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Consolidate shared game offsets and accessor functions

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Extract duplicated WoW 1.12.1 addresses and game accessor functions
into shared modules (src/offsets.zig, src/wow.zig), replacing 5+
copies of getObjectByGUID, isInBattleground, isValidPtr, etc.

- src/offsets.zig: shared address constants (object manager, descriptor
  fields, map/zone, core function addresses, D3D9/GX)
- src/wow.zig: shared accessor functions (pointer validation, object
  manager traversal, field reads, unit helpers, battleground detection,
  game function wrappers, raid target cache)
- Update 10 modules to import from shared instead of inline constants
- Remove outline/wow.zig (promoted to src/wow.zig)
- Trim outline/offsets.zig and markers/offsets.zig to module-specific only
This commit is contained in:
MarcelineVQ
2026-03-10 13:53:29 -07:00
parent 1a9f0c237e
commit 3e37b96788
14 changed files with 370 additions and 495 deletions
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src/clickthrough/clickthrough.zig
+13 -64
View File
@@ -12,23 +12,16 @@ const std = @import("std");
const hook = @import("zhook");
const logging = @import("../logging.zig");
const mod_mutex = @import("../mutex.zig");
const offsets = @import("../offsets.zig");
const wow = @import("../wow.zig");
pub const module_name: [*:0]const u8 = "clickthrough";
// =============================================================================
// WoW addresses
// WoW addresses (module-specific)
// =============================================================================
const ADDR_WorldIntersectionTest: usize = 0x480DF0;
const ADDR_GetObjectByGUID: usize = 0x464870;
// Map identification (Map.dbc lookup)
const OBJECT_MANAGER_PTR: usize = 0x00B41414;
const OBJMGR_MAP_ID_OFFSET: usize = 0xCC;
const MAP_DBC_DATA: usize = 0x00C0DAA8;
const MAP_DBC_MAX: usize = 0x00C0DAAC;
const MAP_DBC_MAP_TYPE_OFFSET: usize = 0x08;
const MAP_TYPE_BATTLEGROUND: u32 = 3;
// =============================================================================
// HitTestResult layout
@@ -39,11 +32,8 @@ const HIT_GUID_HI: usize = 0x04;
const HIT_RESULT_SIZE: usize = 0x34;
// Object struct offsets
const OBJ_DESCRIPTOR: usize = 0x08;
const OBJ_TYPE_MASK_OFFSET: usize = 0x08; // at *(*(obj+8)+8)
// Object type + descriptor field offsets
// Type masks
const TYPE_UNIT: u32 = 0x09;
const TYPE_PLAYER: u32 = 0x19;
@@ -51,60 +41,20 @@ const TYPE_PLAYER: u32 = 0x19;
// Raycast flags
const FLAG_GO: u32 = 0x04;
// =============================================================================
// Object filtering
// =============================================================================
const OBJ_TYPE: usize = 0x14;
const OBJ_TYPE_UNIT: u32 = 3;
const OBJ_TYPE_GO: u32 = 5;
const DESC_NPC_FLAGS: usize = 0x93 * 4; // UNIT_NPC_FLAGS = OBJECT_END(0x06) + 0x8D = 0x93
const DESC_ENTRY: usize = 0x03 * 4; // OBJECT_FIELD_ENTRY
const ADDR_CallSpellCastHandler: usize = 0x5F8800;
// =============================================================================
// Battleground detection
// =============================================================================
/// Check if the current map is a battleground by reading Map.dbc mapType.
fn isInBattleground() bool {
const obj_mgr = hook.readMem(u32, OBJECT_MANAGER_PTR);
if (obj_mgr == 0) return false;
const map_id = hook.readMem(u32, obj_mgr + OBJMGR_MAP_ID_OFFSET);
const dbc_max = hook.readMem(u32, MAP_DBC_MAX);
if (map_id > dbc_max) return false;
const table_base = hook.readMem(u32, MAP_DBC_DATA);
if (table_base == 0) return false;
const row = hook.readMem(u32, table_base + map_id * 4);
if (row == 0) return false;
const map_type = hook.readMem(u32, row + MAP_DBC_MAP_TYPE_OFFSET);
return map_type == MAP_TYPE_BATTLEGROUND;
}
fn getObjectByGUID(guid_lo: u32, guid_hi: u32) u32 {
if (guid_lo == 0 and guid_hi == 0) return 0;
return hook.call(fn (u32, u32) callconv(hook.cc.stdcall) u32, ADDR_GetObjectByGUID, .{ guid_lo, guid_hi });
}
/// Check if the GUID refers to an interactable GO.
fn isInteractableGO(guid_lo: u32, guid_hi: u32) bool {
const obj = getObjectByGUID(guid_lo, guid_hi);
const obj = wow.getObjectByGUIDSplit(guid_lo, guid_hi);
if (obj == 0) return false;
const obj_type = hook.readMem(u32, obj + OBJ_TYPE);
if (obj_type != OBJ_TYPE_GO) return false;
// CallSpellCastHandler: __fastcall(obj_ECX) -> bool
return hook.call(fn (u32) callconv(hook.cc.fastcall) u8, ADDR_CallSpellCastHandler, .{obj}) != 0;
if (wow.getObjectTypeRaw(obj) != @intFromEnum(wow.ObjectType.game_object)) return false;
return hook.call(fn (u32) callconv(hook.cc.fastcall) u8, offsets.FN_CALL_SPELL_CAST_HANDLER, .{obj}) != 0;
}
/// Check if the GUID refers to an NPC with interaction flags (vendor, quest giver, etc.)
fn isInteractableNPC(guid_lo: u32, guid_hi: u32) bool {
const obj = getObjectByGUID(guid_lo, guid_hi);
const obj = wow.getObjectByGUIDSplit(guid_lo, guid_hi);
if (obj == 0) return false;
const obj_type = hook.readMem(u32, obj + OBJ_TYPE);
if (obj_type != OBJ_TYPE_UNIT) return false;
const desc = hook.readMem(u32, obj + OBJ_DESCRIPTOR);
if (desc < 0x10000 or desc >= 0x7F000000) return false;
return hook.readMem(u32, desc + DESC_NPC_FLAGS) != 0;
if (wow.getObjectTypeRaw(obj) != @intFromEnum(wow.ObjectType.unit)) return false;
return wow.getNpcFlags(obj) != 0;
}
/// Check if the second raycast result is something we should click through to.
@@ -140,7 +90,7 @@ fn worldIntersectDetour(world_frame: u32, ray_start: u32, ray_end: u32, flags: u
const hit_type = wit_hook.callOriginal(.{ world_frame, ray_start, ray_end, flags, hit_result });
// No click-through in battlegrounds
if (!g_is_hook_owner or hit_result == 0 or hit_type != 2 or isInBattleground()) return hit_type;
if (!g_is_hook_owner or hit_result == 0 or hit_type != 2 or wow.isInBattleground()) return hit_type;
// hitType 2 = object hit. Check if it's a unit/player.
const buf_lo = hook.readMem(u32, hit_result + HIT_GUID_LO);
@@ -148,11 +98,11 @@ fn worldIntersectDetour(world_frame: u32, ray_start: u32, ray_end: u32, flags: u
if (buf_lo == 0 and buf_hi == 0) return hit_type;
const obj = getObjectByGUID(buf_lo, buf_hi);
const obj = wow.getObjectByGUIDSplit(buf_lo, buf_hi);
if (obj == 0) return hit_type;
const desc_ptr = hook.readMem(u32, obj + OBJ_DESCRIPTOR);
if (desc_ptr < 0x10000 or desc_ptr >= 0x7F000000) return hit_type;
const desc_ptr = wow.getDescriptor(obj);
if (!wow.isValidPtr(desc_ptr)) return hit_type;
const type_mask = hook.readMem(u32, desc_ptr + OBJ_TYPE_MASK_OFFSET);
@@ -192,7 +142,6 @@ pub fn isActive() bool {
}
pub fn installHooks() void {
const result = mod_mutex.acquire(module_name);
g_mutex = result.handle;
g_is_hook_owner = result.is_owner;