colobot/src/compass.cpp

179 lines
4.0 KiB
C++
Raw Normal View History

2012-03-19 13:37:59 +00:00
// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU 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 General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
#define STRICT
#define D3D_OVERLOADS
#include <windows.h>
#include <stdio.h>
#include <d3d.h>
#include "struct.h"
2012-03-23 20:02:53 +00:00
#include "d3dengine.h"
#include "math3d.h"
#include "event.h"
#include "misc.h"
#include "iman.h"
#include "compass.h"
// Object's constructor.
CCompass::CCompass(CInstanceManager* iMan) : CControl(iMan)
{
CControl::CControl(iMan);
m_dir = 0.0f;
}
// Object's destructor.
CCompass::~CCompass()
{
}
// Creates a new button.
BOOL CCompass::Create(FPOINT pos, FPOINT dim, int icon, EventMsg eventMsg)
{
if ( eventMsg == EVENT_NULL ) eventMsg = GetUniqueEventMsg();
CControl::Create(pos, dim, icon, eventMsg);
return TRUE;
}
// Management of an event.
BOOL CCompass::EventProcess(const Event &event)
{
CControl::EventProcess(event);
if ( event.event == EVENT_LBUTTONDOWN )
{
if ( CControl::Detect(event.pos) )
{
Event newEvent = event;
newEvent.event = m_eventMsg;
m_event->AddEvent(newEvent);
return FALSE;
}
}
return TRUE;
}
// Draw button.
void CCompass::Draw()
{
LPDIRECT3DDEVICE7 device;
D3DVERTEX2 vertex[4]; // 2 triangles
FPOINT p1, p2, p3, c, uv1, uv2;
D3DVECTOR n;
float dp;
if ( (m_state & STATE_VISIBLE) == 0 ) return;
device = m_engine->RetD3DDevice();
m_engine->SetTexture("button2.tga");
m_engine->SetState(D3DSTATENORMAL);
p1.x = m_pos.x;
p1.y = m_pos.y;
p2.x = m_pos.x + m_dim.x;
p2.y = m_pos.y + m_dim.y;
c.x = (p1.x+p2.x)/2.0f;
c.y = (p1.y+p2.y)/2.0f; // center
uv1.x = 64.0f/256.0f;
uv1.y = 32.0f/256.0f;
uv2.x = 96.0f/256.0f;
uv2.y = 64.0f/256.0f;
dp = 0.5f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
n = D3DVECTOR(0.0f, 0.0f, -1.0f); // normal
vertex[0] = D3DVERTEX2(D3DVECTOR(p1.x, p1.y, 0.0f), n, uv1.x,uv2.y);
vertex[1] = D3DVERTEX2(D3DVECTOR(p1.x, p2.y, 0.0f), n, uv1.x,uv1.y);
vertex[2] = D3DVERTEX2(D3DVECTOR(p2.x, p1.y, 0.0f), n, uv2.x,uv2.y);
vertex[3] = D3DVERTEX2(D3DVECTOR(p2.x, p2.y, 0.0f), n, uv2.x,uv1.y);
device->DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX2, vertex, 4, NULL);
m_engine->AddStatisticTriangle(2);
if ( m_state & STATE_ENABLE )
{
p1.x = c.x;
p1.y = c.y+m_dim.x*0.40f;
p1 = RotatePoint(c, m_dir, p1);
p1.x = c.x+(p1.x-c.x)*(m_dim.x/m_dim.y);
p2.x = c.x+m_dim.x*0.20f;
p2.y = c.y-m_dim.x*0.40f;
p2 = RotatePoint(c, m_dir, p2);
p2.x = c.x+(p2.x-c.x)*(m_dim.x/m_dim.y);
p3.x = c.x-m_dim.x*0.20f;
p3.y = c.y-m_dim.x*0.40f;
p3 = RotatePoint(c, m_dir, p3);
p3.x = c.x+(p3.x-c.x)*(m_dim.x/m_dim.y);
uv1.x = 96.0f/256.0f;
uv1.y = 32.0f/256.0f;
uv2.x = 104.0f/256.0f;
uv2.y = 64.0f/256.0f;
uv1.x += dp;
uv1.y += dp;
uv2.x -= dp;
uv2.y -= dp;
vertex[0] = D3DVERTEX2(D3DVECTOR(p1.x, p1.y, 0.0f), n, uv1.x,uv1.y);
vertex[1] = D3DVERTEX2(D3DVECTOR(p2.x, p2.y, 0.0f), n, uv1.x,uv2.y);
vertex[2] = D3DVERTEX2(D3DVECTOR(p3.x, p3.y, 0.0f), n, uv2.x,uv2.y);
device->DrawPrimitive(D3DPT_TRIANGLELIST, D3DFVF_VERTEX2, vertex, 3, NULL);
m_engine->AddStatisticTriangle(1);
}
}
// Management directions of the compass.
void CCompass::SetDirection(float dir)
{
m_dir = dir;
}
float CCompass::RetDirection()
{
return m_dir;
}