1150 lines
37 KiB
C++
1150 lines
37 KiB
C++
/* Copyright (C) 2013 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "simulation2/system/Component.h"
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#include "ICmpAIManager.h"
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#include "simulation2/MessageTypes.h"
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#include "graphics/Terrain.h"
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#include "lib/timer.h"
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#include "lib/tex/tex.h"
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#include "lib/allocators/shared_ptr.h"
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#include "ps/CLogger.h"
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#include "ps/Filesystem.h"
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#include "ps/Util.h"
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#include "simulation2/components/ICmpAIInterface.h"
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#include "simulation2/components/ICmpCommandQueue.h"
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#include "simulation2/components/ICmpObstructionManager.h"
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#include "simulation2/components/ICmpRangeManager.h"
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#include "simulation2/components/ICmpTemplateManager.h"
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#include "simulation2/components/ICmpTechnologyTemplateManager.h"
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#include "simulation2/components/ICmpTerritoryManager.h"
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#include "simulation2/helpers/Grid.h"
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#include "simulation2/serialization/DebugSerializer.h"
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#include "simulation2/serialization/StdDeserializer.h"
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#include "simulation2/serialization/StdSerializer.h"
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#include "simulation2/serialization/SerializeTemplates.h"
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/**
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* @file
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* Player AI interface.
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* AI is primarily scripted, and the CCmpAIManager component defined here
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* takes care of managing all the scripts.
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*
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* To avoid slow AI scripts causing jerky rendering, they are run in a background
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* thread (maintained by CAIWorker) so that it's okay if they take a whole simulation
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* turn before returning their results (though preferably they shouldn't use nearly
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* that much CPU).
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*
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* CCmpAIManager grabs the world state after each turn (making use of AIInterface.js
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* and AIProxy.js to decide what data to include) then passes it to CAIWorker.
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* The AI scripts will then run asynchronously and return a list of commands to execute.
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* Any attempts to read the command list (including indirectly via serialization)
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* will block until it's actually completed, so the rest of the engine should avoid
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* reading it for as long as possible.
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*
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* JS values are passed between the game and AI threads using ScriptInterface::StructuredClone.
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*
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* TODO: actually the thread isn't implemented yet, because performance hasn't been
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* sufficiently problematic to justify the complexity yet, but the CAIWorker interface
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* is designed to hopefully support threading when we want it.
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*/
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/**
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* Implements worker thread for CCmpAIManager.
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*/
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class CAIWorker
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{
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private:
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class CAIPlayer
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{
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NONCOPYABLE(CAIPlayer);
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public:
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CAIPlayer(CAIWorker& worker, const std::wstring& aiName, player_id_t player, uint8_t difficulty,
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const shared_ptr<ScriptRuntime>& runtime, boost::rand48& rng) :
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m_Worker(worker), m_AIName(aiName), m_Player(player), m_Difficulty(difficulty), m_ScriptInterface("Engine", "AI", runtime)
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{
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m_ScriptInterface.SetCallbackData(static_cast<void*> (this));
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m_ScriptInterface.ReplaceNondeterministicRNG(rng);
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m_ScriptInterface.LoadGlobalScripts();
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m_ScriptInterface.RegisterFunction<void, std::wstring, CAIPlayer::IncludeModule>("IncludeModule");
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m_ScriptInterface.RegisterFunction<void, CAIPlayer::DumpHeap>("DumpHeap");
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m_ScriptInterface.RegisterFunction<void, CAIPlayer::ForceGC>("ForceGC");
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m_ScriptInterface.RegisterFunction<void, CScriptValRooted, CAIPlayer::PostCommand>("PostCommand");
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m_ScriptInterface.RegisterFunction<void, std::wstring, std::vector<u32>, u32, u32, u32, CAIPlayer::DumpImage>("DumpImage");
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m_ScriptInterface.RegisterFunction<void, std::wstring, CScriptVal, CAIPlayer::RegisterSerializablePrototype>("RegisterSerializablePrototype");
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}
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~CAIPlayer()
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{
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// Clean up rooted objects before destroying their script context
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m_Obj = CScriptValRooted();
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m_Commands.clear();
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}
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static void IncludeModule(void* cbdata, std::wstring name)
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{
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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self->LoadScripts(name);
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}
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static void DumpHeap(void* cbdata)
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{
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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//std::cout << JS_GetGCParameter(self->m_ScriptInterface.GetRuntime(), JSGC_BYTES) << std::endl;
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self->m_ScriptInterface.DumpHeap();
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}
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static void ForceGC(void* cbdata)
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{
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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JS_GC(self->m_ScriptInterface.GetContext());
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}
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static void PostCommand(void* cbdata, CScriptValRooted cmd)
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{
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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self->m_Commands.push_back(self->m_ScriptInterface.WriteStructuredClone(cmd.get()));
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}
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/**
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* Debug function for AI scripts to dump 2D array data (e.g. terrain tile weights).
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* TODO: check if this needs to be here too.
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*/
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static void DumpImage(void* UNUSED(cbdata), std::wstring name, std::vector<u32> data, u32 w, u32 h, u32 max)
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{
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// TODO: this is totally not threadsafe.
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VfsPath filename = L"screenshots/aidump/" + name;
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if (data.size() != w*h)
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{
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debug_warn(L"DumpImage: data size doesn't match w*h");
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return;
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}
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if (max == 0)
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{
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debug_warn(L"DumpImage: max must not be 0");
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return;
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}
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const size_t bpp = 8;
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int flags = TEX_BOTTOM_UP|TEX_GREY;
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const size_t img_size = w * h * bpp/8;
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const size_t hdr_size = tex_hdr_size(filename);
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shared_ptr<u8> buf;
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AllocateAligned(buf, hdr_size+img_size, maxSectorSize);
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Tex t;
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if (tex_wrap(w, h, bpp, flags, buf, hdr_size, &t) < 0)
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return;
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u8* img = buf.get() + hdr_size;
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for (size_t i = 0; i < data.size(); ++i)
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img[i] = (u8)((data[i] * 255) / max);
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tex_write(&t, filename);
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tex_free(&t);
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}
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static void RegisterSerializablePrototype(void* cbdata, std::wstring name, CScriptVal proto)
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{
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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// Add our player number to avoid name conflicts with other prototypes
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// TODO: it would be better if serializable prototypes were stored in ScriptInterfaces
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// and then each serializer would access those matching its own context, but that's
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// not possible with AIs sharing data across contexts
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std::wstringstream protoID;
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protoID << self->m_Player << L"." << name.c_str();
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self->m_Worker.RegisterSerializablePrototype(protoID.str(), proto);
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}
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bool LoadScripts(const std::wstring& moduleName)
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{
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// Ignore modules that are already loaded
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if (m_LoadedModules.find(moduleName) != m_LoadedModules.end())
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return true;
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// Mark this as loaded, to prevent it recursively loading itself
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m_LoadedModules.insert(moduleName);
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// Load and execute *.js
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VfsPaths pathnames;
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vfs::GetPathnames(g_VFS, L"simulation/ai/" + moduleName + L"/", L"*.js", pathnames);
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for (VfsPaths::iterator it = pathnames.begin(); it != pathnames.end(); ++it)
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{
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if (!m_ScriptInterface.LoadGlobalScriptFile(*it))
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{
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LOGERROR(L"Failed to load script %ls", it->string().c_str());
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return false;
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}
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}
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return true;
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}
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bool Initialise(bool callConstructor)
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{
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if (!LoadScripts(m_AIName))
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return false;
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OsPath path = L"simulation/ai/" + m_AIName + L"/data.json";
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CScriptValRooted metadata = m_Worker.LoadMetadata(path);
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if (metadata.uninitialised())
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{
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LOGERROR(L"Failed to create AI player: can't find %ls", path.string().c_str());
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return false;
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}
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// Get the constructor name from the metadata
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std::string constructor;
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if (!m_ScriptInterface.GetProperty(metadata.get(), "constructor", constructor))
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{
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LOGERROR(L"Failed to create AI player: %ls: missing 'constructor'", path.string().c_str());
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return false;
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}
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// Get the constructor function from the loaded scripts
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CScriptVal ctor;
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if (!m_ScriptInterface.GetProperty(m_ScriptInterface.GetGlobalObject(), constructor.c_str(), ctor)
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|| ctor.undefined())
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{
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LOGERROR(L"Failed to create AI player: %ls: can't find constructor '%hs'", path.string().c_str(), constructor.c_str());
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return false;
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}
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m_ScriptInterface.GetProperty(metadata.get(), "useShared", m_UseSharedComponent);
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CScriptVal obj;
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if (callConstructor)
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{
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// Set up the data to pass as the constructor argument
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CScriptVal settings;
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m_ScriptInterface.Eval(L"({})", settings);
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m_ScriptInterface.SetProperty(settings.get(), "player", m_Player, false);
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m_ScriptInterface.SetProperty(settings.get(), "difficulty", m_Difficulty, false);
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ENSURE(m_Worker.m_HasLoadedEntityTemplates);
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m_ScriptInterface.SetProperty(settings.get(), "templates", m_Worker.m_EntityTemplates, false);
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obj = m_ScriptInterface.CallConstructor(ctor.get(), settings.get());
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}
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else
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{
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// For deserialization, we want to create the object with the correct prototype
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// but don't want to actually run the constructor again
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// XXX: actually we don't currently use this path for deserialization - maybe delete it?
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obj = m_ScriptInterface.NewObjectFromConstructor(ctor.get());
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}
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if (obj.undefined())
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{
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LOGERROR(L"Failed to create AI player: %ls: error calling constructor '%hs'", path.string().c_str(), constructor.c_str());
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return false;
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}
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m_Obj = CScriptValRooted(m_ScriptInterface.GetContext(), obj);
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return true;
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}
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void Run(CScriptVal state)
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{
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m_Commands.clear();
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m_ScriptInterface.CallFunctionVoid(m_Obj.get(), "HandleMessage", state);
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}
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// overloaded with a sharedAI part.
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// javascript can handle both natively on the same function.
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void Run(CScriptVal state, CScriptValRooted SharedAI)
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{
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m_Commands.clear();
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m_ScriptInterface.CallFunctionVoid(m_Obj.get(), "HandleMessage", state, SharedAI);
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}
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void InitWithSharedScript(CScriptVal state, CScriptValRooted SharedAI)
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{
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m_Commands.clear();
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m_ScriptInterface.CallFunctionVoid(m_Obj.get(), "InitWithSharedScript", state, SharedAI);
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}
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CAIWorker& m_Worker;
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std::wstring m_AIName;
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player_id_t m_Player;
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uint8_t m_Difficulty;
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bool m_UseSharedComponent;
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ScriptInterface m_ScriptInterface;
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CScriptValRooted m_Obj;
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std::vector<shared_ptr<ScriptInterface::StructuredClone> > m_Commands;
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std::set<std::wstring> m_LoadedModules;
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};
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public:
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struct SCommandSets
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{
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player_id_t player;
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std::vector<shared_ptr<ScriptInterface::StructuredClone> > commands;
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};
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CAIWorker() :
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// TODO: Passing a 32 MB argument to CreateRuntime() is a temporary fix
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// to prevent frequent AI out-of-memory crashes. The argument should be
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// removed as soon whenever the new pathfinder is committed
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// And the AIs can stop relying on their own little hands.
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m_ScriptRuntime(ScriptInterface::CreateRuntime(33554432)),
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m_ScriptInterface("Engine", "AI", m_ScriptRuntime),
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m_TurnNum(0),
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m_CommandsComputed(true),
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m_HasLoadedEntityTemplates(false),
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m_HasSharedComponent(false)
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{
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// TODO: ought to seed the RNG (in a network-synchronised way) before we use it
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m_ScriptInterface.ReplaceNondeterministicRNG(m_RNG);
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m_ScriptInterface.LoadGlobalScripts();
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m_ScriptInterface.SetCallbackData(NULL);
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m_ScriptInterface.RegisterFunction<void, CScriptValRooted, CAIWorker::PostCommand>("PostCommand");
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m_ScriptInterface.RegisterFunction<void, CAIWorker::DumpHeap>("DumpHeap");
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m_ScriptInterface.RegisterFunction<void, CAIWorker::ForceGC>("ForceGC");
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m_ScriptInterface.RegisterFunction<void, std::wstring, std::vector<u32>, u32, u32, u32, CAIWorker::DumpImage>("DumpImage");
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}
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~CAIWorker()
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{
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// Clear rooted script values before destructing the script interface
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m_EntityTemplates = CScriptValRooted();
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m_PlayerMetadata.clear();
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m_Players.clear();
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m_GameState.reset();
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m_PassabilityMapVal = CScriptValRooted();
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m_TerritoryMapVal = CScriptValRooted();
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}
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// This is called by AIs if they use the v3 API.
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// If the AIs originate the call, cbdata is not NULL.
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// If the shared component does, it is, so it must not be taken into account.
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static void PostCommand(void* cbdata, CScriptValRooted cmd)
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{
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if (cbdata == NULL) {
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debug_warn(L"Warning: the shared component has tried to push an engine command. Ignoring.");
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return;
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}
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CAIPlayer* self = static_cast<CAIPlayer*> (cbdata);
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self->m_Commands.push_back(self->m_ScriptInterface.WriteStructuredClone(cmd.get()));
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}
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// The next two ought to be implmeneted someday but for now as it returns "null" it can't
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static void DumpHeap(void* cbdata)
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{
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if (cbdata == NULL) {
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debug_warn(L"Warning: the shared component has asked for DumpHeap. Ignoring.");
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return;
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}
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CAIWorker* self = static_cast<CAIWorker*> (cbdata);
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self->m_ScriptInterface.DumpHeap();
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}
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static void ForceGC(void* cbdata)
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{
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if (cbdata == NULL) {
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debug_warn(L"Warning: the shared component has asked for ForceGC. Ignoring.");
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return;
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}
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CAIWorker* self = static_cast<CAIWorker*> (cbdata);
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PROFILE3("AI compute GC");
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JS_GC(self->m_ScriptInterface.GetContext());
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}
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/**
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* Debug function for AI scripts to dump 2D array data (e.g. terrain tile weights).
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*/
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static void DumpImage(void* UNUSED(cbdata), std::wstring name, std::vector<u32> data, u32 w, u32 h, u32 max)
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{
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// TODO: this is totally not threadsafe.
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VfsPath filename = L"screenshots/aidump/" + name;
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if (data.size() != w*h)
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{
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debug_warn(L"DumpImage: data size doesn't match w*h");
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return;
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}
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if (max == 0)
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{
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debug_warn(L"DumpImage: max must not be 0");
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return;
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}
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const size_t bpp = 8;
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int flags = TEX_BOTTOM_UP|TEX_GREY;
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const size_t img_size = w * h * bpp/8;
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const size_t hdr_size = tex_hdr_size(filename);
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shared_ptr<u8> buf;
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AllocateAligned(buf, hdr_size+img_size, maxSectorSize);
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Tex t;
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if (tex_wrap(w, h, bpp, flags, buf, hdr_size, &t) < 0)
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return;
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u8* img = buf.get() + hdr_size;
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for (size_t i = 0; i < data.size(); ++i)
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img[i] = (u8)((data[i] * 255) / max);
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tex_write(&t, filename);
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tex_free(&t);
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}
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bool TryLoadSharedComponent(bool hasTechs)
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{
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// we don't need to load it.
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if (!m_HasSharedComponent)
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return false;
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// reset the value so it can be used to determine if we actually initialized it.
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m_HasSharedComponent = false;
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VfsPaths sharedPathnames;
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// Check for "shared" module.
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vfs::GetPathnames(g_VFS, L"simulation/ai/common-api-v3/", L"*.js", sharedPathnames);
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for (VfsPaths::iterator it = sharedPathnames.begin(); it != sharedPathnames.end(); ++it)
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{
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if (!m_ScriptInterface.LoadGlobalScriptFile(*it))
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{
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LOGERROR(L"Failed to load shared script %ls", it->string().c_str());
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return false;
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}
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m_HasSharedComponent = true;
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}
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if (!m_HasSharedComponent)
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return false;
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// mainly here for the error messages
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OsPath path = L"simulation/ai/common-api-v2/";
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// Constructor name is SharedScript
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CScriptVal ctor;
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if (!m_ScriptInterface.GetProperty(m_ScriptInterface.GetGlobalObject(), "SharedScript", ctor)
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|| ctor.undefined())
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{
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LOGERROR(L"Failed to create shared AI component: %ls: can't find constructor '%hs'", path.string().c_str(), "SharedScript");
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return false;
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}
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if (hasTechs)
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{
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// Set up the data to pass as the constructor argument
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CScriptVal settings;
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m_ScriptInterface.Eval(L"({})", settings);
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CScriptVal playersID;
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m_ScriptInterface.Eval(L"({})", playersID);
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for (size_t i = 0; i < m_Players.size(); ++i)
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{
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jsval val = m_ScriptInterface.ToJSVal(m_ScriptInterface.GetContext(), m_Players[i]->m_Player);
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m_ScriptInterface.SetPropertyInt(playersID.get(), i, CScriptVal(val), true);
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}
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m_ScriptInterface.SetProperty(settings.get(), "players", playersID);
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ENSURE(m_HasLoadedEntityTemplates);
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m_ScriptInterface.SetProperty(settings.get(), "templates", m_EntityTemplates, false);
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m_ScriptInterface.SetProperty(settings.get(), "techTemplates", m_TechTemplates, false);
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|
|
m_SharedAIObj = CScriptValRooted(m_ScriptInterface.GetContext(),m_ScriptInterface.CallConstructor(ctor.get(), settings.get()));
|
|
}
|
|
else
|
|
{
|
|
// won't get the tech templates directly.
|
|
// Set up the data to pass as the constructor argument
|
|
CScriptVal settings;
|
|
m_ScriptInterface.Eval(L"({})", settings);
|
|
CScriptVal playersID;
|
|
m_ScriptInterface.Eval(L"({})", playersID);
|
|
for (size_t i = 0; i < m_Players.size(); ++i)
|
|
{
|
|
jsval val = m_ScriptInterface.ToJSVal(m_ScriptInterface.GetContext(), m_Players[i]->m_Player);
|
|
m_ScriptInterface.SetPropertyInt(playersID.get(), i, CScriptVal(val), true);
|
|
}
|
|
|
|
m_ScriptInterface.SetProperty(settings.get(), "players", playersID);
|
|
|
|
CScriptVal m_fakeTech;
|
|
m_ScriptInterface.Eval("({})", m_fakeTech);
|
|
m_ScriptInterface.SetProperty(settings.get(), "techTemplates", m_fakeTech, false);
|
|
|
|
ENSURE(m_HasLoadedEntityTemplates);
|
|
m_ScriptInterface.SetProperty(settings.get(), "templates", m_EntityTemplates, false);
|
|
m_SharedAIObj = CScriptValRooted(m_ScriptInterface.GetContext(),m_ScriptInterface.CallConstructor(ctor.get(), settings.get()));
|
|
}
|
|
|
|
if (m_SharedAIObj.undefined())
|
|
{
|
|
LOGERROR(L"Failed to create shared AI component: %ls: error calling constructor '%hs'", path.string().c_str(), "SharedScript");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool AddPlayer(const std::wstring& aiName, player_id_t player, uint8_t difficulty, bool callConstructor)
|
|
{
|
|
shared_ptr<CAIPlayer> ai(new CAIPlayer(*this, aiName, player, difficulty, m_ScriptRuntime, m_RNG));
|
|
if (!ai->Initialise(callConstructor))
|
|
return false;
|
|
|
|
// this will be set to true if we need to load the shared Component.
|
|
if (!m_HasSharedComponent)
|
|
m_HasSharedComponent = ai->m_UseSharedComponent;
|
|
|
|
m_ScriptInterface.MaybeGC();
|
|
|
|
m_Players.push_back(ai);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool RunGamestateInit(const shared_ptr<ScriptInterface::StructuredClone>& gameState, const Grid<u16>& passabilityMap, const Grid<u8>& territoryMap)
|
|
{
|
|
// this will be run last by InitGame.Js, passing the full game representation.
|
|
// For now it will run for the shared Component.
|
|
// This is NOT run during deserialization.
|
|
CScriptVal state = m_ScriptInterface.ReadStructuredClone(gameState);
|
|
JSContext* cx = m_ScriptInterface.GetContext();
|
|
|
|
m_PassabilityMapVal = CScriptValRooted(cx, ScriptInterface::ToJSVal(cx, passabilityMap));
|
|
m_TerritoryMapVal = CScriptValRooted(cx, ScriptInterface::ToJSVal(cx, territoryMap));
|
|
if (m_HasSharedComponent)
|
|
{
|
|
m_ScriptInterface.SetProperty(state.get(), "passabilityMap", m_PassabilityMapVal, true);
|
|
m_ScriptInterface.SetProperty(state.get(), "territoryMap", m_TerritoryMapVal, true);
|
|
|
|
m_ScriptInterface.CallFunctionVoid(m_SharedAIObj.get(), "initWithState", state);
|
|
m_ScriptInterface.MaybeGC();
|
|
|
|
for (size_t i = 0; i < m_Players.size(); ++i)
|
|
{
|
|
if (m_HasSharedComponent && m_Players[i]->m_UseSharedComponent)
|
|
m_Players[i]->InitWithSharedScript(state,m_SharedAIObj);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
void StartComputation(const shared_ptr<ScriptInterface::StructuredClone>& gameState, const Grid<u16>& passabilityMap, const Grid<u8>& territoryMap, bool territoryMapDirty)
|
|
{
|
|
ENSURE(m_CommandsComputed);
|
|
|
|
m_GameState = gameState;
|
|
|
|
if (passabilityMap.m_DirtyID != m_PassabilityMap.m_DirtyID)
|
|
{
|
|
m_PassabilityMap = passabilityMap;
|
|
|
|
JSContext* cx = m_ScriptInterface.GetContext();
|
|
m_PassabilityMapVal = CScriptValRooted(cx, ScriptInterface::ToJSVal(cx, m_PassabilityMap));
|
|
}
|
|
|
|
if (territoryMapDirty)
|
|
{
|
|
m_TerritoryMap = territoryMap;
|
|
|
|
JSContext* cx = m_ScriptInterface.GetContext();
|
|
m_TerritoryMapVal = CScriptValRooted(cx, ScriptInterface::ToJSVal(cx, m_TerritoryMap));
|
|
}
|
|
|
|
m_CommandsComputed = false;
|
|
}
|
|
|
|
void WaitToFinishComputation()
|
|
{
|
|
if (!m_CommandsComputed)
|
|
{
|
|
PerformComputation();
|
|
m_CommandsComputed = true;
|
|
}
|
|
}
|
|
|
|
void GetCommands(std::vector<SCommandSets>& commands)
|
|
{
|
|
WaitToFinishComputation();
|
|
|
|
commands.clear();
|
|
commands.resize(m_Players.size());
|
|
for (size_t i = 0; i < m_Players.size(); ++i)
|
|
{
|
|
commands[i].player = m_Players[i]->m_Player;
|
|
commands[i].commands = m_Players[i]->m_Commands;
|
|
}
|
|
}
|
|
|
|
void RegisterTechTemplates(const shared_ptr<ScriptInterface::StructuredClone>& techTemplates) {
|
|
JSContext* cx = m_ScriptInterface.GetContext();
|
|
m_TechTemplates = CScriptValRooted(cx, m_ScriptInterface.ReadStructuredClone(techTemplates));
|
|
}
|
|
|
|
void LoadEntityTemplates(const std::vector<std::pair<std::string, const CParamNode*> >& templates)
|
|
{
|
|
m_HasLoadedEntityTemplates = true;
|
|
|
|
m_ScriptInterface.Eval("({})", m_EntityTemplates);
|
|
|
|
for (size_t i = 0; i < templates.size(); ++i)
|
|
{
|
|
jsval val = templates[i].second->ToJSVal(m_ScriptInterface.GetContext(), false);
|
|
m_ScriptInterface.SetProperty(m_EntityTemplates.get(), templates[i].first.c_str(), CScriptVal(val), true);
|
|
}
|
|
|
|
// Since the template data is shared between AI players, freeze it
|
|
// to stop any of them changing it and confusing the other players
|
|
m_ScriptInterface.FreezeObject(m_EntityTemplates.get(), true);
|
|
}
|
|
|
|
void Serialize(std::ostream& stream, bool isDebug)
|
|
{
|
|
WaitToFinishComputation();
|
|
|
|
if (isDebug)
|
|
{
|
|
CDebugSerializer serializer(m_ScriptInterface, stream);
|
|
serializer.Indent(4);
|
|
SerializeState(serializer);
|
|
}
|
|
else
|
|
{
|
|
CStdSerializer serializer(m_ScriptInterface, stream);
|
|
// TODO: see comment in Deserialize()
|
|
serializer.SetSerializablePrototypes(m_SerializablePrototypes);
|
|
SerializeState(serializer);
|
|
}
|
|
}
|
|
|
|
void SerializeState(ISerializer& serializer)
|
|
{
|
|
std::stringstream rngStream;
|
|
rngStream << m_RNG;
|
|
serializer.StringASCII("rng", rngStream.str(), 0, 32);
|
|
|
|
serializer.NumberU32_Unbounded("turn", m_TurnNum);
|
|
|
|
serializer.NumberU32_Unbounded("num ais", (u32)m_Players.size());
|
|
|
|
serializer.Bool("useSharedScript", m_HasSharedComponent);
|
|
if (m_HasSharedComponent)
|
|
{
|
|
CScriptVal sharedData;
|
|
if (!m_ScriptInterface.CallFunction(m_SharedAIObj.get(), "Serialize", sharedData))
|
|
LOGERROR(L"AI shared script Serialize call failed");
|
|
serializer.ScriptVal("sharedData", sharedData);
|
|
}
|
|
for (size_t i = 0; i < m_Players.size(); ++i)
|
|
{
|
|
serializer.String("name", m_Players[i]->m_AIName, 1, 256);
|
|
serializer.NumberI32_Unbounded("player", m_Players[i]->m_Player);
|
|
serializer.NumberU8_Unbounded("difficulty", m_Players[i]->m_Difficulty);
|
|
|
|
serializer.NumberU32_Unbounded("num commands", (u32)m_Players[i]->m_Commands.size());
|
|
for (size_t j = 0; j < m_Players[i]->m_Commands.size(); ++j)
|
|
{
|
|
CScriptVal val = m_ScriptInterface.ReadStructuredClone(m_Players[i]->m_Commands[j]);
|
|
serializer.ScriptVal("command", val);
|
|
}
|
|
|
|
bool hasCustomSerialize = m_ScriptInterface.HasProperty(m_Players[i]->m_Obj.get(), "Serialize");
|
|
if (hasCustomSerialize)
|
|
{
|
|
CScriptVal scriptData;
|
|
if (!m_ScriptInterface.CallFunction(m_Players[i]->m_Obj.get(), "Serialize", scriptData))
|
|
LOGERROR(L"AI script Serialize call failed");
|
|
serializer.ScriptVal("data", scriptData);
|
|
}
|
|
else
|
|
{
|
|
serializer.ScriptVal("data", m_Players[i]->m_Obj.get());
|
|
}
|
|
}
|
|
}
|
|
|
|
void Deserialize(std::istream& stream)
|
|
{
|
|
ENSURE(m_CommandsComputed); // deserializing while we're still actively computing would be bad
|
|
|
|
CStdDeserializer deserializer(m_ScriptInterface, stream);
|
|
|
|
m_PlayerMetadata.clear();
|
|
m_Players.clear();
|
|
|
|
std::string rngString;
|
|
std::stringstream rngStream;
|
|
deserializer.StringASCII("rng", rngString, 0, 32);
|
|
rngStream << rngString;
|
|
rngStream >> m_RNG;
|
|
|
|
deserializer.NumberU32_Unbounded("turn", m_TurnNum);
|
|
|
|
uint32_t numAis;
|
|
deserializer.NumberU32_Unbounded("num ais", numAis);
|
|
|
|
deserializer.Bool("useSharedScript", m_HasSharedComponent);
|
|
TryLoadSharedComponent(false);
|
|
if (m_HasSharedComponent)
|
|
{
|
|
CScriptVal sharedData;
|
|
deserializer.ScriptVal("sharedData", sharedData);
|
|
if (!m_ScriptInterface.CallFunctionVoid(m_SharedAIObj.get(), "Deserialize", sharedData))
|
|
LOGERROR(L"AI shared script Deserialize call failed");
|
|
}
|
|
|
|
for (size_t i = 0; i < numAis; ++i)
|
|
{
|
|
std::wstring name;
|
|
player_id_t player;
|
|
uint8_t difficulty;
|
|
deserializer.String("name", name, 1, 256);
|
|
deserializer.NumberI32_Unbounded("player", player);
|
|
deserializer.NumberU8_Unbounded("difficulty",difficulty);
|
|
if (!AddPlayer(name, player, difficulty, true))
|
|
throw PSERROR_Deserialize_ScriptError();
|
|
|
|
uint32_t numCommands;
|
|
deserializer.NumberU32_Unbounded("num commands", numCommands);
|
|
m_Players.back()->m_Commands.reserve(numCommands);
|
|
for (size_t j = 0; j < numCommands; ++j)
|
|
{
|
|
CScriptVal val;
|
|
deserializer.ScriptVal("command", val);
|
|
m_Players.back()->m_Commands.push_back(m_ScriptInterface.WriteStructuredClone(val.get()));
|
|
}
|
|
|
|
// TODO: this is yucky but necessary while the AIs are sharing data between contexts;
|
|
// ideally a new (de)serializer instance would be created for each player
|
|
// so they would have a single, consistent script context to use and serializable
|
|
// prototypes could be stored in their ScriptInterface
|
|
deserializer.SetSerializablePrototypes(m_DeserializablePrototypes);
|
|
|
|
bool hasCustomDeserialize = m_ScriptInterface.HasProperty(m_Players.back()->m_Obj.get(), "Deserialize");
|
|
if (hasCustomDeserialize)
|
|
{
|
|
CScriptVal scriptData;
|
|
deserializer.ScriptVal("data", scriptData);
|
|
if (m_Players[i]->m_UseSharedComponent)
|
|
{
|
|
if (!m_ScriptInterface.CallFunctionVoid(m_Players.back()->m_Obj.get(), "Deserialize", scriptData, m_SharedAIObj))
|
|
LOGERROR(L"AI script Deserialize call failed");
|
|
}
|
|
else if (!m_ScriptInterface.CallFunctionVoid(m_Players.back()->m_Obj.get(), "Deserialize", scriptData))
|
|
{
|
|
LOGERROR(L"AI script deserialize() call failed");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
deserializer.ScriptVal("data", m_Players.back()->m_Obj);
|
|
}
|
|
}
|
|
}
|
|
|
|
int getPlayerSize()
|
|
{
|
|
return m_Players.size();
|
|
}
|
|
|
|
void RegisterSerializablePrototype(std::wstring name, CScriptVal proto)
|
|
{
|
|
// Require unique prototype and name (for reverse lookup)
|
|
// TODO: this is yucky - see comment in Deserialize()
|
|
JSObject* obj = JSVAL_TO_OBJECT(proto.get());
|
|
std::pair<std::map<JSObject*, std::wstring>::iterator, bool> ret1 = m_SerializablePrototypes.insert(std::make_pair(obj, name));
|
|
std::pair<std::map<std::wstring, JSObject*>::iterator, bool> ret2 = m_DeserializablePrototypes.insert(std::make_pair(name, obj));
|
|
if (!ret1.second || !ret2.second)
|
|
LOGERROR(L"RegisterSerializablePrototype called with same prototype multiple times: p=%p n='%ls'", obj, name.c_str());
|
|
}
|
|
|
|
private:
|
|
CScriptValRooted LoadMetadata(const VfsPath& path)
|
|
{
|
|
if (m_PlayerMetadata.find(path) == m_PlayerMetadata.end())
|
|
{
|
|
// Load and cache the AI player metadata
|
|
m_PlayerMetadata[path] = m_ScriptInterface.ReadJSONFile(path);
|
|
}
|
|
|
|
return m_PlayerMetadata[path];
|
|
}
|
|
|
|
void PerformComputation()
|
|
{
|
|
if (m_Players.size() == 0)
|
|
{
|
|
// Run the GC every so often.
|
|
// (This isn't particularly necessary, but it makes profiling clearer
|
|
// since it avoids random GC delays while running other scripts)
|
|
if (m_TurnNum++ % 50 == 0)
|
|
{
|
|
PROFILE3("AI compute GC");
|
|
m_ScriptInterface.MaybeGC();
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Deserialize the game state, to pass to the AI's HandleMessage
|
|
CScriptVal state;
|
|
{
|
|
PROFILE3("AI compute read state");
|
|
state = m_ScriptInterface.ReadStructuredClone(m_GameState);
|
|
m_ScriptInterface.SetProperty(state.get(), "passabilityMap", m_PassabilityMapVal, true);
|
|
m_ScriptInterface.SetProperty(state.get(), "territoryMap", m_TerritoryMapVal, true);
|
|
}
|
|
|
|
// It would be nice to do
|
|
// m_ScriptInterface.FreezeObject(state.get(), true);
|
|
// to prevent AI scripts accidentally modifying the state and
|
|
// affecting other AI scripts they share it with. But the performance
|
|
// cost is far too high, so we won't do that.
|
|
// If there is a shared component, run it
|
|
|
|
if (m_HasSharedComponent)
|
|
{
|
|
PROFILE3("AI run shared component");
|
|
m_ScriptInterface.CallFunctionVoid(m_SharedAIObj.get(), "onUpdate", state);
|
|
}
|
|
|
|
for (size_t i = 0; i < m_Players.size(); ++i)
|
|
{
|
|
PROFILE3("AI script");
|
|
PROFILE2_ATTR("player: %d", m_Players[i]->m_Player);
|
|
PROFILE2_ATTR("script: %ls", m_Players[i]->m_AIName.c_str());
|
|
if (m_HasSharedComponent && m_Players[i]->m_UseSharedComponent)
|
|
m_Players[i]->Run(state,m_SharedAIObj);
|
|
else
|
|
m_Players[i]->Run(state);
|
|
}
|
|
|
|
// Run GC if we are about to overflow
|
|
if (JS_GetGCParameter(m_ScriptInterface.GetRuntime(), JSGC_BYTES) > 33000000)
|
|
{
|
|
PROFILE3("AI compute GC");
|
|
|
|
JS_GC(m_ScriptInterface.GetContext());
|
|
}
|
|
|
|
// Run the GC every so often.
|
|
// (This isn't particularly necessary, but it makes profiling clearer
|
|
// since it avoids random GC delays while running other scripts)
|
|
/*if (m_TurnNum++ % 20 == 0)
|
|
{
|
|
PROFILE3("AI compute GC");
|
|
m_ScriptInterface.MaybeGC();
|
|
}*/
|
|
}
|
|
|
|
shared_ptr<ScriptRuntime> m_ScriptRuntime;
|
|
ScriptInterface m_ScriptInterface;
|
|
boost::rand48 m_RNG;
|
|
u32 m_TurnNum;
|
|
|
|
CScriptValRooted m_EntityTemplates;
|
|
bool m_HasLoadedEntityTemplates;
|
|
CScriptValRooted m_TechTemplates;
|
|
|
|
std::map<VfsPath, CScriptValRooted> m_PlayerMetadata;
|
|
std::vector<shared_ptr<CAIPlayer> > m_Players; // use shared_ptr just to avoid copying
|
|
|
|
bool m_HasSharedComponent;
|
|
CScriptValRooted m_SharedAIObj;
|
|
std::vector<SCommandSets> m_Commands;
|
|
|
|
shared_ptr<ScriptInterface::StructuredClone> m_GameState;
|
|
Grid<u16> m_PassabilityMap;
|
|
CScriptValRooted m_PassabilityMapVal;
|
|
Grid<u8> m_TerritoryMap;
|
|
CScriptValRooted m_TerritoryMapVal;
|
|
|
|
bool m_CommandsComputed;
|
|
|
|
std::map<JSObject*, std::wstring> m_SerializablePrototypes;
|
|
std::map<std::wstring, JSObject*> m_DeserializablePrototypes;
|
|
};
|
|
|
|
|
|
/**
|
|
* Implementation of ICmpAIManager.
|
|
*/
|
|
class CCmpAIManager : public ICmpAIManager
|
|
{
|
|
public:
|
|
static void ClassInit(CComponentManager& componentManager)
|
|
{
|
|
componentManager.SubscribeToMessageType(MT_ProgressiveLoad);
|
|
}
|
|
|
|
DEFAULT_COMPONENT_ALLOCATOR(AIManager)
|
|
|
|
static std::string GetSchema()
|
|
{
|
|
return "<a:component type='system'/><empty/>";
|
|
}
|
|
|
|
virtual void Init(const CParamNode& UNUSED(paramNode))
|
|
{
|
|
m_TerritoriesDirtyID = 0;
|
|
|
|
StartLoadEntityTemplates();
|
|
}
|
|
|
|
virtual void Deinit()
|
|
{
|
|
}
|
|
|
|
virtual void Serialize(ISerializer& serialize)
|
|
{
|
|
// Because the AI worker uses its own ScriptInterface, we can't use the
|
|
// ISerializer (which was initialised with the simulation ScriptInterface)
|
|
// directly. So we'll just grab the ISerializer's stream and write to it
|
|
// with an independent serializer.
|
|
|
|
m_Worker.Serialize(serialize.GetStream(), serialize.IsDebug());
|
|
}
|
|
|
|
virtual void Deserialize(const CParamNode& paramNode, IDeserializer& deserialize)
|
|
{
|
|
Init(paramNode);
|
|
|
|
ForceLoadEntityTemplates();
|
|
|
|
m_Worker.Deserialize(deserialize.GetStream());
|
|
}
|
|
|
|
virtual void HandleMessage(const CMessage& msg, bool UNUSED(global))
|
|
{
|
|
switch (msg.GetType())
|
|
{
|
|
case MT_ProgressiveLoad:
|
|
{
|
|
const CMessageProgressiveLoad& msgData = static_cast<const CMessageProgressiveLoad&> (msg);
|
|
|
|
*msgData.total += (int)m_TemplateNames.size();
|
|
|
|
if (*msgData.progressed)
|
|
break;
|
|
|
|
if (ContinueLoadEntityTemplates())
|
|
*msgData.progressed = true;
|
|
|
|
*msgData.progress += (int)m_TemplateLoadedIdx;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
virtual void AddPlayer(std::wstring id, player_id_t player, uint8_t difficulty)
|
|
{
|
|
m_Worker.AddPlayer(id, player, difficulty, true);
|
|
|
|
// AI players can cheat and see through FoW/SoD, since that greatly simplifies
|
|
// their implementation.
|
|
// (TODO: maybe cleverer AIs should be able to optionally retain FoW/SoD)
|
|
CmpPtr<ICmpRangeManager> cmpRangeManager(GetSimContext(), SYSTEM_ENTITY);
|
|
if (cmpRangeManager)
|
|
cmpRangeManager->SetLosRevealAll(player, true);
|
|
}
|
|
|
|
virtual void TryLoadSharedComponent()
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{
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ScriptInterface& scriptInterface = GetSimContext().GetScriptInterface();
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// load the technology templates
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CmpPtr<ICmpTechnologyTemplateManager> cmpTechTemplateManager(GetSimContext(), SYSTEM_ENTITY);
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ENSURE(cmpTechTemplateManager);
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// Get the game state from AIInterface
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CScriptVal techTemplates = cmpTechTemplateManager->GetAllTechs();
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m_Worker.RegisterTechTemplates(scriptInterface.WriteStructuredClone(techTemplates.get()));
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m_Worker.TryLoadSharedComponent(true);
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}
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virtual void RunGamestateInit()
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{
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ScriptInterface& scriptInterface = GetSimContext().GetScriptInterface();
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CmpPtr<ICmpAIInterface> cmpAIInterface(GetSimContext(), SYSTEM_ENTITY);
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ENSURE(cmpAIInterface);
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// Get the game state from AIInterface
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CScriptVal state = cmpAIInterface->GetFullRepresentation();
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// Get the passability data
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Grid<u16> dummyGrid;
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const Grid<u16>* passabilityMap = &dummyGrid;
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CmpPtr<ICmpPathfinder> cmpPathfinder(GetSimContext(), SYSTEM_ENTITY);
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if (cmpPathfinder)
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passabilityMap = &cmpPathfinder->GetPassabilityGrid();
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// Get the territory data
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// Since getting the territory grid can trigger a recalculation, we check NeedUpdate first
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Grid<u8> dummyGrid2;
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const Grid<u8>* territoryMap = &dummyGrid2;
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CmpPtr<ICmpTerritoryManager> cmpTerritoryManager(GetSimContext(), SYSTEM_ENTITY);
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if (cmpTerritoryManager && cmpTerritoryManager->NeedUpdate(&m_TerritoriesDirtyID))
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{
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territoryMap = &cmpTerritoryManager->GetTerritoryGrid();
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}
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LoadPathfinderClasses(state);
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m_Worker.RunGamestateInit(scriptInterface.WriteStructuredClone(state.get()), *passabilityMap, *territoryMap);
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}
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virtual void StartComputation()
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{
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PROFILE("AI setup");
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ForceLoadEntityTemplates();
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ScriptInterface& scriptInterface = GetSimContext().GetScriptInterface();
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if (m_Worker.getPlayerSize() == 0)
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return;
|
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CmpPtr<ICmpAIInterface> cmpAIInterface(GetSimContext(), SYSTEM_ENTITY);
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ENSURE(cmpAIInterface);
|
|
|
|
// Get the game state from AIInterface
|
|
CScriptVal state = cmpAIInterface->GetRepresentation();
|
|
|
|
// Get the passability data
|
|
Grid<u16> dummyGrid;
|
|
const Grid<u16>* passabilityMap = &dummyGrid;
|
|
CmpPtr<ICmpPathfinder> cmpPathfinder(GetSimContext(), SYSTEM_ENTITY);
|
|
if (cmpPathfinder)
|
|
passabilityMap = &cmpPathfinder->GetPassabilityGrid();
|
|
|
|
// Get the territory data
|
|
// Since getting the territory grid can trigger a recalculation, we check NeedUpdate first
|
|
bool territoryMapDirty = false;
|
|
Grid<u8> dummyGrid2;
|
|
const Grid<u8>* territoryMap = &dummyGrid2;
|
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CmpPtr<ICmpTerritoryManager> cmpTerritoryManager(GetSimContext(), SYSTEM_ENTITY);
|
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if (cmpTerritoryManager && cmpTerritoryManager->NeedUpdate(&m_TerritoriesDirtyID))
|
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{
|
|
territoryMap = &cmpTerritoryManager->GetTerritoryGrid();
|
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territoryMapDirty = true;
|
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}
|
|
|
|
LoadPathfinderClasses(state);
|
|
|
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m_Worker.StartComputation(scriptInterface.WriteStructuredClone(state.get()), *passabilityMap, *territoryMap, territoryMapDirty);
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}
|
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|
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virtual void PushCommands()
|
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{
|
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ScriptInterface& scriptInterface = GetSimContext().GetScriptInterface();
|
|
|
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std::vector<CAIWorker::SCommandSets> commands;
|
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m_Worker.GetCommands(commands);
|
|
|
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CmpPtr<ICmpCommandQueue> cmpCommandQueue(GetSimContext(), SYSTEM_ENTITY);
|
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if (!cmpCommandQueue)
|
|
return;
|
|
|
|
for (size_t i = 0; i < commands.size(); ++i)
|
|
{
|
|
for (size_t j = 0; j < commands[i].commands.size(); ++j)
|
|
{
|
|
cmpCommandQueue->PushLocalCommand(commands[i].player,
|
|
scriptInterface.ReadStructuredClone(commands[i].commands[j]));
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::vector<std::string> m_TemplateNames;
|
|
size_t m_TemplateLoadedIdx;
|
|
std::vector<std::pair<std::string, const CParamNode*> > m_Templates;
|
|
size_t m_TerritoriesDirtyID;
|
|
|
|
void StartLoadEntityTemplates()
|
|
{
|
|
CmpPtr<ICmpTemplateManager> cmpTemplateManager(GetSimContext(), SYSTEM_ENTITY);
|
|
ENSURE(cmpTemplateManager);
|
|
|
|
m_TemplateNames = cmpTemplateManager->FindAllTemplates(false);
|
|
m_TemplateLoadedIdx = 0;
|
|
m_Templates.reserve(m_TemplateNames.size());
|
|
}
|
|
|
|
// Tries to load the next entity template. Returns true if we did some work.
|
|
bool ContinueLoadEntityTemplates()
|
|
{
|
|
if (m_TemplateLoadedIdx >= m_TemplateNames.size())
|
|
return false;
|
|
|
|
CmpPtr<ICmpTemplateManager> cmpTemplateManager(GetSimContext(), SYSTEM_ENTITY);
|
|
ENSURE(cmpTemplateManager);
|
|
|
|
const CParamNode* node = cmpTemplateManager->GetTemplateWithoutValidation(m_TemplateNames[m_TemplateLoadedIdx]);
|
|
if (node)
|
|
m_Templates.push_back(std::make_pair(m_TemplateNames[m_TemplateLoadedIdx], node));
|
|
|
|
m_TemplateLoadedIdx++;
|
|
|
|
// If this was the last template, send the data to the worker
|
|
if (m_TemplateLoadedIdx == m_TemplateNames.size())
|
|
m_Worker.LoadEntityTemplates(m_Templates);
|
|
|
|
return true;
|
|
}
|
|
|
|
void ForceLoadEntityTemplates()
|
|
{
|
|
while (ContinueLoadEntityTemplates())
|
|
{
|
|
}
|
|
}
|
|
|
|
void LoadPathfinderClasses(CScriptVal state)
|
|
{
|
|
CmpPtr<ICmpPathfinder> cmpPathfinder(GetSimContext(), SYSTEM_ENTITY);
|
|
if (!cmpPathfinder)
|
|
return;
|
|
|
|
ScriptInterface& scriptInterface = GetSimContext().GetScriptInterface();
|
|
|
|
CScriptVal classesVal;
|
|
scriptInterface.Eval("({ pathfinderObstruction: 1, foundationObstruction: 2 })", classesVal);
|
|
|
|
std::map<std::string, ICmpPathfinder::pass_class_t> classes = cmpPathfinder->GetPassabilityClasses();
|
|
for (std::map<std::string, ICmpPathfinder::pass_class_t>::iterator it = classes.begin(); it != classes.end(); ++it)
|
|
scriptInterface.SetProperty(classesVal.get(), it->first.c_str(), it->second, true);
|
|
|
|
scriptInterface.SetProperty(state.get(), "passabilityClasses", classesVal, true);
|
|
}
|
|
|
|
CAIWorker m_Worker;
|
|
};
|
|
|
|
REGISTER_COMPONENT_TYPE(AIManager)
|