Add battlefield visuals and camp talk slice

tools/validate_data.ps1

@@ -500,6 +500,9 @@ function Check-Deployment($Deployment, [string]$ScenarioId, [int]$Width, [int]$H
     if (Has-Prop $Deployment "portrait") {
         Check-Portrait-Path (Get-Prop $Deployment "portrait" "") "Scenario $ScenarioId deployment $unitId portrait"
     }
+    if (Has-Prop $Deployment "sprite") {
+        Check-Portrait-Path (Get-Prop $Deployment "sprite" "") "Scenario $ScenarioId deployment $unitId sprite"
+    }
     if (Has-Prop $Deployment "requires_joined") {
         if (-not ((Get-Prop $Deployment "requires_joined" $false) -is [bool])) {
             Fail "Scenario $ScenarioId deployment $unitId requires_joined must be boolean."
@@ -871,6 +874,9 @@ function Check-Item-Effects() {
         $itemId = $itemProp.Name
         $item = $itemProp.Value
         $kind = [string](Get-Prop $item "kind" "")
+        if (Has-Prop $item "icon") {
+            Check-Portrait-Path (Get-Prop $item "icon" "") "Item $itemId icon"
+        }
         if (-not $validItemKinds.Contains($kind)) {
             Fail "Item $itemId has unknown kind: $kind"
         }
@@ -1197,6 +1203,25 @@ function Check-Shop($Shop, [string]$ScenarioId) {
     if (Has-Prop $Shop "stock") {
         Check-Shop-Stock-Block $Shop.stock $seenShopItems "Scenario $ScenarioId shop"
     }
+    if (Has-Prop $Shop "merchant") {
+        $merchant = Get-Prop $Shop "merchant" $null
+        if ($null -eq $merchant -or $merchant -is [string] -or $merchant -is [System.Array]) {
+            Fail "Scenario $ScenarioId shop merchant must be an object."
+        }
+        $merchantName = [string](Get-Prop $merchant "name" "Merchant")
+        if ([string]::IsNullOrWhiteSpace($merchantName)) {
+            Fail "Scenario $ScenarioId shop merchant has an empty name."
+        }
+        $merchantLines = Get-Prop $merchant "lines" $null
+        if ($null -eq $merchantLines -or -not ($merchantLines -is [System.Array])) {
+            Fail "Scenario $ScenarioId shop merchant must have line array."
+        }
+        foreach ($merchantLine in @($merchantLines)) {
+            if ([string]::IsNullOrWhiteSpace([string]$merchantLine)) {
+                Fail "Scenario $ScenarioId shop merchant has an empty line."
+            }
+        }
+    }
 
     $conditionalItems = Get-Prop $Shop "conditional_items" @()
     foreach ($block in @($conditionalItems)) {
@@ -1670,6 +1695,9 @@ function Check-Briefing($Briefing, [string]$ScenarioId) {
             Fail "Scenario $ScenarioId briefing has an empty line."
         }
     }
+    foreach ($line in @((Get-Prop $Briefing "camp_dialogue" @()))) {
+        Check-Dialogue-Line $line "Scenario $ScenarioId briefing camp_dialogue"
+    }
 
     $conditionalLines = Get-Prop $Briefing "conditional_lines" @()
     foreach ($block in @($conditionalLines)) {
@@ -1814,6 +1842,9 @@ Check-Class-Promotions
 
 foreach ($classProp in $classes.PSObject.Properties) {
     Check-Skill-Refs (Get-Prop $classProp.Value "skills" @()) "Class $($classProp.Name)"
+    if (Has-Prop $classProp.Value "sprite") {
+        Check-Portrait-Path (Get-Prop $classProp.Value "sprite" "") "Class $($classProp.Name) sprite"
+    }
 }
 
 $officerNames = New-Object System.Collections.Generic.HashSet[string]
@@ -1842,6 +1873,9 @@ foreach ($scenario in $campaign.scenarios) {
     }
 
     $map = $scenarioData.map
+    if (Has-Prop $map "background") {
+        Check-Portrait-Path (Get-Prop $map "background" "") "Scenario $scenarioId map background"
+    }
     $width = [int]$map.width
     $height = [int]$map.height
     $rows = @($map.terrain)