GLTFMesh.h

 /*
  * Copyright 2018-2021 ANSYS, Inc. Unauthorized use, distribution, or duplication is prohibited.
  * 
  * Restricted Rights Legend
  *
  * Use, duplication, or disclosure of this
  * software and its documentation by the
  * Government is subject to restrictions as
  * set forth in subdivision [(b)(3)(ii)] of
  * the Rights in Technical Data and Computer
  * Software clause at 52.227-7013.
  */
 #ifndef __INCLUDED_GLTF_GLTFMESH__
 #define __INCLUDED_GLTF_GLTFMESH__
  
 #include "GLTFCommon.h"
 #include "GLTFObject.h"
  
 namespace ANSYS { namespace Nexus { namespace GLTFWriter {
     class GLTF;
     class Attribute;
     class Index;
     class Material;
     class Texture;
  
     class Primitive : public Object
     {
     public:
         enum PrimitiveType
         {
             PT_POINTS = 0, 
             PT_LINES = 1, 
             PT_LINE_LOOP = 2, 
             PT_LINE_STRIP = 3, 
             PT_TRIANGLES = 4, 
             PT_TRIANGLE_STRIP = 5, 
             PT_TRIANGLE_FAN = 6 
         };
         enum PrimitiveXAttachment
         {
             PXA_NONE, 
             PXA_LEFT, 
             PXA_CENTER, 
             PXA_RIGHT 
         };
         enum PrimitiveYAttachment
         {
             PYA_NONE, 
             PYA_BOTTOM, 
             PYA_CENTER, 
             PYA_TOP 
         };
  
     protected:
         virtual ~Primitive() {}
  
     public:
         static GLTFWRITERSPEC Primitive *Create(GLTF *gltf, 
             PrimitiveType type, 
             Material *material, 
             Index *indices = 0, 
             bool isPickable = true 
         );
  
         GLTFWRITERSPEC virtual Primitive *Mirror() = 0;
         GLTFWRITERSPEC virtual bool AppendAttribute(Attribute *attribute 
         ) = 0;
         static GLTFWRITERSPEC Primitive *Create2DTexture(GLTF *gltf, 
             Texture *texture, 
             float width, 
             float height, 
             PrimitiveXAttachment xAttach = PXA_LEFT, 
             PrimitiveYAttachment yAttach = PYA_CENTER 
         );
         static GLTFWRITERSPEC Primitive *Create2DTexture(GLTF *gltf, 
             Texture *texture, 
             float width, 
             float height, 
             float x = 0, 
             float y = 0 
         );
     };
  
     class Mesh : public Object
     {
     protected:
         virtual ~Mesh() {}
  
     public:
         static GLTFWRITERSPEC Mesh *Create(GLTF *gltf 
         );
  
         GLTFWRITERSPEC virtual Mesh *Mirror() = 0;
         GLTFWRITERSPEC virtual bool AppendPrimitive(Primitive *primitive 
         ) = 0;
         GLTFWRITERSPEC virtual unsigned int NumPrimitives() const = 0;
     };
  
 } } }
  
 #endif
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