/src/gui/

/a> 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689
/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

/*
(c) 2010 Perttu Ahola <celeron55@gmail.com>
*/

#ifndef INVENTORY_HEADER
#define INVENTORY_HEADER

#include <iostream>
#include <sstream>
#include <string>
#include "common_irrlicht.h"
#include "debug.h"
#include "mapblockobject.h"
// For g_materials
#include "main.h"

#define QUANTITY_ITEM_MAX_COUNT 99

class ServerActiveObject;
class ServerEnvironment;

class InventoryItem
{
public:
	InventoryItem(u16 count);
	virtual ~InventoryItem();
	
	static InventoryItem* deSerialize(std::istream &is);
	
	virtual const char* getName() const = 0;
	// Shall write the name and the parameters
	virtual void serialize(std::ostream &os) = 0;
	// Shall make an exact clone of the item
	virtual InventoryItem* clone() = 0;
#ifndef SERVER
	// Shall return an image to show in the GUI (or NULL)
	virtual video::ITexture * getImage() { return NULL; }
#endif
	// Shall return a text to show in the GUI
	virtual std::string getText() { return ""; }
	// Creates an object from the item, to be placed in the world.
	virtual ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
	// Gets amount of items that dropping one SAO will decrement
	virtual u16 getDropCount(){ return getCount(); }

	/*
		Quantity methods
	*/

	// Shall return true if the item can be add()ed to the other
	virtual bool addableTo(InventoryItem *other)
	{
		return false;
	}
	
	u16 getCount()
	{
		return m_count;
	}
	void setCount(u16 count)
	{
		m_count = count;
	}
	// This should return something else for stackable items
	virtual u16 freeSpace()
	{
		return 0;
	}
	void add(u16 count)
	{
		assert(m_count + count <= QUANTITY_ITEM_MAX_COUNT);
		m_count += count;
	}
	void remove(u16 count)
	{
		assert(m_count >= count);
		m_count -= count;
	}

	/*
		Other properties
	*/
	// Whether it can be cooked
	virtual bool isCookable(){return false;}
	// Time of cooking
	virtual float getCookTime(){return 3.0;}
	// Result of cooking
	virtual InventoryItem *createCookResult(){return NULL;}

protected:
	u16 m_count;
};

class MaterialItem : public InventoryItem
{
public:
	MaterialItem(u8 content, u16 count):
		InventoryItem(count)
	{
		m_content = content;
	}
	/*
		Implementation interface
	*/
	virtual const char* getName() const
	{
		return "MaterialItem";
	}
	virtual void serialize(std::ostream &os)
	{
		//os.imbue(std::locale("C"));
		os<<getName();
		os<<" ";
		os<<(unsigned int)m_content;
		os<<" ";
		os<<m_count;
	}
	virtual InventoryItem* clone()
	{
		return new MaterialItem(m_content, m_count);
	}
#ifndef SERVER
	video::ITexture * getImage()
	{
		return content_features(m_content).inventory_texture;
		return NULL;
	}
#endif
	std::string getText()
	{
		std::ostringstream os;
		os<<m_count;
		return os.str();
	}

	virtual bool addableTo(InventoryItem *other)
	{
		if(std::string(other->getName()) != "MaterialItem")
			return false;
		MaterialItem *m = (MaterialItem*)other;
		if(m->getMaterial() != m_content)
			return false;
		return true;
	}
	u16 freeSpace()
	{
		if(m_count > QUANTITY_ITEM_MAX_COUNT)
			return 0;
		return QUANTITY_ITEM_MAX_COUNT - m_count;
	}
	/*
		Other properties
	*/
	bool isCookable();
	InventoryItem *createCookResult();
	/*
		Special methods
	*/
	u8 getMaterial()
	{
		return m_content;
	}
private:
	u8 m_content;
};

//TODO: Remove
class MapBlockObjectItem : public InventoryItem
{
public:
	MapBlockObjectItem(std::string inventorystring):
		InventoryItem(1)
	{
		m_inventorystring = inventorystring;
	}
	
	/*
		Implementation interface
	*/
	virtual const char* getName() const
	{
		return "MBOItem";
	}
	virtual void serialize(std::ostream &os)
	{
		for(;;)
		{
			size_t t = m_inventorystring.find('|');
			if(t == std::string::npos)
				break;
			m_inventorystring[t] = '?';
		}
		os<<getName();
		os<<" ";
		os<<m_inventorystring;
		os<<"|";
	}
	virtual InventoryItem* clone()
	{
		return new MapBlockObjectItem(m_inventorystring);
	}

#ifndef SERVER
	video::ITexture * getImage();
#endif
	std::string getText();

	/*
		Special methods
	*/
	std::string getInventoryString()
	{
		return m_inventorystring;
	}

	MapBlockObject * createObject(v3f pos, f32 player_yaw, f32 player_pitch);

private:
	std::string m_inventorystring;
};

/*
	An item that is used as a mid-product when crafting.
	Subnames:
	- Stick
*/
class CraftItem : public InventoryItem
{
public:
	CraftItem(std::string subname, u16 count):
		InventoryItem(count)
	{
		m_subname = subname;
	}
	/*
		Implementation interface
	*/
	virtual const char* getName() const
	{
		return "CraftItem";
	}
	virtual void serialize(std::ostream &os)
	{
		os<<getName();
		os<<" ";
		os<<m_subname;
		os<<" ";
		os<<m_count;
	}
	virtual InventoryItem* clone()
	{
		return new CraftItem(m_subname, m_count);
	}
#ifndef SERVER
	video::ITexture * getImage();
#endif
	std::string getText()
	{
		std::ostringstream os;
		os<<m_count;
		return os.str();
	}

	ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
	u16 getDropCount();

	virtual bool addableTo(InventoryItem *other)
	{
		if(std::string(other->getName()) != "CraftItem")
			return false;
		CraftItem *m = (CraftItem*)other;
		if(m->m_subname != m_subname)
			return false;
		return true;
	}
	u16 freeSpace()
	{
		if(m_count > QUANTITY_ITEM_MAX_COUNT)
			return 0;
		return QUANTITY_ITEM_MAX_COUNT - m_count;
	}
	/*
		Other properties
	*/
	bool isCookable();
	InventoryItem *createCookResult();
	/*
		Special methods
	*/
	std::string getSubName()
	{
		return m_subname;
	}
private:
	std::string m_subname;
};

class ToolItem : public InventoryItem
{
public:
	ToolItem(std::string toolname, u16 wear):
		InventoryItem(1)
	{
		m_toolname = toolname;
		m_wear = wear;
	}
	/*
		Implementation interface
	*/
	virtual const char* getName() const
	{
		return "ToolItem";
	}
	virtual void serialize(std::ostream &os)
	{
		os<<getName();
		os<<" ";
		os<<m_toolname;
		os<<" ";
		os<<m_wear;
	}
	virtual InventoryItem* clone()
	{
		return new ToolItem(m_toolname, m_wear);
	}
#ifndef SERVER
	video::ITexture * getImage()
	{
		if(g_texturesource == NULL)
			return NULL;
		
		std::string basename;
		if(m_toolname == "WPick")
			basename = "tool_woodpick.png";
		else if(m_toolname == "STPick")
			basename = "tool_stonepick.png";
		else if(m_toolname == "SteelPick")
			basename = "tool_steelpick.png";
		else if(m_toolname == "MesePick")
			basename = "tool_mesepick.png";
		else if(m_toolname == "WShovel")
			basename = "tool_woodshovel.png";
		else if(m_toolname == "STShovel")
			basename = "tool_stoneshovel.png";
		else if(m_toolname == "SteelShovel")
			basename = "tool_steelshovel.png";
		else if(m_toolname == "WAxe")
			basename = "tool_woodaxe.png";
		else if(m_toolname == "STAxe")
			basename = "tool_stoneaxe.png";
		else if(m_toolname == "SteelAxe")
			basename = "tool_steelaxe.png";
		else if(m_toolname == "WSword")
			basename = "tool_woodsword.png";
		else if(m_toolname == "STSword")
			basename = "tool_stonesword.png";
		else if(m_toolname == "SteelSword")
			basename = "tool_steelsword.png";
		else
			basename = "cloud.png";
		
		/*
			Calculate a progress value with sane amount of
			maximum states
		*/
		u32 maxprogress = 30;
		u32 toolprogress = (65535-m_wear)/(65535/maxprogress);
		
		float value_f = (float)toolprogress / (float)maxprogress;
		std::ostringstream os;
		os<<basename<<"^[progressbar"<<value_f;

		return g_texturesource->getTextureRaw(os.str());
	}
#endif
	std::string getText()
	{
		return "";
		
		/*std::ostringstream os;
		u16 f = 4;
		u16 d = 65535/f;
		u16 i;
		for(i=0; i<(65535-m_wear)/d; i++)
			os<<'X';
		for(; i<f; i++)
			os<<'-';
		return os.str();*/
		
		/*std::ostringstream os;
		os<<m_toolname;
		os<<" ";
		os<<(m_wear/655);
		return os.str();*/
	}
	/*
		Special methods
	*/
	std::string getToolName()
	{
		return m_toolname;
	}
	u16 getWear()
	{
		return m_wear;
	}
	// Returns true if weared out
	bool addWear(u16 add)
	{
		if(m_wear >= 65535 - add)
		{
			m_wear = 65535;
			return true;
		}
		else
		{
			m_wear += add;
			return false;
		}
	}
private:
	std::string m_toolname;
	u16 m_wear;
};

class InventoryList
{
public:
	InventoryList(std::string name, u32 size);
	~InventoryList();
	void clearItems();
	void serialize(std::ostream &os);
	void deSerialize(std::istream &is);

	InventoryList(const InventoryList &other);
	InventoryList & operator = (const InventoryList &other);

	std::string getName();
	u32 getSize();
	// Count used slots
	u32 getUsedSlots();
	u32 getFreeSlots();

	/*bool getDirty(){ return m_dirty; }
	void setDirty(bool dirty=true){ m_dirty = dirty; }*/
	
	// Get pointer to item
	InventoryItem * getItem(u32 i);
	// Returns old item (or NULL). Parameter can be NULL.
	InventoryItem * changeItem(u32 i, InventoryItem *newitem);
	// Delete item
	void deleteItem(u32 i);

	// Adds an item to a suitable place. Returns leftover item.
	// If all went into the list, returns NULL.
	InventoryItem * addItem(InventoryItem *newitem);

	// If possible, adds item to given slot.
	// If cannot be added at all, returns the item back.
	// If can be added partly, decremented item is returned back.
	// If can be added fully, NULL is returned.
	InventoryItem * addItem(u32 i, InventoryItem *newitem);

	// Checks whether the item could be added to the given slot
	bool itemFits(u32 i, InventoryItem *newitem);

	// Takes some items from a slot.
	// If there are not enough, takes as many as it can.
	// Returns NULL if couldn't take any.
	InventoryItem * takeItem(u32 i, u32 count);

	// Decrements amount of every material item
	void decrementMaterials(u16 count);

	void print(std::ostream &o);
	
private:
	core::array<InventoryItem*> m_items;
	u32 m_size;
	std::string m_name;
	//bool m_dirty;
};

class Inventory
{
public:
	~Inventory();

	void clear();

	Inventory();
	Inventory(const Inventory &other);
	Inventory & operator = (const Inventory &other);
	
	void serialize(std::ostream &os);
	void deSerialize(std::istream &is);

	InventoryList * addList(const std::string &name, u32 size);
	InventoryList * getList(const std::string &name);
	bool deleteList(const std::string &name);
	// A shorthand for adding items.
	// Returns NULL if the item was fully added, leftover otherwise.
	InventoryItem * addItem(const std::string &listname, InventoryItem *newitem)
	{
		InventoryList *list = getList(listname);
		if(list == NULL)
			return newitem;
		return list->addItem(newitem);
	}
	
private:
	// -1 if not found
	s32 getListIndex(const std::string &name);

	core::array<InventoryList*> m_lists;
};

class Player;

struct InventoryContext
{
	Player *current_player;
	
	InventoryContext():
		current_player(NULL)
	{}
};

class InventoryAction;

class InventoryManager
{
public:
	InventoryManager(){}
	virtual ~InventoryManager(){}
	
	/*