SRB2/doc/specs/udmf_srb2.txt
2025-02-15 19:55:33 -06:00

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Universal Doom Map Format Sonic Robo Blast 2 extensions v1.0 19.06.2024
Copyright (c) 2024 Sonic Team Junior
uses Universal Doom Map Format Specification v1.1 as a template,
original document Copyright (c) 2009 James Haley.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.2
or any later version published by the Free Software Foundation;
with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
===============================================================================
This document discusses the UDMF implementation found in Sonic Robo Blast 2's engine.
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I. Grammar / Syntax
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No changes.
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II. Implementation Semantics
=======================================
------------------------------------
II.A : Storage and Retrieval of Data
------------------------------------
No changes.
-----------------------------------
II.B : Storage Within Archive Files
-----------------------------------
In addition to the base specification SRB2 recognizes the following lumps
between the TEXTMAP and ENDMAP lumps:
BEHAVIOR = contains compiled ACS code
ZNODES = Nodes (must be stored as extended GL nodes.)
BLOCKMAP = blockmap. It is recommended not to include this lump in UDMF maps.
REJECT = reject table. It is recommended not to include this lump in UDMF maps.
Lumps starting with 'SCRIPT' are guaranteed to be ignored by SRB2 so they
can be used to store ACS and dialogue script sources.
--------------------------------
II.C : Implementation Dependence
--------------------------------
The SRB2 engine only supports the following namespace:
"srb2"
The engine is allowed to refuse maps with an unsupported namespace,
or emit a warning.
Additionally, maps may include a "version" field, represented as an integer.
This must be increased by one whenever backwards-incompatible changes are introduced.
The highest version currently supported by the engine is:
0
=======================================
III. Standardized Fields
=======================================
The SRB2 engine ignores any user-defined fields.
All boolean fields default to false unless mentioned otherwise.
Sonic Robo Blast 2 defines the following standardized fields:
vertex
{
x = <float>; // X coordinate. No valid default.
y = <float>; // Y coordinate. No valid default.
zfloor = <float>; // Floor height at this vertex. Only applies to triangular sectors
zceiling = <float>; // Ceiling height at this vertex. Only applies to triangular sectors
}
linedef
{
id = <integer>; // ID of line. Interpreted as tag.
moreids = <string>; // Additional line IDs, specified as a space separated list of numbers (e.g. "2 666 1003 4505")
v1 = <integer>; // Index of first vertex. No valid default.
v2 = <integer>; // Index of second vertex. No valid default.
blocking = <bool>; // Line blocks things.
blockmonsters = <bool>; // Line blocks enemies.
twosided = <bool>; // Line is 2S.
dontpegtop = <bool>; // Upper texture unpegged.
dontpegbottom = <bool>; // Lower texture unpegged.
skewtd = <bool>; // Upper and lower textures are skewed.
noclimb = <bool>; // Line is not climbable.
noskew = <bool>; // Middle texture is not skewed.
midpeg = <bool>; // Middle texture is pegged.
midsolid = <bool>; // Middle texture is solid.
wrapmidtex = <bool>; // Line's mid textures are wrapped.
nonet = <bool>; // Special only takes effect in singleplayer games.
netonly = <bool>; // Special only takes effect in multiplayer games.
bouncy = <bool>; // Line is bouncy.
transfer = <bool>; // In 3D floor sides, uses the sidedef properties of the control sector.
playercross = <bool>; // Special activates when a player crosses this line.
monstercross = <bool>; // Special activates when an enemy or boss crosses this line.
missilecross = <bool>; // Special activates when a projectile crosses this line.
playerpush = <bool>; // Special activates when a player pushes this line.
monsterpush = <bool>; // Special activates when an enemy or boss pushed this line.
impact = <bool>; // Special activates when a projectile hits this line.
repeatspecial = <bool>; // Special is repeatable.
alpha = <float>; // Translucency of this line. Default is 1.0
renderstyle = <string>; // Render style. Can be:
// - "translucent"
// - "add"
// - "subtract"
// - "reversesubtract"
// - "modulate"
// - "fog"
// Default is "translucent".
special = <integer>; // Linedef action. Default = 0.
arg0 = <integer>; // Argument 0. Default = 0.
arg1 = <integer>; // Argument 1. Default = 0.
arg2 = <integer>; // Argument 2. Default = 0.
arg3 = <integer>; // Argument 3. Default = 0.
arg4 = <integer>; // Argument 4. Default = 0.
arg5 = <integer>; // Argument 5. Default = 0.
arg6 = <integer>; // Argument 6. Default = 0.
arg7 = <integer>; // Argument 7. Default = 0.
arg8 = <integer>; // Argument 8. Default = 0.
arg9 = <integer>; // Argument 9. Default = 0.
stringarg0 = <string>; // String argument 0.
stringarg1 = <string>; // String argument 1.
sidefront = <integer>; // Sidedef 1 index. No valid default.
sideback = <integer>; // Sidedef 2 index. Default = -1.
comment = <string>; // A comment. Implementors should attach no special
// semantic meaning to this field.
}
sidedef
{
offsetx = <integer>; // X offset. Default = 0.
offsety = <integer>; // Y offset. Default = 0.
texturetop = <string>; // Upper texture. Default = "-".
texturebottom = <string>; // Lower texture. Default = "-".
texturemiddle = <string>; // Middle texture. Default = "-".
repeatcnt = <integer>; // Number of middle texture repetitions. Default = 0.
sector = <integer>; // Sector index. No valid default.
scalex_top = <float>; // X scale for upper texture. Default = 1.0.
scaley_top = <float>; // Y scale for upper texture. Default = 1.0.
scalex_mid = <float>; // X scale for mid texture. Default = 1.0.
scaley_mid = <float>; // Y scale for mid texture. Default = 1.0.
scalex_bottom = <float>; // X scale for lower texture. Default = 1.0.
scaley_bottom = <float>; // Y scale for lower texture. Default = 1.0.
offsetx_top = <float>; // X offset for upper texture. Default = 0.0.
offsety_top = <float>; // Y offset for upper texture. Default = 0.0.
offsetx_mid = <float>; // X offset for mid texture. Default = 0.0.
offsety_mid = <float>; // Y offset for mid texture. Default = 0.0.
offsetx_bottom = <float>; // X offset for lower texture. Default = 0.0.
offsety_bottom = <float>; // Y offset for lower texture. Default = 0.0.
light = <integer>; // Light level, relative to 'sector' light level. Default = 0.
lightabsolute = <bool>; // true = 'light' is an absolute value, ignoring 'sector' light level.
comment = <string>; // A comment. Implementors should attach no special
// semantic meaning to this field.
}
sector
{
heightfloor = <integer>; // Floor height. Default = 0.
heightceiling = <integer>; // Ceiling height. Default = 0.
texturefloor = <string>; // Floor flat. No valid default.
textureceiling = <string>; // Ceiling flat. No valid default.
lightlevel = <integer>; // Light level. Default = 255.
lightfloor = <integer>; // The floor's light level. Default is 0.
lightceiling = <integer>; // The ceiling's light level. Default is 0.
lightfloorabsolute = <bool>; // true = 'lightfloor' is an absolute value. Default is
// relative to the owning sector's light level.
lightceilingabsolute = <bool>; // true = 'lightceiling' is an absolute value. Default is
// relative to the owning sector's light level.
special = <integer>; // Sector special. Default = 0.
id = <integer>; // Sector tag/id. Default = 0.
moreids = <string>; // Additional sector IDs/tags, specified as a space separated list of numbers (e.g. "2 666 1003 4505")
xpanningfloor = <float>; // X texture offset of floor texture. Default = 0.0.
ypanningfloor = <float>; // Y texture offset of floor texture. Default = 0.0.
xpanningceiling = <float>; // X texture offset of ceiling texture. Default = 0.0.
ypanningceiling = <float>; // Y texture offset of ceiling texture. Default = 0.0.
xscalefloor = <float>; // X texture scale of floor texture. Default = 1.0.
yscalefloor = <float>; // Y texture scale of floor texture. Default = 1.0.
xscaleceiling = <float>; // X texture scale of ceiling texture. Default = 1.0.
yscaleceiling = <float>; // Y texture scale of ceiling texture. Default = 1.0.
rotationfloor = <float>; // Rotation of floor texture in degrees. Default = 0.0.
rotationceiling = <float>; // Rotation of ceiling texture in degrees. Default = 0.0.
ceilingplane_a = <float>; // Define the plane equation for the sector's ceiling. Default is a horizontal plane at 'heightceiling'.
ceilingplane_b = <float>; // 'heightceiling' will still be used to calculate texture alignment.
ceilingplane_c = <float>; // The plane equation will only be used if all 4 values are given.
ceilingplane_d = <float>; // The plane is defined as a*x + b*y + c*z + d = 0 with the normal vector pointing downward.
floorplane_a = <float>; // Define the plane equation for the sector's floor. Default is a horizontal plane at 'heightfloor'.
floorplane_b = <float>; // 'heightfloor' will still be used to calculate texture alignment.
floorplane_c = <float>; // The plane equation will only be used if all 4 values are given.
floorplane_d = <float>; // The plane is defined as a*x + b*y + c*z + d = 0 with the normal vector pointing upward.
lightcolor = <integer>; // Sector's light color as RRGGBB value. Default = 0x000000.
lightalpha = <integer>; // Sector's light opacity. Default = 25.
fadecolor = <integer>; // Sector's fog color as RRGGBB value. Default = 0x000000.
fadealpha = <integer>; // Sector's fog opacity. Default = 25.
fadestart = <integer>; // Sector's fading range start. Default = 0.
fadeend = <integer>; // Sector's fading range end. Default = 31.
colormapfog = <bool>; // Sector's colormap uses fog lighting.
colormapfadesprites = <bool>; // Sector's colormap affects full-bright sprites.
colormapprotected = <bool>; // Sector's colormap is not affected by colormap change specials.
flipspecial_nofloor = <bool>; // Trigger effects that require a plane touch are not executed when the floor is touched.
flipspecial_ceiling = <bool>; // Trigger effects that require a plane touch are executed when the ceiling is touched.
triggerspecial_touch = <bool>; // Trigger effects are executed anywhere in the sector.
triggerspecial_headbump = <bool>; // Trigger effects are executed if the top of the triggerer object touches a plane.
triggerline_plane = <bool>; // Trigger effects require a plane touch to be executed.
triggerline_mobj = <bool>; // Trigger effects can be executed by non-pushable objects.
playerenter = <bool>; // Special activates when a player enters this sector.
playerfloor = <bool>; // Special activates when a player's feet touches the sector's floor.
playerceiling = <bool>; // Special activates when a player's head touches the sector's ceiling.
monsterenter = <bool>; // Special activates when an enemy or boss enters this sector.
monsterfloor = <bool>; // Special activates when an enemy or boss's feet touches the sector's floor.
monsterceiling = <bool>; // Special activates when an enemy or boss's head touches the sector's ceiling.
missileenter = <bool>; // Special activates when a missile enters this sector.
missilefloor = <bool>; // Special activates when a missile hits the sector's floor.
missileceiling = <bool>; // Special activates when a missile hits the sector's ceiling.
repeatspecial = <bool>; // Special is repeatable.
continuousspecial = <bool>; // Special is activated continuously.
invertprecip = <bool>; // Inverts the precipitation effect; if the sector is considered to be indoors,
// precipitation is generated, and if the sector is considered to be outdoors,
// precipitation is not generated.
gravityflip = <bool>; // Sector flips any objects in it, if the sector has negative gravity.
heatwave = <bool>; // Sector has the heat wave effect.
noclipcamera = <bool>; // Sector is not tangible to the camera.
outerspace = <bool>; // Sector has the space countdown effect.
doublestepup = <bool>; // Sector has half the vertical height needed for objects to walk into it.
nostepdown = <bool>; // Sector has the staircase effect disabled.
speedpad = <bool>; // Sector is a speed pad.
starpostactivator = <bool>; // Sector activates any Star Posts in it when walked into by a plyer.
exit = <bool>; // Sector is an exit sector.
specialstagepit = <bool>; // Sector is a Special Stage pit.
returnflag = <bool>; // Sector returns any Capture the Flag flags that come in contact with it to their respective bases.
redteambase = <bool>; // Sector is a Red Team base.
blueteambase = <bool>; // Sector is Blue Team base.
fan = <bool>; // Sector is a fan sector.
supertransform = <bool>; // Sector transforms any players that come in contact with it into their 'super' mode.
forcespin = <bool>; // Sector forces any players that come in contact with it to roll.
zoomtubestart = <bool>; // Sector is the starting point of a zoom tube path.
zoomtubeend = <bool>; // Sector is the ending point of a zoom tube path.
finishline = <bool>; // Sector is a Circuit finish line.
ropehang = <bool>; // Sector is a rope hang. Must be applied to a 3D floor.
jumpflip = <bool>; // Sector flips the gravity of players who jump from it.
gravityoverride = <bool>; // Reverse gravity effect is only applied when an object is in the sector.
nophysics_floor = <bool>; // Disables floor slope physics if created through a plane equation.
nophysics_ceiling = <bool>; // Disables ceiling slope physics if created through a plane equation.
friction = <float>; // Sector's friction factor.
gravity = <float>; // Sector's gravity. Default is 1.0.
damagetype = <integer>; // Damage type for sector damage. Can be:
// - "None"
// - "Generic"
// - "Water"
// - "Fire"
// - "Lava"
// - "Electric"
// - "Spike"
// - "DeathPitTilt"
// - "DeathPitNoTilt"
// - "Instakill"
// - "SpecialStage"
// Default = "None".
triggertag = <integer>; // Tag to trigger when this sector is entered. Default = 0.
triggerer = <string>; // Who can execute the trigger tag when this sector is entered. Can be:
// - "Player"
// - "AllPlayers"
// - "Mobj"
// Default = "Player".
comment = <string>; // A comment. Implementors should attach no special
// semantic meaning to this field.
}
thing
{
id = <integer>; // Thing ID. Default = 0.
moreids = <string>; // Additional thing IDs, specified as a space separated list of numbers (e.g. "2 666 1003 4505")
x = <float>; // X coordinate. No valid default.
y = <float>; // Y coordinate. No valid default.
height = <float>; // Z height relative to floor.
// Relative to ceiling if flip = true.
// Absolute if absolutez = true.
// Default = 0.
angle = <integer>; // Map angle of thing in degrees. Default = 0 (East).
pitch = <integer>; // Pitch of thing in degrees. Default = 0 (horizontal).
roll = <integer>; // Roll of thing in degrees. Default = 0.
scalex = <float>; // Horizontal visual scaling on thing. Default = 1.0.
scaley = <float>; // Vertical visual scaling on thing. Default = 1.0.
scale = <float>; // Vertical and horizontal visual scaling on thing. Default = 1.0.
mobjscale = <float>; // Physical scale of the thing. Default = 1.0.
type = <integer>; // Thing type. No valid default.
flip = <bool>; // Thing spawns flipped, on the ceiling.
absolutez = <bool>; // If true, the thing height is absolute, instead of being relative to the floor or ceiling.
arg0 = <integer>; // Argument 0. Default = 0.
arg1 = <integer>; // Argument 1. Default = 0.
arg2 = <integer>; // Argument 2. Default = 0.
arg3 = <integer>; // Argument 3. Default = 0.
arg4 = <integer>; // Argument 4. Default = 0.
arg5 = <integer>; // Argument 5. Default = 0.
arg6 = <integer>; // Argument 6. Default = 0.
arg7 = <integer>; // Argument 7. Default = 0.
arg8 = <integer>; // Argument 8. Default = 0.
arg9 = <integer>; // Argument 9. Default = 0.
stringarg0 = <string>; // String argument 0.
stringarg1 = <string>; // String argument 1.
special = <integer>; // Special. Default = 0.
scriptarg0 = <integer>; // Special argument 0. Default = 0.
scriptarg1 = <integer>; // Special argument 1. Default = 0.
scriptarg2 = <integer>; // Special argument 2. Default = 0.
scriptarg3 = <integer>; // Special argument 3. Default = 0.
scriptarg4 = <integer>; // Special argument 4. Default = 0.
scriptarg5 = <integer>; // Special argument 5. Default = 0.
scriptarg6 = <integer>; // Special argument 6. Default = 0.
scriptarg7 = <integer>; // Special argument 7. Default = 0.
scriptarg8 = <integer>; // Special argument 8. Default = 0.
scriptarg9 = <integer>; // Special argument 9. Default = 0.
scriptstringarg0 = <string>; // Special string argument 0.
scriptstringarg1 = <string>; // Special string argument 1.
comment = <string>; // A comment. Implementors should attach no special
// semantic meaning to this field.
}
=======================================
Changelog
=======================================
1.1: 25.04.2024
Added activation parameters for lines and sectors.
Added special and script arguments for things.
1.0: 19.02.2024
Initial version.
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EOF
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