git.r.bdr.sh - rbdr/pico-engine/blob - LuaScript.h

   1 // ---------------------------------------------------------------------------
   2 // FILE NAME            : LuaScript.h
   3 // ---------------------------------------------------------------------------
   4 // DESCRIPTION :
   5 //
   6 // Scripting base class
   7 //
   8 // ---------------------------------------------------------------------------
   9 // VERSION              : 1.00
  10 // DATE                 : 1-Sep-2005
  11 // AUTHOR               : Richard Shephard
  12 // ---------------------------------------------------------------------------
  13 // LIBRARY INCLUDE FILES
  14
  15 #ifndef __LUA_SCRIPT_BASE_H__
  16 #define __LUA_SCRIPT_BASE_H__
  17
  18 #include "luainc.h"
  19 #include "luavirtualmachine.h"
  20
  21 class CLuaScript
  22 {
  23 public:
  24    CLuaScript (CLuaVirtualMachine& vm);
  25    virtual ~CLuaScript (void);
  26
  27    // Compile script into Virtual Machine
  28    bool CompileFile (const char *strFilename);
  29    bool CompileBuffer (unsigned char *pbBuffer, size_t szLen);
  30
  31    // Register function with Lua
  32    int RegisterFunction (const char *strFuncName);
  33
  34    // Selects a Lua Script function to call
  35    bool SelectScriptFunction (const char *strFuncName);
  36    void AddParam (int iInt);
  37    void AddParam (float fFloat);
  38    void AddParam (char *string);
  39
  40    // Runs the loaded script
  41    bool Go (int nReturns = 0);
  42
  43    // Checks on Virtual Machine script
  44    bool ScriptHasFunction (const char *strScriptName);
  45
  46    // Method indexing check
  47    int methods (void) { return m_nMethods; }
  48
  49
  50    // When the script calls a class method, this is called
  51    virtual int ScriptCalling (CLuaVirtualMachine& vm, int iFunctionNumber) = 0;
  52
  53    // When the script function has returns
  54    virtual void HandleReturns (CLuaVirtualMachine& vm, const char *strFunc) = 0;
  55
  56    CLuaVirtualMachine& vm (void) { return m_vm; }
  57
  58 protected:
  59    int m_nMethods;
  60    CLuaVirtualMachine& m_vm;
  61    int m_iThisRef;
  62    int m_nArgs;
  63    const char *m_strFunctionName;
  64 };
  65
  66
  67 #endif // __LUA_SCRIPT_BASE_H__