lltoolgun.cpp

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#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( "gun", composite )
{
}

void LLToolGun::handleSelect()
{
        gViewerWindow->hideCursor();
        gViewerWindow->moveCursorToCenter();
        gViewerWindow->mWindow->setMouseClipping(TRUE);
}

void LLToolGun::handleDeselect()
{
        gViewerWindow->moveCursorToCenter();
        gViewerWindow->showCursor();
        gViewerWindow->mWindow->setMouseClipping(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() )
        {
                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);
        }
}

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