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Mgv7: Add option to repeat surface biomes in floatlands
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@ -1151,11 +1151,11 @@ mgv6_np_apple_trees (Apple trees noise) noise_params 0, 1, (100, 100, 100), 3429
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[***Mapgen v7]
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# Map generation attributes specific to Mapgen v7.
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# The 'ridges' flag enables the rivers.
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# Floatlands are currently experimental and subject to change.
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# 'ridges' enables the rivers.
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# 'biomerepeat' causes surface biomes to repeat in the floatlands.
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# Flags that are not specified in the flag string are not modified from the default.
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# Flags starting with 'no' are used to explicitly disable them.
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mgv7_spflags (Mapgen v7 specific flags) flags mountains,ridges,nofloatlands,caverns mountains,ridges,floatlands,caverns,nomountains,noridges,nofloatlands,nocaverns
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mgv7_spflags (Mapgen v7 specific flags) flags mountains,ridges,nofloatlands,caverns,biomerepeat mountains,ridges,floatlands,caverns,biomerepeat,nomountains,noridges,nofloatlands,nocaverns,nobiomerepeat
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# Controls width of tunnels, a smaller value creates wider tunnels.
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mgv7_cave_width (Cave width) float 0.09
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@ -1390,12 +1390,12 @@
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#### Mapgen v7
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# Map generation attributes specific to Mapgen v7.
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# The 'ridges' flag enables the rivers.
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# Floatlands are currently experimental and subject to change.
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# 'ridges' enables the rivers.
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# 'biomerepeat' causes surface biomes to repeat in the floatlands.
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# Flags that are not specified in the flag string are not modified from the default.
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# Flags starting with 'no' are used to explicitly disable them.
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# type: flags possible values: mountains, ridges, floatlands, caverns, nomountains, noridges, nofloatlands, nocaverns
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# mgv7_spflags = mountains,ridges,nofloatlands,caverns
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# type: flags possible values: mountains, ridges, floatlands, caverns, biomerepeat, nomountains, noridges, nofloatlands, nocaverns, nobiomerepeat
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# mgv7_spflags = mountains,ridges,nofloatlands,caverns,biomerepeat
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# Controls width of tunnels, a smaller value creates wider tunnels.
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# type: float
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@ -40,11 +40,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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FlagDesc flagdesc_mapgen_v7[] = {
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{"mountains", MGV7_MOUNTAINS},
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{"ridges", MGV7_RIDGES},
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{"floatlands", MGV7_FLOATLANDS},
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{"caverns", MGV7_CAVERNS},
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{NULL, 0}
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{"mountains", MGV7_MOUNTAINS},
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{"ridges", MGV7_RIDGES},
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{"floatlands", MGV7_FLOATLANDS},
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{"caverns", MGV7_CAVERNS},
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{"biomerepeat", MGV7_BIOMEREPEAT},
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{NULL, 0}
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};
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@ -285,6 +286,12 @@ void MapgenV7::makeChunk(BlockMakeData *data)
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blockseed = getBlockSeed2(full_node_min, seed);
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// Get zero level for biomes and decorations
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// Optionally repeat surface biomes in floatlands
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s16 biome_zero_level = ((spflags & MGV7_FLOATLANDS) &&
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(spflags & MGV7_BIOMEREPEAT) && node_max.Y >= shadow_limit) ?
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floatland_level - 1 : water_level - 1;
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// Generate base and mountain terrain
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// An initial heightmap is no longer created here for use in generateRidgeTerrain()
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s16 stone_surface_max_y = generateTerrain();
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@ -298,7 +305,7 @@ void MapgenV7::makeChunk(BlockMakeData *data)
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// Init biome generator, place biome-specific nodes, and build biomemap
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biomegen->calcBiomeNoise(node_min);
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MgStoneType stone_type = generateBiomes(water_level - 1);
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MgStoneType stone_type = generateBiomes(biome_zero_level);
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// Generate caverns, tunnels and classic caves
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if (flags & MG_CAVES) {
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@ -323,7 +330,7 @@ void MapgenV7::makeChunk(BlockMakeData *data)
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// Generate the registered decorations
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if (flags & MG_DECORATIONS)
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m_emerge->decomgr->placeAllDecos(this, blockseed,
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node_min, node_max, water_level - 1);
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node_min, node_max, biome_zero_level);
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// Generate the registered ores
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m_emerge->oremgr->placeAllOres(this, blockseed,
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@ -23,11 +23,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "mapgen.h"
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//////////// Mapgen V7 flags
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#define MGV7_MOUNTAINS 0x01
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#define MGV7_RIDGES 0x02
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#define MGV7_FLOATLANDS 0x04
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#define MGV7_CAVERNS 0x08
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/////////////// Mapgen V7 flags
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#define MGV7_MOUNTAINS 0x01
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#define MGV7_RIDGES 0x02
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#define MGV7_FLOATLANDS 0x04
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#define MGV7_CAVERNS 0x08
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#define MGV7_BIOMEREPEAT 0x10
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class BiomeManager;
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@ -35,7 +36,8 @@ extern FlagDesc flagdesc_mapgen_v7[];
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struct MapgenV7Params : public MapgenParams {
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u32 spflags = MGV7_MOUNTAINS | MGV7_RIDGES | MGV7_CAVERNS;
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u32 spflags = MGV7_MOUNTAINS | MGV7_RIDGES |
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MGV7_CAVERNS | MGV7_BIOMEREPEAT;
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float cave_width = 0.09f;
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s16 large_cave_depth = -33;
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s16 lava_depth = -256;
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