LCOV - code coverage report
Current view: top level - source/renderer - Scene.h (source / functions) Hit Total Coverage
Test: 0 A.D. test coverage report Lines: 0 2 0.0 %
Date: 2022-03-08 13:03:03 Functions: 0 4 0.0 %

          Line data    Source code
       1             : /* Copyright (C) 2021 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : /**
      19             :  * File        : Scene.h
      20             :  * Project     : graphics
      21             :  * Description : This file contains the interfaces that are used to send a
      22             :  *             : scene to the renderer, and for the renderer to query objects
      23             :  *             : in that scene.
      24             :  *
      25             :  * @note This file would fit just as well into the graphics/ subdirectory.
      26             :  **/
      27             : 
      28             : #ifndef INCLUDED_SCENE
      29             : #define INCLUDED_SCENE
      30             : 
      31             : class CFrustum;
      32             : class CModel;
      33             : class CModelAbstract;
      34             : class CModelDecal;
      35             : class CParticleEmitter;
      36             : class CPatch;
      37             : class CLOSTexture;
      38             : class CMiniMapTexture;
      39             : class CTerritoryTexture;
      40             : struct SOverlayLine;
      41             : struct SOverlayTexturedLine;
      42             : struct SOverlaySprite;
      43             : struct SOverlayQuad;
      44             : struct SOverlaySphere;
      45             : 
      46             : class SceneCollector;
      47             : 
      48             : /**
      49             :  * This interface describes a scene to the renderer.
      50             :  *
      51             :  * @see CRenderer::RenderScene
      52             :  */
      53             : class Scene
      54             : {
      55             : public:
      56           0 :     virtual ~Scene() {}
      57             : 
      58             :     /**
      59             :      * Send all objects that can be seen when rendering the given frustum
      60             :      * to the scene collector.
      61             :      * @param frustum The frustum that will be used for rendering.
      62             :      * @param c The scene collector that should receive objects inside the frustum
      63             :      *  that are visible.
      64             :      */
      65             :     virtual void EnumerateObjects(const CFrustum& frustum, SceneCollector* c) = 0;
      66             : 
      67             :     /**
      68             :      * Return the LOS texture to be used for rendering this scene.
      69             :      */
      70             :     virtual CLOSTexture& GetLOSTexture() = 0;
      71             : 
      72             :     /**
      73             :      * Return the territory texture to be used for rendering this scene.
      74             :      */
      75             :     virtual CTerritoryTexture& GetTerritoryTexture() = 0;
      76             : 
      77             :     /**
      78             :      * Return the minimap texture to be used for rendering this scene.
      79             :      */
      80             :     virtual CMiniMapTexture& GetMiniMapTexture() = 0;
      81             : };
      82             : 
      83             : 
      84             : /**
      85             :  * This interface accepts renderable objects.
      86             :  *
      87             :  * @see Scene::EnumerateObjects
      88             :  */
      89             : class SceneCollector
      90             : {
      91             : public:
      92           0 :     virtual ~SceneCollector() {}
      93             : 
      94             :     /**
      95             :      * Submit a terrain patch that is part of the scene.
      96             :      */
      97             :     virtual void Submit(CPatch* patch) = 0;
      98             : 
      99             :     /**
     100             :      * Submit a line-based overlay.
     101             :      */
     102             :     virtual void Submit(SOverlayLine* overlay) = 0;
     103             : 
     104             :     /**
     105             :      * Submit a textured line overlay.
     106             :      */
     107             :     virtual void Submit(SOverlayTexturedLine* overlay) = 0;
     108             : 
     109             :     /**
     110             :      * Submit a sprite overlay.
     111             :      */
     112             :     virtual void Submit(SOverlaySprite* overlay) = 0;
     113             : 
     114             :     /**
     115             :      * Submit a textured quad overlay.
     116             :      */
     117             :     virtual void Submit(SOverlayQuad* overlay) = 0;
     118             : 
     119             :     /**
     120             :      * Submit a sphere overlay.
     121             :      */
     122             :     virtual void Submit(SOverlaySphere* overlay) = 0;
     123             : 
     124             :     /**
     125             :      * Submit a terrain decal.
     126             :      */
     127             :     virtual void Submit(CModelDecal* decal) = 0;
     128             : 
     129             :     /**
     130             :      * Submit a particle emitter.
     131             :      */
     132             :     virtual void Submit(CParticleEmitter* emitter) = 0;
     133             : 
     134             :     /**
     135             :      * Submit a model that is part of the scene,
     136             :      * without submitting attached models.
     137             :      */
     138             :     virtual void SubmitNonRecursive(CModel* model) = 0;
     139             : 
     140             :     /**
     141             :      * Submit a model that is part of the scene,
     142             :      * including attached sub-models.
     143             :      *
     144             :      * @note This function is implemented using SubmitNonRecursive,
     145             :      * so you shouldn't have to reimplement it.
     146             :      */
     147             :     virtual void SubmitRecursive(CModelAbstract* model);
     148             : };
     149             : 
     150             : 
     151             : #endif // INCLUDED_SCENE

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