Imported existing code

indra/newview/lltoolgun.cpp

@@ -0,0 +1,143 @@
+/** 
+ * @file lltoolgun.cpp
+ * @brief LLToolGun class implementation
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "lltoolgun.h"
+
+#include "llviewerwindow.h"
+#include "llagent.h"
+#include "llviewercontrol.h"
+#include "llsky.h"
+#include "llappviewer.h"
+#include "llresmgr.h"
+#include "llfontgl.h"
+#include "llui.h"
+#include "llviewerimagelist.h"
+#include "llviewercamera.h"
+#include "llhudmanager.h"
+#include "lltoolmgr.h"
+#include "lltoolgrab.h"
+
+LLToolGun::LLToolGun( LLToolComposite* composite )
+:	LLTool( std::string("gun"), composite ),
+		mIsSelected(FALSE)
+{
+}
+
+void LLToolGun::handleSelect()
+{
+	gViewerWindow->hideCursor();
+	gViewerWindow->moveCursorToCenter();
+	gViewerWindow->mWindow->setMouseClipping(TRUE);
+	mIsSelected = TRUE;
+}
+
+void LLToolGun::handleDeselect()
+{
+	gViewerWindow->moveCursorToCenter();
+	gViewerWindow->showCursor();
+	gViewerWindow->mWindow->setMouseClipping(FALSE);
+	mIsSelected = FALSE;
+}
+
+BOOL LLToolGun::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	gGrabTransientTool = this;
+	LLToolMgr::getInstance()->getCurrentToolset()->selectTool( LLToolGrab::getInstance() );
+
+	return LLToolGrab::getInstance()->handleMouseDown(x, y, mask);
+}
+
+BOOL LLToolGun::handleHover(S32 x, S32 y, MASK mask) 
+{
+	if( gAgent.cameraMouselook() && mIsSelected )
+	{
+		const F32 NOMINAL_MOUSE_SENSITIVITY = 0.0025f;
+
+		F32 mouse_sensitivity = gSavedSettings.getF32("MouseSensitivity");
+		mouse_sensitivity = clamp_rescale(mouse_sensitivity, 0.f, 15.f, 0.5f, 2.75f) * NOMINAL_MOUSE_SENSITIVITY;
+
+		// ...move the view with the mouse
+
+		// get mouse movement delta
+		S32 dx = -gViewerWindow->getCurrentMouseDX();
+		S32 dy = -gViewerWindow->getCurrentMouseDY();
+		
+		if (dx != 0 || dy != 0)
+		{
+			// ...actually moved off center
+			if (gSavedSettings.getBOOL("InvertMouse"))
+			{
+				gAgent.pitch(mouse_sensitivity * -dy);
+			}
+			else
+			{
+				gAgent.pitch(mouse_sensitivity * dy);
+			}
+			LLVector3 skyward = gAgent.getReferenceUpVector();
+			gAgent.rotate(mouse_sensitivity * dx, skyward.mV[VX], skyward.mV[VY], skyward.mV[VZ]);
+
+			if (gSavedSettings.getBOOL("MouseSun"))
+			{
+				gSky.setSunDirection(LLViewerCamera::getInstance()->getAtAxis(), LLVector3(0.f, 0.f, 0.f));
+				gSky.setOverrideSun(TRUE);
+				gSavedSettings.setVector3("SkySunDefaultPosition", LLViewerCamera::getInstance()->getAtAxis());
+			}
+
+			gViewerWindow->moveCursorToCenter();
+			gViewerWindow->hideCursor();
+		}
+
+		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolGun (mouselook)" << llendl;
+	}
+	else
+	{
+		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolGun (not mouselook)" << llendl;
+	}
+
+	// HACK to avoid assert: error checking system makes sure that the cursor is set during every handleHover.  This is actually a no-op since the cursor is hidden.
+	gViewerWindow->setCursor(UI_CURSOR_ARROW);  
+
+	return TRUE;
+}
+
+void LLToolGun::draw()
+{
+	if( gSavedSettings.getBOOL("ShowCrosshairs") )
+	{
+		LLUIImagePtr crosshair = LLUI::getUIImage("UIImgCrosshairsUUID");
+		crosshair->draw(
+			( gViewerWindow->getWindowWidth() - crosshair->getWidth() ) / 2,
+			( gViewerWindow->getWindowHeight() - crosshair->getHeight() ) / 2);
+	}
+}