V40: add isolated attached-model test build

.github/workflows/commit-v36-soft.yml

@@ -1,77 +0,0 @@
-name: Commit V36 Retail Soft decode
-
-on:
-  push:
-    branches:
-      - test/v36-retail-jfa-soft
-
-permissions:
-  contents: write
-
-jobs:
-  commit-v36-soft:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: test/v36-retail-jfa-soft
-
-      - name: Apply V36 decode
-        shell: bash
-        run: |
-          set -euo pipefail
-          python3 <<'PY'
-          from pathlib import Path
-          p = Path('src/outline/d3d9_hook.zig')
-          s = p.read_text()
-          if 'V36 RETAIL-SOFT' in s:
-              raise SystemExit(0)
-          start = s.index('/// V32 POLISH: hard 3px outline, no feather.')
-          end = s.index('/// Debug: composite silhouette RT directly.')
-          lines = [
-              '/// V36 RETAIL-SOFT: keep the proven V34 JFA, soften only final decode.',
-              '/// c0 = (screen_width, screen_height, core_radius_px, halo_radius_px).',
-              '/// Uses the same two texture reads as V34: no 17-tap full-screen morphology.',
-              'const jfa_decode_src =',
-              '    "ps_3_0\\n" ++',
-              '    "def c1, 0.0, 0.22, 0.82, -0.002\\n" ++',
-              '    "def c2, 1.0, 0.95, 0.58, 0.0\\n" ++',
-              '    "dcl_2d s0\\n" ++',
-              '    "dcl_2d s1\\n" ++',
-              '    "dcl_texcoord0 v0\\n" ++',
-              '    "texld r0, v0, s0\\n" ++',
-              '    "sub r1.xy, v0.xy, r0.xy\\n" ++',
-              '    "mul r1.xy, r1.xy, c0.xy\\n" ++',
-              '    "dp2add r1.z, r1, r1, c1.x\\n" ++',
-              '    "mul r3.x, c0.z, c0.z\\n" ++',
-              '    "mul r3.y, c0.w, c0.w\\n" ++',
-              '    "sub r4.x, r1.z, r3.y\\n" ++',
-              '    "cmp r6.w, r4.x, c1.x, c1.y\\n" ++',
-              '    "sub r4.x, r1.z, r3.x\\n" ++',
-              '    "cmp r6.w, r4.x, r6.w, c1.z\\n" ++',
-              '    "texld r5, v0, s1\\n" ++',
-              '    "add r5.x, r5.a, c1.w\\n" ++',
-              '    "cmp r6.w, r5.x, c1.x, r6.w\\n" ++',
-              '    "mov r6.xyz, c2.xyz\\n" ++',
-              '    "mov oC0, r6\\n";',
-              '',
-              '',
-          ]
-          s = s[:start] + '\n'.join(lines) + s[end:]
-          old = '        // V34: hard 3px edge unchanged; JFA seed precision is now full-float.\n        c0 = [4]f32{ fw, fh, 3.0, 0.0 };'
-          new_cpu = '        // V36: thin 1.5px core plus a subtle 3px halo.\n        c0 = [4]f32{ fw, fh, 1.5, 3.0 };'
-          if old not in s:
-              raise SystemExit('V34 CPU decode constants not found')
-          p.write_text(s.replace(old, new_cpu))
-          PY
-
-      - name: Commit source
-        shell: bash
-        run: |
-          set -euo pipefail
-          if git diff --quiet; then exit 0; fi
-          git config user.name "github-actions[bot]"
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git add src/outline/d3d9_hook.zig
-          git commit -m "V36: soft Retail-style JFA decode"
-          git push origin HEAD:test/v36-retail-jfa-soft

.github/workflows/test-v36-exitfix-baseline.yml

@@ -1,55 +0,0 @@
-name: V36 ExitFix Baseline
-
-on:
-  push:
-    branches:
-      - test/v36-exitfix-baseline
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V36 runtime + process-exit safety only.' \
-            'Base runtime commit: 4bbee94388f98843b738e275fd9482576be80654.' \
-            'Compared with V34, only src/outline/d3d9_hook.zig changes runtime behavior.' \
-            'main branch is untouched.' \
-            'WeirdPerformance is disabled in this standalone build and not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V36_EXITFIX_BASELINE.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V36-EXITFIX-BASELINE
-          path: dist/WeirdUtils_V36_EXITFIX_BASELINE.zip
-          if-no-files-found: error

.github/workflows/test-v37a-dip-passthrough.yml

@@ -1,55 +0,0 @@
-name: V37A DIP Passthrough
-
-on:
-  push:
-    branches:
-      - test/v37a-dip-passthrough
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V37A DIP passthrough isolation test.' \
-            'EndScene and DrawIndexedPrimitive vtable hooks are installed.' \
-            'DIP detour performs no Outline capture/state/resource work and immediately calls original DIP.' \
-            'Reset remains untouched.' \
-            'Visible outline is intentionally absent in this diagnostic build.' \
-            'main branch untouched; WeirdPerformance not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_DIP_PASSTHROUGH.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V37A-DIP-PASSTHROUGH
-          path: dist/WeirdUtils_V37A_DIP_PASSTHROUGH.zip
-          if-no-files-found: error

.github/workflows/test-v37a-endscene-only.yml

@@ -1,55 +0,0 @@
-name: V37A EndScene Only
-
-on:
-  push:
-    branches:
-      - test/v37a-endscene-only
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V37A EndScene-only isolation test.' \
-            'Base: V37A no-Reset-hook + ExitFix.' \
-            'Only IDirect3DDevice9::EndScene is hooked.' \
-            'DrawIndexedPrimitive and Reset are untouched.' \
-            'Visible outline is intentionally absent in this diagnostic build.' \
-            'main branch untouched; WeirdPerformance not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_ENDSCENE_ONLY.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V37A-ENDSCENE-ONLY
-          path: dist/WeirdUtils_V37A_ENDSCENE_ONLY.zip
-          if-no-files-found: error

.github/workflows/test-v37a-no-autorehook.yml

@@ -1,54 +0,0 @@
-name: V37A No AutoRehook
-
-on:
-  push:
-    branches:
-      - test/v37a-no-autorehook
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V37A no-auto-rehook isolation test.' \
-            'Base: V37A radii-only + ExitFix.' \
-            'Only runtime change: automatic lateRehookIfLost() call removed from RenderDraw.' \
-            'Initial deferred D3D9 hook installation remains unchanged.' \
-            'main branch untouched; WeirdPerformance not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_NO_AUTOREHOOK.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V37A-NO-AUTOREHOOK
-          path: dist/WeirdUtils_V37A_NO_AUTOREHOOK.zip
-          if-no-files-found: error

.github/workflows/test-v37a-no-reset-hook.yml

@@ -1,55 +0,0 @@
-name: V37A No Reset Hook
-
-on:
-  push:
-    branches:
-      - test/v37a-no-reset-hook
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V37A no-Reset-hook isolation test.' \
-            'Base: V37A no-auto-rehook + ExitFix.' \
-            'EndScene and DrawIndexedPrimitive hooks remain active.' \
-            'Reset hook is NOT installed.' \
-            'Visible outline rendering should still work.' \
-            'main branch untouched; WeirdPerformance not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_NO_RESET_HOOK.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V37A-NO-RESET-HOOK
-          path: dist/WeirdUtils_V37A_NO_RESET_HOOK.zip
-          if-no-files-found: error

.github/workflows/test-v37a-radii-only.yml

@@ -1,51 +0,0 @@
-name: V37A Radii Only
-
-on:
-  push:
-    branches:
-      - test/v37a-radii-only
-  workflow_dispatch:
-
-permissions:
-  contents: read
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: '0.16.0'
-      - name: Build
-        shell: bash
-        run: |
-          set -euo pipefail
-          zig build all-variants -Doptimize=ReleaseSmall \
-            -Dweirdperformance=false \
-            -Doutline=true \
-            -Dcustomassets=true \
-            -Dtransmogfix=true
-      - name: Package
-        shell: bash
-        run: |
-          set -euo pipefail
-          rm -rf package dist
-          mkdir -p package/DLL package/Interface/AddOns/WeirdUtils_Outline dist
-          cp zig-out/variants/outline.dll package/DLL/outline.dll
-          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/
-          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/
-          printf '%s\n' \
-            'V37A isolation test.' \
-            'Base: V36 + ExitFix (stable in user test).' \
-            'Only runtime change: radii 1.5/3.0 -> 1.35/3.20.' \
-            'V36 decode shader remains unchanged.' \
-            'main branch untouched; WeirdPerformance not modified.' \
-            > package/README_TEST.txt
-          (cd package && sha256sum DLL/outline.dll > SHA256SUMS.txt && zip -r ../dist/WeirdUtils_V37A_RADII_ONLY.zip DLL Interface README_TEST.txt SHA256SUMS.txt)
-      - uses: actions/upload-artifact@v4
-        with:
-          name: WeirdUtils-V37A-RADII-ONLY
-          path: dist/WeirdUtils_V37A_RADII_ONLY.zip
-          if-no-files-found: error

.github/workflows/test-v40-attached-model-outline.yml

@@ -0,0 +1,73 @@
+name: V40 Attached Model Outline Test
+
+on:
+  push:
+    branches:
+      - test/v40-attached-model-outline
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build-v40:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout V40 branch
+        uses: actions/checkout@v4
+
+      - name: Install Zig
+        uses: mlugg/setup-zig@v2
+        with:
+          version: '0.16.0'
+
+      - name: Build standalone variants
+        shell: bash
+        run: |
+          set -euo pipefail
+          zig build all-variants -Doptimize=ReleaseSmall \
+            -Dweirdperformance=false \
+            -Doutline=true \
+            -Dcustomassets=true \
+            -Dtransmogfix=true
+
+      - name: Assemble V40 outline-only test package
+        shell: bash
+        run: |
+          set -euo pipefail
+          rm -rf package dist
+          mkdir -p package/DLL
+          mkdir -p package/Interface/AddOns/WeirdUtils_Outline
+          mkdir -p dist
+
+          cp zig-out/variants/outline.dll package/DLL/outline.dll
+          cp src/outline/addon/Bindings.xml package/Interface/AddOns/WeirdUtils_Outline/Bindings.xml
+          cp src/outline/addon/Outline.lua package/Interface/AddOns/WeirdUtils_Outline/Outline.lua
+          cp src/outline/addon/WeirdUtils_Outline.toc package/Interface/AddOns/WeirdUtils_Outline/WeirdUtils_Outline.toc
+
+          printf '%s\n' \
+            'WeirdUtils V40 Attached Model Outline' \
+            'Base: exact V38 Retail Polish + AutoTarget + AutoRehook + ExitFix.' \
+            'main is untouched.' \
+            'WeirdPerformance is disabled in this standalone build and not modified.' \
+            'Engine-proven WoW 1.12.1 attachment layout from 0x712F70:' \
+            '- child +0x1CC = parent/root CM2Model' \
+            '- child +0x1D0 = attachment id' \
+            '- root +0x1DC = child-list head' \
+            '- child +0x1E4 = next sibling' \
+            'V40 makes direct attached M2 models inherit the root target outline.' \
+            'No new hook, no linked-list traversal, no game-memory writes.' \
+            > package/README_TEST.txt
+
+          (
+            cd package
+            sha256sum DLL/outline.dll > SHA256SUMS.txt
+            zip -r ../dist/WeirdUtils_V40_ATTACHED_MODEL_OUTLINE.zip DLL Interface README_TEST.txt SHA256SUMS.txt
+          )
+
+      - name: Upload V40 package
+        uses: actions/upload-artifact@v4
+        with:
+          name: WeirdUtils-V40-ATTACHED-MODEL-OUTLINE
+          path: dist/WeirdUtils_V40_ATTACHED_MODEL_OUTLINE.zip
+          if-no-files-found: error

src/main.zig

@@ -1053,7 +1053,10 @@ pub export fn DllMain(
     switch (reason) {
         1 => install(),
         0 => {
-            // Process-exit safety only; runtime Outline behavior is unchanged.
+            // ExitFix: when lpReserved is non-null, Windows is terminating the
+            // whole process. Do not call into D3D9/COM or other DLLs from
+            // DLL_PROCESS_DETACH during global teardown; the OS will reclaim
+            // those resources. Keep full uninstall for explicit FreeLibrary.
             if (reserved == null) uninstall();
         },
         else => {},

src/outline/addon/Outline.lua

@@ -1,7 +1,7 @@
 -- Outline addon (embedded in DLL, loaded from memory)
 -- Part of WeirdUtils - only loaded when outline module is compiled
 
-OUTLINE_VERSION = 1
+OUTLINE_VERSION = 40
 
 BINDING_HEADER_OUTLINE = "Outline"
 

src/outline/d3d9_hook.zig

@@ -57,6 +57,14 @@ var orig_reset: usize = 0;
 var d3d9_vtable: ?[*]usize = null;
 var hooks_installed: bool = false;
 
+/// ExitFix: once shutdown begins, no code path may reinstall D3D9 hooks.
+var shutdown_started: bool = false;
+
+pub fn beginShutdown() void {
+    shutdown_started = true;
+}
+
+
 // Sticky diagnostics for the in-game OutlineDebug() command.
 pub var debug_endscene_seen: bool = false;
 pub var debug_dip_seen: bool = false;
@@ -114,6 +122,7 @@ pub var debug_late_rehook_succeeded: bool = false;
 /// If the current entries are no longer ours, chain whatever is there now as
 /// the new originals, then patch the three entries again.
 pub fn lateRehookIfLost() bool {
+    if (shutdown_started) return false;
     debug_late_rehook_attempted = true;
 
     const cur = getD3D9VTable() orelse return false;
@@ -732,26 +741,40 @@ const jfa_prop_src =
     "mov oC0.xy, r8.xy\n" ++
     "mov oC0.zw, c1.xx\n";
 
-/// V36 RETAIL-SOFT: keep the proven V34 JFA, soften only final decode.
+/// V38 RETAIL-POLISH: keep the proven V34/V36/V37 JFA and refine only
+/// the final alpha profile. Still only two texture reads.
 /// c0 = (screen_width, screen_height, core_radius_px, halo_radius_px).
-/// Uses the same two texture reads as V34: no 17-tap full-screen morphology.
 const jfa_decode_src =
     "ps_3_0\n" ++
-    "def c1, 0.0, 0.22, 0.82, -0.002\n" ++
-    "def c2, 1.0, 0.95, 0.58, 0.0\n" ++
+    // c1 = zero, one, halo alpha, -interior threshold
+    "def c1, 0.0, 1.0, 0.17, -0.002\n" ++
+    // pale Retail-like yellow-green
+    "def c2, 1.0, 0.96, 0.62, 0.0\n" ++
+    // core alpha
+    "def c3, 0.84, 0.0, 0.0, 0.0\n" ++
     "dcl_2d s0\n" ++
     "dcl_2d s1\n" ++
     "dcl_texcoord0 v0\n" ++
+    // Nearest JFA seed and pixel-space squared distance.
     "texld r0, v0, s0\n" ++
     "sub r1.xy, v0.xy, r0.xy\n" ++
     "mul r1.xy, r1.xy, c0.xy\n" ++
     "dp2add r1.z, r1, r1, c1.x\n" ++
+    // Squared core and halo radii.
     "mul r3.x, c0.z, c0.z\n" ++
     "mul r3.y, c0.w, c0.w\n" ++
-    "sub r4.x, r1.z, r3.y\n" ++
-    "cmp r6.w, r4.x, c1.x, c1.y\n" ++
-    "sub r4.x, r1.z, r3.x\n" ++
-    "cmp r6.w, r4.x, r6.w, c1.z\n" ++
+    // Smooth halo factor = saturate((halo² - dist²) / (halo² - core²)).
+    "sub r3.z, r3.y, r3.x\n" ++
+    "rcp r3.z, r3.z\n" ++
+    "sub r4.x, r3.y, r1.z\n" ++
+    "mul r4.x, r4.x, r3.z\n" ++
+    "max r4.x, r4.x, c1.x\n" ++
+    "min r4.x, r4.x, c1.y\n" ++
+    "mul r6.w, r4.x, c1.z\n" ++
+    // Solid-but-soft core inside the inner radius.
+    "sub r4.y, r1.z, r3.x\n" ++
+    "cmp r6.w, r4.y, r6.w, c3.x\n" ++
+    // Never paint over the original model interior.
     "texld r5, v0, s1\n" ++
     "add r5.x, r5.a, c1.w\n" ++
     "cmp r6.w, r5.x, c1.x, r6.w\n" ++
@@ -996,10 +1019,79 @@ fn hkDIP(
 ) callconv(hook.cc.stdcall) i32 {
     debug_dip_seen = true;
 
-    // Isolation test: keep the DIP vtable detour installed, but do no
-    // Outline state capture/resource work here. Call the original directly.
     const OrigDIP = *const fn (*anyopaque, u32, i32, u32, u32, u32, u32) callconv(hook.cc.stdcall) i32;
     const origFn: OrigDIP = @ptrFromInt(orig_dip);
+
+    // ---- Cache outline draws for EndScene replay ----
+    if (model_hook.rendering_outline) {
+        debug_outline_dip_seen = true;
+        const model_ptr = model_hook.current_model;
+        const color = tracker.getModelColor(model_ptr) orelse
+            return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
+        const category = tracker.getModelCategory(model_ptr);
+
+        // Ensure resources will be available for replay in EndScene
+        if (!shaders_attempted) ensureShaders(device);
+        ensureResources(device);
+        if (outline_ps == null or rt_silhouette_surf == null)
+            return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
+
+        // Cache if room available
+        if (cached_draw_count < MAX_CACHED_DRAWS) {
+            const idx = cached_draw_count;
+            var draw = &cached_draws[idx];
+
+            // Draw parameters
+            draw.prim_type = prim_type;
+            draw.base_vtx = base_vtx;
+            draw.min_vtx = min_vtx;
+            draw.num_verts = num_verts;
+            draw.start_idx = start_idx;
+            draw.prim_count = prim_count;
+
+            // Outline info
+            draw.color = color;
+            draw.category = category;
+
+            // Capture current GPU state (AddRef COM objects to keep them alive)
+            deviceGetStreamSource(device, 0, &draw.vb, &draw.vb_offset, &draw.vb_stride);
+            // GetStreamSource AddRef's the VB - we keep the ref until replay
+            draw.ib = deviceGetIndices(device);
+            // GetIndices AddRef's the IB
+            draw.vertex_decl = deviceGetPtr(device, types.VT.GetVertexDeclaration);
+            // GetVertexDeclaration AddRef's
+            draw.vertex_shader = deviceGetPtr(device, types.VT.GetVertexShader);
+            // GetVertexShader AddRef's
+            for (0..4) |stage| {
+                draw.tex[stage] = deviceGetTexture(device, @intCast(stage));
+                draw.alpha_op[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAOP);
+                draw.alpha_arg1[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAARG1);
+                draw.alpha_arg2[stage] = deviceGetTSS(device, @intCast(stage), types.D3DTSS.ALPHAARG2);
+            }
+            draw.pixel_shader = deviceGetPtr(device, types.VT.GetPixelShader);
+            draw.state_block = deviceCreateStateBlock(device);
+            if (draw.state_block != null) debug_state_block_seen = true;
+            draw.alpha_test_enable = deviceGetRS(device, types.D3DRS.ALPHATESTENABLE);
+            draw.alpha_ref = deviceGetRS(device, types.D3DRS.ALPHAREF);
+            draw.alpha_func = deviceGetRS(device, types.D3DRS.ALPHAFUNC);
+            draw.alpha_blend_enable = deviceGetRS(device, types.D3DRS.ALPHABLENDENABLE);
+            draw.src_blend = deviceGetRS(device, types.D3DRS.SRCBLEND);
+            draw.dst_blend = deviceGetRS(device, types.D3DRS.DESTBLEND);
+
+            // Capture VS constants (bone matrices, world/view/proj transforms)
+            deviceGetVSConstF(device, 0, &draw.vs_consts, MAX_VS_CONST_REGS);
+
+            cached_draw_count = idx + 1;
+            frame_has_outlines = true;
+            debug_cached_draw_seen = true;
+        }
+
+        // DEBUG23: no stencil writes. Preserve WoW's D3D state and draw once.
+        // The cached geometry is replayed later into the silhouette RT.
+        return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
+    }
+
+    // ---- Normal path ----
     return origFn(device, prim_type, base_vtx, min_vtx, num_verts, start_idx, prim_count);
 }
 
@@ -1345,8 +1437,8 @@ fn runJfaPipeline(device: *anyopaque) void {
         if (saved_rt0) |rt| deviceSetRenderTarget(device, 0, rt);
         deviceSetTexture(device, 0, rt_jfa_a_tex);
         deviceSetTexture(device, 1, rt_silhouette_tex);
-        // V37A isolation test: V37 radii only, V36 decode shader unchanged.
-        c0 = [4]f32{ fw, fh, 1.35, 3.20 };
+        // V38: slightly stronger 1.5px core with a subtler 3.1px falloff.
+        c0 = [4]f32{ fw, fh, 1.50, 3.10 };
         deviceSetPSConstF(device, 0, &c0);
         deviceSetPtr(device, types.VT.SetPixelShader, jfa_decode_ps.?);
         deviceSetRS(device, types.D3DRS.ALPHABLENDENABLE, 1);
@@ -1554,14 +1646,14 @@ fn getD3D9VTable() ?[*]usize {
 
 pub fn installHooks() bool {
     if (hooks_installed) return true;
+    if (shutdown_started) return false;
 
     const vtable_ptr = getD3D9VTable() orelse return false;
     d3d9_vtable = vtable_ptr;
 
-    // Isolation test: hook EndScene + DrawIndexedPrimitive.
-    // Reset remains untouched.
     if (!patchVtableEntry(vtable_ptr, types.VT.EndScene, @intFromPtr(&hkEndScene), &orig_endscene)) return false;
     if (!patchVtableEntry(vtable_ptr, types.VT.DrawIndexedPrimitive, @intFromPtr(&hkDIP), &orig_dip)) return false;
+    if (!patchVtableEntry(vtable_ptr, types.VT.Reset, @intFromPtr(&hkReset), &orig_reset)) return false;
 
     hooks_installed = true;
     return true;

src/outline/model_hook.zig

@@ -94,8 +94,10 @@ fn renderDrawDetour(this: u32, view_matrix: u32, batch_data: u32, batch_indices:
         api.initD3D9Deferred();
     }
 
-    // Isolation test: keep the initial deferred D3D9 hook install, but do not
-    // repeatedly verify/rewrite the live vtable while rendering.
+    // AutoFix: OutlineDebug() previously performed lateRehookIfLost() by hand.
+    // Check periodically from this always-active native model hook instead.
+    autoRepairD3D9Hooks();
+
     // Skip reordering if nothing to outline or too many batches
     if (!tracker.enabled or !tracker.hasTargets() or batch_count == 0 or batch_count > MAX_REORDER) {
         render_draw_hook.callOriginal(.{ this, view_matrix, batch_data, batch_indices, batch_count });
@@ -111,7 +113,7 @@ fn renderDrawDetour(this: u32, view_matrix: u32, batch_data: u32, batch_indices:
         const idx_u: u32 = @bitCast(indices[i]);
         const model_ptr = hook.readMem(u32, batch_data +% idx_u *% 0x40 +% 4);
         if (model_ptr != 0) {
-            if (tracker.findOutlineEntry(model_ptr) != null) {
+            if (tracker.findOutlineEntryIncludingAttachment(model_ptr) != null) {
                 outline_count += 1;
             } else if (tracker.isGameObjectModel(model_ptr)) {
                 game_obj_count += 1;
@@ -135,7 +137,7 @@ fn renderDrawDetour(this: u32, view_matrix: u32, batch_data: u32, batch_indices:
         const batch_idx = indices[i];
         const idx_u: u32 = @bitCast(batch_idx);
         const model_ptr = hook.readMem(u32, batch_data +% idx_u *% 0x40 +% 4);
-        if (model_ptr != 0 and tracker.findOutlineEntry(model_ptr) != null) {
+        if (model_ptr != 0 and tracker.findOutlineEntryIncludingAttachment(model_ptr) != null) {
             reordered_indices[outline_pos] = batch_idx;
             outline_pos += 1;
         } else if (model_ptr != 0 and tracker.isGameObjectModel(model_ptr)) {
@@ -191,7 +193,7 @@ fn drawBatchProjDetour(ctx: u32) callconv(hook.cc.thiscall) void {
     else
         0;
 
-    const entry = if (model_ptr != 0) tracker.findOutlineEntry(model_ptr) else null;
+    const entry = if (model_ptr != 0) tracker.findOutlineEntryIncludingAttachment(model_ptr) else null;
 
     if (entry != null) {
         // This batch is an outline target - signal the DIP hook

src/outline/offsets.zig

@@ -12,6 +12,15 @@ pub const MODEL_OWNER_DIRECT: usize = 0x28;
 /// model + this → render callback owner pointer (set by SetRenderCallbacks).
 pub const MODEL_OWNER_CALLBACK: usize = 0x3C0;
 
+/// V40: parent/root CM2Model for an attached model.
+/// Proven from WoW 1.12.1 build 5875 function 0x712F70:
+/// child+0x1CC = root, child+0x1D0 = attachment id,
+/// root+0x1DC = child-list head, child+0x1E4 = next sibling.
+pub const MODEL_ATTACHMENT_PARENT: usize = 0x1CC;
+pub const MODEL_ATTACHMENT_ID: usize = 0x1D0;
+pub const MODEL_CHILD_HEAD: usize = 0x1DC;
+pub const MODEL_NEXT_SIBLING: usize = 0x1E4;
+
 // =============================================================================
 // Render context
 // =============================================================================

src/outline/outline.zig

@@ -109,8 +109,11 @@ pub fn initD3D9Deferred() void {
 /// Remove all outline hooks. Called during DLL_PROCESS_DETACH.
 pub fn cleanup() void {
     if (g_is_hook_owner) {
-        d3d9_hook.removeHooks();
+        // ExitFix: stop any future self-heal first, then detach the model hooks
+        // that can call lateRehookIfLost(), and only then tear down D3D9.
+        d3d9_hook.beginShutdown();
         model_hook.removeHooks();
+        d3d9_hook.removeHooks();
         log.close();
         mod_mutex.release(&g_mutex);
     }

src/outline/tracker.zig

@@ -79,6 +79,19 @@ pub fn findOutlineEntry(model_ptr: u32) ?*const types.OutlineEntry {
     return null;
 }
 
+/// V40: resolve a live attached M2 to the already-tracked root model.
+/// 0x712F70 writes the root CM2Model pointer directly to child+0x1CC.
+/// We only read that fixed field and compare the value; the parent pointer is
+/// never dereferenced here.
+pub fn findOutlineEntryIncludingAttachment(model_ptr: u32) ?*const types.OutlineEntry {
+    if (findOutlineEntry(model_ptr)) |entry| return entry;
+    if (model_ptr == 0) return null;
+
+    const parent = hook.readMem(u32, model_ptr + o.MODEL_ATTACHMENT_PARENT);
+    if (parent == 0 or parent == model_ptr) return null;
+    return findOutlineEntry(parent);
+}
+
 /// Check if any outline targets are tracked this frame.
 pub fn hasTargets() bool {
     return tracked_obj_count > 0;
@@ -86,7 +99,7 @@ pub fn hasTargets() bool {
 
 /// Get the outline colour for a model, or null if not tracked.
 pub fn getModelColor(model_ptr: u32) ?u32 {
-    const entry = findOutlineEntry(model_ptr) orelse return null;
+    const entry = findOutlineEntryIncludingAttachment(model_ptr) orelse return null;
     return switch (entry.category) {
         .target => types.COLOR_TARGET,
         .raid_marked => if (entry.raid_mark > 0 and entry.raid_mark <= 8)
@@ -100,7 +113,7 @@ pub fn getModelColor(model_ptr: u32) ?u32 {
 
 /// Get the outline category for a model.
 pub fn getModelCategory(model_ptr: u32) types.ModelCategory {
-    const entry = findOutlineEntry(model_ptr) orelse return .none;
+    const entry = findOutlineEntryIncludingAttachment(model_ptr) orelse return .none;
     return entry.category;
 }
 
@@ -136,6 +149,7 @@ pub fn classifyModel(model_ptr: u32) void {
     // Read the model's back-pointers to its owning game object.
     const owner_direct = hook.readMem(u32, model_ptr + o.MODEL_OWNER_DIRECT);
     const owner_callback = hook.readMem(u32, model_ptr + o.MODEL_OWNER_CALLBACK);
+    const attachment_parent = hook.readMem(u32, model_ptr + o.MODEL_ATTACHMENT_PARENT);
 
     // Match against tracked outline objects (target, raid marks, dead players).
     if (tracked_obj_count > 0 and frame_outline_count < MAX_OUTLINE_MODELS) {
@@ -149,6 +163,16 @@ pub fn classifyModel(model_ptr: u32) void {
         }
     }
 
+    // V40: attached weapons, shields and other M2 children inherit the
+    // selected root's outline. This is only a value comparison; no traversal.
+    if (attachment_parent != 0 and attachment_parent != model_ptr and
+        findOutlineEntry(model_ptr) == null and frame_outline_count < MAX_OUTLINE_MODELS)
+    {
+        if (findOutlineEntry(attachment_parent)) |parent_entry| {
+            addOutlineEntry(model_ptr, parent_entry.category, parent_entry.raid_mark);
+        }
+    }
+
     // Match against game object pointers (for render ordering).
     if (game_obj_ptr_count > 0 and game_obj_model_count < MAX_GAME_OBJ_MODELS) {
         for (game_obj_ptrs[0..game_obj_ptr_count]) |go_ptr| {