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