From e3595393c85cbffa4fd604527e747bc701a2d5f4 Mon Sep 17 00:00:00 2001
From: lolbot-iichan
Date: Mon, 27 Aug 2018 01:03:43 +0300
Subject: WINTERMUTE: Add FoxTail arrays methods Game.Split(str,sep) is added
 to split string into array of substrings with separator array.Delete(index)
 is added to delete an array item by index

---
 engines/wintermute/base/base_game.cpp              | 39 ++++++++++++++++++++++
 .../base/scriptables/script_ext_array.cpp          | 34 +++++++++++++++++--
 2 files changed, 70 insertions(+), 3 deletions(-)

diff --git a/engines/wintermute/base/base_game.cpp b/engines/wintermute/base/base_game.cpp
index a0659cac86..16ad1f51a2 100644
--- a/engines/wintermute/base/base_game.cpp
+++ b/engines/wintermute/base/base_game.cpp
@@ -48,6 +48,7 @@
 #include "engines/wintermute/base/base_surface_storage.h"
 #include "engines/wintermute/base/saveload.h"
 #include "engines/wintermute/base/save_thumb_helper.h"
+#include "engines/wintermute/base/scriptables/script_ext_array.h"
 #include "engines/wintermute/base/scriptables/script_value.h"
 #include "engines/wintermute/base/scriptables/script_engine.h"
 #include "engines/wintermute/base/scriptables/script_stack.h"
@@ -3114,6 +3115,44 @@ bool BaseGame::externalCall(ScScript *script, ScStack *stack, ScStack *thisStack
 		stack->pushBool(val);
 	}
 
+#ifdef ENABLE_FOXTAIL
+	//////////////////////////////////////////////////////////////////////////
+	// [FoxTail] Split
+	// Returns array of words of a string, using another as a delimeter
+	// Used to split strings by 1 character delimeter in various scripts
+	// All the delimeters ever used in FoxTail are: " ", "@", "#", "$", "&"
+	// So, this implementation takes 1st char of delimeter string only
+	//////////////////////////////////////////////////////////////////////////
+	else if (strcmp(name, "Split") == 0) {
+		stack->correctParams(2);
+		const char *str = stack->pop()->getString();
+		const char sep = stack->pop()->getString()[0];
+		size_t size = strlen(str) + 1;
+
+		// There is no way to makeSXArray() with exactly 1 given element
+		// That's why we are creating empty Array and SXArray::push() later
+		stack->pushInt(0);
+		BaseScriptable *arr = makeSXArray(_gameRef, stack);
+
+		// Iterating string copy, replacing delimeter with '\0' and pushing matches
+		char *copy = new char[size];
+		strcpy(copy, str);
+		char *begin = copy;
+		for (char *it = copy; it < copy + size; it++) {
+			if (*it == sep || *it == '\0') {
+				*it = '\0';
+				stack->pushString(begin);
+				((SXArray *)arr)->push(stack->pop());
+				begin = it + 1;
+			}
+		}
+
+		stack->pushNative(arr, false);
+
+		delete[] copy;
+	}
+#endif
+
 	//////////////////////////////////////////////////////////////////////////
 	// failure
 	else {
diff --git a/engines/wintermute/base/scriptables/script_ext_array.cpp b/engines/wintermute/base/scriptables/script_ext_array.cpp
index 7431029cbf..05effd991e 100644
--- a/engines/wintermute/base/scriptables/script_ext_array.cpp
+++ b/engines/wintermute/base/scriptables/script_ext_array.cpp
@@ -118,8 +118,7 @@ bool SXArray::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack,
 	//////////////////////////////////////////////////////////////////////////
 	// Pop
 	//////////////////////////////////////////////////////////////////////////
-	if (strcmp(name, "Pop") == 0) {
-
+	else if (strcmp(name, "Pop") == 0) {
 		stack->correctParams(0);
 
 		if (_length > 0) {
@@ -133,7 +132,36 @@ bool SXArray::scCallMethod(ScScript *script, ScStack *stack, ScStack *thisStack,
 		}
 
 		return STATUS_OK;
-	} else {
+	} 
+	
+#ifdef ENABLE_FOXTAIL
+	//////////////////////////////////////////////////////////////////////////
+	// [FoxTail] Delete
+	// Removes item from array by index, shifting other elements
+	// Used to shuffle arrays and delete found items in various scripts
+	// Return value is never used
+	//////////////////////////////////////////////////////////////////////////
+	else if (strcmp(name, "Delete") == 0) {
+		stack->correctParams(1);
+
+		int shiftPoint = stack->pop()->getInt(0);
+		char paramNameFrom[20];
+		char paramNameTo[20];
+
+		for (int i = shiftPoint; i < _length - 1 ; i++) {
+			sprintf(paramNameFrom, "%d", i + 1);
+			sprintf(paramNameTo, "%d", i);
+			_values->setProp(paramNameTo, _values->getProp(paramNameFrom), false);
+		}
+		_values->deleteProp(paramNameFrom);
+		_length--;
+		stack->pushNULL();
+
+		return STATUS_OK;
+	}
+#endif
+
+	else {
 		return STATUS_FAILED;
 	}
 }
-- 
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