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/**
* @file llviewerjoystick.cpp
* @brief Joystick functionality.
*
* Copyright (c) 2002-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#include "llviewerprecompiledheaders.h"
#include "llviewercontrol.h"
#include "llviewerwindow.h"
#include "llviewercamera.h"
#include "llviewerjoystick.h"
#include "viewer.h"
#include "llkeyboard.h"
static LLQuaternion sFlycamRotation;
static LLVector3 sFlycamPosition;
static F32 sFlycamZoom;
BOOL LLViewerJoystick::sOverrideCamera = FALSE;
void LLViewerJoystick::updateCamera(BOOL reset)
{
static F32 last_delta[] = {0,0,0,0,0,0,0};
static F32 delta[] = { 0,0,0,0,0,0,0 };
LLWindow* window = gViewerWindow->getWindow();
F32 time = gFrameIntervalSeconds;
S32 axis[] =
{
gSavedSettings.getS32("FlycamAxis0"),
gSavedSettings.getS32("FlycamAxis1"),
gSavedSettings.getS32("FlycamAxis2"),
gSavedSettings.getS32("FlycamAxis3"),
gSavedSettings.getS32("FlycamAxis4"),
gSavedSettings.getS32("FlycamAxis5"),
gSavedSettings.getS32("FlycamAxis6")
};
F32 axis_scale[] =
{
gSavedSettings.getF32("FlycamAxisScale0"),
gSavedSettings.getF32("FlycamAxisScale1"),
gSavedSettings.getF32("FlycamAxisScale2"),
gSavedSettings.getF32("FlycamAxisScale3"),
gSavedSettings.getF32("FlycamAxisScale4"),
gSavedSettings.getF32("FlycamAxisScale5"),
gSavedSettings.getF32("FlycamAxisScale6")
};
F32 dead_zone[] =
{
gSavedSettings.getF32("FlycamAxisDeadZone0"),
gSavedSettings.getF32("FlycamAxisDeadZone1"),
gSavedSettings.getF32("FlycamAxisDeadZone2"),
gSavedSettings.getF32("FlycamAxisDeadZone3"),
gSavedSettings.getF32("FlycamAxisDeadZone4"),
gSavedSettings.getF32("FlycamAxisDeadZone5"),
gSavedSettings.getF32("FlycamAxisDeadZone6")
};
if (reset)
{
sFlycamPosition = gCamera->getOrigin();
sFlycamRotation = gCamera->getQuaternion();
sFlycamZoom = gCamera->getView();
for (U32 i = 0; i < 7; i++)
{
last_delta[i] = -window->getJoystickAxis(axis[i]);
delta[i] = 0.f;
}
return;
}
F32 cur_delta[7];
F32 feather = gSavedSettings.getF32("FlycamFeathering");
BOOL absolute = gSavedSettings.getBOOL("FlycamAbsolute");
for (U32 i = 0; i < 7; i++)
{
cur_delta[i] = -window->getJoystickAxis(axis[i]);
F32 tmp = cur_delta[i];
if (absolute)
{
cur_delta[i] = cur_delta[i] - last_delta[i];
}
last_delta[i] = tmp;
if (cur_delta[i] > 0)
{
cur_delta[i] = llmax(cur_delta[i]-dead_zone[i], 0.f);
}
else
{
cur_delta[i] = llmin(cur_delta[i]+dead_zone[i], 0.f);
}
cur_delta[i] *= axis_scale[i];
if (!absolute)
{
cur_delta[i] *= time;
}
delta[i] = delta[i] + (cur_delta[i]-delta[i])*time*feather;
}
sFlycamPosition += LLVector3(delta) * sFlycamRotation;
LLMatrix3 rot_mat(delta[3],
delta[4],
delta[5]);
sFlycamRotation = LLQuaternion(rot_mat)*sFlycamRotation;
if (gSavedSettings.getBOOL("FlycamAutoLeveling"))
{
LLMatrix3 level(sFlycamRotation);
LLVector3 x = LLVector3(level.mMatrix[0]);
LLVector3 y = LLVector3(level.mMatrix[1]);
LLVector3 z = LLVector3(level.mMatrix[2]);
y.mV[2] = 0.f;
y.normVec();
level.setRows(x,y,z);
level.orthogonalize();
LLQuaternion quat = LLQuaternion(level);
sFlycamRotation = nlerp(llmin(feather*time,1.f), sFlycamRotation, quat);
}
if (gSavedSettings.getBOOL("FlycamZoomDirect"))
{
sFlycamZoom = last_delta[6]*axis_scale[6]+dead_zone[6];
}
else
{
sFlycamZoom += delta[6];
}
LLMatrix3 mat(sFlycamRotation);
gCamera->setView(sFlycamZoom);
gCamera->setOrigin(sFlycamPosition);
gCamera->mXAxis = LLVector3(mat.mMatrix[0]);
gCamera->mYAxis = LLVector3(mat.mMatrix[1]);
gCamera->mZAxis = LLVector3(mat.mMatrix[2]);
}
void LLViewerJoystick::scanJoystick()
{
if (!sOverrideCamera)
{
static U32 joystick_state = 0;
static U32 button_state = 0;
F32 xval = gViewerWindow->getWindow()->getJoystickAxis(0);
F32 yval = gViewerWindow->getWindow()->getJoystickAxis(1);
if (xval <= -0.5f)
{
if (!(joystick_state & 0x1))
{
gKeyboard->handleTranslatedKeyDown(KEY_PAD_LEFT, 0);
joystick_state |= 0x1;
}
}
else
{
if (joystick_state & 0x1)
{
gKeyboard->handleTranslatedKeyUp(KEY_PAD_LEFT, 0);
joystick_state &= ~0x1;
}
}
if (xval >= 0.5f)
{
if (!(joystick_state & 0x2))
{
gKeyboard->handleTranslatedKeyDown(KEY_PAD_RIGHT, 0);
joystick_state |= 0x2;
}
}
else
{
if (joystick_state & 0x2)
{
gKeyboard->handleTranslatedKeyUp(KEY_PAD_RIGHT, 0);
joystick_state &= ~0x2;
}
}
if (yval <= -0.5f)
{
if (!(joystick_state & 0x4))
{
gKeyboard->handleTranslatedKeyDown(KEY_PAD_UP, 0);
joystick_state |= 0x4;
}
}
else
{
if (joystick_state & 0x4)
{
gKeyboard->handleTranslatedKeyUp(KEY_PAD_UP, 0);
joystick_state &= ~0x4;
}
}
if (yval >= 0.5f)
{
if (!(joystick_state & 0x8))
{
gKeyboard->handleTranslatedKeyDown(KEY_PAD_DOWN, 0);
joystick_state |= 0x8;
}
}
else
{
if (joystick_state & 0x8)
{
gKeyboard->handleTranslatedKeyUp(KEY_PAD_DOWN, 0);
joystick_state &= ~0x8;
}
}
for( int i = 0; i < 15; i++ )
{
if ( gViewerWindow->getWindow()->getJoystickButton(i) & 0x80 )
{
if (!(button_state & (1<<i)))
{
gKeyboard->handleTranslatedKeyDown(KEY_BUTTON1+i, 0);
button_state |= (1<<i);
}
}
else
{
if (button_state & (1<<i))
{
gKeyboard->handleTranslatedKeyUp(KEY_BUTTON1+i, 0);
button_state &= ~(1<<i);
}
}
}
}
}
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