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-rw-r--r--src/Blocks/BlockCactus.h111
1 files changed, 85 insertions, 26 deletions
diff --git a/src/Blocks/BlockCactus.h b/src/Blocks/BlockCactus.h
index f33c17153..8c24cda9f 100644
--- a/src/Blocks/BlockCactus.h
+++ b/src/Blocks/BlockCactus.h
@@ -1,4 +1,3 @@
-
#pragma once
#include "BlockPlant.h"
@@ -8,9 +7,9 @@
class cBlockCactusHandler :
- public cBlockPlant<false>
+ public cClearMetaOnDrop<cBlockPlant<false>>
{
- using super = cBlockPlant<false>;
+ using super = cClearMetaOnDrop<cBlockPlant<false>>;
public:
@@ -23,16 +22,6 @@ public:
- virtual cItems ConvertToPickups(NIBBLETYPE a_BlockMeta, cBlockEntity * a_BlockEntity, const cEntity * a_Digger, const cItem * a_Tool) override
- {
- // Reset meta to 0
- return cItem(m_BlockType, 1, 0);
- }
-
-
-
-
-
virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
{
if (a_RelY <= 0)
@@ -77,13 +66,9 @@ public:
return true;
}
- virtual void OnUpdate(cChunkInterface & cChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_PluginInterface, cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
- {
- if (CanGrow(a_Chunk, a_RelX, a_RelY, a_RelZ) == paGrowth)
- {
- a_Chunk.GetWorld()->GrowCactus(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, 1);
- }
- }
+
+
+
virtual ColourID GetMapBaseColourID(NIBBLETYPE a_Meta) override
{
@@ -91,17 +76,91 @@ public:
return 7;
}
-protected:
- virtual PlantAction CanGrow(cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ) override
+
+
+ virtual int Grow(cChunk & a_Chunk, Vector3i a_RelPos, int a_NumStages = 1) override
{
- auto Action = paStay;
- if (((a_RelY + 1) < cChunkDef::Height) && (a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ) == E_BLOCK_AIR))
+ // Check the total height of the cacti blocks here:
+ int top = a_RelPos.y + 1;
+ while (
+ (top < cChunkDef::Height) &&
+ (a_Chunk.GetBlock({a_RelPos.x, top, a_RelPos.z}) == E_BLOCK_CACTUS)
+ )
+ {
+ ++top;
+ }
+ int bottom = a_RelPos.y - 1;
+ while (
+ (bottom > 0) &&
+ (a_Chunk.GetBlock({a_RelPos.x, bottom, a_RelPos.z}) == E_BLOCK_CACTUS)
+ )
+ {
+ --bottom;
+ }
+
+ // Refuse if already too high:
+ auto numToGrow = std::min(a_NumStages, a_Chunk.GetWorld()->GetMaxCactusHeight() + 1 - (top - bottom));
+ if (numToGrow <= 0)
{
- Action = super::CanGrow(a_Chunk, a_RelX, a_RelY, a_RelZ);
+ return 0;
}
- return Action;
+ BLOCKTYPE blockType;
+ for (int i = 0; i < numToGrow; ++i)
+ {
+ Vector3i pos(a_RelPos.x, top + i, a_RelPos.z);
+ if (!a_Chunk.UnboundedRelGetBlockType(pos, blockType) || (blockType != E_BLOCK_AIR))
+ {
+ // Cannot grow there
+ return i;
+ }
+
+ a_Chunk.UnboundedRelFastSetBlock(pos, E_BLOCK_CACTUS, 0);
+
+ // Check surroundings. Cacti may ONLY be surrounded by non-solid blocks; if they aren't, drop as pickup and bail out the growing
+ static const Vector3i neighborOffsets[] =
+ {
+ {-1, 0, 0},
+ { 1, 0, 0},
+ { 0, 0, -1},
+ { 0, 0, 1},
+ } ;
+ for (const auto & ofs: neighborOffsets)
+ {
+ if (
+ a_Chunk.UnboundedRelGetBlockType(pos + ofs, blockType) &&
+ (
+ cBlockInfo::IsSolid(blockType) ||
+ (blockType == E_BLOCK_LAVA) ||
+ (blockType == E_BLOCK_STATIONARY_LAVA)
+ )
+ )
+ {
+ // Remove the cactus
+ auto absPos = a_Chunk.RelativeToAbsolute(pos);
+ a_Chunk.GetWorld()->DropBlockAsPickups(absPos);
+ return i + 1;
+ }
+ } // for neighbor
+ } // for i - numToGrow
+ return numToGrow;
+ }
+
+
+
+
+
+protected:
+
+ virtual PlantAction CanGrow(cChunk & a_Chunk, Vector3i a_RelPos) override
+ {
+ // Only allow growing if there's an air block above:
+ if (((a_RelPos.y + 1) < cChunkDef::Height) && (a_Chunk.GetBlock(a_RelPos.addedY(1)) == E_BLOCK_AIR))
+ {
+ return super::CanGrow(a_Chunk, a_RelPos);
+ }
+ return paStay;
}
} ;