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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #pragma once
- #include "irrlichttypes_extrabloated.h"
- #include "map.h"
- #include "camera.h"
- #include <set>
- #include <map>
- struct MapDrawControl
- {
- // Wanted drawing range
- float wanted_range = 0.0f;
- // Overrides limits by drawing everything
- bool range_all = false;
- // Allow rendering out of bounds
- bool allow_noclip = false;
- // show a wire frame for debugging
- bool show_wireframe = false;
- };
- class Client;
- class ITextureSource;
- class PartialMeshBuffer;
- /*
- ClientMap
- This is the only map class that is able to render itself on screen.
- */
- class ClientMap : public Map, public scene::ISceneNode
- {
- public:
- ClientMap(
- Client *client,
- RenderingEngine *rendering_engine,
- MapDrawControl &control,
- s32 id
- );
- virtual ~ClientMap();
- bool maySaveBlocks() override
- {
- return false;
- }
- void drop() override
- {
- ISceneNode::drop(); // calls destructor
- }
- void updateCamera(v3f pos, v3f dir, f32 fov, v3s16 offset, video::SColor light_color);
- /*
- Forcefully get a sector from somewhere
- */
- MapSector * emergeSector(v2s16 p) override;
- /*
- ISceneNode methods
- */
- virtual void OnRegisterSceneNode() override;
- virtual void render() override
- {
- video::IVideoDriver* driver = SceneManager->getVideoDriver();
- driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
- renderMap(driver, SceneManager->getSceneNodeRenderPass());
- }
- virtual const aabb3f &getBoundingBox() const override
- {
- return m_box;
- }
- void getBlocksInViewRange(v3s16 cam_pos_nodes,
- v3s16 *p_blocks_min, v3s16 *p_blocks_max, float range=-1.0f);
- void updateDrawList();
- // @brief Calculate statistics about the map and keep the blocks alive
- void touchMapBlocks();
- void updateDrawListShadow(v3f shadow_light_pos, v3f shadow_light_dir, float radius, float length);
- // Returns true if draw list needs updating before drawing the next frame.
- bool needsUpdateDrawList() { return m_needs_update_drawlist; }
- void renderMap(video::IVideoDriver* driver, s32 pass);
- void renderMapShadows(video::IVideoDriver *driver,
- const video::SMaterial &material, s32 pass, int frame, int total_frames);
- int getBackgroundBrightness(float max_d, u32 daylight_factor,
- int oldvalue, bool *sunlight_seen_result);
- void renderPostFx(CameraMode cam_mode);
- // For debug printing
- void PrintInfo(std::ostream &out) override;
- const MapDrawControl & getControl() const { return m_control; }
- f32 getWantedRange() const { return m_control.wanted_range; }
- f32 getCameraFov() const { return m_camera_fov; }
- void onSettingChanged(const std::string &name);
- protected:
- void reportMetrics(u64 save_time_us, u32 saved_blocks, u32 all_blocks) override;
- private:
- bool isMeshOccluded(MapBlock *mesh_block, u16 mesh_size, v3s16 cam_pos_nodes);
- // update the vertex order in transparent mesh buffers
- void updateTransparentMeshBuffers();
- // Orders blocks by distance to the camera
- class MapBlockComparer
- {
- public:
- MapBlockComparer(const v3s16 &camera_block) : m_camera_block(camera_block) {}
- bool operator() (const v3s16 &left, const v3s16 &right) const
- {
- auto distance_left = left.getDistanceFromSQ(m_camera_block);
- auto distance_right = right.getDistanceFromSQ(m_camera_block);
- return distance_left > distance_right || (distance_left == distance_right && left > right);
- }
- private:
- v3s16 m_camera_block;
- };
- // reference to a mesh buffer used when rendering the map.
- struct DrawDescriptor {
- v3s16 m_pos;
- union {
- scene::IMeshBuffer *m_buffer;
- const PartialMeshBuffer *m_partial_buffer;
- };
- bool m_reuse_material:1;
- bool m_use_partial_buffer:1;
- DrawDescriptor(v3s16 pos, scene::IMeshBuffer *buffer, bool reuse_material) :
- m_pos(pos), m_buffer(buffer), m_reuse_material(reuse_material), m_use_partial_buffer(false)
- {}
- DrawDescriptor(v3s16 pos, const PartialMeshBuffer *buffer) :
- m_pos(pos), m_partial_buffer(buffer), m_reuse_material(false), m_use_partial_buffer(true)
- {}
- scene::IMeshBuffer* getBuffer();
- void draw(video::IVideoDriver* driver);
- };
- Client *m_client;
- RenderingEngine *m_rendering_engine;
- aabb3f m_box = aabb3f(-BS * 1000000, -BS * 1000000, -BS * 1000000,
- BS * 1000000, BS * 1000000, BS * 1000000);
- MapDrawControl &m_control;
- v3f m_camera_position = v3f(0,0,0);
- v3f m_camera_direction = v3f(0,0,1);
- f32 m_camera_fov = M_PI;
- v3s16 m_camera_offset;
- video::SColor m_camera_light_color = video::SColor(0xFFFFFFFF);
- bool m_needs_update_transparent_meshes = true;
- std::map<v3s16, MapBlock*, MapBlockComparer> m_drawlist;
- std::vector<MapBlock*> m_keeplist;
- std::map<v3s16, MapBlock*> m_drawlist_shadow;
- bool m_needs_update_drawlist;
- std::set<v2s16> m_last_drawn_sectors;
- bool m_cache_trilinear_filter;
- bool m_cache_bilinear_filter;
- bool m_cache_anistropic_filter;
- u16 m_cache_transparency_sorting_distance;
- bool m_loops_occlusion_culler;
- bool m_enable_raytraced_culling;
- };
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