khanat-opennel-code/code/snowballs2/client/src/compass.cpp

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// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// 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/>.
//
// Includes
//
#include <nel/misc/types_nl.h>
#include <nel/misc/vector.h>
#include <nel/misc/matrix.h>
#include <nel/misc/config_file.h>
#include <nel/3d/u_material.h>
#include <nel/3d/u_camera.h>
#include <nel/3d/u_driver.h>
#include <nel/3d/u_text_context.h>
#include <nel/3d/u_texture.h>
#include "mouse_listener.h"
#include "camera.h"
#include "snowballs_client.h"
#include "entities.h"
//
// Namespaces
//
using namespace NLMISC;
using namespace NL3D;
using namespace std;
namespace SBCLIENT {
//
// Variables
//
static NL3D::UMaterial CompassMaterial = NULL;
// These variables are automatically set with the config file
static float CompassPosX, CompassPosY, CompassRadius;
static CRGBA CompassColor;
//
// Functions
//
void cbUpdateCompass (CConfigFile::CVar &var)
{
if (var.Name == "CompassPosX") CompassPosX = var.asFloat ();
else if (var.Name == "CompassPosY") CompassPosY = var.asFloat ();
else if (var.Name == "CompassRadius") CompassRadius = var.asFloat ();
else if (var.Name == "CompassColor")
{
CompassColor.set(var.asInt(0), var.asInt(1), var.asInt(2), var.asInt(3));
CompassMaterial.setColor(CompassColor);
}
else nlwarning ("Unknown variable update %s", var.Name.c_str());
}
void initCompass ()
{
CompassMaterial = Driver->createMaterial ();
CompassMaterial.initUnlit ();
CompassMaterial.setBlendFunc (UMaterial::srcalpha, UMaterial::invsrcalpha);
CompassMaterial.setBlend(true);
ConfigFile->setCallback ("CompassPosX", cbUpdateCompass);
ConfigFile->setCallback ("CompassPosY", cbUpdateCompass);
ConfigFile->setCallback ("CompassRadius", cbUpdateCompass);
ConfigFile->setCallback ("CompassColor", cbUpdateCompass);
cbUpdateCompass (ConfigFile->getVar ("CompassPosX"));
cbUpdateCompass (ConfigFile->getVar ("CompassPosY"));
cbUpdateCompass (ConfigFile->getVar ("CompassRadius"));
cbUpdateCompass (ConfigFile->getVar ("CompassColor"));
}
void updateCompass ()
{
float x = CompassPosX;
float y = CompassPosY;
float radius = CompassRadius;
// tri
CTriangle tri;
tri.V0.set (-radius, 0, 0);
tri.V1.set (radius, 0, 0);
tri.V2.set (0, 3*radius, 0);
CQuad quad;
// quad
quad.V0.set (-radius, -radius, 0);
quad.V1.set ( radius, -radius, 0);
quad.V2.set ( radius, radius, 0);
quad.V3.set (-radius, radius, 0);
Driver->setMatrixMode2D43 ();
CMatrix mtx;
// up
mtx.identity();
mtx.translate(CVector(x,y,0));
mtx.rotateZ(MouseListener->getOrientation() - (float)Pi/2);
mtx.translate(CVector(0,radius,0));
Driver->setModelMatrix (mtx);
Driver->drawTriangle (tri, CompassMaterial);
// down
mtx.identity();
mtx.translate(CVector(x,y,0));
mtx.rotateZ(MouseListener->getOrientation() + (float)Pi/2);
mtx.translate(CVector(0,radius,0));
Driver->setModelMatrix (mtx);
Driver->drawTriangle (tri, CompassMaterial);
// left
mtx.identity();
mtx.translate(CVector(x,y,0));
mtx.rotateZ(MouseListener->getOrientation());
mtx.translate(CVector(0,radius,0));
Driver->setModelMatrix (mtx);
Driver->drawTriangle (tri, CompassMaterial);
// right
mtx.identity();
mtx.translate(CVector(x,y,0));
mtx.rotateZ(MouseListener->getOrientation() - (float)Pi);
mtx.translate(CVector(0,radius,0));
Driver->setModelMatrix (mtx);
Driver->drawTriangle (tri, CompassMaterial);
// center
mtx.identity();
mtx.translate(CVector(x,y,0));
mtx.rotateZ(MouseListener->getOrientation());
Driver->setModelMatrix (mtx);
Driver->drawQuad (quad, CompassMaterial);
x *= 3.0/4.0f;
// Print position
TextContext->setHotSpot(UTextContext::MiddleTop);
TextContext->setColor(CompassColor);
TextContext->setFontSize(14);
if (Self != NULL)
TextContext->printfAt(x, y-4.0f*radius, "%.2f %.2f %.2f", Self->Position.x, Self->Position.y, Self->Position.z);
else
TextContext->printfAt(x, y-4.0f*radius, "%.2f %.2f %.2f", MouseListener->getPosition().x, MouseListener->getPosition().y, MouseListener->getPosition().z);
}
void releaseCompass ()
{
ConfigFile->setCallback("CompassPosX", NULL);
ConfigFile->setCallback("CompassPosY", NULL);
ConfigFile->setCallback("CompassRadius", NULL);
ConfigFile->setCallback("CompassColor", NULL);
Driver->deleteMaterial (CompassMaterial);
CompassMaterial = NULL;
}
} /* namespace SBCLIENT */
/* end of file */