1 files changed, 83 insertions, 4 deletions
diff --git a/src/saveload/ai_sl.cpp b/src/saveload/ai_sl.cpp
index 2a0e5d4ad..a9ae30020 100644
--- a/src/saveload/ai_sl.cpp
+++ b/src/saveload/ai_sl.cpp
@@ -14,10 +14,6 @@
 #include "../debug.h"
 #include "saveload.h"
 #include "../string_func.h"
-#include "../ai/ai.hpp"
-#include "../ai/ai_config.hpp"
-#include "../network/network.h"
-#include "../ai/ai_instance.hpp"
 
 static char _ai_saveload_name[64];
 static int  _ai_saveload_version;
@@ -32,6 +28,12 @@ static const SaveLoad _ai_company[] = {
 	     SLE_END()
 };
 
+#ifdef ENABLE_AI
+#include "../ai/ai.hpp"
+#include "../ai/ai_config.hpp"
+#include "../network/network.h"
+#include "../ai/ai_instance.hpp"
+
 static void SaveReal_AIPL(int *index_ptr)
 {
 	CompanyID index = (CompanyID)*index_ptr;
@@ -121,3 +123,80 @@ static void Save_AIPL()
 extern const ChunkHandler _ai_chunk_handlers[] = {
 	{ 'AIPL', Save_AIPL, Load_AIPL, NULL, CH_ARRAY | CH_LAST},
 };
+#else
+
+/** The type of the data that follows in the savegame. */
+enum SQSaveLoadType {
+	SQSL_INT             = 0x00, ///< The following data is an integer.
+	SQSL_STRING          = 0x01, ///< The following data is an string.
+	SQSL_ARRAY           = 0x02, ///< The following data is an array.
+	SQSL_TABLE           = 0x03, ///< The following data is an table.
+	SQSL_BOOL            = 0x04, ///< The following data is a boolean.
+	SQSL_NULL            = 0x05, ///< A null variable.
+	SQSL_ARRAY_TABLE_END = 0xFF, ///< Marks the end of an array or table, no data follows.
+};
+
+static byte _ai_sl_byte;
+
+static const SaveLoad _ai_byte[] = {
+	SLEG_VAR(_ai_sl_byte, SLE_UINT8),
+	SLE_END()
+};
+
+static bool LoadObjects()
+{
+	SlObject(NULL, _ai_byte);
+	switch (_ai_sl_byte) {
+		case SQSL_INT: {
+			int value;
+			SlArray(&value, 1, SLE_INT32);
+			return true;
+		}
+
+		case SQSL_STRING: {
+			SlObject(NULL, _ai_byte);
+			static char buf[256];
+			SlArray(buf, _ai_sl_byte, SLE_CHAR);
+			return true;
+		}
+
+		case SQSL_ARRAY:
+			while (LoadObjects()) { }
+			return true;
+
+		case SQSL_TABLE:
+			while (LoadObjects()) { LoadObjects(); }
+			return true;
+
+		case SQSL_BOOL:
+			SlObject(NULL, _ai_byte);
+			return true;
+
+		case SQSL_NULL:
+			return true;
+
+		case SQSL_ARRAY_TABLE_END:
+			return false;
+
+		default: NOT_REACHED();
+	}
+}
+
+static void Load_AIPL()
+{
+	CompanyID index;
+	while ((index = (CompanyID)SlIterateArray()) != (CompanyID)-1) {
+		SlObject(NULL, _ai_company);
+
+		if (!Company::IsValidAiID(index)) continue;
+		SlObject(NULL, _ai_byte);
+		/* Check if there was anything saved at all. */
+		if (_ai_sl_byte == 0) continue;
+		LoadObjects();
+	}
+}
+
+extern const ChunkHandler _ai_chunk_handlers[] = {
+	{ 'AIPL', NULL, Load_AIPL, NULL, CH_ARRAY | CH_LAST},
+};
+#endif /* ENABLE_AI */