/* Minetest-c55 Copyright (C) 2010-2011 kwolekr, Ryan Kwolek 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 "biome.h" #include "nodedef.h" #include "map.h" //for ManualMapVoxelManipulator #include "main.h" #define BT_NONE 0 #define BT_OCEAN 1 #define BT_LAKE 2 #define BT_SBEACH 3 #define BT_GBEACH 4 #define BT_PLAINS 5 #define BT_HILLS 6 #define BT_EXTREMEHILLS 7 #define BT_MOUNTAINS 8 #define BT_DESERT 9 #define BT_DESERTHILLS 10 #define BT_HELL 11 #define BT_AETHER 12 #define BT_BTMASK 0x3F #define BTF_SNOW 0x40 #define BTF_FOREST 0x80 #define BGFREQ_1 ( 0.40) #define BGFREQ_2 (BGFREQ_1 + 0.05) #define BGFREQ_3 (BGFREQ_2 + 0.08) #define BGFREQ_4 (BGFREQ_3 + 0.35) #define BGFREQ_5 (BGFREQ_4 + 0.18) //BGFREQ_5 is not checked as an upper bound; it ought to sum up to 1.00, but it's okay if it doesn't. /*float bg1_temps[] = {0.0}; int bg1_biomes[] = {BT_OCEAN}; float bg2_temps[] = {10.0}; int bg2_biomes[] = {BT_GBEACH, BT_SBEACH}; float bg3_temps[] = {30.0, 40.0}; int bg3_biomes[] = {BT_HILLS, BT_EXTREMEHILLS, BT_MOUNTAINS}; float bg4_temps[] = {25.0, 30.0, 35.0, 40.0}; int bg4_biomes[] = {BT_HILLS, BT_EXTREMEHILLS, BT_MOUNTAINS, BT_DESERT, BT_DESERTHILLS}; float bg5_temps[] = {5.0, 40.0}; int bg5_biomes[] = {BT_LAKE, BT_PLAINS, BT_DESERT};*/ BiomeDefManager::BiomeDefManager(IGameDef *gamedef) { this->m_gamedef = gamedef; this->ndef = gamedef->ndef(); //addDefaultBiomes(); //can't do this in the ctor, too early } BiomeDefManager::~BiomeDefManager() { for (int i = 0; i != bgroups.size(); i++) delete bgroups[i]; } void BiomeDefManager::addBiome() { } NoiseParams npmtdef = {0.0, 20.0, v3f(250., 250., 250.), 82341, 5, 0.6}; void BiomeDefManager::addDefaultBiomes() { std::vector *bgroup; Biome *b; //bgroup = new std::vector; b = new Biome; b->name = "Default"; b->n_top = MapNode(ndef->getId("mapgen_stone")); b->n_filler = b->n_top; b->ntopnodes = 0; b->height_min = -MAP_GENERATION_LIMIT; b->height_max = MAP_GENERATION_LIMIT; b->heat_min = FLT_MIN; b->heat_max = FLT_MAX; b->humidity_min = FLT_MIN; b->humidity_max = FLT_MAX; b->np = &npmtdef; biome_default = b; //bgroup->push_back(b); //bgroups.push_back(bgroup); } Biome *BiomeDefManager::getBiome(float bgfreq, float heat, float humidity) { std::vector bgroup; Biome *b; int i; int ngroups = bgroup_freqs.size(); if (!ngroups) return biome_default; for (i = 0; (i != ngroups - 1) && (bgfreq > bgroup_freqs[i]); i++); bgroup = *(bgroups[i]); int nbiomes = bgroup.size(); if (!nbiomes) return biome_default; for (i = 0; i != nbiomes - 1; i++) { b = bgroup[i]; if (heat >= b->heat_min && heat <= b->heat_max && humidity >= b->humidity_min && humidity <= b->humidity_max) return b; } return biome_default; } //////////////////////////// [ Generic biome ] //////////////////////////////// int Biome::getSurfaceHeight(float noise_terrain) { return np->offset + np->scale * noise_terrain; } void Biome::genColumn(Mapgen *mg, int x, int z, int y1, int y2) { //printf("(%d, %d): %f\n", x, z, mg->map_terrain[z * mg->ystride + x]); //int surfaceh = 4; int surfaceh = np->offset + np->scale * mg->map_terrain[(z - mg->node_min.Z) * 80 /*THIS IS TEMPORARY mg->ystride*/ + (x - mg->node_min.X)]; //printf("gen column %f\n", ); int y = y1; int i = mg->vmanip->m_area.index(x, y, z); //z * mg->zstride + x + (y - mg->vmanip->m_area.MinEdge.Y) * mg->ystride; for (; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_filler; for (; y <= surfaceh && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_top; for (; y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = mg->n_air; } ///////////////////////////// [ Ocean biome ] ///////////////////////////////// void BiomeOcean::genColumn(Mapgen *mg, int x, int z, int y1, int y2) { int y, i = 0; int surfaceh = np->offset + np->scale * mg->map_terrain[z * mg->ystride + x]; i = z * mg->zstride + x; for (y = y1; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_filler; for (; y <= surfaceh && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_top; for (; y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = mg->n_air; } ///////////////////////////// [ Nether biome ] ///////////////////////////////// int BiomeHell::getSurfaceHeight(float noise_terrain) { return np->offset + np->scale * noise_terrain; } void BiomeHell::genColumn(Mapgen *mg, int x, int z, int y1, int y2) { int y, i = 0; int surfaceh = np->offset + np->scale * mg->map_terrain[z * mg->ystride + x]; i = z * mg->zstride + x; for (y = y1; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_filler; for (; y <= surfaceh && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_top; for (; y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = mg->n_air; } ///////////////////////////// [ Aether biome ] //////////////////////////////// /////////////////////////// [ Superflat biome ] /////////////////////////////// int BiomeSuperflat::getSurfaceHeight(float noise_terrain) { return ntopnodes; } void BiomeSuperflat::genColumn(Mapgen *mg, int x, int z, int y1, int y2) { int y, i = 0; int surfaceh = ntopnodes; i = z * mg->zstride + x; for (y = y1; y <= surfaceh - ntopnodes && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_filler; for (; y <= surfaceh && y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = n_top; for (; y <= y2; y++, i += mg->ystride) mg->vmanip->m_data[i] = mg->n_air; }