From 5b7de82a79e3f18affcffd686484a681d187942a Mon Sep 17 00:00:00 2001
From: "madmaxoft@gmail.com"
 <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Sun, 14 Oct 2012 17:06:21 +0000
Subject: Initial Floody fluid simulator. Can spread, cannot dry.

git-svn-id: http://mc-server.googlecode.com/svn/trunk@963 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 source/Simulator/DelayedFluidSimulator.cpp | 92 ++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 source/Simulator/DelayedFluidSimulator.cpp

(limited to 'source/Simulator/DelayedFluidSimulator.cpp')

diff --git a/source/Simulator/DelayedFluidSimulator.cpp b/source/Simulator/DelayedFluidSimulator.cpp
new file mode 100644
index 000000000..3ace286ed
--- /dev/null
+++ b/source/Simulator/DelayedFluidSimulator.cpp
@@ -0,0 +1,92 @@
+
+// DelayedFluidSimulator.cpp
+
+// Interfaces to the cDelayedFluidSimulator class representing a fluid simulator that has a configurable delay
+// before simulating a block. Each tick it takes a consecutive delay "slot" and simulates only blocks in that slot.
+
+#include "Globals.h"
+
+#include "DelayedFluidSimulator.h"
+#include "../World.h"
+
+
+
+
+
+cDelayedFluidSimulator::cDelayedFluidSimulator(cWorld * a_World, BLOCKTYPE a_Fluid, BLOCKTYPE a_StationaryFluid, int a_TickDelay) :
+	super(a_World, a_Fluid, a_StationaryFluid),
+	m_TickDelay(a_TickDelay),
+	m_Slots(NULL),
+	m_CurrentSlotNum(a_TickDelay - 1)
+{
+	m_Slots = new CoordsArray[a_TickDelay];
+}
+
+
+
+
+
+cDelayedFluidSimulator::~cDelayedFluidSimulator()
+{
+	delete[] m_Slots;
+	m_Slots = NULL;
+}
+
+
+
+
+
+void cDelayedFluidSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
+{
+	if ((a_BlockY < 0) || (a_BlockY >= cChunkDef::Height))
+	{
+		// Not inside the world (may happen when rclk with a full bucket - the client sends Y = -1)
+		return;
+	}
+	
+	BLOCKTYPE BlockType = m_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+	if (BlockType != m_FluidBlock)
+	{
+		return;
+	}
+
+	CoordsArray & Blocks = m_Slots[m_CurrentSlotNum];
+		
+	// Check for duplicates:
+	for (CoordsArray::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
+	{
+		if ((itr->x == a_BlockX) && (itr->y == a_BlockY) && (itr->z == a_BlockZ))
+		{
+			return;
+		}
+	}
+
+	Blocks.push_back(Vector3i(a_BlockX, a_BlockY, a_BlockZ));
+}
+
+
+
+
+
+void cDelayedFluidSimulator::Simulate(float a_Dt)
+{
+	CoordsArray & Blocks = m_Slots[m_CurrentSlotNum];
+	
+	// First move to the next slot, so that simulated blocks can write another batch of scheduled blocks:
+	m_CurrentSlotNum += 1;
+	if (m_CurrentSlotNum >= m_TickDelay)
+	{
+		m_CurrentSlotNum = 0;
+	}
+	
+	// Simulate the blocks in the scheduled slot:
+	for (CoordsArray::iterator itr = Blocks.begin(), end = Blocks.end(); itr != end; ++itr)
+	{
+		SimulateBlock(itr->x, itr->y, itr->z);
+	}
+	Blocks.clear();
+}
+
+
+
+
-- 
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