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/GameMode.cpp | 182 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 Minecraft.Client/GameMode.cpp

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

diff --git a/Minecraft.Client/GameMode.cpp b/Minecraft.Client/GameMode.cpp
new file mode 100644
index 00000000..a11d6c07
--- /dev/null
+++ b/Minecraft.Client/GameMode.cpp
@@ -0,0 +1,182 @@
+#include "stdafx.h"
+#include "GameMode.h"
+#include "LocalPlayer.h"
+#include "LevelRenderer.h"
+#include "..\Minecraft.World\net.minecraft.world.level.h"
+#include "..\Minecraft.World\net.minecraft.world.level.tile.h"
+#include "..\Minecraft.World\net.minecraft.world.level.dimension.h"
+#include "..\Minecraft.World\net.minecraft.world.item.h"
+#include "..\Minecraft.World\net.minecraft.world.inventory.h"
+#include "..\Minecraft.World\net.minecraft.world.entity.player.h"
+#include "..\Minecraft.World\net.minecraft.world.level.chunk.h"
+
+GameMode::GameMode(Minecraft *minecraft)
+{
+	instaBuild = false;	// 4J - added
+	this->minecraft = minecraft;
+}
+
+void GameMode::initLevel(Level *level)
+{
+}
+
+bool GameMode::destroyBlock(int x, int y, int z, int face)
+{
+    Level *level = minecraft->level;
+    Tile *oldTile = Tile::tiles[level->getTile(x, y, z)];
+	if (oldTile == NULL) return false;
+
+	//  4J - Let the rendering side of thing know we are about to destroy the tile, so we can synchronise collision with async render data upates.
+	minecraft->levelRenderer->destroyedTileManager->destroyingTileAt(level, x, y, z);
+    level->levelEvent(LevelEvent::PARTICLES_DESTROY_BLOCK, x, y, z, oldTile->id + (level->getData(x, y, z) << Tile::TILE_NUM_SHIFT));
+    int data = level->getData(x, y, z);
+	// 4J - before we remove the tile, recalc the heightmap - setTile depends on this being valid to be able to do
+	// a quick update of skylighting when the block is removed, and there are cases with falling tiles where this can get out of sync
+	level->getChunkAt(x,z)->recalcHeightmapOnly();
+    bool changed = level->setTile(x, y, z, 0);
+
+    if (oldTile != NULL && changed)
+	{
+        oldTile->destroy(level, x, y, z, data);
+    }
+    return changed;
+}
+
+void GameMode::render(float a)
+{
+}
+
+bool GameMode::useItem(shared_ptr<Player> player, Level *level, shared_ptr<ItemInstance> item, bool bTestUseOnly)
+{
+}
+
+void GameMode::initPlayer(shared_ptr<Player> player)
+{
+}
+
+void GameMode::tick()
+{
+}
+
+void GameMode::adjustPlayer(shared_ptr<Player> player)
+{
+}
+
+//bool GameMode::useItemOn(shared_ptr<Player> player, Level *level, shared_ptr<ItemInstance> item, int x, int y, int z, int face, bool bTestUseOnOnly)
+//{
+//	// 4J-PB - Adding a test only version to allow tooltips to be displayed
+//	int t = level->getTile(x, y, z);
+//	if (t > 0)
+//	{
+//		if(bTestUseOnOnly)
+//		{
+//			switch(t)
+//			{
+//			case Tile::recordPlayer_Id: 
+//			case Tile::bed_Id: // special case for a bed
+//				if (Tile::tiles[t]->TestUse(level, x, y, z, player )) 
+//				{
+//					return true;
+//				}
+//				else
+//				{
+//					// bed is too far away, or something
+//					return false;
+//				}
+//			break;
+//			default:
+//				if (Tile::tiles[t]->TestUse()) return true;
+//				break;
+//			}
+//		}
+//		else 
+//		{
+//			if (Tile::tiles[t]->use(level, x, y, z, player )) return true;
+//		}
+//	}
+//	
+//    if (item == NULL) return false;
+//    return item->useOn(player, level, x, y, z, face, bTestUseOnOnly);
+//}
+
+
+shared_ptr<Player> GameMode::createPlayer(Level *level)
+{
+	return shared_ptr<Player>( new LocalPlayer(minecraft, level, minecraft->user, level->dimension->id) );
+}
+
+bool GameMode::interact(shared_ptr<Player> player, shared_ptr<Entity> entity)
+{
+	return player->interact(entity);
+}
+
+void GameMode::attack(shared_ptr<Player> player, shared_ptr<Entity> entity)
+{
+	player->attack(entity);
+}
+
+shared_ptr<ItemInstance> GameMode::handleInventoryMouseClick(int containerId, int slotNum, int buttonNum, bool quickKeyHeld, shared_ptr<Player> player)
+{
+	return nullptr;
+}
+
+void GameMode::handleCloseInventory(int containerId, shared_ptr<Player> player)
+{
+    player->containerMenu->removed(player);
+	delete player->containerMenu;
+    player->containerMenu = player->inventoryMenu;
+}
+
+void GameMode::handleInventoryButtonClick(int containerId, int buttonId)
+{
+
+}
+
+bool GameMode::isCutScene()
+{
+	return false;
+}
+
+void GameMode::releaseUsingItem(shared_ptr<Player> player)
+{
+	player->releaseUsingItem();
+}
+
+bool GameMode::hasExperience()
+{
+	return false;
+}
+
+bool GameMode::hasMissTime()
+{
+	return true;
+}
+
+bool GameMode::hasInfiniteItems()
+{
+	return false;
+}
+
+bool GameMode::hasFarPickRange()
+{
+	return false;
+}
+
+void GameMode::handleCreativeModeItemAdd(shared_ptr<ItemInstance> clicked, int i)
+{
+}
+
+void GameMode::handleCreativeModeItemDrop(shared_ptr<ItemInstance> clicked)
+{
+}
+
+bool GameMode::handleCraftItem(int recipe, shared_ptr<Player> player)
+{
+	return true;
+}
+
+// 4J-PB
+void GameMode::handleDebugOptions(unsigned int uiVal, shared_ptr<Player> player)
+{
+	player->SetDebugOptions(uiVal);
+}
-- 
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