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author | Mattes D <github@xoft.cz> | 2019-10-16 10:06:34 +0200 |
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committer | GitHub <noreply@github.com> | 2019-10-16 10:06:34 +0200 |
commit | 221cc4ec5cb6301743e947eaabed3fecedba796f (patch) | |
tree | 4e44c8bb7523e5d1d04468fc906ae24674c10abc /src/Blocks/BlockEntity.h | |
parent | Fixed crash in hopper while pulling items from blockentity above itself (#4412) (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/Blocks/BlockEntity.h | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/src/Blocks/BlockEntity.h b/src/Blocks/BlockEntity.h index 77d6a7f1e..f592dbd83 100644 --- a/src/Blocks/BlockEntity.h +++ b/src/Blocks/BlockEntity.h @@ -3,23 +3,40 @@ #include "BlockHandler.h" #include "ChunkInterface.h" +#include "../Item.h" +#include "../BlockEntities/BlockEntityWithItems.h" -class cBlockEntityHandler : public cBlockHandler + +/** Wrapper for blocks that have a cBlockEntity descendant attached to them and can be "used" by the player. +Forwards the "use" event to the block entity. */ +class cBlockEntityHandler: + public cBlockHandler { + using super = cBlockHandler; + public: - cBlockEntityHandler(BLOCKTYPE a_BlockType) - : cBlockHandler(a_BlockType) + + cBlockEntityHandler(BLOCKTYPE a_BlockType): + super(a_BlockType) { } + + + + virtual bool OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer & a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override { return a_ChunkInterface.UseBlockEntity(&a_Player, a_BlockX, a_BlockY, a_BlockZ); } + + + + virtual bool IsUseable() override { return true; @@ -29,3 +46,35 @@ public: + +/** Wrapper for blocks that have a cBlockEntityWithItems descendant attached to them. +When converting to pickups, drops self with meta reset to zero, and adds the container contents. */ +template <typename Base = cBlockEntityHandler> +class cContainerEntityHandler: + public Base +{ +public: + + cContainerEntityHandler(BLOCKTYPE a_BlockType): + Base(a_BlockType) + { + } + + + + + + virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override + { + // Reset meta to 0 + cItems res(cItem(Base::m_BlockType, 1, 0)); + + // Drop the contents: + if (a_BlockEntity != nullptr) + { + auto container = static_cast<cBlockEntityWithItems *>(a_BlockEntity); + res.AddItemGrid(container->GetContents()); + } + return res; + } +}; |