diff options
Diffstat (limited to 'Minecraft.World/CaveFeature.cpp')
| -rw-r--r-- | Minecraft.World/CaveFeature.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Minecraft.World/CaveFeature.cpp b/Minecraft.World/CaveFeature.cpp new file mode 100644 index 00000000..aad92805 --- /dev/null +++ b/Minecraft.World/CaveFeature.cpp @@ -0,0 +1,92 @@ +#include "stdafx.h" +#include "CaveFeature.h" +#include "net.minecraft.world.level.h" +#include "net.minecraft.world.level.tile.h" +using namespace std; + + bool CaveFeature::place(Level *level, Random *random, int x, int y, int z) + { + float dir = random->nextFloat() * PI; + double rd = 8; + + double x0 = x + 8 + Mth::sin(dir) * rd; + double x1 = x + 8 - Mth::sin(dir) * rd; + double z0 = z + 8 + Mth::cos(dir) * rd; + double z1 = z + 8 - Mth::cos(dir) * rd; + + double y0 = y + random->nextInt(8) + 2; + double y1 = y + random->nextInt(8) + 2; + + double radius = random->nextDouble() * 4 + 2; + double fuss = random->nextDouble() * 0.6; + + __int64 seed = random->nextLong(); + random->setSeed(seed); + vector<TilePos *> toRemove; + + for (int d = 0; d <= 16; d++) + { + double xx = x0 + (x1 - x0) * d / 16; + double yy = y0 + (y1 - y0) * d / 16; + double zz = z0 + (z1 - z0) * d / 16; + + double ss = random->nextDouble(); + double r = (Mth::sin(d / 16.0f * PI) * radius + 1) * ss + 1; + double hr = (Mth::sin(d / 16.0f * PI) * radius + 1) * ss + 1; + + // 4J Stu Added to stop cave features generating areas previously place by game rule generation + if(app.getLevelGenerationOptions() != NULL) + { + LevelGenerationOptions *levelGenOptions = app.getLevelGenerationOptions(); + bool intersects = levelGenOptions->checkIntersects((xx - r / 2), (yy - hr / 2), (zz - r / 2), (xx + r / 2), (yy + hr / 2), (zz + r / 2)); + if(intersects) + { + //app.DebugPrintf("Skipping cave feature generation as it overlaps a game rule structure\n"); + return false; + } + } + + for (int x2 = (int) (xx - r / 2); x2 <= (int) (xx + r / 2); x2++) + for (int y2 = (int) (yy - hr / 2); y2 <= (int) (yy + hr / 2); y2++) + for (int z2 = (int) (zz - r / 2); z2 <= (int) (zz + r / 2); z2++) + { + double xd = ((x2 + 0.5) - xx) / (r / 2); + double yd = ((y2 + 0.5) - yy) / (hr / 2); + double zd = ((z2 + 0.5) - zz) / (r / 2); + if (xd * xd + yd * yd + zd * zd < random->nextDouble() * fuss + (1 - fuss)) + { + if (!level->isEmptyTile(x2, y2, z2)) + { + for (int x3 = (x2 - 2); x3 <= (x2 + 1); x3++) + for (int y3 = (y2 - 1); y3 <= (y2 + 1); y3++) + for (int z3 = (z2 - 1); z3 <= (z2 + 1); z3++) + { + if (x3 <= x || z3 <= z || x3 >= x + 16 - 1 || z3 >= z + 16 - 1) return false; + if (level->getMaterial(x3, y3, z3)->isLiquid()) return false; + } + toRemove.push_back(new TilePos(x2, y2, z2)); + } + } + } + } + + AUTO_VAR(itEnd, toRemove.end()); + for (AUTO_VAR(it, toRemove.begin()); it != itEnd; it++) + { + TilePos *p = *it; //toRemove[i]; + level->setTileNoUpdate(p->x, p->y, p->z, 0); + } + + itEnd = toRemove.end(); + for (AUTO_VAR(it, toRemove.begin()); it != itEnd; it++) + { + TilePos *p = *it; //toRemove[i]; + if (level->getTile(p->x, p->y - 1, p->z) == Tile::dirt_Id && level->getDaytimeRawBrightness(p->x, p->y, p->z) > 8) + { + level->setTileNoUpdate(p->x, p->y - 1, p->z, Tile::grass_Id); + } + delete p; + } + + return true; +}
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