2013-07-29 07:13:03 -04:00
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#pragma once
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#include "BlockHandler.h"
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2014-03-30 17:13:13 -04:00
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#include "../FastRandom.h"
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2018-08-28 20:51:25 -04:00
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#include "../Root.h"
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#include "../Bindings/PluginManager.h"
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2013-07-29 07:13:03 -04:00
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2015-06-30 10:50:15 -04:00
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/** Handler used for all types of dirt and grass */
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2013-07-29 07:13:03 -04:00
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class cBlockDirtHandler :
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public cBlockHandler
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{
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public:
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cBlockDirtHandler(BLOCKTYPE a_BlockType)
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: cBlockHandler(a_BlockType)
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{
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}
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2016-02-05 16:45:45 -05:00
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2013-07-29 07:13:03 -04:00
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virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
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{
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2014-09-30 14:31:27 -04:00
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if (a_BlockMeta == E_META_DIRT_COARSE)
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{
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// Drop the coarse block (dirt, meta 1)
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2014-09-30 14:59:59 -04:00
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a_Pickups.Add(E_BLOCK_DIRT, 1, E_META_DIRT_COARSE);
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2014-09-30 14:31:27 -04:00
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}
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else
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{
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2014-09-30 14:59:59 -04:00
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a_Pickups.Add(E_BLOCK_DIRT, 1, E_META_DIRT_NORMAL);
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2014-09-30 14:31:27 -04:00
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}
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2013-07-29 07:13:03 -04:00
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}
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2016-02-05 16:45:45 -05:00
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2014-02-02 09:49:37 -05:00
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virtual void OnUpdate(cChunkInterface & cChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_PluginInterface, cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
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2013-07-29 07:13:03 -04:00
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{
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if (m_BlockType != E_BLOCK_GRASS)
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{
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return;
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}
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2015-03-05 14:29:57 -05:00
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// Make sure that there is enough light at the source block to spread
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if (!a_Chunk.GetWorld()->IsChunkLighted(a_Chunk.GetPosX(), a_Chunk.GetPosZ()))
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{
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a_Chunk.GetWorld()->QueueLightChunk(a_Chunk.GetPosX(), a_Chunk.GetPosZ());
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return;
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}
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2015-06-22 13:29:38 -04:00
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else if ((a_RelY < cChunkDef::Height - 1))
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2015-03-05 14:29:57 -05:00
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{
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2015-07-02 18:16:05 -04:00
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BLOCKTYPE above = a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ);
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2016-02-05 16:45:45 -05:00
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2016-04-16 14:50:13 -04:00
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// Grass turns back to dirt when the block above it is not transparent or water.
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// It does not turn to dirt when a snow layer is above.
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if ((above != E_BLOCK_SNOW) &&
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(!cBlockInfo::IsTransparent(above) || IsBlockWater(above)))
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2015-06-22 13:29:38 -04:00
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{
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a_Chunk.FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_DIRT, E_META_DIRT_NORMAL);
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return;
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}
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2016-02-05 16:45:45 -05:00
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2015-07-03 15:05:02 -04:00
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NIBBLETYPE light = std::max(a_Chunk.GetBlockLight(a_RelX, a_RelY + 1, a_RelZ), a_Chunk.GetTimeAlteredLight(a_Chunk.GetSkyLight(a_RelX, a_RelY + 1, a_RelZ)));
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2015-03-05 14:29:57 -05:00
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// Source block is not bright enough to spread
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2015-06-22 13:29:38 -04:00
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if (light < 9)
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{
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return;
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}
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2016-02-05 16:45:45 -05:00
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2015-03-05 14:29:57 -05:00
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}
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2013-11-30 07:48:22 -05:00
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// Grass spreads to adjacent dirt blocks:
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2017-06-13 15:35:30 -04:00
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auto & rand = GetRandomProvider();
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2013-07-29 07:13:03 -04:00
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for (int i = 0; i < 2; i++) // Pick two blocks to grow to
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{
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2017-06-13 15:35:30 -04:00
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int OfsX = rand.RandInt(-1, 1);
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int OfsY = rand.RandInt(-3, 1);
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int OfsZ = rand.RandInt(-1, 1);
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2016-02-05 16:45:45 -05:00
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2013-07-29 07:13:03 -04:00
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BLOCKTYPE DestBlock;
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NIBBLETYPE DestMeta;
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2015-11-10 17:06:29 -05:00
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if (!cChunkDef::IsValidHeight(a_RelY + OfsY))
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2013-07-29 07:13:03 -04:00
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{
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// Y Coord out of range
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continue;
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}
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2013-11-30 09:58:27 -05:00
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int BlockX = a_RelX + OfsX;
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int BlockY = a_RelY + OfsY;
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int BlockZ = a_RelZ + OfsZ;
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cChunk * Chunk = a_Chunk.GetRelNeighborChunkAdjustCoords(BlockX, BlockZ);
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2014-10-20 16:55:07 -04:00
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if (Chunk == nullptr)
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2013-07-29 07:13:03 -04:00
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{
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2014-04-06 15:45:55 -04:00
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// Unloaded chunk
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2013-11-30 09:58:27 -05:00
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continue;
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}
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Chunk->GetBlockTypeMeta(BlockX, BlockY, BlockZ, DestBlock, DestMeta);
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if ((DestBlock != E_BLOCK_DIRT) || (DestMeta != E_META_DIRT_NORMAL))
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{
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// Not a regular dirt block
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2013-07-29 07:13:03 -04:00
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continue;
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}
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2016-04-06 09:16:16 -04:00
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BLOCKTYPE above = Chunk->GetBlock(BlockX, BlockY + 1, BlockZ);
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NIBBLETYPE light = std::max(Chunk->GetBlockLight(BlockX, BlockY + 1, BlockZ), Chunk->GetTimeAlteredLight(Chunk->GetSkyLight(BlockX, BlockY + 1, BlockZ)));
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if ((light > 4) &&
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cBlockInfo::IsTransparent(above) &&
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(!IsBlockLava(above)) &&
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(!IsBlockWaterOrIce(above))
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)
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2013-07-29 07:13:03 -04:00
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{
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2014-10-15 13:01:55 -04:00
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if (!cRoot::Get()->GetPluginManager()->CallHookBlockSpread(*Chunk->GetWorld(), Chunk->GetPosX() * cChunkDef::Width + BlockX, BlockY, Chunk->GetPosZ() * cChunkDef::Width + BlockZ, ssGrassSpread))
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2014-03-16 11:06:03 -04:00
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{
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Chunk->FastSetBlock(BlockX, BlockY, BlockZ, E_BLOCK_GRASS, 0);
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}
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2013-07-29 07:13:03 -04:00
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}
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} // for i - repeat twice
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}
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2015-06-30 10:50:15 -04:00
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virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
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{
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UNUSED(a_Meta);
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switch (m_BlockType)
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{
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case E_BLOCK_DIRT: return 10;
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case E_BLOCK_GRASS: return 1;
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default:
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{
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ASSERT(!"Unhandled blocktype in dirt handler!");
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return 0;
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}
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}
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}
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2013-07-29 07:13:03 -04:00
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} ;
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