src/client/clientmap.h

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #pragma once
  21
  22 #include "irrlichttypes_extrabloated.h"
  23 #include "map.h"
  24 #include "camera.h"
  25 #include <set>
  26 #include <map>
  27
  28 struct MapDrawControl
  29 {
  30         // Overrides limits by drawing everything
  31         bool range_all = false;
  32         // Wanted drawing range
  33         float wanted_range = 0.0f;
  34         // show a wire frame for debugging
  35         bool show_wireframe = false;
  36 };
  37
  38 class Client;
  39 class ITextureSource;
  40
  41 /*
  42         ClientMap
  43
  44         This is the only map class that is able to render itself on screen.
  45 */
  46
  47 class ClientMap : public Map, public scene::ISceneNode
  48 {
  49 public:
  50         ClientMap(
  51                         Client *client,
  52                         MapDrawControl &control,
  53                         s32 id
  54         );
  55
  56         virtual ~ClientMap() = default;
  57
  58         s32 mapType() const
  59         {
  60                 return MAPTYPE_CLIENT;
  61         }
  62
  63         void drop()
  64         {
  65                 ISceneNode::drop();
  66         }
  67
  68         void updateCamera(const v3f &pos, const v3f &dir, f32 fov, const v3s16 &offset)
  69         {
  70                 m_camera_position = pos;
  71                 m_camera_direction = dir;
  72                 m_camera_fov = fov;
  73                 m_camera_offset = offset;
  74         }
  75
  76         /*
  77                 Forcefully get a sector from somewhere
  78         */
  79         MapSector * emergeSector(v2s16 p);
  80
  81         //void deSerializeSector(v2s16 p2d, std::istream &is);
  82
  83         /*
  84                 ISceneNode methods
  85         */
  86
  87         virtual void OnRegisterSceneNode();
  88
  89         virtual void render()
  90         {
  91                 video::IVideoDriver* driver = SceneManager->getVideoDriver();
  92                 driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
  93                 renderMap(driver, SceneManager->getSceneNodeRenderPass());
  94         }
  95
  96         virtual const aabb3f &getBoundingBox() const
  97         {
  98                 return m_box;
  99         }
 100
 101         void getBlocksInViewRange(v3s16 cam_pos_nodes,
 102                 v3s16 *p_blocks_min, v3s16 *p_blocks_max);
 103         void updateDrawList();
 104         void renderMap(video::IVideoDriver* driver, s32 pass);
 105
 106         int getBackgroundBrightness(float max_d, u32 daylight_factor,
 107                         int oldvalue, bool *sunlight_seen_result);
 108
 109         void renderPostFx(CameraMode cam_mode);
 110
 111         // For debug printing
 112         virtual void PrintInfo(std::ostream &out);
 113
 114         const MapDrawControl & getControl() const { return m_control; }
 115         f32 getCameraFov() const { return m_camera_fov; }
 116 private:
 117         Client *m_client;
 118
 119         aabb3f m_box = aabb3f(-BS * 1000000, -BS * 1000000, -BS * 1000000,
 120                 BS * 1000000, BS * 1000000, BS * 1000000);
 121
 122         MapDrawControl &m_control;
 123
 124         v3f m_camera_position = v3f(0,0,0);
 125         v3f m_camera_direction = v3f(0,0,1);
 126         f32 m_camera_fov = M_PI;
 127         v3s16 m_camera_offset;
 128
 129         std::map<v3s16, MapBlock*> m_drawlist;
 130
 131         std::set<v2s16> m_last_drawn_sectors;
 132
 133         bool m_cache_trilinear_filter;
 134         bool m_cache_bilinear_filter;
 135         bool m_cache_anistropic_filter;
 136 };