mirror of
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136 lines
3.8 KiB
C++
136 lines
3.8 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "ags/lib/std/memory.h"
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#include "ags/engine/ac/dynobj/script_user_object.h"
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namespace AGS3 {
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// return the type name of the object
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const char *ScriptUserObject::GetType() {
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return "UserObject";
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}
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ScriptUserObject::ScriptUserObject()
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: _size(0)
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, _data(nullptr) {
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}
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ScriptUserObject::~ScriptUserObject() {
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delete[] _data;
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}
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/* static */ ScriptUserObject *ScriptUserObject::CreateManaged(size_t size) {
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ScriptUserObject *suo = new ScriptUserObject();
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suo->Create(nullptr, size);
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ccRegisterManagedObject(suo, suo);
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return suo;
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}
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void ScriptUserObject::Create(const char *data, size_t size) {
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delete[] _data;
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_data = nullptr;
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_size = size;
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if (_size > 0) {
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_data = new char[size];
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if (data)
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memcpy(_data, data, _size);
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else
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memset(_data, 0, _size);
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}
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}
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int ScriptUserObject::Dispose(const char *address, bool force) {
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delete this;
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return 1;
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}
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int ScriptUserObject::Serialize(const char *address, char *buffer, int bufsize) {
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if (_size > bufsize)
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// buffer not big enough, ask for a bigger one
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return -_size;
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memcpy(buffer, _data, _size);
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return _size;
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}
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void ScriptUserObject::Unserialize(int index, const char *serializedData, int dataSize) {
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Create(serializedData, dataSize);
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ccRegisterUnserializedObject(index, this, this);
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}
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const char *ScriptUserObject::GetFieldPtr(const char *address, intptr_t offset) {
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return _data + offset;
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}
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void ScriptUserObject::Read(const char *address, intptr_t offset, void *dest, int size) {
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memcpy(dest, _data + offset, size);
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}
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uint8_t ScriptUserObject::ReadInt8(const char *address, intptr_t offset) {
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return *(uint8_t *)(_data + offset);
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}
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int16_t ScriptUserObject::ReadInt16(const char *address, intptr_t offset) {
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return *(int16_t *)(_data + offset);
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}
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int32_t ScriptUserObject::ReadInt32(const char *address, intptr_t offset) {
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return *(int32_t *)(_data + offset);
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}
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float ScriptUserObject::ReadFloat(const char *address, intptr_t offset) {
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return *(float *)(_data + offset);
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}
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void ScriptUserObject::Write(const char *address, intptr_t offset, void *src, int size) {
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memcpy((void *)(_data + offset), src, size);
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}
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void ScriptUserObject::WriteInt8(const char *address, intptr_t offset, uint8_t val) {
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*(uint8_t *)(_data + offset) = val;
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}
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void ScriptUserObject::WriteInt16(const char *address, intptr_t offset, int16_t val) {
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*(int16_t *)(_data + offset) = val;
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}
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void ScriptUserObject::WriteInt32(const char *address, intptr_t offset, int32_t val) {
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*(int32_t *)(_data + offset) = val;
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}
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void ScriptUserObject::WriteFloat(const char *address, intptr_t offset, float val) {
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*(float *)(_data + offset) = val;
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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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ScriptUserObject *suo = ScriptUserObject::CreateManaged(sizeof(int32_t) * 2);
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suo->WriteInt32((const char *)suo, 0, x);
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suo->WriteInt32((const char *)suo, sizeof(int32_t), y);
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return suo;
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}
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} // namespace AGS3
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