Saul Rennison

// The following code is licensed under Creative Commons Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)
// See: http://creativecommons.org/licenses/by-nc/3.0/
// Credit MUST be given to Saul Rennison and the CSProMod Team.

static ConVar cl_player_shadows("cl_player_shadows", "1", FCVAR_CHEAT, "Enable player shadows", true, 0, true, 1);

ShadowType_t C_BasePlayer::ShadowCastType()
{
    if(cl_player_shadows.GetBool())
        return SHADOWS_SIMPLE; // blob shadows

    return SHADOWS_NONE;
}

bool C_BasePlayer::GetShadowCastDirection(Vector *pDirection, ShadowType_t shadowType ) const
{
    // Force player shadows to be straight down
    *pDirection = Vector(0, 0, -1);
    return true;
}

bool C_BasePlayer::ShouldDraw()
{
    return BaseClass::ShouldDraw();
}

static ConVar cl_legs("cl_legs", "1", FCVAR_CHEAT, "Enable or disable player leg rendering", true, 0, true, 1);
static ConVar cl_legs_origin_shift("cl_legs_origin_shift", "-16.5", FCVAR_CHEAT, "Amount in game units to shift the player model relative to the direction the player is facing");
static ConVar cl_legs_clip_height("cl_legs_clip_height", "0", FCVAR_CHEAT, "Amount in game units of the player model to render up to [0 = disable]", true, 0, false, 0);

const Vector& C_BasePlayer::GetRenderOrigin( void )
{
    // If we're not observing this player, or if we're not drawing it at the
    // moment then use the normal absolute origin.
    // NOTE: the GetCurrentlyDrawingEntity check is here to make sure the
    // shadow is rendered from the correct origin
    if(!IsInEye() || view->GetCurrentlyDrawingEntity() != this)
        return BaseClass::GetRenderOrigin();

    // Get the forward vector
    static Vector forward; // static because this method returns a reference
    AngleVectors(GetRenderAngles(), &forward);

    // Shift the render origin by a fixed amount
    forward *= cl_legs_origin_shift.GetFloat();
    forward += GetAbsOrigin();

    return forward;
}

int C_BasePlayer::DrawModel( int flags )
{
    // No need for clipping or render origin shifting if we aren't a local
    // player
    if(!IsInEye())
        return BaseClass::DrawModel(flags);

    // If we aren't drawing legs, return
    if(!cl_legs.GetBool())
        return 0;

    CMatRenderContextPtr context(materials);

    // Don't render above a certain height of the body
    if(cl_legs_clip_height.GetInt() > 0)
    {
        context->SetHeightClipMode(MATERIAL_HEIGHTCLIPMODE_RENDER_BELOW_HEIGHT);
        context->SetHeightClipZ(GetAbsOrigin().z+cl_legs_clip_height.GetFloat());
    }

    // Draw the model
    int nDrawRes = BaseClass::DrawModel(flags);

    // Remove height clipping
    context->SetHeightClipMode(MATERIAL_HEIGHTCLIPMODE_DISABLE);

    return nDrawRes;
}