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239
source/world/tile/FireTile.cpp
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239
source/world/tile/FireTile.cpp
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/********************************************************************
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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 "Tile.hpp"
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#include "Level.hpp"
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FireTile::FireTile(int ID, int texture) : Tile(ID, texture, Material::fire)
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{
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// @BUG: Uninitialized memory can cause the odds of normally inflammable items to go
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// out of reasonable limits, therefore causing the bug demonstrated in the following video:
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// https://www.youtube.com/watch?v=3hrz7KK2EJs
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#ifndef ORIGINAL_CODE
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memset(m_igniteOdds, 0, sizeof m_igniteOdds);
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memset(m_burnOdds, 0, sizeof m_burnOdds);
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#endif
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m_igniteOdds[Tile::wood->m_ID] = 5;
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m_burnOdds [Tile::wood->m_ID] = 20;
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m_igniteOdds[Tile::treeTrunk->m_ID] = 5;
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m_burnOdds [Tile::treeTrunk->m_ID] = 5;
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m_igniteOdds[Tile::leaves->m_ID] = 30;
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m_burnOdds [Tile::leaves->m_ID] = 60;
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m_igniteOdds[Tile::tnt->m_ID] = 15;
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m_burnOdds [Tile::tnt->m_ID] = 100;
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m_igniteOdds[Tile::cloth->m_ID] = 30;
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m_burnOdds [Tile::cloth->m_ID] = 60;
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// @NOTE: Not setting the other cloths' properties
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setTicking(true);
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}
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int FireTile::getRenderShape()
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{
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// @BUG: Since the shape is set to FIRE, but TileRenderer doesn't handle it,
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// fire is invisible in this version of Minecraft.
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return SHAPE_FIRE;
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}
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bool FireTile::isSolidRender()
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{
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return false;
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}
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bool FireTile::isCubeShaped()
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{
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return false;
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}
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AABB* FireTile::getAABB(Level* level, int x, int y, int z)
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{
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return nullptr;
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}
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int FireTile::getResourceCount(Random* random)
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{
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return 0;
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}
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int FireTile::getTickDelay()
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{
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return 10;
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}
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void FireTile::animateTick(Level* level, int x, int y, int z, Random* random)
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{
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// @TODO: Mark Tile::fire as FireTile* instead of Tile*
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FireTile* pFireTile = (FireTile*)Tile::fire;
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if (level->isSolidTile(x, y - 1, z) || pFireTile->canBurn(level, x, y - 1, z))
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{
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for (int i = 0; i < 3; i++)
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{
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level->addParticle("largesmoke", float(x) + random->nextFloat(), float(y) + random->nextFloat() * 0.5f + 0.5f, float(z) + random->nextFloat(), 0.0f, 0.0f, 0.0f);
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}
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return;
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}
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if (pFireTile->canBurn(level, x - 1, y, z))
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level->addParticle("largesmoke", float(x) + random->nextFloat() * 0.1f, float(y) + random->nextFloat(), float(z) + random->nextFloat(), 0.0f, 0.0f, 0.0f);
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if (pFireTile->canBurn(level, x + 1, y, z))
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level->addParticle("largesmoke", float(x + 1) - random->nextFloat() * 0.1f, float(y) + random->nextFloat(), float(z) + random->nextFloat(), 0.0f, 0.0f, 0.0f);
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if (pFireTile->canBurn(level, x, y, z - 1))
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level->addParticle("largesmoke", float(x) + random->nextFloat(), float(y) + random->nextFloat(), float(z) + random->nextFloat() * 0.1f, 0.0f, 0.0f, 0.0f);
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if (pFireTile->canBurn(level, x, y, z + 1))
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level->addParticle("largesmoke", float(x) + random->nextFloat(), float(y) + random->nextFloat(), float(z + 1) - random->nextFloat() * 0.1f, 0.0f, 0.0f, 0.0f);
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if (pFireTile->canBurn(level, x, y + 1, z))
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level->addParticle("largesmoke", float(x) + random->nextFloat(), float(y + 1) - random->nextFloat() * 0.1f, float(z) + random->nextFloat(), 0.0f, 0.0f, 0.0f);
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}
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void FireTile::checkBurn(Level* level, int x, int y, int z, int thing, Random* random)
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{
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if (m_burnOdds[level->getTile(x, y, z)] > int(random->nextInt(thing)))
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{
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TileID tid = level->getTile(x, y, z);
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TileID newTile = m_ID;
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if (random->nextInt(2))
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newTile = TILE_AIR;
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level->setTile(x, y, z, newTile);
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if (tid == Tile::tnt->m_ID)
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Tile::tnt->destroy(level, x, y, z, 0);
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}
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}
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int FireTile::getFireOdds(Level* level, int x, int y, int z)
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{
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if (!level->isEmptyTile(x, y, z))
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return 0;
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int odds = m_igniteOdds[level->getTile(x + 1, y, z)], o;
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if (odds < 0)
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odds = 0;
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o = m_igniteOdds[level->getTile(x - 1, y, z)];
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if (odds < o) odds = o;
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o = m_igniteOdds[level->getTile(x, y - 1, z)];
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if (odds < o) odds = o;
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o = m_igniteOdds[level->getTile(x, y + 1, z)];
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if (odds < o) odds = o;
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o = m_igniteOdds[level->getTile(x, y, z - 1)];
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if (odds < o) odds = o;
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o = m_igniteOdds[level->getTile(x, y, z + 1)];
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if (odds < o) odds = o;
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return odds;
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}
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bool FireTile::isValidFireLocation(Level* level, int x, int y, int z)
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{
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if (canBurn(level, x + 1, y, z)) return true;
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if (canBurn(level, x - 1, y, z)) return true;
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if (canBurn(level, x, y - 1, z)) return true;
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if (canBurn(level, x, y + 1, z)) return true;
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if (canBurn(level, x, y, z - 1)) return true;
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if (canBurn(level, x, y, z + 1)) return true;
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return false;
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}
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bool FireTile::mayPick()
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{
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//return false;
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return true; // @TODO: For testing
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}
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bool FireTile::mayPlace(Level* level, int x, int y, int z)
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{
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// @NOTE: This is useless as you usually don't 'place' fire.
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if (level->isSolidTile(x, y - 1, z))
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return true;
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return isValidFireLocation(level, x, y, z);
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}
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void FireTile::neighborChanged(Level* level, int x, int y, int z, int dir)
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{
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if (!level->isSolidTile(x, y - 1, z) && !isValidFireLocation(level, x, y, z))
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level->setTile(x, y, z, TILE_AIR);
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}
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void FireTile::onPlace(Level* level, int x, int y, int z)
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{
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// @NOTE: Unused return result
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level->getTile(x, y - 1, z);
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if (!level->isSolidTile(x, y - 1, z) && !isValidFireLocation(level, x, y, z))
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{
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level->setTile(x, y, z, TILE_AIR);
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return;
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}
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level->addToTickNextTick(x, y, z, m_ID, getTickDelay());
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}
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void FireTile::tick(Level* level, int x, int y, int z, Random* random)
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{
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int data = level->getData(x, y, z);
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if (data <= 14)
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{
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level->setData(x, y, z, data + 1);
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level->addToTickNextTick(x, y, z, m_ID, getTickDelay());
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}
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if (isValidFireLocation(level, x, y, z))
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{
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if (m_igniteOdds[level->getTile(x, y - 1, z)] <= 0 && data == 15 && !random->nextInt(4))
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{
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// just go out
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level->setTile(x, y, z, TILE_AIR);
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return;
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}
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if (data > 2 && (data & 1) == 0)
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{
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checkBurn(level, x + 1, y, z, 300, random);
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checkBurn(level, x - 1, y, z, 300, random);
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checkBurn(level, x, y - 1, z, 250, random);
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checkBurn(level, x, y + 1, z, 250, random);
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checkBurn(level, x, y, z - 1, 300, random);
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checkBurn(level, x, y, z + 1, 300, random);
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for (int xi = x - 1; xi <= x + 1; xi++)
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{
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for (int zi = z - 1; zi <= z + 1; zi++)
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{
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for (int yi = y - 1, thing = -100; yi <= y + 4; yi++, thing += 100)
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{
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if (yi == y && xi == x && zi == z)
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continue;
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int thing2 = y + 1 >= yi ? 100 : thing;
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int odds = getFireOdds(level, xi, yi, zi);
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if (odds > 0 && odds >= int(random->nextInt(thing2)))
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level->setTile(xi, yi, zi, m_ID);
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}
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}
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}
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}
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if (data == 15)
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{
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checkBurn(level, x + 1, y, z, 1, random);
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checkBurn(level, x - 1, y, z, 1, random);
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checkBurn(level, x, y - 1, z, 1, random);
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checkBurn(level, x, y + 1, z, 1, random);
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checkBurn(level, x, y, z - 1, 1, random);
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checkBurn(level, x, y, z + 1, 1, random);
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}
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}
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else if (!level->isSolidTile(x, y - 1, z) || data > 3)
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{
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level->setTile(x, y, z, TILE_AIR);
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}
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}
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