17 files changed, 1942 insertions, 0 deletions

diff --git a/BiomeVisualiser/BiomeCache.cpp b/BiomeVisualiser/BiomeCache.cpp
new file mode 100644
index 000000000..962f4a3f0
--- /dev/null
+++ b/BiomeVisualiser/BiomeCache.cpp
@@ -0,0 +1,333 @@
+

+// BiomeCache.cpp

+

+// Implements the cBiomeCache class representing a biome source that caches data from the underlying biome source

+

+#include "Globals.h"

+#include "BiomeCache.h"

+#include "Timer.h"

+

+

+

+

+

+static int GetNumCores(void)

+{

+	// Get number of cores by querying the system process affinity mask

+	DWORD Affinity, ProcAffinity;

+	GetProcessAffinityMask(GetCurrentProcess(), &ProcAffinity, &Affinity);

+	int NumCores = 0;

+	while (Affinity > 0)

+	{

+		if ((Affinity & 1) == 1)

+		{

+			NumCores++;

+		}

+		Affinity >>= 1;

+	}  // while (Affinity > 0)

+	return NumCores;

+}

+

+

+

+

+

+cBiomeCache::cBiomeCache(void) :

+	m_Source(NULL),

+	m_BaseX(MAXINT),

+	m_BaseZ(MAXINT),

+	m_Available(NULL),

+	m_IsTerminatingThreads(false)

+{

+	int NumThreads = GetNumCores();

+	NumThreads--;  // One core should be left for the system to run on ;)

+	for (int i = NumThreads; i > 0; i--)

+	{

+		cThread * Thread = new cThread(*this);

+		m_Threads.push_back(Thread);

+		Thread->Start();

+	}

+}

+

+

+

+

+cBiomeCache::~cBiomeCache()

+{

+	m_IsTerminatingThreads = true;

+	for (cThreads::iterator itr = m_Threads.begin(), end = m_Threads.end(); itr != end; ++itr)

+	{

+		m_evtQueued.Set();

+	}

+	for (cThreads::iterator itr = m_Threads.begin(), end = m_Threads.end(); itr != end; ++itr)

+	{

+		delete *itr;

+	}

+	m_Threads.clear();

+	

+	SetSource(NULL);

+}

+

+

+

+

+

+cBiomeSource::eAvailability cBiomeCache::GetBiome(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes)

+{

+	if (m_Source == NULL)

+	{

+		return baNever;

+	}

+

+	// Look up using the cache:

+	int x = a_ChunkX - m_BaseX;

+	int z = a_ChunkZ - m_BaseZ;

+	if ((x < 0) || (x >= m_Width) || (z < 0) || (z >= m_Height))

+	{

+		// Outside the cached region

+		return baNever;

+	}

+	

+	cCSLock Lock(m_CS);

+	cItem * Item = m_Available[x + m_Width * z];

+	if (Item == NULL)

+	{

+		// Item hasn't been processed yet

+		return baLater;

+	}

+	if (Item->m_IsValid)

+	{

+		memcpy(a_Biomes, Item->m_Biomes, sizeof(a_Biomes));

+		return baNow;

+	}

+

+	// Item has been processed, but the underlying source refused to give the data to us

+	return baNever;

+}

+

+

+

+

+

+void cBiomeCache::HintViewArea(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ)

+{

+	cTimer Timer("Cache: HintViewArea");

+	

+	if (

+		(a_MinChunkX == m_BaseX) && 

+		(a_MaxChunkX == m_BaseX + m_Width - 1) &&

+		(a_MinChunkZ == m_BaseZ) &&

+		(a_MaxChunkZ == m_BaseZ + m_Height - 1)

+	)

+	{

+		// The same set of parameters, bail out

+		return;

+	}

+	

+	if (m_Source != NULL)

+	{

+		m_Source->HintViewArea(a_MinChunkX, a_MaxChunkX, a_MinChunkZ, a_MaxChunkZ);

+	}

+	

+	int NewWidth  = a_MaxChunkX - a_MinChunkX + 1;

+	int NewHeight = a_MaxChunkZ - a_MinChunkZ + 1;

+	

+	// Make a new empty cache table:

+	pItem * NewAvailable = new pItem[NewWidth * NewHeight];

+	for (int i = NewWidth * NewHeight - 1; i >= 0; --i)

+	{

+		NewAvailable[i] = NULL;

+	}

+

+	// Move the common contents of the old table into the new table:

+	cCSLock Lock(m_CS);

+	for (int z = 0; z < NewHeight; z++)

+	{

+		int OldZ = z + a_MinChunkZ - m_BaseZ;

+		if ((OldZ < 0) || (OldZ >= m_Height))

+		{

+			continue;

+		}

+		for (int x = 0; x < NewWidth; x++)

+		{

+			int OldX = x + a_MinChunkX - m_BaseX;

+			if ((OldX < 0) || (OldX >= m_Width))

+			{

+				continue;

+			}

+			NewAvailable[x + NewWidth * z] = m_Available[OldX + m_Width * OldZ];

+			m_Available[OldX + m_Width * OldZ] = NULL;

+		}  // for x

+	}  // for z

+	

+	// All items that aren't common go into the pool:

+	for (int idx = 0, z = 0; z < m_Height; z++)

+	{

+		for (int x = 0; x < m_Width; ++x, ++idx)

+		{

+			if (m_Available[idx] != NULL)

+			{

+				m_Pool.push_back(m_Available[idx]);

+				m_Available[idx] = NULL;

+			}

+		}

+	}

+	

+	// Replace the cache table:

+	delete m_Available;

+	m_Available = NewAvailable;

+	m_Width = NewWidth;

+	m_Height = NewHeight;

+	m_BaseX = a_MinChunkX;

+	m_BaseZ = a_MinChunkZ;

+

+	// Remove all items outside the coords:

+	FilterOutItems(m_Queue, a_MinChunkX, a_MaxChunkX, a_MinChunkZ, a_MaxChunkZ);

+	

+	// Queue all items from inside the coords into m_Queue:

+	for (int z = 0; z < NewHeight; z++)

+	{

+		for (int x = 0; x < NewWidth; x++)

+		{

+			if (m_Available[x + m_Width * z] != NULL)

+			{

+				// Already calculated, skip

+				continue;

+			}

+			

+			if (m_Pool.empty())

+			{

+				m_Pool.push_back(new cItem(x + a_MinChunkX, z + a_MinChunkZ));

+			}

+			ASSERT(!m_Pool.empty());

+			m_Pool.back()->m_ChunkX = x + a_MinChunkX;

+			m_Pool.back()->m_ChunkZ = z + a_MinChunkZ;

+			m_Queue.push_back(m_Pool.back());

+			m_Pool.pop_back();

+			m_evtQueued.Set();

+		}  // for x

+	}  // for z

+}

+

+

+

+

+

+void cBiomeCache::SetSource(cBiomeSource * a_Source)

+{

+	// TODO: Stop all threads, so that they don't use the source anymore!

+	

+	delete m_Source;

+	m_Source = a_Source;

+	

+	// Invalidate cache contents:

+	cCSLock Lock(m_CS);

+	m_BaseX = MAXINT;

+	m_BaseZ = MAXINT;

+	m_Pool.splice(m_Pool.end(), m_Queue);

+}

+

+

+

+

+

+void cBiomeCache::FilterOutItems(cItems & a_Items, int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ)

+{

+	for (cItems::iterator itr = a_Items.begin(); itr != a_Items.end();)

+	{

+		if (

+			((*itr)->m_ChunkX < a_MinChunkX) ||

+			((*itr)->m_ChunkX > a_MaxChunkX) ||

+			((*itr)->m_ChunkX < a_MinChunkX) ||

+			((*itr)->m_ChunkX > a_MaxChunkX)

+		)

+		{

+			m_Pool.push_back(*itr);

+			itr = a_Items.erase(itr);

+		}

+		else

+		{

+			++itr;

+		}

+	}

+}

+

+

+

+

+

+void cBiomeCache::thrProcessQueueItem(void)

+{

+	cItem * Item = NULL;

+	{

+		cCSLock Lock(m_CS);

+		if (m_Queue.empty())

+		{

+			cCSUnlock Unlock(Lock);

+			m_evtQueued.Wait();

+		}

+		if (m_IsTerminatingThreads || m_Queue.empty())

+		{

+			// We've been woken up only to die / spurious wakeup

+			return;

+		}

+		Item = m_Queue.back();

+		m_Queue.pop_back();

+	}

+	

+	// Process the item:

+	Item->m_IsValid = (m_Source->GetBiome(Item->m_ChunkX, Item->m_ChunkZ, Item->m_Biomes) == baNow);

+	

+	// Store result:

+	cCSLock Lock(m_CS);

+	int x = Item->m_ChunkX - m_BaseX;

+	int z = Item->m_ChunkZ - m_BaseZ;

+	if ((x < 0) || (x >= m_Width) || (z < 0) || (z >= m_Height))

+	{

+		// The cache rectangle has changed under our fingers, drop this chunk

+		return;

+	}

+	m_Available[x + m_Width * z] = Item;

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cBiomeCache::cItem:

+

+cBiomeCache::cItem::cItem(int a_ChunkX, int a_ChunkZ) :

+	m_ChunkX(a_ChunkX),

+	m_ChunkZ(a_ChunkZ)

+{

+}

+

+

+

+

+

+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

+// cBiomeCache::cThread:

+

+cBiomeCache::cThread::cThread(cBiomeCache & a_Parent) :

+	super("Biome cache thread"),

+	m_Parent(a_Parent)

+{

+}

+

+

+

+

+

+void cBiomeCache::cThread::Execute(void)

+{

+	while (!m_ShouldTerminate && !m_Parent.m_IsTerminatingThreads)

+	{

+		m_Parent.thrProcessQueueItem();

+	}

+}

+

+

+

+

diff --git a/BiomeVisualiser/BiomeCache.h b/BiomeVisualiser/BiomeCache.h
new file mode 100644
index 000000000..86602a19d
--- /dev/null
+++ b/BiomeVisualiser/BiomeCache.h
@@ -0,0 +1,96 @@
+

+// BiomeCache.h

+

+// Declares the cBiomeCache class representing a biome source that caches data from the underlying biome source

+

+/*

+This cache works a bit differently than regular caches. 

+It first receives the hint of area that it will need to provide.

+The Cache uses several threads to request biomes from the underlying source to fill that area.

+While the area is being filled, requests for biomes may already come, such requests are answered with baLater if no data yet.

+*/

+

+#pragma once

+

+

+

+

+

+#include "BiomeSource.h"

+#include "../source/OSSupport/IsThread.h"

+

+

+

+

+

+class cBiomeCache :

+	public cBiomeSource

+{

+public:

+	cBiomeCache(void);

+	~cBiomeCache();

+	

+	// cBiomeSource overrides:

+	virtual eAvailability GetBiome(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override;

+	virtual void HintViewArea(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ) override;

+	

+	void SetSource(cBiomeSource * a_Source);  // Takes ownership of the source ptr

+	

+protected:

+	class cItem

+	{

+	public:

+		cItem(int a_ChunkX, int a_ChunkZ);

+		

+		int m_ChunkX;

+		int m_ChunkZ;

+		bool m_IsValid;

+		cChunkDef::BiomeMap m_Biomes;

+	} ;

+	

+	typedef cItem * pItem;

+	typedef std::list<pItem> cItems;

+	

+	class cThread :

+		public cIsThread

+	{

+		typedef cIsThread super;

+		

+	public:

+		cThread(cBiomeCache & a_Parent);

+		

+		// cIsThread overrides:

+		virtual void Execute(void) override;

+		

+	protected:

+		cBiomeCache & m_Parent;

+	} ;

+	

+	typedef std::list<cThread *> cThreads;

+	

+	cBiomeSource * m_Source;

+	

+	cCriticalSection m_CS;

+	int     m_BaseX;      ///< MinChunkX for the m_Available rectangle

+	int     m_BaseZ;      ///< MinChunkZ for the m_Available rectangle

+	int     m_Width;      ///< Width of the m_Available rectangle

+	int     m_Height;     ///< Height of the m_Available rectangle

+	pItem * m_Available;  ///< Items that have already been processed (baNow or baNever), [x + m_Width * z]

+	cItems  m_Queue;      ///< Items that are queued for processing (baLater)

+	cItems  m_Pool;       ///< Items that are not needed anymore, can be reused for other coords

+	

+	cEvent m_evtQueued;  // Triggerred when an item is added to m_Queue

+	

+	cThreads m_Threads;  // Threads that update the cache.

+	bool m_IsTerminatingThreads;  // Set to true to indicate to all threads that they should exit

+	

+	/// Removes from a_Items all items that are outside of the given coords, moves those into m_Pool

+	void FilterOutItems(cItems & a_Items, int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ);

+	

+	/// Processes one item from m_Queue into m_Available. Blocks if m_Queue is empty; respects m_IsTerminatingThreads

+	void thrProcessQueueItem(void);

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/BiomeRenderer.cpp b/BiomeVisualiser/BiomeRenderer.cpp
new file mode 100644
index 000000000..00d6d684d
--- /dev/null
+++ b/BiomeVisualiser/BiomeRenderer.cpp
@@ -0,0 +1,147 @@
+

+// BiomeRenderer.cpp

+

+// Implements the cBiomeRenderer class representing the rendering engine

+

+#include "Globals.h"

+#include "BiomeRenderer.h"

+#include "Pixmap.h"

+#include "Timer.h"

+

+

+

+

+

+cBiomeRenderer::cBiomeRenderer(void) :

+	m_OriginX(160),

+	m_OriginY(160),

+	m_Zoom(1)

+{

+}

+

+

+

+

+void cBiomeRenderer::SetSource(cBiomeSource * a_Source)

+{

+	m_Cache.SetSource(a_Source);

+}

+

+

+

+

+

+bool cBiomeRenderer::Render(cPixmap & a_Pixmap)

+{

+	cTimer Timer("cBiomeRenderer::Render");

+	

+	int Wid = a_Pixmap.GetWidth();

+	int Hei = a_Pixmap.GetHeight();

+	

+	// Hint the approximate view area to the biome source so that it can adjust its caches:

+	int MinBlockX = (    - m_OriginX) / m_Zoom;

+	int MaxBlockX = (Wid - m_OriginX) / m_Zoom;

+	int MinBlockZ = (    - m_OriginY) / m_Zoom;

+	int MaxBlockZ = (Hei - m_OriginY) / m_Zoom;

+	m_Cache.HintViewArea(MinBlockX / 16 - 1, MaxBlockX / 16 + 1, MinBlockZ / 16 - 1, MaxBlockZ / 16 + 1);

+	

+	// Hold one current chunk of biome data:

+	int CurChunkX = MAXINT32;

+	int CurChunkZ = MAXINT32;

+	cChunkDef::BiomeMap CurBiomes;

+	

+	bool res = false;

+	

+	for (int y = 0; y < Hei; y++)

+	{

+		int BlockZ = (y - m_OriginY) / m_Zoom;

+		int ChunkZ = (BlockZ >= 0) ? (BlockZ / 16) : ((BlockZ + 1) / 16 - 1);

+		int RelZ = BlockZ - ChunkZ * 16;

+		for (int x = 0; x < Wid; x++)

+		{

+			int BlockX = (x - m_OriginX) / m_Zoom;

+			int ChunkX = (BlockX >= 0) ? (BlockX / 16) : ((BlockX + 1) / 16 - 1);

+			int RelX = BlockX - ChunkX * 16;

+			if ((ChunkZ != CurChunkZ) || (ChunkX != CurChunkX))

+			{

+				CurChunkX = ChunkX;

+				CurChunkZ = ChunkZ;

+				switch (m_Cache.GetBiome(CurChunkX, CurChunkZ, CurBiomes))

+				{

+					case cBiomeSource::baLater:

+					{

+						res = true; 

+						// fallthrough:

+					}

+					case cBiomeSource::baNever:

+					{

+						for (int i = 0; i < ARRAYCOUNT(CurBiomes); i++)

+						{

+							CurBiomes[i] = (EMCSBiome)-1;

+						}

+						break;

+					}

+				}  // switch (Biome availability)

+			}

+			EMCSBiome Biome = cChunkDef::GetBiome(CurBiomes, RelX, RelZ);

+			a_Pixmap.SetPixel(x, y, GetBiomeColor(Biome));

+		}  // for x

+	}  // for y

+	return res;

+}

+

+

+

+

+

+int cBiomeRenderer::GetBiomeColor(EMCSBiome a_Biome)

+{

+	if ((a_Biome < 0) || (a_Biome > biMaxBiome))

+	{

+		return 0xcfcfcf;  // LtGray for unknown biomes

+	}

+	

+	static int BiomeColor[] =

+	{

+		// RGB:

+		0x0000ff, /* Ocean */

+		0x00cf3f, /* Plains */

+		0xffff00, /* Desert */

+		0x7f7f7f, /* Extreme Hills */

+		0x00cf00, /* Forest */

+		0x007f3f, /* Taiga */

+		0x3f7f00, /* Swampland */

+		0x003fff, /* River */

+		0x7f0000, /* Hell */

+		0x007fff, /* Sky */

+		0x3f3fff, /* Frozen Ocean */

+		0x3f3fff, /* Frozen River */

+		0x7fffcf, /* Ice Plains */

+		0x3fcf7f, /* Ice Mountains */

+		0xcf00cf, /* Mushroom Island */

+		0x7f00ff, /* Mushroom Island Shore */

+		0xffff3f, /* Beach */

+		0xcfcf00, /* Desert Hills */

+		0x00cf3f, /* Forest Hills */

+		0x006f1f, /* Taiga Hills */

+		0x7f8f7f, /* Extreme Hills Edge */

+		0x004f00, /* Jungle */

+		0x003f00, /* Jungle Hills */

+	} ;

+	

+	return BiomeColor[a_Biome];

+}

+

+

+

+

+

+void cBiomeRenderer::MoveViewBy(int a_OffsX, int a_OffsY)

+{

+	m_OriginX += a_OffsX;

+	m_OriginY += a_OffsY;

+}

+

+

+

+

diff --git a/BiomeVisualiser/BiomeRenderer.h b/BiomeVisualiser/BiomeRenderer.h
new file mode 100644
index 000000000..369c0f114
--- /dev/null
+++ b/BiomeVisualiser/BiomeRenderer.h
@@ -0,0 +1,50 @@
+

+// BiomeRenderer.h

+

+// Declares the cBiomeRenderer class representing the rendering engine

+

+

+

+

+

+#pragma once

+

+#include "BiomeCache.h"

+

+

+

+

+

+// fwd: Pixmap.h

+class cPixmap;

+

+

+

+

+

+class cBiomeRenderer

+{

+public:

+	cBiomeRenderer(void);

+	

+	void SetSource(cBiomeSource * a_Source);  // Takes ownership of the source

+	

+	/// Renders the biomes into the given pixmap. Returns true if some biome data was missing and can be retrieved later

+	bool Render(cPixmap & a_Pixmap);

+	

+	/// Returns the RGB color value for the specified biome

+	int GetBiomeColor(EMCSBiome a_Biome);

+	

+	void MoveViewBy(int a_OffsX, int a_OffsY);

+	

+protected:

+	cBiomeCache m_Cache;

+	

+	int m_OriginX;

+	int m_OriginY;

+	int m_Zoom;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/BiomeSource.h b/BiomeVisualiser/BiomeSource.h
new file mode 100644
index 000000000..e09242d04
--- /dev/null
+++ b/BiomeVisualiser/BiomeSource.h
@@ -0,0 +1,37 @@
+

+// BiomeSource.h

+

+// Declares the cBiomeSource abstract class used as an interface for getting biomes from any source

+

+#pragma once

+

+

+

+

+

+#include "ChunkDef.h"

+

+

+

+

+

+class cBiomeSource abstract

+{

+public:

+	enum eAvailability

+	{

+		baNow,    // Data returned now

+		baLater,  // Data not returned, but will be available later, try again after a while

+		baNever,  // Data not returned, will not be available at all

+	} ;

+	

+	/// Fills a_Biomes with the biomes for the chunk specified

+	virtual eAvailability GetBiome(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) = 0;

+	

+	/// Used to inform the source about the view area that will be queried in the near future.

+	virtual void HintViewArea(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ) = 0;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/BiomeViewWnd.cpp b/BiomeVisualiser/BiomeViewWnd.cpp
new file mode 100644
index 000000000..cb634034c
--- /dev/null
+++ b/BiomeVisualiser/BiomeViewWnd.cpp
@@ -0,0 +1,190 @@
+

+// BiomeViewWnd.cpp

+

+// Implements the cBiomeViewWnd class representing the window that displays biomes

+

+#include "Globals.h"

+#include "BiomeViewWnd.h"

+#include "BiomeCache.h"

+#include "GeneratorBiomeSource.h"

+#include "../iniFile/iniFile.h"

+

+

+

+

+

+const int TIMER_RERENDER = 1200;

+

+

+

+

+

+cBiomeViewWnd::cBiomeViewWnd(void) :

+	m_Wnd(NULL),

+	m_Thunk(&cBiomeViewWnd::WndProc, this),

+	m_IsLButtonDown(false)

+{

+}

+

+

+

+

+

+bool cBiomeViewWnd::Create(HWND a_ParentWnd, LPCTSTR a_Title)

+{

+	ASSERT(m_Wnd == NULL);

+	

+	// Create a regular STATIC window, then override its window procedure with our own. No need for obnoxious RegisterWindowClass() stuff.

+	m_Wnd = CreateWindow("STATIC", a_Title, WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 400, 300, a_ParentWnd, NULL, GetModuleHandle(NULL), NULL);

+	if (m_Wnd == NULL)

+	{

+		LOGERROR("Cannot create main window: %d", GetLastError());

+		return false;

+	}

+	SetWindowLongPtr(m_Wnd, GWLP_WNDPROC, m_Thunk);

+	

+	cIniFile IniFile;

+	cBiomeGen * BioGen = new cBioGenMultiStepMap(0);

+	BioGen->Initialize(IniFile);

+	m_Renderer.SetSource(new cGeneratorBiomeSource(BioGen));

+	

+	return true;

+}

+

+

+

+

+

+

+LRESULT cBiomeViewWnd::WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lParam)

+{

+	switch (a_Msg)

+	{

+		case WM_CLOSE:       return OnClose();

+		case WM_COMMAND:     return OnCommand(wParam, lParam);

+		case WM_LBUTTONDOWN: return OnLButtonDown(wParam, lParam);

+		case WM_LBUTTONUP:   return OnLButtonUp  (wParam, lParam);

+		case WM_MOUSEMOVE:   return OnMouseMove  (wParam, lParam);

+		case WM_PAINT:       return OnPaint();

+		case WM_TIMER:       return OnTimer(wParam);

+	}

+	return ::DefWindowProc(a_Wnd, a_Msg, wParam, lParam);

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnClose(void)

+{

+	PostQuitMessage(0);

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnCommand(WPARAM wParam, LPARAM lParam)

+{

+	// TODO: Handle menu commands, when we get menu

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnLButtonDown(WPARAM wParam, LPARAM lParam)

+{

+	m_IsLButtonDown = true;

+	GetCursorPos(&m_MouseDown);

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnMouseMove(WPARAM wParam, LPARAM lParam)

+{

+	if (!m_IsLButtonDown)

+	{

+		return 0;

+	}

+	POINT pnt;

+	GetCursorPos(&pnt);

+	m_Renderer.MoveViewBy(pnt.x - m_MouseDown.x, pnt.y - m_MouseDown.y);

+	if (m_Renderer.Render(m_Pixmap))

+	{

+		SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);

+	}

+	m_MouseDown = pnt;

+	InvalidateRect(m_Wnd, NULL, FALSE);

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnLButtonUp(WPARAM wParam, LPARAM lParam)

+{

+	OnMouseMove(wParam, lParam);  // Last movement - if the mouse move hasn't been reported due to speed

+	m_IsLButtonDown = false;

+	InvalidateRect(m_Wnd, NULL, FALSE);

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnPaint(void)

+{

+	PAINTSTRUCT ps;

+	HDC DC = BeginPaint(m_Wnd, &ps);

+	

+	RECT rc;

+	GetClientRect(m_Wnd, &rc);

+	int Wid = rc.right - rc.left;

+	int Hei = rc.bottom - rc.top;

+	if ((m_Pixmap.GetWidth() != Wid) || (m_Pixmap.GetHeight() != Hei))

+	{

+		m_Pixmap.SetSize(Wid, Hei);

+		if (m_Renderer.Render(m_Pixmap))

+		{

+			SetTimer(m_Wnd, TIMER_RERENDER, 200, NULL);

+		}

+	}

+	

+	m_Pixmap.DrawToDC(DC, 0, 0);

+

+	EndPaint(m_Wnd, &ps);

+	return 0;

+}

+

+

+

+

+

+LRESULT cBiomeViewWnd::OnTimer(WPARAM wParam)

+{

+	switch (wParam)

+	{

+		case TIMER_RERENDER:

+		{

+			if (!m_Renderer.Render(m_Pixmap))

+			{

+				KillTimer(m_Wnd, TIMER_RERENDER);

+			}

+			InvalidateRect(m_Wnd, NULL, FALSE);

+			break;

+		}

+	}

+	return 0;

+}

+

+

+

+

diff --git a/BiomeVisualiser/BiomeViewWnd.h b/BiomeVisualiser/BiomeViewWnd.h
new file mode 100644
index 000000000..d8ad8d182
--- /dev/null
+++ b/BiomeVisualiser/BiomeViewWnd.h
@@ -0,0 +1,46 @@
+

+// BiomeViewWnd.h

+

+// Declares the cBiomeViewWnd class representing the window that displays biomes

+

+#include "WndProcThunk.h"

+#include "BiomeRenderer.h"

+#include "BiomeCache.h"

+#include "Pixmap.h"

+

+

+

+

+

+class cBiomeViewWnd

+{

+public:

+	cBiomeViewWnd(void);

+	

+	bool Create(HWND a_ParentWnd, LPCTSTR a_Title);

+	

+protected:

+	HWND m_Wnd;

+	CWndProcThunk<cBiomeViewWnd> m_Thunk;

+	

+	cBiomeRenderer m_Renderer;

+	cPixmap        m_Pixmap;

+	

+	bool  m_IsLButtonDown;

+	POINT m_MouseDown;

+	

+	LRESULT WndProc(HWND a_Wnd, UINT a_Msg, WPARAM wParam, LPARAM lParam);

+	

+	// Message handlers:

+	LRESULT OnClose      (void);

+	LRESULT OnCommand    (WPARAM wParam, LPARAM lParam);

+	LRESULT OnLButtonDown(WPARAM wParam, LPARAM lParam);

+	LRESULT OnMouseMove  (WPARAM wParam, LPARAM lParam);

+	LRESULT OnLButtonUp  (WPARAM wParam, LPARAM lParam);

+	LRESULT OnPaint      (void);

+	LRESULT OnTimer      (WPARAM wParam);

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/BiomeVisualiser.cpp b/BiomeVisualiser/BiomeVisualiser.cpp
new file mode 100644
index 000000000..dc1d490e8
--- /dev/null
+++ b/BiomeVisualiser/BiomeVisualiser.cpp
@@ -0,0 +1,52 @@
+

+// BiomeVisualiser.cpp

+

+// Implements the cBiomeVisualiser class representing the entire app. Also implements the WinMain() entrypoint

+

+#include "Globals.h"

+#include "time.h"

+#include "BiomeVisualiser.h"

+

+

+

+

+

+int WINAPI WinMain(HINSTANCE a_Instance, HINSTANCE a_PrevInstance, LPSTR a_CmdLine, int a_ShowCmd)

+{

+	cBiomeVisualiser App;

+	return App.Run();

+}

+

+

+

+

+

+cBiomeVisualiser::cBiomeVisualiser(void)

+	// : m_Logger(Printf("BiomeVisualiser_%08x", time(NULL)))

+{

+}

+

+

+

+

+

+int cBiomeVisualiser::Run(void)

+{

+	if (!m_MainWnd.Create(GetDesktopWindow(), TEXT("BiomeVisualiser")))

+	{

+		LOGERROR("Cannot create main window: %d", GetLastError());

+		return 1;

+	}

+	

+	MSG msg;

+	while (GetMessage(&msg, NULL, 0, 0))

+	{

+		TranslateMessage(&msg);

+		DispatchMessage(&msg);

+	}  // while (GetMessage)

+	return msg.lParam;

+}

+

+

+

+

diff --git a/BiomeVisualiser/BiomeVisualiser.h b/BiomeVisualiser/BiomeVisualiser.h
new file mode 100644
index 000000000..4788bb7ea
--- /dev/null
+++ b/BiomeVisualiser/BiomeVisualiser.h
@@ -0,0 +1,31 @@
+

+// BiomeVisualiser.h

+

+// Declares the cBiomeVisualiser class representing the entire application

+

+

+

+

+

+#include "BiomeViewWnd.h"

+

+

+

+

+

+class cBiomeVisualiser

+{

+public:

+	cBiomeVisualiser(void);

+	

+	int Run(void);

+	

+protected:

+	cBiomeViewWnd m_MainWnd;

+	

+	cMCLogger m_Logger;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/BiomeVisualiser.sln b/BiomeVisualiser/BiomeVisualiser.sln
new file mode 100644
index 000000000..b10d65f2f
--- /dev/null
+++ b/BiomeVisualiser/BiomeVisualiser.sln
@@ -0,0 +1,23 @@
+

+Microsoft Visual Studio Solution File, Format Version 10.00

+# Visual C++ Express 2008

+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "BiomeVisualiser", "BiomeVisualiser.vcproj", "{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}"

+EndProject

+Global

+	GlobalSection(SolutionConfigurationPlatforms) = preSolution

+		Debug|Win32 = Debug|Win32

+		Release profiled|Win32 = Release profiled|Win32

+		Release|Win32 = Release|Win32

+	EndGlobalSection

+	GlobalSection(ProjectConfigurationPlatforms) = postSolution

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Debug|Win32.ActiveCfg = Debug|Win32

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Debug|Win32.Build.0 = Debug|Win32

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Release profiled|Win32.ActiveCfg = Release profiled|Win32

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Release profiled|Win32.Build.0 = Release profiled|Win32

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Release|Win32.ActiveCfg = Release|Win32

+		{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}.Release|Win32.Build.0 = Release|Win32

+	EndGlobalSection

+	GlobalSection(SolutionProperties) = preSolution

+		HideSolutionNode = FALSE

+	EndGlobalSection

+EndGlobal

diff --git a/BiomeVisualiser/BiomeVisualiser.vcproj b/BiomeVisualiser/BiomeVisualiser.vcproj
new file mode 100644
index 000000000..45eb337e3
--- /dev/null
+++ b/BiomeVisualiser/BiomeVisualiser.vcproj
@@ -0,0 +1,483 @@
+<?xml version="1.0" encoding="windows-1250"?>

+<VisualStudioProject

+	ProjectType="Visual C++"

+	Version="9,00"

+	Name="BiomeVisualiser"

+	ProjectGUID="{6DF3D88B-AD47-45B6-B831-1BDE74F86B5C}"

+	RootNamespace="BiomeVisualiser"

+	Keyword="Win32Proj"

+	TargetFrameworkVersion="196613"

+	>

+	<Platforms>

+		<Platform

+			Name="Win32"

+		/>

+	</Platforms>

+	<ToolFiles>

+	</ToolFiles>

+	<Configurations>

+		<Configuration

+			Name="Debug|Win32"

+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"

+			IntermediateDirectory="$(ConfigurationName)"

+			ConfigurationType="1"

+			CharacterSet="2"

+			>

+			<Tool

+				Name="VCPreBuildEventTool"

+			/>

+			<Tool

+				Name="VCCustomBuildTool"

+			/>

+			<Tool

+				Name="VCXMLDataGeneratorTool"

+			/>

+			<Tool

+				Name="VCWebServiceProxyGeneratorTool"

+			/>

+			<Tool

+				Name="VCMIDLTool"

+			/>

+			<Tool

+				Name="VCCLCompilerTool"

+				Optimization="0"

+				AdditionalIncludeDirectories="../source"

+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS"

+				MinimalRebuild="true"

+				BasicRuntimeChecks="3"

+				RuntimeLibrary="1"

+				UsePrecompiledHeader="2"

+				PrecompiledHeaderThrough="Globals.h"

+				WarningLevel="3"

+				DebugInformationFormat="4"

+			/>

+			<Tool

+				Name="VCManagedResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCPreLinkEventTool"

+			/>

+			<Tool

+				Name="VCLinkerTool"

+				AdditionalDependencies="ws2_32.lib"

+				LinkIncremental="2"

+				GenerateDebugInformation="true"

+				SubSystem="2"

+				TargetMachine="1"

+			/>

+			<Tool

+				Name="VCALinkTool"

+			/>

+			<Tool

+				Name="VCManifestTool"

+			/>

+			<Tool

+				Name="VCXDCMakeTool"

+			/>

+			<Tool

+				Name="VCBscMakeTool"

+			/>

+			<Tool

+				Name="VCFxCopTool"

+			/>

+			<Tool

+				Name="VCAppVerifierTool"

+			/>

+			<Tool

+				Name="VCPostBuildEventTool"

+			/>

+		</Configuration>

+		<Configuration

+			Name="Release|Win32"

+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"

+			IntermediateDirectory="$(ConfigurationName)"

+			ConfigurationType="1"

+			CharacterSet="2"

+			WholeProgramOptimization="1"

+			>

+			<Tool

+				Name="VCPreBuildEventTool"

+			/>

+			<Tool

+				Name="VCCustomBuildTool"

+			/>

+			<Tool

+				Name="VCXMLDataGeneratorTool"

+			/>

+			<Tool

+				Name="VCWebServiceProxyGeneratorTool"

+			/>

+			<Tool

+				Name="VCMIDLTool"

+			/>

+			<Tool

+				Name="VCCLCompilerTool"

+				Optimization="2"

+				InlineFunctionExpansion="2"

+				EnableIntrinsicFunctions="true"

+				FavorSizeOrSpeed="1"

+				AdditionalIncludeDirectories="../source"

+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS"

+				RuntimeLibrary="0"

+				EnableFunctionLevelLinking="true"

+				EnableEnhancedInstructionSet="2"

+				UsePrecompiledHeader="2"

+				PrecompiledHeaderThrough="Globals.h"

+				WarningLevel="3"

+				DebugInformationFormat="3"

+			/>

+			<Tool

+				Name="VCManagedResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCPreLinkEventTool"

+			/>

+			<Tool

+				Name="VCLinkerTool"

+				AdditionalDependencies="ws2_32.lib"

+				LinkIncremental="1"

+				GenerateDebugInformation="true"

+				SubSystem="2"

+				OptimizeReferences="2"

+				EnableCOMDATFolding="2"

+				TargetMachine="1"

+			/>

+			<Tool

+				Name="VCALinkTool"

+			/>

+			<Tool

+				Name="VCManifestTool"

+			/>

+			<Tool

+				Name="VCXDCMakeTool"

+			/>

+			<Tool

+				Name="VCBscMakeTool"

+			/>

+			<Tool

+				Name="VCFxCopTool"

+			/>

+			<Tool

+				Name="VCAppVerifierTool"

+			/>

+			<Tool

+				Name="VCPostBuildEventTool"

+			/>

+		</Configuration>

+		<Configuration

+			Name="Release profiled|Win32"

+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"

+			IntermediateDirectory="$(ConfigurationName)"

+			ConfigurationType="1"

+			CharacterSet="2"

+			WholeProgramOptimization="1"

+			>

+			<Tool

+				Name="VCPreBuildEventTool"

+			/>

+			<Tool

+				Name="VCCustomBuildTool"

+			/>

+			<Tool

+				Name="VCXMLDataGeneratorTool"

+			/>

+			<Tool

+				Name="VCWebServiceProxyGeneratorTool"

+			/>

+			<Tool

+				Name="VCMIDLTool"

+			/>

+			<Tool

+				Name="VCCLCompilerTool"

+				Optimization="2"

+				InlineFunctionExpansion="2"

+				EnableIntrinsicFunctions="true"

+				FavorSizeOrSpeed="1"

+				AdditionalIncludeDirectories="../source"

+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS"

+				RuntimeLibrary="0"

+				EnableFunctionLevelLinking="true"

+				EnableEnhancedInstructionSet="2"

+				UsePrecompiledHeader="2"

+				PrecompiledHeaderThrough="Globals.h"

+				WarningLevel="3"

+				DebugInformationFormat="3"

+			/>

+			<Tool

+				Name="VCManagedResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCResourceCompilerTool"

+			/>

+			<Tool

+				Name="VCPreLinkEventTool"

+			/>

+			<Tool

+				Name="VCLinkerTool"

+				AdditionalDependencies="ws2_32.lib"

+				LinkIncremental="1"

+				GenerateDebugInformation="true"

+				SubSystem="2"

+				OptimizeReferences="2"

+				EnableCOMDATFolding="2"

+				TargetMachine="1"

+				Profile="true"

+			/>

+			<Tool

+				Name="VCALinkTool"

+			/>

+			<Tool

+				Name="VCManifestTool"

+			/>

+			<Tool

+				Name="VCXDCMakeTool"

+			/>

+			<Tool

+				Name="VCBscMakeTool"

+			/>

+			<Tool

+				Name="VCFxCopTool"

+			/>

+			<Tool

+				Name="VCAppVerifierTool"

+			/>

+			<Tool

+				Name="VCPostBuildEventTool"

+			/>

+		</Configuration>

+	</Configurations>

+	<References>

+	</References>

+	<Files>

+		<Filter

+			Name="Source Files"

+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"

+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"

+			>

+			<File

+				RelativePath=".\BiomeCache.cpp"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeCache.h"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeRenderer.cpp"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeRenderer.h"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeSource.h"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeViewWnd.cpp"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeViewWnd.h"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeVisualiser.cpp"

+				>

+			</File>

+			<File

+				RelativePath=".\BiomeVisualiser.h"

+				>

+			</File>

+			<File

+				RelativePath=".\GeneratorBiomeSource.h"

+				>

+			</File>

+			<File

+				RelativePath=".\Pixmap.cpp"

+				>

+			</File>

+			<File

+				RelativePath=".\Pixmap.h"

+				>

+			</File>

+			<File

+				RelativePath=".\Timer.h"

+				>

+			</File>

+			<File

+				RelativePath=".\WndProcThunk.h"

+				>

+			</File>

+			<Filter

+				Name="Shared"

+				>

+				<File

+					RelativePath="..\source\BlockID.cpp"

+					>

+				</File>

+				<File

+					RelativePath="..\source\BlockID.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\ChunkDef.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Globals.cpp"

+					>

+					<FileConfiguration

+						Name="Debug|Win32"

+						>

+						<Tool

+							Name="VCCLCompilerTool"

+							UsePrecompiledHeader="1"

+						/>

+					</FileConfiguration>

+					<FileConfiguration

+						Name="Release|Win32"

+						>

+						<Tool

+							Name="VCCLCompilerTool"

+							UsePrecompiledHeader="1"

+						/>

+					</FileConfiguration>

+					<FileConfiguration

+						Name="Release profiled|Win32"

+						>

+						<Tool

+							Name="VCCLCompilerTool"

+							UsePrecompiledHeader="1"

+						/>

+					</FileConfiguration>

+				</File>

+				<File

+					RelativePath="..\source\Globals.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Log.cpp"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Log.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\MCLogger.cpp"

+					>

+				</File>

+				<File

+					RelativePath="..\source\MCLogger.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Noise.cpp"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Noise.h"

+					>

+				</File>

+				<File

+					RelativePath="..\source\Noise.inc"

+					>

+				</File>

+				<File

+					RelativePath="..\source\StringUtils.cpp"

+					>

+				</File>

+				<File

+					RelativePath="..\source\StringUtils.h"

+					>

+				</File>

+				<Filter

+					Name="OSSupport"

+					>

+					<File

+						RelativePath="..\source\OSSupport\CriticalSection.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\CriticalSection.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\Event.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\Event.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\File.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\File.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\IsThread.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\IsThread.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\MakeDir.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\MakeDir.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\OSSupport\Sleep.h"

+						>

+					</File>

+				</Filter>

+				<Filter

+					Name="Generating"

+					>

+					<File

+						RelativePath="..\source\Generating\BioGen.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\source\Generating\BioGen.h"

+						>

+					</File>

+					<File

+						RelativePath="..\source\Generating\ComposableGenerator.h"

+						>

+					</File>

+				</Filter>

+				<Filter

+					Name="iniFile"

+					>

+					<File

+						RelativePath="..\iniFile\iniFile.cpp"

+						>

+					</File>

+					<File

+						RelativePath="..\iniFile\iniFile.h"

+						>

+					</File>

+				</Filter>

+			</Filter>

+		</Filter>

+	</Files>

+	<Globals>

+	</Globals>

+</VisualStudioProject>

diff --git a/BiomeVisualiser/GeneratorBiomeSource.h b/BiomeVisualiser/GeneratorBiomeSource.h
new file mode 100644
index 000000000..34970491e
--- /dev/null
+++ b/BiomeVisualiser/GeneratorBiomeSource.h
@@ -0,0 +1,42 @@
+

+// GeneratorBiomeSource.h

+

+// Declares the cGeneratorBiomeSource that adapts a cBiomeGen into a cBiomeSource

+

+#include "../source/Generating/BioGen.h"

+#include "BiomeSource.h"

+

+

+

+

+

+class cGeneratorBiomeSource :

+	public cBiomeSource

+{

+public:

+	cGeneratorBiomeSource(cBiomeGen * a_Generator) : m_Generator(a_Generator) {}  // Takes ownership of the generator ptr

+	

+	~cGeneratorBiomeSource()

+	{

+		delete m_Generator;

+	}

+	

+	// cBiomeSource overrides:

+	virtual eAvailability GetBiome(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_Biomes) override

+	{

+		m_Generator->GenBiomes(a_ChunkX, a_ChunkZ, a_Biomes);

+		return baNow;

+	}

+	

+	virtual void HintViewArea(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ) override

+	{

+		// Nothing needed

+	}

+	

+protected:

+	cBiomeGen * m_Generator;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/Pixmap.cpp b/BiomeVisualiser/Pixmap.cpp
new file mode 100644
index 000000000..39a015b9c
--- /dev/null
+++ b/BiomeVisualiser/Pixmap.cpp
@@ -0,0 +1,120 @@
+

+// Pixmap.cpp

+

+// Implements the cPixmap class that represents a RGB pixmap and allows simple operations on it

+

+#include "Globals.h"

+#include "Pixmap.h"

+

+

+

+

+

+cPixmap::cPixmap(void) :

+	m_Width(0),

+	m_Height(0),

+	m_Stride(0),

+	m_Pixels(NULL)

+{

+}

+

+

+

+

+

+cPixmap::cPixmap(int a_Width, int a_Height) :

+	m_Width(0),

+	m_Height(0),

+	m_Stride(0),

+	m_Pixels(NULL)

+{

+	SetSize(a_Width, a_Height);

+}

+

+

+

+

+

+cPixmap::~cPixmap()

+{

+	delete m_Pixels;

+}

+

+

+

+

+

+void cPixmap::SetSize(int a_Width, int a_Height)

+{

+	delete m_Pixels;

+	m_Pixels = new int[a_Width * a_Height];

+	m_Width = a_Width;

+	m_Height = a_Height;

+	m_Stride = m_Width;  // Currently we don't need a special stride value, but let's support it for the future :)

+}

+

+

+

+

+

+void cPixmap::SetPixel(int a_X, int a_Y, int a_Color)

+{

+	ASSERT(a_X >= 0);

+	ASSERT(a_X < m_Width);

+	ASSERT(a_Y >= 0);

+	ASSERT(a_Y < m_Height);

+	

+	m_Pixels[a_X + a_Y * m_Stride] = a_Color;

+}

+

+

+

+

+

+int cPixmap::GetPixel(int a_X, int a_Y) const

+{

+	ASSERT(a_X >= 0);

+	ASSERT(a_X < m_Width);

+	ASSERT(a_Y >= 0);

+	ASSERT(a_Y < m_Height);

+	

+	return m_Pixels[a_X + a_Y * m_Stride];

+}

+

+

+

+

+

+void cPixmap::Fill(int a_Color)

+{

+	int NumElements = m_Height * m_Stride;

+	for (int i = 0; i < NumElements; i++)

+	{

+		m_Pixels[i] = a_Color;

+	}

+}

+

+

+

+

+

+void cPixmap::DrawToDC(HDC a_DC, int a_OriginX, int a_OriginY)

+{

+	BITMAPINFO bmi;

+	bmi.bmiHeader.biSize = sizeof(bmi.bmiHeader);

+	bmi.bmiHeader.biWidth = m_Width;

+	bmi.bmiHeader.biHeight = -m_Height;  // Negative, we are top-down, unlike BMPs

+	bmi.bmiHeader.biPlanes = 1;

+	bmi.bmiHeader.biBitCount = 32;

+	bmi.bmiHeader.biCompression = BI_RGB;

+	bmi.bmiHeader.biSizeImage = m_Stride * m_Height * 4;

+	bmi.bmiHeader.biXPelsPerMeter = 1440;

+	bmi.bmiHeader.biYPelsPerMeter = 1440;

+	bmi.bmiHeader.biClrUsed = 0;

+	bmi.bmiHeader.biClrImportant = 0;

+	SetDIBitsToDevice(a_DC, a_OriginX, a_OriginY, m_Width, m_Height, 0, 0, 0, m_Height, m_Pixels, &bmi, DIB_RGB_COLORS);

+}

+

+

+

+

diff --git a/BiomeVisualiser/Pixmap.h b/BiomeVisualiser/Pixmap.h
new file mode 100644
index 000000000..d0159a886
--- /dev/null
+++ b/BiomeVisualiser/Pixmap.h
@@ -0,0 +1,39 @@
+

+// Pixmap.h

+

+// Declares a cPixmap class that represents a RGB pixmap and allows simple operations on it

+

+#pragma once

+

+

+

+

+

+class cPixmap

+{

+public:

+	cPixmap(void);

+	cPixmap(int a_Width, int a_Height);

+	~cPixmap();

+	

+	void SetSize(int a_Width, int a_Height);

+	

+	int GetWidth (void) const { return m_Width; }

+	int GetHeight(void) const { return m_Height; }

+	

+	void SetPixel(int a_X, int a_Y, int a_Color);

+	int  GetPixel(int a_X, int a_Y) const;

+	void Fill(int a_Color);

+	

+	void DrawToDC(HDC a_DC, int a_OriginX, int a_OriginY);

+	

+protected:

+	int   m_Width;

+	int   m_Height;

+	int   m_Stride;

+	int * m_Pixels;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/Timer.h b/BiomeVisualiser/Timer.h
new file mode 100644
index 000000000..b18d37cb7
--- /dev/null
+++ b/BiomeVisualiser/Timer.h
@@ -0,0 +1,40 @@
+

+// Timer.h

+

+// Declares the cTimer class representing a RAII class that measures time from its creation till its destruction

+

+

+

+

+

+#pragma once

+

+#include "time.h"

+

+

+

+

+

+class cTimer

+{

+public:

+	cTimer(const AString & a_Title) :

+		m_Title(a_Title),

+		m_StartTime(clock())

+	{

+	}

+	

+	~cTimer()

+	{

+		clock_t NumTicks = clock() - m_StartTime;

+		LOG("%s took %d ticks (%.02f sec)", m_Title.c_str(), NumTicks, (double)NumTicks / CLOCKS_PER_SEC);

+	}

+	

+protected:

+	AString m_Title;

+	clock_t m_StartTime;

+} ;

+

+

+

+

diff --git a/BiomeVisualiser/WndProcThunk.h b/BiomeVisualiser/WndProcThunk.h
new file mode 100644
index 000000000..6f33b5c3f
--- /dev/null
+++ b/BiomeVisualiser/WndProcThunk.h
@@ -0,0 +1,143 @@
+

+// WndProcThunk.h

+

+// Interfaces to the CWndProcThunk class responsible for WNDPROC class-thunking

+// For details, see http://www.hackcraft.net/cpp/windowsThunk/thiscall/

+// Also available is a CDlgProcThunk class doing the same work for DIALOGPROC

+

+// MD: Made NX-compat by allocating the code structure using VirtualAlloc(..., PAGE_EXECUTE_READWRITE)

+

+

+

+

+

+// fwd:

+template <class W> class CWndProcThunk;

+

+

+

+

+

+#ifndef WNDPROCTHUNK_H_INCLUDED

+#define WNDPROCTHUNK_H_INCLUDED

+

+

+

+

+template<typename To, typename From> inline To union_cast(From fr) throw()

+{

+  union

+  {

+		From f;

+		To t;

+  } uc;

+  uc.f = fr;

+  return uc.t;

+} 

+

+

+

+

+

+#pragma warning(push)

+#pragma warning(disable : 4355)

+

+#if defined(_M_IX86)

+

+#pragma pack(push,1)

+

+template <class W> class CWndProcThunk

+{

+	typedef ::LRESULT (W::* WndProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM);

+	typedef CWndProcThunk ThisClass;

+	

+	struct SCode

+	{

+		BYTE m_mov;           // mov ECX, m_this

+		W * m_this;           //

+		BYTE m_jmp;           // jmp m_relproc

+		ptrdiff_t m_relproc;  // relative jmp

+	};

+	

+	SCode * Code;

+	

+public:

+	ThisClass(WndProc proc, W * obj)

+	{

+		Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE);

+		Code->m_mov = 0xB9,

+		Code->m_this = obj,

+		Code->m_jmp = 0xE9,

+		Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code);

+		::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code));

+	}

+	

+	virtual ~CWndProcThunk()

+	{

+		VirtualFree(Code, sizeof(*Code), MEM_RELEASE);

+		Code = NULL;

+	}

+

+	operator ::WNDPROC() const {return reinterpret_cast<::WNDPROC>(Code); }

+	operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); }

+} ;

+

+

+

+

+

+template <class W> class CDlgProcThunk

+{

+	typedef ::BOOL (W::* DlgProc)(::HWND, ::UINT, ::WPARAM, ::LPARAM);

+	typedef CDlgProcThunk ThisClass;

+	

+	struct SCode

+	{

+		BYTE m_mov;           // mov ECX, m_this

+		W * m_this;           //

+		BYTE m_jmp;           // jmp m_relproc

+		ptrdiff_t m_relproc;  // relative jmp

+	};

+	

+	SCode * Code;

+	

+public:

+	CDlgProcThunk(DlgProc proc, W * obj)

+	{

+		Code = (SCode *)VirtualAlloc(NULL, sizeof(SCode), MEM_COMMIT, PAGE_EXECUTE_READWRITE);

+		Code->m_mov = 0xB9,

+		Code->m_this = obj,

+		Code->m_jmp = 0xE9,

+		Code->m_relproc = union_cast<char *>(proc) - reinterpret_cast<char *>(Code) - sizeof(*Code);

+		::FlushInstructionCache(::GetCurrentProcess(), Code, sizeof(*Code));

+	}

+	

+	virtual ~CDlgProcThunk()

+	{

+		VirtualFree(Code, sizeof(*Code), MEM_RELEASE);

+		Code = NULL;

+	}

+

+	operator ::DLGPROC() const {return reinterpret_cast<::DLGPROC>(Code); }

+	operator ::LONG_PTR() const {return reinterpret_cast<::LONG_PTR>(Code); }

+} ;

+

+

+

+

+

+	#pragma pack(pop)

+

+#else  // _M_IX86

+	#error Only X86 supported

+#endif

+

+

+

+

+

+#endif  // WNDPROCTHUNK_H_INCLUDED

+

+

+

+

diff --git a/BiomeVisualiser/profile_run.cmd b/BiomeVisualiser/profile_run.cmd
new file mode 100644
index 000000000..753ff18fb
--- /dev/null
+++ b/BiomeVisualiser/profile_run.cmd
@@ -0,0 +1,70 @@
+@echo off

+::

+:: Profiling using a MSVC standalone profiler

+::

+:: See http://www.codeproject.com/Articles/144643/Profiling-of-C-Applications-in-Visual-Studio-for-F for details

+::

+

+

+

+

+set pt="C:\Program Files\Microsoft Visual Studio 9.0\Team Tools\Performance Tools"

+set appdir="Release profiled"

+set app="Release profiled\BiomeVisualiser.exe"

+set args=""

+

+:: outputdir is relative to appdir!

+set outputdir=Profiling

+set output=profile.vsp

+

+

+

+

+

+::Create the output directory, if it didn't exist

+mkdir %outputdir%

+

+

+

+

+

+:: Start the profiler

+%pt%\vsperfcmd /start:sample /output:%outputdir%\%output%

+if errorlevel 1 goto haderror

+

+:: Launch the application via the profiler

+%pt%\vsperfcmd /launch:%app% /args:%args%

+if errorlevel 1 goto haderror

+

+:: Shut down the profiler (this command waits, until the application is terminated)

+%pt%\vsperfcmd /shutdown

+if errorlevel 1 goto haderror

+

+

+

+

+

+:: cd to outputdir, so that the reports are generated there

+cd %outputdir%

+

+:: generate the report files (.csv)

+%pt%\vsperfreport /summary:all %output% /symbolpath:"srv*C:\Programovani\Symbols*http://msdl.microsoft.com/download/symbols" 

+if errorlevel 1 goto haderror

+

+

+

+

+

+goto finished

+

+

+

+

+:haderror

+echo An error was encountered

+pause

+

+

+

+

+:finished