diff options
Diffstat (limited to 'Minecraft.World/PineFeature.cpp')
| -rw-r--r-- | Minecraft.World/PineFeature.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Minecraft.World/PineFeature.cpp b/Minecraft.World/PineFeature.cpp new file mode 100644 index 00000000..685f1e48 --- /dev/null +++ b/Minecraft.World/PineFeature.cpp @@ -0,0 +1,102 @@ +#include "stdafx.h" +#include "net.minecraft.world.level.h" +#include "net.minecraft.world.level.tile.h" +#include "PineFeature.h" + +bool PineFeature::place(Level *level, Random *random, int x, int y, int z) +{ + // pines can be quite tall + int treeHeight = random->nextInt(5) + 7; + int trunkHeight = treeHeight - random->nextInt(2) - 3; + int topHeight = treeHeight - trunkHeight; + int topRadius = 1 + random->nextInt(topHeight + 1); + + bool free = true; + // may not be outside of y boundaries + if (y < 1 || y + treeHeight + 1 > Level::genDepth) + { + return false; + } + + // 4J Stu Added to stop tree features generating areas previously place by game rule generation + if(app.getLevelGenerationOptions() != NULL) + { + LevelGenerationOptions *levelGenOptions = app.getLevelGenerationOptions(); + bool intersects = levelGenOptions->checkIntersects(x - topRadius, y - 1, z - topRadius, x + topRadius, y + treeHeight, z + topRadius); + if(intersects) + { + //app.DebugPrintf("Skipping reeds feature generation as it overlaps a game rule structure\n"); + return false; + } + } + + // make sure there is enough space + for (int yy = y; yy <= y + 1 + treeHeight && free; yy++) + { + + int r = 1; + if ((yy - y) < trunkHeight) + { + r = 0; + } + else + { + r = topRadius; + } + for (int xx = x - r; xx <= x + r && free; xx++) + { + for (int zz = z - r; zz <= z + r && free; zz++) + { + if (yy >= 0 && yy < Level::genDepth) + { + int tt = level->getTile(xx, yy, zz); + if (tt != 0 && tt != Tile::leaves_Id) free = false; + } + else + { + free = false; + } + } + } + } + + if (!free) return false; + + // must stand on ground + int belowTile = level->getTile(x, y - 1, z); + if ((belowTile != Tile::grass_Id && belowTile != Tile::dirt_Id) || y >= Level::genDepth - treeHeight - 1) return false; + + placeBlock(level, x, y - 1, z, Tile::dirt_Id); + + // place leaf top + int currentRadius = 0; + for (int yy = y + treeHeight; yy >= y + trunkHeight; yy--) + { + for (int xx = x - currentRadius; xx <= x + currentRadius; xx++) + { + int xo = xx - (x); + for (int zz = z - currentRadius; zz <= z + currentRadius; zz++) + { + int zo = zz - (z); + if (abs(xo) == currentRadius && abs(zo) == currentRadius && currentRadius > 0) continue; + if (!Tile::solid[level->getTile(xx, yy, zz)]) placeBlock(level, xx, yy, zz, Tile::leaves_Id, LeafTile::EVERGREEN_LEAF); + } + } + + if (currentRadius >= 1 && yy == (y + trunkHeight + 1)) + { + currentRadius -= 1; + } + else if (currentRadius < topRadius) + { + currentRadius += 1; + } + } + for (int hh = 0; hh < treeHeight - 1; hh++) + { + int t = level->getTile(x, y + hh, z); + if (t == 0 || t == Tile::leaves_Id) placeBlock(level, x, y + hh, z, Tile::treeTrunk_Id, TreeTile::DARK_TRUNK); + } + + return true; +}
\ No newline at end of file |