khanat-opennel-code/code/ryzom/client/src/rosace.cpp

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2010-05-06 00:08:41 +00:00
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
//////////////
// INCLUDES //
//////////////
// Misc.
#include "nel/misc/common.h"
// 3D Interface.
#include "nel/3d/u_driver.h"
// Client.
#include "rosace.h"
#include "math.h"
///////////
// USING //
///////////
using namespace NLMISC;
using namespace NL3D;
using namespace std;
/////////////
// Externs //
/////////////
extern UDriver *Driver;
///////////////
// FUNCTIONS //
///////////////
//////////////////////
// CRosaceComponent //
//////////////////////
//-----------------------------------------------
// CRosaceComponent :
// Constructor.
//-----------------------------------------------
CRosaceComponent::CRosaceComponent()
{
// No callback function at the beginning.
_Callback = 0;
// No texture at the beginning.
_Texture = 0;
_X = 0.5f;
_Y = 0.5f;
_W = 0.05f;
_H = 0.05f;
}// CRosaceComponent //
//-----------------------------------------------
// display :
// Display the component.
//-----------------------------------------------
void CRosaceComponent::display(bool selected)
{
// If there is a texture to display.
if(_Texture)
{
if(selected)
Driver->drawBitmap(_X, _Y, _W, _H, *_Texture, true, CRGBA(255, 0, 0, 255));
else
Driver->drawBitmap(_X, _Y, _W, _H, *_Texture, true, CRGBA(255, 255, 255, 255));
}
}// display //
//-----------------------------------------------
// execute :
// Execute the callback associated to the component.
//-----------------------------------------------
void CRosaceComponent::execute()
{
// If there is a callback -> execute it.
if(_Callback)
_Callback();
}// execute //
//-----------------------------------------------
// texture :
// Set the texture for the component.
//-----------------------------------------------
void CRosaceComponent::texture(const string &filename)
{
_Texture = Driver->createTextureFile(filename);
}// texture //
//-----------------------------------------------
// inside :
// Return true if the position (x,y) is inside the rosace.
//-----------------------------------------------
bool CRosaceComponent::inside(float x, float y)
{
if(x>=_X && x<_X+_W && y>=_Y && y<_Y+_H)
return true;
return false;
}// inside //
/////////////////
// CRosacePage //
/////////////////
//-----------------------------------------------
// CRosacePage :
// Constructor.
//-----------------------------------------------
CRosacePage::CRosacePage()
{
_OldX = 0.5f;
_OldY = 0.5f;
_Selected = -1;
_Components.clear();
}// CRosacePage //
//-----------------------------------------------
// CRosacePage :
// Constructor. Create some components at the beginning.
//-----------------------------------------------
CRosacePage::CRosacePage(sint nb)
{
_Selected = -1;
_Components.clear();
_Components.resize(nb);
generate();
}// CRosaceContext //
//-----------------------------------------------
// display :
// Display all the components in the page.
//-----------------------------------------------
void CRosacePage::display()
{
for(uint i = 0; i<size(); ++i)
{
if(_Selected == (sint)i)
_Components[i].display(true);
else
_Components[i].display(false);
}
}// display //
//-----------------------------------------------
// execute :
// Execute the callback associated to the selected component.
//-----------------------------------------------
void CRosacePage::execute()
{
// If there is no component selected -> return.
if(_Selected<0 || _Selected>=(sint)size())
return;
// Else execute the callback associated to the selected component.
_Components[_Selected].execute();
}// execute //
//-----------------------------------------------
// next :
// Select the next valide component.
//-----------------------------------------------
void CRosacePage::next()
{
_Selected++;
if(!valide())
{
_Selected = 0;
if(!valide())
_Selected = -1;
}
}// next //
//-----------------------------------------------
// previous :
// Select the previous valide component.
//-----------------------------------------------
void CRosacePage::previous()
{
_Selected--;
// If the selected component is not valide selected the last 1 (-1 is no component).
if(!valide())
_Selected = (sint)size()-1;
}// previous //
//-----------------------------------------------
// generate :
// Generate the rosace (all components).
//-----------------------------------------------
void CRosacePage::generate()
{
float _W = 0.05f;
float _H = 0.05f;
double ang = 2*Pi/(float)size();
double r1 = _W/(2*sin(ang/2)); // r = opp/tan @
double r2 = _H/(2*sin(ang/2));
for(uint i=0; i<size(); ++i)
{
double x = r1*cos(i*ang);
double y = r2*sin(i*ang);
_Components[i].setPos((float)(0.5f+x-_W/2), (float)(0.5f+y-_H/2));
}
}// generate //
//-----------------------------------------------
// update :
// Update the page.
//-----------------------------------------------
void CRosacePage::update(float x, float y, TMode mode)
{
switch(mode)
{
case CursorMode:
cursorMode(x, y);
break;
case CursorAngleMode:
cursorAngleMode(x, y);
break;
case RelativeMode:
relativeMode(x, y);
break;
case DirectMode:
directMode(x, y);
break;
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case NbRosaceMode:
nlwarning("Rosace Mode reached.");
break;
default:
break;
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}
}// update //
//-----------------------------------------------
// select :
// ...
//-----------------------------------------------
void CRosacePage::select(double ang)
{
double angTmp = 2*Pi/(float)size();
if(ang>=0)
{
ang = ang+angTmp/2;
_Selected = (sint)(ang/angTmp);
}
else
{
ang = -ang+angTmp/2;
_Selected = size()-(sint)(ang/angTmp);
}
if(_Selected >= (sint)size() || _Selected<0)
_Selected = 0;
}// select //
//-----------------------------------------------
// cursorMode :
// Select the component under the position (x,y) or unselect all if nothing at this position.
//-----------------------------------------------
void CRosacePage::cursorMode(float x , float y)
{
for(uint i=0; i<size(); ++i)
{
if(_Components[i].inside(x, y))
{
_Selected = i;
return;
}
}
// Unselect all.
_Selected = -1;
}// cursorMode //
//-----------------------------------------------
// cursorAngleMode :
// Select elements of the rosace according to the angle generated by mouse position and screen center.
//-----------------------------------------------
void CRosacePage::cursorAngleMode(float x , float y)
{
// If the mouse is near center -> unselect all.
if(x>=0.5f-0.01f && x<0.5f+0.01f && y>=0.5f-0.01f && y<0.5f+0.01f)
_Selected = -1;
// Select the right element of the rosace according to the angle.
else
{
uint32 width, height;
Driver->getWindowSize(width, height);
double x1, y1;
x1 = (double)width/2.0;
x1 = (x*(double)width) - x1;
y1 = (double)height/2.0;
y1 = (y*(double)height) - y1;
select(atan2(y1, x1));
}
}// CursorAngleMode //
//-----------------------------------------------
// directMode :
// ...
//-----------------------------------------------
void CRosacePage::directMode(float x , float y)
{
float difX = x-_OldX;
float difY = y-_OldY;
if(fabs(difX)<0.01f && fabs(difY)<0.01f)
return;
uint32 width, height;
Driver->getWindowSize(width, height);
double x1 = (difX*(double)width);
double y1 = (difY*(double)height);
select(atan2(y1, x1));
// Backup the x and y.
_OldX = x;
_OldY = y;
}//directMode //
//-----------------------------------------------
// relativeMode :
// ...
//-----------------------------------------------
void CRosacePage::relativeMode(float x, float /* y */)
{
float difX = x-_OldX;
if(fabs(difX)<0.01f)
return;
if(difX>0)
next();
else
previous();
// Backup the x and y.
_OldX = x;
}// relativeMode //
///////////////////
// CRosaceContext//
///////////////////
//-----------------------------------------------
// CRosaceContext :
// Constructor.
//-----------------------------------------------
CRosaceContext::CRosaceContext()
{
_Selected = 0;
_Pages.clear();
}// CRosacePage //
//-----------------------------------------------
// CRosaceContext :
// Constructor. Create some pages at the beginning.
//-----------------------------------------------
CRosaceContext::CRosaceContext(sint nb)
{
_Selected = 0;
_Pages.clear();
_Pages.resize(nb);
}// CRosacePage //
//-----------------------------------------------
// display :
// Display all the pages in the context.
//-----------------------------------------------
void CRosaceContext::display()
{
// If there is no page selected -> return.
if(!valide())
return;
// Else display the right page.
_Pages[_Selected].display();
}// display //
//-----------------------------------------------
// execute :
// Execute the callback associated to the selected component in the selected page.
//-----------------------------------------------
void CRosaceContext::execute()
{
// If there is no page selected -> return.
if(!valide())
return;
// Else execute the callback associated to the selected component.
_Pages[_Selected].execute();
}// execute //
//-----------------------------------------------
// add :
// Add a page.
//-----------------------------------------------
void CRosaceContext::add(const CRosacePage &page)
{
_Pages.push_back(page);
}// add //
//-----------------------------------------------
// update :
// Update the context.
//-----------------------------------------------
void CRosaceContext::update(float x, float y, CRosacePage::TMode mode)
{
// If there is no page selected -> return.
if(!valide())
return;
// Update the selected page.
_Pages[_Selected].update(x, y, mode);
}// update //
//-----------------------------------------------
// next :
// Select the next valide page.
//-----------------------------------------------
void CRosaceContext::next()
{
_Selected++;
if(!valide())
{
_Selected = 0;
if(!valide())
_Selected = -1;
}
}// next //
//-----------------------------------------------
// previous :
// Select the previous valide page.
//-----------------------------------------------
void CRosaceContext::previous()
{
_Selected--;
// If the selected component is not valide selected the last 1 (-1 is no component).
if(!valide())
_Selected = (sint)size()-1;
}// previous //
/////////////
// CRosace //
/////////////
//-----------------------------------------------
// CRosace :
// Constructor.
//-----------------------------------------------
CRosace::CRosace()
{
init();
}// CRosace //
//-----------------------------------------------
// ~CRosace :
// Destructor.
//-----------------------------------------------
CRosace::~CRosace()
{
}// ~CRosace //
//-----------------------------------------------
// init :
// Initialize the rosace.
//-----------------------------------------------
void CRosace::init()
{
_Mode = CRosacePage::CursorAngleMode;
_Selected = "";
}// init //
//-----------------------------------------------
// add :
// Add a page. ("" is not valide name).
//-----------------------------------------------
void CRosace::add(const string &name, const CRosaceContext &context)
{
// If the name is not empty.
if(name != "")
_Contexts.insert(TContexts::value_type (name, context));
}// add //
//-----------------------------------------------
// valide :
// Is the current context valide.
//-----------------------------------------------
bool CRosace::valide()
{
// Check if the Selected context is valide.
TContexts::iterator it = _Contexts.find(_Selected);
if(it != _Contexts.end())
return true;
return false;
}// valide //
//-----------------------------------------------
// display :
// Display the rosace.
//-----------------------------------------------
void CRosace::display()
{
if(valide())
_Contexts[_Selected].display();
}// display //
//-----------------------------------------------
// update :
// ...
//-----------------------------------------------
void CRosace::update(float x, float y)
{
if(valide())
_Contexts[_Selected].update(x, y, _Mode);
}// update //
//-----------------------------------------------
// execute :
// Execute the callback function corresponding to the selected component.
//-----------------------------------------------
void CRosace::execute()
{
if(valide())
_Contexts[_Selected].execute();
}// execute //
//-----------------------------------------------
// swap :
// Swap to next rosace page.
//-----------------------------------------------
void CRosace::swap()
{
if(valide())
_Contexts[_Selected].next();
}// swap //