handlemap rewrite init

src/enemy.odin

@@ -3,36 +3,25 @@ package main
 import hm "core:container/handle_map"
 import rl "vendor:raylib"
 
-Enemy :: struct {
+// ИИ врага — летит к игроку. Вызывается из диспатчера sys_update
-	using actor: Actor,
+enemy_update :: proc(state: ^GameState, e: ^Enemy, h: Handle, dt: f32) {
-	touch_dmg:   i32,
+	pe := get_entity(state, state.player)
+	if pe == nil do return
+
+	dir := get_base(pe).pos - e.pos
+	set_vel(&e.base, dir, e.speed)
 }
 
-enemy_update :: proc(state: ^GameState, p, e: ^Entity) {
+// Мёртвые враги → лут
-	p := hm.get(&state.entities, state.player)
+sys_death :: proc(state: ^GameState) {
+	it := hm.iterator_make(&state.entities)
+	for e, _ in hm.iterate(&it) {
+		#partial switch &v in e.v {
+		case Enemy:
+			if v.hp <= 0 && !v.marked {
+				v.marked = true
+				spawn(state, make_ground_item(v.pos))
+			}
+		}
+	}
 }
-
-// sys_enemy_ai :: proc(state: ^GameState) {
-// 	for &enemy in &state.enemies {
-// 		dir := state.player.pos - enemy.pos
-// 		set_vel(cast(^Entity2)&enemy, dir, enemy.speed)
-// 	}
-// }
-//
-// sys_death :: proc(state: ^GameState3) {
-// 	for &enemy in &state.enemies {
-// 		if enemy.hp > 0 || enemy.marked do continue
-// 		enemy.marked = true
-// 		init_entity(
-// 			state,
-// 			GroundItem3 {
-// 				ent = Entity2 {
-// 					GroundItem3 = enemy.pos,
-// 					GroundItem3 = {GroundItem3 = GfxCircle{GroundItem3 = {0, 0}, GroundItem3 = 6, GroundItem3 = {255, 220, 50, 255}}},
-// 					GroundItem3 = 10,
-// 				},
-// 				heal = 25,
-// 			},
-// 		)
-// 	}
-// }

src/gfx.odin

@@ -1,5 +1,6 @@
 package main
 
+import hm "core:container/handle_map"
 import rl "vendor:raylib"
 
 Graphics :: union {
@@ -31,6 +32,7 @@ GfxRing :: struct {
 	outer_radius: f32,
 	color:        rl.Color,
 }
+
 GfxCircleLines :: struct {
 	pos:    rl.Vector2,
 	radius: f32,
@@ -38,16 +40,7 @@ GfxCircleLines :: struct {
 }
 
 GfxTexture :: struct {
-	// TODO: Implement texure rendering
+	// TODO: Implement texture rendering
-}
-
-FX :: struct {
-	parentId:  EntityID,
-	lifetime:  f32,
-	permanent: bool,
-	pos:       rl.Vector2,
-	gfx:       [MAX_GFX]Graphics,
-	marked:    bool,
 }
 
 gfx_draw :: proc(pos: rl.Vector2, g: Graphics) {
@@ -63,14 +56,41 @@ gfx_draw :: proc(pos: rl.Vector2, g: Graphics) {
 	}
 }
 
-fx_update :: proc(state: ^GameState3, fx: ^FX, dt: f32) {
+// ─── FX ───
+
+FX :: struct {
+	handle:    Handle,
+	parent:    Handle, // 0 = свободно плавает
+	pos:       rl.Vector2,
+	gfx:       [MAX_GFX]Graphics,
+	lifetime:  f32,
+	permanent: bool,
+	marked:    bool,
+}
+
+init_fx :: proc(state: ^GameState, fx: FX) -> Handle {
+	return hm.add(&state.fxs, fx)
+}
+
+fx_update :: proc(state: ^GameState, fx: ^FX, dt: f32) {
 	if fx.marked do return
-	if fx.parentId != 0 {
+
-		parent, ok := get_ent_by_id(state, fx.parentId)
+	// следуем за родителем, пока жив
-		if ok do fx.pos = parent.pos
+	if fx.parent != {} {
+		if e := get_entity(state, fx.parent); e != nil {
+			fx.pos = get_base(e).pos
+		} else {
+			fx.marked = true // родитель умер
+			return
+		}
 	}
+
 	if !fx.permanent {
-		if fx.lifetime > 0 {fx.lifetime -= dt} else {fx.marked = true}
+		if fx.lifetime > 0 {
+			fx.lifetime -= dt
+		} else {
+			fx.marked = true
+		}
 	}
 }
 
@@ -80,8 +100,9 @@ fx_draw :: proc(fx: ^FX) {
 	}
 }
 
-init_fx :: proc(state: ^GameState3, fx: FX) {
+sys_fx_update :: proc(state: ^GameState, dt: f32) {
-	append(&state.fxs, fx)
+	it := hm.iterator_make(&state.fxs)
+	for fx, _ in hm.iterate(&it) {
+		fx_update(state, fx, dt)
+	}
 }
-
-//TODO: Создание и удаление FX с лайфтаймами

src/item.odin

@@ -1,17 +1,24 @@
 package main
 
-GroundItem3 :: struct {
+// Пикап лута игроком — по коллизионным парам (как урон)
-	using ent: Entity2,
+sys_pickup :: proc(state: ^GameState) {
-	heal:      i32,
+	_, p := get_player(state)
-}
+	if p == nil do return
 
-sys_pickup :: proc(state: ^GameState3) {
+	for c in state.collisions {
-	for &item in &state.items {
+		other_h: Handle
-		if item.marked do continue
+		if c.a == state.player {
-		_, ok := check_col(cast(^Entity2)&item, cast(^Entity2)&state.player)
+			other_h = c.b
-		if ok {
+		} else if c.b == state.player {
-			state.player.hp = min(state.player.hp + item.heal, state.player.max_hp)
+			other_h = c.a
-			item.marked = true
+		} else do continue
-		}
+
+		e := get_entity(state, other_h)
+		if e == nil do continue
+		gi, ok := &e.v.(GroundItem)
+		if !ok || gi.marked do continue
+
+		p.hp = min(p.hp + gi.heal, p.max_hp)
+		gi.marked = true
 	}
 }

src/main.odin

@@ -1,7 +1,5 @@
 package main
 
-import hm "core:container/handle_map"
-import "core:fmt"
 import rl "vendor:raylib"
 
 main :: proc() {
@@ -9,100 +7,32 @@ main :: proc() {
 	rl.SetTargetFPS(TARGET_FPS)
 	defer rl.CloseWindow()
 
-	state := GameState {
+	state := GameState{
 		camera = {zoom = 1.5, offset = {SCREEN_W / 2, SCREEN_H / 2}},
 	}
+	state.collisions = make([dynamic]CollisionPair)
+	defer delete(state.collisions)
 
-	p := hm.add(
+	state.player = spawn(&state, make_player())
-		&state.entities,
+	spawn(&state, make_enemy({600, 500}))
-		Entity {
+	spawn(&state, make_enemy({200, 500}))
-			pos = {400, 300},
+	spawn(&state, make_enemy({600, 100}))
-			col_size = 16,
-			variant = Player {
-				actor = Actor {
-					hp = 100,
-					max_hp = 100,
-					speed = 220,
-					gfx = {0 = GfxCircle{pos = {0, 0}, radius = 14, color = {80, 220, 100, 255}}},
-				},
-				attack_range = 75,
-				attack_dmg = 35,
-				attack_cd = 0.3,
-				invuln_timer = 0,
-			},
-		},
-	)
-
-	state.player = p
-
-	//TODO: Коллизия
-
-	// state.collisions = make([dynamic]CollisionEntry)
-	// defer delete(state.collisions)
-
-	hm.add(
-		&state.entities,
-		Entity {
-			pos = {600, 500},
-			col_size = 16,
-			variant = Enemy {
-				actor = Actor {
-					hp = 40,
-					max_hp = 40,
-					speed = 55,
-					gfx = {0 = GfxCircle{pos = {0, 0}, radius = 11, color = {220, 70, 70, 255}}},
-				},
-			},
-		},
-	)
-
-	hm.add(
-		&state.entities,
-		Entity {
-			pos = {200, 500},
-			col_size = 16,
-			variant = Enemy {
-				actor = Actor {
-					hp = 40,
-					max_hp = 40,
-					speed = 55,
-					gfx = {0 = GfxCircle{pos = {0, 0}, radius = 11, color = {220, 70, 70, 255}}},
-				},
-			},
-		},
-	)
-
-	hm.add(
-		&state.entities,
-		Entity {
-			pos = {600, 500},
-			col_size = 16,
-			variant = Enemy {
-				actor = Actor {
-					hp = 40,
-					max_hp = 40,
-					speed = 55,
-					gfx = {0 = GfxCircle{pos = {0, 0}, radius = 11, color = {220, 70, 70, 255}}},
-				},
-			},
-		},
-	)
-
 
 	for !rl.WindowShouldClose() {
 		dt := rl.GetFrameTime()
 
-		sys_input(&state)
+		sys_update(&state, dt)       // вход игрока + ИИ врагов (диспатчер)
-		sys_enemy_ai(&state)
+		sys_move(&state, dt)         // движение всех
-		sys_move(&state, dt)
+		sys_collisions(&state)       // пары + резолв
-		sys_collisions(&state)
+		sys_damage(&state)           // дамаг игроку от врагов
-		sys_damage(&state)
+		sys_death(&state)            // враги умерли → лут
-		sys_death(&state)
+		sys_pickup(&state)           // игрок подбирает лут
-		sys_pickup(&state)
+		sys_fx_update(&state, dt)    // FX: таймеры + следование
-		sys_update(&state, dt)
+		sys_sweep(&state)            // удалить помеченное
-		sys_sweep(&state)
 
-		state.camera.target = state.player.pos
+		if pe := get_entity(&state, state.player); pe != nil {
+			state.camera.target = get_base(pe).pos
+		}
 		sys_render(&state)
 	}
 }

src/player.odin

@@ -1,48 +1,41 @@
 package main
 
+import hm "core:container/handle_map"
 import rl "vendor:raylib"
 
-Player2 :: struct {
+// Вход и атака игрока — вызывается из диспатчера sys_update
-	using actor:  Actor,
+player_update :: proc(state: ^GameState, p: ^Player, h: Handle, dt: f32) {
-	attack_range: f32,
+	// движение
-	attack_dmg:   i32,
-	attack_cd:    f32,
-	attack_timer: f32,
-	invuln_timer: f32,
-}
-
-sys_input :: proc(state: ^GameState3) {
-	p := &state.player
-
 	dir: rl.Vector2
-	if rl.IsKeyDown(.W) || rl.IsKeyDown(.UP) do dir.y -= 1
+	if rl.IsKeyDown(.W) || rl.IsKeyDown(.UP)    do dir.y -= 1
-	if rl.IsKeyDown(.S) || rl.IsKeyDown(.DOWN) do dir.y += 1
+	if rl.IsKeyDown(.S) || rl.IsKeyDown(.DOWN)  do dir.y += 1
-	if rl.IsKeyDown(.A) || rl.IsKeyDown(.LEFT) do dir.x -= 1
+	if rl.IsKeyDown(.A) || rl.IsKeyDown(.LEFT)  do dir.x -= 1
 	if rl.IsKeyDown(.D) || rl.IsKeyDown(.RIGHT) do dir.x += 1
-	set_vel(cast(^Entity2)p, dir, p.speed)
+	set_vel(&p.base, dir, p.speed)
 
-	if p.attack_timer > 0 do p.attack_timer -= rl.GetFrameTime()
+	// атака
+	if p.attack_timer > 0 do p.attack_timer -= dt
 	if rl.IsKeyPressed(.SPACE) && p.attack_timer <= 0 {
 		p.attack_timer = p.attack_cd
-		init_fx(
+
-			state,
+		// визуал атаки — кольцо
-			FX {
+		init_fx(state, FX{
-				parentId = p.id,
+			parent   = h,
-				lifetime = p.attack_cd,
+			gfx      = {
-				permanent = false,
+				0 = GfxRing{inner_radius = p.attack_range * 0.7, outer_radius = p.attack_range, color = {255, 255, 255, 40}},
-				gfx = {
+				1 = GfxCircleLines{radius = p.attack_range, color = {255, 255, 255, 80}},
-					0 = GfxRing {
-						inner_radius = p.attack_range * 0.7,
-						outer_radius = p.attack_range,
-						color = {255, 255, 255, 40},
-					},
-					1 = GfxCircleLines{radius = p.attack_range, color = {255, 255, 255, 80}},
-				},
 			},
-		)
+			lifetime = p.attack_cd,
-		for &enemy in &state.enemies {
+		})
-			if dist(Entity2(p), Entity2(enemy)) <= p.attack_range {
+
-				enemy.hp -= p.attack_dmg
+		// дамаг врагам в радиусе
+		it := hm.iterator_make(&state.entities)
+		for e, _ in hm.iterate(&it) {
+			#partial switch &v in e.v {
+			case Enemy:
+				if rl.Vector2Distance(p.pos, v.pos) <= p.attack_range {
+					v.hp -= p.attack_dmg
+				}
 			}
 		}
 	}

src/scene.odin

@@ -7,47 +7,34 @@ SCREEN_W :: 1280
 SCREEN_H :: 720
 TARGET_FPS :: 60
 SQRT2_INV :: 0.7071067811865476
-
-// ─── Базовые типы ───
-
 MAX_GFX :: 2
-MAX_ENTITIES :: 1024
 
 Handle :: hm.Handle32
 
-// ─── Коллизии ───
+MAX_ENTITIES :: 1024
+MAX_FX :: 256
 
-// EntityKind :: enum {
+// ─── Общее — всё что есть у любой сущности ───
-// 	Player,
-// 	Enemy,
-// }
 
-// CollisionEntry :: struct {
+BaseEntity :: struct {
-// 	a_kind: EntityKind,
-// 	a_idx:  int,
-// 	b_kind: EntityKind,
-// 	b_idx:  int,
-// }
-
-// ─── Игровое состояние ───
-
-
-Entity :: struct {
-	handle:   Handle,
 	pos:      rl.Vector2,
+	vel:      rl.Vector2,
 	col_size: f32,
 	marked:   bool,
-	v:        EntityVariant,
+	gfx:      [MAX_GFX]Graphics,
 }
 
+// ─── Акторское — то что есть у живых ───
+
 Actor :: struct {
-	vel:    rl.Vector2,
+	using base: BaseEntity,
-	hp:     i32,
+	hp:         i32,
-	max_hp: i32,
+	max_hp:     i32,
-	speed:  f32,
+	speed:      f32,
-	gfx:    [MAX_GFX]Graphics,
 }
 
+// ─── Конкретные типы ───
+
 Player :: struct {
 	using actor:  Actor,
 	attack_range: f32,
@@ -57,156 +44,272 @@ Player :: struct {
 	invuln_timer: f32,
 }
 
+Enemy :: struct {
+	using actor: Actor,
+	touch_dmg:   i32,
+}
 
 GroundItem :: struct {
-	heal: i32,
+	using base: BaseEntity,
-	gfx:  [MAX_GFX]Graphics,
+	heal:       i32,
 }
 
-EntityVariant :: union {
+EntityVariant :: union { Player, Enemy, GroundItem }
-	Player,
+
-	Enemy,
+// ─── Контейнер для handle_map ───
-	GroundItem,
+
+Entity :: struct {
+	handle: Handle,
+	v:      EntityVariant,
 }
 
+// ─── Состояние игры ───
+
 GameState :: struct {
-	player:   Handle,
+	player:    Handle,
-	camera:   rl.Camera2D,
+	camera:    rl.Camera2D,
-	entities: hm.Static_Handle_Map(MAX_ENTITIES, Entity, Handle),
+	entities:  hm.Static_Handle_Map(MAX_ENTITIES, Entity, Handle),
-	// particles: hm.Static_Handle_Map(MAX_PARTICLE_FX, Fx2, Handle),
+	fxs:       hm.Static_Handle_Map(MAX_FX, FX, Handle),
+	collisions: [dynamic]CollisionPair,
 }
 
+// ─── Доступ ───
 
-// ─── Хелперы ───
+get_entity :: proc(state: ^GameState, h: Handle) -> ^Entity {
+	e, ok := hm.get(&state.entities, h)
+	return e if ok else nil
+}
 
-set_vel :: #force_inline proc(e: ^Entity, dir: rl.Vector2, speed: f32) {
+// Общее из любой сущности (BaseEntity первым полем во всех вариантах)
-	if rl.Vector2Length(dir) > 0 {
+get_base :: proc(e: ^Entity) -> ^BaseEntity {
-		e.v.vel = rl.Vector2Normalize(dir) * speed
+	#partial switch &v in e.v {
-	} else {
+	case Player:
-		e.v.vel = {}
+		return cast(^BaseEntity)&v
+	case Enemy:
+		return cast(^BaseEntity)&v
+	case GroundItem:
+		return cast(^BaseEntity)&v
+	}
+	return nil
+}
+
+// Акторское (есть только у живых)
+get_actor :: proc(e: ^Entity) -> ^Actor {
+	#partial switch &v in e.v {
+	case Player:
+		return &v.actor
+	case Enemy:
+		return &v.actor
+	}
+	return nil
+}
+
+get_player :: proc(state: ^GameState) -> (^Entity, ^Player) {
+	e := get_entity(state, state.player)
+	if e == nil do return nil, nil
+	p, ok := &e.v.(Player)
+	if !ok do return nil, nil
+	return e, p
+}
+
+// ─── Фабрики ───
+
+make_player :: proc() -> Entity {
+	return Entity{
+		v = Player{
+			actor = Actor{
+				base = BaseEntity{
+					pos = {400, 300}, col_size = 16,
+					gfx = {0 = GfxCircle{pos = {}, radius = 14, color = {80, 220, 100, 255}}},
+				},
+				hp = 100, max_hp = 100, speed = 220,
+			},
+			attack_range = 75,
+			attack_dmg = 35,
+			attack_cd = 0.3,
+		},
 	}
 }
 
-move_ent :: #force_inline proc(e: ^Entity, dt: f32) {
+make_enemy :: proc(pos: rl.Vector2) -> Entity {
-	e.v.pos += e.v.vel * dt
+	return Entity{
+		v = Enemy{
+			actor = Actor{
+				base = BaseEntity{
+					pos = pos, col_size = 16,
+					gfx = {0 = GfxCircle{pos = {}, radius = 11, color = {220, 70, 70, 255}}},
+				},
+				hp = 40, max_hp = 40, speed = 55,
+			},
+			touch_dmg = 10,
+		},
+	}
 }
 
-dist :: #force_inline proc(a, b: Entity) -> f32 {
+make_ground_item :: proc(pos: rl.Vector2) -> Entity {
-	return rl.Vector2Distance(a.v.pos, b.v.pos)
+	return Entity{
+		v = GroundItem{
+			base = BaseEntity{
+				pos = pos, col_size = 10,
+				gfx = {0 = GfxCircle{pos = {}, radius = 6, color = {255, 220, 50, 255}}},
+			},
+			heal = 25,
+		},
+	}
 }
 
-// entity_rect :: #force_inline proc(e: ^Entity2) -> rl.Rectangle {
+spawn :: proc(state: ^GameState, e: Entity) -> Handle {
-// 	return rl.Rectangle{e.pos.x - e.col_size / 2, e.pos.y - e.col_size / 2, e.col_size, e.col_size}
+	return hm.add(&state.entities, e)
-// }
+}
-//
-// check_col :: proc(a, b: ^Entity2) -> (overlap: rl.Rectangle, colliding: bool) {
-// 	c := rl.GetCollisionRec(entity_rect(a), entity_rect(b))
-// 	if c.width <= 0 || c.height <= 0 do return rl.Rectangle{}, false
-// 	return c, true
-// }
-//
-// resolve_aabb :: proc(a, b: ^Entity2) -> bool {
-// 	c, ok := check_col(a, b)
-// 	if !ok do return false
-//
-// 	if c.width < c.height {
-// 		sign: f32 = 1 if a.pos.x < b.pos.x else -1
-// 		a.pos.x -= sign * c.width * 0.5
-// 		b.pos.x += sign * c.width * 0.5
-// 	} else {
-// 		sign: f32 = 1 if a.pos.y < b.pos.y else -1
-// 		a.pos.y -= sign * c.height * 0.5
-// 		b.pos.y += sign * c.height * 0.5
-// 	}
-// 	return true
-// }
 
-// ─── Общие системы ───
+// ─── Хелперы ───
 
-sys_move :: proc(state: ^GameState, dt: f32) {
+set_vel :: proc(b: ^BaseEntity, dir: rl.Vector2, speed: f32) {
+	if rl.Vector2Length(dir) > 0 {
+		b.vel = rl.Vector2Normalize(dir) * speed
+	} else {
+		b.vel = {}
+	}
+}
+
+// ─── Коллизия ───
+
+entity_rect :: #force_inline proc(b: ^BaseEntity) -> rl.Rectangle {
+	return rl.Rectangle{b.pos.x - b.col_size / 2, b.pos.y - b.col_size / 2, b.col_size, b.col_size}
+}
+
+check_col :: proc(a, b: ^BaseEntity) -> (overlap: rl.Rectangle, colliding: bool) {
+	c := rl.GetCollisionRec(entity_rect(a), entity_rect(b))
+	if c.width <= 0 || c.height <= 0 do return rl.Rectangle{}, false
+	return c, true
+}
+
+resolve_aabb :: proc(a, b: ^BaseEntity) -> bool {
+	c, ok := check_col(a, b)
+	if !ok do return false
+
+	if c.width < c.height {
+		sign: f32 = 1 if a.pos.x < b.pos.x else -1
+		a.pos.x -= sign * c.width * 0.5
+		b.pos.x += sign * c.width * 0.5
+	} else {
+		sign: f32 = 1 if a.pos.y < b.pos.y else -1
+		a.pos.y -= sign * c.height * 0.5
+		b.pos.y += sign * c.height * 0.5
+	}
+	return true
+}
+
+// ─── Диспатчер: один свитч, типизированные функции ───
+
+sys_update :: proc(state: ^GameState, dt: f32) {
 	it := hm.iterator_make(&state.entities)
-	for e, _ in hm.iterate(&it) {
+	for e, h in hm.iterate(&it) {
 		#partial switch &v in e.v {
 		case Player:
-			e.pos += v.vel * dt
+			player_update(state, &v, h, dt)
 		case Enemy:
-			e.pos += v.vel * dt
+			enemy_update(state, &v, h, dt)
+		case GroundItem:
+			// пока статичный
 		}
 	}
 }
 
-// sys_collisions :: proc(state: ^GameState3) {
+// ─── Общее движение ───
-// 	clear(&state.collisions)
-//
-// 	p_ent := cast(^Entity2)&state.player
-//
-// 	for &enemy, i in &state.enemies {
-// 		if resolve_aabb(p_ent, cast(^Entity2)&enemy) {
-// 			append(
-// 				&state.collisions,
-// 				CollisionEntry{a_kind = .Player, a_idx = 0, b_kind = .Enemy, b_idx = i},
-// 			)
-// 		}
-// 	}
-//
-// 	for i in 0 ..< len(state.enemies) {
-// 		for j in i + 1 ..< len(state.enemies) {
-// 			resolve_aabb(cast(^Entity2)&state.enemies[i], cast(^Entity2)&state.enemies[j])
-// 		}
-// 	}
-// }
 
+sys_move :: proc(state: ^GameState, dt: f32) {
+	it := hm.iterator_make(&state.entities)
+	for e, _ in hm.iterate(&it) {
+		b := get_base(e)
+		b.pos += b.vel * dt
+	}
+}
+
+// ─── Коллизии ───
+
+CollisionPair :: struct {
+	a: Handle,
+	b: Handle,
+}
+
+sys_collisions :: proc(state: ^GameState) {
+	clear(&state.collisions)
+
+	// собрать все живые handle'ы
+	hs: [MAX_ENTITIES]Handle
+	n := 0
+	it := hm.iterator_make(&state.entities)
+	for _, h in hm.iterate(&it) {
+		hs[n] = h
+		n += 1
+	}
+
+	// O(n²): резолвим пересечения и собираем пары
+	for i in 0 ..< n {
+		for j in i + 1 ..< n {
+			a := get_entity(state, hs[i])
+			b := get_entity(state, hs[j])
+			if resolve_aabb(get_base(a), get_base(b)) {
+				append(&state.collisions, CollisionPair{a = hs[i], b = hs[j]})
+			}
+		}
+	}
+}
+
+// Дамаг игроку от врагов по коллизионным парам
 sys_damage :: proc(state: ^GameState) {
-	p := hm.get(&state.entities, state.player)
+	_, p := get_player(state)
+	if p == nil do return
 	if p.invuln_timer > 0 {
 		p.invuln_timer -= rl.GetFrameTime()
 		return
 	}
 
-	// for c in state.collisions {
+	for c in state.collisions {
-	// 	if c.a_kind == .Player && c.b_kind == .Enemy {
+		other_h: Handle
-	// 		state.player.hp -= state.enemies[c.b_idx].touch_dmg
+		if c.a == state.player {
-	// 		state.player.invuln_timer = 0.5
+			other_h = c.b
-	// 		if state.player.hp <= 0 {
+		} else if c.b == state.player {
-	// 			state.player.hp = 0
+			other_h = c.a
-	// 		}
+		} else do continue
-	// 	}
+
-	// }
+		e := get_entity(state, other_h)
+		if e == nil do continue
+		ev, ok := &e.v.(Enemy)
+		if !ok do continue
+
+		p.hp -= ev.touch_dmg
+		p.invuln_timer = 0.5
+		if p.hp <= 0 do p.hp = 0
+		break // один урон за кадр, дальше неуязвим
+	}
 }
 
-//TODO: УБрать вообще? мапа фиксит инвалидацию поинтеров
+// ─── Очистка помеченного ───
-sys_sweep :: proc(state: ^GameState) {
 
+sys_sweep :: proc(state: ^GameState) {
 	it := hm.iterator_make(&state.entities)
-	for e, i in hm.iterate(&it) {
+	for e, h in hm.iterate(&it) {
-		if e.marked do hm.remove(&state.entities, i)
+		if get_base(e).marked {
+			hm.remove(&state.entities, h)
+		}
 	}
 
-	// i = 0
+	it2 := hm.iterator_make(&state.fxs)
-	// for i < len(state.fxs) {
+	for fx, h in hm.iterate(&it2) {
-	// 	if state.fxs[i].marked {
+		if fx.marked {
-	// 		ordered_remove(&state.fxs, i)
+			hm.remove(&state.fxs, h)
-	// 	} else {
+		}
-	// 		i += 1
+	}
-	// 	}
-	// }
 }
 
-// entity_draw :: proc(e: ^Entity2) {
+// ─── Рендер ───
-// 	for g in e.gfx {
-// 		gfx_draw(e.pos, g)
-// 	}
-// }
-//
-sys_update :: proc(state: ^GameState, dt: f32) {
-	p := hm.get(&state.entities, state.player)
 
-	it := hm.iterator_make(&state.entities)
+entity_draw :: proc(e: ^Entity) {
-	for e, _ in hm.iterate(&it) {
+	b := get_base(e)
-		#partial switch &v in e.v {
+	for g in b.gfx {
-		case Enemy:
+		gfx_draw(b.pos, g)
-			enemy_update(state, p, e)
-		}
 	}
 }
 
@@ -217,33 +320,20 @@ sys_render :: proc(state: ^GameState) {
 	{
 		it := hm.iterator_make(&state.entities)
 		for e, _ in hm.iterate(&it) {
-			#partial switch &v in e.v {
+			entity_draw(e)
-			case Player:
+			if a := get_actor(e); a != nil {
-				for g in &v.gfx do gfx_draw(e.pos, g)
+				ui_draw_world_hp_bar(get_base(e), a)
-			case Enemy:
-				for g in &v.gfx do gfx_draw(e.pos, g)
 			}
 		}
 
-		// for &e in state.enemies {
+		it2 := hm.iterator_make(&state.fxs)
-		// 	entity_draw(&e)
+		for fx, _ in hm.iterate(&it2) {
-		// 	ui_draw_world_hp_bar(cast(^Actor)&e)
+			fx_draw(fx)
-		// }
+		}
-		//
-		// for &it in state.items {
-		// 	entity_draw(&it)
-		// }
-		//
-		// for &fx in state.fxs {
-		// 	fx_draw(&fx)
-		// }
-		//
-		// entity_draw(&state.player)
-		// ui_draw_world_hp_bar(cast(^Actor)&state.player)
 	}
 	rl.EndMode2D()
 
-	// ui_draw(state)
+	ui_draw(state)
 
 	rl.EndDrawing()
 }

src/ui.odin

@@ -1,24 +1,26 @@
 package main
 
+import hm "core:container/handle_map"
 import rl "vendor:raylib"
 
-
+ui_draw_world_hp_bar :: proc(b: ^BaseEntity, actor: ^Actor) {
-ui_draw_world_hp_bar :: proc(actor: ^Actor) {
 	hp_ratio := f32(actor.hp) / f32(actor.max_hp)
-	bar_w := actor.col_size * 3
+	bar_w := b.col_size * 3
-	bar_pos := actor.pos + rl.Vector2{-bar_w / 2, -actor.col_size - 10}
+	bar_pos := b.pos + rl.Vector2{-bar_w / 2, -b.col_size - 10}
 	rl.DrawRectangleV(bar_pos, {bar_w, 4}, {60, 60, 60, 255})
 	rl.DrawRectangleV(bar_pos, {bar_w * hp_ratio, 4}, {220, 40, 40, 255})
 }
 
-ui_draw :: proc(state: ^GameState3) {
+ui_draw :: proc(state: ^GameState) {
-	rl.DrawText(
+	_, p := get_player(state)
-		rl.TextFormat("HP: %d/%d", state.player.hp, state.player.max_hp),
+	hp: i32 = 0
-		12,
+	max_hp: i32 = 1
-		12,
+	if p != nil {
-		20,
+		hp = p.hp
-		rl.RAYWHITE,
+		max_hp = p.max_hp
-	)
+	}
-	rl.DrawText(rl.TextFormat("Enemies: %d", len(state.enemies)), 12, 36, 16, {180, 180, 180, 255})
+
+	rl.DrawText(rl.TextFormat("HP: %d/%d", hp, max_hp), 12, 12, 20, rl.RAYWHITE)
+	rl.DrawText(rl.TextFormat("Entities: %d", hm.len(state.entities)), 12, 36, 16, {180, 180, 180, 255})
 	rl.DrawText("[SPACE] attack  [WASD] move", 12, SCREEN_H - 28, 14, {120, 120, 120, 255})
 }