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cuberite-2a/src/BlockEntities/BeaconEntity.cpp

386 lines
6.9 KiB
C++

#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#include "BeaconEntity.h"
#include "../BlockArea.h"
#include "../Entities/Player.h"
cBeaconEntity::cBeaconEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World)
: super(E_BLOCK_BEACON, a_BlockX, a_BlockY, a_BlockZ, 1, 1, a_World)
, m_IsActive(false)
, m_BeaconLevel(0)
, m_PrimaryPotion(cEntityEffect::effNoEffect)
, m_SecondaryPotion(cEntityEffect::effNoEffect)
{
UpdateBeacon();
}
char cBeaconEntity::CalculatePyramidLevel(void)
{
cBlockArea Area;
int MinY = std::max(GetPosY() - 4, 0);
int MaxY = std::max(GetPosY() - 1, 0);
Area.Read(
m_World,
GetPosX() - 4, GetPosX() + 4,
MinY, MaxY,
GetPosZ() - 4, GetPosZ() + 4,
cBlockArea::baTypes
);
int Layer = 1;
int MiddleXZ = 4;
for (int Y = (Area.GetSizeY() - 1); Y >= 0; Y--)
{
for (int X = MiddleXZ - Layer; X <= (MiddleXZ + Layer); X++)
{
for (int Z = MiddleXZ - Layer; Z <= (MiddleXZ + Layer); Z++)
{
if (!IsMineralBlock(Area.GetRelBlockType(X, Y, Z)))
{
return (Layer - 1);
}
}
}
Layer++;
}
return (Layer - 1);
}
bool cBeaconEntity::IsValidPotion(cEntityEffect::eType a_Potion, char a_BeaconLevel)
{
if (a_Potion == cEntityEffect::effNoEffect)
{
return true;
}
switch (a_BeaconLevel)
{
case 4:
{
// Beacon level 4
if (a_Potion == cEntityEffect::effRegeneration)
{
return true;
}
}
case 3:
{
// Beacon level 3
if (a_Potion == cEntityEffect::effStrength)
{
return true;
}
}
case 2:
{
// Beacon level 2
switch (a_Potion)
{
case cEntityEffect::effResistance:
case cEntityEffect::effJumpBoost:
{
return true;
}
}
}
case 1:
{
// Beacon level 1
switch (a_Potion)
{
case cEntityEffect::effSpeed:
case cEntityEffect::effHaste:
{
return true;
}
}
}
}
return false;
}
bool cBeaconEntity::SelectPrimaryPotion(cEntityEffect::eType a_Potion)
{
if (!IsValidPotion(a_Potion, m_BeaconLevel))
{
return false;
}
m_PrimaryPotion = a_Potion;
return true;
}
bool cBeaconEntity::SelectSecondaryPotion(cEntityEffect::eType a_Potion)
{
if (!IsValidPotion(a_Potion, m_BeaconLevel))
{
return false;
}
m_SecondaryPotion = a_Potion;
return true;
}
bool cBeaconEntity::IsBeaconBlocked(void)
{
bool IsBlocked = false;
for (int Y = m_PosY; Y < cChunkDef::Height; ++Y)
{
BLOCKTYPE Block = m_World->GetBlock(m_PosX, Y, m_PosZ);
if (!cBlockInfo::IsTransparent(Block))
{
IsBlocked = true;
break;
}
}
return IsBlocked;
}
bool cBeaconEntity::IsMineralBlock(BLOCKTYPE a_BlockType)
{
switch (a_BlockType)
{
case E_BLOCK_DIAMOND_BLOCK:
case E_BLOCK_GOLD_BLOCK:
case E_BLOCK_IRON_BLOCK:
case E_BLOCK_EMERALD_BLOCK:
{
return true;
}
}
return false;
}
void cBeaconEntity::UpdateBeacon(void)
{
if (IsBeaconBlocked())
{
m_IsActive = false;
m_BeaconLevel = 0;
}
else
{
m_BeaconLevel = CalculatePyramidLevel();
m_IsActive = (m_BeaconLevel > 0);
}
// TODO: Add achievement
}
void cBeaconEntity::GiveEffects(void)
{
if (!m_IsActive || (m_BeaconLevel < 0))
{
return;
}
int Radius = m_BeaconLevel * 10 + 10;
short EffectLevel = 0;
if ((m_BeaconLevel >= 4) && (m_PrimaryPotion == m_SecondaryPotion))
{
EffectLevel = 1;
}
cEntityEffect::eType SecondaryPotion = cEntityEffect::effNoEffect;
if ((m_BeaconLevel >= 4) && (m_PrimaryPotion != m_SecondaryPotion) && (m_SecondaryPotion > 0))
{
SecondaryPotion = m_SecondaryPotion;
}
class cPlayerCallback : public cPlayerListCallback
{
int m_Radius;
int m_PosX, m_PosY, m_PosZ;
cEntityEffect::eType m_PrimaryPotion, m_SecondaryPotion;
short m_EffectLevel;
virtual bool Item(cPlayer * a_Player)
{
Vector3d PlayerPosition = Vector3d(a_Player->GetPosition());
if (PlayerPosition.y > (double)m_PosY)
{
PlayerPosition.y = (double)m_PosY;
}
// TODO: Vanilla minecraft uses an AABB check instead of a radius one
Vector3d BeaconPosition = Vector3d(m_PosX, m_PosY, m_PosZ);
if ((PlayerPosition - BeaconPosition).Length() <= m_Radius)
{
a_Player->AddEntityEffect(m_PrimaryPotion, 180, m_EffectLevel);
if (m_SecondaryPotion != cEntityEffect::effNoEffect)
{
a_Player->AddEntityEffect(m_SecondaryPotion, 180, 0);
}
}
return false;
}
public:
cPlayerCallback(int a_Radius, int a_PosX, int a_PosY, int a_PosZ, cEntityEffect::eType a_PrimaryPotion, cEntityEffect::eType a_SecondaryPotion, short a_EffectLevel)
: m_Radius(a_Radius)
, m_PosX(a_PosX)
, m_PosY(a_PosY)
, m_PosZ(a_PosZ)
, m_PrimaryPotion(a_PrimaryPotion)
, m_SecondaryPotion(a_SecondaryPotion)
, m_EffectLevel(a_EffectLevel)
{};
} PlayerCallback(Radius, m_PosX, m_PosY, m_PosZ, m_PrimaryPotion, SecondaryPotion, EffectLevel);
GetWorld()->ForEachPlayer(PlayerCallback);
}
bool cBeaconEntity::Tick(float a_Dt, cChunk & a_Chunk)
{
// Update the beacon every 4 seconds
if ((GetWorld()->GetWorldAge() % 80) == 0)
{
UpdateBeacon();
GiveEffects();
}
return false;
}
void cBeaconEntity::UsedBy(cPlayer * a_Player)
{
cWindow * Window = GetWindow();
if (Window == NULL)
{
OpenWindow(new cBeaconWindow(m_PosX, m_PosY, m_PosZ, this));
Window = GetWindow();
}
if (Window != NULL)
{
// if (a_Player->GetWindow() != Window)
// -> Because mojang doesn't send a 'close window' packet when you click the cancel button in the beacon inventory ...
{
a_Player->OpenWindow(Window);
}
}
}
bool cBeaconEntity::LoadFromJson(const Json::Value & a_Value)
{
m_PosX = a_Value.get("x", 0).asInt();
m_PosY = a_Value.get("y", 0).asInt();
m_PosZ = a_Value.get("z", 0).asInt();
Json::Value AllSlots = a_Value.get("Slots", 0);
int SlotIdx = 0;
for (Json::Value::iterator itr = AllSlots.begin(); itr != AllSlots.end(); ++itr)
{
cItem Item;
Item.FromJson(*itr);
SetSlot(SlotIdx, Item);
SlotIdx++;
}
m_BeaconLevel = (char)a_Value.get("Level", 0).asInt();
int PrimaryPotion = a_Value.get("PrimaryPotion", 0).asInt();
int SecondaryPotion = a_Value.get("SecondaryPotion", 0).asInt();
if ((PrimaryPotion >= 0) && (PrimaryPotion <= (int)cEntityEffect::effSaturation))
{
m_PrimaryPotion = (cEntityEffect::eType)PrimaryPotion;
}
if ((SecondaryPotion >= 0) && (SecondaryPotion <= (int)cEntityEffect::effSaturation))
{
m_SecondaryPotion = (cEntityEffect::eType)SecondaryPotion;
}
return true;
}
void cBeaconEntity::SaveToJson(Json::Value& a_Value)
{
a_Value["x"] = m_PosX;
a_Value["y"] = m_PosY;
a_Value["z"] = m_PosZ;
Json::Value AllSlots;
int NumSlots = m_Contents.GetNumSlots();
for (int i = 0; i < NumSlots; i++)
{
Json::Value Slot;
m_Contents.GetSlot(i).GetJson(Slot);
AllSlots.append(Slot);
}
a_Value["Slots"] = AllSlots;
a_Value["Level"] = m_BeaconLevel;
a_Value["PrimaryPotion"] = (int)m_PrimaryPotion;
a_Value["SecondaryPotion"] = (int)m_SecondaryPotion;
}
void cBeaconEntity::SendTo(cClientHandle & a_Client)
{
a_Client.SendUpdateBlockEntity(*this);
}