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object.cpp

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#include <string>
#include "object.h"
#include "sprite.h"
#include "objmgr.h"

GameObject::GameObject(ObjectManager &om, string n) : OM(om), sprite(NULL)
{
        name = n;
        dead = false;
        collide = false;
        sprite = NULL;
        Xpos = Ypos = 0;
        layer = 0;      // sprite layer
        damagable = false;
}

GameObject::~GameObject()
{
        if(sprite)
                delete sprite;
}

int GameObject::SetPosition(double x, double y)
{
        Xpos = x;
        Ypos = y;
        Xposi = (int)(x+0.5);
        Yposi = (int)(y+0.5);

        Recenter();

        return 0;
}

int GameObject::Recenter ()
{
        if (sprite) {
                Background &BKG = OM.GetSubWorld()->GetBackground();
                // Convert subworld to screen coordinates
                //
                float xScr = (float) (((Xpos - (double)BKG.GetX())) - (sprite->GetWidth())/2.0);
                float yScr = (float) (((Ypos - (double)BKG.GetY())) - (sprite->GetHeight())/2.0);
                return sprite->SetPosition (xScr, yScr);
        }
        return 0;
}

// Returns a RECT in SUBWORLD space.
Rect GameObject::GetBoundingRect()
{
        Rect R;
        if(sprite) {
                float x = (float)sprite->GetX();
                float y = (float)sprite->GetY();
                
                // Convert to subworld (sprite stores it's position in screen-space)
                OM.GetSubWorld()->ScreenToSubWorld (x, y);
                
                R = Util_BuildRect((int)x, (int)y, (int)sprite->GetWidth(), (int)sprite->GetHeight());
        } else
                R = Util_BuildRect(0,0,0,0);

        return R;
}

double GameObject::GetX() const
{
        return Xpos;
}

double GameObject::GetY() const
{
        return Ypos;
}

int GameObject::GetXint() const
{
        return Xposi;
}

int GameObject::GetYint() const
{
        return Yposi;
}

int GameObject::GetLayer() const
{
        return layer;
}

void GameObject::SetLayer(int l) 
{
        layer = l;
}

void GameObject::Damage(double howmuch)
{
        if (!IsDamagable())
                return;

        damage -= howmuch;

        if (damage <= 0) {
                SetDead (true);
        }
}

void GameObject::SetDamage(double howhigh)
{
        damage = howhigh;
}

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