csldr: A C repository from mikkokko

Main features

Hor+ FOV scaling for widescreen
Separately calculated viewmodel FOV
Adjustable viewmodel origin
Alternative viewmodel bob from CS:GO 1.0.0.40
Viewmodel sway/lag
Viewmodel shifting can be disabled
Alternative crosshair
Bodygroup-based arm changing depending on team
Separate hand models for viewmodels (CS:GO/GMod style)
Client-side weapon inspecting
Bone controlled camera movement
Mirrored shell ejects
FOV lerp
Shader-based model renderer

Notes

Read the installation instructions. It's very easy to break your game if you don't.
Play on VAC secured servers at your own risk.
Not all features work with the software and D3D renderers.
Some features will not work when cl_lw is set to 0 (inspecting, crosshair...).
Other client-side mods that rely on client.dll (like some MetaHook plugins) will not not work when this is installed.

Non-Steam builds

Some non-Steam builds of the game (notably CS WaRzOnE) come with a program called GTProtector. This causes problems with csldr like the Find Cl/En/St modules error pop-up or the game crashing on startup. As a workaround, csldr will remove GTLib.asi or GTProtector.asi when the game is launched. GTProtector is apparently used to protect the client from malicious servers so it might not be a good idea to play online with these builds when clsdr is installed. Using the latest Steam version of the game is recommended.

Installation

Download the latest Windows or Linux binary from the releases page or compile it from source
Navigate to "cstrike/cl_dlls" (or "czero/cl_dlls" if you're playing Condition Zero)
Rename the existing client.dll to client_orig.dll (client.so to client_orig.so on Linux)
Move the new client.dll into the folder
Play

Shader-based model renderer

The shader-based model renderer requires OpenGL 2.1 and the GL_ARB_uniform_buffer_object extension. Currently the renderer doesn't have a lot going for it besides a few nice to have things:

Improved performance when rendering high poly models
Support for the fullbright texture flag
Chrome textures are no longer limited to 64x64
Support for more than 2048 vertices/normals per submodel
External texture replacements (see Model config files)

Eventually I will add more features to it for modding purposes.

Known issues with the renderer:

Glowshell uses model normals instead of computing custom ones
Rendering of hulls, bboxes or bones is not supported (r_drawentities > 1)

On some systems, the renderer can be slower when rendering low poly models due to the overhead it adds. As a mitigation, the default renderer will be used for low poly models that don’t use studio_fastpath exclusive features. The poly count threshold can be controlled with the cvar studio_fastpath_min_polys.

The renderer can be enabled with studio_fastpath 1 if the system supports it. To see information about the renderer's state, use studio_info. If you notice any issues with the renderer (models not looking as they should, performance issues, etc.) let me know by opening an issue.

Model config files

Model config files allow you to tweak model specific options. Here is an example config file for the ak47 viewmodel (models/v_ak47.txt), which contains all of the available options:

// subset of valve's keyvalue format
// c++ style comments are supported (//)
// strings can be quoted or unquoted (latter is preferred if the string doesn't contain spaces)

// viewmodel tweaks
mirror_shell 1 // mirror shell ejects
mirror_model 1 // mirror the viewmodel
origin "1 0 -1" // additional origin adjustment
fov_override 74 // scales accordingly to the value of viewmodel_fov (90 = no change)

// texture overrides, these only work when studio_fastpath is 1
textures
{
    ak47.bmp // embedded texture name
    {
        diffuse textures/models/v_ak47/ak47.tga
    }
}

The texture replacements only work when the shader-based model renderer is active. Only TGA files are supported.

Model config files can be reloaded with the studio_config_flush command. This will also reload texture files.

Other stuff

To get bone controlled camera movement working, make a bone called "camera" and make an attachment on it.
You can make hand bodygroups change depending on what team you're in by naming the bodygroup so that is starts with "arms".
Inspect sequence indices are hardcoded for compatibility, it's always the sequence after the last default sequence. Check inspectAnims array in inspect.c if in doubt.

Cvars and commands

Name	Description
camera_movement_interp	Smooths out camera movement when switching weapons. Recommended value is 0.1. Set to 0 to disable smoothing.
camera_movement_scale	Camera movement scale.
cl_bob_camera	View origin bob, does nothing with cl_bobstyle 2
cl_bob_lower_amt	Specifies how much the viewmodel moves inwards for CS:GO style bob.
cl_bobamt_lat	Lateral scale for CS:GO style bob.
cl_bobamt_vert	Vertical scale for CS:GO style bob.
cl_bobstyle	0 for default bob, 1 for old style bob and 2 for CS:GO style bob.
cl_rollangle	Viewmodel roll angle.
cl_rollspeed	Viewmodel roll speed.
fov_horplus	Enables Hor+ scaling for FOV. Fixes the FOV when playing with aspect ratios other than 4:3.
fov_lerp	FOV interpolation time in seconds.
lookat	Inspects the weapon if the animation is present.
studio_confg_flush	Reloads model config files and any files referenced by them (like textures).
studio_fastpath	Enables the shader-based model renderer.
studio_fastpath_min_polys	Optimization kludge, see the documentation.
studio_info	Prints information about the shader-based model renderer.
viewmodel_fov	Viewmodel FOV.
viewmodel_hands	Specifies an external hand model, for example "v_hands.mdl". Can be disabled with an empty string ("").
viewmodel_lag_style	Viewmodel sway style. 0 is off, 1 is HL2 style and 2 is CS:S/CS:GO style.
viewmodel_lag_scale	Scale of the viewmodel sway.
viewmodel_lag_speed	Speed of the viewmodel sway. (HL2 sway only)
viewmodel_offset_x	Viewmodel's x offset.
viewmodel_offset_y	Viewmodel's y offset.
viewmodel_offset_z	Viewmodel's z offset.
viewmodel_shift	Fixes the viewmodel shift when looking up and down. 1 disables the shift without fixing the viewmodel position, 2 disables the shift and fixes the viewmodel position.
xhair_additive	Makes the crosshair additive. Does not affect the crosshair padding. xhair_alpha only affects the padding when xhair_additive is set to 1.
xhair_alpha	Crosshair's transparency (0-1).
xhair_color_b	Crosshair color's blue value (0-1).
xhair_color_g	Crosshair color's green value (0-1).
xhair_color_r	Crosshair color's red value (0-1).
xhair_dot	Enables crosshair dot.
xhair_dynamic_move	When set to 1, jumping, crouching and moving will affect the dynamic crosshair (like cl_dynamiccrosshair).
xhair_dynamic_scale	Scale of the dynamic crosshair movement. Set to 0 to disable the dynamic crosshair, 1 for default amount of movement.
xhair_gap_useweaponvalue	Makes the crosshair gap scale depend on the active weapon.
xhair_enable	Enables enhanced crosshair.
xhair_gap	Space between crosshair's lines.
xhair_pad	Border around crosshair.
xhair_size	Crosshair size.
xhair_t	Enables T-shaped crosshair.
xhair_thick	Crosshair thickness.

mikkokko/csldr