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-rw-r--r--src/saveload/linkgraph_sl.cpp121
-rw-r--r--src/saveload/saveload.cpp16
-rw-r--r--src/saveload/saveload.h22
-rw-r--r--src/saveload/saveload_internal.h1
4 files changed, 146 insertions, 14 deletions
diff --git a/src/saveload/linkgraph_sl.cpp b/src/saveload/linkgraph_sl.cpp
new file mode 100644
index 000000000..4993e4b15
--- /dev/null
+++ b/src/saveload/linkgraph_sl.cpp
@@ -0,0 +1,121 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file linkgraph_sl.cpp Code handling saving and loading of link graphs */
+
+#include "../stdafx.h"
+#include "../linkgraph/linkgraph.h"
+#include "../settings_internal.h"
+#include "saveload.h"
+
+typedef LinkGraph::BaseNode Node;
+typedef LinkGraph::BaseEdge Edge;
+
+static uint _num_nodes;
+
+/**
+ * Get a SaveLoad array for a link graph.
+ * @return SaveLoad array for link graph.
+ */
+const SaveLoad *GetLinkGraphDesc()
+{
+ static const SaveLoad link_graph_desc[] = {
+ SLE_VAR(LinkGraph, last_compression, SLE_UINT32),
+ SLEG_VAR(_num_nodes, SLE_UINT16),
+ SLE_VAR(LinkGraph, cargo, SLE_UINT8),
+ SLE_END()
+ };
+ return link_graph_desc;
+}
+
+/* Edges and nodes are saved in the correct order, so we don't need to save their IDs. */
+
+/**
+ * SaveLoad desc for a link graph node.
+ */
+static const SaveLoad _node_desc[] = {
+ SLE_VAR(Node, supply, SLE_UINT32),
+ SLE_VAR(Node, demand, SLE_UINT32),
+ SLE_VAR(Node, station, SLE_UINT16),
+ SLE_VAR(Node, last_update, SLE_UINT32),
+ SLE_END()
+};
+
+/**
+ * SaveLoad desc for a link graph edge.
+ */
+static const SaveLoad _edge_desc[] = {
+ SLE_VAR(Edge, distance, SLE_UINT32),
+ SLE_VAR(Edge, capacity, SLE_UINT32),
+ SLE_VAR(Edge, usage, SLE_UINT32),
+ SLE_VAR(Edge, last_update, SLE_UINT32),
+ SLE_VAR(Edge, next_edge, SLE_UINT16),
+ SLE_END()
+};
+
+/**
+ * Save/load a link graph.
+ * @param comp Link graph to be saved or loaded.
+ */
+void SaveLoad_LinkGraph(LinkGraph &lg)
+{
+ uint size = lg.Size();
+ for (NodeID from = 0; from < size; ++from) {
+ Node *node = &lg.nodes[from];
+ SlObject(node, _node_desc);
+ for (NodeID to = 0; to < size; ++to) {
+ SlObject(&lg.edges[from][to], _edge_desc);
+ }
+ }
+}
+
+/**
+ * Save a link graph.
+ * @param lg LinkGraph to be saved.
+ */
+static void DoSave_LGRP(LinkGraph *lg)
+{
+ _num_nodes = lg->Size();
+ SlObject(lg, GetLinkGraphDesc());
+ SaveLoad_LinkGraph(*lg);
+}
+
+/**
+ * Load all link graphs.
+ */
+static void Load_LGRP()
+{
+ int index;
+ while ((index = SlIterateArray()) != -1) {
+ if (!LinkGraph::CanAllocateItem()) {
+ /* Impossible as they have been present in previous game. */
+ NOT_REACHED();
+ }
+ LinkGraph *lg = new (index) LinkGraph();
+ SlObject(lg, GetLinkGraphDesc());
+ lg->Init(_num_nodes);
+ SaveLoad_LinkGraph(*lg);
+ }
+}
+
+/**
+ * Save all link graphs.
+ */
+static void Save_LGRP()
+{
+ LinkGraph *lg;
+ FOR_ALL_LINK_GRAPHS(lg) {
+ SlSetArrayIndex(lg->index);
+ SlAutolength((AutolengthProc*)DoSave_LGRP, lg);
+ }
+}
+
+extern const ChunkHandler _linkgraph_chunk_handlers[] = {
+ { 'LGRP', Save_LGRP, Load_LGRP, NULL, NULL, CH_ARRAY | CH_LAST }
+};
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
index 69b42da9c..61ab52656 100644
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -35,6 +35,7 @@
#include "../date_func.h"
#include "../autoreplace_base.h"
#include "../roadstop_base.h"
+#include "../linkgraph/linkgraph.h"
#include "../statusbar_gui.h"
#include "../fileio_func.h"
#include "../gamelog.h"
@@ -425,6 +426,7 @@ extern const ChunkHandler _group_chunk_handlers[];
extern const ChunkHandler _cargopacket_chunk_handlers[];
extern const ChunkHandler _autoreplace_chunk_handlers[];
extern const ChunkHandler _labelmaps_chunk_handlers[];
+extern const ChunkHandler _linkgraph_chunk_handlers[];
extern const ChunkHandler _airport_chunk_handlers[];
extern const ChunkHandler _object_chunk_handlers[];
extern const ChunkHandler _persistent_storage_chunk_handlers[];
@@ -459,6 +461,7 @@ static const ChunkHandler * const _chunk_handlers[] = {
_cargopacket_chunk_handlers,
_autoreplace_chunk_handlers,
_labelmaps_chunk_handlers,
+ _linkgraph_chunk_handlers,
_airport_chunk_handlers,
_object_chunk_handlers,
_persistent_storage_chunk_handlers,
@@ -1212,10 +1215,11 @@ static size_t ReferenceToInt(const void *obj, SLRefType rt)
case REF_TOWN: return ((const Town*)obj)->index + 1;
case REF_ORDER: return ((const Order*)obj)->index + 1;
case REF_ROADSTOPS: return ((const RoadStop*)obj)->index + 1;
- case REF_ENGINE_RENEWS: return ((const EngineRenew*)obj)->index + 1;
- case REF_CARGO_PACKET: return ((const CargoPacket*)obj)->index + 1;
- case REF_ORDERLIST: return ((const OrderList*)obj)->index + 1;
- case REF_STORAGE: return ((const PersistentStorage*)obj)->index + 1;
+ case REF_ENGINE_RENEWS: return ((const EngineRenew*)obj)->index + 1;
+ case REF_CARGO_PACKET: return ((const CargoPacket*)obj)->index + 1;
+ case REF_ORDERLIST: return ((const OrderList*)obj)->index + 1;
+ case REF_STORAGE: return ((const PersistentStorage*)obj)->index + 1;
+ case REF_LINK_GRAPH: return ((const LinkGraph*)obj)->index + 1;
default: NOT_REACHED();
}
}
@@ -1289,6 +1293,10 @@ static void *IntToReference(size_t index, SLRefType rt)
if (PersistentStorage::IsValidID(index)) return PersistentStorage::Get(index);
SlErrorCorrupt("Referencing invalid PersistentStorage");
+ case REF_LINK_GRAPH:
+ if (LinkGraph::IsValidID(index)) return LinkGraph::Get(index);
+ SlErrorCorrupt("Referencing invalid LinkGraph");
+
default: NOT_REACHED();
}
}
diff --git a/src/saveload/saveload.h b/src/saveload/saveload.h
index c5ffbeff8..77cd3fb35 100644
--- a/src/saveload/saveload.h
+++ b/src/saveload/saveload.h
@@ -73,16 +73,18 @@ struct NullStruct {
/** Type of reference (#SLE_REF, #SLE_CONDREF). */
enum SLRefType {
- REF_ORDER = 0, ///< Load/save a reference to an order.
- REF_VEHICLE = 1, ///< Load/save a reference to a vehicle.
- REF_STATION = 2, ///< Load/save a reference to a station.
- REF_TOWN = 3, ///< Load/save a reference to a town.
- REF_VEHICLE_OLD = 4, ///< Load/save an old-style reference to a vehicle (for pre-4.4 savegames).
- REF_ROADSTOPS = 5, ///< Load/save a reference to a bus/truck stop.
- REF_ENGINE_RENEWS = 6, ///< Load/save a reference to an engine renewal (autoreplace).
- REF_CARGO_PACKET = 7, ///< Load/save a reference to a cargo packet.
- REF_ORDERLIST = 8, ///< Load/save a reference to an orderlist.
- REF_STORAGE = 9, ///< Load/save a reference to a persistent storage.
+ REF_ORDER = 0, ///< Load/save a reference to an order.
+ REF_VEHICLE = 1, ///< Load/save a reference to a vehicle.
+ REF_STATION = 2, ///< Load/save a reference to a station.
+ REF_TOWN = 3, ///< Load/save a reference to a town.
+ REF_VEHICLE_OLD = 4, ///< Load/save an old-style reference to a vehicle (for pre-4.4 savegames).
+ REF_ROADSTOPS = 5, ///< Load/save a reference to a bus/truck stop.
+ REF_ENGINE_RENEWS = 6, ///< Load/save a reference to an engine renewal (autoreplace).
+ REF_CARGO_PACKET = 7, ///< Load/save a reference to a cargo packet.
+ REF_ORDERLIST = 8, ///< Load/save a reference to an orderlist.
+ REF_STORAGE = 9, ///< Load/save a reference to a persistent storage.
+ REF_LINK_GRAPH = 10, ///< Load/save a reference to a link graph.
+ REF_LINK_GRAPH_JOB = 11, ///< Load/save a reference to a link graph job.
};
/** Highest possible savegame version. */
diff --git a/src/saveload/saveload_internal.h b/src/saveload/saveload_internal.h
index 5217db136..476a324f8 100644
--- a/src/saveload/saveload_internal.h
+++ b/src/saveload/saveload_internal.h
@@ -31,6 +31,7 @@ void FixupTrainLengths();
void AfterLoadStations();
void AfterLoadRoadStops();
void AfterLoadLabelMaps();
+void AfterLoadLinkGraphs();
void AfterLoadCompanyStats();
void UpdateHousesAndTowns();
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-02 22:08:51 +0000