ghost.h

00001 /* Gatech ECE2035 2015 SPRING PAC MAN
00002  * Copyright (c) 2015 Gatech ECE2035
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy
00005  * of this software and associated documentation files (the "Software"), to deal
00006  * in the Software without restriction, including without limitation the rights
00007  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008  * copies of the Software, and to permit persons to whom the Software is
00009  * furnished to do so, subject to the following conditions:
00010  *
00011  * The above copyright notice and this permission notice shall be included in
00012  * all copies or substantial portions of the Software.
00013  *
00014  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
00020  * SOFTWARE.
00021  */
00022 /** @file ghost.h */
00023 #ifndef GHOST_H
00024 #define GHOST_H
00025 
00026 #include "mbed.h"
00027 //#include "uLCD_4DGL.h"
00028 #include "ghost.h "
00029 #include "map_public.h "
00030 #include "globals.h"
00031 #include "pacman.h "
00032 #include "doubly_linked_list.h "
00033 
00034 extern uLCD_4DGL uLCD;
00035 
00036 
00037 /// The enum defines the motion of a ghost
00038 typedef enum {
00039     GHOST_UP=0, ///< move up
00040     GHOST_DOWN, ///< move down
00041     GHOST_LEFT, ///< move left
00042     GHOST_RIGHT, ///< move right
00043     GHOST_DIED
00044 } GHOST_MOTION;
00045 
00046 
00047 /// This struct contains the status of a ghost
00048 typedef struct
00049 {
00050     unsigned int x;   ///< horizontal position in the grid
00051     unsigned int y;   ///< vertical position in the grid
00052     unsigned int color;   ///< color of the ghost
00053     GHOST_MOTION ghost_motion;  ///< the motion of the ghost  
00054 } GHOST;
00055 
00056 //Initialize an empty doublely linked list
00057 void ghost_init(void);
00058 
00059 /** Create a ghost with given position and color. Then add to the ghost doublely linked list
00060     @param blk_x The horizontal position in the grid.
00061     @param blk_y The vertical position in the grid.
00062     @param color Color of the ghost
00063 */
00064 void ghost_create(unsigned int blk_x, unsigned int blk_y, unsigned int color);
00065 
00066 /** Draw the ghost in the linked list on the screen
00067 */
00068 void ghost_show(DLinkedList* list);
00069 
00070 /** Move every ghost in the list randomly on the map for one step
00071 */
00072 void ghost_random_walk(void);
00073 
00074 /** Return the doubly linked list of ghost
00075 */
00076 DLinkedList* get_ghost_list(void);
00077 
00078 int ghost_collision(DLinkedList* list, int x, int y, int invuln);
00079 
00080 
00081 /** Extra Feature Function:
00082     Create a super ghost with given position and color. Then add to the super ghost doublely linked list
00083     A super ghost is itself a max-size-3 linked list. A super ghost is itself a linked list. The head always 
00084     walk randomly while the other two node keep track of the two lastest history position.
00085     @param blk_x The horizontal position in the grid.
00086     @param blk_y The vertical position in the grid.
00087     @param color Color of the ghost
00088 */
00089 void super_ghost_create(unsigned int blk_x, unsigned int blk_y, unsigned int color);
00090 
00091 /** Extra Feature Function:
00092     Move the super ghost in the list randomly on the map for one step
00093 */
00094 void super_ghost_random_walk(void);
00095 
00096 /** Extra Feature Function:
00097     Return the doubly linked list of super ghost
00098 */
00099 DLinkedList* get_super_ghost_list(void);
00100 #endif //GHOST_H