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source: code/branches/particleEffectsHS15/src/libraries/core/command/ConsoleCommand.h @ 10644

Last change on this file since 10644 was 10624, checked in by landauf, 9 years ago
merged branch core7 back to trunk
Property svn:eol-style set to `native`
File size: 24.9 KB

Line
1	/*
2	* ORXONOX - the hottest 3D action shooter ever to exist
3	* > www.orxonox.net <
4	*
5	*
6	* License notice:
7	*
8	* This program is free software; you can redistribute it and/or
9	* modify it under the terms of the GNU General Public License
10	* as published by the Free Software Foundation; either version 2
11	* of the License, or (at your option) any later version.
12	*
13	* This program is distributed in the hope that it will be useful,
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16	* GNU General Public License for more details.
17	*
18	* You should have received a copy of the GNU General Public License
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21	*
22	* Author:
23	* Fabian 'x3n' Landau
24	* Co-authors:
25	* ...
26	*
27	*/
28
29	/**
30	@file
31	@ingroup Command ConsoleCommand
32	@brief Declaration of the orxonox::ConsoleCommand class.
33	*/
34
35	#ifndef _ConsoleCommand_H__
36	#define _ConsoleCommand_H__
37
38	#include "core/CorePrereqs.h"
39
40	#include <stack>
41	#include <vector>
42
43	#include "ArgumentCompletionFunctions.h"
44	#include "Executor.h"
45
46	namespace orxonox
47	{
48	/**
49	@brief A small collection of functions that can be used in DeclareConsoleCommand() if
50	you don't want to use the real function-pointer.
51	*/
52	namespace prototype
53	{
54	inline void void__void(void) {}
55	inline void void__string(const std::string&) {}
56
57	inline std::string string__bool(bool) { return ""; }
58	inline std::string string__string(const std::string&) { return ""; }
59	inline std::string string__uint_uint_bool(unsigned int, unsigned int, bool) { return ""; }
60	}
61
62	namespace AccessLevel
63	{
64	/**
65	@brief Possible access levels: A command can only be executed if the program is in the state which is requested by the access level.
66	*/
67	enum Enum
68	{
69	All,
70	Standalone,
71	Master,
72	Server,
73	Client,
74	Online,
75	Offline,
76	None
77	};
78	}
79
80	/**
81	@brief The ConsoleCommand class stores all information about a console command which can be executed by CommandExecutor.
82
83	Console commands can be entered by the user into the shell, called in scripts, or
84	used for key-bindings. They are simple text strings that can be executed by
85	CommandExecutor. CommandExecutor will search for a ConsoleCommand with the given
86	group and name and will execute it's Executor (which again calls the Functor and
87	this finally calls the command-function).
88
89	@see See @ref ConsoleCommandExample "ConsoleCommand.h" for more information and some examples.
90	*/
91	class _CoreExport ConsoleCommand
92	{
93	friend struct ConsoleCommandManipulator;
94
95	/**
96	@brief Helper class that is used to put the current state of the ConsoleCommand on a stack.
97	*/
98	struct Command
99	{
100	ExecutorPtr executor_; ///< The executor
101	FunctorPtr functor_; ///< The function that is used with the executor - has to be stored separatley because the executor is often used with different functors
102	std::vector<void*> objectStack_; ///< The object stack
103	};
104
105	public:
106	/**
107	* @brief Defines the name of a command, consisting of an optional group ("" means no group) and the name itself.
108	*/
109	struct CommandName
110	{
111	CommandName(const std::string& group, const std::string& name) : group_(group), name_(name) {}
112	std::string group_;
113	std::string name_;
114	};
115
116	/**
117	@brief Helper class that is used to manipulate console commands.
118
119	An instance of this class is returned if you call the ModifyConsoleCommand macro.
120	This class provides an interface which wraps some functions of ConsoleCommand. It
121	allows access to some private functions like setFunction() (that can't be called
122	right after SetConsoleCommand()) but it also hides some functions that shouln't be
123	called after the static declaration like addShortcut() or description().
124
125	@see See @ref ConsoleCommandExample "ConsoleCommand.h" for more information and examples.
126	*/
127	struct ConsoleCommandManipulator
128	{
129	public:
130	/// Constructor: Creates a manipulator for a given ConsoleCommand.
131	ConsoleCommandManipulator(ConsoleCommand* command) : command_(command) {}
132
133	/// Changes the current function of the command. @param function The new function-pointer @param bForce If true, the new function-pointer is always assigned, even if the headers don't match
134	template <class F>
135	inline ConsoleCommandManipulator& setFunction(F function, bool bForce = false)
136	{
137	if (this->command_)
138	{
139	// check if the headers match. If they do, only change the function-pointer of the current Functor instead of creating a new Functor
140	if (this->command_->getExecutor() && this->command_->getExecutor()->getFunctor() && this->command_->getExecutor()->getFunctor()->getFullIdentifier() == typeid(F))
141	{
142	FunctorPointer<F>* functor = static_cast<FunctorPointer<F>*>(this->command_->getExecutor()->getFunctor().get());
143	functor->setFunction(function);
144	return *this;
145	}
146	this->command_->setFunction(createFunctor(function), bForce);
147	}
148	return *this;
149	}
150	/// Changes the current function of the command. @param function The new function-pointer @param object The new object-pointer (for member-functions) @param bForce If true, the new function-pointer is always assigned, even if the headers don't match
151	template <class F, class O>
152	inline ConsoleCommandManipulator& setFunction(F function, O* object, bool bForce = false)
153	{
154	if (this->command_)
155	{
156	// check if the headers match. If they do, only change the function-pointer of the current Functor instead of creating a new Functor
157	if (this->command_->getExecutor() && this->command_->getExecutor()->getFunctor() && this->command_->getExecutor()->getFunctor()->getFullIdentifier() == typeid(F))
158	{
159	FunctorPointer<F, O>* functor = static_cast<FunctorPointer<F, O>*>(this->command_->getExecutor()->getFunctor().get());
160	functor->setFunction(function);
161	functor->setObject(object);
162	return *this;
163	}
164	this->command_->setFunction(createFunctor(function, object), bForce);
165	}
166	return *this;
167	}
168	/// Changes the current Functor of the command. @param functor The new Functor @param bForce If true, the new Functor is always assigned, even if the headers don't match
169	inline ConsoleCommandManipulator& setFunction(const FunctorPtr& functor, bool bForce = false)
170	{ if (this->command_) { this->command_->setFunction(functor, bForce); } return *this; }
171	/// Changes the current Executor of the command. @param executor The new Executor @param bForce If true, the new Executor is always assigned, even if the headers don't match
172	inline ConsoleCommandManipulator& setFunction(const ExecutorPtr& executor, bool bForce = false)
173	{ if (this->command_) { this->command_->setFunction(executor, bForce); } return *this; }
174
175	/// Pushes a copy of the current Executor on the command-stack, that can be altered without changing the old Executor. @details This function is especially useful if you don't wan't to change the function, but only the default values of the executor.
176	inline ConsoleCommandManipulator& pushFunction()
177	{ if (this->command_) { this->command_->pushFunction(); } return *this; }
178	/// Pushes a new function on the command-stack. @param function The new function-pointer @param bForce If true, the new function-pointer is always assigned, even if the headers don't match
179	template <class F>
180	inline ConsoleCommandManipulator& pushFunction(F function, bool bForce = false)
181	{ if (this->command_) { this->command_->pushFunction(createFunctor(function), bForce); } return *this; }
182	/// Pushes a new function on the command-stack. @param function The new function-pointer @param object The new object-pointer (for member-functions) @param bForce If true, the new function-pointer is always assigned, even if the headers don't match
183	template <class F, class O>
184	inline ConsoleCommandManipulator& pushFunction(F function, O* object, bool bForce = false)
185	{ if (this->command_) { this->command_->pushFunction(createFunctor(function, object), bForce); } return *this; }
186	/// Pushes a new Functor on the command-stack. @param functor The new Functor @param bForce If true, the new Functor is always assigned, even if the headers don't match
187	inline ConsoleCommandManipulator& pushFunction(const FunctorPtr& functor, bool bForce = false)
188	{ if (this->command_) { this->command_->pushFunction(functor, bForce); } return *this; }
189	/// Pushes a new Executor on the command-stack. @param executor The new Executor @param bForce If true, the new Executor is always assigned, even if the headers don't match
190	inline ConsoleCommandManipulator& pushFunction(const ExecutorPtr& executor, bool bForce = false)
191	{ if (this->command_) { this->command_->pushFunction(executor, bForce); } return *this; }
192
193	/// Removes the current function from the stack and restores the old state. If there's no other function on the stack, the command is deactivated.
194	inline ConsoleCommandManipulator& popFunction()
195	{ if (this->command_) { this->command_->popFunction(); } return *this; }
196
197	/// Sets the current function-pointer to NULL, which also deactivates the command.
198	inline ConsoleCommandManipulator& resetFunction()
199	{ if (this->command_) { this->command_->resetFunction(); } return *this; }
200
201	/// Changes the current object (used for member-functions).
202	inline ConsoleCommandManipulator& setObject(void* object)
203	{ if (this->command_) { this->command_->setObject(object); } return *this; }
204	/// Pushes a new object on the object-stack.
205	inline ConsoleCommandManipulator& pushObject(void* object)
206	{ if (this->command_) { this->command_->pushObject(object); } return *this; }
207	/// Removes the current object from the object-stack and restores the old object (or NULL if there's no object left on the stack).
208	inline ConsoleCommandManipulator& popObject()
209	{ if (this->command_) { this->command_->popObject(); } return *this; }
210
211	/// Changes the activity of the command.
212	inline ConsoleCommandManipulator& setActive(bool bActive)
213	{ if (this->command_) { this->command_->setActive(bActive); } return *this; }
214	/// Activates the command.
215	inline ConsoleCommandManipulator& activate()
216	{ return this->setActive(true); }
217	/// Deactivates the command.
218	inline ConsoleCommandManipulator& deactivate()
219	{ return this->setActive(false); }
220
221	/// Changes the visibility of the command.
222	inline ConsoleCommandManipulator& setHidden(bool bHidden)
223	{ if (this->command_) { this->command_->setHidden(bHidden); } return *this; }
224	/// Hides the command (can still be executed, but is not visible in the list of available commands).
225	inline ConsoleCommandManipulator& hide()
226	{ return this->setHidden(true); }
227	/// Makes the command visible.
228	inline ConsoleCommandManipulator& show()
229	{ return this->setHidden(false); }
230
231	/// Changes the default values of the current executor (doesn't modify executors on deeper levels of the command-stack).
232	inline ConsoleCommandManipulator& defaultValues(const MultiType& arg1)
233	{ if (this->command_) { this->command_->defaultValues(arg1); } return *this; }
234	/// Changes the default values of the current executor (doesn't modify executors on deeper levels of the command-stack).
235	inline ConsoleCommandManipulator& defaultValues(const MultiType& arg1, const MultiType& arg2)
236	{ if (this->command_) { this->command_->defaultValues(arg1, arg2); } return *this; }
237	/// Changes the default values of the current executor (doesn't modify executors on deeper levels of the command-stack).
238	inline ConsoleCommandManipulator& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3)
239	{ if (this->command_) { this->command_->defaultValues(arg1, arg2, arg3); } return *this; }
240	/// Changes the default values of the current executor (doesn't modify executors on deeper levels of the command-stack).
241	inline ConsoleCommandManipulator& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3, const MultiType& arg4)
242	{ if (this->command_) { this->command_->defaultValues(arg1, arg2, arg3, arg4); } return *this; }
243	/// Changes the default values of the current executor (doesn't modify executors on deeper levels of the command-stack).
244	inline ConsoleCommandManipulator& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3, const MultiType& arg4, const MultiType& arg5)
245	{ if (this->command_) { this->command_->defaultValues(arg1, arg2, arg3, arg4, arg5); } return *this; }
246	/// Changes the default value of the argument with given index of the current executor (doesn't modify executors on deeper levels of the command-stack).
247	inline ConsoleCommandManipulator& defaultValue(unsigned int index, const MultiType& arg)
248	{ if (this->command_) { this->command_->defaultValue(index, arg); } return *this; }
249
250	/// Changes the access level of the command.
251	inline ConsoleCommandManipulator& accessLevel(AccessLevel::Enum level)
252	{ if (this->command_) { this->command_->accessLevel(level); } return *this; }
253
254	/// Changes the argument completer for the given parameter.
255	inline ConsoleCommandManipulator& argumentCompleter(unsigned int index, ArgumentCompleter* completer)
256	{ if (this->command_) { this->command_->argumentCompleter(index, completer); } return *this; }
257
258	/// Defines the command to be an input command.
259	inline ConsoleCommandManipulator& setAsInputCommand()
260	{ if (this->command_) { this->command_->setAsInputCommand(); } return *this; }
261	/// Changes the keybind mode of the command.
262	inline ConsoleCommandManipulator& keybindMode(KeybindMode::Value mode)
263	{ if (this->command_) { this->command_->changeKeybindMode(mode); } return *this; }
264	/// Sets the input configured param to the given index.
265	inline ConsoleCommandManipulator& inputConfiguredParam(int index)
266	{ if (this->command_) { this->command_->inputConfiguredParam(index); } return *this; }
267
268	private:
269	ConsoleCommand* command_; ///< The command which is being manipulated by this object
270	};
271
272	public:
273	ConsoleCommand(const std::string& name, const ExecutorPtr& executor, bool bInitialized = true);
274	ConsoleCommand(const std::string& group, const std::string& name, const ExecutorPtr& executor, bool bInitialized = true);
275	~ConsoleCommand();
276
277	ConsoleCommand& addShortcut();
278	ConsoleCommand& addShortcut(const std::string& name);
279	ConsoleCommand& addGroup(const std::string& group);
280	ConsoleCommand& addGroup(const std::string& group, const std::string& name);
281
282	/// Returns the name that was first used for this command.
283	inline const std::string& getName() const
284	{ return this->baseName_; }
285
286	const ExecutorPtr& getExecutor() const;
287	/// Returns the functor that defines the required header for this command (but isn't necessarily executed).
288	inline const FunctorPtr& getBaseFunctor() const
289	{ return this->baseFunctor_; }
290
291	/// Changes the activity of the command.
292	inline ConsoleCommand& setActive(bool bActive)
293	{ this->bActive_ = bActive; return *this; }
294	/// Activates the command.
295	inline ConsoleCommand& activate()
296	{ return this->setActive(true); }
297	/// Deactivates the command.
298	inline ConsoleCommand& deactivate()
299	{ return this->setActive(false); }
300
301	/// Changes the visibility of the command.
302	inline ConsoleCommand& setHidden(bool bHidden)
303	{ this->bHidden_ = bHidden; return *this; }
304	/// Hides the command (can still be executed, but is not visible in the list of available commands).
305	inline ConsoleCommand& hide()
306	{ return this->setHidden(true); }
307	/// Makes the command visible.
308	inline ConsoleCommand& show()
309	{ return this->setHidden(false); }
310
311	bool isActive() const;
312	bool hasAccess() const;
313	/// Returns true if the command is currently hidden.
314	inline bool isHidden() const
315	{ return this->bHidden_; }
316
317	ConsoleCommand& description(const std::string& description);
318	const std::string& getDescription() const;
319
320	ConsoleCommand& descriptionParam(unsigned int index, const std::string& description);
321	const std::string& getDescriptionParam(unsigned int index) const;
322
323	ConsoleCommand& descriptionReturnvalue(const std::string& description);
324	const std::string& getDescriptionReturnvalue(int index) const;
325
326	ConsoleCommand& defaultValues(const MultiType& arg1);
327	ConsoleCommand& defaultValues(const MultiType& arg1, const MultiType& arg2);
328	ConsoleCommand& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3);
329	ConsoleCommand& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3, const MultiType& arg4);
330	ConsoleCommand& defaultValues(const MultiType& arg1, const MultiType& arg2, const MultiType& arg3, const MultiType& arg4, const MultiType& arg5);
331	ConsoleCommand& defaultValue(unsigned int index, const MultiType& arg);
332
333	/// Changes the access level of the command.
334	inline ConsoleCommand& accessLevel(AccessLevel::Enum level)
335	{ this->accessLevel_ = level; return *this; }
336	/// Returns the access level of the command.
337	inline AccessLevel::Enum getAccessLevel() const
338	{ return this->accessLevel_; }
339
340	ConsoleCommand& argumentCompleter(unsigned int index, ArgumentCompleter* completer);
341	ArgumentCompleter* getArgumentCompleter(unsigned int index) const;
342
343	/// Defines the command to be an input command
344	inline ConsoleCommand& setAsInputCommand()
345	{
346	this->keybindMode(KeybindMode::OnHold);
347	this->defaultValue(0, Vector2(0.0f, 0.0f));
348	this->inputConfiguredParam(0);
349	return *this;
350	}
351
352	/// Sets the keybind mode. Note: use changeKeybindMode if you intend to change the mode.
353	inline ConsoleCommand& keybindMode(KeybindMode::Value mode)
354	{ this->keybindMode_ = mode; return *this; }
355	/// Returns the keybind mode
356	inline KeybindMode::Value getKeybindMode() const
357	{ return this->keybindMode_; }
358
359	ConsoleCommand& changeKeybindMode(KeybindMode::Value mode);
360
361	/// Changes the input configured param to the given index.
362	inline ConsoleCommand& inputConfiguredParam(int index)
363	{ this->inputConfiguredParam_ = index; return *this; }
364	/// Returns the input configured param.
365	inline int getInputConfiguredParam() const
366	{ return this->inputConfiguredParam_; }
367
368	/// Returns a manipulator for this command.
369	inline ConsoleCommandManipulator getManipulator()
370	{ return this; }
371
372	inline const std::vector<CommandName>& getNames()
373	{ return this->names_; }
374
375	private:
376	void init(const std::string& group, const std::string& name, const ExecutorPtr& executor, bool bInitialized);
377
378	bool headersMatch(const FunctorPtr& functor);
379	bool headersMatch(const ExecutorPtr& executor);
380
381	bool setFunction(const ExecutorPtr& executor, bool bForce = false);
382	bool setFunction(const FunctorPtr& functor, bool bForce = false);
383	void pushFunction(const ExecutorPtr& executor, bool bForce = false);
384	void pushFunction(const FunctorPtr& functor, bool bForce = false);
385	void pushFunction();
386	void popFunction();
387	void resetFunction();
388
389	bool setObject(void* object);
390	void pushObject(void* object);
391	void popObject();
392	void* getObject() const;
393
394	bool bActive_; ///< True if the command should be active (it can still be inactive, for example if the function is missing)
395	bool bHidden_; ///< True if the command is hidden (it is still executable, but not visible in the list of available commands)
396	AccessLevel::Enum accessLevel_; ///< The access level (the state of the game in which you can access the command)
397	std::string baseName_; ///< The name that was first assigned to the command
398	std::vector<CommandName> names_; ///< All names and aliases of this command
399	FunctorPtr baseFunctor_; ///< The functor that defines the header of the command-function
400
401	ExecutorPtr executor_; ///< The Executor that is used to execute the command
402	std::stack<Command> commandStack_; ///< A stack of commands, used to push and pop different functions
403	std::vector<void*> objectStack_; ///< A stack of objects, used to push and pop different objects for a function
404
405	ArgumentCompleter* argumentCompleter_[MAX_FUNCTOR_ARGUMENTS]; ///< ArgumentCompleter for each argument
406
407	KeybindMode::Value keybindMode_; ///< The keybind mode
408	int inputConfiguredParam_; ///< The input configured param
409
410	LanguageEntryLabel description_; ///< The description of the command
411	LanguageEntryLabel descriptionReturnvalue_; ///< A description of the return-value
412	LanguageEntryLabel descriptionParam_[MAX_FUNCTOR_ARGUMENTS]; ///< A description for each argument
413	};
414	}
415
416	#endif /* _ConsoleCommand_H__ */

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