dynamicmesh.h

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/*
        Scalable Building Simulator - Dynamic Mesh
        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_DYNAMICMESH_H
#define _SBS_DYNAMICMESH_H
 
namespace SBS {
 
class SBSIMPEXP DynamicMesh : public ObjectBase
{
public:
 
        bool force_combine; //if set to true, forces combined meshes
 
        DynamicMesh(Object *parent, SceneNode *node, const std::string &name, Real max_render_distance = 0, bool dynamic_buffers = false);
        ~DynamicMesh();
        void Enabled(bool value, MeshObject *client = 0);
        bool ChangeTexture(const std::string &old_texture, const std::string &new_texture, MeshObject *client = 0);
        void EnableDebugView(bool value, MeshObject *client = 0);
        bool IsVisible(MeshObject *client = 0);
        bool IsVisible(Ogre::Camera *camera, MeshObject *client = 0);
        bool IsVisible(Ogre::Camera *camera, int mesh_index);
        void Prepare(MeshObject *client = 0);
        bool LoadFromFile(const std::string &filename, const std::string &path);
        bool LoadFromMesh(const std::string &meshname);
        void AddClient(MeshObject *mesh);
        void RemoveClient(MeshObject *mesh);
        MeshObject* GetClient(int number);
        int GetClientIndex(MeshObject *client);
        int GetClientCount() { return (int)clients.size(); }
        void NeedsUpdate(MeshObject *client = 0);
        int GetMaterials(std::vector<std::string> &materials, int client = -1);
        int GetMaterialCount(int client = -1);
        unsigned int GetVertexCount(const std::string &material = "", int client = -1);
        unsigned int GetTriangleCount(const std::string &material, int &client_count, int client = -1);
        unsigned int GetIndexOffset(MeshObject *client);
        bool UseDynamicBuffers() { return dynamic_buffers; }
        void UpdateVertices(MeshObject *client, const std::string &material = "", Polygon *polygon = 0, bool single = false);
        void DetachClient(MeshObject *client);
        int GetMeshCount() { return (int)meshes.size(); }
        int GetSubMeshCount(int mesh_index);
        std::string GetMeshName(int mesh_index);
        Ogre::AxisAlignedBox GetBounds(MeshObject *client = 0);
        void EnableShadows(bool value);
        void SetMaterial(const std::string& material);
 
private:
 
        //raw mesh wrapper
        struct Mesh
        {
                struct Submesh;
 
                Mesh(DynamicMesh *parent, const std::string &name, SceneNode *node, Real max_render_distance, const std::string &filename = "", const std::string &meshname = "", const std::string & path = "");
                ~Mesh();
                void Enabled(bool value);
                bool ChangeTexture(const std::string &old_texture, const std::string &new_texture);
                int FindMatchingSubMesh(const std::string &material);
                Submesh* CreateSubMesh(const std::string &material);
                void DeleteSubMesh(int client, int index);
                void Prepare(bool process_vertices = true, int client = -1);
                void EnableDebugView(bool value);
                bool IsVisible();
                bool IsVisible(Ogre::Camera *camera);
                int GetSubMeshCount();
                void UpdateVertices(int client, const std::string &material, Polygon *polygon = 0, bool single = false);
                void Detach();
                void UpdateBoundingBox();
                void EnableShadows(bool value);
                void SetMaterial(const std::string& material);
 
                struct ClientEntry
                {
                        unsigned int vertex_offset;
                        unsigned int vertex_count;
                        Ogre::AxisAlignedBox* bounds;
                        Real radius;
                };
 
                struct Submesh
                {
                        Ogre::SubMesh* object;
                        int clients;
                        std::string material;
                };
 
                std::string name;
                Ogre::MeshPtr MeshWrapper; //mesh
                std::vector<Submesh> Submeshes; //submeshes (per-material mesh)
                std::vector<ClientEntry> client_entries; //per-client information
                Ogre::Entity *Movable;
                SceneNode *node;
                DynamicMesh *Parent;
                ::SBS::SBS *sbs;
                bool enabled;
                bool prepared;
                bool auto_shadows;
                bool parent_deleting;
        };
 
        std::vector<Mesh*> meshes;
        SceneNode *node;
        Real render_distance;
        bool file_model;
        std::vector<MeshObject*> clients;
        std::vector<bool> client_enable;
        bool prepared;
        bool dynamic_buffers;
        bool auto_combine;
};
 
}
 
#endif