random shop items + animations

12 files changed, 88 insertions, 33 deletions

diff --git a/src/demo.c b/src/demo.c
index c8e3c0e..d072dbc 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -48,6 +48,8 @@ void hh_demo_setup() {
 }
 
 void hh_demo_loop(unsigned long frame) {
+	static uint64_t hh_rng_seed = 0;
+	hh_rng_seed++;
 
 	
 	switch (hh_game_states)
@@ -59,7 +61,7 @@ void hh_demo_loop(unsigned long frame) {
 		}	
 		break;
 	case hh_e_state_shop:
-		hh_shop(&hh_game_states, &hh_game.shop, hh_game.current_level);
+		hh_e_upgrades upg = hh_shop(&hh_game_states, &hh_game, hh_rng_seed);
 		break;
 	case hh_e_state_gameplay:
 		hh_gameplay(&hh_game, &hh_game_states);
diff --git a/src/engine/animator.c b/src/engine/animator.c
index 0811ba7..f188096 100644
--- a/src/engine/animator.c
+++ b/src/engine/animator.c
@@ -6,21 +6,38 @@
 
 
 #define hh_white_palette 6
+#define hh_animate_cycle 4
 
 void hh_animate_hit(hh_s_rendering* in, bool hit) {
 	if (hit) {
 		in->fam.palette_index = hh_white_palette;
-	} else {
+		in->cooldown = hh_animate_cycle;
+	} else if(in->cooldown == 0) {
 		in->fam.palette_index = in->palette;
+	} else {
+		if (in->cooldown > 0) {
+			in->cooldown--;
+		}
 	}
 }
 
 void hh_animate(hh_s_rendering* in, uint16_t start, uint16_t end, uint8_t step) {
-	if (in->fam.tilemap_index >= start && in->fam.tilemap_index < end) {
-		in->fam.tilemap_index += step;
-	} else {// rollover
+	if (in->fam.tilemap_index < start) {//check for sudden animation change
 		in->fam.tilemap_index = start;
+		in->cooldown = hh_animate_cycle;
+	} else {
+		if (in->cooldown-- == 0) {
+
+			if (in->fam.tilemap_index < end) {
+				in->fam.tilemap_index += step;
+			} else {// rollover
+				in->fam.tilemap_index = start;
+			}
+			in->cooldown = hh_animate_cycle;
+		}
+
 	}
+	
 }
 
 //TODO: if entity not inside of screen, don't update idx (problems with old idx not being overwritten anymore)
diff --git a/src/engine/enemy_ai.c b/src/engine/enemy_ai.c
index 81d04d9..974de9e 100644
--- a/src/engine/enemy_ai.c
+++ b/src/engine/enemy_ai.c
@@ -34,9 +34,15 @@ void hh_slime_ai(hh_entity* enemy, hh_entity player){
 	hh_gravity_entity(enemy);
 	hh_update_enemy_movement(enemy);
 
+	hh_animate(&enemy->render,
+		HH_TM_SLIME_JUMPABLE_OFFSET ,
+		HH_TM_SLIME_JUMPABLE_OFFSET + 3,1
+	);
+
 }
 
 void hh_jump_slime_ai(hh_entity* enemy, hh_entity player){
+	bool jumped = false;
 	int8_t direction = hh_get_direction(player.pos.x, enemy->pos.x);
 	hh_gravity_entity(enemy);
 	if((player.pos.x - enemy->pos.x) >= -hunt_player && (player.pos.x - enemy->pos.x) <= hunt_player){
@@ -44,11 +50,16 @@ void hh_jump_slime_ai(hh_entity* enemy, hh_entity player){
 		// TODO: fix this if statement and make it cleaner. this makes the enemy jump when the player mets the condition
 		if((player.pos.y - enemy->pos.y) < -16 && (player.pos.y - enemy->pos.y) >= -100 && (player.pos.x - enemy->pos.x) >= -10 && (player.pos.x - enemy->pos.x) <= 10){
 			hh_jump_entity(enemy);
+			jumped = true;
 		}
 	}
-
+	hh_animate(&enemy->render,
+		HH_TM_SLIME_JUMPABLE_OFFSET + (jumped?4:0),
+		HH_TM_SLIME_JUMPABLE_OFFSET + (enemy->render.fam.tilemap_index>=HH_TM_SLIME_JUMPABLE_OFFSET+5 ? 7 : 3),1
+	);
 	hh_update_enemy_movement(enemy);
 
+
 }
 #define terror_owl_attack_timer 100
 #define terror_owl_follow_player_delay 5 
diff --git a/src/engine/entity.c b/src/engine/entity.c
index eba6481..4bf1b60 100644
--- a/src/engine/entity.c
+++ b/src/engine/entity.c
@@ -173,7 +173,9 @@ void hh_jump_entity(hh_entity* object_1){
 }
 void hh_gravity_entity(hh_entity* object_1){
 	if (object_1->is_grounded == false) {
-		object_1->vel.y += 1; //gravity
+		if(object_1->vel.y < 15) {
+			object_1->vel.y += 1; //gravity
+		}
 	}
 }
 
@@ -181,6 +183,7 @@ void hh_movement_entity(hh_entity* object_1, int8_t* direction){
 	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;
+			object_1->render.fam.horizontal_flip=(object_1->vel.x>0?0:1);// flips direction of object_1
 		} else {
 			if (object_1->vel.x > 0) {
 				object_1->vel.x--;
diff --git a/src/engine/player_controller.c b/src/engine/player_controller.c
index 0148792..7e2e678 100644
--- a/src/engine/player_controller.c
+++ b/src/engine/player_controller.c
@@ -37,6 +37,10 @@ void hh_player_actions(hh_entity* player){
 
 
 	*player =  hh_background_collision ( *player, player_new);
+	
+	if (direction_x != 0) {
+		player->render.fam.horizontal_flip = (direction_x > 0 ?0:1);
+	}
 
 }
 
diff --git a/src/engine/sprite_controller.h b/src/engine/sprite_controller.h
index 93a2aaf..7467289 100644
--- a/src/engine/sprite_controller.h
+++ b/src/engine/sprite_controller.h
@@ -18,6 +18,7 @@
 #define HH_PAL_IDX_BRICK 1
 #define HH_PAL_IDX_SLIME 2
 #define HH_PAL_IDX_HUD 2
+#define HH_PAL_IDX_UPGRADE 2
 #define HH_PAL_IDX_BULLET 3
 #define HH_PAL_IDX_GOZER 3
 #define HH_PAL_IDX_TITLE_SCREEN_ICON 3
@@ -35,7 +36,7 @@ const static uint8_t hh_g_sprite_palette[HH_TM_GROUPS] = {
 	HH_PAL_IDX_TITLE_SCREEN_ICON,
 	HH_PAL_IDX_TITLE_SCREEN_ICON,
 	HH_PAL_IDX_HUD,
-	HH_PAL_IDX_HUD,
+	HH_PAL_IDX_UPGRADE,
 	HH_PAL_IDX_BULLET,
 	HH_PAL_IDX_GOZER,
 	HH_PAL_IDX_SLIME,
diff --git a/src/engine/types.h b/src/engine/types.h
index 5fc80fa..ba41ca7 100644
--- a/src/engine/types.h
+++ b/src/engine/types.h
@@ -26,10 +26,16 @@ typedef struct {
 	hh_s_ppu_loc_fam_entry fam; //screen
 	uint16_t frame0;
 	uint16_t palette;
+	uint16_t cooldown;
 	
 }hh_s_rendering;
 
 typedef struct {
+	uint8_t* start, len;
+}hh_s_animations;
+
+
+typedef struct {
 	vec2 pos, vel, size;
 	bool is_grounded;
 	bool is_hit;
diff --git a/src/game_loop/gameplay.c b/src/game_loop/gameplay.c
index 3d750f4..200dfac 100644
--- a/src/game_loop/gameplay.c
+++ b/src/game_loop/gameplay.c
@@ -10,7 +10,7 @@ void hh_gameplay(hh_g_all_levels* game, hh_e_game_state* hh_game_state){
 	static hh_entity* bullets;
 	static hh_entity player1={
 		.hp = 4,
-		.speed = 6,
+		.speed = 3,
 		.is_grounded = false,
 		.is_hit = false,
 		.radius = 8,
@@ -48,7 +48,8 @@ void hh_gameplay(hh_g_all_levels* game, hh_e_game_state* hh_game_state){
 				.vertical_flip = false,
 				.palette_index = 2,
 				.tilemap_index = HH_TM_SLIME_OFFSET,
-			}
+			},
+			.cooldown = 0
 		}
 	};
 	static int total_bullets = 15;
diff --git a/src/game_loop/shop.c b/src/game_loop/shop.c
index ab2a1a0..c8dcfe5 100644
--- a/src/game_loop/shop.c
+++ b/src/game_loop/shop.c
@@ -4,7 +4,7 @@
 
 #include "game_loop/ui.h"
 
-void hh_shop(hh_e_game_state* hh_game_state, hh_level_entity* level_shop, int current_level){
+hh_e_upgrades hh_shop(hh_e_game_state* hh_game_state, hh_g_all_levels* levels, int rng_seed){
 	static hh_e_shop_states hh_e_shop = hh_e_shop_show;
 	static hh_e_upgrades upgrades[HH_SHOP_UPG_DISPLAY] = {0};
 	static uint8_t selected = 0;
@@ -17,14 +17,14 @@ void hh_shop(hh_e_game_state* hh_game_state, hh_level_entity* level_shop, int cu
 		// hh_clear_sprite();
 		// TODO: make function to show shop
 		//hh_setup_shop();
-		hh_setup_screen(*level_shop);
-		hh_shop_init(&upgrades);
+		hh_setup_screen(levels->shop);
+		hh_shop_upg_init(&upgrades, rng_seed);
 		selected = HH_SHOP_UPG_DISPLAY/2;
 		hh_shop_display(selected, &upgrades);
 		int idx = 16;
 		// hh_ui_show_char(&idx,"abyz09",(vec2){32,32});
 		char* c[3];
-		itoa(c,current_level);
+		itoa(c,levels->current_level);
 		hh_ui_show_char(&idx,c,(vec2){304-16-8,0});
 
 		hh_e_shop = hh_e_shop_main;
@@ -42,6 +42,7 @@ void hh_shop(hh_e_game_state* hh_game_state, hh_level_entity* level_shop, int cu
 		if(g_hh_controller_p1.button_primary){
 			//apply selected upgrade
 			// hh_e_shop = hh_e_shop_end;
+			return upgrades[selected];
 		}
 		if(g_hh_controller_p1.button_secondary){//Quick exit
 			hh_e_shop = hh_e_shop_end;
@@ -55,15 +56,21 @@ void hh_shop(hh_e_game_state* hh_game_state, hh_level_entity* level_shop, int cu
 		hh_e_shop = hh_e_shop_show;
 		break;
 	}
+	return hh_e_NULL;
 }
 
 uint8_t hh_shop_translate_upgrades(hh_e_upgrades upg) {
-	return upg+10;
+	return HH_TM_UPGRADES_OFFSET+upg;
 }
 
-void hh_shop_init(hh_e_upgrades* in) {
+void hh_shop_upg_init(hh_e_upgrades* in, int seed) {
+	srand(seed);
 	for (int i = 0; i < HH_SHOP_UPG_DISPLAY; i++) {
-		in[i] = i%HH_SHOP_UPG_COUNT;
+		hh_e_upgrades rng = rand()%(HH_SHOP_UPG_COUNT);
+		while (rng == in[i-1]){
+			rng = rand()%(HH_SHOP_UPG_COUNT);
+		}
+		in[i] = rng;
 	}
 }
 
@@ -77,18 +84,10 @@ void hh_shop_display(uint8_t selected, hh_e_upgrades* upgrades) {
 		(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,
+			.palette_index = HH_PAL_IDX_UPGRADE,
 			.tilemap_index = hh_shop_translate_upgrades(upgrades[i])
 		});
 	}
 }
 
-void hh_shift_selected(uint8_t *pos, bool dir, uint8_t min, uint8_t max) {
-	if (dir) {
-		*pos = MIN(*pos+1,max);
-	} else {
-		*pos = MAX(*pos-1,min);
-	}
-	// printf("b: %d sel: %d\n",dir, *pos);
-}
 
diff --git a/src/game_loop/shop.h b/src/game_loop/shop.h
index cce0817..c4f3ced 100644
--- a/src/game_loop/shop.h
+++ b/src/game_loop/shop.h
@@ -3,6 +3,7 @@
 #include "input.h"
 #include "engine/draw_screen.h"
 #include "engine/level_const.h"
+#include "engine/sprite_controller.h"
 
 
 #include <stdint.h>
@@ -20,18 +21,18 @@ typedef enum {
 #define HH_SHOP_UPG_DISPLAY 4
 /** @brief all possible upgrades */
 typedef enum {
-	hh_e_upg_jump,
-	hh_e_upg_speed,
-	hh_e_upg_damage,
+	hh_e_NULL = -1,
 	hh_e_upg_heal,
 	hh_e_upg_max_health,
+	hh_e_upg_jump,
+	hh_e_upg_damage,
+	hh_e_upg_max_ammo,
+	hh_e_upg_speed,
 } hh_e_upgrades;
 
 /** @brief init */
-void hh_shop_init(hh_e_upgrades* in);
+void hh_shop_upg_init(hh_e_upgrades* in, int seed);
 /** @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);
 
-void hh_shop(hh_e_game_state* ,hh_level_entity* , int);
+hh_e_upgrades hh_shop(hh_e_game_state* ,hh_g_all_levels* , int);
diff --git a/src/game_loop/ui.c b/src/game_loop/ui.c
index 8980d03..60dbfc2 100644
--- a/src/game_loop/ui.c
+++ b/src/game_loop/ui.c
@@ -50,3 +50,10 @@ void itoa(char *c, int i) {
 	c[1] = '\0';
 }
 
+void hh_shift_selected(uint8_t *pos, bool dir, uint8_t min, uint8_t max) {
+	if (dir) {
+		*pos = MIN(*pos+1,max);
+	} else {
+		*pos = MAX(*pos-1,min);
+	}
+}
diff --git a/src/game_loop/ui.h b/src/game_loop/ui.h
index 527cc74..073824e 100644
--- a/src/game_loop/ui.h
+++ b/src/game_loop/ui.h
@@ -19,3 +19,6 @@ void hh_ui_show_char(int* idx, char* str, vec2 pos);
 
 /** @brief converts char* [0] to i and [1]='\0' */
 void itoa(char *c, int i);
+
+/** @brief moves 'cursor' through selection field */
+void hh_shift_selected(uint8_t *pos, bool dir, uint8_t min, uint8_t max);