diff options
Diffstat (limited to 'Minecraft.World/SwampTreeFeature.cpp')
| -rw-r--r-- | Minecraft.World/SwampTreeFeature.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Minecraft.World/SwampTreeFeature.cpp b/Minecraft.World/SwampTreeFeature.cpp new file mode 100644 index 00000000..19d3f66a --- /dev/null +++ b/Minecraft.World/SwampTreeFeature.cpp @@ -0,0 +1,132 @@ +#include "stdafx.h" +#include "SwampTreeFeature.h" +#include "net.minecraft.world.level.h" +#include "net.minecraft.world.level.tile.h" +#include "JavaMath.h" + +bool SwampTreeFeature::place(Level *level, Random *random, int x, int y, int z) +{ + int treeHeight = random->nextInt(4) + 5; + while (level->getMaterial(x, y - 1, z) == Material::water) + y--; + + bool free = true; + 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 - 3, y - 1, z - 3, x + 3, y + treeHeight, z + 3); + if(intersects) + { + //app.DebugPrintf("Skipping reeds feature generation as it overlaps a game rule structure\n"); + return false; + } + } + + for (int yy = y; yy <= y + 1 + treeHeight; yy++) + { + int r = 1; + if (yy == y) r = 0; + if (yy >= y + 1 + treeHeight - 2) r = 3; + 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) + { + if (tt == Tile::calmWater_Id || tt == Tile::water_Id) + { + if (yy > y) free = false; + } + else + { + free = false; + } + } + } + else + { + free = false; + } + } + } + } + + if (!free) return false; + + 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); + + for (int yy = y - 3 + treeHeight; yy <= y + treeHeight; yy++) + { + int yo = yy - (y + treeHeight); + int offs = 2 - yo / 2; + for (int xx = x - offs; xx <= x + offs; xx++) + { + int xo = xx - (x); + for (int zz = z - offs; zz <= z + offs; zz++) + { + int zo = zz - (z); + if (abs(xo) == offs && abs(zo) == offs && (random->nextInt(2) == 0 || yo == 0)) continue; + if (!Tile::solid[level->getTile(xx, yy, zz)]) placeBlock(level, xx, yy, zz, Tile::leaves_Id); + } + } + } + + for (int hh = 0; hh < treeHeight; hh++) + { + int t = level->getTile(x, y + hh, z); + if (t == 0 || t == Tile::leaves_Id || t == Tile::water_Id || t == Tile::calmWater_Id) placeBlock(level, x, y + hh, z, Tile::treeTrunk_Id); + } + + for (int yy = y - 3 + treeHeight; yy <= y + treeHeight; yy++) + { + int yo = yy - (y + treeHeight); + int offs = 2 - yo / 2; + for (int xx = x - offs; xx <= x + offs; xx++) + { + for (int zz = z - offs; zz <= z + offs; zz++) + { + if (level->getTile(xx, yy, zz) == Tile::leaves_Id) + { + if (random->nextInt(4) == 0 && level->getTile(xx - 1, yy, zz) == 0) + { + addVine(level, xx - 1, yy, zz, VineTile::VINE_EAST); + } + if (random->nextInt(4) == 0 && level->getTile(xx + 1, yy, zz) == 0) + { + addVine(level, xx + 1, yy, zz, VineTile::VINE_WEST); + } + if (random->nextInt(4) == 0 && level->getTile(xx, yy, zz - 1) == 0) + { + addVine(level, xx, yy, zz - 1, VineTile::VINE_SOUTH); + } + if (random->nextInt(4) == 0 && level->getTile(xx, yy, zz + 1) == 0) + { + addVine(level, xx, yy, zz + 1, VineTile::VINE_NORTH); + } + } + } + } + } + return true; + +} + +void SwampTreeFeature::addVine(Level *level, int xx, int yy, int zz, int dir) +{ + placeBlock(level, xx, yy, zz, Tile::vine_Id, dir); + int maxDir = 4; + while (level->getTile(xx, --yy, zz) == 0 && maxDir > 0) + { + placeBlock(level, xx, yy, zz, Tile::vine_Id, dir); + maxDir--; + } +}
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