Setup project to auto-grab dependencies directory from a fork of the odin repo.

.gitignore

@@ -1,2 +1,3 @@
 build/**
 *.exe
+thirdparty/**

code/api.odin

@@ -125,6 +125,7 @@ render :: proc()
 	draw_text( "Monitor      : %v", rl.GetMonitorName(0) )
 	draw_text( "Screen Width : %v", rl.GetScreenWidth() )
 	draw_text( "Screen Height: %v", rl.GetScreenHeight() )
+	// draw_text( "HOT RELOAD BITCHES" )
 
 	draw_debug_text_y = 50
 }

scripts/build.ps1

@@ -1,9 +1,14 @@
 cls
 
+$incremental_checks = Join-Path $PSScriptRoot 'helpers/incremental_checks.ps1'
+. $incremental_checks
+
 $path_root       = git rev-parse --show-toplevel
-$path_code       = join-path $path_root 'code'
-$path_build      = join-path $path_root 'build'
-$path_thirdparty = join-path $path_root 'thirdparty'
+$path_code       = join-path $path_root       'code'
+$path_build      = join-path $path_root       'build'
+$path_scripts    = join-path $path_root       'scripts'
+$path_thirdparty = join-path $path_root       'thirdparty'
+$path_odin       = join-path $path_thirdparty 'odin'
 
 # Odin Compiler Flags
 
@@ -52,9 +57,16 @@ $flag_use_lld                             = '-lld'
 
 push-location $path_root
 
+	$update_deps = join-path $path_scripts 'update_deps.ps1'
+	$odin        = join-path $path_odin    'odin.exe'
+	write-host 'OdinPATH: ' + $odin
+
 	if ( -not( test-path 'build') ) {
 		new-item -ItemType Directory -Path 'build'
 	}
+
+	& $update_deps
+
 	function build-prototype
 	{
 		$host_process_active = Get-Process | Where-Object {$_.Name -like 'sectr_host*'}
@@ -65,7 +77,10 @@ push-location $path_root
 		$executable   = join-path $path_build ($project_name + '_host.exe')
 		$pdb          = join-path $path_build ($project_name + '_host.pdb')
 
-		if ( -not($host_process_active)) {
+		$module_host = join-path $path_code 'host'
+
+		$should_build = check-ModuleForChanges $module_host
+		if ( -not($host_process_active) -and $should_build ) {
 			$build_args = @()
 			$build_args += $flag_build
 			$build_args += './host'
@@ -75,31 +90,31 @@ push-location $path_root
 			$build_args += $flag_pdb_name + $pdb
 			$build_args += $flag_subsystem + 'windows'
 
-			& odin $build_args
-
-			$third_party_dlls = Get-ChildItem -Path $path_thirdparty -Filter '*.dll'
-			foreach ($dll in $third_party_dlls) {
-					$destination = join-path $path_build $dll.Name
-					Copy-Item $dll.FullName -Destination $destination -Force
-			}
+			write-host 'Building Host Module'
+			& $odin $build_args
 		}
 		else {
 			write-host 'Skipping sectr_host build, process is active'
 		}
 
-		$module_dll = join-path $path_build ( $project_name + '.dll' )
-		$pdb        = join-path $path_build ( $project_name + '.pdb' )
+		$module_sectr = $path_code
+		$should_build = check-ModuleForChanges $module_sectr
+		if ( $should_build ) {
+			$module_dll = join-path $path_build ( $project_name + '.dll' )
+			$pdb        = join-path $path_build ( $project_name + '.pdb' )
 
-		$build_args = @()
-		$build_args += $flag_build
-		$build_args += '.'
-		$build_args += $flag_build_mode_dll
-		$build_args += $flag_output_path + $module_dll
-		$build_args += $flag_optimize_none
-		$build_args += $flag_debug
-		$build_args += $flag_pdb_name + $pdb
+			$build_args = @()
+			$build_args += $flag_build
+			$build_args += '.'
+			$build_args += $flag_build_mode_dll
+			$build_args += $flag_output_path + $module_dll
+			$build_args += $flag_optimize_none
+			$build_args += $flag_debug
+			$build_args += $flag_pdb_name + $pdb
 
-		& odin $build_args
+			write-host 'Building Sectr Module'
+			& $odin $build_args
+		}
 
 		Pop-Location
 	}

scripts/helpers/incremental_checks.ps1

@@ -0,0 +1,73 @@
+# This is meant to be used with build.ps1, and is not a standalone script.
+
+function check-FileForChanges
+{
+    param(
+        [Parameter(Mandatory=$true)]
+        [string]$path_file
+    )
+
+    if (-not (Test-Path $path_file -PathType Leaf)) {
+        Write-Error "The provided path is not a valid file: $path_file"
+        return $false
+    }
+    $file_name = Split-Path $path_file -Leaf
+    $path_csv  = Join-Path $path_build ($file_name + "_file_hash.csv")
+
+    $csv_file_hash = $null
+    if (Test-Path $path_csv) {
+        $csv_file_hash = Import-Csv $path_csv | Select-Object -ExpandProperty value
+    }
+
+    $current_hash_info = Get-FileHash -Path $path_file -Algorithm MD5
+    $current_file_hash = $current_hash_info.Hash
+
+    # Save the current hash to the CSV
+    [PSCustomObject]@{
+        name  = $path_file
+        value = $current_file_hash
+    } | Export-Csv $path_csv -NoTypeInformation
+
+    if ($csv_file_hash -and $csv_file_hash -eq $current_file_hash) {
+        return $false
+    } else {
+        return $true
+    }
+}
+
+# Check to see if the module has changed files since the last build
+function check-ModuleForChanges
+{
+	param( [string]$path_module, [array]$excludes )
+
+	$module_name = split-path $path_module -leaf
+	$path_csv    = Join-Path $path_build ($module_name + "_module_hashes.csv")
+
+	$csv_file_hashes = $null
+	if ( test-path $path_csv ) {
+		$csv_file_hashes = @{}
+		import-csv $path_csv | foreach-object {
+			$csv_file_hashes[ $_.name ] = $_.value
+		}
+	}
+
+	$file_hashes = @{}
+	get-childitem -path $path_module -recurse -file -Exclude $excludes | foreach-object {
+		$id                 = $_.fullname
+		$hash_info          = get-filehash -path $id -Algorithm MD5
+		$file_hashes[ $id ] = $hash_info.Hash
+	}
+
+	$file_hashes.GetEnumerator() | foreach-object { [PSCustomObject]$_ } |
+		export-csv $path_csv -NoTypeInformation
+
+	if ( -not $csv_file_hashes )                         { return $true }
+	if ( $csv_file_hashes.Count -ne $file_hashes.Count ) { return $true }
+
+	foreach ( $key in $csv_file_hashes.Keys ) {
+		if ( $csv_file_hashes[ $key ] -ne $file_hashes[ $key ] ) {
+			return $true
+		}
+	}
+	return $false
+}

scripts/update_deps.ps1

@@ -0,0 +1,65 @@
+write-host 'Updating Dependencies..'
+
+$path_root       = git rev-parse --show-toplevel
+$path_code       = join-path $path_root 'code'
+$path_build      = join-path $path_root 'build'
+$path_thirdparty = join-path $path_root 'thirdparty'
+
+$url_odin_repo = 'https://github.com/Ed94/Odin.git'
+$path_odin     = join-path $path_thirdparty 'Odin'
+
+$incremental_checks = Join-Path $PSScriptRoot 'helpers/incremental_checks.ps1'
+. $incremental_checks
+
+if ( -not(Test-Path $path_thirdparty) ) {
+	new-item -ItemType Directory -Path $path_thirdparty
+}
+
+push-location $path_thirdparty
+
+if (Test-Path -Path $path_odin)
+{
+	Write-Host "Checking for updates in the Odin repository..."
+	git -C $path_odin fetch
+
+	# Get the latest local and remote commit hashes for the current branch
+	$localCommit  = git -C $path_odin rev-parse HEAD
+	$remoteCommit = git -C $path_odin rev-parse '@{u}'
+
+	# Compare local and remote commits
+	if ($localCommit -ne $remoteCommit) 
+	{
+			Write-Host "Odin repository is out-of-date. Pulling changes and rebuilding..."
+			git -C $path_odin pull
+			push-location $path_odin
+			& .\build.bat
+			pop-location
+	}
+	else
+	{
+			Write-Host "Odin repository is up-to-date. No need to rebuild."
+	}
+}
+else
+{
+	# Odin directory does not exist, so clone the repository
+	Write-Host "Cloning Odin repository..."
+	git clone $url_odin_repo $path_odin
+	push-location $path_odin
+	& .\build.bat
+	pop-location
+}
+
+write-host 'Odin up to date'
+
+$path_vendor        = join-path $path_odin          'vendor'
+$path_vendor_raylib = join-path $path_vendor        'raylib'
+$path_raylib_dlls   = join-path $path_vendor_raylib 'windows'
+
+$third_party_dlls = Get-ChildItem -Path $path_raylib_dlls -Filter '*.dll'
+foreach ($dll in $third_party_dlls) {
+		$destination = join-path $path_build $dll.Name
+		Copy-Item $dll.FullName -Destination $destination -Force
+}
+
+pop-location