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Diffstat (limited to 'engines/neverhood/entity.cpp')
| -rw-r--r-- | engines/neverhood/entity.cpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/engines/neverhood/entity.cpp b/engines/neverhood/entity.cpp new file mode 100644 index 0000000000..e837225998 --- /dev/null +++ b/engines/neverhood/entity.cpp @@ -0,0 +1,115 @@ +/* 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 2 + * 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include "neverhood/entity.h" + +namespace Neverhood { + +uint32 MessageParam::asInteger() const { + assert(_type == mptInteger); + return _integer; +} + +NPoint MessageParam::asPoint() const { + assert(_type == mptInteger || _type == mptPoint); + if (_type == mptInteger) { + NPoint pt; + pt.x = _integer & 0xFFFF; + pt.y = (_integer >> 16) & 0xFFFF; + return pt; + } + return _point; +} + +Entity *MessageParam::asEntity() const { + assert(_type == mptEntity); + return _entity; +} + +// TODO: Disable heavy debug stuff in release mode + +#define SetUpdateHandler(handler) _updateHandlerCb = static_cast <void (Entity::*)(void)> (handler); debug(2, "SetUpdateHandler(" #handler ")"); _updateHandlerCbName = #handler +#define SetMessageHandler(handler) _messageHandlerCb = static_cast <uint32 (Entity::*)(int messageNum, const MessageParam ¶m, Entity *sender)> (handler); debug(2, "SetMessageHandler(" #handler ")"); _messageHandlerCbName = #handler + +Entity::Entity(NeverhoodEngine *vm, int priority) + : _vm(vm), _updateHandlerCb(NULL), _messageHandlerCb(NULL), _priority(priority), _name("Entity") { +} + +Entity::~Entity() { +} + +void Entity::draw() { +} + +void Entity::handleUpdate() { + //debug("Entity(%s).handleUpdate", _name.c_str()); + debug(2, "handleUpdate() -> [%s]", _updateHandlerCbName.c_str()); + if (_updateHandlerCb) + (this->*_updateHandlerCb)(); +} + +uint32 Entity::receiveMessage(int messageNum, const MessageParam ¶m, Entity *sender) { + debug(2, "receiveMessage(%04X) -> [%s]", messageNum, _messageHandlerCbName.c_str()); + return _messageHandlerCb ? (this->*_messageHandlerCb)(messageNum, param, sender) : 0; +} + +uint32 Entity::sendMessage(Entity *receiver, int messageNum, const MessageParam ¶m) { + return receiver ? receiver->receiveMessage(messageNum, param, this) : 0; +} + +uint32 Entity::sendMessage(Entity *receiver, int messageNum, uint32 param) { + return sendMessage(receiver, messageNum, MessageParam(param)); +} + +uint32 Entity::sendPointMessage(Entity *receiver, int messageNum, const NPoint ¶m) { + return sendMessage(receiver, messageNum, MessageParam(param)); +} + +uint32 Entity::sendEntityMessage(Entity *receiver, int messageNum, Entity *param) { + return sendMessage(receiver, messageNum, MessageParam((Entity*)param)); +} + +uint32 Entity::getGlobalVar(uint32 nameHash) { + return _vm->_gameVars->getGlobalVar(nameHash); +} + +void Entity::setGlobalVar(uint32 nameHash, uint32 value) { + _vm->_gameVars->setGlobalVar(nameHash, value); +} + +uint32 Entity::getSubVar(uint32 nameHash, uint32 subNameHash) { + return _vm->_gameVars->getSubVar(nameHash, subNameHash); +} + +void Entity::setSubVar(uint32 nameHash, uint32 subNameHash, uint32 value) { + _vm->_gameVars->setSubVar(nameHash, subNameHash, value); +} + +void Entity::incGlobalVar(uint32 nameHash, int incrValue) { + setGlobalVar(nameHash, getGlobalVar(nameHash) + incrValue); +} + +void Entity::incSubVar(uint32 nameHash, uint32 subNameHash, int incrValue) { + setSubVar(nameHash, subNameHash, getSubVar(nameHash, subNameHash) + incrValue); +} + +} // End of namespace Neverhood |