/*
* Position the notification relative to the block it is
* talking about.
*/
void GameController::HandleNotificationUpdateCallback(void *handler, void *notification)
{
hdVec2 screenPos;
hdVec2 aa,bb;
/* Volatile - both the notification and handler may go away at any time */
if (handler == NULL || notification == NULL) return;
GameController *self = (GameController *)handler;
Polygon* note = (Polygon *)notification;
Block* block = (Block *)note->GetRelative();
if (NULL == note->GetWorld()) return;
if (block != NULL)
{
self->ConvertInterfaceToScreen(screenPos, block->GetWorldCenter().x, block->GetWorldCenter().y);
aa.Set(screenPos.x - 35.0f, screenPos.y + 30.0f);
bb.Set(aa.x + 70, aa.y + 35);
note->RemoveAllPoints();
note->AddPoint(aa.x, aa.y);
note->AddPoint(aa.x, bb.y);
note->AddPoint(bb.x, bb.y);
note->AddPoint(bb.x, aa.y);
}
}
void GameController::PlayerReadyMoveProjection(hdTimeInterval interval)
{
// While the projection is not at the starting position (0.0, upper.x = level.upper.x)
// move a fraction of the difference between the aabb and the destination.
float dx, dy;
dx = dy = 0.0f;
Block* keyBlock = NULL;
// find block with tag of 1001 - camera focuses on this block when player is ready...
for (int i = 0; i < GetCurrentLevel()->GetBlockCount(); i++)
{
if (GetCurrentLevel()->GetBlocks()[i]->GetTag() == 1001)
{
keyBlock = (Block*)GetCurrentLevel()->GetBlocks()[i];
SetSelectedTotemBlock(keyBlock);
break;
}
}
if (keyBlock == NULL)
{
/*
* HACK HACK HACK
*
* Focus on the center if there is no key block.
*/
float worldCenterX = (m_worldAABB.upper.x + m_worldAABB.lower.x) / 2.0f;
float projCenterX = m_projection->GetAABB().lower.x + ((m_projection->GetAABB().upper.x - m_projection->GetAABB().lower.x) / 2.0f);
if (m_projection->GetAABB().upper.y <= m_worldAABB.upper.y)
{
// move clamped to diff between y
dy = 0.2f;
}
if (projCenterX <= worldCenterX)
{
dx = hdMin(0.2f, (projCenterX - worldCenterX));
}
else
{
dx = -0.2f;
if ((projCenterX - worldCenterX) > dx)
{
dx = (projCenterX - worldCenterX);
}
}
dx *= 10.0f;
dy *= 100.0f;
}
else
{
hdVec3 box(0.05f * (m_projection->GetAABB().upper - m_projection->GetAABB().lower));
hdVec3 diff = (keyBlock->GetWorldCenter() - m_projection->GetWorldCenter());
hdVec3 mag(fabs(diff.x), fabs(diff.y), 0.0f);
mag.x = (mag.x < box.x) ? 0.0f : mag.x - box.x;
mag.y = (mag.y < box.y) ? 0.0f : mag.y - box.y;
dx = (diff.x > 0.0f) ? -mag.x : mag.x;
dy = (diff.y < 0.0f) ? -mag.y : mag.y;
dx *= 5.0f;
dy *= 5.0f;
}
PanProjection(0.0f, 0.0f, dx, dy);
ZoomProjection(1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f,
0.0f, 0.0f);
}
