[saco] Update scriping.cpp/.h

* Implements ExecuteScriptBuf
* Implements InitScripting
* Adds ScriptCommand stub

saco/game/game.h

@@ -4,6 +4,7 @@
 #include "address.h"
 #include "audio.h"
 #include "camera.h"
+#include "scripting.h"
 
 //-----------------------------------------------------------
 

saco/game/scripting.cpp

@@ -1,5 +1,43 @@
 
 #include "../main.h"
 
+GAME_SCRIPT_THREAD* gst;
+FARPROC ProcessOneCommand = (FARPROC)0x469EB0;
+BYTE ScriptBuf[255];
+
 DWORD dwScmOpcodeDebug=0;
 BOOL bScmLocalDebug=FALSE;
+
+int __declspec(naked) ExecuteScriptBuf()
+{
+	__asm
+	{
+		mov bScmLocalDebug, 1;
+
+		mov eax, OFFSET ScriptBuf	// Move our script buffer base into eax.
+
+		mov ecx, gst				// Move GAME_SCRIPT_THREAD structure into ecx.
+		mov [ecx+0x14], eax			// Move eax into the gst->dwScriptIP.
+
+		call ProcessOneCommand		// Call the game's script opcode processor.
+
+		mov ecx, gst				// Move game script thread into ecx again.
+		mov eax, [ecx+0xC5]			// Move the dwIfFlag into eax (return value).
+
+		mov bScmLocalDebug, 0;
+
+		ret							// return.
+	}
+}
+
+int ScriptCommand(const SCRIPT_COMMAND* pScriptCommand, ...)
+{
+	// TODO: ScriptCommand
+	return 0;
+}
+
+void InitScripting()
+{
+	gst = new GAME_SCRIPT_THREAD;
+	ZeroMemory(gst, sizeof(GAME_SCRIPT_THREAD));
+}

saco/game/scripting.h

@@ -0,0 +1,19 @@
+
+#pragma once
+
+#define MAX_SCRIPT_VARS	16	// Size of our variable saving array
+
+// Super Simplified SA Version
+struct GAME_SCRIPT_THREAD	// 0xE0 bytes total.
+{
+	BYTE _gap0[224];
+};
+
+struct SCRIPT_COMMAND		//	Params
+{							//		i = integer
+	WORD OpCode;			//		f = float
+	char Params[MAX_SCRIPT_VARS]; //	v = variable
+};							//		s = string
+
+
+