fix(MCU课设): 修正方块下落显示bug

MCU/MCU_REAL _FINAL/block.c

@@ -1,15 +1,16 @@
 #include "block.h"
 #include "draw.h"
+#include "button.h"
 
-unsigned char base[MAX_X][MAX_Y]={0}; //x*y	//0为空 1为下落完成 2为正在下落
+char base[MAX_X][MAX_Y] = {0}; //x*y	//0为空 1为下落完成 2为正在下落
-
+enum BLK_TP type = none;
 void blockInit()
 {
 
   base[0][0] = 1;
   base[0][1] = 1;
   base[0][2] = 1;
-//	genPiece();
+
 }
 
 void blockDestroy()
@@ -19,14 +20,18 @@ void blockDestroy()
 
 void genPiece()
 {
+
+  char i, j;
+	
 	//需要一点随机性
   int random = rand() % 4;
   int len = 2 + rand() % 3;
 	
-	
+  //若存在尚未下落完成的方块则打断
-	piece.mother.x=4;
+  for(i = 0; i < MAX_X; i++)
-	piece.mother.y=8;
+    for(j = 0; j < MAX_Y; j++)
-	
+      if(base[i][j] == 2)
+        break;
 
 
   //当两个方块的情况
@@ -34,13 +39,13 @@ void genPiece()
     {
       if(random % 2 == 0)
         {
+          base[4][7] = 2;						//
           base[4][8] = 2;						//
-					base[4][9]=2;						//
         }
       else
         {
-          base[3][8]=2;						////
+          base[3][7] = 2;						////
-					base[4][8]=2;
+          base[4][7] = 2;
         }
     }
   //当三个方块的情况
@@ -48,65 +53,128 @@ void genPiece()
     {
       if(random == 0)
         {
+          base[4][7] = 2;
           base[4][8] = 2;
           base[4][9] = 2;
-					base[4][10]=2;
         }
       else if(random == 1)
         {
-          base[3][8]=2;
+          base[3][7] = 2;
-					base[4][8]=2;
+          base[4][7] = 2;
-					base[5][8]=2;
+          base[5][7] = 2;
         }
       else if(random == 2)
         {
-					base[3][9]=2;
           base[3][8] = 2;
-          base[4][8]=2;
+          base[3][7] = 2;
+          base[4][7] = 2;
         }
       else if (random == 3)
         {
-					base[4][9]=2;
-					base[3][8]=2;
           base[4][8] = 2;
+          base[3][7] = 2;
+          base[4][7] = 2;
         }
     }
   //当四个方块的情况
   if(len == 3)
     {
-					base[3][9]=2;
+      base[3][7] = 2;
-					base[4][9]=2;
+      base[4][7] = 2;
       base[3][8] = 2;
       base[4][8] = 2;
     }
 }
-unsigned char isIegal(unsigned char i,unsigned char j)
+
+//动作是否在屏幕内
+unsigned char isIegal(char i, char j)
 {
-	if(i>=0&&i<MAX_X&&j>=0&&j<MAX_Y)
+  if(i >= 0 && i < MAX_X && j >= 0 && j < MAX_Y && base[i][j] == 0)
     return 1;
   return 0;
 }
+
+//方块绘制
+void drawBlock()
+{
+  char i, j;
+  for(i = 0; i < 8; i++)
+    for(j = 0; j < 8; j++)
+      if(base[i][j] != 0)
+        placeIMG_BLOCK(i, j);
+      else
+        place_VOID_BLOCK(i, j);
+}
+
+//方块下落与合并
 void dropPiece()
 {
-	int i.j;
+  char i, j, flag = 0;
-	for(i=0,i<MAX_X,i++)
+
-		for(j=0,j<MAX_Y,j++)
+  //检测是否触底
+  for(i = 0; i < 8; i++)
     {
-			if(base[i][j]==2&&isIegal(i,j-1))
+      for(j = 0; j < 8; j++)
+        {
+          if(flag == 1)
+            break;
+          if(base[i][j] == 2)
+            {
+              //若触底,做标记
+              if(flag == 0 && (base[i][j - 1] == 1 || j == 0))
+                {
+                  flag = 1;
+                  break;
+                }
+
+            }
+        }
+      if(flag == 1)
+        break;
+    }
+  //转换嵌套
+  for(i = 0; i < 8; i++)
+    {
+      for(j = 0; j < 8; j++)
+        {
+          if(base[i][j] == 2)
+            {
+							//无标记则下落
+              if(flag == 0 && isIegal(i, j - 1))
                 {
                   base[i][j - 1] = 2;
                   base[i][j] = 0;
+                }
+							//有标记则转换
+              else if(flag == 1)
+                base[i][j] = 1;
+            }
+        }
+    }
+
+}
+
+//方块平移
+void movePiece(enum OPR opr)
+{
+  char i, j;
+  for(i = 0; i < 8; i++)
+    for(j = 0; j < 8; j++)
+      if(base[i][j] == 2)
+        {
+
+
+          if(opr == left && isIegal(i - 1, j))
+            {
+              base[i - 1][j] = 2;
+              base[i][j] = 0;
+            }
+          else if(opr == left && isIegal(i + 1, j))
+            {
+              base[i + 1][j] = 2;
+              base[i][j] = 0;
             }
         }
 }
 
 
-void drawBlock()
-{
-	int i,j;
-	for(i=0;i<8;i++)
-		for(j=0;j<8;j++)
-			if(base[i][j]==1)
-				placeIMG_BLOCK(i,j);
-	placeIMG_BLOCK(piece.mother.x,piece.mother.y);
-}

MCU/MCU_REAL _FINAL/draw.c

@@ -244,7 +244,7 @@ void drawMAINMENU(unsigned char i)
 	}
 void placeIMG_BLOCK(unsigned char x,unsigned char y)
 {
-	  unsigned int j;
+	 char j;
   for(j = 0 ; j < 8; j++)
     {
 
@@ -264,3 +264,24 @@ void placeIMG_BLOCK(unsigned char x,unsigned char y)
     }
 }
 
+void place_VOID_BLOCK(unsigned char x,unsigned char y)
+{
+	char j;
+  for(j = 0 ; j < 8; j++)
+    {
+
+      CSA = 1;
+      CSB = 0;
+      RS = 0;
+      RW = 0;
+      P1 = 0xb8 + 7 - y;
+      write();
+      P1 = 0X40 + x*8 + j;
+      write(); //Ò³7-yÁÐx*8+jÆÁA
+
+      RS = 1;
+      RW = 0;
+      P1 = 0x00;
+      write();
+    }
+}

MCU/MCU_REAL _FINAL/draw.h

@@ -9,4 +9,5 @@ void drawMAINMENU(unsigned char);
 ////===================  方块   ==================
 
 void placeIMG_BLOCK(unsigned char x,unsigned char y);
+void place_VOID_BLOCK(unsigned char x,unsigned char y);
 #endif

MCU/MCU_REAL _FINAL/menu.c

@@ -6,12 +6,12 @@
 #include <stdlib.h>
 #include "block.h"
 
-Menu M_STARTUP;
+
 Menu M_MAINMENU;//主菜单
 Menu M_BLOCK; 	//俄罗斯方块
 Menu M_BALL;		//弹球
 
-
+Menu M_STARTUP;
 
 Menu* NOW; //当前菜单指针
 Menu* LAST = NULL; //上一个状态的菜单
@@ -102,12 +102,19 @@ void m_block(struct _menu* this)
       LAST = &M_BLOCK;
 			blockInit();
     }
-		while(1)
+  if(opr == confirm)
     {
+			opr = idle;
+			blockDestroy();
+			drawBlock();
+			return;
+		}
+    
+		genPiece();
 		dropPiece();
 		drawBlock();
 		delay(200);
-		}
+		
 	
 }
 void menuInit()