mesh.h

Go to the documentation of this file.

/*
        Scalable Building Simulator - Mesh Object
        The Skyscraper Project - Version 2.0
        Copyright (C)2004-2024 Ryan Thoryk
        https://www.skyscrapersim.net
        https://sourceforge.net/projects/skyscraper/
        Contact - ryan@skyscrapersim.net
 
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU General Public License
        as published by the Free Software Foundation; either version 2
        of the License, or (at your option) any later version.
 
        This program is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.
 
        You should have received a copy of the GNU General Public License
        along with this program; if not, write to the Free Software
        Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
 
#ifndef _SBS_MESH_H
#define _SBS_MESH_H
 
#include "triangle.h"
 
namespace SBS {
 
struct Extents
{
        unsigned int min;
        unsigned int max;
 
        Extents(unsigned int min, unsigned int max)
        {
                this->min = min;
                this->max = max;
        }
};
 
class SBSIMPEXP MeshObject : public Object
{
public:
        std::string name; //mesh name
        bool create_collider; //set to false if collider shouldn't be automatically generated
        bool tricollider; //collider type; box if false, triangle if true
        bool remove_on_disable; //if true (the default), remove the collider from world when disabling mesh
 
        MeshObject(Object* parent, const std::string &name, DynamicMesh* wrapper = 0, const std::string &filename = "", const std::string &meshname = "", Real max_render_distance = 0, Real scale_multiplier = 1, bool create_collider = true, bool dynamic_buffers = false);
        virtual ~MeshObject();
        void Enabled(bool value);
        void EnableCollider(bool value);
        bool IsEnabled();
        Wall* CreateWallObject(const std::string &name);
        Wall* GetWallByName(std::string name);
        void Prepare(bool force = false);
        void EnableDebugView(bool value);
        void CreateColliderFromModel(int &vertex_count, Vector3* &vertices, int &index_count, unsigned long* &indices);
        void CreateBoxCollider();
        void DeleteWalls();
        void DeleteWalls(Object *parent);
        Vector3 GetPoint(const std::string &wallname, const Vector3 &start, const Vector3 &end);
        Vector3 GetWallExtents(const std::string &name, Real altitude, bool get_max);
        void OnMove(bool parent);
        void OnRotate(bool parent);
        bool IsVisible(Ogre::Camera *camera);
        bool IsPhysical();
        Vector3 GetOffset();
        void Cut(Vector3 start, Vector3 end, bool cutwalls, bool cutfloors, int checkwallnumber = 0, bool reset_check = true);
        void CutOutsideBounds(Vector3 start, Vector3 end, bool cutwalls, bool cutfloors);
        bool UsingDynamicBuffers();
        void GetBounds();
        void ChangeHeight(Real newheight);
        void EnableShadows(bool value);
        PolyMesh* GetPolyMesh();
        bool IsPrepared();
        void ResetPrepare();
        bool ReplaceTexture(const std::string &oldtexture, const std::string &newtexture);
        bool ChangeTexture(const std::string &texture, bool matcheck = true);
        Vector2 GetExtents(int coord, bool flip_z = false);
        Real GetHeight();
        Real HitBeam(const Vector3 &origin, const Vector3 &direction, Real max_distance);
        void CreateCollider();
        void DeleteCollider();
        Wall* FindPolygon(const std::string &name, int &index);
        bool InBoundingBox(const Vector3 &pos, bool check_y);
        DynamicMesh* GetDynamicMesh();
        void GetMeshInformation(const Ogre::Mesh* const mesh, int &vertex_count, Vector3* &vertices, int &index_count, unsigned long* &indices, Ogre::AxisAlignedBox &extents);
        unsigned int GetVertexCount();
        unsigned int GetTriangleCount(const std::string &material, bool total);
        bool LoadFromMesh(const std::string &meshname);
        void SetMaterial(const std::string& material);
        void EnablePhysics(bool value, Real restitution = 0, Real friction = 0, Real mass = 0);
        size_t GetSize();
 
        DynamicMesh *MeshWrapper; //dynamic mesh this mesh object uses
        std::vector<Wall*> Walls; //associated wall (polygon container) objects
 
        SceneNode *collider_node; //collider scenenode for box collider offsets
        Ogre::AxisAlignedBox *Bounds; //mesh bounds
 
        OgreBulletDynamics::RigidBody* mBody;
        OgreBulletCollisions::CollisionShape* mShape;
 
        std::string Filename; //filename, if a loaded model
        std::string Meshname; //name of loaded Ogre mesh (used for primitives)
        bool model_loaded; //true if a model was loaded successfully
 
private:
        bool enabled;
        bool is_physical;
        Real restitution, friction, mass;
        bool prepared;
        bool wrapper_selfcreate;
        bool LoadFromFile(const std::string &filename);
        bool LoadColliderModel(Ogre::MeshPtr &collidermesh);
 
        PolyMesh *polymesh;
        Ogre::MeshPtr collidermesh;
        size_t size;
};
 
}
 
#endif