SCI: fix script patcher for games w/o vocab

1 files changed, 10 insertions, 2 deletions

diff --git a/engines/sci/engine/kernel.cpp b/engines/sci/engine/kernel.cpp
index 8d55790ad2..12746e17d6 100644
--- a/engines/sci/engine/kernel.cpp
+++ b/engines/sci/engine/kernel.cpp
@@ -35,8 +35,6 @@ namespace Sci {
 
 Kernel::Kernel(ResourceManager *resMan, SegManager *segMan)
 	: _resMan(resMan), _segMan(segMan), _invalid("<invalid>") {
-	loadSelectorNames();
-	mapSelectors();      // Map a few special selectors for later use
 }
 
 Kernel::~Kernel() {
@@ -53,6 +51,11 @@ Kernel::~Kernel() {
 	}
 }
 
+void Kernel::init() {
+	loadSelectorNames();
+	mapSelectors();      // Map a few special selectors for later use
+}
+
 uint Kernel::getSelectorNamesSize() const {
 	return _selectorNames.size();
 }
@@ -104,6 +107,11 @@ int Kernel::findSelector(const char *selectorName) const {
 	return -1;
 }
 
+// used by Script patcher to figure out, if it's okay to initialize signature/patch-table
+bool Kernel::selectorNamesAvailable() {
+	return !_selectorNames.empty();
+}
+
 void Kernel::loadSelectorNames() {
 	Resource *r = _resMan->findResource(ResourceId(kResourceTypeVocab, VOCAB_RESOURCE_SELECTORS), 0);
 	bool oldScriptHeader = (getSciVersion() == SCI_VERSION_0_EARLY);