blame: source/code/BlockGame.hpp

/*

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

blockattack - Block Attack - Rise of the Blocks

Copyright (C) 2005-2012 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://www.blockattack.net

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

*/

#ifndef BLOCKGAME_HPP

#define BLOCKGAME_HPP 1

#include "stats.h"

#include "common.h"

#define NUMBEROFCHAINS 100

#define BLOCKWAIT 100000

#define BLOCKHANG 1000

enum stageButton {SBdontShow, SBstageClear, SBpuzzleMode};

extern stageButton stageButtonStatus;

//This is the size of the blocks. They are always 50. The internal logic calculates it that way

const int bsize = 50;

/**

 * This struct defines the start conditions of the game

 */

struct BlockGameStartInfo {

	unsigned int ticks = 0;

	bool timeTrial = false;

	///True means a stage clear game will be started. level must be set too.

	bool stageClear = false;

	///True if puzzle mode. level must be set too.

	bool puzzleMode = false;

	///Single puzzle is used for the editor only.

	bool singlePuzzle = false;

	int level = 0;

	bool AI = false;

	/**

	 * True means that stats will be recorded.

	 * If AI is true then this will be overruled to false 

	 */

	bool recordStats = true;

	bool vsMode = false;

	/**

	 * Set to true if we are fighting an AI. level should be the AI level we are fighting

	 */

	bool vsAI = false;

	int startBlocks = -1;

	int handicap = 0;

	int gameSpeed = 0;

};

struct GarbageStruct {

	bool greyGarbage = false;

	int width = 0;

	int height = 0;

	void setGarbage(int w, int h, bool g = false) {

		greyGarbage = g;

		width = w;

		height = h;

	}

};

struct BlockGameAction {

	enum class Action {NONE, UPDATE, SET_DRAW, SET_WON, SET_GAME_OVER, MOVE, SWITCH, PUSH, PUSH_GARBAGE, MOUSE_DOWN, MOUSE_UP, MOUSE_MOVE};

	Action action = Action::NONE;

	unsigned int tick = 0;  //< Used for update

	char way = '\0';  //< The direction to move the cursor: 'N', 'E', 'S' or 'W'

	int x = 0;

	int y = 0;

	std::vector<GarbageStruct> garbage;

};

////////////////////////////////////////////////////////////////////////////////

//The BloackGame class represents a board, score, time etc. for a single player/

////////////////////////////////////////////////////////////////////////////////

class BlockGame

{

private:

	int prevTowerHeight = 0;

	bool bGarbageFallLeft = false;

	bool singlePuzzle = false;

	int nextGarbageNumber = 0;

	int pushedPixelAt = 0;

	int nrPushedPixel = 0;

	int nrFellDown = 0;

	unsigned int nrStops = 0;

	bool garbageToBeCleared[7][30];

	unsigned int lastAImove = 0;

	int AI_LineOffset = 0; //how many lines have changed since command

	int hangTicks = 0;    //How many times have hang been decreased?

	//int the two following index 0 may NOT be used (what the fuck did I meen?)

	int chainSize[NUMBEROFCHAINS]{}; //Contains the chains

	bool chainUsed[NUMBEROFCHAINS]{};   //True if the chain is used

	unsigned int nextRandomNumber = 0;

	int Level = 0; //Only used in stageClear and puzzle (not implemented)

	int rand2();

	int firstUnusedChain();

//public:

protected:

	int lastCounter = 0;

	std::string strHolder;

	bool bDraw = false;

	unsigned int ticks = 0;

	unsigned int gameStartedAt = 0;

	unsigned int gameEndedAfter = 0;		//How long did the game last?

	int linesCleared = 0;

	int TowerHeight = 0;

	int board[7][30];

	int stop = 0;

	int speedLevel = 0;

	int pixels = 0;

	int MovesLeft = 0;

	bool timetrial = false;

	bool stageClear = false;

	bool vsMode = false;

	bool puzzleMode = false;

	int stageClearLimit = 0; //stores number of lines user must clear to win

	int combo = 0;

	int chain = 0;

	int cursorx = 2; //stores cursor position

	int cursory = 3; // -||-

	int mouse_cursorx = -1;  //Stores the mouse hold cursor. -1 if nothing is selected.

	int mouse_cursory = -1;

	double speed = 0.0;

	double baseSpeed = 0.0; //factor for speed. Lower value = faster gameplay

	int score = 0;

	bool bGameOver = false;

	bool hasWonTheGame = false;

	int AI_MoveSpeed = 0;   //How often will the computer move? milliseconds

	bool AI_Enabled = false;

	bool recordStats = true;

	bool vsAI = false;  //Set to true for single player vs

	int handicap = 0;

	std::vector<GarbageStruct> garbageSendQueue;

	int AIlineToClear = 0;

	short AIstatus = 0;   //Status flags:

	//0: nothing, 2: clear tower, 3: clear horisontal, 4: clear vertical

	//1: make more lines, 5: make 2 lines, 6: make 1 line

public:

	std::string name;

public:

	BlockGame();

	virtual ~BlockGame() = default;

	int getAIlevel()  const;

	virtual void AddText(int x, int y, const std::string& text, int time) const  {}

	virtual void AddBall(int x, int y, bool right, int color) const  {}

	virtual void AddExplosion(int x, int y) const  {}

	virtual void PlayerWonEvent() const  {}

	virtual void DrawEvent() const {}

	virtual void BlockPopEvent() const  {}

	virtual void LongChainDoneEvent() const  {}

	virtual void TimeTrialEndEvent() const  {}

	virtual void EndlessHighscoreEvent() const  {}

	void NewGame(const BlockGameStartInfo &s);

	void DoAction (const BlockGameAction& action);

	/**

	 * This function returns all the garbage.

	 * This is actual const in the way that it does not change the games state

	 * Technically it is not const because it empties the queue that are stored inside the object even if not part of the game state.

	 * @param poppedData

	 */

	void PopSendGarbage(std::vector<GarbageStruct>& poppedData);

	int GetScore() const;

	int GetHandicap() const;

	bool isGameOver() const;

	int GetGameStartedAt() const;

	int GetGameEndedAt() const;

	bool isTimeTrial() const;

	bool isStageClear() const;

	bool isVsMode() const;

	bool isPuzzleMode() const;

	int GetLinesCleared() const;

	int GetStageClearLimit() const;

	int GetChains() const;

	int GetPixels() const;

	int GetSpeedLevel() const;

	int GetTowerHeight() const;

	int GetCursorX() const;

	int GetCursorY() const;

	void GetMouseCursor(bool& pressed, int& x, int&y) const;

	bool GetIsWinner() const;

    bool isSinglePuzzle() const;

    int getLevel() const;

	bool GetAIenabled() const;

	bool IsNearDeath() const;

private:

	void NewGame(unsigned int ticks);

	//Test if LineNr is an empty line, returns false otherwise.

	bool LineEmpty(int lineNr) const;

	//Test if the entire board is empty (used for Puzzles)

	bool BoardEmpty() const;

	//Anything that the user can't move? In that case Game Over cannot occur

	bool hasStaticContent() const;

	void putStartBlocks();

	void putStartBlocks(int n);

	//decreases hang for all hanging blocks and wait for waiting blocks

	void ReduceStuff();

	void setGameSpeed(int globalSpeedLevel);

	void setHandicap(int globalHandicap);

	//Clears garbage, must take one the lower left corner!

	int GarbageClearer(int x, int y, int number, bool aLineToClear, int chain);

	//Marks garbage that must be cleared

	int GarbageMarker(int x, int y);

	int FirstGarbageMarker(int x, int y);

	//Clear Blocks if 3 or more is alligned (naive implemented)

	void ClearBlocks();

	//Moves all peaces a spot down if possible

	int FallBlock(int x, int y, int number);

	//Makes all Garbage fall one spot

	void GarbageFall();

	//Makes the blocks fall (it doesn't test time, this must be done before hand)

	void FallDown();

	//Pushes a single pixel, so it appears to scrool

	void PushPixels();

	//See how high the tower is, saved in integer TowerHeight

	void FindTowerHeight();

	//Generates a new line and moves the field one block up (restart puzzle mode)

	void PushLine();

	//prints "Game Over" and ends game

	void SetGameOver();

	//Moves the cursor, receaves N,S,E or W as a char an moves as desired

	void MoveCursor(char way);

	//switches the two blocks at the cursor position, unless game over

	void SwitchAtCursor();

	//Creates garbage using a given wide and height

	bool CreateGarbage(int wide, int height);

	//Creates garbage using a given wide and height

	bool CreateGreyGarbage();

	void MouseDown(int x, int y);  //Send then the mouse is pressed 

	void MouseMove(int x);  //Send then the mouse moves

	void MouseUp();  //Send then the mouse goes up

	void MoveCursorTo(int x, int y);

///////////////////////////////////////////////////////////////////////////

/////////////////////////// AI starts here! ///////////////////////////////

///////////////////////////////////////////////////////////////////////////

	//First the helpet functions:

	int nrOfType(int line, int type);

	int AIcolorToClear = 0;

	//See if a combo can be made in this line

	int horiInLine(int line);

	bool horiClearPossible();

	//the Line Has Unmoveable Objects witch might stall the AI

	bool lineHasGarbage(int line);

	//Types 0..6 in line

	int nrOfRealTypes(int line);

	//See if there is a tower

	bool ThereIsATower();

	double firstInLine1(int line);

	//returns the first coordinate of the block of type

	double firstInLine(int line, int type);

	//There in the line shall we move

	int closestTo(int line, int place);

	//The AI will remove a tower

	void AI_ClearTower();

	//The AI will try to clear block horisontally

	void AI_ClearHori();

	//Test if vertical clear is possible

	bool veriClearPossible();

	//There in the line shall we move

	int closestTo(int line, int type, int place);

	//The AI will try to clear blocks vertically

	void AI_ClearVertical();

	bool firstLineCreated = 0;

	void AI_Move();

//////////////////////////////////////////////////////////////////

///////////////////////////// AI ends here! //////////////////////

//////////////////////////////////////////////////////////////////

	//Set the move speed of the AI based on the aiLevel parameter

	void setAIlevel(int aiLevel);

	void PushLineInternal();

	//Prints "winner" and ends game

	void setPlayerWon();

	//Prints "draw" and ends the game

	void setDraw();

	//Updates evrything, if not called nothing happends

	void Update();

	void UpdateInternal(unsigned int newtick);

};

//Play the next level

void nextLevel(BlockGame& g, unsigned int ticks);

//Replay the current level

void retryLevel(BlockGame& g, unsigned int ticks);

#endif