Add addZombie() and getOpenPos()

moveable.c

@@ -3,7 +3,7 @@
 
 #define MAX_PROJECTILES 2
 #define MAX_ZOMBIES 1000
-#define MAX_ALIVE 10000
+#define MAX_ALIVE 10
 
 
 int scrRows,scrCols;
@@ -50,10 +50,9 @@ struct Entity {
 
 
 struct Entity player = {.type="player",.symbol='@', .curYpos=1, .curXpos=1, .nextYpos=1, .nextXpos=1 ,.isAlive=1};
-
 struct Entity zombies[MAX_ZOMBIES];
 struct Entity allEntities[MAX_ALIVE];
-struct Entity zombie = {.type="zombie", .symbol='Z', .curYpos=5, .curXpos=5, .nextYpos=5, .nextXpos=5 ,.isAlive=1};
+struct Entity zombie = {.type="zombie", .symbol='A', .curYpos=5, .curXpos=5, .nextYpos=5, .nextXpos=5 ,.isAlive=1};
 
 struct Weapon pistol = {.name="Pistol", .range=3, .maxCapacity=12, .curCapacity=12, .symbols="-\\|/-\\|/"};
 
@@ -178,12 +177,74 @@ void drawViewport(){
 			mvwaddch(viewportWin, allEntities[i].curYpos, allEntities[i].curXpos, ' ');
 			mvwaddch(viewportWin, allEntities[i].nextYpos, allEntities[i].nextXpos, allEntities[i].symbol);
 			allEntities[i].curYpos = allEntities[i].nextYpos;
-			allEntities[i].curXpos = allEntities[i].nextXpos; }
+			allEntities[i].curXpos = allEntities[i].nextXpos;
+		}
 	}
 	wnoutrefresh(viewportWin);
 	doupdate();
 }
 
+struct possiblePos{
+	int x;
+	int y;
+}openPos;
+
+int getOpenPos(){
+	int chooseAnother=1;
+	while(chooseAnother){
+		spaceExists:
+		openPos.y=(rand()%(viewportWinRows-1)+1);
+		openPos.x=(rand()%(viewportWinCols-1)+1);
+		if(mvwinch(viewportWin,openPos.y,openPos.x)==' '){
+			int i;
+			for(i=1;i<MAX_ALIVE;i++){
+				if(allEntities[i].isAlive && allEntities[i].curYpos==openPos.y && allEntities[i].curXpos==openPos.x){
+					chooseAnother=1;
+				}
+				else{
+					chooseAnother=0;
+				}
+			}
+		}
+		else{
+			int x,y;
+			for(y=0;y<viewportWinRows;y++){
+				for(x=0;x<viewportWinCols;x++){
+					if(mvwinch(viewportWin,y,x)==' '){	
+							chooseAnother=1;
+							goto spaceExists;
+					}
+				}
+			}
+			return 0;
+		}
+	}
+	return 1;
+}
+
+
+void addZombie(){
+	if(getOpenPos()){
+		int i;
+		for(i=0;i<MAX_ALIVE-1;i++){
+			if(!allEntities[i].isAlive){
+				struct Entity zombie;
+				zombie.curYpos=openPos.y;
+				zombie.curXpos=openPos.x;
+				zombie.nextYpos=openPos.y;
+				zombie.nextXpos=openPos.x;
+				zombie.type="zombie";
+				zombie.symbol='Z';
+				zombie.isAlive=1;
+				allEntities[i]=zombie;
+				mvwaddch(viewportWin, allEntities[i].curYpos, allEntities[i].curXpos, allEntities[i].symbol);
+				wnoutrefresh(viewportWin);
+				doupdate();
+				break;
+			}
+		}
+	}
+}
 void initializeWorld() {
 	curs_set(0);
 	getmaxyx(stdscr,scrRows,scrCols);
@@ -192,11 +253,17 @@ void initializeWorld() {
 	scoreWin=newwin(10,scrCols,scrRows-10,0);
 
 	allEntities[0]=player;
+	allEntities[0].curYpos=(rand()%(viewportWinRows-2))+1;
+	allEntities[0].curXpos=(rand()%(viewportWinCols-2))+1;
+10;
+	allEntities[0].nextYpos=allEntities[0].curYpos;
+	allEntities[0].nextXpos=allEntities[0].curXpos;
 	allEntities[1]=zombie;
-	allEntities[0].curYpos=10;
+	allEntities[1].curYpos=(rand()%(viewportWinRows-2))+1;
-	allEntities[0].curXpos=10;
+	allEntities[1].curXpos=(rand()%(viewportWinCols-2))+1;
-	zombie.curYpos=rand()%viewportWinRows;
+11;
-	zombie.curYpos=rand()%viewportWinCols;
+	allEntities[1].nextYpos=allEntities[1].curYpos;
+	allEntities[1].nextXpos=allEntities[1].curXpos;
 }
 
 int main() {
@@ -210,10 +277,11 @@ int main() {
 	nodelay(stdscr, TRUE);
 	int ch;
 	allEntities[0].weapons[0]=pistol;
-	allEntities[0].curWeapon=0;	
+	allEntities[0].curWeapon=0;
 	while(1) {
 		drawScore();
 		drawViewport();
+		addZombie();
 		moveProjectiles();
 		doupdate();
 		ch = getch();
@@ -258,6 +326,11 @@ int main() {
 				}
 				break;
 			}
+			case 'z':
+			case 'Z':{
+				addZombie();
+				break;
+			}
 			case KEY_UP:{
 				if(allEntities[0].weapons[allEntities[0].curWeapon].curCapacity>0){
 					fireWeapon(&pistol, "up");
@@ -290,9 +363,8 @@ int main() {
 		struct Entity * hitEntity = collisionDetect(allEntities[0].curYpos, allEntities[0].curXpos);
 			if(hitEntity){
 				if(hitEntity->type=="zombie"){
-					        mvwprintw(viewportWin,1,1,"TEST");	
+					    mvwprintw(viewportWin,1,10,"TEST");	
 						allEntities[0].isAlive=0;
-						hitEntity->isAlive=0;
 						mvwaddch(viewportWin, allEntities[0].curYpos, allEntities[0].curXpos, ' ');
 				}
 			}