From 3d0a0e8e48f1de9106628a11ed08fa0b71b961b4 Mon Sep 17 00:00:00 2001 From: fonsinchen Date: Sun, 9 Jun 2013 13:02:05 +0000 Subject: [PATCH] (svn r25358) -Codechange: save and load link graph jobs and the schedule --- src/saveload/afterload.cpp | 2 + src/saveload/linkgraph_sl.cpp | 148 +++++++++++++++++++++++++++++++++- src/saveload/saveload.cpp | 6 ++ src/settings.cpp | 2 +- 4 files changed, 156 insertions(+), 2 deletions(-) diff --git a/src/saveload/afterload.cpp b/src/saveload/afterload.cpp index a4be617749..d1333c853b 100644 --- a/src/saveload/afterload.cpp +++ b/src/saveload/afterload.cpp @@ -2790,6 +2790,8 @@ bool AfterLoadGame() InitializeWindowsAndCaches(); /* Restore the signals */ ResetSignalHandlers(); + + AfterLoadLinkGraphs(); return true; } diff --git a/src/saveload/linkgraph_sl.cpp b/src/saveload/linkgraph_sl.cpp index 4993e4b15a..121934d8d6 100644 --- a/src/saveload/linkgraph_sl.cpp +++ b/src/saveload/linkgraph_sl.cpp @@ -11,12 +11,16 @@ #include "../stdafx.h" #include "../linkgraph/linkgraph.h" +#include "../linkgraph/linkgraphjob.h" +#include "../linkgraph/linkgraphschedule.h" #include "../settings_internal.h" #include "saveload.h" typedef LinkGraph::BaseNode Node; typedef LinkGraph::BaseEdge Edge; +const SettingDesc *GetSettingDescription(uint index); + static uint _num_nodes; /** @@ -34,6 +38,69 @@ const SaveLoad *GetLinkGraphDesc() return link_graph_desc; } +/** + * Get a SaveLoad array for a link graph job. The settings struct is derived from + * the global settings saveload array. The exact entries are calculated when the function + * is called the first time. + * It's necessary to keep a copy of the settings for each link graph job so that you can + * change the settings while in-game and still not mess with current link graph runs. + * Of course the settings have to be saved and loaded, too, to avoid desyncs. + * @return Array of SaveLoad structs. + */ +const SaveLoad *GetLinkGraphJobDesc() +{ + static SmallVector saveloads; + static const char *prefix = "linkgraph."; + + /* Build the SaveLoad array on first call and don't touch it later on */ + if (saveloads.Length() == 0) { + size_t offset_gamesettings = cpp_offsetof(GameSettings, linkgraph); + size_t offset_component = cpp_offsetof(LinkGraphJob, settings); + + size_t prefixlen = strlen(prefix); + + int setting = 0; + const SettingDesc *desc = GetSettingDescription(setting); + while (desc->save.cmd != SL_END) { + if (desc->desc.name != NULL && strncmp(desc->desc.name, prefix, prefixlen) == 0) { + SaveLoad sl = desc->save; + char *&address = reinterpret_cast(sl.address); + address -= offset_gamesettings; + address += offset_component; + *(saveloads.Append()) = sl; + } + desc = GetSettingDescription(++setting); + } + + const SaveLoad job_desc[] = { + SLE_VAR(LinkGraphJob, join_date, SLE_UINT32), + SLE_VAR(LinkGraphJob, link_graph.index, SLE_UINT16), + SLE_END() + }; + + int i = 0; + do { + *(saveloads.Append()) = job_desc[i++]; + } while (saveloads[saveloads.Length() - 1].cmd != SL_END); + } + + return &saveloads[0]; +} + +/** + * Get a SaveLoad array for the link graph schedule. + * @return SaveLoad array for the link graph schedule. + */ +const SaveLoad *GetLinkGraphScheduleDesc() +{ + static const SaveLoad schedule_desc[] = { + SLE_LST(LinkGraphSchedule, schedule, REF_LINK_GRAPH), + SLE_LST(LinkGraphSchedule, running, REF_LINK_GRAPH_JOB), + SLE_END() + }; + return schedule_desc; +} + /* Edges and nodes are saved in the correct order, so we don't need to save their IDs. */ /** @@ -75,6 +142,18 @@ void SaveLoad_LinkGraph(LinkGraph &lg) } } +/** + * Save a link graph job. + * @param lgj LinkGraphJob to be saved. + */ +static void DoSave_LGRJ(LinkGraphJob *lgj) +{ + SlObject(lgj, GetLinkGraphJobDesc()); + _num_nodes = lgj->Size(); + SlObject(const_cast(&lgj->Graph()), GetLinkGraphDesc()); + SaveLoad_LinkGraph(const_cast(lgj->Graph())); +} + /** * Save a link graph. * @param lg LinkGraph to be saved. @@ -104,6 +183,43 @@ static void Load_LGRP() } } +/** + * Load all link graph jobs. + */ +static void Load_LGRJ() +{ + int index; + while ((index = SlIterateArray()) != -1) { + if (!LinkGraphJob::CanAllocateItem()) { + /* Impossible as they have been present in previous game. */ + NOT_REACHED(); + } + LinkGraphJob *lgj = new (index) LinkGraphJob(); + SlObject(lgj, GetLinkGraphJobDesc()); + LinkGraph &lg = const_cast(lgj->Graph()); + SlObject(&lg, GetLinkGraphDesc()); + lg.Init(_num_nodes); + SaveLoad_LinkGraph(lg); + } +} + +/** + * Load the link graph schedule. + */ +static void Load_LGRS() +{ + SlObject(LinkGraphSchedule::Instance(), GetLinkGraphScheduleDesc()); +} + +/** + * Spawn the threads for running link graph calculations. + * Has to be done after loading as the cargo classes might have changed. + */ +void AfterLoadLinkGraphs() +{ + LinkGraphSchedule::Instance()->SpawnAll(); +} + /** * Save all link graphs. */ @@ -116,6 +232,36 @@ static void Save_LGRP() } } +/** + * Save all link graph jobs. + */ +static void Save_LGRJ() +{ + LinkGraphJob *lgj; + FOR_ALL_LINK_GRAPH_JOBS(lgj) { + SlSetArrayIndex(lgj->index); + SlAutolength((AutolengthProc*)DoSave_LGRJ, lgj); + } +} + +/** + * Save the link graph schedule. + */ +static void Save_LGRS() +{ + SlObject(LinkGraphSchedule::Instance(), GetLinkGraphScheduleDesc()); +} + +/** + * Substitute pointers in link graph schedule. + */ +static void Ptrs_LGRS() +{ + SlObject(LinkGraphSchedule::Instance(), GetLinkGraphScheduleDesc()); +} + extern const ChunkHandler _linkgraph_chunk_handlers[] = { - { 'LGRP', Save_LGRP, Load_LGRP, NULL, NULL, CH_ARRAY | CH_LAST } + { 'LGRP', Save_LGRP, Load_LGRP, NULL, NULL, CH_ARRAY }, + { 'LGRJ', Save_LGRJ, Load_LGRJ, NULL, NULL, CH_ARRAY }, + { 'LGRS', Save_LGRS, Load_LGRS, Ptrs_LGRS, NULL, CH_LAST } }; diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp index 1e7a2f0e02..67914499f1 100644 --- a/src/saveload/saveload.cpp +++ b/src/saveload/saveload.cpp @@ -36,6 +36,7 @@ #include "../autoreplace_base.h" #include "../roadstop_base.h" #include "../linkgraph/linkgraph.h" +#include "../linkgraph/linkgraphjob.h" #include "../statusbar_gui.h" #include "../fileio_func.h" #include "../gamelog.h" @@ -1223,6 +1224,7 @@ static size_t ReferenceToInt(const void *obj, SLRefType rt) 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; + case REF_LINK_GRAPH_JOB: return ((const LinkGraphJob*)obj)->index + 1; default: NOT_REACHED(); } } @@ -1300,6 +1302,10 @@ static void *IntToReference(size_t index, SLRefType rt) if (LinkGraph::IsValidID(index)) return LinkGraph::Get(index); SlErrorCorrupt("Referencing invalid LinkGraph"); + case REF_LINK_GRAPH_JOB: + if (LinkGraphJob::IsValidID(index)) return LinkGraphJob::Get(index); + SlErrorCorrupt("Referencing invalid LinkGraphJob"); + default: NOT_REACHED(); } } diff --git a/src/settings.cpp b/src/settings.cpp index 4a2b66e6ba..825e3cbcaa 100644 --- a/src/settings.cpp +++ b/src/settings.cpp @@ -1714,7 +1714,7 @@ void DeleteGRFPresetFromConfig(const char *config_name) delete ini; } -static const SettingDesc *GetSettingDescription(uint index) +const SettingDesc *GetSettingDescription(uint index) { if (index >= lengthof(_settings)) return NULL; return &_settings[index];