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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/std/memory.h"
#include "ags/shared/util/stream.h"
#include "ags/engine/ac/dynobj/script_user_object.h"
#include "ags/engine/ac/dynobj/dynobj_manager.h"
#include "ags/globals.h"
namespace AGS3 {
using namespace AGS::Shared;
const char *ScriptUserObject::TypeName = "UserObject";
// return the type name of the object
const char *ScriptUserObject::GetType() {
return TypeName;
}
/* static */ DynObjectRef ScriptUserObject::Create(size_t size) {
uint8_t *new_data = new uint8_t[size + MemHeaderSz];
memset(new_data, 0, size + MemHeaderSz);
Header &hdr = reinterpret_cast<Header &>(*new_data);
hdr.Size = size;
void *obj_ptr = &new_data[MemHeaderSz];
int32_t handle = ccRegisterManagedObject(obj_ptr, &_G(globalDynamicStruct));
if (handle == 0) {
delete[] new_data;
return DynObjectRef();
}
return DynObjectRef(handle, obj_ptr, &_G(globalDynamicStruct));
}
int ScriptUserObject::Dispose(void *address, bool /*force*/) {
delete[] (static_cast<uint8_t *>(address) - MemHeaderSz);
return 1;
}
size_t ScriptUserObject::CalcSerializeSize(const void *address) {
const Header &hdr = GetHeader(address);
return hdr.Size + FileHeaderSz;
}
void ScriptUserObject::Serialize(const void *address, AGS::Shared::Stream *out) {
const Header &hdr = GetHeader(address);
// NOTE: we only write the data, no header at the moment
out->Write(address, hdr.Size);
}
void ScriptUserObject::Unserialize(int index, Stream *in, size_t data_sz) {
uint8_t *new_data = new uint8_t[(data_sz - FileHeaderSz) + MemHeaderSz];
Header &hdr = reinterpret_cast<Header &>(*new_data);
hdr.Size = data_sz - FileHeaderSz;
in->Read(new_data + MemHeaderSz, data_sz - FileHeaderSz);
ccRegisterUnserializedObject(index, &new_data[MemHeaderSz], this);
}
// Allocates managed struct containing two ints: X and Y
ScriptUserObject *ScriptStructHelpers::CreatePoint(int x, int y) {
DynObjectRef ref = ScriptUserObject::Create(sizeof(int32_t) * 2);
ref.Mgr->WriteInt32(ref.Obj, 0, x);
ref.Mgr->WriteInt32(ref.Obj, sizeof(int32_t), y);
return static_cast<ScriptUserObject *>(ref.Obj);
}
} // namespace AGS3
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