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-rw-r--r--src/network/core/config.h9
-rw-r--r--src/network/core/udp.cpp4
-rw-r--r--src/network/network.cpp3
3 files changed, 14 insertions, 2 deletions
diff --git a/src/network/core/config.h b/src/network/core/config.h
index 0b80800f0..71f3983a9 100644
--- a/src/network/core/config.h
+++ b/src/network/core/config.h
@@ -42,6 +42,15 @@ enum {
NETWORK_MAX_GRF_COUNT = 55,
NETWORK_NUM_LANGUAGES = 4, ///< Number of known languages (to the network protocol) + 1 for 'any'.
+ /**
+ * The number of landscapes in OpenTTD.
+ * This number must be equal to NUM_LANDSCAPE, but as this number is used
+ * within the network code and that the network code is shared with the
+ * masterserver/updater, it has to be declared in here too. In network.cpp
+ * there is a compile assertion to check that this NUM_LANDSCAPE is equal
+ * to NETWORK_NUM_LANDSCAPES.
+ */
+ NETWORK_NUM_LANDSCAPES = 4,
};
#endif /* ENABLE_NETWORK */
diff --git a/src/network/core/udp.cpp b/src/network/core/udp.cpp
index 38309d326..f20f98ba9 100644
--- a/src/network/core/udp.cpp
+++ b/src/network/core/udp.cpp
@@ -300,8 +300,8 @@ void NetworkUDPSocketHandler::Recv_NetworkGameInfo(Packet *p, NetworkGameInfo *i
info->map_set = NetworkRecv_uint8 (this, p);
info->dedicated = (NetworkRecv_uint8(this, p) != 0);
- if (info->server_lang >= NETWORK_NUM_LANGUAGES) info->server_lang = 0;
- if (info->map_set >= NUM_LANDSCAPE) info->map_set = 0;
+ if (info->server_lang >= NETWORK_NUM_LANGUAGES) info->server_lang = 0;
+ if (info->map_set >= NETWORK_NUM_LANDSCAPES) info->map_set = 0;
}
}
diff --git a/src/network/network.cpp b/src/network/network.cpp
index 0211aebd2..4ab8d3390 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -38,6 +38,9 @@
#include <stdarg.h> /* va_list */
#include "../md5.h"
+/* Check whether NETWORK_NUM_LANDSCAPES is still in sync with NUM_LANDSCAPE */
+assert_compile((int)NETWORK_NUM_LANDSCAPES == (int)NUM_LANDSCAPE);
+
// global variables (declared in network_data.h)
CommandPacket *_local_command_queue;