blame: source/code/puzzlehandler.cpp

/*

===========================================================================

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2015 Poul Sander

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, see http://www.gnu.org/licenses/

Source information and contacts persons can be found at

http://blockattack.net

===========================================================================

*/

#include "puzzlehandler.hpp"

#include "nlohmann/json.hpp"

#include <vector>

#include <iostream>

#include <sstream>

#include "stats.h"

#include <physfs.h>         //Abstract file system. To use containers

#include <fmt/core.h>

#include "sago/SagoMisc.hpp"

using json = nlohmann::json;

const int maxNrOfPuzzleStages = 50; //Maximum number of puzzle stages

static std::string puzzleSavePath;

static std::string puzzleName;              //The filename of

static std::vector<bool> puzzleCleared(maxNrOfPuzzleStages); //vector that tells if puzzle cleared

static std::vector<int> nrOfMovesAllowed(maxNrOfPuzzleStages);  //Moves to clear

static int puzzleLevels[maxNrOfPuzzleStages][6][12]; //Contains board layout;

static int nrOfPuzzles;    //How many are there actually?

int PuzzleNumberOfMovesAllowed(size_t level) {

	if (level >= nrOfMovesAllowed.size()) {

		return -1;

	}

	return nrOfMovesAllowed.at(level);

}

void PuzzleNumberOfMovesAllowedSet(size_t level, int numbler_of_moves) {

	if (level >= nrOfMovesAllowed.size()) {

		return;

	}

	nrOfMovesAllowed[level] = numbler_of_moves;

}

int PuzzleGetBrick(size_t level, int x, int y) {

	if (level >= maxNrOfPuzzleStages || x >= 6 || y >= 12 || x < 0 || y < 0) {

		return -1;

	}

	return puzzleLevels[level][x][y];

}

void PuzzleSetBrick(size_t level, int x, int y, int brick) {

	if (level >= maxNrOfPuzzleStages || x >= 6 || y >= 12 || x < 0 || y < 0) {

		return;

	}

	if (brick >= 7) {

		return;

	}

	puzzleLevels[level][x][y] = brick;

}

int PuzzleGetNumberOfPuzzles() {

	return nrOfPuzzles;

}

bool PuzzleIsCleared(size_t level) {

	return puzzleCleared.at(level);

}

const std::string& PuzzleGetName() {

	return puzzleName;

}

void PuzzleSetName(const std::string& name) {

	puzzleName = name;

	puzzleSavePath = name + ".json.save";

}

void LoadClearData() {

	std::string readFileContent = sago::GetFileContent(puzzleSavePath.c_str());

	if (readFileContent.length()) {

		json j = json::parse(readFileContent);

		try {

			j.at("cleared").get_to(puzzleCleared);

		}

		catch (json::exception& e) {

			std::cerr << "Failed to read \"" << puzzleSavePath << "\". File will be regenerated. Reason: " << e.what() << "\n";

			puzzleCleared.clear();

		}

	}

	else {

		puzzleCleared.clear();

	}

	puzzleCleared.resize(nrOfPuzzles);

}

void SaveClearData() {

	json j = json{ { "cleared", puzzleCleared } };

	const std::string s = j.dump(4);

	sago::WriteFileContent(puzzleSavePath.c_str(), s);

}

void PuzzleSetClear(size_t Level) {

	if (puzzleCleared[Level]==false) {

		Stats::getInstance()->addOne("puzzlesSolved");

	}

	puzzleCleared[Level] = true;

	SaveClearData();

}

/*Loads all the puzzle levels*/

int LoadPuzzleStages( ) {

	const std::string filename = fmt::format("puzzles/{}",puzzleName);

	if (!PHYSFS_exists(filename.c_str())) {

		std::cerr << "Warning: File not in blockattack.data: " << filename << "\n";

		return -1; //file doesn't exist

	}

	const std::string fileContent = sago::GetFileContent(filename.c_str());

	std::stringstream inFile(fileContent);

	inFile >> nrOfPuzzles;

	if (nrOfPuzzles>maxNrOfPuzzleStages) {

		nrOfPuzzles=maxNrOfPuzzleStages;

	}

	if (nrOfPuzzles < 0) {

		nrOfPuzzles = 0;

	}

	for (int k=0; k<nrOfPuzzles ; k++) {

		inFile >> nrOfMovesAllowed.at(k);

		for (int i=11; i>=0; i--)

			for (int j=0; j<6; j++) {

				inFile >> puzzleLevels[k][j][i];

			}

	}

	LoadClearData();

	return 0;

}

int SavePuzzleStages() {

	if (puzzleName.empty()) {

		std::cerr << "Error: No puzzle name set. Cannot save.\n";

		return -1;

	}

	std::string fileContent = std::to_string(nrOfPuzzles) + "\n";

	for (int k=0; k<nrOfPuzzles ; k++) {

		fileContent += std::to_string(nrOfMovesAllowed.at(k)) + "\n";

		for (int i=11; i>=0; i--)

			for (int j=0; j<6; j++) {

				fileContent += std::to_string(puzzleLevels[k][j][i]) + " ";

			}

		fileContent += "\n";

	}

	sago::WriteFileContent(((std::string)("puzzles/"+puzzleName)).c_str(), fileContent);

	return 0;

}

void EditorRemovePuzzle(size_t level) {

	if (level >= nrOfPuzzles) {

		return;

	}

	//Shift all puzzles up.

	memmove(puzzleLevels[level], puzzleLevels[level+1], sizeof(puzzleLevels[0])*(nrOfPuzzles-level-1));

	nrOfPuzzles--;

}

void EditorAddPuzzle(size_t level) {

	if (nrOfPuzzles >= maxNrOfPuzzleStages) {

		return;

	}

	if (level >= maxNrOfPuzzleStages) {

		level = 0;

	}

	memmove( puzzleLevels[level+1], puzzleLevels[level], sizeof(puzzleLevels[0])*(maxNrOfPuzzleStages-level-1) );

	nrOfPuzzles++;

	for (size_t i = 0; i < 6; i++) {

		for (size_t j =0; j < 12; j++) {

			puzzleLevels[level][i][j] = -1;

		}

	}

}

void EditorResizePuzzleNumber(size_t number_of_puzzles) {

	if (number_of_puzzles > 50) {

		number_of_puzzles = 50;

	}

	nrOfPuzzles = number_of_puzzles;

}