(svn r19395) -Fix [FS#3669]: the AI Debug window didn't open if an AI or library fails to compile when loading a savegame

3 files changed, 16 insertions, 0 deletions

diff --git a/src/ai/ai_gui.cpp b/src/ai/ai_gui.cpp
index c7ff796d9..a297f74aa 100644
--- a/src/ai/ai_gui.cpp
+++ b/src/ai/ai_gui.cpp
@@ -1024,3 +1024,15 @@ void InitializeAIGui()
 {
 	AIDebugWindow::ai_debug_company = INVALID_COMPANY;
 }
+
+/** Open the AI debug window if one of the AI scripts has crashed. */
+void ShowAIDebugWindowIfAIError()
+{
+	Company *c;
+	FOR_ALL_COMPANIES(c) {
+		if (c->is_ai && c->ai_instance->IsDead()) {
+			ShowAIDebugWindow(c->index);
+			break;
+		}
+	}
+}
diff --git a/src/ai/ai_gui.hpp b/src/ai/ai_gui.hpp
index e76681636..0a47e992b 100644
--- a/src/ai/ai_gui.hpp
+++ b/src/ai/ai_gui.hpp
@@ -17,6 +17,7 @@
 #ifdef ENABLE_AI
 void ShowAIDebugWindow(CompanyID show_company = INVALID_COMPANY);
 void ShowAIConfigWindow();
+void ShowAIDebugWindowIfAIError();
 #else
 #include "table/strings.h"
 
@@ -25,6 +26,7 @@ static inline void ShowAIConfigWindow()
 	ShowErrorMessage(STR_ERROR_NO_AI, STR_ERROR_NO_AI_SUB, WL_INFO);
 }
 static inline void ShowAIDebugWindow(CompanyID show_company = INVALID_COMPANY) {ShowAIConfigWindow();}
+static inline void ShowAIDebugWindowIfAIError() {}
 #endif /* ENABLE_AI */
 
 #endif /* AI_GUI_HPP */
diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp
index bb6496e00..15777af79 100644
--- a/src/saveload/afterload.cpp
+++ b/src/saveload/afterload.cpp
@@ -41,6 +41,7 @@
 #include "../company_func.h"
 #include "../road_cmd.h"
 #include "../ai/ai.hpp"
+#include "../ai/ai_gui.hpp"
 #include "../town.h"
 #include "../economy_base.h"
 #include "../animated_tile_func.h"
@@ -263,6 +264,7 @@ static void InitializeWindowsAndCaches()
 
 	CheckTrainsLengths();
 	ShowNewGRFError();
+	ShowAIDebugWindowIfAIError();
 }
 
 typedef void (CDECL *SignalHandlerPointer)(int);