C++ GML_STDMUTEX_LOCK函數代碼示例

unsigned int CCategoryHandler::GetCategory(std::string name)
{
	StringTrimInPlace(name);
	StringToLowerInPlace(name);

	if (name.empty())
		return 0; // the empty category

	unsigned int cat = 0;
	
	GML_STDMUTEX_LOCK(cat); // GetCategory

	if (categories.find(name) == categories.end()) {
		// this category is yet unknown
		if (firstUnused >= CCategoryHandler::GetMaxCategories()) {
			// skip this category
			LOG_L(L_WARNING, "too many unit categories (%i), skipping %s",
					firstUnused, name.c_str());
			cat = 0;
		} else {
			// create the category (bit field value)
			cat = (1 << firstUnused);
			//LOG_L(L_DEBUG, "New unit-category %s #%i", name.c_str(), firstUnused);
		}
		// if (cat == 0), this will prevent further warnings for this category
		categories[name] = cat;
		firstUnused++;
	} else {
		// this category is already known
		cat = categories[name];
	}

	return cat;
}

void CAICallback::DrawUnit(const char* unitName, const float3& pos,
		float rotation, int lifetime, int teamId, bool transparent,
		bool drawBorder, int facing)
{
	CUnitDrawer::TempDrawUnit tdu;
	tdu.unitdef = unitDefHandler->GetUnitDefByName(unitName);
	if (!tdu.unitdef) {
		LOG_L(L_WARNING, "Unknown unit in CAICallback::DrawUnit %s", unitName);
		return;
	}
	tdu.pos = pos;
	tdu.rotation = rotation;
	tdu.team = teamId;
	tdu.drawBorder = drawBorder;
	tdu.facing = facing;
	std::pair<int, CUnitDrawer::TempDrawUnit> tp(gs->frameNum + lifetime, tdu);

	GML_STDMUTEX_LOCK(temp); // DrawUnit

	if (transparent) {
		unitDrawer->tempTransparentDrawUnits.insert(tp);
	} else {
		unitDrawer->tempDrawUnits.insert(tp);
	}
}

bool CInMapDrawModel::AddPoint(const float3& constPos, const std::string& label, int playerID)
{
	if (!playerHandler->IsValidPlayer(playerID)) {
		return false;
	}

	GML_STDMUTEX_LOCK(inmap); // LocalPoint

	// GotNetMsg() alreadys checks validity of playerID
	const CPlayer* sender = playerHandler->Player(playerID);
	const bool allowed = AllowedMsg(sender);

	float3 pos = constPos;
	pos.ClampInBounds();
	pos.y = ground->GetHeightAboveWater(pos.x, pos.z, false) + 2.0f;

	// event clients may process the point
	// if their owner is allowed to see it
	if (allowed && eventHandler.MapDrawCmd(playerID, MAPDRAW_POINT, &pos, NULL, &label)) {
		return false;
	}

	// let the engine handle it (disallowed
	// points added here are filtered while
	// rendering the quads)
	MapPoint point(sender->spectator, sender->team, sender, pos, label);

	const int quad = int(pos.z * QUAD_SCALE) * drawQuadsX +
	                 int(pos.x * QUAD_SCALE);
	drawQuads[quad].points.push_back(point);

	numPoints++;

	return true;
}

void CConsoleHistory::ResetPosition()
{
	GML_STDMUTEX_LOCK(hist); // ResetPosition

	pos = lines.end();
	return;
}

void CLogOutput::Output(const std::string& str)
{
	GML_STDMUTEX_LOCK(log); // Output

	std::string msg;

#if !defined UNITSYNC && !defined DEDICATED
	if (gs) {
		msg += IntToString(gs->frameNum, "[f=%07d] ");
	}
#endif

	msg += str;

	if (!initialized) {
		ToStderr(msg);
		preInitLog().push_back(msg);
		return;
	}

#ifdef _MSC_VER
	int index = strlen(str.c_str()) - 1;
	bool newline = ((index < 0) || (str[index] != '\n'));
	OutputDebugString(msg.c_str());
	if (newline) {
		OutputDebugString("\n");
	}
#endif // _MSC_VER

	ToFile(msg);
	ToStderr(msg);
}

void CInMapDraw::LocalLine(const float3& constPos1, const float3& constPos2,
                           int playerID)
{
	if (!playerHandler->IsValidPlayer(playerID))
		return;

	GML_STDMUTEX_LOCK(inmap); // LocalLine

	const CPlayer* sender = playerHandler->Player(playerID);

	float3 pos1 = constPos1;
	float3 pos2 = constPos2;
	pos1.CheckInBounds();
	pos2.CheckInBounds();
	pos1.y = ground->GetHeight(pos1.x, pos1.z) + 2.0f;
	pos2.y = ground->GetHeight(pos2.x, pos2.z) + 2.0f;

	if (AllowedMsg(sender) && eventHandler.MapDrawCmd(playerID, MAPDRAW_LINE, &pos1, &pos2, NULL)) {
		return;
	}

	MapLine line;
	line.pos  = pos1;
	line.pos2 = pos2;
	line.color = sender->spectator ? color4::white : teamHandler->Team(sender->team)->color;
	line.senderAllyTeam = teamHandler->AllyTeam(sender->team);
	line.senderSpectator = sender->spectator;

	const int quad = int(pos1.z * quadScale) * drawQuadsX +
	                 int(pos1.x * quadScale);
	drawQuads[quad].lines.push_back(line);
}

void EventBatchHandler::UpdateDrawUnits() {
    GML_STDMUTEX_LOCK(runit); // UpdateDrawUnits

    unitCreatedDestroyedEventBatch.execute();
    unitCloakStateChangedEventBatch.execute();
    unitLOSStateChangedEventBatch.execute();
}

void CUnitHandler::RemoveBuilderCAI(CBuilderCAI* b)
{
	GML_STDMUTEX_LOCK(cai); // RemoveBuilderCAI

	// called from ~CUnit --> owner is still valid
	assert(b->owner != NULL);
	builderCAIs.erase(b->owner->id);
}

/**
 * @brief Process the queue of pending fartexture creation requests.
 * This loops through the queue calling ReallyCreateFarTexture() on each entry,
 * and empties the queue afterwards.
 */
void CFartextureHandler::CreateFarTextures()
{
	GML_STDMUTEX_LOCK(tex); // CreateFarTextures
	for(std::vector<S3DModel*>::const_iterator it = pending.begin(); it != pending.end(); ++it) {
		ReallyCreateFarTexture(*it);
	}
	pending.clear();
}

void EventBatchHandler::UpdateObjects() {
	{ 
		GML_STDMUTEX_LOCK(runit); // UpdateObjects

		UpdateUnits();
	}
	{
		GML_STDMUTEX_LOCK(rfeat); // UpdateObjects

		UpdateFeatures();
	}
	{
		GML_STDMUTEX_LOCK(rproj); // UpdateObjects

		UpdateProjectiles();
	}
}

void CBasicTreeDrawer::Draw(float treeDistance,bool drawReflection)
{
	glBindTexture(GL_TEXTURE_2D, treetex);
	glEnable(GL_ALPHA_TEST);

	int cx=(int)(camera->pos.x/(SQUARE_SIZE*TREE_SQUARE_SIZE));
	int cy=(int)(camera->pos.z/(SQUARE_SIZE*TREE_SQUARE_SIZE));

	CBasicTreeSquareDrawer drawer;
	drawer.td = this;
	drawer.cx = cx;
	drawer.cy = cy;
	drawer.treeDistance = treeDistance;

	GML_STDMUTEX_LOCK(tree); // Draw

	readmap->GridVisibility (camera, TREE_SQUARE_SIZE, treeDistance*2*SQUARE_SIZE*TREE_SQUARE_SIZE, &drawer);

	int startClean=lastListClean*20%nTrees;
	lastListClean=gs->frameNum;
	int endClean=gs->frameNum*20%nTrees;

	if(startClean>endClean){
		for(TreeSquareStruct *pTSS=trees+startClean; pTSS<trees+nTrees; ++pTSS) {
			if(pTSS->lastSeen<gs->frameNum-50 && pTSS->displist){
				glDeleteLists(pTSS->displist,1);
				pTSS->displist=0;
			}
			if(pTSS->lastSeenFar<gs->frameNum-50 && pTSS->farDisplist){
				glDeleteLists(pTSS->farDisplist,1);
				pTSS->farDisplist=0;
			}
		}
		for(TreeSquareStruct *pTSS=trees; pTSS<trees+endClean; ++pTSS) {
			if(pTSS->lastSeen<gs->frameNum-50 && pTSS->displist){
				glDeleteLists(pTSS->displist,1);
				pTSS->displist=0;
			}
			if(pTSS->lastSeenFar<gs->frameNum-50 && pTSS->farDisplist){
				glDeleteLists(pTSS->farDisplist,1);
				pTSS->farDisplist=0;
			}
		}
	} else {
		for(TreeSquareStruct *pTSS=trees+startClean; pTSS<trees+endClean; ++pTSS) {
			if(pTSS->lastSeen<gs->frameNum-50 && pTSS->displist){
				glDeleteLists(pTSS->displist,1);
				pTSS->displist=0;
			}
			if(pTSS->lastSeenFar<gs->frameNum-50 && pTSS->farDisplist){
				glDeleteLists(pTSS->farDisplist,1);
				pTSS->farDisplist=0;
			}
		}
	}
	glDisable(GL_BLEND);
	glDisable(GL_ALPHA_TEST);
}

void CGroup::RemoveUnit(CUnit *unit)
{
	GML_STDMUTEX_LOCK(group); // RemoveUnit

	eventHandler.GroupChanged(id);
	if(ai)
		ai->RemoveUnit(unit->id);
	units.erase(unit);
}

void CDynWater::AddExplosion(const float3& pos, float strength, float size)
{
	if(pos.y>size || size < 8)
		return;

	GML_STDMUTEX_LOCK(water); // AddExplosion

	explosions.push_back(Explosion(pos,std::min(size*20,strength),size));
}

void CNetProtocol::InitLocalClient()
{
	GML_STDMUTEX_LOCK(net); // InitLocalClient

	serverConn.reset(new netcode::CLocalConnection);
	serverConn->Flush();
	
	logOutput.Print("Connecting to local server");
}

void CInMapDraw::Draw(void)
{
	GML_STDMUTEX_LOCK(inmap); //! Draw

	CVertexArray* va = GetVertexArray();
	va->Initialize();
	CVertexArray* lineva = GetVertexArray();
	lineva->Initialize();

	InMapDraw_QuadDrawer drawer;
	drawer.imd = this;
	drawer.lineva = lineva;
	drawer.va = va;
	drawer.visLabels = &visibleLabels;

	glDepthMask(0);
	glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
	glEnable(GL_BLEND);
	glBindTexture(GL_TEXTURE_2D, texture);

	readmap->GridVisibility(camera, DRAW_QUAD_SIZE, 3000.0f, &drawer);

	glDisable(GL_TEXTURE_2D);
	glLineWidth(3.f);
	lineva->DrawArrayC(GL_LINES); //! draw lines

	// XXX hopeless drivers, retest in a year or so...
	// width greater than 2 causes GUI flicker on ATI hardware as of driver version 9.3
	// so redraw lines with width 1
	if (globalRendering->atiHacks) {
		glLineWidth(1.f);
		lineva->DrawArrayC(GL_LINES);
	}

	// draw points
	glLineWidth(1);
	glEnable(GL_TEXTURE_2D);
	va->DrawArrayTC(GL_QUADS); //! draw point markers 

	if (!visibleLabels.empty()) {
		font->SetColors(); //! default

		//! draw point labels
		for (std::vector<MapPoint*>::iterator pi = visibleLabels.begin(); pi != visibleLabels.end(); ++pi) {
			float3 pos = (*pi)->pos;
			pos.y += 111.0f;

			font->SetTextColor((*pi)->color[0]/255.0f, (*pi)->color[1]/255.0f, (*pi)->color[2]/255.0f, 1.0f); //FIXME (overload!)
			font->glWorldPrint(pos, 26.0f, (*pi)->label);
		}

		visibleLabels.clear();
	}

	glDepthMask(1);
}