void SpaceSim::Update()
{
while(!done)
{
//Delta time handling
double current_timestamp = al_get_time();
double seconds_since_last_tick = current_timestamp - previous_tick_timestamp;
/*if(seconds_since_last_tick > .25)
{
seconds_since_last_tick = 0.25;
}*/
previous_tick_timestamp = current_timestamp;
accumulator+=seconds_since_last_tick;
//Do this before drawing
while ( accumulator >= dt )
{
TakeInput();
//Update all the entities
for(std::vector<Entity*>::size_type i = 0; i != entities.size(); i++)
{
entities[i]->update(dt);
/*if(entities[i]->hasComponent("Removal"))
{
RemovalComp* remove = (RemovalComp*)entities[i]->getComponent("Removal");
if(remove->getShouldDiscard())
{
entities.erase(entities.begin() + i);
i--;
}
}*/
}
//CHECKING COLLISION and wrap
for(int i = 0; i != physics_entities.size(); i++)
{
/*if(physics_entities[i]->hasComponent("Removal"))
{
RemovalComp* remove = (RemovalComp*)physics_entities[i]->getComponent("Removal");
if(remove->getShouldDiscard())
{
physics_entities.erase(physics_entities.begin() + i);
}
}*/
PositionComp* pos = (PositionComp*) physics_entities[i]->getComponent("Position");
SpriteComp* spr = (SpriteComp*) physics_entities[i]->getComponent("Sprite");
PhysicsComp* phys = (PhysicsComp*) physics_entities[i]->getComponent("Physics");
//Collisions
for(int q = 0; q != physics_entities.size(); q++)
{
if(i!=q)
{
PhysicsComp* collider = (PhysicsComp*) physics_entities[q]->getComponent("Physics");
PhysicsComp::checkCollision(phys,collider);
}
}
//Boundaries
//Right
if( (pos->getPosition().x - al_get_bitmap_width (spr->getBitmap())/2 ) > screen_width)
{
pos->setPositionX(pos->getPosition().x - al_get_bitmap_width (spr->getBitmap())/2 - screen_width);
//done = true;
}
//Left
if( (pos->getPosition().x + al_get_bitmap_width (spr->getBitmap())/2 ) < 0)
{
pos->setPositionX(pos->getPosition().x + al_get_bitmap_width (spr->getBitmap())/2 + screen_width);
//done = true;
}
//Top
if( (pos->getPosition().y - al_get_bitmap_height (spr->getBitmap())/2 ) > 0)
{
pos->setPositionY(pos->getPosition().y + al_get_bitmap_height(spr->getBitmap())/2 - screen_height);
//done = true;
}
//Bottom
if( (pos->getPosition().y + al_get_bitmap_height (spr->getBitmap())/2 ) < -screen_height)
{
pos->setPositionY(pos->getPosition().y - al_get_bitmap_height (spr->getBitmap())/2 + screen_height);
//done = true;
}
}
/*UpdateUI();*/
accumulator -= dt;
}
/* Gets rid of displeasing effect
const double alpha = accumulator / dt;
State state = currentState*alpha + previousState * ( 1.0 - alpha );*/
Draw();
}
};
int HandleInput (UnitList *SQ, UnitList *PDUL, FunctionQueue *FQ, Level *lvl, int *running)
{
char c = TakeInput();
if (c == ERR)
{
return 1;
}
else if (c == 'q')
{
InputQ(running);
return 1;
}
else if (c == 'r')
{
CreateCLEARMSG(FQ);
InputR(running);
return 1;
}
else if (c == 's')
{
CreateCLEARMSG(FQ);
if (SQ->size == 0)
{
CreatePRINTMSG(FQ, 3);
}
else
{
CreateCLEARPROMPTS(FQ);
InputS(running);
}
return 1;
}
else if (c == 'x')
{
CreateCLEARMSG(FQ);
InputX(SQ,lvl);
CreateREDRAWQUEUE(FQ,SQ);
CreateREDRAWRESOURCES(FQ,lvl);
return 1;
}
else if (c-'a' >= 0 && c-'a' < UnitSize(PDUL))
{
if (SQ->size < UNITQUEUESIZE)
{
int i, flag = false;
CreateCLEARMSG(FQ);
for (i = 0; i < AVAILUNITS; i++)
{
if (c == lvl->available[i])
flag = true;
};
if (flag)
{
InputUnit(PDUL,c,SQ,lvl);
CreateREDRAWQUEUE(FQ,SQ);
CreateREDRAWRESOURCES(FQ,lvl);
return 1;
}
else
{
CreatePRINTMSG(FQ, 1);
return 1;
}
}
return 0;
}
else
{
CreateCLEARMSG(FQ);
CreatePRINTMSG(FQ, 1);
return 0;
}
}
