From c080f819d2af3cc8c71d39c222a249e4df5e6f67 Mon Sep 17 00:00:00 2001
From: 12xx12 <44411062+12xx12@users.noreply.github.com>
Date: Sun, 11 Oct 2020 17:27:41 +0200
Subject: Adding Silverfish Spawning Blocks (#4946)

* added breaking, spawning, animation

* checkstyle

* added undocumented API symbols

* added changes suggested by @peterbell10

* added natural ore like generation

* fixed spawning two silverfishes

* fixed clang

* fixed clang try 2

* updated comment
unified offset

* final clang fix

* added spawning for more silverfishes if one was damaged

* fixed spawning on one hit kill

* fixed spawning on one hit kill
fixed spawning by potion damage

* fixed clang

* fixed broken build

* fixed broken build

* I should read the error message properly
fixed build now?

* added small changes suggested by @peterbell10

Co-authored-by: 12xx12 <12xx12100@gmail.com>
---
 src/Mobs/CMakeLists.txt |  1 +
 src/Mobs/Silverfish.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/Mobs/Silverfish.h   |  3 ++-
 3 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 src/Mobs/Silverfish.cpp

(limited to 'src/Mobs')

diff --git a/src/Mobs/CMakeLists.txt b/src/Mobs/CMakeLists.txt
index 6508e1814..932b90b29 100644
--- a/src/Mobs/CMakeLists.txt
+++ b/src/Mobs/CMakeLists.txt
@@ -26,6 +26,7 @@ target_sources(
 	Pig.cpp
 	Rabbit.cpp
 	Sheep.cpp
+	Silverfish.cpp
 	Skeleton.cpp
 	Slime.cpp
 	SnowGolem.cpp
diff --git a/src/Mobs/Silverfish.cpp b/src/Mobs/Silverfish.cpp
new file mode 100644
index 000000000..9fb570341
--- /dev/null
+++ b/src/Mobs/Silverfish.cpp
@@ -0,0 +1,60 @@
+
+#include "Globals.h"
+
+#include "Silverfish.h"
+
+#include "../World.h"
+#include "../Chunk.h"
+#include "../Blocks/BlockHandler.h"
+#include "../Blocks/BlockInfested.h"
+
+bool cSilverfish::DoTakeDamage(TakeDamageInfo &a_TDI)
+{
+	bool SuperResult = Super::DoTakeDamage(a_TDI);
+	// Todo: stop this if /gamerule mobGriefing is set to false
+
+	// If the entity didn't take andy damage
+	if (!SuperResult)
+	{
+		return SuperResult;
+	}
+
+	// Entity does receive lethal damage or Attacker doesn't exist
+	if ((m_Health < a_TDI.FinalDamage) ||
+		((a_TDI.Attacker == nullptr) && (a_TDI.DamageType != dtPoison) && (a_TDI.DamageType != dtPotionOfHarming)))
+	{
+		return SuperResult;
+	}
+
+	// If attacker is player or splash potion
+	bool ShouldSpawn = (
+		(a_TDI.DamageType == dtPoison) || (a_TDI.DamageType == dtPotionOfHarming) ||
+		a_TDI.Attacker->IsPlayer()
+	);
+
+	if (!ShouldSpawn)
+	{
+		return SuperResult;
+	}
+	auto Blocks = sSetBlockVector();
+	for (int X = static_cast<int>(GetPosX() - 10); X <= static_cast<int>(GetPosX() + 10); X++)
+	{
+		for (int Y = static_cast<int>(GetPosY() - 5); Y <= static_cast<int>(GetPosY() + 5); Y++)
+		{
+			for (int Z = static_cast<int>(GetPosZ() - 10); Z <= static_cast<int>(GetPosZ() + 10); Z++)
+			{
+				Blocks.emplace_back(sSetBlock({X, Y, Z}, 0, 0));
+			}
+		}
+	}
+	m_World->GetBlocks(Blocks, true);
+	for (const auto & BlockInfo : Blocks)
+	{
+		if (BlockInfo.m_BlockType == E_BLOCK_SILVERFISH_EGG)
+		{
+			m_World->DigBlock(BlockInfo.GetAbsolutePos(), nullptr);
+		}
+	}
+
+	return SuperResult;
+}
diff --git a/src/Mobs/Silverfish.h b/src/Mobs/Silverfish.h
index 435061f72..78137701a 100644
--- a/src/Mobs/Silverfish.h
+++ b/src/Mobs/Silverfish.h
@@ -18,8 +18,9 @@ public:
 		Super("Silverfish", mtSilverfish, "entity.silverfish.hurt", "entity.silverfish.death", "entity.silverfish.ambient", 0.3, 0.4)
 	{
 	}
-
 	CLASS_PROTODEF(cSilverfish)
+
+	virtual bool DoTakeDamage(TakeDamageInfo & a_TDI) override;
 } ;
 
 
-- 
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