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/* Copyright (C) 2021 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "JSInterface_Mod.h"
#include "ps/Mod.h"
#include "ps/Pyrogenesis.h"
#include "scriptinterface/FunctionWrapper.h"
#include "scriptinterface/JSON.h"
#include "scriptinterface/ScriptConversions.h"
extern void RestartEngine();
// To avoid copying data needlessly in GetEngineInfo, implement a ToJSVal for pointer types.
using ModDataCPtr = const Mod::ModData*;
template<>
void Script::ToJSVal(const ScriptRequest& rq, JS::MutableHandleValue ret, const ModDataCPtr& data)
{
ret.set(Script::CreateObject(rq));
Script::SetProperty(rq, ret, "mod", data->m_Pathname);
Script::SetProperty(rq, ret, "name", data->m_Name);
Script::SetProperty(rq, ret, "version", data->m_Version);
Script::SetProperty(rq, ret, "ignoreInCompatibilityChecks", data->m_IgnoreInCompatibilityChecks);
}
// Required by JSVAL_VECTOR, but can't be implemented.
template<>
bool Script::FromJSVal(const ScriptRequest &, const JS::HandleValue, ModDataCPtr&)
{
LOGERROR("Not implemented");
return false;
}
JSVAL_VECTOR(const Mod::ModData*);
// Implement FromJSVal as a non-pointer type.
template<>
void Script::ToJSVal(const ScriptRequest& rq, JS::MutableHandleValue ret, const Mod::ModData& data)
{
ret.set(Script::CreateObject(rq));
Script::SetProperty(rq, ret, "mod", data.m_Pathname);
Script::SetProperty(rq, ret, "name", data.m_Name);
Script::SetProperty(rq, ret, "version", data.m_Version);
Script::SetProperty(rq, ret, "ignoreInCompatibilityChecks", data.m_IgnoreInCompatibilityChecks);
}
template<>
bool Script::FromJSVal(const ScriptRequest& rq, const JS::HandleValue val, Mod::ModData& data)
{
// To avoid errors & for convenience, some retro-compatibility when reading
// TODO: remove this once we hit A26.
JS::RootedObject obj(rq.cx, val.toObjectOrNull());
bool isArray = false;
if (JS::IsArray(rq.cx, obj, &isArray) && isArray)
{
if (!Script::GetPropertyInt(rq, val, 0, data.m_Pathname))
return false;
if (!Script::GetPropertyInt(rq, val, 1, data.m_Version))
return false;
// Set a sane default for this.
data.m_Name = data.m_Pathname;
return true;
}
// This property is not set in mod.json files, so don't fail if it's not there.
if (Script::HasProperty(rq, val, "mod") && !Script::GetProperty(rq, val, "mod", data.m_Pathname))
return false;
if (!Script::GetProperty(rq, val, "version", data.m_Version))
return false;
if (!Script::GetProperty(rq, val, "name", data.m_Name))
return false;
// Optional - this makes the mod 'GUI-only'.
if (Script::HasProperty(rq, val, "ignoreInCompatibilityChecks"))
{
if (!Script::GetProperty(rq, val, "ignoreInCompatibilityChecks", data.m_IgnoreInCompatibilityChecks))
return false;
}
else
data.m_IgnoreInCompatibilityChecks = false;
return true;
}
JSVAL_VECTOR(Mod::ModData);
namespace JSI_Mod
{
Mod* ModGetter(const ScriptRequest&, JS::CallArgs&)
{
return &g_Mods;
}
JS::Value GetEngineInfo(const ScriptInterface& scriptInterface)
{
ScriptRequest rq(scriptInterface);
JS::RootedValue mods(rq.cx);
Script::ToJSVal(rq, &mods, g_Mods.GetEnabledModsData());
JS::RootedValue metainfo(rq.cx);
Script::CreateObject(
rq,
&metainfo,
"engine_version", engine_version,
"mods", mods);
Script::FreezeObject(rq, metainfo, true);
return metainfo;
}
JS::Value GetAvailableMods(const ScriptRequest& rq)
{
JS::RootedValue ret(rq.cx, Script::CreateObject(rq));
for (const Mod::ModData& data : g_Mods.GetAvailableMods())
{
JS::RootedValue json(rq.cx);
if (!Script::ParseJSON(rq, data.m_Text, &json))
{
ScriptException::Raise(rq, "Error parsing mod.json of '%s'", data.m_Pathname.c_str());
continue;
}
Script::SetProperty(rq, ret, data.m_Pathname.c_str(), json);
}
return ret.get();
}
bool AreModsPlayCompatible(const std::vector<Mod::ModData>& a, const std::vector<Mod::ModData>& b)
{
std::vector<const Mod::ModData*> modsA, modsB;
modsA.reserve(a.size());
for (const Mod::ModData& mod : a)
modsA.push_back(&mod);
modsB.reserve(b.size());
for (const Mod::ModData& mod : b)
modsB.push_back(&mod);
return Mod::AreModsPlayCompatible(modsA, modsB);
}
bool SetModsAndRestartEngine(const std::vector<CStr>& mods)
{
if (!g_Mods.EnableMods(mods, false))
return false;
RestartEngine();
return true;
}
bool HasIncompatibleMods()
{
return g_Mods.GetIncompatibleMods().size() > 0;
}
void RegisterScriptFunctions(const ScriptRequest& rq)
{
ScriptFunction::Register<GetEngineInfo>(rq, "GetEngineInfo");
ScriptFunction::Register<GetAvailableMods>(rq, "GetAvailableMods");
ScriptFunction::Register<&Mod::GetEnabledMods, ModGetter>(rq, "GetEnabledMods");
ScriptFunction::Register<AreModsPlayCompatible>(rq, "AreModsPlayCompatible");
ScriptFunction::Register<HasIncompatibleMods> (rq, "HasIncompatibleMods");
ScriptFunction::Register<&Mod::GetIncompatibleMods, ModGetter>(rq, "GetIncompatibleMods");
ScriptFunction::Register<&SetModsAndRestartEngine>(rq, "SetModsAndRestartEngine");
}
}
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