68cced73af
* BlockHandler initialisation is a constant expression If we can't make it all namespaces, this is the next best I guess. + Tag handlers constexpr, const as needed + Inherit constructors * Privatise handler functions * More constexpr Co-authored-by: Alexander Harkness <me@bearbin.net>
41 lines
865 B
C++
41 lines
865 B
C++
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#pragma once
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#include "BlockHandler.h"
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#include "Mixins.h"
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class cBlockObserverHandler:
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public cClearMetaOnDrop<cPitchYawRotator<cBlockHandler>>
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{
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using Super = cClearMetaOnDrop<cPitchYawRotator<cBlockHandler>>;
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public:
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using Super::Super;
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inline static Vector3i GetObservingFaceOffset(NIBBLETYPE a_Meta)
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{
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return -GetSignalOutputOffset(a_Meta);
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}
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inline static Vector3i GetSignalOutputOffset(NIBBLETYPE a_Meta)
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{
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switch (a_Meta & 0x7)
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{
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case 0x00: return { 0, 1, 0 };
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case 0x01: return { 0, -1, 0 };
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case 0x02: return { 0, 0, 1 };
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case 0x03: return { 0, 0, -1 };
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case 0x04: return { 1, 0, 0 };
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case 0x05: return { -1, 0, 0 };
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default:
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{
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LOGWARNING("%s: Unknown metadata: %d", __FUNCTION__, a_Meta);
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ASSERT(!"Unknown metadata while determining orientation of observer!");
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return { 0, 0, 0 };
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}
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}
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}
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};
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