Public/Functions.ps1
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using namespace System using namespace System.Collections.Generic Set-StrictMode -Version Latest <# .SYNOPSIS TRANSITIONS THE CURRENT STATE OF THE GAME TO THE ONE SPECIFIED BY THE CALLER, ENSURING THE PREVIOUS STATE IS RETAINED. .PARAM NextState THE NEW STATE TO TRANSITION TO. BOUND TO THE ENUMERATION GAMESTATE. #> Function Set-NextGameState { Param( [GameState]$NextState ) $Script:PreviousGlobalState = $Script:GlobalState $Script:GlobalState = $NextState } <# .SYNOPSIS "RENDERS" AND DRAWS A "FRAME" TO THE TERMINAL SCREEN. #> Function Draw-Screen { [Console]::SetCursorPosition(0, 0) [List[String]]$Frame = [List[String]]::new() For([Int]$Y = 0; $Y -LT $Script:MapHeight; $Y++) { [Char[]]$Line = $Script:LevelData[$Script:CurrentLevel][$Y].ToCharArray() [String]$AddToFrame = '' # DRAW PLAYER IF ON THIS LINE If($Y -EQ $Script:ThePlayer.Y) { If($Script:ThePlayer.X -GE 0 -AND $Script:ThePlayer.X -LT $Line.Length) { $Line[$Script:ThePlayer.X] = $Script:ThePlayer.Symbol } $AddToFrame = "$(Format-ConsoleColor24 -Color $Script:ThePlayer.LineColor -Type Fg)" } $Frame.Add([String]::new("$($AddToFrame)$([String]::new($Line))")) } $Frame.Add("$($Script:MapNames[$Script:CurrentLevel])") $Frame.Add("POS: $($Script:ThePlayer.X),$($Script:ThePlayer.Y) | SPACE: Jump | Q: Quit ") ForEach($L in $Frame) { If($L -MATCH 'X') { Write-Host $L -ForegroundColor Yellow -NoNewline } ElseIf($L -MATCH $Script:ThePlayer.Symbol) { Write-Host $L -NoNewLine } Else { Write-Host $L -ForegroundColor Gray -NoNewline } Write-Host '' } } <# .SYNOPSIS PERFORMS COLLISION DETECTION WITH DIFFERENT CHARACTERS IN ADJACENT CELLS. .PARAM X THE "NEXT X" TO CHECK FOR A COLLISION AGAINST. .PARAM Y THE "NEXT Y" TO CHECK FOR A COLLISION AGAINST. #> Function Test-Collision { Param( [Int]$X, [Int]$Y ) If($Y -LT 0 -OR $Y -GE $Script:MapHeight -OR $X -LT 0 -OR $X -GE $Script:MapWidth) { Return $true } [Char]$C = $Script:LevelData[$Script:CurrentLevel][$Y][$X] If($C -EQ 'X') { Start-SfxPlayback "$($PSScriptRoot)\..\Resources\SFX\Pickup\Pickup0001.wav" $Script:GoalSfxPlaying Set-NextGameState GameWin Return $false } If($C -EQ '^') { Start-SfxPlayback "$($PSScriptRoot)\..\Resources\SFX\Damage\Damage029.wav" $Script:DamageSfxPlaying Set-NextGameState GameLose Return $false } If($C -EQ '#') { Return $true } Return $false } <# .SYNOPSIS PRIMES THE SFX PLAYER TO PLAY A SOUND EFFECT. .PARAM FILELOCATION THE LOCATION OF A WAV FILE TO LOAD INTO THE SFX PLAYER. .PARAM PLAYBACKFLAG THE PLAYBACK FLAG TO TOGGLE WHEN PLAYING THE WAVE FILE. #> Function Start-SfxPlayback { Param( [String]$FileLocation, [Boolean]$PlaybackFlag ) Switch($Script:PwshEdition) { 'Desktop' { If($PlaybackFlag -EQ $false) { Invoke-SfxPlayer $FileLocation $PlaybackFlag = $true } Break } 'Core' { If($IsWindows -EQ $true -AND $PlaybackFlag -EQ $false) { Invoke-SfxPlayer $FileLocation $PlaybackFlag = $true } Break } Default { Break } } } <# .SYNOPSIS STOPS THE SFX PLAYER, REGARDLESS OF WHAT'S PLAYING. .PARAM PLAYBACKFLAG THE PLAYBACK FLAG TO TOGGLE WHEN STOPPING THE SFX PLAYER. #> Function Stop-SfxPlayback { Param( [Boolean]$PlaybackFlag ) Switch($Script:PwshEdition) { 'Desktop' { $PlaybackFlag = $false Break } 'Core' { If($IsWindows -EQ $true) { $PlaybackFlag = $false } Break } Default { Break } } } <# .SYNOPSIS ACTUALLY PLAYS A WAV FILE. .PARAM FILELOCATION A FILE TO LOAD INTO THE SFX PLAYER TO PLAY. #> Function Invoke-SfxPlayer { Param( [String]$FileLocation ) If($null -NE $Script:SfxPlayer) { $Script:SfxPlayer.SoundLocation = $FileLocation $Script:SfxPlayer.LoadAsync() $Script:SfxPlayer.Play() } } <# .SYNOPSIS STARTS THE PSPLATFORMER GAME. #> Function Start-PSPlatformer { Clear-Host; Write-Host "`e[?25l" While($Script:Running -EQ $true) { & $Script:TheGameStateTable[$Script:GlobalState] Draw-Screen Start-Sleep -Milliseconds $Script:GAME_SPEED } Clear-Host } |