Difference between revisions of "Atomic (RW Section)"
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| − | {{RW Section|Atomic| | + | {{RW Section |
| + | | NAME = Atomic | ||
| + | | VENDORNAME = Criterion Games | ||
| + | | MODULENAME = Core | ||
| + | | MODULEID = 000000 | ||
| + | | IDENTIFIER = 14 | ||
| + | | PARENTS = [[Clump (RW Section)|Clump]] | ||
| + | | CHILDREN = [[Struct (RW Section)|Struct]], [[Geometry (RW Section)|Geometry]] ''([[Atomic (RW Section)#Nested Geometry|optional]])'' | ||
| + | | EXTENSIONS = [[Right To Render (RW Section)|Right To Render]], [[Particles PLG (RW Section)|Particles PLG]], [[Pipeline Set (RW Section)|Pipeline Set]], [[User Data PLG (RW Section)|User Data PLG]], [[Material Effects PLG (RW Section)|Material Effects PLG]] | ||
| + | }} | ||
| − | '''Atomic''' is a container section used in [[model file|DFF files]] as child of a [[Clump (RW Section)|Clump]] section. It is normally accompanied by a [[Struct (RW Section)#Atomic|Struct]] section. An atomic section can associate a [[Frame (RW Section)|Frame]] with a [[Geometry (RW Section)|Geometry]]. | + | '''Atomic''' is a container section used in [[model file|DFF files]] as child of a [[Clump (RW Section)|Clump]] section. It is normally accompanied by a [[Struct (RW Section)#Atomic|Struct]] section. An atomic section can associate a [[Frame List (RW Section)|Frame]] with a [[Geometry (RW Section)|Geometry]]. |
Atomics are - generally speaking - converted to draw-calls directly. They therefor resemble parts of the geometry (sub-geometries) that should be rendered "as one", utilizing a certain rendering pipeline. They are transformed from object-space directly or indirectly based on the transformation rules that are set for the Frame. | Atomics are - generally speaking - converted to draw-calls directly. They therefor resemble parts of the geometry (sub-geometries) that should be rendered "as one", utilizing a certain rendering pipeline. They are transformed from object-space directly or indirectly based on the transformation rules that are set for the Frame. | ||
| + | ==Structure== | ||
| − | |||
An atomic section contains Struct, Geometry (optional) and Extension sections. | An atomic section contains Struct, Geometry (optional) and Extension sections. | ||
A Struct section has 16 bytes in size (may be different in some RW versions). | A Struct section has 16 bytes in size (may be different in some RW versions). | ||
| + | |||
struct rwAtomicStruct | struct rwAtomicStruct | ||
{ | { | ||
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}; | }; | ||
| − | + | ====Flags==== | |
There are only 2 options available: | There are only 2 options available: | ||
| Line 24: | Line 34: | ||
0x04 rpATOMICRENDER - The atomic is rendered if it is in the view frustum. It's set to TRUE for all models by default. | 0x04 rpATOMICRENDER - The atomic is rendered if it is in the view frustum. It's set to TRUE for all models by default. | ||
| − | == | + | ==Nested Geometry== |
| − | + | ||
| + | An atomic may contain a [[Geometry (RW Section)|geometry]] as a child section. It may exist only if [[Clump (RW Section)|Clump]]'s [[Geometry List (RW Section)|Geometry List]] is empty. | ||
| − | + | {{N|SA|VC|3}} | |
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Revision as of 11:55, 11 September 2020
| Atomic | |
|---|---|
| RenderWare Stream Section | |
| Vendor | Criterion Games |
| Module | Core |
| Module ID | 0x000000
|
| Identifier | 0x14
|
| Chunk ID | 0x00000014
|
| Versions | All |
| Hierarchy | |
| Parents: Clump | |
| Children: Struct, Geometry (optional) | |
| Extensions: Right To Render, Particles PLG, Pipeline Set, User Data PLG, Material Effects PLG | |
| File Format | |
Atomic is a container section used in DFF files as child of a Clump section. It is normally accompanied by a Struct section. An atomic section can associate a Frame with a Geometry.
Atomics are - generally speaking - converted to draw-calls directly. They therefor resemble parts of the geometry (sub-geometries) that should be rendered "as one", utilizing a certain rendering pipeline. They are transformed from object-space directly or indirectly based on the transformation rules that are set for the Frame.
Structure
An atomic section contains Struct, Geometry (optional) and Extension sections. A Struct section has 16 bytes in size (may be different in some RW versions).
struct rwAtomicStruct
{
unsigned int frameIndex; // zero-based index
unsigned int geometryIndex; // zero-based index
unsigned int flags;
unsigned int unused; // sets to 0 by default
};
Flags
There are only 2 options available:
0x01 rpATOMICCOLLISIONTEST - A generic collision flag to indicate that the atomic should be considered in collision tests.
It wasn't used in GTA games since they don't use RW collision system.
0x04 rpATOMICRENDER - The atomic is rendered if it is in the view frustum. It's set to TRUE for all models by default.
Nested Geometry
An atomic may contain a geometry as a child section. It may exist only if Clump's Geometry List is empty.
