void Timer2A_Handler(void){
TIMER2_ICR_R = 0x00000001; // acknowledge timer2A timeout
DAC_Out(sound[TimerCount]);
if(TimerCount < 1837){
TimerCount++;}
else{Timer2A_Stop();}
}
void Timer2A_Handler(void){static unsigned long i= 0;
TIMER2_ICR_R = 0x00000001; // acknowledge timer2A timeout
//output to DAC
DAC_Out(anysound[i]);
i = (i+1)%Sound_Count;
if(i==0){
Timer2A_Stop();
}
//other conter stuff
TimerCount++;
}
//////////////////////////////////////////////////////////////////////////***START OF PROGRAM***//////////////////////////////////////////////////////////////////////////////////////////////
int main(void){
//Initialization
PLL_Init(); // Set the clocking to run at 80MHz from the PLL.
LCD_Init(); // Initialize LCD
LCD_Goto(10,0);
LCD_SetTextColor(255,255,0); // yellow= red+green, no blue
printf("Lab 10");
LCD_DrawLine(10,16,310,16,BURNTORANGE);
ADC_Initialize();
Timer2_Init(7256);
Timer2A_Stop();
SysTick_Init();
///////////////////////////////////////////////////////////////////////////Set Up Waves///////////////////////////////////////////////////////////////////////////////////////////////
while(1){
//set up for the wave 1 (11 means wave needs to be setup, 10 means wave is set up)
if (wave==11) {
wavesize=5;
enemycount=0;
LCD_SetCursor(140,120);
LCD_SetTextColor(255,0,0);
LCD_PrintString("WAVE ONE");
LCD_SetTextColor(0,0,0);
LCD_PrintString("WAVE ONE");
enemy[0].x=50;
enemy[1].x=90;
enemy[2].x=130;
enemy[3].x=170;
enemy[4].x=210;
for (k=0;k<5;k++) {
enemy[k].y=40;
enemy[k].s=1;
enemy[k].e=0;
enemy[k].c=0;
enemy[k].b=0;
wave=10;
}
}
//set up for wave 2 (22 means wave needs to be setup, 20 means wave is set up)
//e: so we don't print eraser more than once
//s: so we know the state of the sprite
//c; so we don't count the death of a sprite more than once
if (wave==21) {
wavesize=15;
enemycount=0;
LCD_SetCursor(140,120);
LCD_SetTextColor(255,0,0);
LCD_PrintString("WAVE TWO");
LCD_SetTextColor(0,0,0);
LCD_PrintString("WAVE TWO");
enemy[0].x=50;
enemy[1].x=90;
enemy[2].x=130;
enemy[3].x=170;
enemy[4].x=210;
for (k=0;k<5;k++) {
enemy[k].y=40;
enemy[k].s=1;
enemy[k].e=0;
enemy[k].c=0;
enemy[k].b=0;
}
for (k=5;k<10;k++) {
enemy[k].s=4; //set newer coming enemies to 4, so they don't get counted as dead when they don't arrive yet (count happens after printing)
enemy[k].e=0;
enemy[k].y=40;
enemy[k].x=50;
enemy[k].c=0;
enemy[k].b=0;
}
for (k=10;k<15;k++) {
enemy[k].s=4;
enemy[k].s=4; //set newer coming enemies to 4, so they don't get counted as dead when they don't arrive yet (count happens after printing)
enemy[k].e=0;
enemy[k].y=64;
enemy[k].x=296;
enemy[k].c=0;
enemy[k].b=0;
}
wave=20;
}
//set up for wave 3
//set up for wave 3
if(wave==31) {
wavesize=1;
enemycount=0;
LCD_SetCursor(140,30);
LCD_SetTextColor(255,0,0);
LCD_PrintString("Time For Ziping");
for(k=0;k<10;k++) {enemy[k].x=0;enemy[k].y=0;enemy[k].s=0;;enemy[k].e=0;}
enemy[0].s=1;
enemy[0].x=100;
enemy[0].y=40;
enemy[0].b=0;
enemy[0].e=0;
wave=30;
}
////////////////////////////////////////////////////////////////////////////Update and Print User Ship/////////////////////////////////////////////////////////////////////////////////////////
if(Semaphore){ //wait for SysTick
Semaphore = 0; //"acknowledge" SysTick
ADCData = ADC_In();
Position=(ADCData*.4053751277)+157.0113976; //position 0-2000
xShip = ((Position)*.14)+20; //x pixel coordinate of center of ship (.14 = 280/2000)
LCD_DrawBMP(UshipErase,xShipTrail,200); //erase previous image
LCD_DrawBMP(userShip,xShip,200);
xShipTrail = xShip;
////////////////////////////////////////////////////////////////////////////////////Update Enemies/////////////////////////////////////////////////////////////////////////////////////////////
//enemy ship update coordinates for wave 1 (s=1 means alive, s=0 means just dead, s=2 means the moment of death)
if (wave==10) {
for (k=0;k<5;k++){
if (enemy[k].s == 1) {
enemy[k].y = enemy[k].y +1;
trainWreckL = xShip-enemy[k].x; //enemy within left boundary of ship
trainWreckR = enemy[k].x - xShip; //enemy within right boundary of ship
if( (enemy[k].y >= 176) &&
(((trainWreckL <24)&&(trainWreckL >0) )||((trainWreckR < 30)&&(trainWreckR > 0))) ){
enemy[k].s = 2;
DEATH();
userDeath++;
}
if (enemy[k].y>=210) {enemy[k].s=0;}
} }
}
//enemy ship update coordinates for wave 2
//enemy ship update coordinates for wave 2
else if (wave==20) {
for (k=0;k<5;k++) { if(enemy[k].s==1) { //updates only if object is alive (s==1)
if (countx<=92 && wave2==0) {
enemy[k].x = enemy[k].x +1;
}
countx++;
if (countx >92 && wave2==0) {wave2=1; countx=0;}
if (wave2==1) {
for (j=0;j<5;j++) {
enemy[j].y=enemy[j].y+1;
}
wave2=2;
countx=0;
county++;
}
if (countx <=92 && wave2==2) {
enemy[k].x= enemy[k].x-1;
}
countx++;
if (countx >= 92 && wave2==2 ) {wave2=3; countx=0;}
if (wave2==3) {
for (j=0;j<5;j++) {
enemy[j].y=enemy[j].y+1;
}
wave2=0; county++;
}
trainWreckL = xShip-enemy[j].x; //enemy within left boundary of ship
trainWreckR = enemy[j].x - xShip; //enemy within right boundary of ship
if( (enemy[j].y >= 176) &&
(((trainWreckL <24)&&(trainWreckL >0) )||((trainWreckR < 30)&&(trainWreckR > 0))) ){
enemy[j].s = 2;
DEATH();
userDeath++;
}
if (enemy[k].y>=210) {enemy[k].s=0;}
}
}
//fleet 2
if (county==24 || enemycount==10) {enemy[5].s=1; wave3=1;} //activate the bigger ships once there is room vertically, e.i. check if y coordinate has been met
if (countx2==24) {enemy[6].s=1;}
if (countx2==48 ) {enemy[7].s=1;}
if (countx2==72) {enemy[8].s=1;}
if (countx2==96) {enemy[9].s=1;}
//if (enemy[5].x>=196) {wave2big=1;} //once the enemies get to the edge of the screen, set a flag (wave big) to one
if (countx2>=146) {wave2big=1;}
for (k=5;k<10;k++) {
if(wave3==1 && k==5) {countx2++;}
if(enemy[k].s==1 && wave2big==0) { //update coordinates for new ships for wave 2 only if they become active (due to above code) and if max x coordinate hasn't been set
enemy[k].x=enemy[k].x+1; }
if(enemy[k].y>=210) {enemy[k].s=0;} //enemy dead if off the screen vertically, we don't care if horizontally
if(enemy[k].s==1 && wave2big==1) {
if(k==5 || k==6) {enemy[k].x=enemy[k].x-1; enemy[k].y=enemy[k].y+1;}
if(k==8 || k==9) {enemy[k].x=enemy[k].x+1; enemy[k].y=enemy[k].y+1;}
if(k==7 && enemy[k].y<=100) {enemy[k].y=enemy[k].y+1;}
}
}
//fleet 3
if (county==48 || enemycount==10) {enemy[10].s=1; wave4=1;} //activate the bigger ships once there is room vertically, e.i. check if y coordinate has been met
if (countx3==24) {enemy[11].s=1;}
if (countx3==48 ) {enemy[12].s=1;}
if (countx3==72) {enemy[13].s=1;}
if (countx3==96) {enemy[14].s=1;}
if (countx3>=146) {wave3big=1;}
for (k=10;k<15;k++) {
if(wave4==1 && k==10) {countx3++;}
if(enemy[k].s==1 && wave3big==0) { //update coordinates for new ships for wave 2 only if they become active (due to above code) and if max x coordinate hasn't been set
enemy[k].x=enemy[k].x-1; }
if(enemy[k].y>=210) {enemy[k].s=0;} //enemy dead if off the screen vertically, we don't care if horizontally
if(enemy[k].s==1 && wave3big==1) {
if(k==10) {if(enemy[k].y<120 && enemy[k].x==50) {enemy[k].y=enemy[k].y+1;}
if(enemy[k].y==120 && enemy[k].x<130) {enemy[k].x=enemy[k].x+1;}
if(enemy[k].y>64 && enemy[k].x==130) {enemy[k].y=enemy[k].y-1;}
if(enemy[k].y==64 && enemy[k].x>50) {enemy[k].x=enemy[k].x-1;}}
if(k==14) {if(enemy[k].y<120 && enemy[k].x==246) {enemy[k].y=enemy[k].y+1;}
if(enemy[k].y==120 && enemy[k].x>166) {enemy[k].x=enemy[k].x-1;}
if(enemy[k].y>64 && enemy[k].x==166) {enemy[k].y=enemy[k].y-1;}
if(enemy[k].y==64 && enemy[k].x<246) {enemy[k].x=enemy[k].x+1;}}
if(k==11 || k==13 || k==12) {enemy[k].y=enemy[k].y+1;}
}
}
}
///////////////////////////////////////////////////////////////////////Update User missiles////////////////////////////////////////////////////////////////////////////////////////////////
for(i=0;i<100;i++){
if(missile[i].s){
missile[i].y = missile[i].y - 2; //if missile is active, move up the screen
if(missile[i].y < 18 ){
missile[i].s = 0; //if the missile has moved off the screen, deactivate it
LCD_DrawBMP(UmissileErase,missile[i].x,missile[i].y); //cover up with black
}
//////////////////////////////////////////////////////////////////Test for Enemy-Missile Collisions (small aliens)///////////////////////////////////////////////////////////////////////////////////////
for(k=0;k<wavesize;k++){ //(missile:11x15, enemy: 24x24)
crashTestY = ((enemy[k].y + 24) - missile[i].y); //difference in y-coordinates
crashTestXR = (missile[i].x - enemy[k].x); //distance of missile from right border of alien
crashTestXL = (enemy[k].x - missile[i].x); //distance of missile from left border of alien
if ( ( (crashTestY <5) && (crashTestY > 0) ) &&
( ( (crashTestXR < 24) && (crashTestXR > 0 ) ) || ( (crashTestXL < 11)&&(crashTestXL > 0) ) ) ){
enemy[k].s = 2;
}
}
}
}
/////////////////////////////////////////////////////////////////////Test for Enemy-User Collisions///////////////////////////////////////////////////////////////////////////////////////////////////
/* for(k=0;k<5;k++){
trainWreckL = xShip-enemy[k].x; //enemy within left boundary of ship
trainWreckR = enemy[k].x - xShip; //enemy within right boundary of ship
if( (enemy[k].y >= 176) &&
(((trainWreckL <24)&&(trainWreckL >0) )||((trainWreckR < 30)&&(trainWreckR > 0))) ){
enemy[k].s = 2;
DEATH();
userDeath++;
} */
//////////////////////////////////////////////////////////////////////////Activate New Missile/////////////////////////////////////////////////////////////////////////////////////////////
if(newMissile==3){
while(missile[notActiveSlot].s == 1){ //find a non-active missile in the array
if(notActiveSlot == 99){notActiveSlot = 0;} //wrap around if at end of array
notActiveSlot++; //check next slot
}
missile[notActiveSlot].x = xShip + 10; //missile(11x15) aligned to center of ship
missile[notActiveSlot].y = 185; //missile firing out 200 - 15
missile[notActiveSlot].s = 1; //activate
Timer2A_Start(); //arm sound
newMissile=0; //reset button count
tester++;
}
///////////////////////////////////////////////////////Update Enemy Missiles/////////////////////////////////////////////////////////////////////////////////////////////////////////
for(i=0;i<100;i++){
if(emissile[i].s==1){
emissile[i].y = emissile[i].y + 2;
if(emissile[i].y > 210){
emissile[i].s = 0;
LCD_DrawBMP(UmissileErase,emissile[i].x,emissile[i].y);
}
}
}
///////////////////////////////////////////////////////////////////////Test for User Missile Collisions////////////////////////////////////////////////////////////////////////////////////
for(i=0;i<100;i++){
if((emissile[i].s ==1)&&(emissile[i].y >= 185)&&
((((emissile[i].x - xShip)<30)&&((emissile[i].x - xShip)>0))||
(((xShip- emissile[i].x)<11)&&((xShip-emissile[i].x)>0)))){
emissile[i].s = 0;
DEATH();
userDeath++;
}
}
////////////////////////////////////////////////////////////////////////New Enemy Missiles////////////////////////////////////////////////////////////////////////////////////////////////////
//activate new enemy missiles
for(k=0;k<wavesize;k++){
if((enemy[k].s)&&(enemy[k].wait == 1)){ //alive and finished (.wait == 1 means countdown done)
while(emissile[notActiveSlotE].s == 1){ //find a non-active enemy missile slot in array
if(notActiveSlotE == 99){notActiveSlotE = 0;} //wrap around if at end of array
else notActiveSlotE++; //check next slot
}
emissile[notActiveSlotE].x = enemy[k].x + (enemy[k].w / 2); //center horizontal positioning of missile on enemy
emissile[notActiveSlotE].y = enemy[k].y + enemy[k].h; //get correct vertical positioning for missile
emissile[notActiveSlotE].s = 1; //activate missile
enemy[k].wait = 0; //signifying missile fired, reaady for new wait time
}
}
//loading enemies that just fired with new wait times
for(k=0;k<wavesize;k++){
if((enemy[k].s)&&(enemy[k].wait == 0)){ //alive and not currently waiting to fire (.wait == 0 means need new time)
j = (Random()%60); //get random number from 0-30
if(j < 20){j=20;} //minimum # 20 (3 shots per second max firing)
enemy[k].wait = j;
}
}
/////////////////////////////////////////////////////////////////////enemy missile printing//////////////////////////////////////////////////////////////////////////////////////////////
for(i=0;i<100;i++){
if(emissile[i].s == 1){
LCD_DrawBMP(enemyMissile,emissile[i].x,emissile[i].y);}}
/*else if ((emissile[i].s == 0)&&(emissile[i].b==0)){
LCD_DrawBMP(UmissileErase,emissile[i].x,emissile[i].y);}
emissile[i].b = 1;
}*/
//////////////////////////////////////////////////////////////////////////////missile printing///////////////////////////////////////////////////////////////////////////////////////////
for(i=0;i<100;i++){
if(missile[i].s){
LCD_DrawBMP(userMissile,missile[i].x,missile[i].y); //print if missile is active
}
}
///////////////////////////////////////////////////////////////////////////enemy ship printing///////////////////////////////////////////////////////////////////////////////////////
/////////////ship printing for wave 1
if(wave==10) {
for (k=0;k<5;k++) {
if (enemy[k].s ==1) {
LCD_DrawBMP(AlienEnemyBig, enemy[k].x,enemy[k].y); }
if (enemy[k].s ==2 &&enemy[k].b ==0) {
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1, enemy[k].x, enemy[k].y);
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
enemy[k].s=0; enemy[k].b=1;
}
if (enemy[k].s ==0 && enemy[k].e ==0) {
LCD_DrawBMP(ExplosionBlack, enemy[k].x,(enemy[k].y));
enemy[k].e=1;}
}
for (k=0;k<5;k++) {
if(enemy[k].s==0 && enemy[k].c==0) {enemycount++; enemy[k].c=1;} //count enemies if s=0 and c=0
}
if (enemycount==5) {wave=21;} //new wave is all five enemies are "dead"
}
/////////////Ship printing for wave 2
if(wave==20) {
for (k=0;k<5;k++) {
if (enemy[k].s ==1) {
LCD_DrawBMP(AlienEnemySmall, enemy[k].x,enemy[k].y); }
if (enemy[k].s ==2 && enemy[k].b ==0) {
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
enemy[k].s=0; enemy[k].b=1;
}
if (enemy[k].s ==0 && enemy[k].e==0) { //once explosion eraser is printed, set the s to zero and e to one
LCD_DrawBMP(ExplosionBlack, enemy[k].x,(enemy[k].y));
enemy[k].e=1;}
}
for(k=5;k<10;k++) {
if(enemy[k].s==1) {
LCD_DrawBMP(AlienEnemyBig, enemy[k].x,enemy[k].y); }
if (enemy[k].s ==2 && enemy[k].b ==0) {
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
enemy[k].s=0; enemy[k].b=1;
}
if (enemy[k].s ==0 && enemy[k].e==0) { //once explosion eraser is printed, set the s to zero and e to one
LCD_DrawBMP(ExplosionBlack, enemy[k].x, enemy[k].y);
enemy[k].e=1;}}
for (k=0;k<10;k++) {
if(enemy[k].s==0 && enemy[k].c==0) {enemycount++; enemy[k].c=1;} //count enemy if s=0 and c=0
}
if (enemycount==20) {wave=31;} //new wave if all ten enemies are "dead"
for(k=10;k<15;k++) {
if(enemy[k].s==1) {
LCD_DrawBMP(AlienEnemyBig, enemy[k].x,enemy[k].y); }
if (enemy[k].s ==2 && enemy[k].b ==0) {
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
LCD_DrawBMP(Explosion1, enemy[k].x,(enemy[k].y)); LCD_DrawBMP (Explosion1,enemy[k].x, enemy[k].y);
enemy[k].s=0; enemy[k].b=1;
}
if (enemy[k].s ==0 && enemy[k].e==0) { //once explosion eraser is printed, set the s to zero and e to one
LCD_DrawBMP(ExplosionBlack, enemy[k].x, enemy[k].y);
enemy[k].e=1;}} }
} //close semaphore
} //close while loop
} //close main