22 files changed, 365 insertions, 385 deletions

diff --git a/src/GameLoop/shop.c b/src/GameLoop/shop.c
deleted file mode 100644
index fb7ef4c..0000000
--- a/src/GameLoop/shop.c
+++ /dev/null
@@ -1,78 +0,0 @@
-#include "shop.h"
-#include "engine/maths.h"
-#include "ppu/ppu.h"
-
-bool hh_show_Shop(){
-	static hh_e_ShopStates hh_e_Shop = hh_e_shop_init;
-	static hh_e_upgrades upgrades[HH_SHOP_UPG_DISPLAY] = {0};
-	static uint8_t selected = 0;
-	
-	switch (hh_e_Shop)
-	{
-	case hh_e_shop_init:
-		hh_clear_screen();
-		hh_clear_sprite();
-
-		//TODO: render shop bg from level file here
-		//hh_setup_shop();
-		hh_shop_init(&upgrades);
-		selected = HH_SHOP_UPG_DISPLAY/2;
-		hh_shop_display(selected, &upgrades);
-		hh_e_Shop = hh_e_shop_main;
-		return false;
-		break;
-	case hh_e_shop_main:
-		if(g_hh_controller_p1.dpad_left || g_hh_controller_p1.dpad_right){
-			hh_shift_selected(&selected,(g_hh_controller_p1.dpad_right?1:0),0,HH_SHOP_UPG_DISPLAY);
-			hh_shop_display(selected, &upgrades);
-		}
-		if(g_hh_controller_p1.button_primary){
-			//apply selected upgrade
-			hh_e_Shop = hh_e_shop_end;
-		}
-		if(g_hh_controller_p1.button_secondary){
-			hh_e_Shop = hh_e_shop_end;
-		}
-		break;
-	case hh_e_shop_end:
-		hh_e_Shop = hh_e_shop_init;
-		return true;
-		break;
-	default:
-		hh_e_Shop = hh_e_shop_init;
-		break;
-	}
-	return false;
-}
-
-void hh_shop_init(hh_e_upgrades* in) {
-	for (int i = 0; i < HH_SHOP_UPG_DISPLAY; i++) {
-		in[i] = i%HH_SHOP_UPG_COUNT;
-	}
-}
-
-void hh_shop_display(uint8_t selected, hh_e_upgrades* upgrades) {
-	const vec_cor start = {48,16};
-	const uint8_t up = 8,
-					space = 24+8;
-
-	for (int i = 0; i < HH_SHOP_UPG_DISPLAY; i++) {
-		hh_ppu_update_foreground(i+16,
-		(hh_s_ppu_loc_fam_entry){
-			.horizontal_flip = false, .vertical_flip = false,
-			.position_x = i*space+start.x, .position_y = start.y + (i==selected?up:0),
-			.palette_index = 7,
-			.tilemap_index = i
-		});
-	}
-}
-
-void hh_shift_selected(uint8_t* pos, bool dir, uint8_t min, uint8_t max) {
-	if (dir) {
-		pos = CLAMP(++pos,min,max);
-	} else {
-		if (pos > 0) {
-			pos--;
-		}
-	}
-}
diff --git a/src/GameLoop/shop.h b/src/GameLoop/shop.h
deleted file mode 100644
index 5cd6b53..0000000
--- a/src/GameLoop/shop.h
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "input.h"
-#include "engine/draw_screen.h"
-
-
-
-#include <stdint.h>
-#include <stdbool.h>
-
-typedef enum {
-	hh_e_shop_init,
-	hh_e_shop_main,
-	hh_e_shop_end
-} hh_e_ShopStates;
-
-/** @brief amount of upgrade types */
-#define HH_SHOP_UPG_COUNT 2
-/** @brief count of visible upgrades in shop */
-#define HH_SHOP_UPG_DISPLAY 4
-/** @brief all possible upgrades */
-typedef enum {
-	hh_e_UPG_JUMP,
-	hh_e_UPG_HEALTH
-} hh_e_upgrades;
-
-/** @brief init */
-void hh_shop_init(hh_e_upgrades* in);
-/** @brief deals with displayed entity rendering */
-void hh_shop_display(uint8_t selected, hh_e_upgrades* upgrades);
-/** @brief moves 'cursor' through selection field */
-void hh_shift_selected(uint8_t* pos, bool dir, uint8_t min, uint8_t max);
-
-bool hh_show_Shop();
diff --git a/src/GameLoop/startingScreen.c b/src/GameLoop/startingScreen.c
deleted file mode 100644
index 4fc5af9..0000000
--- a/src/GameLoop/startingScreen.c
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "startingScreen.h"
-#include "input.h"
-#include "engine/title_screen.h"
-#include "engine/draw_screen.h"
-// #include "engine/player_controller.h"
-
-bool hh_show_startingScreen(){
-	static hh_e_screenStates hh_e_startingScreen = hh_e_STATE_SHOW;
-	
-	switch (hh_e_startingScreen)
-	{
-	case hh_e_STATE_SHOW:
-		hh_clear_screen();
-		hh_init_title_screen();
-		hh_e_startingScreen = hh_e_STATE_Input;
-		return false;
-		break;
-	case hh_e_STATE_Input:
-		if(g_hh_controller_p1.button_primary){
-			hh_e_startingScreen = hh_e_STATE_END;
-		}
-		break;
-	case hh_e_STATE_END:
-		hh_e_startingScreen = hh_e_STATE_SHOW;
-		return true;
-		break;
-	default:
-		hh_e_startingScreen = hh_e_STATE_SHOW;
-		break;
-	}
-	return false;
-}
diff --git a/src/GameLoop/startingScreen.h b/src/GameLoop/startingScreen.h
deleted file mode 100644
index f51cc66..0000000
--- a/src/GameLoop/startingScreen.h
+++ /dev/null
@@ -1,14 +0,0 @@
-#pragma once
-
-#include <stdint.h>
-#include <stdbool.h>
-
-typedef enum {
-	hh_e_STATE_SHOW,
-	hh_e_STATE_Input,
-	hh_e_STATE_END
-} hh_e_screenStates;
-
-
-bool hh_show_startingScreen();
-
diff --git a/src/demo.c b/src/demo.c
index 4fa1be2..aae1729 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -17,6 +17,7 @@
 #include "game_loop/gameplay.h"
 #include "game_loop/shop.h"
 
+#include <stdbool.h>
 
 hh_g_all_levels hh_game;
 
@@ -61,7 +62,7 @@ void hh_demo_loop(unsigned long frame) {
 		hh_shop(&hh_game_states);
 		break;
 	case hh_e_state_gameplay:
-		hh_gameplay(hh_game, &hh_game_states);
+		hh_gameplay(&hh_game, &hh_game_states);
 		break;
 	case hh_e_state_game_over:
 		// todo:
diff --git a/src/engine/bullet.c b/src/engine/bullet.c
index e6ca6df..55b20cc 100644
--- a/src/engine/bullet.c
+++ b/src/engine/bullet.c
@@ -1,35 +1,81 @@
 #include "bullet.h"
+int bullets_size=0;
+static int current_bullet=0;
 
-
-
-// TODO: use hh_entity as bullet struct
-void hh_shoot_bullet(vec2 player, vec_cor cam_pos, hh_entity* bullet){
+hh_entity* all_bullets=NULL;
+hh_entity* hh_init_bullets(int size) {
+    if (all_bullets != NULL) {
+        free(all_bullets);
+    }
+    bullets_size = size;
+    all_bullets = malloc(size * sizeof(hh_entity));
+    hh_entity bullet = {
+        .speed = 1,
+        .is_grounded = true,
+        .is_hit = false,
+        .radius = 4,
+        .pos = (vec2){-16,-16},
+        .vel = (vec2){0,0},
+        .size = (vec2) { 13,16},
+        .render = {
+            .frame0 = 84,
+            .palette = 3,
+            .fam = (hh_s_ppu_loc_fam_entry){
+                .horizontal_flip = false,
+                .vertical_flip = false,
+                .palette_index = 7,
+                .tilemap_index = 84,
+            }
+        }
+    };
+    for (int i = 0; i < size; i++) {
+        all_bullets[i] = bullet;
+    }
+    return all_bullets;
+}
+bool rising_edge(bool signal, bool* prev) {
+    bool edge = false;
+    if (signal && !(*prev)) {
+        edge = true;
+    }
+    *prev = signal;
+    return edge;
+}
+bool prev_signal = false;
+void hh_shoot_bullet(vec2 player, hh_entity* bullet){
 	vec2 temp;
-	if(g_hh_controller_p1.button_secondary){
-		if(bullet->is_grounded){
+	if(rising_edge(g_hh_controller_p1.button_secondary,&prev_signal) && bullet->is_grounded){
 			bullet->is_grounded=false;
 			bullet->pos = player;
-		}
+			current_bullet = (current_bullet + 1) % bullets_size;
+	}
+
+}
+
+void hh_update_bullet(hh_entity* bullet){
+	if(hh_background_collision_bulllet(*bullet)){
+		hh_bullet_death(bullet);
+
+		// printf("x %d y %d\n",(bullet->pos.x-cam_pos.x),(bullet->pos.y-cam_pos.y));
 	}
 	else{
-		if(!bullet->is_grounded){
-			hh_update_bullet(bullet , cam_pos);
-			hh_draw_bullet(*bullet);
-		}
+		bullet->pos.x += bullet->speed;	
 	}
-	
 
 }
 
-void hh_update_bullet(hh_entity* bullet, vec_cor cam_pos){
-	bullet->pos.x += 1;
-
-	// update bullet sprite on ppu
-	bullet->render.fam.position_x = (bullet->pos.x-cam_pos.x);
-	bullet->render.fam.position_y = (bullet->pos.y-cam_pos.y);
+void hh_multiple_bullets(vec2 player, hh_entity* bullets){
 
+	hh_shoot_bullet(player, &bullets[current_bullet]);
+	for(int i=0; i < bullets_size;i++){
+		if(!bullets[i].is_grounded){
+			hh_update_bullet(&bullets[i]);
+		}
+	}
 }
-void hh_draw_bullet(hh_entity bullet){
-	hh_s_ppu_loc_fam_entry temp = bullet.render.fam;
-	hh_ppu_update_foreground(10,temp);
+
+void hh_bullet_death(hh_entity* bullet){
+	bullet->is_grounded=true;
+	bullet->pos.x= -16;
+	bullet->pos.y= -16;
 }
diff --git a/src/engine/bullet.h b/src/engine/bullet.h
index 5f07b2e..4133032 100644
--- a/src/engine/bullet.h
+++ b/src/engine/bullet.h
@@ -1,11 +1,18 @@
 #pragma once
 #include "player_controller.h"
 #include "engine/sprite_controller.h"
+#include "types.h"
 #include "input.h"
 
+hh_entity* hh_init_bullets(int size);
 
-void hh_shoot_bullet(vec2 playerPos, vec_cor cam_pos, hh_entity*);
+/** @brief checks if player hit button and sets the activate bullet*/
+void hh_shoot_bullet(vec2 playerPos, hh_entity*);
 
-void hh_update_bullet(hh_entity* , vec_cor );
+/** @brief updates single bullet position*/
+void hh_update_bullet(hh_entity* );
 
-void hh_draw_bullet(hh_entity);
+/** @brief calculates all the bullets positions and which to shoot */
+void hh_multiple_bullets(vec2 player, hh_entity* bullets);
+
+void hh_bullet_death(hh_entity* bullet);
diff --git a/src/engine/draw_screen.c b/src/engine/draw_screen.c
index 823c284..74b4ff2 100644
--- a/src/engine/draw_screen.c
+++ b/src/engine/draw_screen.c
@@ -10,7 +10,7 @@ uint8_t hh_world_to_tile(vec2 pos){
 	return tile;
 }
 
-void hh_update_screen(vec2 view, vec2 player){
+void hh_update_screen(vec2 view){
 	int current_tile_y = view.y / HH_PPU_SPRITE_HEIGHT;
 	int current_tile_x = view.x / HH_PPU_SPRITE_WIDTH;
 	int offset_py = view.y - (offsetY / 40 * HH_PPU_SPRITE_HEIGHT);
@@ -86,7 +86,7 @@ vec_cor hh_draw_screen(vec2 player) {
 	viewport.x = CLAMP(viewport.x, 0, level.size.x * HH_PPU_SPRITE_WIDTH - HH_PPU_SCREEN_WIDTH);
 	viewport.y = CLAMP(viewport.y, 0, level.size.y * HH_PPU_SPRITE_HEIGHT - HH_PPU_SCREEN_HEIGHT);
 	
-	hh_update_screen((vec2){.y=viewport.y,.x=viewport.x},player);
+	hh_update_screen((vec2){.y=viewport.y,.x=viewport.x});
    if (viewport.x == previousViewport.x && viewport.y == previousViewport.y){}
 	else{
 		hh_ppu_update_aux((hh_s_ppu_loc_aux){
diff --git a/src/engine/draw_screen.h b/src/engine/draw_screen.h
index 9130842..4829bc6 100644
--- a/src/engine/draw_screen.h
+++ b/src/engine/draw_screen.h
@@ -11,24 +11,22 @@
 #include <stdlib.h>
 #include "engine/camera.h"
 
-#define hh_max_x_size 40 
-#define hh_max_y_size 30
-
-/** @brief return a single tile from world binary */
+/** @brief return a single tile from world */
 uint8_t hh_world_to_tile(vec2 pos);
 
-/** @brief shift to level if viewport changed position */
+/** @brief main function for the screen. shift through the map and update the camera based on the player */
 vec_cor hh_draw_screen(vec2 player);
 
-/** @brief send data to BAM memory from binary level */
+/** @brief sets the start of a level */
 void hh_setup_screen(hh_level_entity currentlevel);
-/** @brief updates screen based on view and maybe player position if it needs to turn back*/
-void hh_update_screen(vec2 view, vec2 );
+/** @brief updates screen if view is at the beginning or end */
+void hh_update_screen(vec2 view);
 
 /** @brief send black screen to background memory */
 void hh_clear_screen();
 
 /** @brief clears all sprite data */
 void hh_clear_sprite();
+
 /** @brief send data to BAM memory from binary from shop */
 void hh_setup_Shop();
diff --git a/src/engine/enemy.c b/src/engine/enemy.c
new file mode 100644
index 0000000..186cfa0
--- /dev/null
+++ b/src/engine/enemy.c
@@ -0,0 +1,31 @@
+#include "engine/enemy.h"
+
+void hh_update_enemy(hh_entity* enemy, vec_cor cam_pos){
+	//Bjorn functions
+
+
+}
+
+void hh_multiple_enemies( vec_cor cam_pos, hh_entity* enemies, int total_enemies){
+	for(int i=0; i < total_enemies;i++){
+			hh_update_enemy(&enemies[i] , cam_pos);
+		}
+
+}
+
+void hh_enemy_death_check(hh_entity* enemy){
+	if(enemy->hp == 0){
+		enemy->is_hit=false;
+		enemy->pos = (vec2){-16, -16};
+	}
+	else{
+		enemy->hp--;
+	}
+}
+void hh_solve_hitted_enemies(hh_entity* enemies, int total_enemies){
+	for(int i = 0; i < total_enemies; i++){
+		if(enemies[i].is_hit){
+			hh_enemy_death_check(&enemies[i]);
+		}
+	}
+}
diff --git a/src/engine/enemy.h b/src/engine/enemy.h
new file mode 100644
index 0000000..80498f5
--- /dev/null
+++ b/src/engine/enemy.h
@@ -0,0 +1,18 @@
+#pragma once
+#include "player_controller.h"
+#include "engine/sprite_controller.h"
+#include "types.h"
+#include "input.h"
+
+/** @brief updates a single enemy locations TODO: Bjorn sets functions in here*/
+void hh_update_enemy(hh_entity* , vec_cor );
+
+/** @brief calculates all the given enemies positions*/
+void hh_multiple_enemies( vec_cor cam_pos, hh_entity* enemies, int total_enemies);
+
+/** @brief checks if the enemy has zero hp else it takes hp from the enemy */
+void hh_enemy_death_check(hh_entity* enemy);
+
+/** @brieg all the given enemies get controlled if there hit and than calculates the dmg */
+void hh_solve_hitted_enemies(hh_entity* enemies, int total_enemies);
+
diff --git a/src/engine/entity.c b/src/engine/entity.c
index 58b62c9..1cb88be 100644
--- a/src/engine/entity.c
+++ b/src/engine/entity.c
@@ -84,6 +84,41 @@ hh_entity hh_background_collision (hh_entity temp_old_entity,hh_entity temp_new_
 	return temp_old_entity;
 }
 
+bool hh_background_collision_bulllet (hh_entity temp_old_entity){
+
+	//	temp_new_entity.is_grounded = false;
+ 
+// solves x collision
+	if (temp_old_entity.vel.x <= 0) {
+		if (hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + 0, .y=temp_old_entity.pos.y + 0})) || 
+			hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + 0, .y=temp_old_entity.pos.y + (temp_old_entity.size.y-1)}))) {
+				return true;
+		}
+	} else {
+		if (hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + temp_old_entity.size.x, .y=temp_old_entity.pos.y + 0})) || 
+			hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + temp_old_entity.size.x, .y=temp_old_entity.pos.y + (temp_old_entity.size.y-1)}))) {
+				return true;
+		}
+	}
+
+	//solves y collision
+	if (temp_old_entity.vel.y <= 0) {
+		if (hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + 0, .y=temp_old_entity.pos.y + 0})) || 
+			hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + (temp_old_entity.size.x-1), .y=temp_old_entity.pos.y + 0}))) {
+			return true;
+		}
+	} else {
+		if (hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + 0, .y=temp_old_entity.pos.y + (temp_old_entity.size.y-1)})) || 
+			hh_colidable(hh_world_to_tile((vec2){.x=temp_old_entity.pos.x + (temp_old_entity.size.x-1), .y=temp_old_entity.pos.y + (temp_old_entity.size.y-1)}))) {
+				return true;
+		}
+	}
+	// temp_old_entity = temp_new_entity;
+	// temp_old_entity.is_grounded = temp_new_entity.is_grounded;
+	// temp_old_entity.pos = temp_new_entity.pos; 
+	// temp_old_entity.vel = temp_new_entity.vel;
+	return false;
+}
 hh_entity hh_enemy_collision(hh_entity temp_player, hh_entity temp_enemy){
 	
 	bool collide = hh_distance_circles( temp_player.pos,  temp_enemy.pos, temp_player.radius, temp_enemy.radius);
@@ -127,3 +162,75 @@ bool hh_distance_circles (vec2 object_1, vec2 object_2, int radius_1, int radius
 			return false;
 		}
 }
+
+void hh_jump_entity(hh_entity* object_1){
+	if (object_1->is_grounded == true) {//JUMP
+	 	object_1->vel.y = -10;
+		object_1->is_grounded = false;
+	}
+}
+void hh_gravity_entity(hh_entity* object_1){
+	if (object_1->is_grounded == false && object_1->vel.y < 6) {
+		object_1->vel.y += 1; //gravity
+	}
+}
+void hh_hit_entity(hh_entity* object_1, int8_t* hit_timer, int8_t* direction){
+	if(object_1->is_hit == true){
+		hit_timer = 9;
+		object_1->is_hit = false;	
+	} 
+	if(hit_timer > -10){
+			hit_timer--;
+	}
+	
+	if(hit_timer <= 0){
+		if(direction != 0){
+			if(object_1->vel.x > -1 * object_1->speed && object_1->vel.x < object_1->speed) {
+				object_1->vel.x = object_1->vel.x + direction;
+			} else {
+				if (object_1->vel.x > 0) {
+					object_1->vel.x--;
+				} else if(object_1->vel.x < 0) {
+					object_1->vel.x++; 
+				}
+			}
+		} else {
+			if (object_1->vel.x > 0) {
+				object_1->vel.x--;
+			} else if(object_1->vel.x < 0) {
+			object_1->vel.x++; 
+			}
+		}
+		
+	} else {
+		if (object_1->vel.x > 0) {
+			object_1->vel.x--;
+		} else if(object_1->vel.x < 0) {
+			object_1->vel.x++; 
+		}
+			object_1->vel.y++;
+	}
+	
+}
+
+void hh_check_all_collisions(hh_entity* player, hh_entity* enemies, int total_enemies, hh_entity* bullets, int total_bullets, vec_cor cam_pos){
+	for(int enemy = 0; enemy < total_enemies; enemy++){
+		*player = hh_enemy_collision(*player, enemies[enemy]);
+		enemies[enemy].is_hit=false;
+	}
+
+	for(int i = 0; i < total_bullets; i++){
+		if(!bullets[i].is_grounded){ 
+			for (int enemy = 0; enemy < total_enemies; enemy++){
+				
+				if(hh_distance_circles(bullets[i].pos,enemies[enemy].pos,bullets[i].radius,enemies[enemy].radius)){
+					enemies[enemy].is_hit=true;
+					hh_bullet_death(&bullets[i]);
+				}
+			}	
+		}
+	}
+	
+}
+
+
diff --git a/src/engine/entity.h b/src/engine/entity.h
index 68b450d..fde9341 100644
--- a/src/engine/entity.h
+++ b/src/engine/entity.h
@@ -7,6 +7,9 @@
 #include "ppu/types.h"
 #include "engine/maths.h"
 #include "engine/types.h"
+#include "engine/animator.h"
+#include "engine/sprite_controller.h"
+
 // #include "engine/animator.h"
 
 // TODO: make a sprite update function (and required data structs?)
@@ -43,4 +46,14 @@ hh_entity hh_enemy_collision(hh_entity temp_player, hh_entity temp_enemy);
 /// @return true if objects collids
 bool hh_distance_circles(vec2 object_1, vec2 object_2, int radius_1, int radius_2);
 
-
+/** @brief jumps a entity. TODO: input jumping how high and no magic number*/  
+void hh_jump_entity(hh_entity* );
+/** @brief looks if the player is grounded and if not it sets the position down */
+void hh_gravity_entity(hh_entity* );
+/** @brief if object is hit bounches in specific direction and moves the object */
+void hh_hit_entity(hh_entity* object_1, int8_t* hit_timer, int8_t* direction);
+
+/** @brief specific bullet background collisions detection */
+bool hh_background_collision_bulllet (hh_entity temp_old_entity);
+/** @brief checks any entity has a hit on each othe*/
+void hh_check_all_collisions(hh_entity* player, hh_entity* enemies, int total_enemies, hh_entity* bullets, int total_bullets, vec_cor cam_pos);
diff --git a/src/engine/level_const.c b/src/engine/level_const.c
index 58b2514..642a474 100644
--- a/src/engine/level_const.c
+++ b/src/engine/level_const.c
@@ -41,6 +41,8 @@ hh_g_all_levels hh_init_game_levels(){
 	levels.level[0].place = hh_game_level1;
 	levels.level[1].place = hh_game_level2;
 
+	// free(hh_game_level1);
+	// free(hh_game_level2);
 	return levels;
 }
 
diff --git a/src/engine/level_const.h b/src/engine/level_const.h
index b86ae7b..6275b72 100644
--- a/src/engine/level_const.h
+++ b/src/engine/level_const.h
@@ -28,4 +28,5 @@ typedef struct  {
 
 }hh_g_all_levels;
 
+/** @brief init all the levels*/
 hh_g_all_levels hh_init_game_levels();
diff --git a/src/engine/player_controller.c b/src/engine/player_controller.c
index 807037a..6400b02 100644
--- a/src/engine/player_controller.c
+++ b/src/engine/player_controller.c
@@ -9,195 +9,34 @@
 
 #include "engine/animator.h"
 #include "engine/bullet.h"
-void hh_player_actions() {
-	static hh_entity player={
-		.hp = 4,
-		.speed = 6,
-		.is_grounded = false,
-		.is_hit = false,
-		.radius = 16,
-		.pos = (vec2){128+16,32},
-		.vel = (vec2){0,0},
-		.size = (vec2){16,32},
-		.render = {
-			.frame0 = HH_TM_GOZER_OFFSET,
-			.palette = 3,
-			.fam = (hh_s_ppu_loc_fam_entry){
-				.horizontal_flip = false,
-				.vertical_flip = false,
-				.palette_index = 3,
-				.tilemap_index = HH_TM_GOZER_OFFSET,
-			}
-		}
-	}, player_new = {0};
+void hh_player_actions(hh_entity* player){
 
-    static hh_entity bullet={
-//        .hp = 4,
-        .speed = 6,
-        .is_grounded = true,
-        .is_hit = false,
-        .radius = 8,
-        .pos = (vec2){-16,-16},
-        .vel = (vec2){0,0},
-        .render = {
-            .frame0 = HH_TM_BULLET_OFFSET,
-            .palette = 3,
-            .fam = (hh_s_ppu_loc_fam_entry){
-                .horizontal_flip = false,
-                .vertical_flip = false,
-                .palette_index = 3,
-                .tilemap_index = HH_TM_BULLET_OFFSET,
-            }
-        }
-    };
+	static hh_entity player_new = {0};
+	player_new = *player;
 
-	static hh_entity enemy={
-		.hp = 4,
-		.speed = 6,
-		.is_grounded = false,
-		.is_hit = false,
-		.radius = 8,
-		.pos = (vec2){128,48},
-		.vel = (vec2){0,0},
-		.size = (vec2){16,16},
-		.render = {
-			.frame0 = 20,
-			.palette = 7,
-			.ppu_foreground_index = 16,
-			.fam = (hh_s_ppu_loc_fam_entry){
-				.horizontal_flip = false,
-				.vertical_flip = false,
-				.palette_index = 7,
-				.tilemap_index = 1,
-			}
-		}
-	};
-	player_new = player;
-	// hh_input_read();
-	static uint8_t hit = 0;
 	int8_t hit_timer = 0;
 	int8_t direction_x = (-1 * g_hh_controller_p1.dpad_left) + (1 * g_hh_controller_p1.dpad_right);
 	int8_t direction_y = (-1 * g_hh_controller_p1.dpad_up) + (1 * g_hh_controller_p1.dpad_down);
 
-	if(player.is_hit == true){
-		hit_timer = 9;
-		player.is_hit = false;	
-	} 
-	if(hit_timer > -10){
-			hit_timer--;
-	}
-
-	if(hit_timer <= 0){
-		if(direction_x != 0){
-			if(player.vel.x > -1 * player.speed && player.vel.x < player.speed) {
-				player.vel.x = player.vel.x + direction_x;
-			} else {
-				if (player.vel.x > 0) {
-					player.vel.x--;
-				} else if(player.vel.x < 0) {
-					player.vel.x++; 
-				}
-			}
-		} else {
-			if (player.vel.x > 0) {
-				player.vel.x--;
-			} else if(player.vel.x < 0) {
-			player.vel.x++; 
-			}
-		}
-		
-		/* // movement Y (w-s) disable gravity to use this
-		if(direction_y != 0){
-			if(player.vel.y > -4 && player.vel.y < 4 ) {
-				player.vel.y =  player.vel.y + direction_y;
-			}
-		} else {
-			if (player.vel.y > 0) {
-				player.vel.y--;
-			} else if(player.vel.y < 0) {
-				player.vel.y++; 
-			}
-		}		
-		
-		*/
-	} else {
-		if (player.vel.x > 0) {
-			player.vel.x--;
-		} else if(player.vel.x < 0) {
-			player.vel.x++; 
-		}
-			player.vel.y++;
+	hh_hit_entity(player,hit_timer,direction_x);
+	hh_gravity_entity(player);
+	if(g_hh_controller_p1.button_primary){
+		hh_jump_entity(player);
 	}
-	
 
-	if (g_hh_controller_p1.button_primary && player.is_grounded == true) {//JUMP
-	 	player.vel.y = -10;
-		player.is_grounded = false;
-	} else if (player.vel.y < 6){
-		 player.vel.y += 1; //gravity
-	}
-	
-/*
-	player.vel = (vec2){.x = (-1 * g_hh_controller_p1.dpad_left) + (1 * g_hh_controller_p1.dpad_right),
-	.y = (-1 * g_hh_controller_p1.dpad_up) + (1 * g_hh_controller_p1.dpad_down) };
 
 		player_new.vel = (vec2){
-		.x = player.vel.x,
-		.y = player.vel.y,
+		.x = player->vel.x,
+		.y = player->vel.y,
 	};
-*/
-
-		player_new.vel = (vec2){
-		.x = player.vel.x,
-		.y = player.vel.y,
-	};
-
-	player_new = hh_enemy_collision(player, enemy);
-
+	
 	player_new.pos = (vec2){
-		.x = player.pos.x + player_new.vel.x,
-		.y = player.pos.y + player_new.vel.y,
+		.x = player->pos.x + player_new.vel.x,
+		.y = player->pos.y + player_new.vel.y,
 	};
 
 
-	player =  hh_background_collision( player, player_new);
-	
-	vec_cor cam_pos;//value in tiles
-	cam_pos = hh_draw_screen(player.pos);
-	hh_shoot_bullet(player.pos, cam_pos ,&bullet);
-	uint16_t idx = 16;
-	// hh_clear_sprite();
-	hh_update_sprite(&idx, &enemy, cam_pos);
-	hh_update_sprite(&idx, &player, cam_pos);
-
-	idx =16;
-
-	// TODO: make this a function call
-	// update player sprite on ppu
-	// player.render.fam.position_x = (player.pos.x-cam_pos.x);
-	// player.render.fam.position_y = (player.pos.y-cam_pos.y);
-
-	// enemy.render.fam.position_x = (enemy.pos.x-cam_pos.x);
-	// enemy.render.fam.position_y = (enemy.pos.y-cam_pos.y);
-
-
-	// TODO: make this loop a function call
-	// for (int i = 0; i < 4; i++)
-	// {
-	// 	hh_s_ppu_loc_fam_entry temp = player.render.fam;
-	// 	temp.position_x = player.render.fam.position_x+(!(player.vel.x>0)?-1:1)*(i%2?8:-8);
-	// 	temp.position_y = player.render.fam.position_y+(i>1?0:-16);
-	// 	temp.tilemap_index = player.render.fam.tilemap_index + i;
-	// 	temp.horizontal_flip = !(player.vel.x>0);
-	// 	hh_ppu_update_foreground(i,temp);
-
-	// 	// hh_s_ppu_loc_fam_entry temp = {
-	// 	// 	.position_x = player.render.fam.position_x+(!(player.vel.x>0)?-1:1)*(i%2?8:-8)
-	// 	// };
-
-	// }
-
-	// hh_ppu_update_foreground(4, enemy.render.fam);
+	*player =  hh_background_collision ( *player, player_new);
 
 }
 
diff --git a/src/engine/player_controller.h b/src/engine/player_controller.h
index 400c18e..23749e5 100644
--- a/src/engine/player_controller.h
+++ b/src/engine/player_controller.h
@@ -4,4 +4,4 @@
 #include "engine/entity.h"
 // inputs
 
-void hh_player_actions();
+void hh_player_actions(hh_entity* player);
diff --git a/src/game_loop/game_over.h b/src/game_loop/game_over.h
index 80db667..47318df 100644
--- a/src/game_loop/game_over.h
+++ b/src/game_loop/game_over.h
@@ -14,5 +14,5 @@ typedef enum {
 	hh_e_game_over_end,
 } hh_e_game_over;
 
-
+/** @brief game loop  function game over*/
 void hh_game_over(hh_e_game_state*);
diff --git a/src/game_loop/gameplay.c b/src/game_loop/gameplay.c
index 295eb5d..2950870 100644
--- a/src/game_loop/gameplay.c
+++ b/src/game_loop/gameplay.c
@@ -1,32 +1,84 @@
 #include "gameplay.h"
-
+#include "engine/entity.h"
+#include "static/tilemap.h"
 // player struct
 
 
-void hh_gameplay(hh_g_all_levels game, hh_e_game_state* hh_game_state){
+void hh_gameplay(hh_g_all_levels* game, hh_e_game_state* hh_game_state){
 	static hh_e_gameplay gameplay = hh_e_setup_screen;
-
+	static hh_entity* bullets;
+	static hh_entity player1={
+		.hp = 4,
+		.speed = 6,
+		.is_grounded = false,
+		.is_hit = false,
+		.radius = 8,
+		.pos = (vec2){32,32},
+		.size = (vec2){32,32},
+		.vel = (vec2){0,0},
+		.render = {
+			.frame0 = HH_TM_GOZER_OFFSET,
+			.palette = 3,
+			.fam = (hh_s_ppu_loc_fam_entry){
+				.horizontal_flip = false,
+				.vertical_flip = false,
+				.palette_index = 3,
+				.tilemap_index = HH_TM_GOZER_OFFSET,
+			}
+		}
+	};
+	// enemy gets replaced here is just for reference
+	static hh_entity enemy={
+		.hp = 4,
+		.speed = 6,
+		.is_grounded = false, 
+		.is_hit = false,
+		.radius = 8,
+		.pos = (vec2){128,24},
+		.size = (vec2){16,16},
+		.vel = (vec2){0,0},
+		// .vec = (vec2){0,0},
+		.render = {
+			.frame0 = HH_TM_SLIME_OFFSET,
+			.palette = 7,
+			.fam = (hh_s_ppu_loc_fam_entry){
+				.horizontal_flip = false,
+				.vertical_flip = false,
+				.palette_index = 7,
+				.tilemap_index = HH_TM_SLIME_OFFSET,
+			}
+		}
+	};
+	static int total_bullets = 5;
 	switch (gameplay)
 	{
 	case hh_e_setup_screen:
-		hh_setup_screen(game.level[game.current_level]);
+		printf("%d\n",game->current_level);
+		bullets = hh_init_bullets(total_bullets);
+		hh_setup_screen(game->level[game->current_level]);
 		gameplay = hh_e_play_level;
+		enemy.hp=4;
 		break;
 	case hh_e_play_level:
-		// todo: here come all the different functions for the gameplay
-		hh_player_actions();
-
-
-
+		// TODO: here come all the different functions for the gameplay
+		vec_cor cam_pos;//value in tiles
+		cam_pos = hh_draw_screen(player1.pos);
+		hh_player_actions(&player1);
+		hh_multiple_bullets(player1.pos,bullets);
+		hh_multiple_enemies(cam_pos, &enemy,1);
+		hh_check_all_collisions(&player1,&enemy,1,bullets,total_bullets,cam_pos);
+		hh_solve_hitted_enemies(&enemy,1);
+	  	hh_render_all_entities(&player1,bullets,&enemy,total_bullets,1, cam_pos);
 
 
-		if(game.level[game.current_level].hh_level_completed){
+		
+		if(game->level[game->current_level].hh_level_completed){ 
 			gameplay = hh_e_level_complete;
 		}
 		break;
 	case hh_e_level_complete:
-		if(game.current_level < 3){
-			game.current_level++;
+		if(game->current_level < 3){
+			game->current_level+=1;
 			gameplay = hh_e_setup_screen;
 		}
 		else {
@@ -45,3 +97,17 @@ void hh_gameplay(hh_g_all_levels game, hh_e_game_state* hh_game_state){
 	
 }
 void hh_reset_levels(){}
+
+
+void hh_render_all_entities(hh_entity* player, hh_entity* bullets, hh_entity* enemies, int bullet_size, int enemy_size, vec_cor cam_pos){
+
+	int index = 0;
+	hh_update_sprite(0 , player, cam_pos);
+	
+	for (int i = 0; i < bullet_size; i++) {
+		hh_update_sprite(i+5,&bullets[i],cam_pos);
+ 	}
+	for (int i = 0; i < enemy_size; i++) {
+		hh_update_sprite(i+5+bullet_size,&enemies[i],cam_pos);
+	}
+}
diff --git a/src/game_loop/gameplay.h b/src/game_loop/gameplay.h
index d309e78..9d66c37 100644
--- a/src/game_loop/gameplay.h
+++ b/src/game_loop/gameplay.h
@@ -1,9 +1,13 @@
 #pragma once
 #include "engine/draw_screen.h"
+#include "engine/bullet.h"
 #include "engine/player_controller.h"
 #include "engine/sprite_controller.h"
 #include "game_loop/starting_screen.h"
 #include "engine/level_const.h"
+#include "engine/animator.h"
+#include "engine/enemy.h"
+
 
 typedef enum {
 	hh_e_setup_screen,
@@ -11,7 +15,9 @@ typedef enum {
 	hh_e_level_complete,
 	hh_e_game_over,
 }hh_e_gameplay;
-
+/** @brief resets all the levels the first condition */
 void hh_reset_levels();
-void hh_gameplay(hh_g_all_levels, hh_e_game_state*);
-
+/** @brief game loop function to handle the gameplay*/
+void hh_gameplay(hh_g_all_levels* game, hh_e_game_state* hh_game_state);
+/** @brief renders all the entities*/
+void hh_render_all_entities(hh_entity* player, hh_entity* bullets, hh_entity* enemies, int bullet_size, int enemy_size, vec_cor cam_pos);
diff --git a/src/game_loop/starting_screen.c b/src/game_loop/starting_screen.c
index 6ab0278..c11e4fc 100644
--- a/src/game_loop/starting_screen.c
+++ b/src/game_loop/starting_screen.c
@@ -1,8 +1,8 @@
-#include "starting_screen.h""
+#include "starting_screen.h"
 #include "input.h"
 #include "engine/title_screen.h"
 #include "engine/draw_screen.h"
-// #include "engine/player_controller.h"
+#include "engine/player_controller.h"
 
 bool hh_show_starting_screen(){
 	static hh_e_screen_states hh_e_starting_screen = hh_e_state_show;
diff --git a/src/makefile b/src/makefile
index ac67c86..a7af89e 100644
--- a/src/makefile
+++ b/src/makefile
@@ -41,6 +41,7 @@ LOCAL_SRCS += main.c \
 							engine/bullet.c \
 							engine/title_screen.c \
 							engine/level_const.c \
+							engine/enemy.c \
 							engine/animator.c \
 							game_loop/shop.c \
 							game_loop/gameplay.c \