C++ World::GetObjectFromId方法代码示例

void Civilian::HandleHit(World & world, Uint8 x, Uint8 y, Object & projectile){
	Hittable::HandleHit(*this, world, x, y, projectile);
	if(projectile.healthdamage == 0){
		return;
	}
	if(state == DYINGFORWARD || state == DYINGBACKWARD || state == DEAD || state == DYINGEXPLODE){
		return;
	}
	float xpcnt = -((x - 50) / 50.0) * (mirrored ? -1 : 1);
	if(x < 50){
		state = DYINGFORWARD;
	}else{
		state = DYINGBACKWARD;
	}
	if((xpcnt < 0 && xv < 0) || (xpcnt > 0 && xv > 0)){
		xv = abs(xv) * xpcnt;
	}else{
		xv = speed * xpcnt;
	}
	switch(projectile.type){
		case ObjectTypes::BLASTERPROJECTILE:
		case ObjectTypes::LASERPROJECTILE:{
			if(rand() % 2 == 0){
				EmitSound(world, world.resources.soundbank["strike03.wav"], 96);
			}else{
				EmitSound(world, world.resources.soundbank["strike04.wav"], 96);
			}
		}break;
		case ObjectTypes::ROCKETPROJECTILE:{
			state = DYINGEXPLODE;
			draw = false;
			for(int i = 0; i < 6; i++){
				BodyPart * bodypart = (BodyPart *)world.CreateObject(ObjectTypes::BODYPART);
				if(bodypart){
					bodypart->suitcolor = suitcolor;
					bodypart->x = Civilian::x;
					bodypart->y = Civilian::y - 50;
					bodypart->type = i;
					bodypart->xv += (abs(xv) * 2) * xpcnt;
					if(i == 0){
						bodypart->xv = 0;
						bodypart->yv = -20;
					}
				}
			}
		}break;
	}
	Object * owner = world.GetObjectFromId(projectile.ownerid);
	if(owner && owner->type == ObjectTypes::PLAYER){
		Player * player = static_cast<Player *>(owner);
		Peer * peer = player->GetPeer(world);
		if(peer){
			peer->stats.civilianskilled++;
		}
	}
	state_i = 0;
}

void FlamerProjectile::Tick(World & world){
	for(int i = 0; i < plumecount; i++){
		if(!plumeids[i]){
			Plume * plume = (Plume *)world.CreateObject(ObjectTypes::PLUME);
			if(plume){
				plume->type = 4;
				plume->xv = (rand() % 17) - 8 + (xv * 8);
				plume->yv = (rand() % 17) - 8 + (yv * 8);
				plume->SetPosition(x + (xv * (i * 1)), y + (yv * (i * 1)));
				plumeids[i] = plume->id;
				plume->state_i = i;
				
			}
		}
	}
	Object * object = 0;
	Platform * platform = 0;
	if(TestCollision(*this, world, &platform, &object)){
		float xn = 0, yn = 0;
		if(platform){
			platform->GetNormal(x, y, &xn, &yn);
			for(int i = 0; i < plumecount; i++){
				Plume * plume = (Plume *)world.GetObjectFromId(plumeids[i]);
				if(plume){
					plume->xv /= 3;
					plume->yv /= 3;
					//world->MarkDestroyObject(plumeids[i]);
				}
			}
		}
		//world->MarkDestroyObject(id);
	}
	res_index = state_i;
	if(state_i >= 14){
		world.MarkDestroyObject(id);
	}
	state_i++;
}

//.........这里部分代码省略.........
				if(plume){
					plume->type = 4;
					/*plume->xv = (rand() % 17) - 8;
					plume->yv = (rand() % 17) - 8;
					plume->xv = (xn * abs(plume->xv)) + (rand() % 33) - 16;
					plume->yv = (yn * abs(plume->yv)) + (rand() % 33) - 16;*/
					float angle = (i / float(numplumes)) * (2 * 3.14);
					angle += anglen;
					plume->xv = (sin(angle)) * 15;
					plume->yv = (cos(angle)) * 15;
					if(xn || yn){
						plume->xv = (xn * abs(plume->xv)) + (rand() % 17) - 8;
						plume->yv = (yn * abs(plume->yv)) + (rand() % 17) - 8;
					}
					plume->SetPosition(x, y);
					
					Plume * plume2 = (Plume *)world.CreateObject(ObjectTypes::PLUME);
					if(plume2){
						plume2->type = 4;
						plume2->xv = plume->xv + (rand() % 7) - 3;
						plume2->yv = plume->yv + (rand() % 7) - 3;
						plume2->SetPosition(x, y);
					}
				}
			}
			std::vector<Uint8> types;
			types.push_back(ObjectTypes::PLAYER);
			types.push_back(ObjectTypes::GUARD);
			types.push_back(ObjectTypes::ROBOT);
			types.push_back(ObjectTypes::CIVILIAN);
			types.push_back(ObjectTypes::FIXEDCANNON);
			types.push_back(ObjectTypes::WALLDEFENSE);
			types.push_back(ObjectTypes::TECHSTATION);
			Object * owner = world.GetObjectFromId(ownerid);
			Uint16 teamid = 0;
			bool issecurity = false;
			if(owner){
				switch(owner->type){
					case ObjectTypes::PLAYER:{
						Player * player = static_cast<Player *>(owner);
						Team * team = player->GetTeam(world);
						if(team){
							teamid = team->id;
						}
					}break;
					case ObjectTypes::ROBOT:{
						Robot * robot = static_cast<Robot *>(owner);
						teamid = robot->virusplanter;
						issecurity = world.IsSecurity(*robot);
					}break;
					case ObjectTypes::GUARD:{
						issecurity = true;
					}break;
				}
			}
			std::vector<Object *> objects = world.TestAABB(x - 30, y - 30, x + 30, y + 30, types, ownerid, teamid);
			for(std::vector<Object *>::iterator it = objects.begin(); it != objects.end(); it++){
				if(!object || (object && (*it)->id != object->id)){
					if(!issecurity || (issecurity && !world.IsSecurity(*(*it)))){ // prevents robots/rocket guards from doing slash damage to other security
						Object damageprojectile(ObjectTypes::ROCKETPROJECTILE);
						damageprojectile.healthdamage = healthdamage;
						damageprojectile.shielddamage = shielddamage;
						damageprojectile.ownerid = ownerid;
						(*it)->HandleHit(world, 50, 50, damageprojectile);
					}
				}