HE: Add setupStringArrayFromString()

It's based on PUI_ScummStringArrayFromCString(), which is used as
SPUTM_ScummStringArrayFromCString() in Moonbase networking code.

2 files changed, 19 insertions, 1 deletions

diff --git a/engines/scumm/he/intern_he.h b/engines/scumm/he/intern_he.h
index 95f6f2cf8d..8d7ed81dd8 100644
--- a/engines/scumm/he/intern_he.h
+++ b/engines/scumm/he/intern_he.h
@@ -288,7 +288,8 @@ public:
 
 	virtual byte *getStringAddress(ResId idx);
 	virtual int setupStringArray(int size);
-	void getStringFromArray(int arrayNumber, char *buffer, int maxLength);
+	virtual int setupStringArrayFromString(char *cStr);
+	virtual void getStringFromArray(int arrayNumber, char *buffer, int maxLength);
 
 protected:
 	virtual void setupOpcodes();
diff --git a/engines/scumm/he/script_v72he.cpp b/engines/scumm/he/script_v72he.cpp
index 192675190c..4385475a30 100644
--- a/engines/scumm/he/script_v72he.cpp
+++ b/engines/scumm/he/script_v72he.cpp
@@ -230,6 +230,23 @@ int ScummEngine_v72he::setupStringArray(int size) {
 	return readVar(0);
 }
 
+int ScummEngine_v72he::setupStringArrayFromString(char *cStr) {
+	// this is PUI_ScummStringArrayFromCString() found in PUSERMAC.cpp
+	// I can see how its done up there in setupStringArray()
+	// yet I'd note that 'SCUMMVAR_user_reserved' var was used instead of 0
+	// and strlen(), not strlen() + 1 was used
+	// plus, this function actually copies the string, not just 'sets up' the array
+
+	writeVar(0, 0);
+
+	int len = strlen(cStr);
+	byte *ptr = defineArray(0, kStringArray, 0, 0, 0, len);
+	if (ptr != nullptr)
+		strcpy((char*)ptr, cStr);
+
+	return readVar(0);
+}
+
 void ScummEngine_v72he::readArrayFromIndexFile() {
 	int num;
 	int a, b, c;