From 307309e8a3e00487095a8f8115418fdb30634d58 Mon Sep 17 00:00:00 2001
From: Jerry Aldrich <git@jerryaldrichiii.com>
Date: Sat, 28 Mar 2015 21:31:00 -0500
Subject: [PATCH] Add moveZombies();

---
 nZombies.c | 439 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 439 insertions(+)
 create mode 100644 nZombies.c

diff --git a/nZombies.c b/nZombies.c
new file mode 100644
index 0000000..1da9ab0
--- /dev/null
+++ b/nZombies.c
@@ -0,0 +1,439 @@
+#include <ncurses.h>
+#include <string.h>
+#include <math.h>
+#define MAX_PROJECTILES 2
+#define MAX_ZOMBIES 1000
+#define MAX_ALIVE 10
+
+int scrRows,scrCols;
+int viewportWinRows,viewportWinCols;
+int lastPressed;
+
+WINDOW* viewportWin;
+
+WINDOW* scoreWin;
+
+struct Projectile{
+	int isAlive;
+	char symbol;
+	int curXpos;
+	int curYpos;
+	int prevYpos;
+	int prevXpos;
+	int nextYpos;
+	int nextXpos;
+	int range;
+	char direction;
+	int distanceTraveled;
+};
+struct Projectile projectiles[MAX_PROJECTILES];
+
+struct Weapon{
+	char name[10];
+	int range;
+	int maxCapacity;
+	int curCapacity;
+	char projectileSymbol;
+	char symbols[8];
+};
+
+struct Entity {
+	char *type;
+	char symbol;
+	int curYpos, curXpos;
+	int nextYpos, nextXpos;
+	struct Weapon weapons[8];
+	int curWeapon;
+	int isAlive;
+};
+
+
+struct Entity player = {.type="player",.symbol='@', .curYpos=1, .curXpos=1, .nextYpos=1, .nextXpos=1 ,.isAlive=1};
+struct Entity allEntities[MAX_ALIVE];
+
+struct Weapon pistol = {.name="Pistol", .range=3, .maxCapacity=12, .curCapacity=12, .symbols="-\\|/-\\|/"};
+
+
+struct Entity * collisionDetect(int objYpos, int objXpos){
+	int i;
+	for(i=1; i<MAX_ALIVE; i++){
+		if(allEntities[i].isAlive){
+			if(objYpos==allEntities[i].curYpos && objXpos==allEntities[i].curXpos){
+					return &allEntities[i];
+			}
+		}
+	}
+	return NULL;	
+}
+
+
+void moveProjectiles(){
+	int i;
+	for(i=0; i<MAX_PROJECTILES; i++){
+		if(projectiles[i].isAlive){
+			projectiles[i].prevYpos=projectiles[i].curYpos;
+			projectiles[i].prevXpos=projectiles[i].curXpos;
+			
+			switch(projectiles[i].direction){
+				case 'w':{
+					projectiles[i].curYpos--;
+					break;
+				}
+
+				case 'a':{
+					projectiles[i].curXpos--;
+					break;
+				}
+
+				case 's':{
+					projectiles[i].curYpos++;
+					break;
+				}
+
+				case 'd':{
+					projectiles[i].curXpos++;
+					break;
+				}
+
+			}
+			projectiles[i].distanceTraveled++;
+			mvwaddch(viewportWin, projectiles[i].curYpos, projectiles[i].curXpos, projectiles[i].symbol);
+			struct Entity * hitEntity = collisionDetect(projectiles[i].curYpos, projectiles[i].curXpos);
+			if(hitEntity){
+				if(!strcmp(hitEntity->type,"zombie")){
+						projectiles[i].isAlive=0;
+						hitEntity->isAlive=0;
+						mvwaddch(viewportWin, allEntities[i].curYpos, allEntities[i].curXpos, ' ');
+				}
+			}
+			if(mvwinch(viewportWin,projectiles[i].prevYpos, projectiles[i].prevXpos)==projectiles[i].symbol){
+				mvwaddch(viewportWin, projectiles[i].prevYpos, projectiles[i].prevXpos, ' ');
+			}	
+			if(projectiles[i].distanceTraveled>=projectiles[i].range || projectiles[i].curYpos > viewportWinRows || projectiles[i].curYpos < 0 || projectiles[i].curXpos > viewportWinCols || projectiles[i].curXpos < 0){
+				projectiles[i].isAlive=0;
+				mvwaddch(viewportWin, projectiles[i].curYpos, projectiles[i].curXpos, ' ');
+			}
+			usleep(30000);
+		}
+		else{
+			mvwaddch(viewportWin, projectiles[i].curYpos, projectiles[i].curXpos, ' ');
+		}
+	}
+}
+
+void fireWeapon(struct Weapon *weaponRef, char *direction){
+	struct Projectile projectile;
+        if (!strcmp(weaponRef->name,"Pistol")){
+		projectile.range=20;
+	}
+	projectile.isAlive=1;
+	projectile.distanceTraveled=0;
+	projectile.curYpos=allEntities[0].curYpos;
+	projectile.curXpos=allEntities[0].curXpos;
+	if(!strcmp(direction,"up")){
+		projectile.range*=.4;
+		projectile.direction='w';
+		projectile.symbol=weaponRef->symbols[2];
+	}
+	if(!strcmp(direction,"left")){
+		projectile.direction='a';
+		projectile.symbol=weaponRef->symbols[0];
+	}		
+	if(!strcmp(direction,"down")){
+		projectile.range*=.4;
+		projectile.direction='s';
+		projectile.symbol=weaponRef->symbols[6];
+	}		
+	if(!strcmp(direction,"right")){
+		projectile.direction='d';
+		projectile.symbol=weaponRef->symbols[4];
+	}		
+	int i;
+	for(i=0;i<MAX_PROJECTILES;i++){
+		if(!projectiles[i].isAlive && !projectiles[i+1].isAlive){
+			projectiles[i]=projectile;
+			allEntities[0].weapons[allEntities[0].curWeapon].curCapacity--;
+			break;
+		}
+	}	
+}
+
+void drawScore(){
+	werase(scoreWin);
+	box(scoreWin, 0, 0);
+	mvwprintw(scoreWin, 1, 1, "Current Weapon: %s",allEntities[0].weapons[allEntities[0].curWeapon].name);
+	mvwprintw(scoreWin, 2, 1, "Ammo: %d/%d",allEntities[0].weapons[allEntities[0].curWeapon].curCapacity,allEntities[0].weapons[allEntities[0].curWeapon].maxCapacity);
+	wnoutrefresh(scoreWin);
+}
+
+void drawViewport(){
+	box(viewportWin,0,0);
+	int i;
+	for(i=0; i<MAX_ALIVE; i++){
+		if(allEntities[i].isAlive){
+			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;
+		}
+	}
+	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);
+	viewportWin=newwin(scrRows-10,scrCols,0,0);
+	getmaxyx(viewportWin,viewportWinRows,viewportWinCols);
+	scoreWin=newwin(10,scrCols,scrRows-10,0);
+
+	allEntities[0]=player;
+	allEntities[0].curYpos=(rand()%(viewportWinRows-2))+1;
+	allEntities[0].curXpos=(rand()%(viewportWinCols-2))+1;
+	allEntities[0].nextYpos=allEntities[0].curYpos;
+	allEntities[0].nextXpos=allEntities[0].curXpos;
+}
+
+struct NextPos{
+	int x;
+	int y;
+}nextPos;
+
+void getNextPos(int y, int x, int y2, int x2){
+	int w = x2 - x;
+	int h = y2 - y;
+	int dx1 = 0, dy1 = 0, dx2 = 0, dy2 =0;
+	if (w<0){ 
+		dx1 = -1;
+	} 
+	else if(w>0){ 
+		dx1 = 1;
+	}
+	if (h<0){ 
+		dy1 = -1;
+	} 
+	else if(h>0){ 
+		dy1 = 1;
+	}
+	if (w<0){ 
+		dx2 = -1;
+	} 
+	else if(w>0){ 
+		dx2 = 1;
+	}
+	int longest = abs(w);
+	int shortest = abs(h);
+    if (!(longest>shortest)) {
+        longest = abs(h);
+        shortest = abs(w);
+        if (h<0){
+			 dy2 = -1;
+		}
+		else if (h>0){
+			 dy2 = 1;
+		}
+        dx2 = 0;            
+    }
+    int numerator = longest >> 1;
+    numerator += shortest;
+    if (!(numerator<longest)) {
+        numerator -= longest;
+        x += dx1;
+        y += dy1;
+    } else {
+        x += dx2;
+        y += dy2;
+    }
+    nextPos.x = x;
+	nextPos.y = y;
+}
+
+void moveZombies(){
+		int i;
+		for(i=1;i<MAX_ALIVE;i++){
+			if(allEntities[i].isAlive){
+				int moveCheck = rand()%10000;
+				if(moveCheck==1){
+				getNextPos(allEntities[i].curYpos,allEntities[i].curXpos,allEntities[0].curYpos,allEntities[0].curXpos);
+				allEntities[i].nextYpos = nextPos.y;
+				allEntities[i].nextXpos = nextPos.x;
+				if(allEntities[i].nextYpos < 1 || allEntities[i].nextYpos>viewportWinRows-2){
+						allEntities[i].nextYpos = allEntities[i].curYpos;
+				}
+				if(allEntities[i].nextXpos < 1 || allEntities[i].nextXpos>viewportWinCols-2){
+						allEntities[i].nextXpos = allEntities[i].curXpos;
+				}
+			}	
+		}
+	}
+}
+
+int main() {
+	srand(time(NULL));
+	initscr();
+	cbreak();
+	keypad(stdscr, TRUE);
+	noecho();
+	initializeWorld();
+	nodelay(stdscr, TRUE);
+	int ch;
+	allEntities[0].weapons[0]=pistol;
+	allEntities[0].curWeapon=0;
+	while(1) {
+		drawScore();
+		drawViewport();
+		//addZombie();
+		moveProjectiles();
+		moveZombies();
+		doupdate();
+		
+		ch = getch();
+		switch(ch){
+			case 'w':
+			case 'W':{
+				if(allEntities[0].curYpos > 1){
+					allEntities[0].nextYpos--;
+					if(allEntities[0].nextYpos < 0){
+						allEntities[0].nextYpos = 0;
+					}
+				}
+				break;
+			}
+			case 's':	
+			case 'S':{
+				if(allEntities[0].curYpos < viewportWinRows - 2){
+					allEntities[0].nextYpos++;
+					if(allEntities[0].nextYpos > viewportWinRows-1){
+						allEntities[0].nextYpos = viewportWinRows-1;
+					}
+				}
+				break;
+			}
+			case 'a':
+			case 'A':{
+				if(allEntities[0].curXpos > 1){
+					allEntities[0].nextXpos--;
+					if(allEntities[0].nextXpos < 0){
+						allEntities[0].nextXpos = 0;
+					}
+				}
+				break;
+			}
+			case 'd':
+			case 'D':{
+				if(allEntities[0].curXpos < scrCols-2){
+					allEntities[0].nextXpos++;
+					if(allEntities[0].nextXpos > viewportWinCols-1){
+						allEntities[0].nextXpos = viewportWinCols-1;
+					}
+				}
+				break;
+			}
+			case 'z':
+			case 'Z':{
+				addZombie();
+				break;
+			}
+			case KEY_UP:{
+				if(allEntities[0].weapons[allEntities[0].curWeapon].curCapacity>0){
+					fireWeapon(&pistol, "up");
+				}
+				break;
+			}
+			case KEY_LEFT:{
+				if(allEntities[0].weapons[allEntities[0].curWeapon].curCapacity>0){
+					fireWeapon(&pistol, "left");
+				}
+				break;
+			}
+			case KEY_DOWN:{
+				if(allEntities[0].weapons[allEntities[0].curWeapon].curCapacity>0){
+					fireWeapon(&pistol, "down");
+				}
+				break;
+			}
+			case KEY_RIGHT:{
+				if(allEntities[0].weapons[allEntities[0].curWeapon].curCapacity>0){
+					fireWeapon(&pistol, "right");
+				}
+				break;
+			}
+		
+			default:
+				if (ch != ERR) {lastPressed=ch;};
+				break;
+		}
+		struct Entity * hitEntity = collisionDetect(allEntities[0].curYpos, allEntities[0].curXpos);
+			if(hitEntity){
+				if(!strcmp(hitEntity->type,"zombie")){
+					    mvwprintw(viewportWin,1,10,"TEST");	
+						allEntities[0].isAlive=0;
+						mvwaddch(viewportWin, allEntities[0].curYpos, allEntities[0].curXpos, ' ');
+				}
+			}
+
+	}		
+	return 0;	
+}