# iengine

## Functions

### GetScreenSize

Returns:

| Type                              | Description                     |
| --------------------------------- | ------------------------------- |
| [Vector2D](../datatypes/vector2d) | width and height of game screen |

Code:

```lua
local vecScreenSize = IEngine.GetScreenSize()
```

### GetPlayerInfo

Parameters:

| Name         | Type | Description                            |
| ------------ | ---- | -------------------------------------- |
| nEntityIndex | int  | index of entity to get player info for |

Returns:

| Type                                     | Description                       |
| ---------------------------------------- | --------------------------------- |
| [PlayerInfo\_t](../classes/playerinfo_t) | entity player info of given index |

Code:

```lua
local playerInfo = IEngine.GetPlayerInfo(pLocal:GetIndex())
```

### GetPlayerForUserID

Parameters:

| Name    | Type | Description                        |
| ------- | ---- | ---------------------------------- |
| nUserID | int  | user index to get player index for |

Returns:

| Type | Description                      |
| ---- | -------------------------------- |
| int  | player index of given user index |

Code:

```lua
local nPlayerID = IEngine.GetPlayerForUserID(1)
```

### GetLocalPlayer

Returns:

| Type | Description                  |
| ---- | ---------------------------- |
| int  | entity index of local player |

Code:

```lua
local nLocalPlayerIndex = IEngine.GetLocalPlayer()
```

### GetViewAngles

Return value:

| Type                          | Description              |
| ----------------------------- | ------------------------ |
| [QAngle](../datatypes/qangle) | local player view angles |

Code:

```lua
local angViewPoint = IEngine.GetViewAngles()
```

### SetViewAngles

Parameters:

| Name         | Type                          | Description                         |
| ------------ | ----------------------------- | ----------------------------------- |
| angViewPoint | [QAngle](../datatypes/qangle) | view angles to set for local player |

Code:

```lua
IEngine.SetViewAngles(QAngle.new(-90.0, 180.0, 0.0))
```

### GetMaxClients

Returns:

| Type | Description                 |
| ---- | --------------------------- |
| int  | max client count for server |

Code:

```lua
local nMaxClients = IEngine.GetMaxClients()
```

### IsInGame

Returns:

| Type | Description           |
| ---- | --------------------- |
| bool | true if we're in-game |

Code:

```lua
local bIsInGame = IEngine.IsInGame()
```

### IsConnected

Returns:

| Type | Description                                            |
| ---- | ------------------------------------------------------ |
| bool | true if we're connected (connection message was shown) |

Code:

```lua
local bIsConnected = IEngine.IsConnected()
```

### GetLevelName

Returns:

| Type   | Description           |
| ------ | --------------------- |
| string | current map full name |

Code:

```lua
local szLevelName = IEngine.GetLevelName()
```

### GetLevelNameShort

Returns:

| Type   | Description            |
| ------ | ---------------------- |
| string | current map short name |

Code:

```lua
local szShortLevelName = IEngine.GetLevelNameShort()
```

### GetMapGroupName

Returns:

| Type   | Description            |
| ------ | ---------------------- |
| string | current map group name |

Code:

```lua
local szMapGroupName = IEngine.GetMapGroupName()
```

### GetNetChannelInfo

Returns:

| Type                                            | Description                 |
| ----------------------------------------------- | --------------------------- |
| [INetChannelInfo\*](../classes/inetchannelinfo) | pointer of net channel info |

Code:

```lua
local pNetChannelInfo = IEngine.GetNetChannelInfo()
```

### IsPlayingDemo

Returns:

| Type | Description                       |
| ---- | --------------------------------- |
| bool | true if demo is being played back |

Code:

```lua
local bIsPlayingDemo = IEngine.IsPlayingDemo()
```

### IsRecordingDemo

Returns:

| Type | Description                    |
| ---- | ------------------------------ |
| bool | true if demo is being recorded |

Code:

```lua
local bIsRecordingDemo = IEngine.IsRecordingDemo()
```

### IsPaused

Returns:

| Type | Description            |
| ---- | ---------------------- |
| bool | true if game is paused |

Code:

```lua
local bIsPaused = IEngine.IsPaused()
```

### IsHLTV

Returns:

| Type | Description                                   |
| ---- | --------------------------------------------- |
| bool | true if currently used HLTV (kill replay etc) |

Code:

```lua
local bIsHLTV = IEngine.IsHLTV()
```

### ExecuteClientCmd

Parameters:

| Name        | Type   | Description                              |
| ----------- | ------ | ---------------------------------------- |
| szCmdString | string | command to execute (without flag checks) |

Code:

```lua
IEngine.ExecuteClientCmd("say console log")
```
