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#include "StdAfx.h"
#include "mmgr.h"
#include "InputReceiver.h"
#include "Rendering/GL/myGL.h"
float CInputReceiver::guiAlpha = 0.8f;
CInputReceiver* CInputReceiver::activeReceiver = NULL;
std::deque<CInputReceiver*>& GetInputReceivers()
{
//This construct fixes order of initialization between different
//compilation units using inputReceivers. (mantis # 34)
static std::deque<CInputReceiver*> s_inputReceivers;
return s_inputReceivers;
}
CInputReceiver::CInputReceiver(Where w)
{
if (w == FRONT)
GetInputReceivers().push_front(this);
else if (w == BACK)
GetInputReceivers().push_back(this);
}
CInputReceiver::~CInputReceiver()
{
if (activeReceiver == this) {
activeReceiver = NULL;
}
std::deque<CInputReceiver*>& inputReceivers = GetInputReceivers();
std::deque<CInputReceiver*>::iterator ri;
for(ri=inputReceivers.begin();ri!=inputReceivers.end();++ri){
if(*ri==this){
// we may be deleted while there are still iterators active
//inputReceivers.erase(ri);
*ri = NULL;
break;
}
}
}
void CInputReceiver::CollectGarbage()
{
// erase one NULL element each call (should be enough for now)
// called once every sec from CGame::Update
std::deque<CInputReceiver*>& inputReceivers = GetInputReceivers();
std::deque<CInputReceiver*>::iterator ri;
for(ri=inputReceivers.begin();ri!=inputReceivers.end();++ri){
if (*ri == NULL) {
inputReceivers.erase(ri);
break;
}
}
}
CInputReceiver* CInputReceiver::GetReceiverAt(int x,int y)
{
std::deque<CInputReceiver*>& inputReceivers = GetInputReceivers();
std::deque<CInputReceiver*>::iterator ri;
for(ri=inputReceivers.begin();ri!=inputReceivers.end();++ri){
CInputReceiver* recv= *ri;
if(recv && recv->IsAbove(x,y))
return recv;
}
return 0;
}
bool CInputReceiver::InBox(float x, float y,const ContainerBox& box)
{
if(x>box.x1 && x<box.x2 && y>box.y1 && y<box.y2)
return true;
return false;
}
void CInputReceiver::DrawBox(const ContainerBox& box, int how)
{
if (how == -1)
how = GL_QUADS;
glBegin(how);
glVertex2f(box.x1, box.y1);
glVertex2f(box.x1, box.y2);
glVertex2f(box.x2, box.y2);
glVertex2f(box.x2, box.y1);
glEnd();
}
CInputReceiver::ContainerBox::ContainerBox()
: x1(0),
y1(0),
x2(0),
y2(0)
{
}
CInputReceiver::ContainerBox CInputReceiver::ContainerBox::operator+(CInputReceiver::ContainerBox other)
{
ContainerBox b;
b.x1=x1+other.x1;
b.x2=x1+other.x2;
b.y1=y1+other.y1;
b.y2=y1+other.y2;
return b;
}
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