134 lines
3.1 KiB
C++
134 lines
3.1 KiB
C++
|
|
#pragma once
|
|
|
|
#include "BlockPlant.h"
|
|
#include "../FastRandom.h"
|
|
|
|
|
|
|
|
|
|
|
|
/** Common class that takes care of beetroots, carrots, potatoes and wheat */
|
|
template <NIBBLETYPE RipeMeta>
|
|
class cBlockCropsHandler final :
|
|
public cBlockPlant<true>
|
|
{
|
|
using Super = cBlockPlant<true>;
|
|
|
|
public:
|
|
|
|
using Super::Super;
|
|
|
|
private:
|
|
|
|
/** Calculate the number of seeds to drop when the crop is broken. */
|
|
static char CalculateSeedCount(char a_Min, char a_BaseRolls, unsigned char a_FortuneLevel)
|
|
{
|
|
std::binomial_distribution<> Binomial(a_BaseRolls + a_FortuneLevel, 0.57);
|
|
return static_cast<char>(a_Min + Binomial(GetRandomProvider().Engine()));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
virtual cItems ConvertToPickups(const NIBBLETYPE a_BlockMeta, const cItem * const a_Tool) const override
|
|
{
|
|
auto & rand = GetRandomProvider();
|
|
|
|
// If not fully grown, drop the "seed" of whatever is growing:
|
|
if (a_BlockMeta < RipeMeta)
|
|
{
|
|
switch (m_BlockType)
|
|
{
|
|
case E_BLOCK_BEETROOTS: return cItem(E_ITEM_BEETROOT_SEEDS);
|
|
case E_BLOCK_CROPS: return cItem(E_ITEM_SEEDS);
|
|
case E_BLOCK_CARROTS: return cItem(E_ITEM_CARROT);
|
|
case E_BLOCK_POTATOES: return cItem(E_ITEM_POTATO);
|
|
}
|
|
|
|
ASSERT(!"Unhandled block type");
|
|
return {};
|
|
}
|
|
|
|
// Fully grown, drop the crop's produce:
|
|
cItems Res;
|
|
|
|
switch (m_BlockType)
|
|
{
|
|
case E_BLOCK_BEETROOTS:
|
|
{
|
|
const auto SeedCount = CalculateSeedCount(0, 3, ToolFortuneLevel(a_Tool));
|
|
Res.Add(E_ITEM_BEETROOT_SEEDS, SeedCount);
|
|
Res.Add(E_ITEM_BEETROOT);
|
|
break;
|
|
}
|
|
case E_BLOCK_CROPS:
|
|
{
|
|
// https://minecraft.fandom.com/wiki/Seeds_(Wheat)
|
|
Res.Add(E_ITEM_WHEAT);
|
|
const auto SeedCount = CalculateSeedCount(1, 3, ToolFortuneLevel(a_Tool));
|
|
Res.Add(E_ITEM_SEEDS, SeedCount);
|
|
break;
|
|
}
|
|
case E_BLOCK_CARROTS:
|
|
{
|
|
// https://minecraft.gamepedia.com/Carrot#Breaking
|
|
const auto CarrotCount = CalculateSeedCount(1, 4, ToolFortuneLevel(a_Tool));
|
|
Res.Add(E_ITEM_CARROT, CarrotCount);
|
|
break;
|
|
}
|
|
case E_BLOCK_POTATOES:
|
|
{
|
|
// https://minecraft.gamepedia.com/Potato#Breaking
|
|
const auto PotatoCount = CalculateSeedCount(2, 3, ToolFortuneLevel(a_Tool));
|
|
Res.Add(E_ITEM_POTATO, PotatoCount);
|
|
if (rand.RandBool(0.02))
|
|
{
|
|
// https://minecraft.gamepedia.com/Poisonous_Potato#Obtaining
|
|
// With a 2% chance, drop a poisonous potato as well:
|
|
Res.Add(E_ITEM_POISONOUS_POTATO);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
ASSERT(!"Unhandled block type");
|
|
break;
|
|
}
|
|
} // switch (m_BlockType)
|
|
return Res;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
virtual int Grow(cChunk & a_Chunk, Vector3i a_RelPos, int a_NumStages = 1) const override
|
|
{
|
|
const auto OldMeta = a_Chunk.GetMeta(a_RelPos);
|
|
const auto NewMeta = std::clamp<NIBBLETYPE>(static_cast<NIBBLETYPE>(OldMeta + a_NumStages), 0, RipeMeta);
|
|
a_Chunk.SetMeta(a_RelPos, NewMeta);
|
|
return NewMeta - OldMeta;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
virtual bool CanBeAt(const cChunk & a_Chunk, const Vector3i a_Position, const NIBBLETYPE a_Meta) const override
|
|
{
|
|
return (a_Position.y > 0) && (a_Chunk.GetBlock(a_Position.addedY(-1)) == E_BLOCK_FARMLAND);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) const override
|
|
{
|
|
UNUSED(a_Meta);
|
|
return 7;
|
|
}
|
|
};
|