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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\GameFactory\C2Template\EntitySelector.cpp
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#include "..\ScriptEditor.h"//include first

#include "EntitySelector.h"

#include "..\InputManager.h"
#include "..\GameScene.h"

#include "Soldier.h"
#include "Tank.h"

EntitySelector* EntitySelector::theSingleton = NULL;

EntitySelector::EntitySelector(){
	theSingleton = this;
}

EntitySelector::~EntitySelector(){
	mCurSelectedObjs.Clear();
	theSingleton = NULL;
}

void EntitySelector::deselectAll(){
	for (list<MyListElement*>::iterator iter = mCurSelectedObjs.GetPool().begin();
		iter!=mCurSelectedObjs.GetPool().end();iter++){
			SelectableObject* selObj = static_cast<SelectableObject*>(*iter);
		selObj->_SetSelected(false);
	}
	mCurSelectedObjs.Clear();
}

void EntitySelector::RemoveSelectableObject(SelectableObject* obj){
	mCurSelectedObjs.Remove(*obj);
}

void EntitySelector::FrameMove(Real elapsedTime, RMouse* mouse, RKeyboard* keyboard){
	static bool mouseLeftIsDown = false;
	static bool mouseRightIsDown = false;
	if (mouse->IsButtonDown(OIS::MouseButtonID::MB_Left)){
		if (!mouseLeftIsDown){ //this is a click
			Vec3 from, direction;
			GameScene::GetSingleton()->_GetRayCameraToViewport(Vec3(mouse->GetX(),mouse->GetY(),0.0f),from,direction);
			PhysicalEventHandler* object = GameScene::GetSingleton()->RayCastClosest(from,direction);
			SelectableObject* selectedObject = dynamic_cast<SelectableObject*>(object);
			if (selectedObject!=NULL){
				if (!keyboard->IsKeyDown(OIS::KeyCode::KC_LCONTROL))
					deselectAll();
				selectedObject->_SetSelected(!selectedObject->IsSelected());//toggle
				if (selectedObject->IsSelected()){
					mCurSelectedObjs.Put(*selectedObject);
				}else{
					RemoveSelectableObject(selectedObject);
				}
			}else{//deselect all
				if (!keyboard->IsKeyDown(OIS::KeyCode::KC_LCONTROL))
					deselectAll();
			}
		}
		mouseLeftIsDown = true;
	}else{
		mouseLeftIsDown = false;
	}
	if (mouse->IsButtonDown(OIS::MouseButtonID::MB_Right)){
		if (!mouseRightIsDown){//a click
			Vec3 from, direction;
			GameScene::GetSingleton()->_GetRayCameraToViewport(Vec3(mouse->GetX(),mouse->GetY(),0.0f),from,direction);
			Vec3 hitPos;
			PhysicalEventHandler* object = GameScene::GetSingleton()->RayCastClosest(from,direction,&hitPos);
			if (object!=NULL){//hit
				//dynamic_cast<Soldier*>(mCurrentSelectedObject)->MoveTo(hitPos);
				for (list<MyListElement*>::iterator iter = mCurSelectedObjs.GetPool().begin();
					iter!=mCurSelectedObjs.GetPool().end();iter++){
						SelectableObject* selObj = static_cast<SelectableObject*>(*iter);
						Soldier* soldier = dynamic_cast<Soldier*>(selObj);
						if (soldier!=NULL){
							soldier->MoveTo(hitPos);
						}else {
							dynamic_cast<Tank*>(selObj)->MoveTo(hitPos);
						}
				}
			}
		}
		mouseRightIsDown = true;
	}else{
		mouseRightIsDown = false;
	}

	static bool spaceDown = false;
	if (keyboard->IsKeyDown(OIS::KeyCode::KC_SPACE)){
		if (!spaceDown){
			for (list<MyListElement*>::iterator iter = mCurSelectedObjs.GetPool().begin();
				iter!=mCurSelectedObjs.GetPool().end();){
					bool advance = false;
					SelectableObject* selObj = static_cast<SelectableObject*>(*iter);
					Soldier* soldier = dynamic_cast<Soldier*>(selObj);
					if (soldier!=NULL) {
						iter++;
						advance = true;
						soldier->Die();
					}else{
						Tank* tank = dynamic_cast<Tank*>(selObj);
						if (tank!=NULL){
							//tank->Stop();
							iter++;
							advance = true;
							SAFE_DELETE(tank);
						}
					}
					if (!advance) iter++;
			}
			deselectAll();
			spaceDown = true;
		}
	}else{
		spaceDown = false;
	}
	static bool _1Down = false;
	if (keyboard->IsKeyDown(OIS::KeyCode::KC_1)){
		if (!_1Down){
			Vec3 from, direction;
			GameScene::GetSingleton()->_GetRayCameraToViewport(Vec3(mouse->GetX(),mouse->GetY(),0.0f),from,direction);
			Vec3 hitPos;
			PhysicalEventHandler* object = GameScene::GetSingleton()->RayCastClosest(from,direction,&hitPos);
			if (object!=NULL){//hit
				Soldier* soldier = new Soldier();
				soldier->SetPosition(hitPos+Vec3(0,0,1));
			}
			_1Down = true;
		}
	}else{
		_1Down = false;
	}
	static bool _2Down = false;
	if (keyboard->IsKeyDown(OIS::KeyCode::KC_2)){
		if (!_2Down){
			Vec3 from, direction;
			GameScene::GetSingleton()->_GetRayCameraToViewport(Vec3(mouse->GetX(),mouse->GetY(),0.0f),from,direction);
			Vec3 hitPos;
			PhysicalEventHandler* object = GameScene::GetSingleton()->RayCastClosest(from,direction,&hitPos);
			if (object!=NULL){//hit
				Tank* tank = new Tank();
				tank->SetPosition(hitPos+Vec3(0,0,1));
			}
			_2Down = true;
		}
	}else{
		_2Down = false;
	}
	static bool _CDown = false;
	if (keyboard->IsKeyDown(OIS::KeyCode::KC_C)){
		if (!_CDown){
			scriptEditor->Compile();
			_CDown = true;
		}
	}else{
		_CDown = false;
	}
}
EntitySelector.cpp
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