Feng Shui Building

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**Feng Shui Building** - it is the cornerstone of the game's Feng Shui system. Most Buildings classified under *Life*, *Work*, *Sect*, *Entertainment* with the *Feng Shui Building* tag are considered Feng Shui buildings. These buildings' Feng Shui changes with the Element Composition at their location. When the element of the environment begets that of the building, the Feng Shui will be good and vice versa. Feng Shui buildings greatly influence the Feng Shui of any Rooms they are placed in.

## How to see?

It's only possible to see what a "Feng Shui Building" is in the Build menu after constructing an Observatory It's also only possible to see the Feng Shui Building's Auspiciousness Rating after building an Observatory too.

## Element projection

Normally, Feng Shui buildings will not emit any element, but there are a few notable exceptions.

* The Well emits Water element, therefore the best element to make a well out of is Wood, and the worst element is Earth.
* The Bonfire, Stove, Furnace, and Forge emit Fire element, the best element to make these Buildings out of is Earth, while the worst element to make them out of is Metal.

## Auspiciousness calculation

Auspiciousness of a Feng Shui Building is calculated based on the Element Composition of all its tiles, averaged out.

The tile composition proportions can roughly be seen by using Feng Shui vision, while the exact values can be seen by using the MoreGridInfo mod.

Elemental Intensity of a Tile uses percentages for calculation.

* Same Element as Feng Shui Building = X 1
* Begetting Element compared to Feng Shui Building = X 2
* Overcoming Element compared to Feng Shui Building = X - 2
* Any other relation = X 0

Example of Elemental relations for strength
 Wood
 Water
 Fire
 Earth

An example: Fertile Soil by itself is made up of 1 Wood, 0.5 Water and 1 Earth. Or 40% Wood, 20% Water and 40% Earth. The Elemental Intensity on that tile for Wood would be:

```
40 X 1 + 20 X 2 + 40 * 0 = 80%, or 0.8 Elemental Intensity

```

For a single tile Feng Shui Building, that is the end value. For Feng Shui Buildings with multiple tiles (Beds, Double Beds, Alchemy Furnace, most of Feng Shui Buildings in general), the Elemental Intensity calculation is performed on all its tiles, and then averaged.

The final value is used to set auspiciousness:

* Very Auspicious requires an average Elemental Intensity of 1.6
* Auspicious requires an average Elemental Intensity of 1
* Slightly Auspicious requires an average Elemental Intensity of 0 (positive)
* Slightly Ominous requires an average Elemental Intensity of below 0 (negative)
* Ominous requires an average Elemental Intensity of -1
* Very Ominous requires an average Elemental Intensity of -1.6

An example with a Wood element Bed, one tile on Fertile Soil, one on regular Soil:

From the earlier example, the Elemental Intensity on the Fertile Soil tile would be:

```
40 X 1 + 20 X 2 + 40 X 0 = 80%, or 0.8 Elemental Intensity

```

Regular Soil by itself is made up of 17% Wood, 17% Water, and 67% Earth. Which means that the Elemental Intensity for Wood would be:

```
17 X 1 + 17 X 2 + 67 X 0 = 51%, or 0.51 Elemental Intensity

```

Due to the Bed being on two tiles, the Elemental Intensity needs to be averaged out:

```
(0.8+0.51) / 2 = 0.655 Average Elemental Intensity

```

Since the resulting value is above 0, but below 1, the Auspiciousness Rating of the Bed will be **Slightly Auspicious**.

### Simple example

To get a "Feng Shui Building" to be Very Auspicious, you must put it in an environment that it 'likes' i.e. the Element Composition of the tiles that it's on must benefit the Element that the "Feng Shui Building" is constructed from.

An Earth Rich tile (>80% Earth), with low Fire element will be Very Auspicious for a Metal "Feng Shui Building".

## List of Feng Shui Buildings

Standard = Bar/Timber/Stone Block

Bar includes Metal, Water, and Fire elements.

Timber (Plant) = Wood element

Wood (Log) = Wood Element

Stone Block = Earth Element, or None (Spirit Stone/Spirit Crystal)