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-rw-r--r--src/ai/api/ai_controller.cpp2
-rw-r--r--src/ai/api/ai_object.cpp7
-rw-r--r--src/ai/api/ai_object.hpp11
3 files changed, 16 insertions, 4 deletions
diff --git a/src/ai/api/ai_controller.cpp b/src/ai/api/ai_controller.cpp
index 88e666db4..6852e1142 100644
--- a/src/ai/api/ai_controller.cpp
+++ b/src/ai/api/ai_controller.cpp
@@ -30,7 +30,7 @@
/* static */ void AIController::Sleep(int ticks)
{
- if (!AIObject::GetAllowDoCommand()) {
+ if (!AIObject::CanSuspend()) {
throw AI_FatalError("You are not allowed to call Sleep in your constructor, Save(), Load(), and any valuator.");
}
diff --git a/src/ai/api/ai_object.cpp b/src/ai/api/ai_object.cpp
index 5f9031442..45012c20c 100644
--- a/src/ai/api/ai_object.cpp
+++ b/src/ai/api/ai_object.cpp
@@ -170,6 +170,11 @@ void AIObject::SetAllowDoCommand(bool allow)
bool AIObject::GetAllowDoCommand()
{
+ return GetStorage()->allow_do_command;
+}
+
+bool AIObject::CanSuspend()
+{
Squirrel *squirrel = Company::Get(_current_company)->ai_instance->engine;
return GetStorage()->allow_do_command && squirrel->CanSuspend();
}
@@ -197,7 +202,7 @@ int AIObject::GetCallbackVariable(int index)
bool AIObject::DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint cmd, const char *text, AISuspendCallbackProc *callback)
{
- if (AIObject::GetAllowDoCommand() == false) {
+ if (!AIObject::CanSuspend()) {
throw AI_FatalError("You are not allowed to execute any DoCommand (even indirect) in your constructor, Save(), Load(), and any valuator.");
}
diff --git a/src/ai/api/ai_object.hpp b/src/ai/api/ai_object.hpp
index e60fc35c5..21404d7e3 100644
--- a/src/ai/api/ai_object.hpp
+++ b/src/ai/api/ai_object.hpp
@@ -140,8 +140,15 @@ protected:
static GroupID GetNewGroupID();
/**
- * Get the latest stored allow_do_command.
- * If this is false, you are not allowed to do any DoCommands.
+ * Can we suspend the AI at this moment?
+ */
+ static bool CanSuspend();
+
+ /**
+ * Get the internal value of allow_do_command. This can differ
+ * from CanSuspend() if the reason we are not allowed
+ * to execute a DoCommand is in squirrel and not the API.
+ * In that case use this function to restore the previous value.
*/
static bool GetAllowDoCommand();