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* This file is part of Wizznic. *
* Copyright 2009-2012 Jimmy Christensen <> *
* Wizznic 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 3 of the License, or *
* (at your option) any later version. *
* *
* Wizznic is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with Wizznic. If not, see <>. *
#include "defs.h"
#include "cursor.h"
#include "list.h"
#include "sound.h"
#include "levels.h"
#include "teleport.h"
#define UNSOLVABLE -2
struct brick_t
int type;
int dx, dy; //destionation positions, for when moving
int sx, sy; //source destionation, for clearing block when they moved
int dmx; //"Delayed movement" for if moving a brick when it's between bricks.
int moveXspeed, moveYspeed;
int pxx, pxy; //Position in pixels
int curLock; //Cursor locked to brick
int dir; //Used to switch direction on movers, otherwise used to indicate that brick is just added to removelist
int tl; //dirchange time left, used for kill timeout too
int checked; //Have this brick been checked in this loop ? (for bricks that moved)
int wall; //Only used by walls, index in walls-sprite array.
int isActive; //Only used by switches, if 1, the switch have activated it's target (if 0, the target is in the deactivated list).
struct brick_t* target; //Only used by switched, target brick, is set upon init.
typedef struct brick_t brickType;
struct playField_t
levelInfo_t* levelInfo;
brickType* board[FIELDSIZE][FIELDSIZE]; //Matrix of pointers, initialized to 0 by loadmap
brickType* blocker; //Universial, invisible, quite magic blocker, for reserving space when bricks are travelling.
listItem* movingList; //Start of the linked list of moving bricks
listItem* deactivated; //Bricks that are deactivated by a switch.
listItem* removeList; //Start of the linked list of bricks that's going to die, tl counts down their lifespan
typedef struct playField_t playField;
void boardSetWalls(playField* pf);
int loadField(playField* pf, const char* file); //Henter et spillefelt med filnavnet, retunerer 0 ved fejl.
void freeField(playField* pf); //Frees allocated memory
void simField(playField* pf, cursorType* cur); //Does logic on the field (gravity/moving bricks)
int doRules(playField* pf); //Does gameRules, returns number of bricks destroyed, returns -1 when no more bricks left.
int moveBrick(playField* pf, int x, int y, int dirx,int diry, int block, int speed); //Move a brick within the field (if possible) in either 0:Left, 1: Right, returns 1 on success
void telePortBrick(playField* pf,telePort_t* t, cursorType* cur);
int isBrickFalling(playField* pf, brickType* b);
inline int isBrick(brickType* b);
int isSwitch(brickType* b);
int isWall(playField* pf, int x, int y);
int isMover(brickType* b);
int isOneWay(brickType* b);
int curMoveBrick(playField *pf, brickType *b, int dir);
brickType* findMoving(playField* pf, int x, int y);
brickType* brickUnderCursor(playField* pf, int x, int y);
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