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://blockattack.sf.net

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

*/

#ifndef BLOCKGAME_HPP

#define BLOCKGAME_HPP 1

#include "stats.h"

#include "common.h"

#include "SDL.h"

#include "replay.h"

//Some definitions

//The game is divided in frames. FALLTIME means the blocks will fall one block every FRAMELENGTH*FALLTIME millisecond

#define FRAMELENGTH 50

#define HANGTIME 40

#define FALLTIME 20

//Don't change the following, they are fundamental and later some functions are hardcoded

#define BLOCKFALL 10000

#define BLOCKWAIT 100000

#define BLOCKHANG 1000

#define GARBAGE 1000000

#define CHAINPLACE 10000000

#define NUMBEROFCHAINS 100

#define ACTION_UPDATE 0

#define ACTION_MOVECURSOR 1

#define ACTION_MOVECURSORTO 2

#define ACTION_SWITCH 3

#define ACTION_PUSH 4

#define ACTION_CREATEGARBAGE 5

#define ACTION_CREATEGRAYGARBAGE 6

#define ACTION_GAMEOVER 7

#define ACTION_WIN 8

#define ACTION_DRAW 9

#define ACTION_GAMESPEED 10

#define ACTION_HANDICAP 11

#define ACTION_NEW 12

#define ACTION_NEWTT 13

#define ACTION_NEWVS 14

#define ACTION_STARTBLOCKS 15

#define ACTION_NOP 16

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

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

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

class BlockGame

{

private:

	int prevTowerHeight;

	bool bGarbageFallLeft;

	Uint32 nextGarbageNumber;

	Uint32 pushedPixelAt;

	Uint32 nrPushedPixel, nrFellDown, nrStops;

	bool garbageToBeCleared[7][30];

	Uint32 lastAImove;

	Sint16 AI_LineOffset; //how many lines have changed since command

	Uint32 hangTicks;    //How many times have hang been decreased?

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

	Uint8 chainSize[NUMBEROFCHAINS]; //Contains the chains

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

	Uint32 nextRandomNumber;

	Uint16 rand2();

	int firstUnusedChain();

//public:

protected:

	int lastCounter;

	string strHolder;

	bool bDraw;

	bool bReplaying; //true if we are watching a replay

#if NETWORK

	bool bNetworkPlayer; //must recieve packages from the net

	bool bDisconnected; //The player has disconnected

#endif

	unsigned int ticks;

	Sint32 gameStartedAt;

	Sint32 gameEndedAfter;		//How long did the game last?

	int replayIndex; //Used during replay to remeber how many replay actions we have performed.

	int actionIndex; //Used during network to remeber how many actions we have sent.

	int linesCleared;

	int TowerHeight;

	BlockGame *garbageTarget;

	Sint32 board[7][30];

	int stop;

	int speedLevel;

	int pixels;

	int MovesLeft;

	bool timetrial, stageClear, vsMode, puzzleMode;

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

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

	int topx, topy;

	int combo;

	int chain;

	int cursorx; //stores cursor position

	int cursory; // -||-

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

	Uint32 score;

	bool bGameOver;

	bool hasWonTheGame;

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

	bool AI_Enabled;

	Uint32 handicap;

	int AIlineToClear;

	short AIstatus;   //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:

	char name[30];

	Replay theReplay;   //Stores the replay

public:

	//Constructor

	BlockGame();

	//Deconstructor, never really used... game used to crash when called, cause of the way sBoard was created

	//It should work now and can be used if we want to assign more players in network games that we need to free later

	~BlockGame();

	void setGameSpeed(Uint8 globalSpeedLevel);

	void setHandicap(Uint8 globalHandicap);

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

	//Also enables AI

	void setAIlevel(Uint8 aiLevel);

	Uint8 getAIlevel();

	int GetScore();

	int GetHandicap();

	bool isGameOver();

	int GetTopX();

	int GetTopY();

	Sint32 GetGameStartedAt();

	Sint32 GetGameEndedAt();

	bool isTimeTrial();

	bool isStageClear();

	bool isVsMode();

	bool isPuzzleMode();

	int GetLinesCleared();

	int GetStageClearLimit();

	int GetChains();

	int GetPixels();

	int GetSpeedLevel();

	int GetTowerHeight();

	int GetCursorX();

	int GetCursorY();

	void MoveCursorTo(int x, int y);

	bool GetIsWinner();

	//Instead of creating new object new game is called, to prevent memory leaks

	void NewGame(int tx, int ty, unsigned int ticks);

	void NewTimeTrialGame(int x,int y, unsigned int ticks);

	//Starts a new stage game, takes level as input!

	void NewStageGame(int level, int tx, int ty,unsigned int ticks);

	void NewPuzzleGame(int level, int tx, int ty, unsigned int ticks);

	//Replay the current level

	void retryLevel(unsigned int ticks);

	//Play the next level

	void nextLevel(unsigned int ticks);

	//Starts new Vs Game (two Player)

	void NewVsGame(int tx, int ty, BlockGame *target,unsigned int ticks);

	//Starts new Vs Game (two Player)

	void NewVsGame(int tx, int ty, BlockGame *target, bool AI,unsigned int ticks);

	//We want to play the replay (must have been loaded beforehand)

	void playReplay(int tx, int ty, unsigned int ticks, Replay r);

	void putStartBlocks(Uint32 n);

	//Creates garbage using a given wide and height

	bool CreateGarbage(int wide, int height);

	//Creates garbage using a given wide and height

	bool CreateGreyGarbage();

	//prints "Game Over" and ends game

	void SetGameOver();

	bool GetAIenabled();

	//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();

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

	void PushLine();

	void Update(int newtick);

	void PerformAction(int tick, int action, string param);

	/**

	 * 

     * @param tick Tick of the action

     * @param action The action

     * @param param Params.

     * @return 1 if an action was selected 

     */

	int GotAction(int &tick,int &action,string &param);

#if NETWORK

	//network play

	void playNetwork(int tx, int ty,unsigned int ticks);

#endif

	//Prints "winner" and ends game

	void setPlayerWon();

	//void SetGameOver();

#if NETWORK

	//Sets disconnected:

	void setDisconnect();

#endif

	//Prints "draw" and ends the game

	void setDraw();

private:

#if NETWORK

#define garbageStackSize 10

	Uint8 garbageStack[garbageStackSize][3]; //A garbage stack with space for 10 garbage blocks. 0=x,1=y,2=type

	int garbageStackUsed;

	void emptyGarbageStack();

	bool pushGarbage(Uint8 width, Uint8 height, Uint8 type);

public:

	bool popGarbage(Uint8 *width, Uint8 *height, Uint8 *type);

private:

#endif

	//Go in Demonstration mode, no movement

	void Demonstration(bool toggle);

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

	bool LineEmpty(int lineNr);

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

	bool BoardEmpty();

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

	bool hasStaticContent();

	void putStartBlocks();

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

	void ReduceStuff();

	//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();

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

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

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

	//First the helpet functions:

	int nrOfType(int line, int type);

	int AIcolorToClear;

	//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;

	void AI_Move();

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

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

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

	void ActionPerformed(int action, string param);

	void PushLineInternal();

	//Updates evrything, if not called nothing happends

	void Update();

	void UpdateInternal(int newtick);

};

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

///////////////////////// BlockAttack class end ////////////////////////////////

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

#endif