XML:M3GM: Difference between revisions

XML:M3GM (view source)

Revision as of 13:54, 29 April 2013

3,135 bytes added , 29 April 2013

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 ==M3GM==
+{| class="wikitable" width="100%"
+!width=200px| XML tag
+!width=100px| content type
+! description
+|-
+| <M3GM id="...">
+| integer
+|
+|-
+|valign=top| <Points>
+|valign=top| link
+| "#" + instance Id of [[#PNTA|PNTA]].
+: XYZ and UV coordinates are stored in parallel (same number of entries in PNTA and TXCA).
+|-
+|valign=top| <VertexNormals>
+|valign=top| link
+| "#" + instance Id of [[#VCRA|VCRA]].
+: The first VCRA stores the normals for every vertex (same entries as in PNTA and TXCA).
+: Vertex normals are used by Gouraud shading (directional lighting).
+|-
+|valign=top| <FaceNormals>
+|valign=top| link
+| "#" + instance Id of [[#VCRA|VCRA]].
+: The second VCRA stores the normals for every face (groups defined by the second IDXA).
+: Face normals are used for backface culling.
+|-
+|valign=top| <TextureCoordinates>
+|valign=top| link
+| "#" + instance Id of [[#TXCA|TXCA]].
+: Vertex UVs.
+|-
+|valign=top| <TriangleStrips>
+|valign=top| link
+| "#" + instance Id of [[#IDXA|IDXA]].
+: The first IDXA lists the triangles as strips. The IDs are the ones in PNTA and IDXA.
+: The start of a new strip is signaled by a high bit in the ID of its first vertex.
+: Strips are more optimal for rendering, they are generated when authoring an M3GM.
+|-
+|valign=top| <FaceNormalIndices>
+|valign=top| link
+| "#" + instance Id of [[#IDXA|IDXA]].
+: The second IDXA groups the triangles into faces (oriented by the second VCRA).
+|-
+| <Texture>
+| link
+| TXMP''name''
+|}
 ===PNTA===
+{| class="wikitable" width="100%"
+!width=200px| XML tag
+!width=100px| content type
+! description
+|-
+| <PNTA id="...">
+| integer
+| Instance Id.
+|-
+| <BoundingBox>
+| -
+|
+|-
+| <Min>
+| float x3
+|
+|-
+| <Max>
+| float x3
+|
+|-
+| <BoundingSphere>
+| -
+|
+|-
+| <nowiki><Center></nowiki>
+| float x3
+|
+|-
+| <Radius>
+| float
+|
+|-
+| <Positions>
+| -
+| This is an int32 array for the <Vector3> tags.
+|-
+| <Vector3>
+| float x3
+| X Y Z coordinate of the point.
+|}
 ===VCRA===
+{| class="wikitable" width="100%"
+!width=200px| XML tag
+!width=100px| content type
+! description
+|-
+| <VCRA id="...">
+| integer
+| Instance Id.
+|-
+| <Normals>
+| -
+| This is an int32 array for the <Vector3> tags.
+|-
+| <Vector3>
+| float x3
+| X Y Z coordinate of the normal vector.
+|}
-===VCRA===
 ===TXCA===
+{| class="wikitable" width="100%"
+!width=200px| XML tag
+!width=100px| content type
+! description
+|-
+| <TXCA id="...">
+| integer
+| Instance Id.
+|-
+| <TexCoords>
+| -
+| This is an int32 array for the <Vector2> tags.
+|-
+| <Vector2>
+| float x2
+| X Y coordinates.
+|}
 ===IDXA===
+{| class="wikitable" width="100%"
+!width=200px| XML tag
+!width=100px| content type
+! description
+|-
+| <IDXA id="...">
+| integer
+| Instance Id.
+|-
+| <Indices>
+| -
+| This is an int32 array for the <Int32> tags.
+|-
+|valign=top| <Int32>
+|valign=top| int32
+|
+; [[OBD:IDXA_M3GM_1|First IDXA]]
+: PNTA element ID (used to build triangles with the points of the PNTA instance)
+; [[OBD:IDXA_M3GM_2|Second IDXA]]
+: VCRA element ID (used to assign the normals to every triangle)
+|}
-===IDXA===
 ==Export==
+ onisplit -extract:obj ''output_folder input_folder''/M3GM''file_name''.oni
+Or use [[Vago_(tool)|Vago]].
 ==Import==
+ onisplit -create:m3gm ''output_folder'' -tex:''input_folder''/TXMP''file_name''.oni ''input_folder''/''file_name''.obj
+Or use [[Vago_(tool)|Vago]].
 {{XML}}