1 files changed, 139 insertions, 0 deletions
diff --git a/primedev/core/convar/concommand.h b/primedev/core/convar/concommand.h
new file mode 100644
index 00000000..71a82fec
--- /dev/null
+++ b/primedev/core/convar/concommand.h
@@ -0,0 +1,139 @@
+#pragma once
+
+// From Source SDK
+class ConCommandBase;
+class IConCommandBaseAccessor
+{
+public:
+	// Flags is a combination of FCVAR flags in cvar.h.
+	// hOut is filled in with a handle to the variable.
+	virtual bool RegisterConCommandBase(ConCommandBase* pVar) = 0;
+};
+
+class CCommand
+{
+public:
+	CCommand() = delete;
+
+	int64_t ArgC() const;
+	const char** ArgV() const;
+	const char* ArgS() const; // All args that occur after the 0th arg, in string form
+	const char* GetCommandString() const; // The entire command in string form, including the 0th arg
+	const char* operator[](int nIndex) const; // Gets at arguments
+	const char* Arg(int nIndex) const; // Gets at arguments
+
+	static int MaxCommandLength();
+
+private:
+	enum
+	{
+		COMMAND_MAX_ARGC = 64,
+		COMMAND_MAX_LENGTH = 512,
+	};
+
+	int64_t m_nArgc;
+	int64_t m_nArgv0Size;
+	char m_pArgSBuffer[COMMAND_MAX_LENGTH];
+	char m_pArgvBuffer[COMMAND_MAX_LENGTH];
+	const char* m_ppArgv[COMMAND_MAX_ARGC];
+};
+
+inline int CCommand::MaxCommandLength()
+{
+	return COMMAND_MAX_LENGTH - 1;
+}
+inline int64_t CCommand::ArgC() const
+{
+	return m_nArgc;
+}
+inline const char** CCommand::ArgV() const
+{
+	return m_nArgc ? (const char**)m_ppArgv : NULL;
+}
+inline const char* CCommand::ArgS() const
+{
+	return m_nArgv0Size ? &m_pArgSBuffer[m_nArgv0Size] : "";
+}
+inline const char* CCommand::GetCommandString() const
+{
+	return m_nArgc ? m_pArgSBuffer : "";
+}
+inline const char* CCommand::Arg(int nIndex) const
+{
+	// FIXME: Many command handlers appear to not be particularly careful
+	// about checking for valid argc range. For now, we're going to
+	// do the extra check and return an empty string if it's out of range
+	if (nIndex < 0 || nIndex >= m_nArgc)
+		return "";
+	return m_ppArgv[nIndex];
+}
+inline const char* CCommand::operator[](int nIndex) const
+{
+	return Arg(nIndex);
+}
+
+//-----------------------------------------------------------------------------
+// Called when a ConCommand needs to execute
+//-----------------------------------------------------------------------------
+typedef void (*FnCommandCallback_t)(const CCommand& command);
+
+#define COMMAND_COMPLETION_MAXITEMS 64
+#define COMMAND_COMPLETION_ITEM_LENGTH 128
+
+//-----------------------------------------------------------------------------
+// Returns 0 to COMMAND_COMPLETION_MAXITEMS worth of completion strings
+//-----------------------------------------------------------------------------
+typedef int (*FnCommandCompletionCallback)(const char* partial, char commands[COMMAND_COMPLETION_MAXITEMS][COMMAND_COMPLETION_ITEM_LENGTH]);
+
+// From r5reloaded
+class ConCommandBase
+{
+public:
+	bool HasFlags(int nFlags);
+	void AddFlags(int nFlags);
+	void RemoveFlags(int nFlags);
+
+	bool IsCommand(void) const;
+	bool IsRegistered(void) const;
+	bool IsFlagSet(int nFlags) const;
+	static bool IsFlagSet(ConCommandBase* pCommandBase, int nFlags); // For hooking to engine's implementation.
+
+	int GetFlags(void) const;
+	ConCommandBase* GetNext(void) const;
+	const char* GetHelpText(void) const;
+
+	char* CopyString(const char* szFrom) const;
+
+	void* m_pConCommandBaseVTable; // 0x0000
+	ConCommandBase* m_pNext; // 0x0008
+	bool m_bRegistered; // 0x0010
+	char pad_0011[7]; // 0x0011 <- 3 bytes padding + unk int32.
+	const char* m_pszName; // 0x0018
+	const char* m_pszHelpString; // 0x0020
+	int m_nFlags; // 0x0028
+	ConCommandBase* s_pConCommandBases; // 0x002C
+	IConCommandBaseAccessor* s_pAccessor; // 0x0034
+}; // Size: 0x0040
+
+// taken from ttf2sdk
+class ConCommand : public ConCommandBase
+{
+	friend class CCVar;
+
+public:
+	ConCommand(void) {}; // !TODO: Rebuild engine constructor in SDK instead.
+	ConCommand(const char* szName, const char* szHelpString, int nFlags, void* pCallback, void* pCommandCompletionCallback);
+	void Init(void);
+	bool IsCommand(void) const;
+
+	FnCommandCallback_t m_pCommandCallback {}; // 0x0040 <- starts from 0x40 since we inherit ConCommandBase.
+	FnCommandCompletionCallback m_pCompletionCallback {}; // 0x0048 <- defaults to sub_180417410 ('xor eax, eax').
+	int m_nCallbackFlags {}; // 0x0050
+	char pad_0054[4]; // 0x0054
+	int unk0; // 0x0058
+	int unk1; // 0x005C
+}; // Size: 0x0060
+
+void RegisterConCommand(const char* name, void (*callback)(const CCommand&), const char* helpString, int flags);
+void RegisterConCommand(
+	const char* name, void (*callback)(const CCommand&), const char* helpString, int flags, FnCommandCompletionCallback completionCallback);