From: paramat Date: Mon, 11 Jan 2016 05:46:41 +0000 (+0000) Subject: Mgv7/flat/fractal: Place biome top node on tunnel entrance floor X-Git-Tag: 0.4.14~327 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b4cbcaea262ba1b75e1b29b06d177e9d8d25b177;p=oweals%2Fminetest.git Mgv7/flat/fractal: Place biome top node on tunnel entrance floor --- diff --git a/src/mapgen_flat.cpp b/src/mapgen_flat.cpp index c961d755a..b7f01320f 100644 --- a/src/mapgen_flat.cpp +++ b/src/mapgen_flat.cpp @@ -551,20 +551,39 @@ void MapgenFlat::dustTopNodes() void MapgenFlat::generateCaves(s16 max_stone_y) { if (max_stone_y >= node_min.Y) { - u32 index = 0; + v3s16 em = vm->m_area.getExtent(); + u32 index2d = 0; + u32 index3d; for (s16 z = node_min.Z; z <= node_max.Z; z++) - for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { - u32 vi = vm->m_area.index(node_min.X, y, z); - for (s16 x = node_min.X; x <= node_max.X; x++, vi++, index++) { - float d1 = contour(noise_cave1->result[index]); - float d2 = contour(noise_cave2->result[index]); - if (d1 * d2 > 0.3f) { - content_t c = vm->m_data[vi].getContent(); - if (!ndef->get(c).is_ground_content || c == CONTENT_AIR) - continue; - + for (s16 x = node_min.X; x <= node_max.X; x++, index2d++) { + bool open = false; // Is column open to overground + u32 vi = vm->m_area.index(x, node_max.Y + 1, z); + index3d = (z - node_min.Z) * zstride + (csize.Y + 1) * ystride + + (x - node_min.X); + // Biome of column + Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]); + + for (s16 y = node_max.Y + 1; y >= node_min.Y - 1; + y--, index3d -= ystride, vm->m_area.add_y(em, vi, -1)) { + content_t c = vm->m_data[vi].getContent(); + if (c == CONTENT_AIR || c == biome->c_water_top || + c == biome->c_water) { + open = true; + continue; + } + // Ground + float d1 = contour(noise_cave1->result[index3d]); + float d2 = contour(noise_cave2->result[index3d]); + if (d1 * d2 > 0.3f && ndef->get(c).is_ground_content) { + // In tunnel and ground content, excavate vm->m_data[vi] = MapNode(CONTENT_AIR); + } else if (open && (c == biome->c_filler || c == biome->c_stone)) { + // Tunnel entrance floor + vm->m_data[vi] = MapNode(biome->c_top); + open = false; + } else { + open = false; } } } diff --git a/src/mapgen_fractal.cpp b/src/mapgen_fractal.cpp index 6c03c4ca9..5c0d283ec 100644 --- a/src/mapgen_fractal.cpp +++ b/src/mapgen_fractal.cpp @@ -674,20 +674,39 @@ void MapgenFractal::dustTopNodes() void MapgenFractal::generateCaves(s16 max_stone_y) { if (max_stone_y >= node_min.Y) { - u32 index = 0; + v3s16 em = vm->m_area.getExtent(); + u32 index2d = 0; + u32 index3d; for (s16 z = node_min.Z; z <= node_max.Z; z++) - for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { - u32 vi = vm->m_area.index(node_min.X, y, z); - for (s16 x = node_min.X; x <= node_max.X; x++, vi++, index++) { - float d1 = contour(noise_cave1->result[index]); - float d2 = contour(noise_cave2->result[index]); - if (d1 * d2 > 0.3f) { - content_t c = vm->m_data[vi].getContent(); - if (!ndef->get(c).is_ground_content || c == CONTENT_AIR) - continue; - + for (s16 x = node_min.X; x <= node_max.X; x++, index2d++) { + bool open = false; // Is column open to overground + u32 vi = vm->m_area.index(x, node_max.Y + 1, z); + index3d = (z - node_min.Z) * zstride + (csize.Y + 1) * ystride + + (x - node_min.X); + // Biome of column + Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]); + + for (s16 y = node_max.Y + 1; y >= node_min.Y - 1; + y--, index3d -= ystride, vm->m_area.add_y(em, vi, -1)) { + content_t c = vm->m_data[vi].getContent(); + if (c == CONTENT_AIR || c == biome->c_water_top || + c == biome->c_water) { + open = true; + continue; + } + // Ground + float d1 = contour(noise_cave1->result[index3d]); + float d2 = contour(noise_cave2->result[index3d]); + if (d1 * d2 > 0.3f && ndef->get(c).is_ground_content) { + // In tunnel and ground content, excavate vm->m_data[vi] = MapNode(CONTENT_AIR); + } else if (open && (c == biome->c_filler || c == biome->c_stone)) { + // Tunnel entrance floor + vm->m_data[vi] = MapNode(biome->c_top); + open = false; + } else { + open = false; } } } diff --git a/src/mapgen_v7.cpp b/src/mapgen_v7.cpp index 50559f9a5..1e4815486 100644 --- a/src/mapgen_v7.cpp +++ b/src/mapgen_v7.cpp @@ -863,20 +863,39 @@ void MapgenV7::addTopNodes() void MapgenV7::generateCaves(s16 max_stone_y) { if (max_stone_y >= node_min.Y) { - u32 index = 0; + v3s16 em = vm->m_area.getExtent(); + u32 index2d = 0; + u32 index3d; for (s16 z = node_min.Z; z <= node_max.Z; z++) - for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { - u32 i = vm->m_area.index(node_min.X, y, z); - for (s16 x = node_min.X; x <= node_max.X; x++, i++, index++) { - float d1 = contour(noise_cave1->result[index]); - float d2 = contour(noise_cave2->result[index]); - if (d1 * d2 > 0.3f) { - content_t c = vm->m_data[i].getContent(); - if (!ndef->get(c).is_ground_content || c == CONTENT_AIR) - continue; - - vm->m_data[i] = MapNode(CONTENT_AIR); + for (s16 x = node_min.X; x <= node_max.X; x++, index2d++) { + bool open = false; // Is column open to overground + u32 vi = vm->m_area.index(x, node_max.Y + 1, z); + index3d = (z - node_min.Z) * zstride + (csize.Y + 1) * ystride + + (x - node_min.X); + // Biome of column + Biome *biome = (Biome *)bmgr->getRaw(biomemap[index2d]); + + for (s16 y = node_max.Y + 1; y >= node_min.Y - 1; + y--, index3d -= ystride, vm->m_area.add_y(em, vi, -1)) { + content_t c = vm->m_data[vi].getContent(); + if (c == CONTENT_AIR || c == biome->c_water_top || + c == biome->c_water) { + open = true; + continue; + } + // Ground + float d1 = contour(noise_cave1->result[index3d]); + float d2 = contour(noise_cave2->result[index3d]); + if (d1 * d2 > 0.3f && ndef->get(c).is_ground_content) { + // In tunnel and ground content, excavate + vm->m_data[vi] = MapNode(CONTENT_AIR); + } else if (open && (c == biome->c_filler || c == biome->c_stone)) { + // Tunnel entrance floor + vm->m_data[vi] = MapNode(biome->c_top); + open = false; + } else { + open = false; } } }