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76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/********************************************************************
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Minecraft: Pocket Edition - Decompilation Project
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Copyright (C) 2023 iProgramInCpp
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The following code is licensed under the BSD 1 clause license.
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SPDX-License-Identifier: BSD-1-Clause
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********************************************************************/
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#include "Feature.hpp"
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#include "world/level/Level.hpp"
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OreFeature::OreFeature(int id, int count)
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{
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m_ID = id;
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m_count = count;
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}
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bool OreFeature::place(Level* level, Random* random, int x, int y, int z)
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{
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float fAng = random->nextFloat() * float(M_PI);
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float d0 = float(x + 8) + 0.125f * float(m_count) * Mth::sin(fAng);
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float d1 = float(x + 8) - 0.125f * float(m_count) * Mth::sin(fAng);
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float d2 = float(z + 8) - 0.125f * float(m_count) * Mth::cos(fAng);
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float d3 = float(z + 8) - 0.125f * float(m_count) * Mth::cos(fAng);
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float d4 = float(random->nextInt(3) + y + 2);
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float d5 = float(random->nextInt(3) + y + 2);
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// @NOTE: 1 extra block
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for (int i = 0; i <= m_count; i++)
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{
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float d6 = d0 + ((d1 - d0) * float(i)) / float(m_count);
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float d7 = d4 + ((d5 - d4) * float(i)) / float(m_count);
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float d8 = d2 + ((d3 - d2) * float(i)) / float(m_count);
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float d9 = (random->nextFloat() * float(m_count)) / 16.0f;
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// @NOTE: seems to be calculated twice??
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float radius_1 = (Mth::sin((float(M_PI * i)) / float(m_count)) + 1.0f) * d9 + 1.0f;
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float radius_2 = (Mth::sin((float(M_PI * i)) / float(m_count)) + 1.0f) * d9 + 1.0f;
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int minX = int(d6 - radius_1 / 2.0f);
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int minY = int(d7 - radius_2 / 2.0f);
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int minZ = int(d8 - radius_1 / 2.0f);
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int maxX = int(d6 + radius_1 / 2.0f);
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int maxY = int(d7 + radius_2 / 2.0f);
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int maxZ = int(d8 + radius_1 / 2.0f);
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for (int cx = minX; cx <= maxX; cx++)
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{
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float distX = ((float(cx) + 0.5f) - d6) / (radius_1 / 2.0f);
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if (distX * distX >= 1.0f)
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continue;
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for (int cy = minY; cy <= maxY; cy++)
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{
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float distY = ((float(cy) + 0.5f) - d7) / (radius_2 / 2.0f);
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if (distX * distX + distY * distY >= 1.0f)
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continue;
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for (int cz = minZ; cz <= maxZ; cz++)
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{
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float distZ = ((float(cz) + 0.5f) - d8) / (radius_1 / 2.0f);
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if (distX * distX + distY * distY + distZ * distZ >= 1.0f)
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continue;
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if (level->getTile(cx, cy, cz) == Tile::rock->m_ID)
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level->setTileNoUpdate(cx, cy, cz, m_ID);
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}
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}
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}
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}
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return true;
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}
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