minetest.git - modified minetest for gpcfs purposes

diff options

Diffstat (limited to 'builtin/game/item_entity.lua')

0 files changed, 0 insertions, 0 deletions

/* Minetest Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net> 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. */ #include "mg_biome.h" #include "nodedef.h" #include "map.h" //for ManualMapVoxelManipulator #include "log.h" #include "util/numeric.h" #include "main.h" #include "util/mathconstants.h" #include "porting.h" NoiseParams nparams_biome_def_heat(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.70); NoiseParams nparams_biome_def_humidity(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.55); BiomeDefManager::BiomeDefManager(NodeResolver *resolver) { biome_registration_finished = false; np_heat = &nparams_biome_def_heat; np_humidity = &nparams_biome_def_humidity; // Create default biome to be used in case none exist Biome *b = new Biome; b->id = 0; b->name = "Default"; b->flags = 0; b->depth_top = 0; b->depth_filler = 0; b->height_min = -MAP_GENERATION_LIMIT; b->height_max = MAP_GENERATION_LIMIT; b->heat_point = 0.0; b->humidity_point = 0.0; resolver->addNode("air", "", CONTENT_AIR, &b->c_top); resolver->addNode("air", "", CONTENT_AIR, &b->c_filler); resolver->addNode("mapgen_water_source", "", CONTENT_AIR, &b->c_water); resolver->addNode("air", "", CONTENT_AIR, &b->c_dust); resolver->addNode("mapgen_water_source", "", CONTENT_AIR, &b->c_dust_water); biomes.push_back(b); } BiomeDefManager::~BiomeDefManager() { //if (biomecache) // delete[] biomecache; for (size_t i = 0; i != biomes.size(); i++) delete biomes[i]; } Biome *BiomeDefManager::createBiome(BiomeTerrainType btt) { /*switch (btt) { case BIOME_TERRAIN_NORMAL: return new Biome; case BIOME_TERRAIN_LIQUID: return new BiomeLiquid; case BIOME_TERRAIN_NETHER: return new BiomeHell; case BIOME_TERRAIN_AETHER: return new BiomeSky; case BIOME_TERRAIN_FLAT: return new BiomeSuperflat; } return NULL;*/ return new Biome; } // just a PoC, obviously needs optimization later on (precalculate this) void BiomeDefManager::calcBiomes(BiomeNoiseInput *input, u8 *biomeid_map) { int i = 0; for (int y = 0; y != input->mapsize.Y; y++) { for (int x = 0; x != input->mapsize.X; x++, i++) { float heat = (input->heat_map[i] + 1) * 50; float humidity = (input->humidity_map[i] + 1) * 50; biomeid_map[i] = getBiome(heat, humidity, input->height_map[i])->id; } } } bool BiomeDefManager::addBiome(Biome *b) { if (biome_registration_finished) { errorstream << "BiomeDefManager: biome registration already " "finished, dropping " << b->name << std::endl; return false; } size_t nbiomes = biomes.size(); if (nbiomes >= 0xFF) { errorstream << "BiomeDefManager: too many biomes, dropping " << b->name << std::endl; return false; } b->id = (u8)nbiomes; biomes.push_back(b); verbosestream << "BiomeDefManager: added biome " << b->name << std::endl; return true; } Biome *BiomeDefManager::getBiome(float heat, float humidity, s16 y) { Biome *b, *biome_closest = NULL; float dist_min = FLT_MAX; for (size_t i = 1; i < biomes.size(); i++) { b = biomes[i]; if (y > b->height_max || y < b->height_min) continue; float d_heat = heat - b->heat_point; float d_humidity = humidity - b->humidity_point; float dist = (d_heat * d_heat) + (d_humidity * d_humidity); if (dist < dist_min) { dist_min = dist; biome_closest = b; } } return biome_closest ? biome_closest : biomes[0]; } u8 BiomeDefManager::getBiomeIdByName(const char *name) { for (size_t i = 0; i != biomes.size(); i++) { if (!strcasecmp(name, biomes[i]->name.c_str())) return i; } return 0; }


context:
space:
mode: