From e8e7fd9dd9a5a02ac2342560a46c92391fe49626 Mon Sep 17 00:00:00 2001
From: xeon <xeon@xeondev.com>
Date: Sun, 8 Feb 2026 18:42:48 +0300
Subject: [PATCH] feat(scene): implement enemy spawn

---
 .../Assets/configs/WorldEntityRegistry.zig    | 23 ++++++
 gamesv/src/logic/event/kinds.zig              |  2 +
 gamesv/src/logic/messaging/scene.zig          |  2 +
 gamesv/src/logic/systems/scene.zig            | 77 +++++++++++++++++++
 4 files changed, 104 insertions(+)

diff --git a/gamesv/src/Assets/configs/WorldEntityRegistry.zig b/gamesv/src/Assets/configs/WorldEntityRegistry.zig
index d23c539..2c955ae 100644
--- a/gamesv/src/Assets/configs/WorldEntityRegistry.zig
+++ b/gamesv/src/Assets/configs/WorldEntityRegistry.zig
@@ -9,4 +9,27 @@ pub const WorldEntityBriefInfo = struct {
     detailId: ?[]const u8,
     position: logic.Level.Object.Vector,
     rotation: logic.Level.Object.Vector,
+
+    pub fn objectType(info: WorldEntityBriefInfo) ObjectType {
+        return std.enums.fromInt(ObjectType, info.entityType) orelse .invalid;
+    }
+};
+
+pub const ObjectType = enum(u32) {
+    all = 4294967295,
+    invalid = 1,
+    character = 8,
+    enemy = 16,
+    interactive = 32,
+    projectile = 64,
+    factory_region = 128,
+    npc = 256,
+    ability_entity = 512,
+    cinematic_entity = 1024,
+    remote_factory_entity = 2048,
+    creature = 4096,
+    god_entity = 8192,
+    enemy_part = 16384,
+    social_building = 32768,
+    enemy_all = 16400,
 };
diff --git a/gamesv/src/logic/event/kinds.zig b/gamesv/src/logic/event/kinds.zig
index ae3944d..e2af41e 100644
--- a/gamesv/src/logic/event/kinds.zig
+++ b/gamesv/src/logic/event/kinds.zig
@@ -18,3 +18,5 @@ pub const SyncSelfScene = struct {
         team_modified,
     },
 };
+
+pub const RefreshVisibleObjects = struct {};
diff --git a/gamesv/src/logic/messaging/scene.zig b/gamesv/src/logic/messaging/scene.zig
index e2e3859..b9cdb78 100644
--- a/gamesv/src/logic/messaging/scene.zig
+++ b/gamesv/src/logic/messaging/scene.zig
@@ -9,8 +9,10 @@ const Player = logic.Player;
 pub fn onSceneLoadFinish(
     _: messaging.Request(pb.CS_SCENE_LOAD_FINISH),
     sync_self_scene_tx: logic.event.Sender(.sync_self_scene),
+    refresh_visible_objects_tx: logic.event.Sender(.refresh_visible_objects),
 ) !void {
     try sync_self_scene_tx.send(.{ .reason = .entrance });
+    try refresh_visible_objects_tx.send(.{});
 }
 
 pub fn onMoveObjectMove(
diff --git a/gamesv/src/logic/systems/scene.zig b/gamesv/src/logic/systems/scene.zig
index c83bdda..07f816c 100644
--- a/gamesv/src/logic/systems/scene.zig
+++ b/gamesv/src/logic/systems/scene.zig
@@ -202,6 +202,83 @@ pub fn syncSelfScene(
     try session.send(self_scene_info);
 }
 
+pub fn refreshVisibleObjects(
+    rx: logic.event.Receiver(.refresh_visible_objects),
+    session: *Session,
+    arena: logic.Resource.Allocator(.arena),
+    scene: Player.Component(.scene),
+    assets: *const Assets,
+) !void {
+    const objects_per_message: usize = 128; // TODO(Session): message fragmentation.
+
+    _ = rx;
+
+    const level_id = scene.data.current.level_id;
+    var container: pb.SCENE_OBJECT_DETAIL_CONTAINER = .init;
+
+    const brief_map = &assets.world_entity_registry.worldEntityBriefInfos;
+    for (brief_map.map.keys(), brief_map.map.values()) |id, info| {
+        if (@divFloor(id, 100_000_000) != level_id)
+            continue;
+
+        if (info.objectType() != .enemy) continue;
+        const template_id = info.detailId orelse continue;
+
+        const enemy_attrs = assets.table(.enemy_attribute_template).getPtr(template_id) orelse continue;
+        const common_info: pb.SCENE_OBJECT_COMMON_INFO = .{
+            .id = id,
+            .type = 3,
+            .templateid = template_id,
+            .position = .{ .X = info.position.x, .Y = info.position.y, .Z = info.position.z },
+            .rotation = .{ .X = info.rotation.x, .Y = info.rotation.y, .Z = info.rotation.z },
+            .scene_num_id = level_id,
+            .hp = 100,
+        };
+
+        var monster: pb.SCENE_MONSTER = .{
+            .common_info = common_info,
+            .level = 1,
+            .battle_info = .{
+                .msg_generation = @truncate(id),
+                .battle_inst_id = @truncate(id),
+                .part_inst_info = .init,
+            },
+        };
+
+        for (enemy_attrs.levelDependentAttributes[0].attrs) |attr| {
+            try monster.attrs.append(arena.interface, .{
+                .attr_type = @intFromEnum(attr.attrType),
+                .basic_value = attr.attrValue,
+                .value = attr.attrValue,
+            });
+        }
+
+        for (enemy_attrs.levelIndependentAttributes.attrs) |attr| {
+            try monster.attrs.append(arena.interface, .{
+                .attr_type = @intFromEnum(attr.attrType),
+                .basic_value = attr.attrValue,
+                .value = attr.attrValue,
+            });
+        }
+
+        try container.monster_list.append(arena.interface, monster);
+
+        if (container.monster_list.items.len == objects_per_message) {
+            try session.send(pb.SC_OBJECT_ENTER_VIEW{
+                .detail = container,
+            });
+
+            container = .init;
+        }
+    }
+
+    if (container.monster_list.items.len != 0) {
+        try session.send(pb.SC_OBJECT_ENTER_VIEW{
+            .detail = container,
+        });
+    }
+}
+
 fn packCharacterSkills(
     arena: Allocator,
     assets: *const Assets,