conco/OpenMaidEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

Implement ADV layout cursor and bounds

Browse Source
This commit is contained in:
gamer147
2026-07-21 09:48:25 -04:00
parent a29bd52045
commit d0b2d31d2e
12 changed files with 301 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
engine/Age.Engine/Vm/AdvTextLayoutBootstrap.cs
View File

@@ -14,6 +14,9 @@ public static class AdvTextLayoutBootstrap
{
int? defineOpcode = table.ByLabel("define-adv-text-layout");
int? resetOpcode = table.ByLabel("reset-adv-text-layout");
int? resetCursorOpcode = table.ByLabel("set-adv-text-reset-cursor");
int? boundsOpcode = table.ByLabel("set-adv-text-bounds");
int? addOpcode = table.ByLabel("add");
if (defineOpcode == null || resetOpcode == null) return 0;
bool foundDefinition = false;
@@ -46,6 +49,81 @@ public static class AdvTextLayoutBootstrap
}
break;
}
// SYSTEM4 configures the cursor restored by future resets and the right/bottom overflow bounds
// after the initial define/reset run. Most operands are immediate; slot 1 computes its bounds with
// two constant add instructions. Interpret only that small, data-only expression vocabulary rather
// than entering SYSTEM4's later menu/session flow.
if (resetCursorOpcode != null && boundsOpcode != null)
{
var localInts = new Dictionary<int, long>();
bool inLayoutBlock = false;
int cursorConfigurations = 0;
int boundConfigurations = 0;
foreach (var instruction in systemScript.Instructions)
{
if (!inLayoutBlock)
{
if (instruction.Opcode != defineOpcode.Value) continue;
inLayoutBlock = true;
}
if (addOpcode != null && instruction.Opcode == addOpcode.Value)
{
if (instruction.Args.Count == 3 && instruction.Args[0].Type == 9
&& TryResolveConstant(instruction.Args[1], localInts, out long left)
&& TryResolveConstant(instruction.Args[2], localInts, out long right))
localInts[checked((int)instruction.Args[0].Value)] = left + right;
continue;
}
if (instruction.Opcode == resetCursorOpcode.Value)
{
var values = ResolveConfiguration(instruction, localInts, systemScript.Name);
history.SetResetCursor(values[0], values[1], values[2]);
cursorConfigurations++;
}
else if (instruction.Opcode == boundsOpcode.Value)
{
var values = ResolveConfiguration(instruction, localInts, systemScript.Name);
history.SetBounds(values[0], values[1], values[2]);
boundConfigurations++;
}
if (cursorConfigurations >= definitions && boundConfigurations >= definitions) break;
}
}
return definitions;
}
private static int[] ResolveConfiguration(
Instruction instruction, IReadOnlyDictionary<int, long> localInts, string scriptName)
{
if (instruction.Args.Count != 3)
throw new InvalidDataException(
$"{scriptName}@0x{instruction.Offset:x}: ADV layout configuration must use three operands");
var values = new int[3];
for (int i = 0; i < values.Length; i++)
{
if (!TryResolveConstant(instruction.Args[i], localInts, out long value))
throw new InvalidDataException(
$"{scriptName}@0x{instruction.Offset:x}: ADV layout configuration operand {i + 1} " +
"is not an immediate or constant local integer");
values[i] = checked((int)value);
}
return values;
}
private static bool TryResolveConstant(
Operand operand, IReadOnlyDictionary<int, long> localInts, out long value)
{
if (operand.Type == 0)
{
value = operand.Value;
return true;
}
if (operand.Type == 9 && localInts.TryGetValue(checked((int)operand.Value), out value)) return true;
value = 0;
return false;
}
}