor moves 24 units in the floor action's direction. Instant
motion is not possible with this linedef type.
32 Units (32)
The floor moves 32 units in the floor action's direction. Instant
motion is not possible with this linedef type.
512 Units (512)
The floor moves 512 units in the floor action's direction. Instant
motion is not possible with this linedef type.
Shortest Lower Texture (SLT)
The floor moves the height of the shortest lower texture on the
boundary of the sector, in the floor direction. Instant motion is not
possible with this type. In the case that there is no surrounding
texture the motion is to -32000 or +32000 depending on direction.
None
Some pure texture type changes are provided for changing the floor
texture and/or sector type without moving the floor.
--------------------------------
Section 2.2 Varieties of floors
--------------------------------
A floor can be activated by pushing on a linedef bounding it
(generalized types only), or by pushing on a switch with the same tag
as the floor sector, or by walking over a linedef with the same tag
as the floor, or by shooting a linedef with the same tag as the
floor with an impact weapon.
A floor can move either Up or Down.
A floor can move with speeds of Slow, Normal, Fast, or Turbo. If the
target height specified by the floor function (see Floor Targets
above) is in the opposite direction to the floor's motion, then
travel is instantaneous, otherwise its at the speed specified.
A floor action can be a texture change type, in which case after the
action the floor texture of the affected floor, and possibly the
sector type of the affected floor are changed to those of a model
sector. The sector type may be zeroed instead of copied from the
model, or not changed at all. These change types are referred to
below as Tx (texture only), Tx0 (type zeroed), and TxTy (texture and
type changed). The model sector for the change may be the sector on
the first sidedef of the trigger (trigger model) or the sector with
floor at destination height across the lowest numbered two-sided
linedef surrounding the affected sector (numeric model). If no model
sector exists, no change occurs. If a change occurs, floor texture is
always affected, lighting is never affected, even that corresponding
to the sector's type, nor is any other sector property other than the
sector's type.
Numeric model algorithm:
1) Find all floors adjacent to the tagged floor at destination height
2) Find the lowest numbered linedef separating those floors from that tagged
3) The sector on the other side of that linedef is the model
A floor action can have the crush property, in which case players and
monsters are crushed when the floor tries to move above the point
where they fit exactly underneath the ceiling. This means they take
damage until they die, leave the sector, or the floor action is stopped.
A floor action never reverses on encountering an obstacle, even if
the crush property is not true, the floor merely remains in the same
position until the obstacle is removed or dies, then continues.
-------------------------------
Section 2.3 Floor linedef types
-------------------------------
Regular and Extended Floor Types
-------------------------------------------------------------------
# Class Trig Dir Spd Chg Mdl Mon Crsh Target
60 Reg SR Dn Slow None -- No No Lowest Neighbor Floor
23 Reg S1 Dn Slow None -- No No Lowest Neighbor Floor
82 Reg WR Dn Slow None -- No No Lowest Neighbor Floor
38 Reg W1 Dn Slow None -- No No Lowest Neighbor Floor
177 Ext SR Dn Slow TxTy Num No No Lowest Neighbor Floor
159 Ext S1 Dn Slow TxTy Num No No Lowest Neighbor Floor
84 Reg WR Dn Slow TxTy Num No No Lowest Neighbor Floor
37 Reg W1 Dn Slow TxTy Num No No Lowest Neighbor Floor
69 Reg SR Up Slow None -- No No Next Neighbor Floor
18 Reg S1 Up Slow None -- No No Next Neighbor Floor
128 Reg WR Up Slow None -- No No Next Neighbor Floor
119 Reg W1 Up Slow None -- No No Next Neighbor Floor
132 Reg SR Up Fast None -- No No Next Neighbor Floor
131 Reg S1 Up Fast None -- No No Next Neighbor Floor
129 Reg WR Up Fast None -- No No Next Neighbor Floor
130 Reg W1 Up Fast None -- No No Next Neighbor Floor
222 Ext SR Dn Slow None -- No No Next Neighbor Floor
221 Ext S1 Dn Slow None -- No No Next Neighbor Floor
220 Ext WR Dn Slow None -- No No Next Neighbor Floor
219 Ext W1 Dn Slow None -- No No Next Neighbor Floor
64 Reg SR Up Slow None -- No No Lowest Neighbor Ceiling
101 Reg S1 Up Slow None -- No No Lowest Neighbor Ceiling
91 Reg WR Up Slow None -- No No Lowest Neighbor Ceiling
5 Reg W1 Up Slow None -- No No Lowest Neighbor Ceiling
24 Reg G1 Up Slow None -- No No Lowest Neighbor Ceiling
65 Reg SR Up Slow None -- No Yes Lowest Neighbor Ceiling - 8
55 Reg S1 Up Slow None -- No Yes Lowest Neighbor Ceiling - 8
94 Reg WR Up Slow None -- No Yes Lowest Neighbor Ceiling - 8
56 Reg W1 Up Slow None -- No Yes Lowest Neighbor Ceiling - 8
45 Reg SR Dn Slow None -- No No Highest Neighbor Floor
102 Reg S1 Dn Slow None -- No No Highest Neighbor Floor
83 Reg WR Dn Slow None -- No No Highest Neighbor Floor
19 Reg W1 Dn Slow None -- No No Highest Neighbor Floor
70 Reg SR Dn Fast None -- No No Highest Neighbor Floor + 8
71 Reg S1 Dn Fast None -- No No Highest Neighbor Floor + 8
98 Reg WR Dn Fast None -- No No Highest Neighbor Floor + 8
36 Reg W1 Dn Fast None -- No No Highest Neighbor Floor + 8
180 Ext SR Up Slow None -- No No Absolute 24
161 Ext S1 Up Slow None -- No No Absolute 24
92 Reg WR Up Slow None -- No No Absolute 24
58 Reg W1 Up Slow None -- No No Absolute 24
179 Ext SR Up Slow TxTy Trg No No Absolute 24
160 Ext S1 Up Slow TxTy Trg No No Absolute 24
93 Reg WR Up Slow TxTy Trg No No Absolute 24
59 Reg W1 Up Slow TxTy Trg No No Absolute 24
176 Ext SR Up Slow None -- No No Abs Shortest Lower Texture
158 Ext S1 Up Slow None -- No No Abs Shortest Lower Texture
96 Reg WR Up Slow None -- No No Abs Shortest Lower Texture
30 Reg W1 Up Slow None -- No No Abs Shortest Lower Texture
178 Ext SR Up Slow None -- No No Absolute 512
140 Reg S1 Up Slow None -- No No Absolute 512
147 Ext WR Up Slow None -- No No Absolute 512
142 Ext W1 Up Slow None -- No No Absolute 512
190 Ext SR -- ---- TxTy Trg No No None
189 Ext S1 -- ---- TxTy Trg No No None
154 Ext WR -- ---- TxTy Trg No No None
153 Ext W1 -- ---- TxTy Trg No No None
78 Ext SR -- ---- TxTy Num No No None
241 Ext S1 -- ---- TxTy Num No No None
240 Ext WR -- ---- TxTy Num No No None
239 Ext W1 -- ---- TxTy Num No No None
The following tables show the possibilities for generalized floor
linedef type parameters. Any combination of parameters is allowed:
Slow and Fast represent the same speeds as slow and fast regular
floors. Normal is twice as fast as slow, Fast is twice normal, Turbo
is twice Fast.
Generalized Floor Types
---------------------------------------------------------------------------
# Class Trig Dir Spd *Chg *Mdl Mon Crsh Target
6000H- Gen P1/PR Up Slow None Trg Yes Yes Lowest Neighbor Floor
7FFFH S1/SR Dn Normal Tx Num No No Next Neighbor Floor
W1/WR Fast Tx0 Lowest Neighbor Ceiling
G1/GR Turbo TxTy Highest Neighbor Floor
Ceiling
24
32
*Mon(ster) enabled must be No if Shortest Lower Texture
Chg field is not None
Tx = Texture copied only Trg = Trigger Model
Tx0 = Texture copied and Type->0 Num = Numeric Model
TxTy = Texture and Type copied
####################
Section 3. Ceilings
####################
----------------------------
Section 3.1 Ceiling Targets
----------------------------
Highest Neighbor Ceiling (HnC)
This means that the ceiling moves to the height of the highest
neighboring ceiling NOT including the ceiling itself. If the ceiling
direction is down (only possible with generalized ceilings) motion is
instant, else at the ceiling's speed. If no adjacent ceiling exists
the ceiling moves to -32000 units.
Next Neighbor Ceiling (NnC)
This means that the ceiling moves up to the height of the lowest
adjacent ceiling greater in height than the current, or to the
height of the highest adjacent ceiling less in height than the current,
as determined by the ceiling's direction. Instant motion is not
possible in this case. If no such ceiling exists, the ceiling does
not move.
Lowest Neighbor Ceiling (LnC)
This means that the ceiling height changes to the height of the lowest
ceiling possessed by any neighboring sector, NOT including itself.
If the target height is in the opposite direction to ceiling
motion, motion is instant, otherwise at the ceiling action's speed.
If no adjacent ceiling exists the ceiling moves to 32000 units.
Highest Neighbor Floor (HnF)
This means that the ceiling height changes to the height of the
highest neighboring floor, excluding the ceiling's floor itself. If
no neighbor floor exists, the ceiling moves down to -32000 or the
ceiling's floor, whichever is higher. If the target height is in the
opposite direction to ceiling motion, the motion is instant,
otherwise it occurs at the ceiling action's speed.
Floor
The ceiling moves down until its at floor height, instantly if
ceiling direction is up (only available with generalized types), at
the ceiling speed if the direction is down.
8 Above Floor (8aF)
This means that the ceiling height changes to 8 above the height of
the ceiling's floor. If the target height is in the opposite direction
to ceiling motion, the motion is instant, otherwise it occurs at the
ceiling action's speed.
24 Units (24)
The ceiling moves 24 units in the ceiling action's direction. Instant
motion is not possible with this linedef type.
32 Units (32)
The ceiling moves 32 units in the ceiling action's direction. Instant
motion is not possible with this linedef type.
Shortest Upper Texture (SUT)
The ceiling moves the height of the shortest upper texture on the
boundary of the sector, in the ceiling direction. Instant motion is not
possible with this type. In the case that there is no surrounding
texture the motion is to -32000 or +32000 depending on direction.
----------------------------------
Section 3.2 Varieties of ceilings
----------------------------------
A ceiling can be activated by pushing on a linedef bounding it
(generalized types only), or by pushing on a switch with the same tag
as the ceiling sector, or by walking over a linedef with the same tag
as the ceiling, or by shooting a linedef with the same tag as the
ceiling with an impact weapon (generalized types only).
A ceiling can move either Up or Down.
A ceiling can move with speeds of Slow, Normal, Fast, or Turbo. If the
target height specified by the ceiling function (see Ceiling Targets
above) is in the opposite direction to the ceiling's motion, then
travel is instantaneous, otherwise its at the speed specified.
A ceiling action can be a texture change type, in which case after
the action the ceiling texture of the affected ceiling, and possibly
the sector type of the affected ceiling are changed to those of a
model sector. The sector type may be zeroed instead of copied from
the model, or not changed at all. These change types are referred to
below as Tx (texture only), Tx0 (type set to 0), and TxTy (texture
and type copied from model). The model sector for the change may be
the sector on the first sidedef of the trigger (trigger model) or the
sector with ceiling at destination height across the lowest numbered
two-sided linedef surrounding the affected sector (numeric model). If
no model sector exists, no change occurs. If a change occurs, ceiling
texture is always affected, lighting is never affected, even that
corresponding to the sector's type, nor is any other sector property
other than the sector's type.
Numeric model algorithm:
1) Find all ceilings adjacent to the tagged ceiling at destination height
2) Find the lowest numbered linedef separating those ceilings from that tagged
3) The sector on the other side of that linedef is the model
A ceiling action can have the crush property (generalized types only),
in which case players and monsters are crushed when the ceiling tries
to move below the point where they fit exactly underneath the
ceiling. This means they take damage until they die, leave the
sector, or the ceiling action is stopped. A ceiling action never
reverses on encountering an obstacle, even if the crush property is
not true, the ceiling merely remains in the same position until the
obstacle is removed or dies, then continues.
---------------------------------
Section 3.3 Ceiling linedef types
---------------------------------
Regular and Extended Ceiling Types
-------------------------------------------------------------------
# Class Trig Dir Spd *Chg *Mdl Mon Crsh Target
43 Reg SR Dn Fast None -- No No Floor
41 Reg S1 Dn Fast None -- No No Floor
152 Ext WR Dn Fast None -- No No Floor
145 Ext W1 Dn Fast None -- No No Floor
186 Ext SR Up Slow None -- No No Highest Neighbor Ceiling
166 Ext S1 Up Slow None -- No No Highest Neighbor Ceiling
151 Ext WR Up Slow None -- No No Highest Neighbor Ceiling
40 Reg W1 Up Slow None -- No No Highest Neighbor Ceiling
187 Ext SR Dn Slow None -- No No 8 Above Floor
167 Ext S1 Dn Slow None -- No No 8 Above Floor
72 Reg WR Dn Slow None -- No No 8 Above Floor
44 Reg W1 Dn Slow None -- No No 8 Above Floor
205 Ext SR Dn Slow None -- No No Lowest Neighbor Ceiling
203 Ext S1 Dn Slow None -- No No Lowest Neighbor Ceiling
201 Ext WR Dn Slow None -- No No Lowest Neighbor Ceiling
199 Ext W1 Dn Slow None -- No No Lowest Neighbor Ceiling
206 Ext SR Dn Slow None -- No No Highest Neighbor Floor
204 Ext S1 Dn Slow None -- No No Highest Neighbor Floor
202 Ext WR Dn Slow None -- No No Highest Neighbor Floor
200 Ext W1 Dn Slow None -- No No Highest Neighbor Floor
Generalized Ceiling Types
---------------------------------------------------------------------------
# Class Trig Dir Spd *Chg *Mdl Mon Crsh Target
4000H- Gen P1/PR Up Slow None Trg Yes Yes Highest Neighbor Ceiling
5FFFH S1/SR Dn Normal Tx Num No No Next Neighbor Ceiling
W1/WR Fast Tx0 Lowest Neighbor Ceiling
G1/GR Turbo TxTy Highest Neighbor Floor
Floor
24
32
*Mon(ster) enabled must be No if Shortest Upper Texture
Chg field is not None
Tx = Texture copied only Trg = Trigger Model
Tx0 = Texture copied and Type->0 Num = Numeric Model
TxTy = Texture and Type copied
############################
Section 4. Platforms (Lifts)
############################
A platform is basically a floor action involving two heights. The
simple raise platform actions, for example, differ from the
corresponding floor actions in that if they encounter an obstacle,
they reverse direction and return to their former height.
The most often used kind of platform is a lift which travels from its
current height to the target height, then waits a specified time and
returns to it former height.
-----------------------------
Section 4.1 Platform Targets
-----------------------------
Lowest Neighbor Floor
This means that the platforms "low" height is the height of the
lowest surrounding floor, including the platform itself. The "high"
height is the original height of the floor.
Next Lowest Neighbor Floor
This means that the platforms "low" height is the height of the
highest surrounding floor lower than the floor itself. If no lower
floor exists, no motion occurs as the "low" and "high" heights are
then both equal to the floors current height.
Lowest Neighbor Ceiling
This means that the platforms "low" height is the height of the
lowest surrounding ceiling unless this is higher than the floor
itself. If no adjacent ceiling exists, or is higher than the floor no
motion occurs as the "low" and "high" heights are then both equal to
the floors current height.
Lowest and Highest Floor
This target sets the "low" height to the lowest neighboring floor,
including the floor itself, and the "high" height to the highest
neighboring floor, including the floor itself. When this target is
used the floor moves perpetually between the two heights. Once
triggered this type of linedef runs permanently, even if the motion
is temporarily suspended with a Stop type. No other floor action can
be commanded on the sector after this type is begun.
Ceiling
This target sets the "high" height to the ceiling of the sector and
the "low" height to the floor height of the sector and is only used in
the instant toggle type that switches the floor between the ceiling
and its original height on each activation. This is also the ONLY
instant platform type.
Raise Next Floor
This means that the "high" height is the lowest surrounding floor
higher than the platform. If no higher adjacent floor exists no
motion will occur.
Raise 24 Units
The "low" height is the original floor height, the "high" height is 24
more.
Raise 32 Units
The "low" height is the original floor height, the "high" height is 32
more.
-----------------------------------
Section 4.2 Varieties of Platforms
-----------------------------------
A platform can be activated by pushing on a linedef bounding it
(generalized types only), or by pushing on a switch with the same tag
as the platform sector, or by walking over a linedef with the same tag
as the platform, or by shooting a linedef with the same tag as the
platform with an impact weapon.
A platform can move with speeds of Slow, Normal, Fast, or Turbo.
Only the instant toggle platform moves instantly, all others move at
the platform's speed.
A platform can have a delay, in between when it reaches "high" height
and returns to "low" height, or at both ends of the motion in the
case of perpetual lifts.
A platform action can be a texture change type, in which case after
the action the floor texture of the affected floor, and possibly the
sector type of the affected floor are changed to those of a model
sector. The sector type may be zeroed instead of copied from the
model, or not changed at all. These change types are referred to
below as Tx (texture only), Tx0 (type zeroed), and TxTy (texture and
type changed). The model sector for the change is always the sector
on the first sidedef of the trigger (trigger model). If a change
occurs, floor texture is always affected, lighting is never affected,
even that corresponding to the sector's type, nor is any other sector
property other than the sector's type.
-----------------------------------
Section 4.3 Platform Linedef types
-----------------------------------
Regular and Extended Platform Types
-------------------------------------------------------------------
# Class Trig Dly Spd Chg Mdl Mon Target
66 Reg SR -- Slow Tx Trg No Raise 24 Units
15 Reg S1 -- Slow Tx Trg No Raise 24 Units
148 Ext WR -- Slow Tx Trg No Raise 24 Units
143 Ext W1 -- Slow Tx Trg No Raise 24 Units
67 Reg SR -- Slow Tx0 Trg No Raise 32 Units
14 Reg S1 -- Slow Tx0 Trg No Raise 32 Units
149 Ext WR -- Slow Tx0 Trg No Raise 32 Units
144 Ext W1 -- Slow Tx0 Trg No Raise 32 Units
68 Reg SR -- Slow Tx0 Trg No Raise Next Floor
20 Reg S1 -- Slow Tx0 Trg No Raise Next Floor
95 Reg WR -- Slow Tx0 Trg No Raise Next Floor
22 Reg W1 -- Slow Tx0 Trg No Raise Next Floor
47 Reg G1 -- Slow Tx0 Trg No Raise Next Floor
181 Ext SR 3s Slow None -- No Lowest and Highest Floor (perpetual)
162 Ext S1 3s Slow None -- No Lowest and Highest Floor (perpetual)
87 Reg WR 3s Slow None -- No Lowest and Highest Floor (perpetual)
53 Reg W1 3s Slow None -- No Lowest and Highest Floor (perpetual)
182 Ext SR -- ---- ---- -- -- Stop
163 Ext S1 -- ---- ---- -- -- Stop
89 Reg WR -- ---- ---- -- -- Stop
54 Reg W1 -- ---- ---- -- -- Stop
62 Reg SR 3s Slow None -- No Lowest Neighbor Floor (lift)
21 Reg S1 3s Slow None -- No Lowest Neighbor Floor (lift)
88 Reg WR 3s Slow None -- No Lowest Neighbor Floor (lift)
10 Reg W1 3s Slow None -- No Lowest Neighbor Floor (lift)
123 Reg SR 3s Fast None -- No Lowest Neighbor Floor (lift)
122 Reg S1 3s Fast None -- No Lowest Neighbor Floor (lift)
120 Reg WR 3s Fast None -- No Lowest Neighbor Floor (lift)
121 Reg W1 3s Fast None -- No Lowest Neighbor Floor (lift)
211 Ext SR -- Inst None -- No Ceiling (toggle)
212 Ext WR -- Inst None -- No Ceiling (toggle)
Generalized Lift Types
---------------------------------------------------------------------------
# Class Trig Dly Spd Mon Target
3400H- Gen P1/PR 1s Slow Yes Lowest Neighbor Floor
37FFH S1/SR 3s Normal No Next Lowest Neighbor Floor
W1/WR 5s Fast Lowest Neighbor Ceiling
G1/GR 10s Turbo Lowest and Highest Floor (perpetual)
############################
Section 5. Crusher Ceilings
############################
A crusher ceiling is a linedef type that causes the ceiling to cycle
between its starting height and 8 above the floor, damaging
monsters and players that happen to be in between. Barrels explode
when crushed.
Once a crusher ceiling is started it remains running for the
remainder of the level even if temporarily suspended with a stop type.
No other ceiling action can be used in that sector thereafter.
----------------------------------
Section 5.1 Varieties of Crushers
----------------------------------
A crusher can be activated by pushing on a linedef bounding it
(generalized types only), or by pushing on a switch with the same tag
as the crusher sector, or by walking over a linedef with the same tag
as the crusher, or by shooting a linedef with the same tag as the
crusher with an impact weapon (generalized types only).
A crusher has a speed: slow, normal, fast, or turbo. The slower the
speed, the more damage the crusher does when crushing, simply thru
being applied longer. When a slow or normal crusher is moving down
and encounters something to crush, it slows down even more, by a
factor of 8. This persists until it reaches bottom of stroke and
starts up again. Fast and turbo crushers do not slow down.
A crusher can be silent. The regular silent crusher makes platform
stop and start noises at top and bottom of stroke. The generalized
silent crusher is completely quiet.
A crusher linedef is provided to stop a crusher in its current
position. Care should be used that this doesn't lock the player out
of an area of the wad if the crusher is too low to pass. A crusher
can be restarted, but not changed, with any crusher linedef.
----------------------------------
Section 5.2 Crusher Linedef Types
----------------------------------
Regular and Extended Crusher Types
-------------------------------------------------------------------
# Class Trig Spd Mon Silent Action
184 Ext SR Slow No No Start
49 Reg S1 Slow No No Start
73 Reg WR Slow No No Start
25 Reg W1 Slow No No Start
183 Ext SR Fast No No Start
164 Ext S1 Fast No No Start
77 Reg WR Fast No No Start
6 Reg W1 Fast No No Start
185 Ext SR Slow No Yes Start
165 Ext S1 Slow No Yes Start
150 Ext WR Slow No Yes Start
141 Reg W1 Slow No Yes Start
188 Ext SR ---- -- -- Stop
168 Ext S1 ---- -- -- Stop
74, Reg WR ---- -- -- Stop
57, Reg W1 ---- -- -- Stop
Generalized Crusher Types
---------------------------------------------------------------------------
# Class Trig Spd Mon Silent
2F80H- Gen P1/PR Slow Yes Yes
2FFFH S1/SR Normal No No
W1/WR Fast
G1/GR Turbo
##########################
Section 6. Stair Builders
##########################
A stair builder is a linedef type that sets a sequence of sectors
defined by a complex rule to an ascending or descending sequence of
heights.
The rule for stair building is as follows:
1) The first step to rise or fall is the tagged sector. It rises or
falls by the stair stepsize, at the stair speed.
2) To find the next step (sector) affected examine all two-sided
linedefs with first sidedef facing into the previous step for the one
with lowest linedef number. The sector on the other side of this
linedef is the next step. If no such linedef exists, stair building
ceases.
3) If the next step is already moving, or has already risen as part
of the stair, stair building ceases. Optionally if the floor texture
of the next step is different from the previous step's the stair
building stops. Otherwise the next step moves to the height of the
previous step plus or minus the stepsize depending on the direction
the stairs build, up or down. If the motion is in the same direction
as the stairs build, it occurs at stair build speed, otherwise it is
instant.
4) Repeat from step 2 until stair building ceases.
----------------------------------------
Section 6.1 Varieties of Stair Builders
----------------------------------------
A stair can be activated by pushing on a linedef bounding it
(generalized types only), or by pushing on a switch with the same tag
as the stair sector, or by walking over a linedef with the same tag
as the stair, or by shooting a linedef with the same tag as the
stair with an impact weapon (generalized types only).
Only extended and generalized stair types are retriggerable. The
extended retriggerable stairs are mostly useless, though triggering a
stair with stepsize 8 twice might be used. The generalized
retriggerable stairs alternate building up and down on each
activation which is much more useful.
A stair can build up or down (generalized types only).
A stair can have a step size of 4, 8, 16, or 24. Only generalized
types support stepsize of 4 or 24.
A stair can have build speeds of slow, normal, fast or turbo. Only
generalized types support speeds of normal or turbo.
A stair can stop on encountering a different texture or ignore
(generalized types only) different textures and continue.
Only the regular build fast, stepsize 16 stair has the property that
monsters and players can be crushed by the motion, all others do not
crush.
----------------------------------------------------
Section 6.2 Regular and Extended Stair Builder Types
----------------------------------------------------
Regular and Extended Stairs Types
-------------------------------------------------------------------
# Class Trig Dir Spd Step Ignore Mon
258 Ext SR Up Slow 8 No No
7 Reg S1 Up Slow 8 No No
256 Ext WR Up Slow 8 No No
8 Reg W1 Up Slow 8 No No
259 Ext SR Up Fast 16 No No
127 Reg S1 Up Fast 16 No No
257 Ext WR Up Fast 16 No No
100 Reg W1 Up Fast 16 No No
Generalized Stairs Types
---------------------------------------------------------------------------
# Class Trig Dir Spd Step Ignore Mon
3000H- Gen P1/PR Up Slow 4 Yes Yes
33FFH S1/SR Dn Normal 8 No No
W1/WR Fast 16
G1/GR Turbo 24
####################
Section 7 Elevators
####################
An elevator is a linedef type that moves both floor and ceiling
together. All elevator linedefs are extended, there are no regular or
generalized elevator types. Instant elevator motion is not possible,
and monsters cannot activate elevators. All elevator triggers are
either switched or walkover.
-----------------------------
Section 7.1 Elevator Targets
-----------------------------
Next Highest Floor
The elevator floor moves to the lowest adjacent floor higher than the
elevator's floor, the ceiling staying the same height above the floor.
If there is no higher floor the elevator doesn't move.
Next Lowest Floor
The elevator floor moves to the highest adjacent floor lower than the
current floor, the ceiling staying the same height above the floor. If
there is no lower floor the elevator doesn't move.
Current Floor
The elevator floor moves to the height of the floor on the first
sidedef of the triggering line, the ceiling remaining the same height
above the elevator floor.
-----------------------------------
Section 7.2 Elevator Linedef Types
-----------------------------------
Extended Elevator types
-------------------------------------------------------------------
# Class Trig Spd Target
230 Ext SR Fast Next Highest Floor
229 Ext S1 Fast Next Highest Floor
228 Ext WR Fast Next Highest Floor
227 Ext W1 Fast Next Highest Floor
234 Ext SR Fast Next Lowest Floor
233 Ext S1 Fast Next Lowest Floor
232 Ext WR Fast Next Lowest Floor
231 Ext W1 Fast Next Lowest Floor
238 Ext SR Fast Current Floor
237 Ext S1 Fast Current Floor
236 Ext WR Fast Current Floor
235 Ext W1 Fast Current Floor
###################
Section 7 Lighting
###################
The lighting linedef types change the lighting in the tagged sector.
All are regular or extended types, there are no generalized lighting
types. All are switched or walkovers.
-----------------------------
Section 7.1 Lighting Targets
-----------------------------
Lights to Minimum Neighbor
Each tagged sector is set to the minimum light level found in any
adjacent sector. The tagged sectors are changed in numerical order,
and this may influence the result.
Lights to Maximum Neighbor
Each tagged sector is set to the maximum light level found in any
adjacent sector. The tagged sectors are changed in numerical order,
and this may influence the result.
Blinking
Each tagged sector begins blinking between two light levels. The
brighter level is the light level in the tagged sector. The darker
level is the minimum neighbor light level, or 0 if all neighbor
sectors have lighting greater than or equal to the sector's at the
time of activation. The blinking is non-synchronous, beginning 1-9
gametics after activation, with a dark period of 1 sec (35 gametics)
and a bright period of 1/7 sec (5 gametics).
35 Units
Each tagged sector is set to a light level of 35 units.
255 Units
Each tagged sector is set to a light level of 255 units.
-----------------------------------
Section 7.2 Lighting Linedef Types
-----------------------------------
Regular and Extended Lighting types
-------------------------------------------------------------------
# Class Trig Target
139 Reg SR 35 Units
170 Ext S1 35 Units
79 Reg WR 35 Units
35 Reg W1 35 Units
138 Reg SR 255 Units
171 Ext S1 255 Units
81 Reg WR 255 Units
13 Reg W1 255 Units
192 Ext SR Maximum Neighbor
169 Ext S1 Maximum Neighbor
80 Reg WR Maximum Neighbor
12 Reg W1 Maximum Neighbor
194 Ext SR Minimum Neighbor
173 Ext S1 Minimum Neighbor
157 Ext WR Minimum Neighbor
104 Reg W1 Minimum Neighbor
193 Ext SR Blinking
172 Ext S1 Blinking
156 Ext WR Blinking
17 Reg W1 Blinking
################
Section 8 Exits
################
An exit linedef type ends the current level bringing up the
intermission screen with its report of kills/items/secrets or frags
in the case of deathmatch. Obviously, none are retriggerable, and
none require tags, since no sector is affected.
---------------------------
Section 8.1 Exit Varieties
---------------------------
An exit can be activated by pushing on a switch with the exit type
or by walking over a linedef with the exit type, or by shooting a
linedef with the exit type with an impact weapon.
An exit can be normal or secret. The normal exit simply ends the
level and takes you to the next level via the intermission screen. A
secret exit only works in a special level depending on the IWAD being
played. In DOOM the secret exits can be on E1M3, E2M5, or E3M6. In
DOOM II they can be in levels 15 and 31. If a secret exit is used in
any other level, it brings you back to the start of the current
level. In DOOM the secret exits go from E1M3 to E1M9, E2M5 to E2M9,
and E3M6 to E3M9. In DOOM II they go from 15 to 31 and from 31 to 32.
In DOOM II a normal exit from 31 or 32 goes to level 16.
-----------------------------------
Section 8.2 Exit Linedef Types
-----------------------------------
Regular and Extended Exit types
-------------------------------------------------------------------
# Class Trig Type
11 Reg S1 Normal
52 Reg W1 Normal
197 Ext G1 Normal
51 Reg S1 Secret
124 Reg W1 Secret
198 Ext G1 Secret
######################
Section 9 Teleporters
######################
A teleporter is a linedef that when crossed or switched makes the
player or monster appear elsewhere in the level. There are only
regular and extended teleporters, no generalized teleporters exist
(yet). Teleporters are the only direction sensitive walkover
triggers in DOOM (to allow them to be exited without teleporting
again). They must be crossed from the first sidedef side in order to
work.
The place that the player or monster appears is set in one of two
ways. The more common is by a teleport thing in the sector tagged to
the teleport line. The newer completely player preserving line-line
silent teleport makes the player appear relative to the exit line
(identified by having the same tag as the entry line) with the same
orientation, position, momentum and height that they had relative to
the entry line just before teleportation. A special kind of line-line
teleporter is also provided that reverses the player's orientation by
180 degrees.
In the case of several lines tagged the same as the teleport line, or
several sectors tagged the same, or several teleport things in the
tagged sector, in all cases the lowest numbered one is used.
In DOOM crossing a W1 teleport line in the wrong direction used it
up, and it was never activatable. In BOOM this is not the case, it
does not teleport but remains active until next crossed in the right
direction.
If the exit of a teleporter is blocked a monster (or anything besides
a player) will not teleport thru it. However if the exit of teleporter
is blocked a player will, including into a down crusher, a monster,
or another player. In the latter two cases the monster/player
occupying the spot dies messily, and this is called a telefrag.
-------------------------------
Section 9.1 Teleport Varieties
-------------------------------
A teleporter can be walkover or switched, and retriggerable or not.
A teleporter can have destination set by a teleport thing in the
tagged sector, or by a line tagged the same as the teleport line.
These are called thing teleporters and line teleporters resp.
A teleporter can preserve orientation or set orientation from the
position, height, and angle of the teleport thing. Note a thing
destination teleporter always sets position, though it may preserve
orientation otherwise.
A teleporter can produce green fog and a whoosh noise, or it can be
silent, in which case it does neither.
A teleporter can transport monsters only, or both players and
monsters.
-----------------------------------
Section 9.2 Teleport Linedef types
-----------------------------------
Regular and Extended Teleport types
-------------------------------------------------------------------
# Class Trig Silent Mon Plyr Orient Dest
195 Ext SR No Yes Yes Set TP thing in tagged sector
174 Ext S1 No Yes Yes Set TP thing in tagged sector
97 Reg WR No Yes Yes Set TP thing in tagged sector
39 Reg W1 No Yes Yes Set TP thing in tagged sector
126 Reg WR No Yes No Set TP thing in tagged sector
125 Reg W1 No Yes No Set TP thing in tagged sector
269 Ext WR Yes Yes No Set TP thing in tagged sector
268 Ext W1 Yes Yes No Set TP thing in tagged sector
210 Ext SR Yes Yes Yes Preserve TP thing in tagged sector
209 Ext S1 Yes Yes Yes Preserve TP thing in tagged sector
208 Ext WR Yes Yes Yes Preserve TP thing in tagged sector
207 Ext W1 Yes Yes Yes Preserve TP thing in tagged sector
244 Ext WR Yes Yes Yes Preserve Line with same tag
243 Ext W1 Yes Yes Yes Preserve Line with same tag
263 Ext WR Yes Yes Yes Preserve Line with same tag (reversed)
262 Ext W1 Yes Yes Yes Preserve Line with same tag (reversed)
267 Ext WR Yes Yes No Preserve Line with same tag
266 Ext W1 Yes Yes No Preserve Line with same tag
265 Ext WR Yes Yes No Preserve Line with same tag (reversed)
264 Ext W1 Yes Yes No Preserve Line with same tag (reversed)
##################
Section 10 Donuts
##################
A donut is a very specialized linedef type that lowers a pillar in a
surrounding pool, while raising the pool and changing its texture and
type.
The tagged sector is the pillar, and its lowest numbered line must be
two-sided. The sector on the other side of that is the pool. The pool
must have a two-sided line whose second sidedef does not adjoin the
pillar, and the sector on the second side of the lowest numbered such
linedef is the model for the pool's texture change. The model sector
floor also provides the destination height both for lowering the
pillar and raising the pool.
No generalized donut linedefs exist, and all are switched or
walkover.
---------------------------------
Section 10.1 Donut Linedef types
---------------------------------
Regular and Extended Donut types
-------------------------------------------------------------------
# Class Trig
191 Ext SR
9 Reg S1
155 Ext WR
146 Ext W1
#############################
Section 11 Property Transfer
#############################
These linedefs are special purpose and are used to transfer
properties from the linedef itself or the sector on its first sidedef
to the tagged sector(s). None are triggered, they simply exist.
Extended Property Transfer Linedefs
-------------------------------------------------------------------
# Class Trig Description
213 Ext -- Set Tagged Floor Lighting to Lighting on 1st Sidedef's Sector
Used to give the floor of a sector a different light level from the
remainder of the sector. For example bright lava in a dark room.
261 Ext -- Set Tagged Ceiling Lighting to Lighting on 1st Sidedef's Sector
Used to give the ceiling of a sector a different light level from the
remainder of the sector.
260 Ext -- Make Tagged Lines (or this line if tag==0) Translucent
Used to make 2s normal textures translucent. If tag==0, then this linedef's
normal texture is made translucent if it's 2s, and the default translucency
map TRANMAP is used as the filter. If tag!=0, then all similarly-tagged 2s
linedefs' normal textures are made translucent, and if this linedef's first
sidedef contains a valid lump name for its middle texture (as opposed to a
texture name), and the lump is 64K long, then that lump will be used as the
translucency filter instead of the default TRANMAP, allowing different
filters to be used in different parts of the same maps. If the first side's
normal texture is not a valid translucency filter lump name, it must be a
valid texture name, and will be displayed as such on this linedef.
242 Ext -- Set Tagged Lighting, Flats Heights to 1st Sidedef's Sector,
and set colormap based on sidedef textures.
This allows the tagged sector to have two levels -- an actual floor and
ceiling, and another floor or ceiling where more flats are rendered. Things
will stand on the actual floor or hang from the actual ceiling, while this
function provides another rendered floor and ceiling at the heights of the
sector on the first sidedef of the linedef. Typical use is "deep water" that
can be over the player's head.
---------------------------------- < real sector's ceiling height
| real ceiling | < control sector's ceiling texture
| |
| | < control sector's lightlevel
| A |
| | < upper texture as colormap
| |
| | < control sector's floor texture
---------------------------------- < control sector's ceiling height
| fake ceiling | < real sector's ceiling texture
| |
| | < real sector's lightlevel
| B |
| | < normal texture as colormap
| |
| fake floor | < real sector's floor texture
---------------------------------- < control sector's floor height
| | < control sector's ceiling texture
| |
| | < control sector's lightlevel
| C |
| | < lower texture as colormap
| |
| real floor | < control sector's floor texture
---------------------------------- < real sector's floor height
Boom sectors controlled by a 242 linedef are partitioned into 3 spaces.
The viewer's xyz coordinates uniquely determine which space they are in.
If they are in space B (normal space), then the floor and ceiling textures
and lightlevel from the real sector are used, and the colormap from the 242
linedef's first sidedef's normal texture is used (COLORMAP is used if it's
invalid or missing). The floor and ceiling are rendered at the control
sector's heights.
If they are in space C ("underwater"), then the floor and ceiling textures
and lightlevel from the control sector are used, and the lower texture in
the 242 linedef's first sidedef is used as the colormap.
If they are in space A ("head over ceiling"), then the floor and ceiling
textures and lightlevel from the control sector are used, and the upper
texture in the 242 linedef's first sidedef is used as the colormap.
If only two of these adjacent partitions in z-space are used, such as
underwater and normal space, one has complete control over floor textures,
ceiling textures, light level, and colormaps, in each of the two partitions.
The control sector determines the textures and lighting in the more "unusual"
case (e.g. underwater).
It's also possible for the fake floor to extend below the real floor, in
which case an invisible platform / stair effect is created. In that case,
the picture looks like this (barring any ceiling effects too):
---------------------------------- < real sector's ceiling texture
| real ceiling = fake ceiling |
| |
| |
| B | < real sector's lightlevel
| | < normal texture's colormap
| |
| real floor |
---------------------------------- < invisible, no texture drawn
| |
| |
| | < real sector's lightlevel
| C | < normal texture's colormap
| |
| |
| fake floor | < real sector's floor texture
---------------------------------- < fake sector's floor height
In this case, since the viewer is always at or above the fake floor, no
colormap/lighting/texture changes occur -- the fake floor just gets drawn
at the control sector's height, but at the real sector's lighting and
texture, while objects stand on the higher height of the real floor.
It's the viewer's position relative to the fake floor and/or fake ceiling,
which determines whether the control sector's lighting and textures should
be used, and which colormap should be used. If the viewer is always between
the fake floor and fake ceiling, then no colormap, lighting, or texture
changes occur, and the view just sees the real sector's textures and light
level drawn at possibly different heights.
If the viewer is below the fake floor height set by the control sector, or is
above the fake ceiling height set by the control sector, then the corresponding
colormap is used (lower or upper texture name), and the textures and lighting
are taken from the control sector rather than the real sector. They are still
stacked vertically in standard order -- the control sector's ceiling is always
drawn above the viewer, and the control sector's floor is always drawn below
the viewer.
The kaleidescope effect only occurs when F_SKY1 is used as the control sector's
floor or ceiling. If F_SKY1 is used as the control sector's ceiling texture,
then under water, only the control sector's floor appears, but it "envelops"
the viewer. Similarly, if F_SKY1 is used as the control sector's floor texture,
then when the player's head is over a fake ceiling, the control sector's
ceiling is used throughout.
F_SKY1 causes HOM when used as a fake ceiling between the viewer and normal
space. Since there is no other good use for it, this kaleidescope is an
option turned on by F_SKY1. Note that this does not preclude the use of sky
REAL ceilings over deep water -- this is the control sector's ceiling, the
one displayed when the viewer is underwater, not the real one.
A colormap has the same size and format as Doom's COLORMAP. Extra colormaps
may defined in Boom by adding them between C_START and C_END markers in wads.
Colormaps between C_START and C_END are automatically merged by Boom with any
previously defined colormaps.
WATERMAP is a colormap predefined by Boom which can be used to provide a
blue-green tint while the player is under water. WATERMAP can be modified by
pwads.
Ceiling bleeding may occur if required upper textures are not used.
223 Ext -- Length Sets Friction in tagged Sector,Sludge<100, Ice>100
The length of the linedef with type 223 controls the amount of friction
experienced by the player in the tagged sector, when in contact with the
floor. Lengths less than 100 are sticker than normal, lengths greater than
100 are slipperier than normal. The effect is only present in the tagged
sector when its friction enable bit (bit 8) in the sector type is set.
This allows the flat to be changed in conjunction with turning the effect
on or off thru texture/type changes.
Constant pushers
----------------
Two types of constant pushers are available, wind and current. Depending
on whether you are above, on, or below (special water sectors) the ground
level, the amount of force varies.
The length of the linedef defines the 'full' magnitude of the force, and
the linedef's angle defines the direction.
line type above on under
--------- ----- -- -----
wind 224 full half none
current 225 none full full
The linedef should be tagged to the sector where you want the effect. The
special type of the sector should have bit 9 set (0x200). If this bit
is turned off, the effect goes away. For example, a fan creating a wind
could be turned off, and the wind dies, by changing the sector type and
clearing that bit.
Constant pushers can be combined with scrolling effects and point
pushers.
224 Ext -- Length/Direction Sets Wind Force in tagged Sectors
225 Ext -- Length/Direction Sets Current Force in tagged Sectors
Point pushers
-------------
Two types of point pushers are available, push and pull.
The previous implementation of these was SECTOR-SPECIFIC. The new
implementation ignores sector boundaries and provides the effect in a
circular area whose center is defined by a Thing of type 5001 (push)
or 5002 (pull). You now also don't have to set any option flags on these
Things. A new linedef type of 226 is used to control the effect, and this
line should be tagged to the sector with the 5001/5002 Thing.
The length of the linedef defines the 'full' magnitude of the force, and
the force is inversely proportional to distance from the point source. If
the length of the controlling linedef is L, then the force is reduced to
zero at a distance of 2L.
The angle of the controlling linedef is not used.
The sector where the 5001/5002 Things reside must have bit 9 set (0x200)
in its type. If this is turned off, the effect goes away.
Point pushers can be combined with scrolling effects and constant
pushers.
226 Ext -- Length Sets Point Source Wind/Current Force in Tagged Sectors
###########################################
Section 12 Scrolling Walls, Flats, Objects
###########################################
Static Scrollers
The most basic kind of scrolling linedef causes some part of the tagged
sector or tagged wall to scroll, in proportion to the length of the
linedef the trigger is on, and according to the direction that trigger
linedef lies. For each 32 units of length of the trigger, the tagged
object scrolls 1 unit per frame. Since the length of a linedef doesn't
change during gameplay, these types are static, the scrolling effect
remains constant during gameplay. However, these effects can be combined
with, and/or canceled by, other scrollers.
250 -- Scroll Tagged Ceiling
The ceiling of the tagged sector scrolls in the direction of the linedef
trigger, 1 unit per frame for each 32 units of linedef trigger length.
Objects attached to the ceiling do not move.
251 -- Scroll Tagged Floor
The floor of the tagged sector scrolls in the direction of the linedef
trigger, 1 unit per frame for each 32 units of linedef trigger length.
Objects resting on the floor do not move.
252 -- Carry Objects on Tagged Floor
Objects on the floor of the tagged sector move in the direction of the
linedef trigger, 1 unit per frame for each 32 units of linedef trigger
length. The floor itself does not scroll.
253 -- Scroll Tagged Floor, Carry Objects
Both the floor of the tagged sector and objects resting on that floor
move in the direction of the linedef trigger, 1 unit per frame for each
32 units of linedef trigger length.
254 -- Scroll Tagged Wall, Same as Floor/Ceiling
Walls with the same tag as the linedef trigger scroll at the same
rate as a floor or ceiling controlled by one of 250-253, allowing
their motion to be synchronized. When the linedef trigger is not
parallel to the wall, the component of the linedef in the direction
perpendicular to the wall causes the wall to scroll vertically. The
length of the component parallel to the wall sets the horizontal
scroll rate, the length of the component perpendicular to the wall
sets the vertical scroll rate.
Simple Static Scrollers
For convenience three simpler static scroll functions are provided
for when you just need a wall to scroll and don't need to control its
rate and don't want to bother with proportionality.
255 -- Scroll Wall Using Sidedef Offsets
For simplicity, a static scroller is provided that scrolls the first
sidedef of a linedef, based on its x- and y- offsets. No tag is used.
The x offset controls the rate of horizontal scrolling, 1 unit per
frame per x offset, and the y offset controls the rate of vertical
scrolling, 1 unit per frame per y offset.
48 -- Animated wall, Scrolls Left
A linedef with this type scrolls its first sidedef left at a
constant rate of 1 unit per frame.
85 -- Animated wall, Scrolls Right
A linedef with this type scrolls its first sidedef right at a
constant rate of 1 unit per frame.
Dynamic Scrolling
To achieve dynamic scrolling effects, the position or rate of scrolling
is controlled by the relative position of the floor and ceiling of the
sector on the scrolling trigger's first sidedef. The direction of
scrolling remains controlled by the direction of the linedef trigger.
Either the floor or ceiling may move in the controlling sector, or
both. The control variable is the amount of change in the sum of the
floor and ceiling heights.
All scroll effects are additive, and thus two or more effects may
reinforce and/or cancel each other.
Displacement Scrollers
In the first kind, displacement scrolling, the position of the scrolled
objects or walls changes proportionally to the motion of the floor or
ceiling in the sector on the first sidedef of the scrolling trigger.
The proportionality is set by the length of the linedef trigger. If it
is 32 units long, the wall, floor, ceiling, or object moves 1 unit for
each unit the floor or ceiling of the controlling sector moves. If it
is 64 long, they move 2 units per unit of relative floor/ceiling motion
in the controlling sector and so on.
245 -- Scroll Tagged Ceiling w.r.t. 1st Side's Sector
The tagged sector's ceiling texture scrolls in the direction of the
scrolling trigger line, when the sector on the trigger's first sidedef
changes height. The amount moved is the height change times the trigger
length, divided by 32. Objects attached to the ceiling do not move.
246 -- Scroll Tagged Floor w.r.t. 1st Side's Sector
The tagged sector's floor texture scrolls in the direction of the
scrolling trigger line when the sector on the trigger's first sidedef
changes height. The amount moved is the height change times the trigger
length, divided by 32. Objects on the floor do not move.
247 -- Push Objects on Tagged Floor wrt 1st Side's Sector
Objects on the tagged sector's floor move in the direction of the
scrolling trigger line when the sector on the trigger's first sidedef
changes height. The amount moved is the height change times the trigger
length, divided by 32.
248 -- Push Objects & Tagged Floor wrt 1st Side's Sector
The tagged sector's floor texture, and objects on the floor, move in
the direction of the scrolling trigger line when the sector on the
trigger's first sidedef changes height. The amount moved is the height
change times the trigger length, divided by 32.
249 -- Scroll Tagged Wall w.r.t 1st Side's Sector
Walls with the same tag as the linedef trigger scroll at the same
rate as a floor or ceiling controlled by one of 245-249, allowing
their motion to be synchronized. When the linedef trigger is not
parallel to the wall, the component of the linedef in the direction
perpendicular to the wall causes the wall to scroll vertically. The
length of the component parallel to the wall sets the horizontal
scroll displacement, the length of the component perpendicular to
the wall sets the vertical scroll displacement. The distance scrolled
is the controlling sector's height change times the trigger length,
divided by 32.
Accelerative Scrollers
The second kind of dynamic scrollers, accelerative scrollers, also
react to height changes in the sector on the first sidedef of the
linedef trigger, but the RATE of scrolling changes, not the
displacement. That is, changing the controlling sector's height
speeds up or slows down the scrolling by the change in height
times the trigger's length, divided by 32.
An on/off scroller can be made by using an accelerative scroller
and any linedef that changes the controlling sector's heights.
If a scroll effect which is initially on is desired, then the
accelerative scroller should be combined with a static one which
turns the scroll effect on initially. The accelerative scroller
would then need to be set up to cancel the static scroller's
effect when the controlling sector's height changes.
214 -- Accel Tagged Ceiling w.r.t. 1st Side's Sector
The tagged sector's ceiling's rate of scroll changes in the direction
of the trigger linedef (use vector addition if already scrolling) by
the change in height of the sector on the trigger's first sidedef
times the length of the linedef trigger, divided by 32. For example,
if the ceiling is motionless originally, the linedef trigger is 32
long, and the ceiling of the controlling sector moves 1 unit, the
tagged ceiling will start scrolling at 1 unit per frame.
215 -- Accel Tagged Floor w.r.t. 1st Side's Sector
The tagged sector's floor's rate of scroll changes in the direction of
the trigger linedef (use vector addition if already scrolling) by the
change in height of the sector on the trigger's first sidedef times
the length of the linedef trigger, divided by 32. For example, if
the floor is motionless originally, the linedef trigger is 32 long,
and the ceiling of the controlling sector moves 1 unit, the tagged
floor will start scrolling at 1 unit per frame.
216 -- Accel Objects on Tagged Floor wrt 1st Side's Sector
Objects on the tagged sector's floor's rate of motion changes in the
direction of the trigger linedef (use vector addition if already
moving) by the change in height of the sector on the trigger's first
sidedef times the length of the linedef trigger divided by 32. For
example, if the objects are motionless originally, the linedef trigger
is 32 long, and the ceiling of the controlling sector moves 1 unit,
the objects on the tagged floor will start moving at 1 unit per frame.
217 -- Accel Objects&Tagged Floor wrt 1st Side's Sector
The tagged sector's floor, and objects on it, change its rate of
motion in the direction of the trigger linedef (use vector addition
if already moving) by the change in height of the sector on the
trigger's first sidedef times the length of the linedef trigger, divided
by 32. For example, if the floor and objects are motionless originally,
the linedef trigger is 32 long, and the ceiling of the controlling
sector moves 1 unit, the objects and the tagged floor will start moving
at 1 unit per frame.
218 -- Accel Tagged Wall w.r.t 1st Side's Sector
Walls with the same tag as the linedef trigger increase their
scroll rate in sync with a floor or ceiling controlled by one of
214-217. When the linedef trigger is not parallel to the wall, the
component of the linedef in the direction perpendicular to the wall
causes the wall to increase its vertical scroll rate. The length of
the component parallel to the wall sets the change in horizontal
scroll rate, the length of the component perpendicular to the wall
sets the change in vertical scroll rate. The rate change is the height
change times the trigger length, divided by 32.
======================================================================
#######################################################
Section 13 Detailed Generalized Linedef Specification
#######################################################
BOOM has added generalized linedef types that permit the parameters
of linedef actions to be nearly independently chosen.
To support these, DETH has been modified to support them via dialogs
for each generalized type; each dialog allows the parameters for
that type to be independently specified by choice from a array of
radio buttons. A parser has also been added to support reading back
the function of a generalized linedef from its type number.
NOTE to wad authors:
This requires a lot of type numbers, 20608 in all so far. Some
editors may object to the presence of these new types thru assuming
that a lookup table of size 256 suffices (or some other reason). For
those that must continue to use such an editor, it may be necessary
to stick to the old linedef types, which are still present.
We are also providing command line tools to set these linedef types,
independent of which editor you happen to use, but they are a lot
less slick, and more difficult to use than DETH. See TRIGCALC.EXE and
CLED.EXE in the EDITUTIL.ZIP package of the BOOM distribution.
== Generalized Linedef Ranges =======================================
There are types for Floors, Ceilings, Doors, Locked Doors, Lifts,
Stairs, and Crushers. The allocation of linedef type field numbers is
according to the following table:
Type Start Length (Dec)
-----------------------------------------------------------------
Floors 0x6000 0x2000 (8192)
Ceilings 0x4000 0x2000 (8192)
Doors 0x3c00 0x0400 (1024)
Locked Doors 0x3800 0x0400 (1024)
Lifts 0x3400 0x0400 (1024)
Stairs 0x3000 0x0400 (1024)
Crushers 0x2F80 0x0080 (128)
-----------------------------------------------------------------
Totals: 0x2f80-0x7fff 0x5080 (20608)
======================================================================
The following sections define the placement and meaning of the bit
fields within each linedef category. Fields in the description are
listed in increasing numeric order.
Some nomenclature:
Target height designations:
H means highest, L means lowest, N means next, F means floor, C means
ceiling, n means neighbor, Cr means crush, sT means shortest
lower texture.
Texture change designations:
c0n change texture, change sector type to 0, numeric model change
c0t change texture, change sector type to 0, trigger model change
cTn change texture only, numeric model change
cTt change texture only, trigger model change
cSn change texture and sector type to model's, numeric model change
cSt change texture and sector type to model's, trigger model change
A trigger model change uses the sector on the first side of the
trigger for its model. A numeric model change looks at the sectors
adjoining the tagged sector at the target height, and chooses the one
across the lowest numbered two sided line for its model. If no model
exists, no change occurs. Note that in DOOM II v1.9, no model meant
an illegal sector type was generated.
------------------------------------------------------------------
generalized floors (8192 types)
field description NBits Mask Shift
------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
model trig/numeric -or- nomonst/monst 1 0x0020 5
direct down/up 1 0x0040 6
target HnF/LnF/NnF/LnC/C/sT/24/32 3 0x0380 7
change nochg/zero/txtonly/type 2 0x0c00 10
crush no/yes 1 0x1000 12
DETH Nomenclature:
W1[m] F->HnF DnS [c0t] [Cr]
WR[m] F->LnF DnN [c0n]
S1[m] F->NnF DnF [cTt]
SR[m] F->LnC DnT [cTn]
G1[m] F->C UpS [cSt]
GR[m] FbysT UpN [cSn]
D1[m] Fby24 UpF
DR[m] Fby32 UpT
Notes:
1) When change is nochg, model is 1 when monsters can activate trigger
otherwise monsters cannot activate it.
2) The change fields mean the following:
nochg - means no texture change or type change
zero - means sector type is zeroed, texture copied from model
txtonly - means sector type unchanged, texture copied from model
type - means sector type and floor texture are copied from model
3) down/up specifies the "normal" direction for moving. If the
target specifies motion in the opposite direction, motion is instant.
Otherwise it occurs at speed specified by speed field.
4) Speed is 1/2/4/8 units per tic
5) If change is nonzero then model determines which sector is copied.
If model is 0 its the sector on the first side of the trigger.
if model is 1 (numeric) then the model sector is the sector at
destination height on the opposite side of the lowest numbered
two sided linedef around the tagged sector. If it doesn't exist
no change occurs.
------------------------------------------------------------------
generalized ceilings (8192 types)
field description NBits Mask Shift
------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
model trig/numeric -or- nomonst/monst 1 0x0020 5
direct down/up 1 0x0040 6
target HnC/LnC/NnC/HnF/F/sT/24/32 3 0x0380 7
change nochg/zero/txtonly/type 2 0x0c00 10
crush no/yes 1 0x1000 12
DETH Nomenclature:
W1[m] C->HnC DnS [Cr] [c0t]
WR[m] C->LnC DnN [c0n]
S1[m] C->NnC DnF [cTt]
SR[m] C->HnF DnT [cTn]
G1[m] C->F UpS [cSt]
GR[m] CbysT UpN [cSn]
D1[m] Cby24 UpF
DR[m] Cby32 UpT
Notes:
1) When change is nochg, model is 1 when monsters can activate trigger
otherwise monsters cannot activate it.
2) The change fields mean the following:
nochg - means no texture change or type change
zero - means sector type is zeroed, texture copied from model
txtonly - means sector type unchanged, texture copied from model
type - means sector type and ceiling texture are copied from model
3) down/up specifies the "normal" direction for moving. If the
target specifies motion in the opposite direction, motion is instant.
Otherwise it occurs at speed specified by speed field.
4) Speed is 1/2/4/8 units per tic
5) If change is nonzero then model determines which sector is copied.
If model is 0 its the sector on the first side of the trigger.
if model is 1 (numeric) then the model sector is the sector at
destination height on the opposite side of the lowest numbered
two sided linedef around the tagged sector. If it doesn't exist
no change occurs.
------------------------------------------------------------------
generalized doors (1024 types)
field description NBits Mask Shift
------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
kind odc/o/cdo/c 2 0x0060 5
monster n/y 1 0x0080 7
delay 1/4/9/30 (secs) 2 0x0300 8
DETH Nomenclature:
W1[m] OpnD{1|4|9|30}Cls S
WR[m] Opn N
S1[m] ClsD{1|4|9|30}Opn F
SR[m] Cls T
G1[m]
GR[m]
D1[m]
DR[m]
Notes:
1) The odc (Open, Delay, Close) and cdo (Close, Delay, Open) kinds use
the delay field. The o (Open and Stay) and c (Close and Stay) kinds
do not.
2) The precise delay timings in gametics are: 35/150/300/1050
3) Speed is 2/4/8/16 units per tic
------------------------------------------------------------------
generalized locked doors (1024 types)
field description NBits Mask Shift
------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
kind odc/o 1 0x0020 5
lock any/rc/yc/bc/rs/bs/ys/all 3 0x01c0 6
sk=ck n/y 1 0x0200 9
DETH Nomenclature:
W1[m] OpnD{1|4|9|30}Cls S Any
WR[m] Opn N R{C|S|K}
S1[m] F B{C|S|K}
SR[m] T Y{C|S|K}
G1[m] All{3|6}
GR[m]
D1[m]
DR[m]
Notes:
1) Delay for odc kind is constant at 150 gametics or about 4.333 secs
2) The lock field allows any key to open a door, or a specific key to
open a door, or all keys to open a door.
3) If the sk=ck field is 0 (n) skull and cards are different keys,
otherwise they are treated identically. Hence an "all" type door
requires 3 keys if sk=ck is 1, and 6 keys if sk=ck is 0.
4) Speed is 2/4/8/16 units per tic
-------------------------------------------------------------------
generalized lifts (1024 types)
field description NBits Mask Shift
-------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
monster n/y 1 0x0020 5
delay 1/3/5/10 (secs) 2 0x00c0 6
target LnF/NnF/LnC/LnF<->HnF(perp.) 2 0x0300 8
DETH Nomenclature:
W1[m] Lft F->LnFD{1|3|5|10} S
WR[m] F->NnFD{1|3|5|10} N
S1[m] F->LnCD{1|3|5|10} F
SR[m] HnF<->LnFD{1|3|5|10} T
G1[m]
GR[m]
D1[m]
DR[m]
Notes:
1) The precise delay timings in gametics are: 35/105/165/350
2) Speed is 1/2/4/8 units per tic
3) If the target specified is above starting floor height, or does not
exist the lift does not move when triggered. NnF is Next Lowest
Neighbor Floor.
4) Starting a perpetual lift between lowest and highest neighboring floors
locks out all other actions on the sector, even if it is stopped with
the non-extended stop perpetual floor function.
-------------------------------------------------------------------
generalized stairs (1024 types)
field description NBits Mask Shift
-------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
monster n/y 1 0x0020 5
step 4/8/16/24 2 0x00c0 6
dir dn/up 1 0x0100 8
igntxt n/y 1 0x0200 9
DETH Nomenclature:
W1[m] Stair Dn s4 S [Ign]
WR[m] Up s8 N
S1[m] s16 F
SR[m] s24 T
G1[m]
GR[m]
D1[m]
DR[m]
Notes:
1) Speed is .25/.5/2/4 units per tic
2) If igntxt is 1, then the staircase will not stop building when
a step does not have the same texture as the previous.
3) A retriggerable stairs builds up and down alternately on each
trigger.
-------------------------------------------------------------------
generalized crushers (128 types)
field description NBits Mask Shift
-------------------------------------------------------------------
trigger W1/WR/S1/SR/G1/GR/D1/DR 3 0x0007 0
speed slow/normal/fast/turbo 2 0x0018 3
monster n/y 1 0x0020 5
silent n/y 1 0x0040 6
DETH Nomenclature:
W1[m] Crusher S [Silent]
WR[m] N
S1[m] F
SR[m] T
G1[m]
GR[m]
D1[m]
DR[m]
Notes:
1) Speed is 1/2/4/8 units per second, faster means slower damage as usual.
2) If silent is 1, the crusher is totally quiet, no start/stop sounds
======================================================================
Part II Sector Types
======================================================================
BOOM is backward compatible with DOOM's sector types. All types 0-17
have the same meaning they did under DOOM. Types 18-31 are reserved
for extended sector types, that work like DOOM's and share the
limitation that only one type can be active in a sector at once. No
extended sector types are implemented at this time.
####################################
Section 14. Regular Sector types
####################################
From Matt Fell's Unofficial DOOM Spec the DOOM sector types are:
Dec Hex Class Description
-------------------------------------------------------------------
0 00 - Normal, no special characteristic.
1 01 Light random off
2 02 Light blink 0.5 second
3 03 Light blink 1.0 second
4 04 Both -10/20% health AND light blink 0.5 second
5 05 Damage -5/10% health
7 07 Damage -2/5% health
8 08 Light oscillates
9 09 Secret a player must stand in this sector to get credit for
finding this secret. This is for the SECRETS ratio
on inter-level screens.
10 0a Door 30 seconds after level start, ceiling closes like a door.
11 0b End -10/20% health. If a player's health is lowered to less
than 11% while standing here, then the level ends! Play
proceeds to the next level. If it is a final level
(levels 8 in DOOM 1, level 30 in DOOM 2), the game ends!
12 0c Light blink 0.5 second, synchronized
13 0d Light blink 1.0 second, synchronized
14 0e Door 300 seconds after level start, ceiling opens like a door.
16 10 Damage -10/20% health
17 11 Light flickers on and off randomly
Note that BOOM will NEVER exit the game on an illegal sector type, as
was the case with DOOM. The sector type will merely be ignored.
####################################
Section 15. Generalized sector types
####################################
BOOM also provides generalized sector types, based on bit fields,
that allow several sector type properties to be independently
specified for a sector. Texture change linedefs can be used to switch
some or all of these properties dynamically, outside lighting.
Bits 0 thru 4 specify the lighting type in the sector, the same codes
that DOOM used are employed:
Dec Bits 4-0 Description
-------------------------------------------------------------------
0 00000 Normal lighting
1 00001 random off
2 00010 blink 0.5 second
3 00011 blink 1.0 second
4 00100 -10/20% health AND light blink 0.5 second
8 01000 oscillates
12 01100 blink 0.5 second, synchronized
13 01101 blink 1.0 second, synchronized
17 10001 flickers on and off randomly
Bits 5 and 6 set the damage type of the sector, with the usual
5/10/20 damage units per second.
Dec Bits 6-5 Description
-------------------------------------------------------------------
0 00 No damage
32 01 5 units damage per sec (halve damage in TYTD skill)
64 10 10 units damage per sec
96 11 20 units damage per sec
Bit 7 makes the sector count towards the secrets total at game end
Dec Bit 7 Description
-------------------------------------------------------------------
0 0 Sector is not secret
128 1 Sector is secret
Bit 8 enables the ice/mud effect controlled by linedef 223
Dec Bit 8 Description
-------------------------------------------------------------------
0 0 Sector friction disabled
256 1 Sector friction enabled
Bit 9 enables the wind effects controlled by linedefs 224-226
Dec Bit 9 Description
-------------------------------------------------------------------
0 0 Sector wind disabled
512 1 Sector wind enabled
Bits 10 and 11 are not implemented yet, but are reserved for use in
sound control. Bit 10 will suppress all sounds within the sector,
while bit 11 will disable any sounds due to floor or ceiling motion
by the sector.
======================================================================
Part III Linedef Flags
======================================================================
Only one new linedef flag is implemented, called PassThru, which
allows a push or switch linedef trigger to pass the push action thru
it to ones within range behind it. In this way BOOM is capable of
setting off many actions with a single push. Note that the limitation
of one floor action, one ceiling action, and one lighting action per
sector affect still applies however.
The new linedef flag is bit 9, value 512, in the linedef flags word.
======================================================================
Part IV Thing Flags
======================================================================
BOOM has implemented two new thing flags, "not in DM" and "not in
COOP", which in combination with the existing "not in Single" flag,
usually called "Multiplayer", allow complete control over a level's
inventory and monsters, in any game mode.
If you want a thing to be only available in Single play, you set both
the "not in DM" and "not in COOP" flags. Other combinations are
similar.
"not in DM" is bit 5, value 32, in the thing flags word.
"not in COOP" is bit 6, value 64, in the thing flags word.
======================================================================
Part V Thing Types
======================================================================
BOOM has implemented two new thing types as well, MT_PUSH (5001), and
MT_PULL(5002). These control the origin of the point source wind
effect controlled by linedef types 225 and 226, and set whether the
wind blows towards or away from the origin depending on which is
used.
======================================================================
Part VI BOOM Predefined Lumps
======================================================================
BOOM supports resources embedded in the .EXE that are loaded before
all other resources. They can be replaced by resources of the same
name in the IWAD or add-on PWADs. These resources can be extracted
into a wad thru use of the command:
BOOM -dumplumps predef.wad
You can then extract the resources from predef.wad to alter them for
replacement purposes.
Menu text
---------
M_HORSEN Mouse horizontal sensitivity menu
M_VERSEN Mouse vertical sensitivity menu
M_SETUP Setup menu entry in main menu
M_KEYBND Key Bindings entry in setup menu
M_AUTO Automap entry in setup menu
M_CHAT Chat string entry in setup menu
M_ENEM Enemies options entry in setup menu
M_STAT Status bar and Hud entry in setup menu
M_WEAP Weapons entry in setup menu
M_MESS Message option entry in setup menu
M_COLORS Palette color picker diagram
M_PALNO Xed-out symbol for unused automap features
M_BUTT1 Setup reset button off state
M_BUTT2 Setup reset button on state
Font chars
----------
STCFN096 ` character for standard DOOM font
STBR123 HUD font bargraph char, full, 4 vertical bars
STBR124 HUD font bargraph char, partial, 3 vertical bars
STBR125 HUD font bargraph char, partial, 2 vertical bars
STBR126 HUD font bargraph char, partial, 1 vertical bars
STBR127 HUD font bargraph char, empty, 0 vertical bars
DIG0 HUD font 0 char
DIG1 HUD font 1 char
DIG2 HUD font 2 char
DIG3 HUD font 3 char
DIG4 HUD font 4 char
DIG5 HUD font 5 char
DIG6 HUD font 6 char
DIG7 HUD font 7 char
DIG8 HUD font 8 char
DIG9 HUD font 9 char
DIGA HUD font A char
DIGB HUD font B char
DIGC HUD font C char
DIGD HUD font D char
DIGE HUD font E char
DIGF HUD font F char
DIGG HUD font G char
DIGH HUD font H char
DIGI HUD font I char
DIGJ HUD font J char
DIGK HUD font K char
DIGL HUD font L char
DIGM HUD font M char
DIGN HUD font N char
DIGO HUD font O char
DIGP HUD font P char
DIGQ HUD font Q char
DIGR HUD font R char
DIGS HUD font S char
DIGT HUD font T char
DIGU HUD font U char
DIGV HUD font V char
DIGW HUD font W char
DIGX HUD font X char
DIGY HUD font Y char
DIGZ HUD font Z char
DIG45 HUD font - char
DIG47 HUD font / char
DIG58 HUD font : char
DIG91 HUD font [ char
DIG93 HUD font ] char
Status bar
----------
STKEYS6 Both blue keys graphic
STKEYS7 Both yellow keys graphic
STKEYS8 Both red keys graphic
Box chars
---------
BOXUL Upper left corner of box
BOXUC Center of upper border of box
BOXUR Upper right corner of box
BOXCL Center of left border of box
BOXCC Center of box
BOXCR Center of right border of box
BOXLL Lower left corner of box
BOXLC Center of lower border of box
BOXLR Lower right corner of box
Lumps missing in v1.1
---------------------
STTMINUS minus sign for neg frags in status bar
WIMINUS minus sign for neg frags on end screen
M_NMARE nightmare skill menu string
STBAR status bar background
DSGETPOW sound for obtaining power-up
Text end screen
---------------
ENDBOOM Text displayed at end of game, 80X25 with attributes
Sprites
-------
TNT1A0 Invisible sprite for push/pull controller things
Switches and Animations
-----------------------
SWITCHES Definition of switch textures recognized
ANIMATED Definition of animated textures and flats recognized
SWITCHES format:
The SWITCHES lump makes the names of the switch textures used in the
game known to the engine. It consists of a list of records each 20
bytes long, terminated by an entry (not used) whose last 2 bytes are 0.
9 bytes Null terminated string naming "off" state texture for switch
9 bytes Null terminated string naming "off" state texture for switch
2 bytes Short integer for the IWADs switch will work in
1=shareware
2=registered/retail DOOM or shareware
3=DOOM II, registered/retail DOOM, or shareware
0=terminates list of known switches
ANIMATED format:
The ANIMATED lump makes the names of the animated flats and textures
known to the engine. It consists of a list of records, each 23 bytes
long, terminated by a record (not used) whose first byte is -1 (255).
1 byte -1 to terminate list, 0 if a flat, 1 if a texture
9 bytes Null terminated string naming last texture/flat in animation
9 bytes Null terminated string naming first texture/flat in animation
4 bytes Animation speed, number of frames between animation changes
The utility package contains a program, SWANTBLS.EXE that will
generate both the SWITCHES and ANIMATED lumps from a text file. An
example is provided, DEFSWANI.DAT that generates the standard set of
switches and animations for DOOM.
Colormaps
---------
WATERMAP Custom greenish colormap for underwater use
The WATERMAP lump has the same format as COLORMAP, 34 tables of 256
bytes each, see the UDS for details. Note that colormaps you add to
a PWAD must be between C_START and C_END markers.
The utility package contains a program, CMAPTOOL.EXE, that will
generate custom colormaps for use with BOOM. It also includes 7
premade colormaps, and an add-on wad containing them.
Color translation tables
------------------------
CRBRICK Translates red range to brick red
CRTAN Translates red range to tan
CRGRAY Translates red range to gray
CRGREEN Translates red range to green
CRBROWN Translates red range to brown
CRGOLD Translates red range to dark yellow
CRRED Translates red range to red range (no change)
CRBLUE Translates red range to light blue
CRBLUE2 Translates red range to dark blue (status bar numerals)
CRORANGE Translates red range to orange
CRYELLOW Translates red range to light yellow
These tables are used to translate the red font characters to other
colors. They are made replaceable in order to support custom palettes
in TC's better. Note however that the font character graphics must
be defined using the palette indices for the standard red range of the
palette 176-191.
-END OF DOCUMENT----------------------------------------------------------

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