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93 lines
3.3 KiB
C++
Executable File
93 lines
3.3 KiB
C++
Executable File
#ifndef NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__
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#define NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__
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//package net.minecraft.world.level->levelgen.feature;
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#include "Feature.h"
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#include "../../../../util/Random.h"
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#include "../../Level.h"
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#include "../../tile/LeafTile.h"
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#include "../../tile/Tile.h"
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#include "../../tile/TreeTile.h"
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class PineFeature: public Feature
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{
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typedef Feature super;
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public:
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PineFeature(bool doUpdate = false)
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: super(doUpdate)
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{
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}
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bool place(Level* level, Random* random, int x, int y, int z) {
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// pines can be quite tall
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int treeHeight = random->nextInt(5) + 7;
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int trunkHeight = treeHeight - random->nextInt(2) - 3;
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int topHeight = treeHeight - trunkHeight;
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int topRadius = 1 + random->nextInt(topHeight + 1);
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bool free = true;
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// may not be outside of y boundaries
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if (y < 1 || y + treeHeight + 1 > Level::DEPTH) {
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return false;
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}
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// make sure there is enough space
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for (int yy = y; yy <= y + 1 + treeHeight && free; yy++) {
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int r = 1;
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if ((yy - y) < trunkHeight) {
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r = 0;
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} else {
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r = topRadius;
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}
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for (int xx = x - r; xx <= x + r && free; xx++) {
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for (int zz = z - r; zz <= z + r && free; zz++) {
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if (yy >= 0 && yy < Level::DEPTH) {
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int tt = level->getTile(xx, yy, zz);
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if (tt != 0 && tt != Tile::leaves->id) free = false;
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} else {
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free = false;
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}
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}
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}
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}
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if (!free) return false;
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// must stand on ground
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int belowTile = level->getTile(x, y - 1, z);
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if ((belowTile != ((Tile*)Tile::grass)->id && belowTile != Tile::dirt->id) || y >= Level::DEPTH - treeHeight - 1) return false;
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placeBlock(level, x, y - 1, z, Tile::dirt->id);
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// place leaf top
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int currentRadius = 0;
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for (int yy = y + treeHeight; yy >= y + trunkHeight; yy--) {
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for (int xx = x - currentRadius; xx <= x + currentRadius; xx++) {
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int xo = xx - (x);
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for (int zz = z - currentRadius; zz <= z + currentRadius; zz++) {
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int zo = zz - (z);
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if (std::abs(xo) == currentRadius && std::abs(zo) == currentRadius && currentRadius > 0) continue;
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if (!Tile::solid[level->getTile(xx, yy, zz)]) placeBlock(level, xx, yy, zz, Tile::leaves->id, LeafTile::EVERGREEN_LEAF);
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}
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}
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if (currentRadius >= 1 && yy == (y + trunkHeight + 1)) {
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currentRadius -= 1;
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} else if (currentRadius < topRadius) {
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currentRadius += 1;
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}
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}
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for (int hh = 0; hh < treeHeight - 1; hh++) {
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int t = level->getTile(x, y + hh, z);
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if (t == 0 || t == Tile::leaves->id) placeBlock(level, x, y + hh, z, Tile::treeTrunk->id, TreeTile::DARK_TRUNK);
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}
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return true;
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}
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};
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#endif /*NET_MINECRAFT_WORLD_LEVEL_LEVELGEN_FEATURE__PineFeature_H__*/
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