shoot.c

#include "shoot.h"
#include <stdio.h>
#include <math.h>

int isEnemyInRange(Enemy *enemy, Tower *tower){
	double x = enemy->position.x;
	double y = enemy->position.y;
	double i = tower->towerBox.x;
	double j = tower->towerBox.y;
	double r = tower->range;
	double towerToEnemyDistance = ((x-i)*(x-i)) + ((y-j)*(y-j));
	return towerToEnemyDistance <= r*r ? 1 : 0;
}

void shootEnemy(ShootManager *shootManager){
	Tower *(*towers)[MaxWidthTower][MaxHeightTower] = shootManager->towers;
	EnemySwag *enemys = shootManager->enemys;
	for(int i=0; i<MaxWidthTower; i++){
		for(int j=0; j<MaxHeightTower; j++){
			if((*towers)[i][j] != NULL){
				if(enemys->isEmpty != 1){
					for(int k=0; k<enemys->swagSize; k++){
						if(enemys->enemy[k].life > 0){
							if(isEnemyInRange(&enemys->enemy[k],(*towers)[i][j])){
								targetEnemy((*towers)[i][j], &enemys->enemy[k]);
								break; // a tower can hit only one enemy
							}
						}
					}
				}
			}
		}
	}
}

void hitEnemy(Tower *tower, Enemy *enemy){
/*	int isTargetAcquired = tower->target.x != tower->towerBox.x || tower->target.y != tower->towerBox.y;*/
/*	if(isTargetAcquired){*/
/*		int isTargetReached = (int)tower->bulletPositionX == tower->target.x && (int)tower->bulletPositionY == tower->target.y;*/
/*		if(isTargetReached){*/
/*		 	bleedEnemy(enemy,1);*/
/*		 	tower->bulletPositionX = tower->towerBox.x;*/
/*		 	tower->bulletPositionY = tower->towerBox.y;*/
/*			tower->target.x = tower->towerBox.x;*/
/*			tower->target.y = tower->towerBox.y;*/
/*		}else{*/
/*			// get direction vector of bullet*/
/*			double bulletDirectionX = tower->target.x - tower->bulletPositionX;*/
/*			double bulletDirectionY = tower->target.y - tower->bulletPositionY;*/
/*			//normalize direction vector*/
/*			double bulletDirectionNorme = sqrt(pow(bulletDirectionX,2) + pow(bulletDirectionY,2));*/
/*			bulletDirectionX /= bulletDirectionNorme;*/
/*			bulletDirectionY /= bulletDirectionNorme;*/

/*			tower->bulletPositionX += bulletDirectionX;*/
/*			tower->bulletPositionY += bulletDirectionY;*/
/*		}*/
/*	}else{*/
/*		tower->target.x = enemy->position.x;*/
/*		tower->target.y = enemy->position.y;*/
/*	}*/
}

ShootManager* newShootManager(Tower *(*towers)[MaxWidthTower][MaxHeightTower], EnemySwag *enemys){
	ShootManager *shootManager = malloc(sizeof (ShootManager));
	shootManager->enemys = enemys;
	shootManager->towers = towers;
 return shootManager;
}