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path: root/src/mapgen/mapgen.cpp
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* Biome API: Fix absent water decorations and dust, in deep water (#7470)Paramat2018-06-21
| | | | | | | | | | | | Previously, the biomemap was 'BIOME_NONE' for a mapchunk column if a stone surface was not found in it, causing water surface decorations and water surface dust to fail. Store the biome ID of the biome calculated at a water surface and add it to the biomemap if the biomemap is 'BIOME_NONE' for the mapchunk column. The biome calculated at a stone surface still has priority for the biomemap entry, as it should. Edit an incorrect comment.
* Biome dust: Revert fix that added dust to mod structures (#7464)Paramat2018-06-19
| | | | | | | | | Revert commit 99143f494711034068685b6ee845ce19fa09d7d9 and commit f4ca830abe1aa22875c99b31bf2ee56e26f83f05. These commits caused biome dust to be applied even when there was no core mapgen terrain in a mapchunk column. So the dust, which overgenerates, then appeared on structures added by mods in 'on_generated', such as floatlands, asteroids or above-surface realms.
* Mapgen flags: Add 'biomes' global mapgen flag (#7355)Paramat2018-06-08
| | | | | | | | | Previously the only way to disable biomes was to 'clear' the registered biomes in a mod, but this method causes large amounts of unnecessary processing: 1. Calculation of 4 2D noises. 2. Looping through all nodes of a mapchunk replacing nodes with identical nodes. The new flag disables those operations.
* Biome dust placement: Improve comments, re-order some linesParamat2018-06-04
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* Biomemap: Simplify code of recent commit (#7398)Paramat2018-06-02
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* Biomemap: Avoid empty biomemap entry to fix failing biome dust (#7393)Paramat2018-06-02
| | | | | | | | | | | | 'generateBiomes()' constructs the biomemap as it generates biomes. The biome calculated at first stone surface encountered is added to the biomemap. Previously, if no stone surface was encountered in a mapchunk column the biomemap was left empty for that (x, z) position, causing biome dust and water surface decoration placement to fail. If at the base of a mapchunk column the biomemap is empty, add the currently active biome to the biomemap, or if biome is NULL calculate it for this position and add it to the biomemap.
* Dungeons: Fix duplication of y limit parameters (#7359)Paramat2018-05-20
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* Mapgen caves: Re-order generation to fix cavern bugParamat2018-04-29
| | | | | | | Previously, caverns confused tunnel generation causing biome top and filler nodes to appear in caverns. Split 'generateCaves()' into 2 functions to separate tunnel and large randomwalk cave generation. In each mapgen re-order cave generation to generate tunnels before caverns.
* Biome-defined dungeon nodes: Use faster biome calculationparamat2018-04-26
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* Biome API / dungeons: Add biome-defined dungeon nodesParamat2018-04-07
| | | | | | | | | | Add new biome fields 'node_dungeon', 'node_dungeon_alt', 'node_dungeon_stair'. If 'node_dungeon' is not defined dungeons fall back to classic behaviour. Remove messy and imprecise dungeon material code from 'generateBiomes()'. Code deciding dungeon materials is now in 'generateDungeons()' and uses the biome at mapchunk centre for more precision. Remove hardcoded 'MG_STONE' types as long intended.
* Biome API / cavegen: Add definable cave liquid for a biome (#7192)Paramat2018-04-05
| | | | Add 'node_cave_liquid' as a new field in biome registration. If field is absent cave liquids fall back to classic behaviour.
* VoxelArea: add_{x,y,z,p} must be staticLoic Blot2018-03-09
| | | | | Fix some documentations issues Use getNodeNoCheck(v3s16, ...) in some cases instead of getNodeNoCheck(x, y, z, ...)
* Biomes: Add 'min_pos'/'max_pos' xyz biome limitsparamat2018-03-09
| | | | 'y_min' and 'y_max' are still accepted for compatibility.
* Generate Notifier: Clear events once after all 'on generated' functionsparamat2018-03-03
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* SAO limits: Allow SAOs to exist outside the set 'mapgen limit'paramat2018-02-26
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* Dungeons: Avoid generation in multiple liquid nodes and 'airlike'paramat2018-02-13
| | | | | | | | | | | | | | Previously only 'mapgen water source' and 'mapgen river water source' were checked for. Games can use multiple liquid nodes defined for biomes, many of which will not be aliased to those 2 mapgen aliases, causing floating dungeons to generate in some liquids. Now we check for liquid drawtype instead, so can remove liquid nodes from dungeonparams. Also check for 'airlike' drawtype instead of 'CONTENT_AIR' to avoid generation in 'airlike' nodes in some rare situations. This will also be needed for when we add definable biome air nodes.
* Mapgen folder: Update and improve copyright information of filesparamat2018-01-15
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* Use std::vector instead of dynamic C-Array (#6744)adrido2017-12-10
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* Biome dust node: Only place on 'walkable' cubic non-liquid drawtypesparamat2017-11-17
| | | | | | No longer decide placement on 'buildable_to' parameter. Dust nodes only look acceptable placed on cubic nodes. Modders may not want to make their plantlike decorations 'buildable_to'.
* Move files to subdirectories (#6599)Vitaliy2017-11-08
* Move files around