Monogame Content Pipeline practices
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This document discusses Monogame's content pipeline for importing, processing, and writing 3D models and their associated data. It describes built-in importers and processors for common formats like FBX, OBJ, and MP3. It also discusses a custom BIM importer, processor, and content type writer that handle IFC format files and extract building information model (BIM) data like wall attributes. The BIM processor organizes a model's vertices, meshes, bones and tags with BIM data. Ray casting is also briefly explained to select the closest intersecting mesh from a tapped position on a BIM model.
![BIM Model Processor
Content
Processor
Model
Processor
BIM Model
Processor
Model
Bones
Meshes
Root
Tag
Tag
BIM Model
Tag
Meshes Tag
[Vertices]
[Bim Attributes]
NULL
FBX Format
(X1, Y1, Z1), (X2, Y2, Z2), (X3, Y3, Z3)...
Wall_A (Name, Angle, Width, Height, …)
Roof_B (Name, Length, Structure, Comment…)
[Vertices]
[BIM Data]](https://image.slidesharecdn.com/mgcppractices-170818145922/85/Monogame-Content-Pipeline-practices-4-320.jpg)
![BIM Model Content Type Writer / Reader
Content
Type Writer
XNB
Bones
Meshes
Root
Tag
Tag
[Vertices]
[Bim Attributes]
BIM Model](https://image.slidesharecdn.com/mgcppractices-170818145922/85/Monogame-Content-Pipeline-practices-5-320.jpg)
Monogame Content Pipeline practices
- 1. Monogame Content Pipleline practices MINH NGUYEN @LINKNODE JULY, 2016
- 2. Monogame Content Pipleline Source Asset File Content Importer Object A Content Processor Object B Content Type Writer .XNB File Content Type Reader Object C Your Game Build Time Run Time .FBX .MP3 .Font …. .IFC Fbx Importer (built-in) MP3 Importer Font Importer …. BIM Importer Model Processor (built-in) MP3 Processor Font Importer …. BIM Model Processor
- 3. BIM Importer Content Importer BIM Importer IFC Format FBX Format IFC OBJ FBX
- 4. BIM Model Processor Content Processor Model Processor BIM Model Processor Model Bones Meshes Root Tag Tag BIM Model Tag Meshes Tag [Vertices] [Bim Attributes] NULL FBX Format (X1, Y1, Z1), (X2, Y2, Z2), (X3, Y3, Z3)... Wall_A (Name, Angle, Width, Height, …) Roof_B (Name, Length, Structure, Comment…) [Vertices] [BIM Data]
- 5. BIM Model Content Type Writer / Reader Content Type Writer XNB Bones Meshes Root Tag Tag [Vertices] [Bim Attributes] BIM Model
- 6. Ray Casting Tap Ray Vector For each Mesh in Model: Check Ray Vector intersect Mesh? Tap Ray Vector: (x, y, 0) (x, y, 1)Tap position: (x, y) Check if any triangle intersects with Ray vector? Choose the Mesh which is closest to the Ray intersectionMesh vertices (Mesh.Tag.Vertices) Mesh triangles Extract Bim Data (Mesh.Tag.BimData)
- 7. Demo - Q&A MGCP GUI tool to select external extend DLL UPAR App