/// <summary>Applies the patch to the part node.</summary>
/// <param name="partNode">The part node to patch.</param>
/// <param name="patch">The patch to apply.</param>
/// <param name="loadContext">The context in which the part is being patched.</param>
public static void PatchNode(
ConfigNode partNode, ConfigNodePatch patch, LoadContext loadContext)
{
ArgumentGuard.NotNull(partNode, "partNode", context: patch);
ArgumentGuard.NotNull(patch, "patchNode", context: patch);
ArgumentGuard.OneOf(loadContext, "loadContext", new[] { LoadContext.SFS, LoadContext.Craft },
context: patch);
var partName = GetPartNameFromUpgradeNode(partNode, loadContext);
Preconditions.OneOf(patch.upgradeSection.partRules.action,
new[] { ConfigNodePatch.PatchAction.Drop, ConfigNodePatch.PatchAction.Fix },
context: patch);
var oldPartNode = partNode.CreateCopy();
var partId = GetPartId(partNode, loadContext);
var partContext = "Part=" + partId[0] + "#id=" + partId[1];
ApplyPatchToNode(partNode, patch.upgradeSection.partRules, partContext,
isPartCraftContext: loadContext == LoadContext.Craft);
if (patch.upgradeSection.partRules.action == ConfigNodePatch.PatchAction.Fix)
{
for (var i = 0; i < patch.upgradeSection.moduleRules.Count; ++i)
{
var moduleRules = patch.upgradeSection.moduleRules[i];
var moduleContext = partContext + "#Module=" + moduleRules.name + "#Rule=" + i;
ConfigNode targetModuleNode;
if (moduleRules.action == ConfigNodePatch.PatchAction.Add)
{
DebugEx.Warning("[UpgradePipeline][{0}] Action: ADD NODE", moduleContext);
targetModuleNode = partNode.AddNode("MODULE");
targetModuleNode.SetValue("name", moduleRules.name, "*** added by compatibility patch",
createIfNotFound: true);
}
else
{
targetModuleNode = LookupModule(partNode, moduleRules.name);
Preconditions.NotNull(
targetModuleNode, message: "Cannot find module for UPGRADE", context: patch);
}
ApplyPatchToNode(targetModuleNode, moduleRules, moduleContext);
}
}
if (patch.verboseLogging)
{
DebugEx.Warning("Part node has been patched:\nOriginal node:\n{0}\nNew node:\n{1}",
oldPartNode, partNode);
}
}
/// <summary>Makes pacth from a config node.</summary>
/// <remarks>
/// The critical settings will be checked for the sane values. If a bad value found, then the
/// menthod will throw.
/// </remarks>
/// <param name="node">The node to create from.</param>
/// <param name="context">
/// The context of node loading. It can be any object, e.g. <c>UrlDir.UrlConfig</c> or
/// <c>ConfigNode</c>. It's only used for logging errors to give a context for debugging.
/// </param>
/// <param name="url">The URL to the node in the game's DB.</param>
/// <returns>The patch. It's never <c>null.</c></returns>
static ConfigNodePatch MakeFromNodeInternal(ConfigNode node, object context, string url = null)
{
var patchNode = new ConfigNodePatch();
if (url != null)
{
patchNode.sourceConfigUrl = url;
}
ConfigAccessor.ReadFieldsFromNode(node, patchNode.GetType(), patchNode);
// Sanity check of the test rules.
Preconditions.ConfValueExists(patchNode.name, "node/name", context: context);
Preconditions.ConfValueExists(patchNode.testSection, "node/TEST", context: context);
Preconditions.ConfValueExists(
patchNode.testSection.partTests, "node/TEST/PART", context: context);
Preconditions.ConfValueExists(
patchNode.testSection.partTests.GetValue("name"), "node/TEST/PART/name", context: context);
foreach (var moduleNode in patchNode.testSection.moduleTests)
{
Preconditions.ConfValueExists(
moduleNode.GetValue("name"), "node/TEST/MODULE/name", context: context);
}
// Sanity check of the upgrade rules
Preconditions.ConfValueExists(patchNode.upgradeSection, "node/UPGRADE", context: context);
Preconditions.ConfValueExists(
patchNode.upgradeSection.partRules, "node/UPGRADE/PART", context: context);
Preconditions.OneOf(patchNode.upgradeSection.partRules.action,
new[] { PatchAction.Drop, PatchAction.Fix },
"node/UPGRADE/PART/action", context: context);
foreach (var moduleRule in patchNode.upgradeSection.moduleRules)
{
Preconditions.ConfValueExists(moduleRule.name, "node/TEST/MODULE/name", context: context);
}
// Check the patch age.
var patchAgeDays = (DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalDays
- patchNode.patchCreationTimestamp / (24 * 60 * 60);
if (patchAgeDays > 180)
{
DebugEx.Warning("Patch is too old: patch={0}, age={1} days", patchNode, patchAgeDays);
}
return(patchNode);
}
/// <summary>Returns patch nodes for the tag.</summary>
/// <remarks>
/// This call can be very expensive. It's strongly encouraged to implement a lazy access approach
/// and cache the returned values.
/// </remarks>
/// <param name="modName">
/// The mod to find the nodes for. If it's <c>null</c> or empty, then all the nodes will be
/// returned.
/// </param>
/// <returns>The patch nodes for the mod.</returns>
public static ConfigNodePatch[] GetPatches(string modName)
{
var patchConfigs = GameDatabase.Instance.GetConfigs("COMPATIBILITY");
var patches = new List <ConfigNodePatch>();
foreach (var patchConfig in patchConfigs)
{
try {
var patch = ConfigNodePatch.MakeFromConfig(patchConfig);
if (string.IsNullOrEmpty(modName) || patch.modName == modName)
{
patches.Add(patch);
}
} catch (Exception ex) {
DebugEx.Error("Skipping bad patch node: {0}", ex.Message);
continue;
}
}
return(patches.ToArray());
}
/// <summary>Tests if the patch can be applied to the part node.</summary>
/// <param name="partNode">The part node to test against.</param>
/// <param name="patch">The patch to test.</param>
/// <param name="loadContext">The context in which the part is being patched.</param>
/// <param name="quietMode">Tells if anything should be reported to the logs.</param>
/// <returns><c>true</c> if the TEST rules of the patch have matched.</returns>
public static bool TestPatch(ConfigNode partNode, ConfigNodePatch patch, LoadContext loadContext,
bool quietMode = false)
{
ArgumentGuard.NotNull(patch, "patch", context: patch);
ArgumentGuard.NotNull(partNode, "partNode", context: patch);
ArgumentGuard.OneOf(loadContext, "loadContext", new[] { LoadContext.SFS, LoadContext.Craft },
context: patch);
if (partNode.name == "$DELETED" ||
patch.loadContext != LoadContext.Any && patch.loadContext != loadContext)
{
return(false); // This node doesn't need patching.
}
// Check if the part definition matches.
var partName = GetPartNameFromUpgradeNode(partNode, loadContext);
Preconditions.NotNullOrEmpty(partName, message: "part config node", context: partNode);
var patchName = patch.testSection.partTests.GetValue("name");
Preconditions.NotNullOrEmpty(patchName, message: "TEST/PART/name", context: patch);
if (patchName != partName)
{
return(false); // Not for this part.
}
if (patch.verboseLogging && !quietMode)
{
DebugEx.Warning("Testing conditions: patch={0}, part={1}", patch, partName);
}
if (!CheckPatchValues(patch.testSection.partTests, partNode))
{
if (patch.verboseLogging && !quietMode)
{
DebugEx.Warning(
"PART test rules haven't matched: patch={0}\nTest node:\n{1}\nPartNode:\n{2}",
patch, patch.testSection.partTests, partNode);
}
return(false);
}
// Check if the part modules definition matches. This one is tricky.
foreach (var moduleTests in patch.testSection.moduleTests)
{
var modulePattern = moduleTests.GetValue("name");
Preconditions.NotNullOrEmpty(modulePattern, context: moduleTests);
var targetModuleNode = LookupModule(partNode, modulePattern);
if (targetModuleNode == null)
{
if (patch.verboseLogging && !quietMode)
{
DebugEx.Warning(
"MODULE cannot be found: patch={0}, moduleName={1}\nPartNode:\n{2}",
patch, modulePattern, partNode);
}
return(false);
}
if (!CheckPatchValues(moduleTests, targetModuleNode))
{
if (patch.verboseLogging && !quietMode)
{
DebugEx.Warning(
"MODULE test rules haven't matched: patch={0}\nTest node:\n{1}\nModeleNode:\n{2}",
patch, moduleTests, targetModuleNode);
}
return(false);
}
}
if (patch.verboseLogging && !quietMode)
{
DebugEx.Warning("Patch matched the part: patch={0}, part={1}", patch, partName);
}
return(true);
}