void EraserToolInputState::DestroyUnitAtScreenCoords( const Vec2f& screenCoords )
{
EditorState* owner = GetOwnerDerived();
MapView* mapView = owner->GetMapView();
Map* map = owner->GetMap();
// Get the UnitSprite under the pointer (if any).
UnitSprite* unitSprite = mapView->GetUnitSpriteAtScreenCoords( screenCoords );
if( unitSprite )
{
// If there is a Unit under the pointer, destroy it.
Unit* unit = unitSprite->GetUnit();
DebugPrintf( "Erasing UnitSprite at Tile (%d,%d)!", unit->GetTileX(), unit->GetTileY() );
map->DestroyUnit( unit );
}
}
Unit* PlaceToolInputState::CreateUnitAtScreenCoords( const Vec2f& screenCoords )
{
Unit* unit = nullptr;
if( mSelectedUnitType )
{
if( mSelectedFaction )
{
EditorState* owner = GetOwnerDerived();
MapView* mapView = owner->GetMapView();
Map* map = owner->GetMap();
// Get the Tile at the screen coords.
Vec2f worldPos = mapView->ScreenToWorldCoords( screenCoords );
Vec2s tilePos = mapView->WorldToTileCoords( worldPos );
Map::Iterator tile = map->GetTile( tilePos );
if( tile.IsValid() && tile->IsEmpty() && mSelectedUnitType->CanMoveAcrossTerrain( tile->GetTerrainType() ) )
{
// If the selected UnitType can be placed into the Tile, create a new Unit.
DebugPrintf( "Placing Unit at tile (%d,%d)!", tilePos.x, tilePos.y );
unit = map->CreateUnit( mSelectedUnitType, mSelectedFaction, tilePos );
}
else
{
WarnFail( "Cannot place Unit into tile (%d,%d)!", tilePos.x, tilePos.y );
}
}
else
{
WarnFail( "Cannot create Unit because no Faction was selected!" );
}
}
else
{
WarnFail( "Cannot create Unit because no UnitType was selected!" );
}
return unit;
}
