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Doom3 - Maps (Theory Stage)

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Betreff des Beitrags: Doom3 - Maps (Theory Stage)

Verfasst: Mo Dez 20, 2004 02:52

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Registriert: Mi Jul 21, 2004 22:39
Beiträge: 360
Wohnort: UK, Scotland

Doom3 maps are in text format rather than a compiled format like in previous id games. a .map format from gtkradient looks like follows:

Code:

 
// entity 0
{
"classname" "worldspawn"
// brush 0
{
( -200 216 264 ) ( -200 208 264 ) ( -200 208 256 ) chateau/wood_c06 -48 144 0 0.500000 0.500000 0 0 0
( 8 224 264 ) ( -200 224 264 ) ( -200 224 256 ) chateau/wood_c06 16 144 0 0.500000 0.500000 0 0 0
( 136 88 264 ) ( 136 96 264 ) ( 136 96 256 ) chateau/wood_c06 -48 144 0 0.500000 0.500000 0 0 0
( -88 -104 264 ) ( 120 -104 264 ) ( 120 -104 256 ) chateau/wood_c06 16 144 0 0.500000 0.500000 0 0 0
( -200 208 264 ) ( -200 216 264 ) ( 8 216 264 ) chateau/wood_c06 16 48 0 0.500000 0.500000 0 0 0
( 8 216 256 ) ( -200 216 256 ) ( -200 208 256 ) chateau/wood_c06 16 48 0 0.500000 0.500000 0 0 0
}
// brush 1
{
( -704 384 -8 ) ( -824 384 -8 ) ( -824 256 -8 ) chateau/marblefloor_c04 -16 128 0 0.500000 0.500000 0 0 0
( -824 256 0 ) ( -824 384 0 ) ( -704 384 0 ) chateau/marblefloor_c04 -16 128 0 0.500000 0.500000 0 0 0
( -392 64 0 ) ( -272 64 0 ) ( -272 64 -8 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
( -192 72 0 ) ( -192 200 0 ) ( -192 200 -8 ) chateau/marblefloor_c04 -128 0 0 0.500000 0.500000 0 0 0
( -704 384 0 ) ( -824 384 0 ) ( -824 384 -8 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
( -824 384 0 ) ( -824 256 0 ) ( -824 256 -8 ) chateau/marblefloor_c04 -128 0 0 0.500000 0.500000 0 0 0
}
// brush 2
{
( -824 64 0 ) ( -824 -64 0 ) ( -824 -64 -8 ) chateau/marblefloor_c04 0 0 0 0.500000 0.500000 0 0 0
( -704 64 0 ) ( -824 64 0 ) ( -824 64 -8 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
( -192 -248 0 ) ( -192 -120 0 ) ( -192 -120 -8 ) chateau/marblefloor_c04 0 0 0 0.500000 0.500000 0 0 0
( -392 -256 0 ) ( -272 -256 0 ) ( -272 -256 -8 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
( -824 -64 0 ) ( -824 64 0 ) ( -704 64 0 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
( -704 64 -8 ) ( -824 64 -8 ) ( -824 -64 -8 ) chateau/marblefloor_c04 -16 0 0 0.500000 0.500000 0 0 0
}
 
Etc....
 

Each line holds the information for 1 tryangle, it also tells the program the texture cordinates, scale and rotation. But a doom 3 map looks like follows:

Code:

 
Version 2
// entity 0
{
"classname" "worldspawn"
"call" "map_marscity2::main"
// primitive 0
{
 brushDef3
 {
  ( 0 0 -1 184 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 0 1 -344 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 -1 0 -2944 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 1 0 0 2928 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 1 0 2908 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( -1 0 0 -2970 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
 }
}
// primitive 1
{
 brushDef3
 {
  ( 0 0.7739573121 -0.6332377791 1451.9439697266 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 -0.776113987 0.6305926442 -1465.2061767578 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 -0.5547001958 -0.8320503235 -939.107421875 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 1 0 1786 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( -1 0 0 -416 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 1 0 0 352 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
  ( 0 0 -1 82 ) ( ( 0.03125 0 0 ) ( 0 0.03125 0 ) ) "textures/common/player_clip" 0 0 0
 }
}
 
Etc....
 

which at fist glance looks pritty similer, but the first line has 4 numbers. The first 3 might be normals? and the last number looks like it is added to the next 2 sets of 3 to gave them a position. Looking at it it looks like each line contains 2 vertex positions. But if each holds 2 vertex's wouldn't there not be enough information?

Im guessing when the map is loading u would also have to work out map clustors and which can see what.

Thoughts?

EDIT: looks like the AAS4B holds the info needed for working out what is visible, planes, nodes, clusters, etc. Its in text format too...

_________________
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-Stu

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LarsMiddendorf

Betreff des Beitrags:

Verfasst: Mo Dez 20, 2004 09:55

DGL Member

Registriert: Sa Dez 28, 2002 11:13
Beiträge: 2244

The three points in the q3 map file describe a plane and not a triangle. In the doom3 map the four values are from the plane equation. The first three numbers define the normal and the last is the distance from the origin.

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Betreff des Beitrags:

Verfasst: Mo Dez 20, 2004 16:56

DGL Member

Registriert: Mi Jul 21, 2004 22:39
Beiträge: 360
Wohnort: UK, Scotland

do u know how to work out the vertex cordinates for each "primitive" ? (doom 3)

_________________
Free Map Editor - Game Requirements - Stucuk.Net
-Stu

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