111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
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#include "Globals.h"
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#include "Silverfish.h"
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#include "../World.h"
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#include "../Chunk.h"
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#include "../Blocks/BlockHandler.h"
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#include "../Blocks/BlockInfested.h"
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cSilverfish::cSilverfish() :
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Super("Silverfish", mtSilverfish, "entity.silverfish.hurt", "entity.silverfish.death", "entity.silverfish.ambient", 0.4f, 0.3f)
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{
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}
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bool cSilverfish::DoTakeDamage(TakeDamageInfo &a_TDI)
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{
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// Call on our brethren to attack!
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// TODO: stop this if /gamerule mobGriefing is set to false
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// If the entity didn't take any damage, bail:
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if (!Super::DoTakeDamage(a_TDI))
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{
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return false;
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}
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// Or, conversely took lethal damage, bail:
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if (m_Health <= 0)
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{
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return true;
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}
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if (a_TDI.Attacker == nullptr)
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{
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if ((a_TDI.DamageType != dtPoison) && (a_TDI.DamageType != dtPotionOfHarming))
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{
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// Bail if attacker doesn't exist and it wasn't a splash potion:
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return true;
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}
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}
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else if (!a_TDI.Attacker->IsPlayer())
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{
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// Bail if it wasn't a player attack:
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return true;
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}
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auto & Random = GetRandomProvider();
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// Tries to spawn another Silverfish, returning if the search should continue.
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auto CheckInfested = [this, &Random, Position = GetPosition().Floor()](const Vector3i Offset) mutable
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{
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const auto Block = Position + Offset;
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if (m_World->GetBlock(Block) == E_BLOCK_SILVERFISH_EGG)
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{
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m_World->DigBlock(Block);
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return Random.RandBool();
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}
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return false;
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};
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// Search the faces of an increasingly large cube (so the positions closest get looked at first)
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// of min 3, max 10, for infested blocks and spawn additional reinforcements:
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for (int CubeSideLength = 3; CubeSideLength <= 10; CubeSideLength += 2)
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{
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const int HalfSide = CubeSideLength / 2;
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for (int OffsetX = -HalfSide; OffsetX <= HalfSide; OffsetX++)
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{
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for (int OffsetZ = -HalfSide; OffsetZ <= HalfSide; OffsetZ++)
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{
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if (CheckInfested({ OffsetX, +HalfSide, OffsetZ }) || CheckInfested({ OffsetX, -HalfSide, OffsetZ }))
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{
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return true;
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}
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}
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}
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for (int OffsetX = -HalfSide; OffsetX <= HalfSide; OffsetX++)
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{
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for (int OffsetY = -HalfSide + 1; OffsetY <= HalfSide - 1; OffsetY++)
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{
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if (CheckInfested({ OffsetX, OffsetY, +HalfSide }) || CheckInfested({ OffsetX, OffsetY, -HalfSide }))
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{
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return true;
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}
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}
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}
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for (int OffsetZ = -HalfSide + 1; OffsetZ <= HalfSide - 1; OffsetZ++)
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{
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for (int OffsetY = -HalfSide + 1; OffsetY <= HalfSide - 1; OffsetY++)
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{
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if (CheckInfested({ +HalfSide, OffsetY, OffsetZ }) || CheckInfested({ -HalfSide, OffsetY, OffsetZ }))
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{
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return true;
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}
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}
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}
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}
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return true;
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}
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