diff options
Diffstat (limited to 'src/mapgen_valleys.cpp')
| -rw-r--r-- | src/mapgen_valleys.cpp | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/src/mapgen_valleys.cpp b/src/mapgen_valleys.cpp index ce7a95329..df318291c 100644 --- a/src/mapgen_valleys.cpp +++ b/src/mapgen_valleys.cpp @@ -1,8 +1,7 @@ /* Minetest Valleys C -Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net> -Copyright (C) 2010-2015 paramat, Matt Gregory -Copyright (C) 2016 Duane Robertson <duane@duanerobertson.com> +Copyright (C) 2016-2017 Duane Robertson <duane@duanerobertson.com> +Copyright (C) 2016-2017 paramat Based on Valleys Mapgen by Gael de Sailly (https://forum.minetest.net/viewtopic.php?f=9&t=11430) @@ -37,7 +36,6 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "settings.h" // For g_settings #include "emerge.h" #include "dungeongen.h" -#include "treegen.h" #include "mg_biome.h" #include "mg_ore.h" #include "mg_decoration.h" @@ -70,9 +68,6 @@ MapgenValleys::MapgenValleys(int mapgenid, MapgenValleysParams *params, EmergeMa // NOTE: MapgenValleys has a hard dependency on BiomeGenOriginal this->m_bgen = (BiomeGenOriginal *)biomegen; - this->map_gen_limit = MYMIN(MAX_MAP_GENERATION_LIMIT, - g_settings->getU16("map_generation_limit")); - BiomeParamsOriginal *bp = (BiomeParamsOriginal *)params->bparams; this->spflags = params->spflags; @@ -110,9 +105,6 @@ MapgenValleys::MapgenValleys(int mapgenid, MapgenValleysParams *params, EmergeMa this->lava_max_height = water_level + MYMAX(0, lava_features_lim - 4) * 50; tcave_cache = new float[csize.Y + 2]; - - // Resolve content to be used - c_lava_source = ndef->getId("mapgen_lava_source"); } @@ -238,17 +230,21 @@ void MapgenValleys::makeChunk(BlockMakeData *data) blockseed = getBlockSeed2(full_node_min, seed); - // Generate noise maps and base terrain height. - calculateNoise(); - // Generate biome noises. Note this must be executed strictly before // generateTerrain, because generateTerrain depends on intermediate // biome-related noises. m_bgen->calcBiomeNoise(node_min); + // Generate noise maps and base terrain height. + // Modify heat and humidity maps. + calculateNoise(); + // Generate base terrain with initial heightmaps s16 stone_surface_max_y = generateTerrain(); + // Recalculate heightmap + updateHeightmap(node_min, node_max); + // Place biome-specific nodes and build biomemap MgStoneType stone_type = generateBiomes(); @@ -549,10 +545,6 @@ int MapgenValleys::generateTerrain() index_3d += ystride; } - // This happens if we're generating a chunk that doesn't - // contain the terrain surface, in which case, we need - // to set heightmap to a value outside of the chunk, - // to avoid confusing lua mods that use heightmap. if (heightmap[index_2d] == -MAX_MAP_GENERATION_LIMIT) { s16 surface_y_int = myround(surface_y); if (surface_y_int > node_max.Y + 1 || surface_y_int < node_min.Y - 1) { @@ -621,7 +613,7 @@ void MapgenValleys::generateCaves(s16 max_stone_y, s16 large_cave_depth) const float massive_cave_threshold = 0.6f; // mct: 1 = small rare caves, 0.5 1/3rd ground volume, 0 = 1/2 ground volume. - float yblmin = -map_gen_limit + massive_cave_blend * 1.5f; + float yblmin = -mapgen_limit + massive_cave_blend * 1.5f; float yblmax = massive_cave_depth - massive_cave_blend * 1.5f; bool made_a_big_one = false; @@ -646,11 +638,11 @@ void MapgenValleys::generateCaves(s16 max_stone_y, s16 large_cave_depth) // lava_depth varies between one and ten as you approach // the bottom of the world. - s16 lava_depth = ceil((lava_max_height - node_min.Y + 1) * 10.f / map_gen_limit); + s16 lava_depth = ceil((lava_max_height - node_min.Y + 1) * 10.f / mapgen_limit); // This allows random lava spawns to be less common at the surface. s16 lava_chance = MYCUBE(lava_features_lim) * lava_depth; // water_depth varies between ten and one on the way down. - s16 water_depth = ceil((map_gen_limit - abs(node_min.Y) + 1) * 10.f / map_gen_limit); + s16 water_depth = ceil((mapgen_limit - abs(node_min.Y) + 1) * 10.f / mapgen_limit); // This allows random water spawns to be more common at the surface. s16 water_chance = MYCUBE(water_features_lim) * water_depth; |