From 3aa0ce5c3ade10f4e9dc63438ddfa90910956922 Mon Sep 17 00:00:00 2001
From: CommonLoon102 <321850+CommonLoon102@users.noreply.github.com>
Date: Sun, 22 Sep 2019 07:55:57 +0000
Subject: [PATCH] Maphack support (#186)

# Conflicts:
#	.gitignore
---
 .gitignore                 |  4 ++++
 source/blood/src/blood.cpp | 28 ++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/.gitignore b/.gitignore
index 19c08eeb8..d52256030 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,7 @@ texturecache
 
 *.manifest
 /*.map
+/*.mhk
 /platform/Windows/*.map
 *.pdb
 .vs/
@@ -40,7 +41,10 @@ texturecache
 /*.grp
 /*.rts
 /*.art
+/*.ar_
 /*.con
+/*.SMK
+/*.WAV
 /platform/Windows/*.con
 *.memmap
 *.sdf
diff --git a/source/blood/src/blood.cpp b/source/blood/src/blood.cpp
index 55135db3f..a8c32a294 100644
--- a/source/blood/src/blood.cpp
+++ b/source/blood/src/blood.cpp
@@ -503,6 +503,32 @@ void EndLevel(void)
     seqKillAll();
 }
 
+int G_TryMapHack(const char* mhkfile)
+{
+    int const failure = engineLoadMHK(mhkfile);
+
+    if (!failure)
+        initprintf("Loaded map hack file \"%s\"\n", mhkfile);
+
+    return failure;
+}
+
+void G_LoadMapHack(char* outbuf, const char* filename)
+{
+    if (filename != NULL)
+        Bstrcpy(outbuf, filename);
+
+    append_ext_UNSAFE(outbuf, ".mhk");
+
+    if (G_TryMapHack(outbuf) && usermaphacks != NULL)
+    {
+        auto pMapInfo = (usermaphack_t*)bsearch(&g_loadedMapHack, usermaphacks, num_usermaphacks,
+            sizeof(usermaphack_t), compare_usermaphacks);
+        if (pMapInfo)
+            G_TryMapHack(pMapInfo->mhkfile);
+    }
+}
+
 PLAYER gPlayerTemp[kMaxPlayers];
 int gHealthTemp[kMaxPlayers];
 
@@ -575,6 +601,8 @@ void StartLevel(GAMEOPTIONS *gameOptions)
         gQuitGame = true;
         return;
     }
+    char levelName[BMAX_PATH];
+    G_LoadMapHack(levelName, gameOptions->zLevelName);
     wsrand(gameOptions->uMapCRC);
     gKillMgr.Clear();
     gSecretMgr.Clear();