| Commit message (Collapse) | Author | Age | Files | Lines |
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Move vtable patching into hooks.cpp: one call clones the table, validates every
slot, records the originals and installs the clone. Installs happen from the
setup, game and paint threads, so the bookkeeping is mutex-protected.
Client, CInput, IVModelRender, IStudioRender and ISurface all use it, and
hooks_restore_all() can now put every interface back (previously impossible).
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Shadow-depth and reflection passes call DrawModelExecute with a material
already forced via IVModelRender::ForcedMaterialOverride. Chams could not tell
that apart from a free draw, substituted its own material (putting chams into
the shadow map) and then cleared the override to null, which broke the shadow
material for every model drawn afterwards.
Hook slot 1 as a tracker so the current forced material is known, and skip the
chams substitution whenever one is active.
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Crash/UB:
- gate every hook behind an init-stage flag until config/surface/input are ready
- publish module maps as immutable atomic snapshots instead of reallocating
shared vectors under unlocked readers
- validate the %ebp walk in the RandomSeed/RandomFloat hooks against the stack
- bounds-check every RecvTable/RecvProp/string dereference with module_range()
- preserve the Itanium vtable header when cloning (client, CInput, model render,
studio render)
- reject negative usercmd sequence numbers; guard config_load against a null
section target; cap the bone parent walk; check mprotect; drop PROT_EXEC on
the GOT patch; absorb server.so .bss tail
Correctness:
- filter dormant entities across ESP, aimbot, triggerbot, melee, items and
projectiles (slot self-tested against the local player)
- reset the server-health latch per map and only latch on valid model indices
- bone cache sized for the 128-target scan; set valid=false on every failure;
head_position keeps searching past an invalid bone
- vischeck steps past glass by probing until clear, and ignores entities owned
by the target (held weapons, bone followers)
- aimbot: maxs no longer disables it, AABB-aware FOV prefilter, lock hysteresis,
lead point re-checked for FOV and visibility
- spread: seed hook arms on the no-spread toggle alone; engine toggle only
controls the RandomFloat zeroing
- resolve m_hOwnerEntity/m_hOwner; NPC lead velocity from the server entity
- vector_angles pitch range, point_ground normal test, underwater jump+duck no
longer skips combat, semi-auto press/release edge for synthetic fire
- item/projectile markers and blast rings refresh origin per frame while
discovery stays at 10 Hz; trajectory uses the real m_DmgRadius and honours
the blast-radius toggle
Rendering/GUI:
- one overlay draw per engine frame (FRAME_RENDER_START boundary), fixing
alpha stacking and the speed-graph flicker
- clipped lines/outlines and ellipsised text instead of drawing past the
content pane or shifting over neighbours
- dropdown dismissal consumes the click; hover ignores hidden controls
- chams: reset AlphaModulate, reference shared materials once, restore prop
tint colour; fonts created once per handle
- projection uses Source's 4:3 aspect scaling and roll; screen size refreshed
each frame; FOV circle gated on the aim toggles, not the bind
Performance:
- TTL caches for NPC relation, friendly/neutral and damage class
- model names memoised per model index
- entity pointer -> index cache for the triggerbot (was a 4096-slot walk/tick)
Build:
- real Makefile with -MMD dependency tracking, debug/release objects and an
always-relink rule; build.sh kept as a thin wrapper
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Testing on :99 showed the material $alpha path is a dead end: UnlitGeneric
takes translucency from the base texture/vertex alpha, and the debug materials
have neither. Follow Amalgam: apply alpha with IVRenderView::SetBlend
(VEngineRenderView014 slot 4) around the model draw, saving/restoring it.
To have something translucent to blend, write a tiny UnlitGeneric VMT with
$model 1 + $translucent 1 + a white base texture to
<game>/<mod>/materials/hl2hake/translucent.vmt (plus a custom/ copy). It is
written by a preload constructor so it exists before the material system scans
its search paths, then loaded once with FindMaterial. Styles 0/3/4/6 use it
when the colour alpha is below 255.
Also:
- Visible wireframe + through-wall: fill the visible silhouette first so the
through-wall pass cannot show in the wireframe gaps, then draw a brightened
contour. Style 6 is now "Solid + contour" (recolour + visible edges).
- find_modules builds local snapshots and publishes them under a mutex; the
setup thread and the server retry could reset the shared vectors live and
crash at startup.
Verified on :99: Solid + alpha 64 renders a see-through viewmodel, Solid +
contour shows a blue fill with bright blue contours, Additive is a translucent
coloured glow and Fullbright is a white additive glow.
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Testing on :99 showed ADDITIVE on debugtranslucentsinglecolor did nothing and
alpha lost the colour, because that VMT has no $translucent and the engine
bound an unreferenced material. Use debug/debugtranslucentmodelhulls (VMT has
$additive 1 + $color) for Additive/Fullbright, and addref every preloaded
material so the engine stops warning "bad reference count 0" and applies
$color/ColorModulate. Verified: Solid is flat blue, Additive is a translucent
coloured glow, Fullbright is a white additive glow, White is opaque white.
Also drop the viewmodel additive base (the solid material is opaque, so it
made an opaque blob) and never call FindMaterial inside DrawModelExecute.
Document that the alpha control is stored but has no effect until a custom
$translucent model VMT is added.
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Fullbright was additive with the chosen colour lifted only 25% toward white,
which on a dark scene looked almost identical to Solid/Flat. Force white for
the Fullbright colour so the additive pass reads as a distinctly brighter,
white-hot glow; the faint translucent base still gives it a silhouette on
bright backgrounds.
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- Colour picker gains an optional alpha bar (checkerboard preview, #RRGGBBAA
readout); add_color_alpha is used for the chams colours. Chams colours are
now r,g,b,a and chams_apply sets $alpha plus MATERIAL_VAR_TRANSLUCENT when
alpha < 255. Config stores vis_a / inv_a / vm a.
- The additive viewmodel base is now a faint translucent tint (alpha/8)
instead of an opaque fill, so additive/Fullbright stay see-through and the
viewmodel no longer becomes a solid blob. Fullbright whitening reduced to
25% so blue stays blue instead of turning lavender.
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Viewmodels are collated as RENDER_GROUP_VIEW_MODEL_OPAQUE, so an additive
forced material can vanish against a bright sky/wall (additive adds nothing to
an already-bright surface). Draw a dim opaque solid base before the additive
viewmodel pass so the first-person model always has a visible silhouette; the
additive layer still provides the glow.
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vgui/white is an UnlitGeneric with $vertexcolor/$vertexalpha, no basetexture
and no $model, so it renders nothing on model vertices; Flat was invisible on
the viewmodel and would be invisible on NPCs too. Flat now uses the solid
model shader with the FLAT flag. Remove the vgui/white probe.
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- Flat uses the solid model shader with the FLAT flag on the viewmodel;
vgui/white does not draw skinned models and made the hands vanish.
- Glow outline draws its wireframe contour with ZNEARER and a brightened
colour, so the solid base no longer hides the contour.
- Fullbright is now additive + self-illuminated with the colour lifted toward
white, so it reads differently from Solid and Additive glow.
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- Hostile/neutral/friendly each have independent visible and through-wall
settings: enable, style and colour. Viewmodel has its own enable/style/colour.
- Styles: Flat, Wireframe, Additive, Solid, White, Fullbright, Glow outline.
Additive uses the model solid material + ADDITIVE flag (the VGUI additive
was invisible on NPCs). White/fullbright are solid-based, so the viewmodel
no longer disappears/checkerboards. Glow outline adds a wireframe contour
pass for depth.
- Config: [chams] active/bind, [chams_hostile|neutral|friendly] vis/inv
settings, [chams_vm]. GUI sections for each group.
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The viewmodel was always solid. Use the selected style material for the
model-debug styles (wireframe/solid/white/fullbright); Flat and Additive use
the solid model shader with the same flags because their VGUI materials do not
draw skinned models.
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models/debug/debugwhite is EP2-only and additivevertexcolorvertexalpha is not
loadable in the base game. Preload vgui/white for Flat and vgui/white_additive
for Additive; the other debug styles were already found. The viewmodel keeps
the solid model shader.
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FindMaterial inside DrawModelExecute did not load the style VMTs, so every
style fell back to the solid material. Preload the six style materials from
outer_draw (throttled) and have the render hook use the cached pointers only.
world_find_material now returns only the exact requested material; the caller
falls back to the solid style. Add a vgui/white probe and per-style preload
logs.
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The base game only has debug/debugtranslucentsinglecolor resident, so the
other debug VMTs silently fell back to it and every style looked flat. Use that
material for every style and apply material flags instead: FLAT, WIREFRAME,
ADDITIVE, and FLAT|SELFILLUM for fullbright; white forces the colour. Flags are
cleared after the draw.
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VGUI/white materials do not draw skinned models, so every viewmodel style
except the model debug one made the hands/weapon disappear. Use model debug
materials for all styles: wireframe, additive vertex colour, translucent
single colour, translucent vertex colour, MRM fullbright. The viewmodel
always uses debug/debugtranslucentsinglecolor. A missing style now falls back
to that material instead of vgui/white.
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- Material selector 0..4: debugwhite, debug wireframe (ignorez), vgui
white_additive, debugtranslucentsinglecolor, vgui/white; cached per index
with a debugwhite fallback.
- Add "Viewmodel (hands/weapon)" toggle; viewmodel entities (class contains
viewmodel or model path /v_...) get a normal-depth chams pass.
- [chams] gains viewmodel= and material=.
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FindMaterial diagnostics are no longer logged per attempt; the chosen material
is logged once. Accept any candidate name returned by FindMaterial, not just
debugwhite.
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ColorModulate alone left the forced material white. Also set the shader's
$color and $color2 vars (IMaterialVar SetVecValue 3-float) and restore them to
white after the draw. Log which fallback material was selected.
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- Hook IVModelRender::DrawModelExecute (VEngineModel016 slot 19) and force
models/debug/debugwhite for NPC models, identified by
ModelRenderInfo_t::entity_index.
- Two passes: MATERIAL_VAR_IGNOREZ through walls, then normal depth, with
IMaterial::ColorModulate for the configured colour; restore the shared
material's flag/colour afterwards.
- Material lookup via the IMaterialSystem list, FindMaterial fallback.
- New Chams feature/card with Through walls and colour; [chams] config.
- Remove the temporary ammo/projectile/fuse diagnostics.
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Props render correctly with all seven DrawModel arguments forwarded; the
per-draw model/client/origin log is no longer needed.
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DrawModel takes (this, results, info, boneToWorld, flexWeights,
flexDelayedWeights, const Vector &modelOrigin, flags). The hook dropped
modelOrigin, so flags landed in its slot and the real flags were read from
caller stack garbage. studiorender.so 0x83ad0 reads 0x20(%ebp) as the
modelOrigin pointer and 0x24(%ebp) as the flags; passing both restores the
engine's normal draw.
This is the cause of the intermittent (~50%) checkerboard/error-material
props: the draw was being issued with a garbage flag word.
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Drop the temporary DrawModel/SetColor logs now that the prop tint works, and
document the IStudioRender hook layout, the short model-name format used for
prop detection, the SetColor-before-DrawModel ordering, and why prop
materials cannot be tinted directly.
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The engine calls SetColorModulation(1,1,1) immediately before DrawModel, so
the in-draw flag never sees it. Set the prop colour at the start of the prop
DrawModel hook instead (colour only, not alpha), and stop applying
ColorModulate to prop materials so only one mechanism touches props.
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The forced SetColorModulation/SetAlphaModulation calls before DrawModel are
what turned matched props into the error material and destabilised the
material system. Mirror Amalgam instead: set a "drawing a prop" flag around
the original draw and only substitute the colour when the engine itself calls
SetColorModulation during that draw. Log those calls for the first few draws
to see whether the engine applies modulation inside DrawModel at all.
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Hooking IStudioRender's draw/setter slots made matched props render the error
material and then crashed the material system ("debug/modelstats has bad
reference count 0 when being bound"). Keep the hook code for reference but do
not install it.
Fix the m_clrRender netvar resolution: the walk picked an embedded table entry
at offset 0, so the earlier entity writes stomped entity vtables. Only accept
offsets inside C_BaseEntity (0x20..0x2000), then write the prop colour there
for models/props entities. Restore white when disabled.
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studiohdr_t::name is not "models/props/...". In this build it is the short
model name with Windows separators, e.g. "props_junk\wood_crate002a.mdl"
(the models/ prefix is stripped). Normalise the prefix/separators and match
props/, props\ and props_ (excluding the distant props_skybox set), so the
studio hooks actually recognise prop draws.
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Log the first crate materials the tint pass modifies and the first DrawModel/
DrawModelArray calls with their model names, to see whether the crates are
brush materials that were never reached, materials loaded after the tint was
applied, or a studio draw path that is still missed.
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m_clrRender resolved to offset 0 in this build; writing it stomped entity
vtables instead of tinting anything. Remove that path.
The static-prop logging showed DrawModelStaticProp is never called for these
props, so hook the other studio draw entries as well: DrawModel (29) for
entity models and DrawModelArray (46, the instanced static-prop path). Both
read the model name from DrawModelInfo_t::m_pStudioHdr and force the prop
colour for models/props* draws.
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Static props commonly use brush-style props/... materials
(props/woodcrate001a is LightmappedGeneric), so the models/props-only filter
missed them. Include the props/ prefix.
Also log the first static prop studio draws and a 500-draw summary so we can
see whether the engine draws props through DrawModelStaticProp at all.
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Most of the crates are prop_static, which have no client entity, so writing
m_clrRender only reached the three dynamic ones. Hook the StudioRender
interface (VStudioRender025) on the interface object's vtable: substitute the
prop colour in SetColorModulation/SetAlphaModulation while
DrawModelStaticProp is drawing a models/props model, and set the modulation
explicitly before the original draw in case the engine sets it just before the
call.
Vtable indices verified by disassembling CStudioRenderContext: 27 = three
float stores from the argument pointer, 28 = one float, 30 = the
DrawModelInfo_t-drawing entry with three arguments (the 2013 SDK header lists
these slots five positions earlier in this build).
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