TerrainObjectManager.h

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/*
    This source file is part of Rigs of Rods
    Copyright 2005-2012 Pierre-Michel Ricordel
    Copyright 2007-2012 Thomas Fischer
    Copyright 2013-2023 Petr Ohlidal
 
    For more information, see http://www.rigsofrods.org/
 
    Rigs of Rods is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 3, as
    published by the Free Software Foundation.
 
    Rigs of Rods 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 Rigs of Rods. If not, see <http://www.gnu.org/licenses/>.
*/
 
 
#pragma once
 
#include "Application.h"
 
#include "ODefFileFormat.h"
#include "MeshObject.h"
#include "ProceduralManager.h"
#include "SurveyMapEntity.h"
 
#ifdef USE_PAGED
#include "PagedGeometry.h"
#include "TreeLoader2D.h"
#include "TreeLoader3D.h"
#include "BatchPage.h"
#include "GrassLoader.h"
#include "ImpostorPage.h"
#endif //USE_PAGED
 
#include <map>
#include <unordered_map>
#include <vector>
 
namespace RoR {
 
 
struct Localizer
{
    LocalizerType type;
    Ogre::Vector3 position;
    Ogre::Quaternion rotation;
};
struct Localizer {…};
typedef std::vector<Localizer> LocalizerVec;
 
class TerrainObjectManager: public RefCountingObject<TerrainObjectManager>
{
    friend class Terrain;
public:
 
    TerrainObjectManager(Terrain* terrainManager);
    ~TerrainObjectManager();
 
    TerrainEditorObjectPtrVec& GetEditorObjects() { return m_editor_objects; }
    std::vector<TObjDocumentPtr>& GetTobjCache() { return m_tobj_cache; }
    void           LoadTObjFile(Ogre::String filename);
    bool           LoadTerrainObject(const Ogre::String& name, const Ogre::Vector3& pos, const Ogre::Vector3& rot, const Ogre::String& instancename, const Ogre::String& type, float rendering_distance = 0, bool enable_collisions = true, int scripthandler = -1, bool uniquifyMaterial = false);
    bool           LoadTerrainScript(const Ogre::String& filename);
    void           moveObjectVisuals(const Ogre::String& instancename, const Ogre::Vector3& pos);
    void           destroyObject(const Ogre::String& instancename);
    void           LoadTelepoints();
    void           SpawnSinglePredefinedActor(TerrainEditorObjectPtr const& object);
    bool           GetEditorObjectFlagRotYXZ(TerrainEditorObjectPtr const& object);
    void           LoadPredefinedActors();
    bool           HasPredefinedActors() { return m_has_predefined_actors; };
    bool           UpdateTerrainObjects(float dt);
 
    void ProcessTree(
        float yawfrom, float yawto,
        float scalefrom, float scaleto,
        char* ColorMap, char* DensityMap, char* treemesh, char* treeCollmesh,
        float gridspacing, float highdens,
        int minDist, int maxDist, int mapsizex, int mapsizez);
 
    void ProcessGrass(
        float SwaySpeed, float SwayLength, float SwayDistribution, float Density,
        float minx, float miny, float minH, float maxx, float maxy, float maxH,
        char* grassmat, char* colorMapFilename, char* densityMapFilename,
        int growtechnique, int techn, int range, int mapsizex, int mapsizez);
 
    void ProcessPredefinedActor(int tobj_cache_id, const std::string& name, const Ogre::Vector3 position, const Ogre::Vector3 rotation, const TObjSpecialObject type);
 
    LocalizerVec& GetLocalizers() { return m_localizers; }
 
    ProceduralManagerPtr& getProceduralManager() { return m_procedural_manager; }
    Ogre::SceneNode* getGroupingSceneNode();
 
protected:
 
    struct AnimatedObject
    {
        Ogre::Entity* ent;
        Ogre::SceneNode* node;
        Ogre::AnimationState* anim;
        float speedfactor;
    };
    struct AnimatedObject {…};
 
    struct ParticleEffectObject
    {
        Ogre::ParticleSystem* psys = nullptr;
        Ogre::SceneNode* node = nullptr;
    };
    struct ParticleEffectObject {…};
 
    // ODef processing functions
 
    RoR::ODefDocument* FetchODef(std::string const & odef_name);
    void           ProcessODefCollisionBoxes(TerrainEditorObjectPtr obj, ODefDocument* odef, const TerrainEditorObjectPtr& params, bool race_event);
    
    // Update functions
 
    void           UpdateAnimatedObjects(float dt);
    void           UpdateParticleEffectObjects();
 
    // Helpers
 
    TerrainEditorObjectID_t FindEditorObjectByInstanceName(std::string const& instance_name); 
 
    // Variables
 
    LocalizerVec                          m_localizers;
    std::unordered_map<std::string, std::shared_ptr<RoR::ODefDocument>> m_odef_cache;
    std::vector<TObjDocumentPtr>          m_tobj_cache;
    int                                   m_tobj_cache_active_id = -1;
    TerrainEditorObjectPtrVec             m_editor_objects;
    bool                                  m_has_predefined_actors = false;
    std::vector<AnimatedObject>           m_animated_objects;
    std::vector<ParticleEffectObject>     m_particle_effect_objects;
    std::vector<MeshObject*>              m_mesh_objects;
    SurveyMapEntityVec                    m_map_entities;
    Terrain*                  terrainManager = nullptr;
    ProceduralManagerPtr      m_procedural_manager;
    int                       m_entity_counter = 0;
    Ogre::SceneNode*          m_terrn2_grouping_node = nullptr; 
    Ogre::SceneNode*          m_tobj_grouping_node = nullptr; 
    Ogre::SceneNode*          m_angelscript_grouping_node = nullptr; 
 
#ifdef USE_PAGED
    std::vector<Forests::PagedGeometry*> m_paged_geometry;
#endif //USE_PAGED
};
class TerrainObjectManager: public RefCountingObject<TerrainObjectManager> {…};
 
 
} // namespace RoR