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authorTiger Wang <ziwei.tiger@outlook.com>2015-12-19 22:20:56 +0100
committerTiger Wang <ziwei.tiger@outlook.com>2015-12-19 22:20:56 +0100
commitb8752bb26e91bcdcebfb8dd43e5794251ff70a89 (patch)
tree95048f5a2a833c1d43785f6eaea070627c2b9ebe /src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h
parentMerge pull request #2776 from cuberite/AtomicBoolIsthread (diff)
parentReorganised the redstone simulator (diff)
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Diffstat (limited to 'src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h')
-rw-r--r--src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h136
1 files changed, 136 insertions, 0 deletions
diff --git a/src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h b/src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h
new file mode 100644
index 000000000..d472d2dfb
--- /dev/null
+++ b/src/Simulator/IncrementalRedstoneSimulator/TripwireHookHandler.h
@@ -0,0 +1,136 @@
+
+#pragma once
+
+#include "RedstoneHandler.h"
+#include "Blocks/BlockTripwireHook.h"
+
+
+
+
+
+class cTripwireHookHandler : public cRedstoneHandler
+{
+ typedef cRedstoneHandler super;
+public:
+
+ cTripwireHookHandler(cWorld & a_World) :
+ super(a_World)
+ {
+ }
+
+ virtual unsigned char GetPowerDeliveredToPosition(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const Vector3i & a_QueryPosition, BLOCKTYPE a_QueryBlockType) override
+ {
+ UNUSED(a_QueryBlockType);
+ UNUSED(a_QueryPosition);
+
+ return (GetPowerLevel(a_Position, a_BlockType, a_Meta) == 15) ? 15 : 0;
+ }
+
+ virtual unsigned char GetPowerLevel(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
+ {
+ UNUSED(a_BlockType);
+
+ bool FoundActivated = false;
+ auto Position = a_Position;
+ eBlockFace FaceToGoTowards = cBlockTripwireHookHandler::MetadataToDirection(a_Meta);
+
+ for (int i = 0; i < 40; ++i) // Tripwires can be connected up to 40 blocks
+ {
+ BLOCKTYPE Type;
+ NIBBLETYPE Meta;
+
+ AddFaceDirection(Position.x, Position.y, Position.z, FaceToGoTowards);
+ m_World.GetBlockTypeMeta(Position.x, Position.y, Position.z, Type, Meta);
+
+ if (Type == E_BLOCK_TRIPWIRE)
+ {
+ class cTripwireCallback :
+ public cEntityCallback
+ {
+ public:
+ cTripwireCallback(void) :
+ m_NumberOfEntities(0),
+ m_FoundPlayer(false)
+ {
+ }
+
+ virtual bool Item(cEntity * a_Entity) override
+ {
+ return true;
+ }
+
+ unsigned int m_NumberOfEntities;
+ bool m_FoundPlayer;
+ } TripwireCallback;
+
+ if (!m_World.ForEachEntityInBox(cBoundingBox(Vector3d(0.5, 0, 0.5) + Position, 0.5, 0.5), TripwireCallback))
+ {
+ FoundActivated = true;
+ }
+ }
+ else if (Type == E_BLOCK_TRIPWIRE_HOOK)
+ {
+ if (ReverseBlockFace(cBlockTripwireHookHandler::MetadataToDirection(Meta)) == FaceToGoTowards)
+ {
+ // Other hook facing in opposite direction - circuit completed!
+ return FoundActivated ? 15 : 1;
+ }
+ else
+ {
+ // Tripwire hook not connected at all
+ return 0;
+ }
+ }
+ else
+ {
+ // Tripwire hook not connected at all
+ return 0;
+ }
+ }
+
+ return 0;
+ }
+
+ virtual cVector3iArray Update(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, PoweringData a_PoweringData) override
+ {
+ // LOGD("Evaluating hooky the tripwire hook (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
+
+ auto Power = GetPowerLevel(a_Position, a_BlockType, a_Meta);
+ NIBBLETYPE Meta;
+ if (Power == 0)
+ {
+ Meta = (a_Meta & 0x3);
+ }
+ else if (Power == 1)
+ {
+ // Connected but not activated, AND away the highest bit
+ Meta = (a_Meta & 0x7) | 0x4;
+ }
+ else if (Power == 15)
+ {
+ // Connected and activated, set the 3rd and 4th highest bits
+ Meta = (a_Meta | 0xC);
+ }
+ else
+ {
+ ASSERT(!"Unexpected tripwire hook power level!");
+ return {};
+ }
+
+ if (Meta != a_Meta)
+ {
+ m_World.SetBlockMeta(a_Position, Meta);
+ return GetAdjustedRelatives(a_Position, GetRelativeAdjacents());
+ }
+
+ return {};
+ }
+
+ virtual cVector3iArray GetValidSourcePositions(const Vector3i & a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta) override
+ {
+ UNUSED(a_BlockType);
+ UNUSED(a_Meta);
+ UNUSED(a_Position);
+ return {};
+ }
+};