Diff: pacman.cpp

Revision:

0:be33a1fad8c0

Child:

1:fbda247b843b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pacman.cpp	Fri Feb 24 17:33:27 2017 +0000
@@ -0,0 +1,137 @@
+/* Gatech ECE2035 2015 SPRING PAC MAN
+ * Copyright (c) 2015 Gatech ECE2035
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+ 
+#include "mbed.h"
+#include "globals.h"
+#include "map_public.h"
+#include "pacman.h"
+
+PLAYER pacman;
+int score;
+
+void pacman_init(int grid_x, int grid_y){
+    pacman.motion = PACMAN_HEADING_RIGHT;
+    pacman.status = PACMAN_WAIT_COMMAND;
+    pacman.grid_x = grid_x;
+    pacman.grid_y = grid_y;
+    map_eat_cookie(grid_x,grid_y); //clear the cookie on the grid.
+    pacman_draw();
+    score = 0;
+    uLCD.printf("score:%d",score);
+}
+
+void pacman_draw(void){
+    int x = pacman.grid_x;
+    int y = pacman.grid_y;
+    GRID grid_info = map_get_grid_status(x,y);
+    int screen_x = grid_info.x + GRID_RADIUS;
+    int screen_y = grid_info.y + GRID_RADIUS;
+    uLCD.filled_circle(screen_x, screen_y, GRID_RADIUS, PACMAN_COLOR);
+    //draw the mouth of Pacman
+    switch(pacman.motion){
+        case PACMAN_HEADING_RIGHT: 
+            uLCD.filled_rectangle(screen_x,screen_y-1,screen_x+GRID_RADIUS,screen_y+1, BACKGROUND_COLOR);
+            break;
+        case PACMAN_HEADING_LEFT: 
+            uLCD.filled_rectangle(screen_x-GRID_RADIUS,screen_y-1,screen_x,screen_y+1, BACKGROUND_COLOR);
+            break;
+        case PACMAN_HEADING_UP: 
+            uLCD.filled_rectangle(screen_x-1,screen_y-GRID_RADIUS,screen_x+1,screen_y, BACKGROUND_COLOR);
+            break;
+        case PACMAN_HEADING_DOWN: 
+            uLCD.filled_rectangle(screen_x-1,screen_y,screen_x+1,screen_y+GRID_RADIUS, BACKGROUND_COLOR);
+            break;
+        default: //head right
+            uLCD.filled_rectangle(screen_x,screen_y-1,screen_x+GRID_RADIUS,screen_y+1, BACKGROUND_COLOR);
+            break;
+    }
+}
+
+void pacman_clear(void){
+    int x = pacman.grid_x;
+    int y = pacman.grid_y;
+    GRID grid_info = map_get_grid_status(x,y);
+    uLCD.filled_rectangle(grid_info.x, grid_info.y, grid_info.x+GRID_SIZE-1, grid_info.y+GRID_SIZE-1, BACKGROUND_COLOR);
+}
+
+void pacman_set_action(PACMAN_MOTION motion){
+    if(motion == PACMAN_NO_UPDATE)
+        return;
+        
+    pacman.motion = motion;
+    pacman.status = PACMAN_RUNNING;
+}
+
+void pacman_update_position(void){
+    GRID next_grid_info;
+    int x = pacman.grid_x;
+    int y = pacman.grid_y;
+    if(pacman.status==PACMAN_RUNNING){
+        switch(pacman.motion){
+            case PACMAN_HEADING_UP:
+                if(y==0)
+                    y = NUM_GRID_Y-1;
+                else
+                    y--;
+                break;
+            case PACMAN_HEADING_DOWN:
+                if(y==(NUM_GRID_Y-1))
+                    y = 0;
+                else
+                    y++;
+                break;
+            case PACMAN_HEADING_RIGHT:
+                if(x==NUM_GRID_X-1)
+                    x = 0;
+                else
+                    x++;
+                break;
+            case PACMAN_HEADING_LEFT:
+                if(x==0)
+                    x = NUM_GRID_X-1;
+                else
+                    x--;
+                break;
+        }
+        next_grid_info = map_get_grid_status(x,y);
+        if(next_grid_info.status==GRID_WALL){
+            pacman.status=PACMAN_WAIT_COMMAND;
+        }
+        else{
+            //clear the picture of previous
+            pacman_clear();
+            //update pacman position in map
+            pacman.grid_x = x;
+            pacman.grid_y = y;
+            pacman_draw();
+            if(next_grid_info.status>=GRID_COOKIE){
+                map_eat_cookie(x,y);
+                score++;
+                if(next_grid_info.status==GRID_SUPER_COOKIE) //one super cookie worth 5 points
+                    score+=4;
+                uLCD.locate(0,0);
+                uLCD.printf("score:%d",score);
+            }
+        }
+    }
+        
+}
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