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- // Copyright (C) 2002-2012 Nikolaus Gebhardt
- // This file is part of the "Irrlicht Engine".
- // For conditions of distribution and use, see copyright notice in irrlicht.h
- #ifndef __I_MESH_H_INCLUDED__
- #define __I_MESH_H_INCLUDED__
- #include "IReferenceCounted.h"
- #include "SMaterial.h"
- #include "EHardwareBufferFlags.h"
- namespace irr
- {
- namespace scene
- {
- //! Possible types of meshes.
- // Note: Was previously only used in IAnimatedMesh so it still has the "animated" in the name.
- // But can now be used for all mesh-types as we need those casts as well.
- enum E_ANIMATED_MESH_TYPE
- {
- //! Unknown animated mesh type.
- EAMT_UNKNOWN = 0,
- //! Quake 2 MD2 model file
- EAMT_MD2,
- //! Quake 3 MD3 model file
- EAMT_MD3,
- //! Maya .obj static model
- EAMT_OBJ,
- //! Quake 3 .bsp static Map
- EAMT_BSP,
- //! 3D Studio .3ds file
- EAMT_3DS,
- //! My3D Mesh, the file format by Zhuck Dimitry
- EAMT_MY3D,
- //! Pulsar LMTools .lmts file. This Irrlicht loader was written by Jonas Petersen
- EAMT_LMTS,
- //! Cartography Shop .csm file. This loader was created by Saurav Mohapatra.
- EAMT_CSM,
- //! .oct file for Paul Nette's FSRad or from Murphy McCauley's Blender .oct exporter.
- /** The oct file format contains 3D geometry and lightmaps and
- can be loaded directly by Irrlicht */
- EAMT_OCT,
- //! Halflife MDL model file
- EAMT_MDL_HALFLIFE,
- //! generic skinned mesh
- EAMT_SKINNED,
- //! generic non-animated mesh
- EAMT_STATIC
- };
- class IMeshBuffer;
- //! Class which holds the geometry of an object.
- /** An IMesh is nothing more than a collection of some mesh buffers
- (IMeshBuffer). SMesh is a simple implementation of an IMesh.
- A mesh is usually added to an IMeshSceneNode in order to be rendered.
- */
- class IMesh : public virtual IReferenceCounted
- {
- public:
- //! Get the amount of mesh buffers.
- /** \return Amount of mesh buffers (IMeshBuffer) in this mesh. */
- virtual u32 getMeshBufferCount() const = 0;
- //! Get pointer to a mesh buffer.
- /** \param nr: Zero based index of the mesh buffer. The maximum value is
- getMeshBufferCount() - 1;
- \return Pointer to the mesh buffer or 0 if there is no such
- mesh buffer. */
- virtual IMeshBuffer* getMeshBuffer(u32 nr) const = 0;
- //! Get pointer to a mesh buffer which fits a material
- /** \param material: material to search for
- \return Pointer to the mesh buffer or 0 if there is no such
- mesh buffer. */
- virtual IMeshBuffer* getMeshBuffer( const video::SMaterial &material) const = 0;
- //! Get an axis aligned bounding box of the mesh.
- /** \return Bounding box of this mesh. */
- virtual const core::aabbox3d<f32>& getBoundingBox() const = 0;
- //! Set user-defined axis aligned bounding box
- /** \param box New bounding box to use for the mesh. */
- virtual void setBoundingBox( const core::aabbox3df& box) = 0;
- //! Sets a flag of all contained materials to a new value.
- /** \param flag: Flag to set in all materials.
- \param newvalue: New value to set in all materials. */
- virtual void setMaterialFlag(video::E_MATERIAL_FLAG flag, bool newvalue) = 0;
- //! Set the hardware mapping hint
- /** This methods allows to define optimization hints for the
- hardware. This enables, e.g., the use of hardware buffers on
- platforms that support this feature. This can lead to noticeable
- performance gains. */
- virtual void setHardwareMappingHint(E_HARDWARE_MAPPING newMappingHint, E_BUFFER_TYPE buffer=EBT_VERTEX_AND_INDEX) = 0;
- //! Flag the meshbuffer as changed, reloads hardware buffers
- /** This method has to be called every time the vertices or
- indices have changed. Otherwise, changes won't be updated
- on the GPU in the next render cycle. */
- virtual void setDirty(E_BUFFER_TYPE buffer=EBT_VERTEX_AND_INDEX) = 0;
- //! Returns the type of the meshes.
- /** This is useful for making a safe downcast. For example,
- if getMeshType() returns EAMT_MD2 it's safe to cast the
- IMesh to IAnimatedMeshMD2.
- Note: It's no longer just about animated meshes, that name has just historical reasons.
- \returns Type of the mesh */
- virtual E_ANIMATED_MESH_TYPE getMeshType() const
- {
- return EAMT_STATIC;
- }
- };
- } // end namespace scene
- } // end namespace irr
- #endif
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