From 8670d3a5410714e25eff297164c00e4bfd10ee16 Mon Sep 17 00:00:00 2001
From: wootguy <drake.rhunter@gmail.com>
Date: Sat, 9 Nov 2024 07:07:42 -0800
Subject: [PATCH] expose rehlds hooks

kind of a pain to use because the rehlds and hlsdk headers conflict. Include rehlds.h before anything else. Example hook usage:
https://github.com/rehlds/revoice/blob/master/revoice/src/revoice_main.cpp#L252
---
 CMakeLists.txt      |  4 ++++
 dlls/CMakeLists.txt |  4 ----
 dlls/game.cpp       |  2 +-
 dlls/rehlds.cpp     | 34 ++--------------------------------
 dlls/rehlds.h       | 36 +++++++++++++++++++++++++++++++++++-
 5 files changed, 42 insertions(+), 38 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b407d56..27fad34e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,10 @@ include_directories(${CMAKE_SOURCE_DIR}/dlls/weapon)
 include_directories(${CMAKE_SOURCE_DIR}/dlls/net)
 include_directories(${CMAKE_SOURCE_DIR}/dlls/)
 
+include_directories(${CMAKE_SOURCE_DIR}/rehlds)
+include_directories(${CMAKE_SOURCE_DIR}/rehlds/rehlds/public)
+include_directories(${CMAKE_SOURCE_DIR}/rehlds/rehlds/common)
+
 project(sevenkewp)
 
 if (BUILD_SERVER)
diff --git a/dlls/CMakeLists.txt b/dlls/CMakeLists.txt
index 2f8aa51e..b4c5958a 100644
--- a/dlls/CMakeLists.txt
+++ b/dlls/CMakeLists.txt
@@ -607,10 +607,6 @@ set(ALL_SRC
 # don't compile individual entity files
 set_source_files_properties(${ENT_SRC} PROPERTIES HEADER_FILE_ONLY TRUE)
 
-include_directories(${CMAKE_SOURCE_DIR}/rehlds)
-include_directories(${CMAKE_SOURCE_DIR}/rehlds/rehlds/public)
-include_directories(${CMAKE_SOURCE_DIR}/rehlds/rehlds/common)
-
 add_library(${SERVER_DLL_NAME} SHARED ${ALL_SRC})
 
 target_include_directories(${SERVER_DLL_NAME} PRIVATE monster)
diff --git a/dlls/game.cpp b/dlls/game.cpp
index 42bafe2b..6ed3209c 100644
--- a/dlls/game.cpp
+++ b/dlls/game.cpp
@@ -12,6 +12,7 @@
 *   without written permission from Valve LLC.
 *
 ****/
+#include "rehlds.h"
 #include "extdll.h"
 #include "eiface.h"
 #include "util.h"
@@ -20,7 +21,6 @@
 #include "CBaseMonster.h"
 #include "skill.h"
 #include "PluginManager.h"
-#include "rehlds.h"
 
 cvar_t	displaysoundlist = {"displaysoundlist","0", 0, 0, 0};
 
diff --git a/dlls/rehlds.cpp b/dlls/rehlds.cpp
index c140114f..d798057a 100644
--- a/dlls/rehlds.cpp
+++ b/dlls/rehlds.cpp
@@ -1,27 +1,5 @@
-typedef enum server_state_e
-{
-	ss_dead = 0,
-	ss_loading = 1,
-	ss_active = 2,
-} server_state_t;
-
-typedef float vec_t;
-typedef vec_t vec3_t[3];
-
-typedef struct cache_user_s
-{
-	void* data;
-} cache_user_t;
-
-using cvar_callback_t = void (*)(const char* pszNewValue);
-
-#define EXT_FUNC
-#define SYNCTYPE_T
-
-#include "rehlds/public/interface.h"
-#include "rehlds/public/rehlds/custom.h"
-#include "rehlds/public/FileSystem.h"
-#include "rehlds/public/rehlds/rehlds_api.h"
+#include "rehlds.h"
+#include "util.h"
 
 IRehldsApi* g_RehldsApi;
 const RehldsFuncs_t* g_RehldsFuncs;
@@ -29,14 +7,6 @@ IRehldsServerData* g_RehldsData;
 IRehldsHookchains* g_RehldsHookchains;
 IRehldsServerStatic* g_RehldsSvs;
 
-#include "rehlds.h"
-
-extern void DEBUG_MSG(ALERT_TYPE target, const char* format, ...);
-#define ALERT(...) DEBUG_MSG(__VA_ARGS__)
-extern char* UTIL_VarArgs(const char* format, ...);
-
-extern enginefuncs_t g_engfuncs;
-
 bool RehldsApi_Init()
 {
 #ifdef WIN32
diff --git a/dlls/rehlds.h b/dlls/rehlds.h
index 2493d764..e5026227 100644
--- a/dlls/rehlds.h
+++ b/dlls/rehlds.h
@@ -1,4 +1,38 @@
 #pragma once
 
+// handle conflicts between rehlds and hlsdk headers
+#ifndef CACHE_USER
+typedef enum server_state_e
+{
+	ss_dead = 0,
+	ss_loading = 1,
+	ss_active = 2,
+} server_state_t;
 
-bool RehldsApi_Init();
\ No newline at end of file
+using cvar_callback_t = void (*)(const char* pszNewValue);
+
+typedef struct cache_user_s
+{
+	void* data;
+} cache_user_t;
+
+#define CACHE_USER
+#define SYNCTYPE_T
+#define DID_VEC3_T_DEFINE
+#define EXT_FUNC
+#define EIFACE_H
+#endif
+
+#include "extdll.h"
+#include "rehlds/public/rehlds/custom.h"
+#include "rehlds/public/interface.h"
+#include "rehlds/public/FileSystem.h"
+#include "rehlds/public/rehlds/rehlds_api.h"
+
+bool RehldsApi_Init();
+
+EXPORT extern IRehldsApi* g_RehldsApi;
+EXPORT extern const RehldsFuncs_t* g_RehldsFuncs;
+EXPORT extern IRehldsServerData* g_RehldsData;
+EXPORT extern IRehldsHookchains* g_RehldsHookchains;
+EXPORT extern IRehldsServerStatic* g_RehldsSvs;
\ No newline at end of file