From 14f7df980b5be20339ab637a96bdc08ac907abf2 Mon Sep 17 00:00:00 2001 From: paramat Date: Tue, 24 Feb 2015 04:06:05 +0000 Subject: Biome API: Re-calculate biome at every surface in a mapchunk column --- src/mapgen_v7.cpp | 42 ++++++++++++++++++++---------------------- 1 file changed, 20 insertions(+), 22 deletions(-) (limited to 'src/mapgen_v7.cpp') diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index a7b9076b3..29d311575 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -239,14 +239,15 @@ void MapgenV7::makeChunk(BlockMakeData *data) // Generate base terrain, mountains, and ridges with initial heightmaps s16 stone_surface_max_y = generateTerrain(); + // Create heightmap updateHeightmap(node_min, node_max); - // Calculate biomes + // Create biomemap at heightmap surface bmgr->calcBiomes(csize.X, csize.Z, noise_heat->result, noise_humidity->result, heightmap, biomemap); - // Actually place the biome-specific nodes and what not - generateBiomes(); + // Actually place the biome-specific nodes + generateBiomes(noise_heat->result, noise_humidity->result); if (flags & MG_CAVES) generateCaves(stone_surface_max_y); @@ -534,7 +535,7 @@ void MapgenV7::generateRidgeTerrain() } -void MapgenV7::generateBiomes() +void MapgenV7::generateBiomes(float *heat_map, float *humidity_map) { if (node_max.Y < water_level) return; @@ -548,12 +549,11 @@ void MapgenV7::generateBiomes() for (s16 z = node_min.Z; z <= node_max.Z; z++) for (s16 x = node_min.X; x <= node_max.X; x++, index++) { - Biome *biome = (Biome *)bmgr->get(biomemap[index]); - s16 dfiller = biome->depth_filler + noise_filler_depth->result[index]; - s16 y0_top = biome->depth_top; - s16 y0_filler = biome->depth_top + dfiller; - s16 shore_max = water_level + biome->height_shore; - s16 depth_water_top = biome->depth_water_top; + Biome *biome = NULL; + s16 dfiller = 0; + s16 y0_top = 0; + s16 y0_filler = 0; + s16 depth_water_top = 0; s16 nplaced = 0; u32 i = vm->m_area.index(x, node_max.Y, z); @@ -574,25 +574,23 @@ void MapgenV7::generateBiomes() have_air = !getMountainTerrainFromMap(j, index, y); } + if (c != CONTENT_IGNORE && c != CONTENT_AIR && (y == node_max.Y || have_air)) { + biome = bmgr->getBiome(heat_map[index], humidity_map[index], y); + dfiller = biome->depth_filler + noise_filler_depth->result[index]; + y0_top = biome->depth_top; + y0_filler = biome->depth_top + dfiller; + depth_water_top = biome->depth_water_top; + } + if (c == c_stone && have_air) { content_t c_below = vm->m_data[i - em.X].getContent(); if (c_below != CONTENT_AIR) { if (nplaced < y0_top) { - if(y < water_level) - vm->m_data[i] = MapNode(biome->c_underwater); - else if(y <= shore_max) - vm->m_data[i] = MapNode(biome->c_shore_top); - else - vm->m_data[i] = MapNode(biome->c_top); + vm->m_data[i] = MapNode(biome->c_top); nplaced++; } else if (nplaced < y0_filler && nplaced >= y0_top) { - if(y < water_level) - vm->m_data[i] = MapNode(biome->c_underwater); - else if(y <= shore_max) - vm->m_data[i] = MapNode(biome->c_shore_filler); - else - vm->m_data[i] = MapNode(biome->c_filler); + vm->m_data[i] = MapNode(biome->c_filler); nplaced++; } else if (c == c_stone) { have_air = false; -- cgit v1.2.3