Restore multi-row ADV History display

2026-07-19 10:57:58 -04:00
parent 280705d69c
commit c30cf6cb08
5 changed files with 142 additions and 11 deletions
--- a/engine/Age.Engine/Vm/AdvTextLayoutBootstrap.cs
+++ b/engine/Age.Engine/Vm/AdvTextLayoutBootstrap.cs
@@ -0,0 +1,51 @@
+using Age.Engine.Model;
+
+namespace Age.Engine.Vm;
+
+/// <summary>
+/// Replays the data-only leading ADV layout block from an engine system script. This lets a bounded
+/// single-scene runner inherit script-owned layout state without hard-coding one game's coordinates or
+/// entering the system script's later menu/session control flow.
+/// </summary>
+public static class AdvTextLayoutBootstrap
+{
+    public static int ApplyLeadingDefinitionsAndResets(
+        Script systemScript, OpcodeTable table, AdvTextHistory history)
+    {
+        int? defineOpcode = table.ByLabel("define-adv-text-layout");
+        int? resetOpcode = table.ByLabel("reset-adv-text-layout");
+        if (defineOpcode == null || resetOpcode == null) return 0;
+
+        bool foundDefinition = false;
+        bool resetPhase = false;
+        int definitions = 0;
+        foreach (var instruction in systemScript.Instructions)
+        {
+            if (!foundDefinition && instruction.Opcode != defineOpcode.Value) continue;
+            if (instruction.Opcode == defineOpcode.Value && !resetPhase)
+            {
+                if (instruction.Args.Count != 5 || instruction.Args.Any(arg => arg.Type != 0))
+                    throw new InvalidDataException(
+                        $"{systemScript.Name}@0x{instruction.Offset:x}: leading ADV layout must use five immediates");
+                history.DefineLayout(
+                    checked((int)instruction.Args[0].Value), checked((int)instruction.Args[1].Value),
+                    checked((int)instruction.Args[2].Value), checked((int)instruction.Args[3].Value),
+                    checked((int)instruction.Args[4].Value));
+                foundDefinition = true;
+                definitions++;
+                continue;
+            }
+            if (foundDefinition && instruction.Opcode == resetOpcode.Value)
+            {
+                if (instruction.Args.Count != 1 || instruction.Args[0].Type != 0)
+                    throw new InvalidDataException(
+                        $"{systemScript.Name}@0x{instruction.Offset:x}: leading ADV reset must use one immediate");
+                resetPhase = true;
+                history.ResetLayout(checked((int)instruction.Args[0].Value));
+                continue;
+            }
+            break;
+        }
+        return definitions;
+    }
+}