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authorBobTheBob <32057864+BobTheBob9@users.noreply.github.com>2022-08-24 00:32:31 +0100
committerGitHub <noreply@github.com>2022-08-24 00:32:31 +0100
commitf9bc3c9d1834cb8bd5f872b749b057c33e8b0102 (patch)
treee96e2da0d95798dd42eddf644a82a74555db858f /NorthstarDLL/hookutils.cpp
parent812893d8219daa60f5b5b7fd22cbd6b175603399 (diff)
downloadNorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.tar.gz
NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.zip
Adjust folder structure (#242)
* Adjust folder structure * change launcher directory name
Diffstat (limited to 'NorthstarDLL/hookutils.cpp')
-rw-r--r--NorthstarDLL/hookutils.cpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/NorthstarDLL/hookutils.cpp b/NorthstarDLL/hookutils.cpp
new file mode 100644
index 00000000..f5df3996
--- /dev/null
+++ b/NorthstarDLL/hookutils.cpp
@@ -0,0 +1,44 @@
+#include "pch.h"
+#include "hookutils.h"
+
+#include <iostream>
+
+void HookEnabler::CreateHook(LPVOID ppTarget, LPVOID ppDetour, LPVOID* ppOriginal, const char* targetName)
+{
+ // the macro for this uses ppTarget's name as targetName, and this typically starts with &
+ // targetname is used for debug stuff and debug output is nicer if we don't have this
+ if (*targetName == '&')
+ targetName++;
+
+ if (MH_CreateHook(ppTarget, ppDetour, ppOriginal) == MH_OK)
+ {
+ HookTarget* target = new HookTarget;
+ target->targetAddress = ppTarget;
+ target->targetName = (char*)targetName;
+
+ m_hookTargets.push_back(target);
+ }
+ else
+ {
+ if (targetName != nullptr)
+ spdlog::error("MH_CreateHook failed for function {}", targetName);
+ else
+ spdlog::error("MH_CreateHook failed for unknown function");
+ }
+}
+
+HookEnabler::~HookEnabler()
+{
+ for (auto& hook : m_hookTargets)
+ {
+ if (MH_EnableHook(hook->targetAddress) != MH_OK)
+ {
+ if (hook->targetName != nullptr)
+ spdlog::error("MH_EnableHook failed for function {}", hook->targetName);
+ else
+ spdlog::error("MH_EnableHook failed for unknown function");
+ }
+ else
+ spdlog::info("Enabling hook {}", hook->targetName);
+ }
+} \ No newline at end of file