3f6d823aa4
Unify the way we test block above the current one (Height - 1 instead of a_RelY + 1). Allow generation of world of flat height = 255
143 lines
3.2 KiB
C++
143 lines
3.2 KiB
C++
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#include "ChestEntity.h"
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#include "../Item.h"
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#include "../Entities/Player.h"
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#include "../UI/ChestWindow.h"
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cChestEntity::cChestEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World, BLOCKTYPE a_Type) :
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super(a_Type, a_BlockX, a_BlockY, a_BlockZ, ContentsWidth, ContentsHeight, a_World),
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m_NumActivePlayers(0)
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{
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}
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cChestEntity::~cChestEntity()
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{
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cWindow * Window = GetWindow();
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if (Window != nullptr)
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{
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Window->OwnerDestroyed();
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}
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}
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void cChestEntity::SendTo(cClientHandle & a_Client)
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{
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// The chest entity doesn't need anything sent to the client when it's created / gets in the viewdistance
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// All the actual handling is in the cWindow UI code that gets called when the chest is rclked
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UNUSED(a_Client);
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}
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void cChestEntity::UsedBy(cPlayer * a_Player)
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{
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// If the window is not created, open it anew:
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cWindow * Window = GetWindow();
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if (Window == nullptr)
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{
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OpenNewWindow();
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Window = GetWindow();
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}
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// Open the window for the player:
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if (Window != nullptr)
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{
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if (a_Player->GetWindow() != Window)
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{
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a_Player->OpenWindow(Window);
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}
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}
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// This is rather a hack
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// Instead of marking the chunk as dirty upon chest contents change, we mark it dirty now
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// We cannot properly detect contents change, but such a change doesn't happen without a player opening the chest first.
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// The few false positives aren't much to worry about
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int ChunkX, ChunkZ;
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cChunkDef::BlockToChunk(m_PosX, m_PosZ, ChunkX, ChunkZ);
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m_World->MarkChunkDirty(ChunkX, ChunkZ, true);
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}
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void cChestEntity::OpenNewWindow(void)
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{
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// TODO: cats are an obstruction
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if ((GetPosY() < cChunkDef::Height - 1) && cBlockInfo::IsSolid(GetWorld()->GetBlock(GetPosX(), GetPosY() + 1, GetPosZ())))
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{
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// Obstruction, don't open
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return;
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}
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// Callback for opening together with neighbor chest:
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class cOpenDouble :
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public cChestCallback
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{
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cChestEntity * m_ThisChest;
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public:
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cOpenDouble(cChestEntity * a_ThisChest) :
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m_ThisChest(a_ThisChest)
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{
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}
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virtual bool Item(cChestEntity * a_Chest) override
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{
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if ((a_Chest->GetPosY() < cChunkDef::Height - 1) && cBlockInfo::IsSolid(a_Chest->GetWorld()->GetBlock(a_Chest->GetPosX(), a_Chest->GetPosY() + 1, a_Chest->GetPosZ())))
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{
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// Obstruction, don't open
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return false;
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}
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// The primary chest should eb the one with lesser X or Z coord:
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cChestEntity * Primary = a_Chest;
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cChestEntity * Secondary = m_ThisChest;
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if (
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(Primary->GetPosX() > Secondary->GetPosX()) ||
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(Primary->GetPosZ() > Secondary->GetPosZ())
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)
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{
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std::swap(Primary, Secondary);
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}
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m_ThisChest->OpenWindow(new cChestWindow(Primary, Secondary));
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return false;
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}
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} ;
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// Scan neighbors for adjacent chests:
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cOpenDouble OpenDbl(this);
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if (
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m_World->DoWithChestAt(m_PosX - 1, m_PosY, m_PosZ, OpenDbl) ||
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m_World->DoWithChestAt(m_PosX + 1, m_PosY, m_PosZ, OpenDbl) ||
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m_World->DoWithChestAt(m_PosX, m_PosY, m_PosZ - 1, OpenDbl) ||
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m_World->DoWithChestAt(m_PosX, m_PosY, m_PosZ + 1, OpenDbl)
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)
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{
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// The double-chest window has been opened in the callback
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return;
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}
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// There is no chest neighbor, open a single-chest window:
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OpenWindow(new cChestWindow(this));
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}
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