l4d_unrestrict_panic_battlefield

增加
fantasylidong · Feb 27, 2024 · 820fa94 · 820fa94
1 parent 91ebcda
commit 820fa94
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diff --git a/addons/sourcemod/gamedata/l4d_unrestrict_panic_battlefield.txt b/addons/sourcemod/gamedata/l4d_unrestrict_panic_battlefield.txt
@@ -0,0 +1,93 @@
+"Games"
+{
+	"left4dead2"
+	{
+		"MemPatches"
+		{
+			"ZombieManager::GetRandomPZSpawnPosition__skip_PanicEventActive"
+			{
+				"signature"		"ZombieManager::GetRandomPZSpawnPosition"
+				"linux"
+				{
+					"offset"	"26Ch"
+					"verify"	"\x0F\x85"
+					"patch"		"\x90\x90\x90\x90\x90\x90"
+				}
+				"windows"
+				{
+					"offset"	"4Bh"
+					"verify"	"\x74"
+					"patch"		"\xEB"
+				}
+			}
+
+			"ZombieManager::CollectSpawnAreas__skip_PanicEventActive"
+			{
+				"signature"		"ZombieManager::CollectSpawnAreas"
+				"linux"
+				{
+					"offset"	"562h"
+					"verify"	"\x74"
+					"patch"		"\xEB"
+				}
+				"windows"
+				{
+					"offset"	"442h"
+					"verify"	"\x74"
+					"patch"		"\xEB"
+				}
+			}
+
+			"ZombieManager::AccumulateSpawnAreaCollection__skip_PanicEventActive"
+			{
+				"signature"		"ZombieManager::AccumulateSpawnAreaCollection"
+				"linux"
+				{
+					"offset"	"6D9h"
+					"verify"	"\x0F\x85"
+					"patch"		"\x90\x90\x90\x90\x90\x90"
+				}
+				"windows"
+				{
+					"offset"	"19Bh"
+					"verify"	"\x74"
+					"patch"		"\xEB"
+				}
+			}
+		}
+
+		"Signatures"
+		{
+			// stolen from left4dhooks thanks to Silvers
+			/*
+			 *  ZombieManager::GetRandomPZSpawnPosition(ZombieManager *_ZombieManager, int zombieClass, int attempts, int a4, int a5)
+			*/
+			"ZombieManager::GetRandomPZSpawnPosition"
+			{
+				"library"		"server"
+				"linux"			"@_ZNK13ZombieManager24GetRandomPZSpawnPositionE15ZombieClassTypeiP13CTerrorPlayerP6Vector"
+				"windows"		"\x55\x8B\x2A\x83\x2A\x2A\x53\x57\x8B\x2A\x2A\x8B\x2A\x89\x2A\x2A\x85\x2A\x75\x2A\x5F\x32"
+				/* 55 8B ? 83 ? ? 53 57 8B ? ? 8B ? 89 ? ? 85 ? 75 ? 5F 32 */
+				/* Search "ZombieManager::GetRandomPZSpawnPosition" */
+			}
+
+			// Search string "ZombieManager::CollectSpawnAreas"
+			"ZombieManager::CollectSpawnAreas"
+			{
+				"library"		"server"
+				"linux"			"@_ZNK13ZombieManager17CollectSpawnAreasENS_15MobLocationTypeE15ZombieClassType"
+				"windows"		"\x55\x8B\xEC\x83\xEC\x48\xA1\x2A\x2A\x2A\x2A\x53\x56\x57\x33\xFF\x89\x7D\xEC\x89\x7D\xF0\x8B\xF1\x39\x78\x08\x74\x2A\x8B\x40\x08\x68\x2A\x2A\x2A\x2A\x8B\x50\x50\x68\x2A\x2A\x2A\x2A\x68\x2A\x2A\x2A\x2A\x68\x2A\x2A\x2A\x2A\x68\x1A\x07\x00\x00"
+								/* 55 8B EC 83 EC 48 A1 ? ? ? ? 53 56 57 33 FF 89 7D EC 89 7D F0 8B F1 39 78 08 74 ? 8B 40 08 68 ? ? ? ? 8B 50 50 68 ? ? ? ? 68 ? ? ? ? 68 ? ? ? ? 68 1A 07 00 00 */
+			}
+
+			// Search string "ZombieManager::AccumulateSpawnAreaCollection"
+			"ZombieManager::AccumulateSpawnAreaCollection"
+			{
+				"library"		"server"
+				"linux"			"@_ZNK13ZombieManager29AccumulateSpawnAreaCollectionERK10CUtlVectorIP8CNavArea10CUtlMemoryIS2_iEENS_15MobLocationTypeE15ZombieClassTypefPS5_bb"
+				"windows"		"\x55\x8B\xEC\x83\xEC\x48\xA1\x2A\x2A\x2A\x2A\x53\x56\x33\xF6\x89\x75\xDC"
+								/* 55 8B EC 83 EC 48 A1 ? ? ? ? 53 56 33 F6 89 75 DC */
+			}
+		}
+	}
+}
diff --git a/addons/sourcemod/plugins/fixes/l4d_unrestrict_panic_battlefield.smx b/addons/sourcemod/plugins/fixes/l4d_unrestrict_panic_battlefield.smx
diff --git a/addons/sourcemod/scripting/AnneHappy/l4d_unrestrict_panic_battlefield.sp b/addons/sourcemod/scripting/AnneHappy/l4d_unrestrict_panic_battlefield.sp
@@ -0,0 +1,64 @@
+#pragma semicolon 1
+#pragma newdecls required
+
+#include <sourcemod>
+#include <sourcescramble>
+
+methodmap GameDataWrapper < GameData {
+	public GameDataWrapper(const char[] file) {
+		GameData gd = new GameData(file);
+		if (!gd) SetFailState("Missing gamedata \"%s\"", file);
+		return view_as<GameDataWrapper>(gd);
+	}
+	public MemoryPatch CreatePatchOrFail(const char[] name, bool enable = false) {
+		MemoryPatch hPatch = MemoryPatch.CreateFromConf(this, name);
+		if (!(enable ? hPatch.Enable() : hPatch.Validate()))
+			SetFailState("Failed to patch \"%s\"", name);
+		return hPatch;
+	}
+}
+
+enum struct BattleFieldPatch
+{
+	// "SPAWN_SPECIALS_ANYWHERE" is preferred over "SPAWN_SPECIALS_IN_FRONT_OF_SURVIVORS"
+	MemoryPatch GetRandomPZSpawnPosition;
+
+	// Only collects spawn areas with "BATTLEFIELD" flag
+	// Enabling this lets ZombieManager turn to "SurvivorActiveSet" for collecting spawn areas.
+	MemoryPatch CollectSpawnAreas;
+
+	// Never spawn Common Infected on spawning-disallowed areas
+	// Enabling this may cause Common Infected spawning much closer.
+	MemoryPatch AccumulateSpawnAreaCollection;
+
+	void Enable()
+	{
+		this.GetRandomPZSpawnPosition.Enable();
+		this.CollectSpawnAreas.Enable();
+		this.AccumulateSpawnAreaCollection.Enable();
+	}
+
+	void Disable()
+	{
+		this.GetRandomPZSpawnPosition.Disable();
+		this.CollectSpawnAreas.Disable();
+		this.AccumulateSpawnAreaCollection.Disable();
+	}
+}
+BattleFieldPatch g_BattleFieldPatch;
+
+public void OnPluginStart()
+{
+	GameDataWrapper gd = new GameDataWrapper("l4d_unrestrict_panic_battlefield");
+
+	g_BattleFieldPatch.GetRandomPZSpawnPosition = gd.CreatePatchOrFail("ZombieManager::GetRandomPZSpawnPosition__skip_PanicEventActive", false);
+	g_BattleFieldPatch.CollectSpawnAreas = gd.CreatePatchOrFail("ZombieManager::CollectSpawnAreas__skip_PanicEventActive", false);
+	g_BattleFieldPatch.AccumulateSpawnAreaCollection = gd.CreatePatchOrFail("ZombieManager::AccumulateSpawnAreaCollection__skip_PanicEventActive", false);
+
+	delete gd;
+}
+
+stock void TogglePatch(bool toggle)
+{
+	toggle ? g_BattleFieldPatch.Enable() : g_BattleFieldPatch.Disable();
+}
diff --git a/cfg/cfgogl/annehappy/shared_plugins.cfg b/cfg/cfgogl/annehappy/shared_plugins.cfg
@@ -179,6 +179,7 @@ sm plugins unload fixes/l4d_fix_common_shove.smx
 sm plugins load fixes/l4d2_blackscreen_fix.smx
 sm plugins load fixes/l4d2_ladder_patch.smx
 sm plugins load fixes/lfd_both_fixSG552.smx
+sm plugins load fixes/l4d_unrestrict_panic_battlefield.smx
 //sm plugins load fixes/l4d2_jockey_unteleport.smx
 
 //---------------------------