minetest.git - modified minetest for gpcfs purposes

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path: root/src/script/lua_api/l_vmanip.h

	Commit message (Collapse)	Author	Age
*	C++ modernize: Pragma once (#6264)	Loïc Blot	2017-08-17
\| \| \| \|	* Migrate cpp headers to pragma once
*	C++11 cleanup on constructors (#6000)	Vincent Glize	2017-06-19
\| \| \| \|	* C++11 cleanup on constructors dir script
*	Replace luaL_reg with luaL_Reg as recent LuaJIT dropped the Lua 5.0 compat ↵	Loïc Blot	2017-04-08
\| \| \| \| \|	(#5541) We are bundling Lua5.1 which has same macro
*	Clang-format: fix some header files and remove them from whitelist	Loic Blot	2017-04-07
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*	Shorten ManualMapVoxelManipulator to MMVManip	kwolekr	2015-01-05
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*	Add minetest.generate_ores() and minetest.generate_decorations()	kwolekr	2015-01-04
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*	LuaVoxelManip: Remove blank allocator	kwolekr	2014-12-29
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*	LuaVoxelManip: Add option to allocate blank data	kwolekr	2014-12-27
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*	Add LuaVoxelManip methods: get_node_at() and set_node_at()	kwolekr	2014-09-01
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*	Update Mapgen VoxelManipulator on buffer invalidation	kwolekr	2014-09-01
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*	LuaVoxelManip: Add get_param2_data and set_param2_data	kwolekr	2014-01-19
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*	LuaVoxelManip: Add get_light_data() and set_light_data()	kwolekr	2013-11-30
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*	Omnicleanup: header cleanup, add ModApiUtil shared between game and mainmenu	Kahrl	2013-08-14
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*	LuaVoxelManip: Fix minor bug with set_lighting, remove coordinate params for ↵	kwolekr	2013-06-29
\| \| \| \|	light and liquid updates
*	LuaVoxelManip: Separate VoxelManip data get/set from emerging/blitting data ↵	kwolekr	2013-06-27
\| \| \| \|	back to map
*	Add minetest.get_mapgen_object to API	kwolekr	2013-06-27
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*	Add LuaVoxelManip	kwolekr	2013-06-27

lass="hl opt">*> &modified_blocks); /*! * Copies back nodes from a voxel manipulator * to the map and updates lighting. * For server use only. * * \param modified_blocks output, contains all map blocks that * the function modified */ void blit_back_with_light(ServerMap *map, MMVManip *vm, std::map<v3s16, MapBlock*> *modified_blocks); /*! * Corrects the light in a map block. * For server use only. * * \param block the block to update */ void repair_block_light(ServerMap *map, MapBlock *block, std::map<v3s16, MapBlock*> *modified_blocks); /*! * This class iterates trough voxels that intersect with * a line. The collision detection does not see nodeboxes, * every voxel is a cube and is returned. * This iterator steps to all nodes exactly once. */ struct VoxelLineIterator { public: //! Starting position of the line in world coordinates. v3f m_start_position; //! Direction and length of the line in world coordinates. v3f m_line_vector; /*! * Each component stores the next smallest positive number, by * which multiplying the line's vector gives a vector that ends * on the intersection of two nodes. */ v3f m_next_intersection_multi { 10000.0f, 10000.0f, 10000.0f }; /*! * Each component stores the smallest positive number, by which * m_next_intersection_multi's components can be increased. */ v3f m_intersection_multi_inc { 10000.0f, 10000.0f, 10000.0f }; /*! * Direction of the line. Each component can be -1 or 1 (if a * component of the line's vector is 0, then there will be 1). */ v3s16 m_step_directions { 1, 1, 1 }; //! Position of the current node. v3s16 m_current_node_pos; //! Index of the current node s16 m_current_index = 0; //! Position of the start node. v3s16 m_start_node_pos; //! Index of the last node s16 m_last_index; /*! * Creates a voxel line iterator with the given line. * @param start_position starting point of the line * in voxel coordinates * @param line_vector length and direction of the * line in voxel coordinates. start_position+line_vector * is the end of the line */ VoxelLineIterator(const v3f &start_position,const v3f &line_vector); /*! * Steps to the next voxel. * Updates m_current_node_pos and * m_previous_node_pos. * Note that it works even if hasNext() is false, * continuing the line as a ray. */ void next(); /*! * Returns true if the next voxel intersects the given line. */ inline bool hasNext() const { return m_current_index < m_last_index; } /*! * Returns how many times next() must be called until * voxel==m_current_node_pos. * If voxel does not intersect with the line, * the result is undefined. */ s16 getIndex(v3s16 voxel); }; } // namespace voxalgo