render mobs via spritesheet + blood splatters

code/foundation/src/models/components.h

@@ -241,6 +241,7 @@ typedef struct { char _unused; } SeeksCompanion;
 // survival comps
 typedef struct { 
 	uint8_t atk_delay;
+    uint16_t despawn_timer;
 } Mob;
 typedef struct { 
 	uint64_t plr; 

code/foundation/src/models/prefabs/prefabs_list.c

@@ -66,15 +66,15 @@ uint64_t craftbench_spawn(void) {
 //------------------------------------------------------------------------
 
 uint64_t creature_spawn(void) {
-	ecs_entity_t e = entity_spawn(EKIND_DEMO_NPC);
-
-	Creature *c = ecs_get_mut(world_ecs(), e, Creature);
-	c->hunger_satisfied = 0;
-	c->mating_satisfied = rand() % 1800;
-	c->life_remaining = 500 + rand() % 5200;
-
-	return (uint64_t)e;
-}
+	ecs_entity_t e = entity_spawn(EKIND_DEMO_NPC);
+
+	Creature *c = ecs_get_mut(world_ecs(), e, Creature);
+	c->hunger_satisfied = 0;
+	c->mating_satisfied = rand() % 1800;
+	c->life_remaining = 500 + rand() % 5200;
+
+	return (uint64_t)e;
+}
 
 //------------------------------------------------------------------------
 
@@ -127,6 +127,7 @@ uint64_t mob_spawn(void) {
 	ecs_add(world_ecs(), e, Mob);
 	ecs_set(world_ecs(), e, Health, { 60, 60, 0 });
 	ecs_set(world_ecs(), e, PhysicsBody, { .kind = PHYS_AABB, .mass = 1.0f });
+    ecs_set(world_ecs(), e, Sprite, { .frame = 101 + (rand()%3) });
 
 	return (uint64_t)e;
 }

code/foundation/src/systems/systems.c

@@ -46,7 +46,7 @@ static inline bool BlockCollisionIslandTest(Position *p, librg_chunk ch_p) {
 	collision_island islands[16];
 	uint8_t num_islands = world_chunk_collision_islands(ch_p, islands);
 	for (uint8_t i = 0; i < num_islands; i++) {
-#if 1
+#if 0
 		{
 			zpl_printf("px %f py %f minx %f miny %f\n", p->x, p->y, islands[i].minx, islands[i].miny);
 			debug_v2 a = {islands[i].minx, islands[i].miny};

code/games/survival/src/game.c

@@ -15,16 +15,17 @@ static ecs_query_t *ecs_mobpos_query = NULL;
 #include "system_weapon.c"
 
 void mob_systems(ecs_world_t *ecs) {
-	ECS_SYSTEM_TICKED_EX(ecs, MobDetectPlayers, EcsPostUpdate, 100.0f, components.Position, components.Mob);
-	ECS_SYSTEM(ecs, MobMovement, EcsPostUpdate, components.Velocity, components.Position, components.MobHuntPlayer);
-	ECS_SYSTEM_TICKED(ecs, MobMeleeAtk, EcsPostUpdate, components.Position, components.Mob, components.MobHuntPlayer, components.MobMelee);
+	ECS_SYSTEM_TICKED_EX(ecs, MobDetectPlayers, EcsPostUpdate, 100.0f, components.Position, components.Mob, !components.Dead);
+	ECS_SYSTEM(ecs, MobMovement, EcsPostUpdate, components.Velocity, components.Position, components.MobHuntPlayer, !components.Dead);
+	ECS_SYSTEM_TICKED(ecs, MobMeleeAtk, EcsPostUpdate, components.Position, components.Mob, components.MobHuntPlayer, components.MobMelee, !components.Dead);
+	ECS_SYSTEM_TICKED(ecs, MobDespawnDead, EcsPostUpdate, components.Mob, components.Dead);
 
 	//NOTE(DavoSK): weapons
-	ecs_mobpos_query = ecs_query_new(world_ecs(), "components.Mob, components.Position, components.Health, components.Velocity");
+	ecs_mobpos_query = ecs_query_new(world_ecs(), "components.Mob, components.Position, components.Health, components.Velocity, !components.Dead");
 	ECS_SYSTEM_TICKED(ecs, WeaponKnifeMechanic, EcsPostUpdate, components.WeaponKnife, components.Position, components.Input, !components.Dead);
 	ECS_SYSTEM_TICKED(ecs, WeaponProjectileHit, EcsPostUpdate, components.WeaponProjectile, components.Position, components.Rotation);
 	ECS_SYSTEM_TICKED(ecs, WeaponProjectileExpire, EcsPostUpdate, components.WeaponProjectile, components.Position);
-	ECS_OBSERVER(ecs, MobOnDead, EcsOnAdd, components.Mob, components.Dead);
+	ECS_OBSERVER(ecs, MobOnDead, EcsOnAdd, components.Mob, components.Sprite, components.Velocity, components.Dead);
 }
 
 void game_input() {

code/games/survival/src/renderer.c

@@ -88,10 +88,12 @@ void renderer_draw_entry(uint64_t key, entity_view *data, game_world_render_entr
 			float x = data->x;
 			float y = data->y;
 			//DrawCircleEco(x, y, size, ColorAlpha(PINK, data->tran_time));
-			DrawTextureRec(GetSpriteTexture2D(assets_find(ASSET_MOB)), ASSET_SRC_RECT(), (Vector2){data->x-(WORLD_BLOCK_SIZE/2), data->y-(WORLD_BLOCK_SIZE/2)}, ColorAlpha(WHITE, data->tran_time));
+			// DrawTextureRec(GetSpriteTexture2D(assets_find(data->frame)), ASSET_SRC_RECT(), (Vector2){data->x-(WORLD_BLOCK_SIZE/2), data->y-(WORLD_BLOCK_SIZE/2)}, ColorAlpha(WHITE, data->tran_time));
+            DrawSpriteEco(&main_sprite_sheet, data->frame, x, y, 0.0f, 2.0f, WHITE);
+
 			float health = (data->hp / data->max_hp);
 
-			if (health < 1.0f) {
+			if (health > 0.0f && health < 1.0f) {
 				DrawRectangleEco(x-32, y-48, 64, 8, ColorAlpha(BLACK, data->tran_time));
 				DrawRectangleEco(x-32, y-48, 64*health, 8, ColorAlpha(RED, data->tran_time));
 			}

code/games/survival/src/system_mob.c

@@ -56,6 +56,7 @@ void MobMovement(ecs_iter_t *it) {
 #define MOB_MELEE_DIST 8000.0f
 #define MOB_MELEE_DMG 8.5f
 #define MOB_ATK_DELAY 10 
+#define MOB_DESPAWN_TIMER 20*60*5
 
 void MobMeleeAtk(ecs_iter_t *it) {
 	Position *p = ecs_field(it, Position, 1);
@@ -82,12 +83,36 @@ void MobMeleeAtk(ecs_iter_t *it) {
 }
 
 void MobOnDead(ecs_iter_t *it) {
+	Mob *mob = ecs_field(it, Mob, 1);
+	Sprite *spr = ecs_field(it, Sprite, 2);
+	Velocity *v = ecs_field(it, Velocity, 3);
+
 	for (int i = 0; i < it->count; i++) {
-		entity_despawn(it->entities[i]);
+		mob[i].despawn_timer = MOB_DESPAWN_TIMER;
+		spr[i].frame = 3 + (rand()%5);
+		v[i] = (Velocity){0.0f, 0.0f};
+		ecs_remove(it->world, it->entities[i], PhysicsBody);
 
 		pkt_code_send(0, 0, (pkt_send_code){
 			.code = SURV_CODE_SHOW_NOTIF,
 			.data = "mob died"
 		});
 	}
-}
+}
+
+void MobDespawnDead(ecs_iter_t *it) {
+	Mob *mob = ecs_field(it, Mob, 1);
+
+	for (int i = 0; i < it->count; i++) {
+		if (mob[i].despawn_timer > 0) {
+			TICK_VAR(mob[i].despawn_timer);
+			continue;
+		}
+
+		entity_despawn(it->entities[i]);
+	}
+}
+
+void MobSpawner(ecs_iter_t *it) {
+	
+}