adding in ecen427 space invaders final lab

ecen427/alien.c

@@ -0,0 +1,337 @@
+#include "alien.h"
+
+int leftLim;
+int rightLim;
+
+void renderAlien(unsigned int* framePointer) {
+	if(getGuise() == 0) {
+		setGuise(1);
+		renderAlien1(framePointer);
+	}else {
+		setGuise(0);
+		renderAlien2(framePointer);
+	}
+}
+
+void renderAlien1(unsigned int* framePointer) {
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	short line = 0;
+	short position = 0;
+	short* aliens = getAliens();
+	for(line = 0; line < 10; line++) {
+		if(line % 2 == 1) {
+			alieny += 10;
+		}
+		else {
+			if(line == 0) {
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((topAlien1[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 2 || line == 4) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((middleAlien1[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 6 || line == 8) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((bottomAlien1[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if( aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+		}
+	}
+}
+
+void renderAlien2(unsigned int* framePointer) {
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	short line = 0;
+	short position = 0;
+	short* aliens = getAliens();
+	for(line = 0; line < 10; line++) {
+		if(line % 2 == 1) {
+			alieny += 10;
+		}
+		else {
+			if(line == 0) {
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((topAlien2[row%16] & (1<<(32-1-col)))) && aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 2 || line == 4) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((middleAlien2[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+			if(line == 6 || line == 8) {
+				position += 11;
+				for(row=0; row<16; row++) {
+					short position_helper = -1;
+					for(col=0; col<352; col++) {
+						if (((bottomAlien2[row%16] & (1<<(32-1-col))))&& aliens[position+position_helper] == 1) {
+							framePointer[alieny*640 + alienx] = 0x00FFFFFF;
+						}
+//						else if(aliens[position+position_helper] == 0) {
+//
+//						}
+						else {
+							framePointer[alieny*640 + alienx] = 0x00000000;
+						}
+						if(col % 32 == 0) {
+							position_helper++;
+						}
+						alienx++;
+					}
+					alienx=getAlienBlockPositionX();
+					alieny++;
+				}
+			}
+		}
+	}
+}
+
+void blankAlien(unsigned int* framePointer){
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	short row=0, col=0;
+	for(row = 0; row < 130; row++){
+		for(col = 0; col < 352; col++){
+			framePointer[alieny*640 + alienx] = 0x00000000;
+			alienx++;
+		}
+		alienx=getAlienBlockPositionX();
+		alieny++;
+	}
+}
+
+void dyingAlien(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < 16; row++){
+		for(col = 0; col < 32; col++){
+			if ((dying_alien[row%16] & (1<<(32-1-col)))) {
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00FFFFFE;
+			} else {
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+			}
+		}
+	}
+}
+
+void dyingAlienHelper(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < 16; row++){
+		for(col = 0; col < 32; col++){
+				framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+		}
+	}
+}
+
+int columnCheck(int value) {
+	short* aliens = getAliens();
+	if(aliens[value] == 0 && aliens[value+11] == 0 && aliens[value+22] == 0 && aliens[value+33] == 0 && aliens[value+44] == 0) {
+		return 0;
+	}
+	return 1;
+}
+
+int setRightMax() {
+	int max = 352;
+	if(!columnCheck(10)) {
+		max = 320;
+		if(!columnCheck(9)) {
+			max = 288;
+			if(!columnCheck(8)) {
+				max = 256;
+				if(!columnCheck(7)) {
+					max = 224;
+					if(!columnCheck(6)) {
+						max = 192;
+						if(!columnCheck(5)) {
+							max = 160;
+							if(!columnCheck(4)) {
+								max = 128;
+								if(!columnCheck(3)) {
+									max = 96;
+									if(!columnCheck(2)) {
+										max = 64;
+										if(!columnCheck(1)) {
+											max = 32;
+											if(!columnCheck(0)) {
+												max = 0;
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	return max;
+}
+
+int setLeftMin() {
+	int min = 0;
+		if(!columnCheck(0)) {
+			min = 32;
+			if(!columnCheck(1)) {
+				min = 64;
+				if(!columnCheck(2)) {
+					min = 96;
+					if(!columnCheck(3)) {
+						min = 128;
+						if(!columnCheck(4)) {
+							min = 160;
+							if(!columnCheck(5)) {
+								min = 192;
+								if(!columnCheck(6)) {
+									min = 224;
+									if(!columnCheck(7)) {
+										min = 256;
+										if(!columnCheck(8)) {
+											min = 288;
+											if(!columnCheck(9)) {
+												min = 320;
+												if(!columnCheck(10)) {
+													min = 352;
+												}
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		return min;
+}
+
+void moveAlien(unsigned int* framePointer) {
+	short dir = getDirection();
+	short alienx, alieny;
+	alienx = getAlienBlockPositionX();
+	alieny = getAlienBlockPositionY();
+	int right = setRightMax();
+	if((alienx+right) == 640 && dir == 0) {
+		setDirection(1);
+		blankAlien(framePointer);
+		alieny += 8;
+		setAlienBlockPosition(alienx, alieny);
+
+	}
+	int left = 0 - setLeftMin();
+	if(alienx == left && dir == 1) {
+		setDirection(0);
+		blankAlien(framePointer);
+		alieny += 8;
+		setAlienBlockPosition(alienx, alieny);
+
+	}
+	if(dir == 0) {
+		alienx += 4;
+		setAlienBlockPosition(alienx, alieny);
+	}
+	else {
+		alienx -= 4;
+		setAlienBlockPosition(alienx, alieny);
+	}
+}
+

ecen427/alien.h

@@ -0,0 +1,158 @@
+#ifndef ALIEN_H_
+#define ALIEN_H_
+#define ALIEN_HEIGHT 16
+
+// Packs each horizontal line of the figures into a single 32 bit word.
+#define packWord32(b31,b30,b29,b28,b27,b26,b25,b24,b23,b22,b21,b20,b19,b18,b17,b16,b15,b14,b13,b12,b11,b10,b9,b8,b7,b6,b5,b4,b3,b2,b1,b0) \
+((b31 << 31) | (b30 << 30) | (b29 << 29) | (b28 << 28) | (b27 << 27) | (b26 << 26) | (b25 << 25) | (b24 << 24) |						  \
+ (b23 << 23) | (b22 << 22) | (b21 << 21) | (b20 << 20) | (b19 << 19) | (b18 << 18) | (b17 << 17) | (b16 << 16) |						  \
+ (b15 << 15) | (b14 << 14) | (b13 << 13) | (b12 << 12) | (b11 << 11) | (b10 << 10) | (b9  << 9 ) | (b8  << 8 ) |						  \
+ (b7  << 7 ) | (b6  << 6 ) | (b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ) )
+
+int topAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int topAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+};
+
+int middleAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+int middleAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+};
+
+int bottomAlien1[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,1,1,1,0,0,0,1,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0),
+};
+
+int bottomAlien2[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,1,1,1,1,1,1,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,1,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0),
+};
+
+int dying_alien[ALIEN_HEIGHT] =
+{
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,1,1,1,0,0,0,1,1,0,0,1,1,0,0,1,1,0,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0),
+	packWord32(0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0),
+};
+
+void renderAlien(unsigned int*);
+void renderAlien1(unsigned int*);
+void renderAlien2(unsigned int*);
+void blankAlien(unsigned int*);
+void moveAlien(unsigned int*);
+
+#endif /* ALIEN_H_ */

ecen427/bullet.c

@@ -0,0 +1,226 @@
+#include "bullet.h"
+
+void renderBullet(unsigned int* framePointer) {
+	if(getGuiseBullet() == 0) {
+		setGuiseBullet(1);
+		renderBullet1(framePointer);
+	}else {
+		setGuiseBullet(0);
+		renderBullet2(framePointer);
+	}
+}
+
+void renderBullet1(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		short initial_x = getTankBulletPositionX();
+		short initial_y = getTankBulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((tankBullet[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		short initial_x = getAlien1BulletPositionX();
+		short initial_y = getAlien1BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		short initial_x = getAlien2BulletPositionX();
+		short initial_y = getAlien2BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet2_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		short initial_x = getAlien3BulletPositionX();
+		short initial_y = getAlien3BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet3_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		short initial_x = getAlien4BulletPositionX();
+		short initial_y = getAlien4BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_1[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+}
+
+void renderBullet2(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		short initial_x = getTankBulletPositionX();
+		short initial_y = getTankBulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((tankBullet[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		short initial_x = getAlien1BulletPositionX();
+		short initial_y = getAlien1BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		short initial_x = getAlien2BulletPositionX();
+		short initial_y = getAlien2BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet2_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		short initial_x = getAlien3BulletPositionX();
+		short initial_y = getAlien3BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet3_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		short initial_x = getAlien4BulletPositionX();
+		short initial_y = getAlien4BulletPositionY();
+		int x, y;
+		for(x = 0; x < BLOCK_HEIGHT; x++) {
+			for(y = 0; y < BLOCK_WIDTH; y++){
+				if ((alienBullet1_2[x%10] & (1<<(BLOCK_WIDTH-1-y)))) {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00FFFFFE;
+				} else {
+					framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+				}
+			}
+		}
+	}
+}
+
+void blankTankBullet(unsigned int* framePointer){
+	short tankx, tanky;
+    tankx = getTankBulletPositionX();
+    tanky = getTankBulletPositionY();
+	short row=0, col=0;
+	for(row = 0; row < BLOCK_HEIGHT; row++){
+		for(col = 0; col < BLOCK_WIDTH; col++){
+			framePointer[(tanky+row)*640 + tankx+col] = 0x00000000;
+		}
+	}
+}
+
+void blankAlienBullet(unsigned int* framePointer, short alienx, short alieny) {
+	short row=0, col=0;
+	for(row = 0; row < BLOCK_HEIGHT; row++){
+		for(col = 0; col < BLOCK_WIDTH; col++){
+			framePointer[(alieny+row)*640 + alienx+col] = 0x00000000;
+		}
+	}
+}
+
+void moveBullets(unsigned int* framePointer) {
+	if(getTankBulletState() == 1) {
+		if(getTankBulletPositionY() == 30) {
+			blankTankBullet(framePointer);
+			setTankBulletState(0);
+		}
+		else {
+			setTankBulletPositionY(getTankBulletPositionY()-1);
+		}
+	}
+	if(getAlien1BulletState() == 1) {
+		if(getAlien1BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien1BulletPositionX(), getAlien1BulletPositionY());
+			setAlien1BulletState(0);
+		}
+		else {
+			setAlien1BulletPositionY(getAlien1BulletPositionY()+1);
+		}
+	}
+	if(getAlien2BulletState() == 1) {
+		if(getAlien2BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien2BulletPositionX(), getAlien2BulletPositionY());
+			setAlien2BulletState(0);
+		}
+		else {
+			setAlien2BulletPositionY(getAlien2BulletPositionY()+1);
+		}
+	}
+	if(getAlien3BulletState() == 1) {
+		if(getAlien3BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien3BulletPositionX(), getAlien3BulletPositionY());
+			setAlien3BulletState(0);
+		}
+		else {
+			setAlien3BulletPositionY(getAlien3BulletPositionY()+1);
+		}
+	}
+	if(getAlien4BulletState() == 1) {
+		if(getAlien4BulletPositionY() == 450) {
+			blankAlienBullet(framePointer, getAlien4BulletPositionX(), getAlien4BulletPositionY());
+			setAlien4BulletState(0);
+		}
+		else {
+			setAlien4BulletPositionY(getAlien4BulletPositionY()+1);
+		}
+	}
+}

ecen427/bullet.h

@@ -0,0 +1,109 @@
+#ifndef BULLET_H_
+#define BULLET_H_
+
+#define BLOCK_HEIGHT 10
+#define BLOCK_WIDTH 6
+#define packWord24(b5,b4,b3,b2,b1,b0) \
+((b5  << 5 ) | (b4  << 4 ) | (b3  << 3 ) | (b2  << 2 ) | (b1  << 1 ) | (b0  << 0 ))
+
+int alienBullet1_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(1,1,1,1,1,1),
+		packWord24(1,1,1,1,1,1),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet1_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(1,1,1,1,1,1),
+		packWord24(1,1,1,1,1,1),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet2_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet2_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,1,1),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet3_1[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int alienBullet3_2[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(1,1,0,0,0,0),
+		packWord24(0,1,1,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,1,1,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+int tankBullet[BLOCK_HEIGHT] =
+{
+		packWord24(0,0,0,0,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,1,1,0,0),
+		packWord24(0,0,0,0,0,0),
+};
+
+void renderBullet(unsigned int*);
+void moveBullets(unsigned int*);
+#endif /* BULLET_H_ */

ecen427/bunker.c

@@ -0,0 +1,638 @@
+#include "bunker.h"
+#include "stdlib.h"
+#include "xintc_l.h"        // Provides handy macros for the interrupt controller.
+
+int x_y[4] = {BUNKER1_X, BUNKER2_X, BUNKER3_X, BUNKER4_X};
+int initial_x = 70;
+int initial_y = 300;
+int tank_y_position = 420;
+
+void renderBunker(unsigned int* framePointer) {		// draw for the first time
+	short x=0, y=0;
+
+	int i,j;
+	for(j = 0; j < 4; j++) {
+		initial_x = x_y[j];
+		for(i=0; i<10; i++){
+			switch(i){
+			case 0:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_left0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 1:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 2:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x00000000;
+						}
+					}
+				}
+				break;
+
+			case 3:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_right0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+
+				break;
+			case 4:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 5:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_center_left0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 6:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_center_right0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*2] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 7:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+				break;
+
+			case 8:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y] = 0x00000000;
+						}
+					}
+				}
+				break;
+			case 9:
+				for(x = 0; x < BLOCK_HEIGHT; x++) {
+					for(y = 0; y < BLOCK_WIDTH; y++){
+						if ((block_normal0[x%16] & (1<<(BLOCK_WIDTH-1-y)))) {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x0000FF00;
+						} else {
+							framePointer[(initial_y+x+BLOCK_HEIGHT*2)*640 + initial_x+y+BLOCK_WIDTH*3] = 0x00000000;
+						}
+					}
+				}
+				break;
+			default :
+
+				break;
+			}
+		}
+	}
+}
+
+void erodeBunker(unsigned int* framePointer, int which_bunker, int which_block){
+	//	int which_block = rand()%10;
+	short* bunker;
+	int i, j;
+	int block_row, block_col;
+	switch(which_bunker){ 		// select a bunker that I want to erode
+	case 0:
+		bunker = getBunker1();
+		break;
+	case 1:
+		bunker = getBunker2();
+		break;
+	case 2:
+		bunker = getBunker3();
+		break;
+	case 3:
+		bunker = getBunker4();
+		break;
+	default :
+		break;
+	}
+
+	switch(which_block){ 		// 'block_row, block_col' are used to calculate to find out the position of framePointer
+	case 0:
+		block_row = 0;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+		break;
+	case 1:
+		block_row = 0;
+		block_col = 1;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 2:
+		block_row = 0;
+		block_col = 2;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 3:
+		block_row = 0;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 4:
+		block_row = 1;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 5:
+		block_row = 1;
+		block_col = 1;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 6:
+		block_row = 1;
+		block_col = 2;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 7:
+		block_row = 1;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 8:
+		block_row = 2;
+		block_col = 0;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+	case 9:
+		block_row = 2;
+		block_col = 3;
+		blankBlock(framePointer, which_bunker, which_block, block_row, block_col);
+		updateBlock(framePointer, which_bunker, which_block, block_row, block_col, bunker);
+
+		break;
+
+	default :
+
+		break;
+	}
+
+}
+// This function runs first to make a block empty, and then draw an eroded block by 'updateBlock()' function
+void blankBlock(unsigned int* framePointer, int which_bunker, int which_block, int block_row, int block_col){
+	int i, j;
+	initial_x = x_y[which_bunker];
+	for(i = 0; i < BLOCK_HEIGHT; i++){
+		for(j = 0; j < BLOCK_WIDTH; j++){
+			framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x00000000;
+		}
+	}
+}
+
+void updateBlock(unsigned int* framePointer, int which_bunker, int which_block, int block_row, int block_col, short* bunker){
+	int i, j;
+	initial_x = x_y[which_bunker];
+
+	int* which_state;
+
+	if(bunker[which_block]==0){ 		// depending on the block selected and bunker status, 'which_state' points to a pre-defined eroded block
+		bunker[which_block] = 1;
+		if(which_block == 0){
+			which_state = block_left1;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal1;
+		}
+		else if(which_block == 3){
+			which_state = block_right1;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left1;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right1;
+		}
+	}
+	else if(bunker[which_block]==1){
+		bunker[which_block] = 2;
+		if(which_block == 0){
+			which_state = block_left2;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal2;
+		}
+		else if(which_block == 3){
+			which_state = block_right2;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left2;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right2;
+		}
+	}
+	else if(bunker[which_block]==2){
+		bunker[which_block] = 3;
+		if(which_block == 0){
+			which_state = block_left3;
+		}
+		else if(which_block == 1 || which_block == 2 || which_block == 4 || which_block == 7 || which_block == 8 || which_block == 9){
+			which_state = block_normal3;
+		}
+		else if(which_block == 3){
+			which_state = block_right3;
+		}
+		else if(which_block == 5){
+			which_state = block_center_left3;
+		}
+		else if(which_block == 6){
+			which_state = block_center_right3;
+		}
+	}
+	else{
+		bunker[which_block] = 4;
+		which_state = empty;
+	}
+
+	for(i = 0; i < BLOCK_HEIGHT; i++){
+		for(j = 0; j < BLOCK_WIDTH; j++){
+			if ((which_state[i%16] & (1<<(BLOCK_WIDTH-1-j)))) {
+				framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x0000FF00;
+			} else {
+				framePointer[(initial_y+i+BLOCK_HEIGHT*block_row)*640 + initial_x+j+BLOCK_WIDTH*block_col] = 0x00000000;
+			}
+		}
+	}
+}
+void selectBlock(unsigned int* framePointer, int bullet){
+	int bullet_x;
+	int bullet_y;
+	short hit = 0;
+	short* bunker;
+	int counter=0;
+	short dying = 0;
+	int gameover = 0;
+
+	switch(bullet){
+	case 1:
+		bullet_x = getAlien1BulletPositionX()+3;
+		bullet_y = getAlien1BulletPositionY()+10;
+		break;
+	case 2:
+		bullet_x = getAlien2BulletPositionX()+3;
+		bullet_y = getAlien2BulletPositionY()+10;
+		break;
+	case 3:
+		bullet_x = getAlien3BulletPositionX()+3;
+		bullet_y = getAlien3BulletPositionY()+10;
+		break;
+	case 4:
+		bullet_x = getAlien4BulletPositionX()+3;
+		bullet_y = getAlien4BulletPositionY()+10;
+		break;
+	case 5:
+		bullet_x = getTankBulletPositionX()+3;
+		bullet_y = getTankBulletPositionY();
+	default:
+		break;
+	}
+
+	if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+64+3){
+		bunker = getBunker1();
+		if(bullet_y > initial_y && bullet_y < initial_y+16){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 0, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+16 && bullet_x < BUNKER1_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 0, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+32 && bullet_x < BUNKER1_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 0, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x < BUNKER1_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 0, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x < BUNKER1_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 0, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+16 && bullet_x < BUNKER1_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 0, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+32 && bullet_x < BUNKER1_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 0, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x < BUNKER1_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 0, 7);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+32 && bullet_y<initial_y+48){
+			if(bullet_x >= BUNKER1_X-3 && bullet_x<BUNKER1_X+16 && bunker[8] != 4){
+				erodeBunker(framePointer, 0, 8);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER1_X+48 && bullet_x<BUNKER1_X+64+3 && bunker[9] != 4){
+				erodeBunker(framePointer, 0, 9);
+				hit = 1;
+			}
+		}
+
+	}
+
+	if(bullet_x > BUNKER2_X-3 && bullet_x < BUNKER2_X+64+3){
+		bunker = getBunker2();
+		if(bullet_y>initial_y && bullet_y<initial_y+16){
+			if(bullet_x >= BUNKER2_X-3 && bullet_x<BUNKER2_X+16 && bunker[0] != 4){
+				erodeBunker(framePointer, 1, 0);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+16 && bullet_x<BUNKER2_X+32 && bunker[1] != 4){
+				erodeBunker(framePointer, 1, 1);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+32 && bullet_x<BUNKER2_X+48 && bunker[2] != 4){
+				erodeBunker(framePointer, 1, 2);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+48 && bullet_x<BUNKER2_X+64+3 && bunker[3] != 4){
+				erodeBunker(framePointer, 1, 3);
+				hit = 1;
+			}
+		}
+		if(bullet_y>initial_y+16 && bullet_y<initial_y+32){
+			if(bullet_x >= BUNKER2_X-3 && bullet_x<BUNKER2_X+16 && bunker[4] != 4){
+				erodeBunker(framePointer, 1, 4);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+16 && bullet_x<BUNKER2_X+32 && bunker[5] != 4){
+				erodeBunker(framePointer, 1, 5);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+32 && bullet_x<BUNKER2_X+48 && bunker[6] != 4){
+				erodeBunker(framePointer, 1, 6);
+				hit = 1;
+			}
+			if(bullet_x >= BUNKER2_X+48 && bullet_x<BUNKER2_X+64+3 && bunker[7] != 4){
+				erodeBunker(framePointer, 1, 7);
+				hit = 1;
+			}
+		}