From b691c43c44ff180d10e7d4a9afc83b98551ff586 Mon Sep 17 00:00:00 2001
From: daoge_cmd <3523206925@qq.com>
Date: Sun, 1 Mar 2026 12:16:08 +0800
Subject: Initial commit

---
 Minecraft.Client/StitchSlot.cpp | 156 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 Minecraft.Client/StitchSlot.cpp

(limited to 'Minecraft.Client/StitchSlot.cpp')

diff --git a/Minecraft.Client/StitchSlot.cpp b/Minecraft.Client/StitchSlot.cpp
new file mode 100644
index 00000000..5e9700b0
--- /dev/null
+++ b/Minecraft.Client/StitchSlot.cpp
@@ -0,0 +1,156 @@
+#include "stdafx.h"
+#include "TextureHolder.h"
+#include "..\Minecraft.World\StringHelpers.h"
+#include "StitchSlot.h"
+
+StitchSlot::StitchSlot(int originX, int originY, int width, int height) : originX(originX), originY(originY), width(width), height(height)
+{
+	subSlots = NULL;
+	textureHolder = NULL;
+}
+
+TextureHolder *StitchSlot::getHolder()
+{
+	return textureHolder;
+}
+
+int StitchSlot::getX()
+{
+	return originX;
+}
+
+int StitchSlot::getY()
+{
+	return originY;
+}
+
+bool StitchSlot::add(TextureHolder *textureHolder)
+{
+	// Already holding a texture -- doesn't account for subslots.
+	if (this->textureHolder != NULL)
+	{
+		return false;
+	}
+
+	int textureWidth = textureHolder->getWidth();
+	int textureHeight = textureHolder->getHeight();
+
+	// We're too small to fit the texture
+	if (textureWidth > width || textureHeight > height)
+	{
+		return false;
+	}
+
+	// Exact fit! best-case-solution
+	if (textureWidth == width && textureHeight == height && subSlots == NULL)
+	{
+		// Store somehow
+		this->textureHolder = textureHolder;
+		return true;
+	}
+
+	// See if we're already divided before, if not, setup subSlots
+	if (subSlots == NULL)
+	{
+		subSlots = new vector<StitchSlot *>();
+
+		// First slot is for the new texture
+		subSlots->push_back(new StitchSlot(originX, originY, textureWidth, textureHeight));
+
+		int spareWidth = width - textureWidth;
+		int spareHeight = height - textureHeight;
+
+		if (spareHeight > 0 && spareWidth > 0)
+		{
+			// Space below AND right
+			//
+			//       <-right->
+			// +-----+-------+
+			// |     |       |
+			// | Tex |       |
+			// |     |       |
+			// |-----+       | ^
+			// |             | |- bottom
+			// +-------------+ v
+			// We need to add two more areas, the one with the 'biggest' dimensions should be used
+			// (In the case of this ASCII drawing, it's the 'right hand side' that should win)
+
+			// The 'fattest' area should be used (or when tied, the right hand one)
+			int right = max(height, spareWidth);
+			int bottom = max(width, spareHeight);
+			if (right >= bottom)
+			{
+				subSlots->push_back(new StitchSlot(originX, originY + textureHeight, textureWidth, spareHeight));
+				subSlots->push_back(new StitchSlot(originX + textureWidth, originY, spareWidth, height));
+			}
+			else
+			{
+				subSlots->push_back(new StitchSlot(originX + textureWidth, originY, spareWidth, textureHeight));
+				subSlots->push_back(new StitchSlot(originX, originY + textureHeight, width, spareHeight));
+			}
+
+		}
+		else if (spareWidth == 0)
+		{
+			// We just have space left below
+			//
+			// +-------------+
+			// |             |
+			// | Tex         |
+			// |             |
+			// |-------------+ ^
+			// |             | |- bottom
+			// +-------------+ v
+			subSlots->push_back(new StitchSlot(originX, originY + textureHeight, textureWidth, spareHeight));
+		}
+		else if (spareHeight == 0)
+		{
+			// Only space to the right
+			//
+			//       <-right->
+			// +-----+-------+
+			// |     |       |
+			// | Tex |       |
+			// |     |       |
+			// |     |       |
+			// |     |       |
+			// +-----+-------+
+			subSlots->push_back(new StitchSlot(originX + textureWidth, originY, spareWidth, textureHeight));
+		}
+	}
+
+	//for (final StitchSlot subSlot : subSlots)
+	for(AUTO_VAR(it, subSlots->begin()); it != subSlots->end(); ++it)
+	{
+		StitchSlot *subSlot = *it;
+		if (subSlot->add(textureHolder))
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void StitchSlot::collectAssignments(vector<StitchSlot *> *result)
+{
+	if (textureHolder != NULL)
+	{
+		result->push_back(this);
+	}
+	else if (subSlots != NULL)
+	{
+		//for (StitchSlot subSlot : subSlots)
+		for(AUTO_VAR(it, subSlots->begin()); it != subSlots->end(); ++it)
+		{
+			StitchSlot *subSlot = *it;
+			subSlot->collectAssignments(result);
+		}
+	}
+}
+
+//@Override
+wstring StitchSlot::toString()
+{
+	return L"Slot{originX=" + _toString(originX) + L", originY=" + _toString(originY) + L", width=" + _toString(width) + L", height=" + _toString(height) + L", texture=" + _toString(textureHolder) + L", subSlots=" + _toString(subSlots) + L'}';
+}
\ No newline at end of file
-- 
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