From 4bb4be17a462f0728baaef46d7bb08abf1f0b9ba Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <madebr@users.noreply.github.com>
Date: Fri, 16 Sep 2022 05:14:31 +0200
Subject: [PATCH] Fix pedestrian edit functions segfaulting when path isn't
 created (#163)

Dropping a point in pedestrian edit mode would segfault otherwise.
CARM95.EXE also segfaults.

How to reproduce:
- enable Pedestrian edit mode
- F10 or F11 (+a few other)
---
 src/DETHRACE/common/pedestrn.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/DETHRACE/common/pedestrn.c b/src/DETHRACE/common/pedestrn.c
index f4d96797..331d78fd 100644
--- a/src/DETHRACE/common/pedestrn.c
+++ b/src/DETHRACE/common/pedestrn.c
@@ -3355,6 +3355,11 @@ void DropPedPoint2() {
 void DropPedPoint() {
     LOG_TRACE("()");
 
+#if defined(DETHRACE_FIX_BUGS)
+    if (gPath_actor == NULL) {
+        return;
+    }
+#endif
     DropPedPoint2();
     NewTextHeadupSlot(4, 0, 2000, -1, "Dropped pedestrian point");
 }
@@ -3363,6 +3368,11 @@ void DropPedPoint() {
 void DropInitPedPoint() {
     LOG_TRACE("()");
 
+    #if defined(DETHRACE_FIX_BUGS)
+        if (gPath_actor == NULL) {
+            return;
+        }
+    #endif
     gInit_ped_instruc = gPed_instruc_count;
     DropPedPoint2();
     NewTextHeadupSlot(4, 0, 2000, -1, "Dropped initial pedestrian point");
@@ -3384,6 +3394,11 @@ void DropPedPointAir2() {
 void DropPedPointAir() {
     LOG_TRACE("()");
 
+#if defined(DETHRACE_FIX_BUGS)
+    if (gPath_actor == NULL) {
+        return;
+    }
+#endif
     DropPedPointAir2();
     NewTextHeadupSlot(4, 0, 2000, -1, "Dropped auto-y pedestrian point");
 }
@@ -3392,6 +3407,11 @@ void DropPedPointAir() {
 void DropInitPedPointAir() {
     LOG_TRACE("()");
 
+#if defined(DETHRACE_FIX_BUGS)
+    if (gPath_actor == NULL) {
+        return;
+    }
+#endif
     gInit_ped_instruc = gPed_instruc_count;
     DropPedPointAir2();
     NewTextHeadupSlot(4, 0, 2000, -1, "Dropped initial auto-y pedestrian point");