/*
===========================================================================
Copyright (C) 2025 the OpenMoHAA team

This file is part of OpenMoHAA source code.

OpenMoHAA source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

OpenMoHAA source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with OpenMoHAA source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

// DESCRIPTION:
// Functions for doing model animation and attachments

#include "cg_local.h"
#include "tiki.h"

static qboolean cg_forceModelAllowed = qfalse;

/*
===============
CG_GetPlayerModelTiki
===============
*/
const char *CG_GetPlayerModelTiki(const char *modelName)
{
    return va("models/player/%s.tik", modelName);
}

/*
===============
CG_GetPlayerLocalModelTiki
===============
*/
const char *CG_GetPlayerLocalModelTiki(const char *modelName)
{
    return va("models/player/%s.tik", modelName);
}

/*
===============
CG_PlayerTeamIcon
===============
*/
void CG_PlayerTeamIcon(refEntity_t *pModel, entityState_t *pPlayerState)
{
    qboolean bInArtillery, bInTeam, bSpecialIcon;

    if (cg_protocol < PROTOCOL_MOHTA_MIN) {
        if (pPlayerState->eFlags & EF_ALLIES) {
            cg.clientinfo[pPlayerState->number].team = TEAM_ALLIES;
        } else if (pPlayerState->eFlags & EF_AXIS) {
            cg.clientinfo[pPlayerState->number].team = TEAM_AXIS;
        } else {
            cg.clientinfo[pPlayerState->number].team = TEAM_NONE;
        }
    }

    if (pPlayerState->number == cg.snap->ps.clientNum) {
        return;
    }

    bInTeam      = qfalse;
    bSpecialIcon = qfalse;
    if (cgs.gametype > GT_FFA
        && (cg.snap->ps.stats[STAT_TEAM] == TEAM_ALLIES && (pPlayerState->eFlags & EF_ALLIES)
            || cg.snap->ps.stats[STAT_TEAM] == TEAM_AXIS && (pPlayerState->eFlags & EF_AXIS)
            || cg.snap->ps.stats[STAT_TEAM] != TEAM_AXIS && cg.snap->ps.stats[STAT_TEAM] != TEAM_ALLIES
                   && (pPlayerState->eFlags & EF_ANY_TEAM) != 0)) {
        bInTeam = qtrue;
    }

    if (cgs.gametype <= GT_FFA) {
        return;
    }

    bInArtillery = qfalse;
    if (pPlayerState->eFlags & EF_PLAYER_ARTILLERY) {
        bInArtillery = qtrue;
    }

    if (bInTeam || (pPlayerState->eFlags & (EF_PLAYER_IN_MENU | EF_PLAYER_TALKING)) || bInArtillery) {
        int         i;
        int         iTag;
        float       fAlpha;
        float       fDist;
        vec3_t      vTmp;
        refEntity_t iconEnt;

        memset(&iconEnt, 0, sizeof(iconEnt));
        if ((pPlayerState->eFlags & EF_PLAYER_TALKING) != 0 && ((cg.time >> 8) & 1) != 0) {
            iconEnt.hModel = cgi.R_RegisterModel("textures/hud/talking_headicon.spr");
            bSpecialIcon   = qtrue;
        } else if ((pPlayerState->eFlags & EF_PLAYER_IN_MENU) != 0) {
            iconEnt.hModel = cgi.R_RegisterModel("textures/hud/inmenu_headicon.spr");
            bSpecialIcon   = qtrue;
        } else {
            if (!bInTeam) {
                return;
            }

            if (bInArtillery) {
                iconEnt.hModel = cgi.R_RegisterModel("textures/hud/inmenu_artilleryicon.spr");
                bSpecialIcon   = qtrue;
            } else if ((pPlayerState->eFlags & 0x80) != 0) {
                iconEnt.hModel = cgi.R_RegisterModel("textures/hud/allies_headicon.spr");
            } else {
                iconEnt.hModel = cgi.R_RegisterModel("textures/hud/axis_headicon.spr");
            }
        }

        memset(vTmp, 0, sizeof(vTmp));
        AnglesToAxis(vTmp, iconEnt.axis);

        iconEnt.scale              = 0.5f;
        iconEnt.renderfx           = 0;
        iconEnt.reType             = RT_SPRITE;
        iconEnt.shaderTime         = 0.0f;
        iconEnt.frameInfo[0].index = 0;
        iconEnt.shaderRGBA[0]      = -1;
        iconEnt.shaderRGBA[1]      = -1;
        iconEnt.shaderRGBA[2]      = -1;
        VectorCopy(pModel->origin, iconEnt.origin);

        iTag = cgi.Tag_NumForName(pModel->tiki, "eyes bone");
        if (iTag == -1) {
            iconEnt.origin[2] = iconEnt.origin[2] + 96.0f;
        } else {
            orientation_t oEyes = cgi.TIKI_Orientation(pModel, iTag);

            for (i = 0; i < 3; ++i) {
                VectorMA(iconEnt.origin, oEyes.origin[i], pModel->axis[i], iconEnt.origin);
            }

            iconEnt.origin[2] = iconEnt.origin[2] + 20.0f;
        }

        VectorSubtract(iconEnt.origin, cg.refdef.vieworg, vTmp);
        fDist = VectorLength(vTmp);

        if (fDist < 256.0f) {
            iconEnt.scale = fDist / 853.0f + 0.2f;
        } else if (fDist > 512.0f) {
            // Make sure to scale so the icon can be seen far away
            iconEnt.scale = (fDist - 512.0f) / 2560.0f + 0.5f;
        }

        if (iconEnt.scale > 1.0f) {
            iconEnt.scale = 1.0f;
        }

        if (fDist > 256.0) {
            fAlpha = 1.0f;
        } else if (fDist >= 72.0f) {
            fAlpha = (fDist - 72.0f) / 184.0f;
        } else {
            fAlpha = 0.0f;
        }

        if (cg.snap->ps.stats[STAT_TEAM] == TEAM_ALLIES || cg.snap->ps.stats[STAT_TEAM] == TEAM_AXIS) {
            fAlpha = fAlpha * 0.65f;
        } else {
            fAlpha = fAlpha * 0.4f;
        }

        if (bSpecialIcon) {
            int value = (int)((fAlpha + 0.6f) * 255.0f);
            if (value > 255) {
                value = 255;
            }
            iconEnt.shaderRGBA[3] = value;
        } else {
            iconEnt.shaderRGBA[3] = (int)(fAlpha * 255.0f);
        }

        if (fAlpha > 0.0 || bSpecialIcon) {
            if (bSpecialIcon) {
                VectorMA(iconEnt.origin, -2.0f, cg.refdef.viewaxis[0], iconEnt.origin);
                iconEnt.scale += 0.05f;
            }

            cgi.R_AddRefSpriteToScene(&iconEnt);

            if (bSpecialIcon && bInTeam && fAlpha > 0.0f) {
                if (pPlayerState->eFlags & EF_ALLIES) {
                    iconEnt.hModel = cgi.R_RegisterModel("textures/hud/allies_headicon.spr");
                } else {
                    iconEnt.hModel = cgi.R_RegisterModel("textures/hud/axis_headicon.spr");
                }
                VectorMA(iconEnt.origin, 4.0f, cg.refdef.viewaxis[0], iconEnt.origin);
                iconEnt.scale         = iconEnt.scale - 0.1;
                iconEnt.shaderRGBA[3] = (int)(fAlpha * 255.0f);
                cgi.R_AddRefSpriteToScene(&iconEnt);
            }
        }
    }
}

/*
===============
CG_InterpolateAnimParms

Interpolate between current and next entity
===============
*/
void CG_InterpolateAnimParms(entityState_t *state, entityState_t *sNext, refEntity_t *model)
{
    static cvar_t *vmEntity = NULL;
    int            i;
    float          t;
    float          animLength;
    float          t1, t2;

    if (!vmEntity) {
        vmEntity = cgi.Cvar_Get("viewmodelanim", "1", 0);
    }

    if (sNext && sNext->usageIndex == state->usageIndex) {
        t1 = cg.time - cg.snap->serverTime;
        t2 = cg.nextSnap->serverTime - cg.snap->serverTime;
        t  = t1 / t2;

        model->actionWeight = (sNext->actionWeight - state->actionWeight) * t + state->actionWeight;

        for (i = 0; i < MAX_FRAMEINFOS; i++) {
            if (sNext->frameInfo[i].weight) {
                model->frameInfo[i].index = sNext->frameInfo[i].index;
                if (sNext->frameInfo[i].index == state->frameInfo[i].index && state->frameInfo[i].weight) {
                    model->frameInfo[i].weight =
                        (sNext->frameInfo[i].weight - state->frameInfo[i].weight) * t + state->frameInfo[i].weight;

                    if (sNext->frameInfo[i].time >= state->frameInfo[i].time) {
                        model->frameInfo[i].time =
                            (sNext->frameInfo[i].time - state->frameInfo[i].time) * t + state->frameInfo[i].time;
                    } else {
                        animLength = cgi.Anim_Time(model->tiki, sNext->frameInfo[i].index);
                        if (!animLength) {
                            t1 = 0.0;
                        } else {
                            t1 = (animLength + sNext->frameInfo[i].time - state->frameInfo[i].time) * t
                               + state->frameInfo[i].time;
                        }

                        t2 = t1;
                        while (t2 > animLength) {
                            t2 -= animLength;

                            if (t2 == t1) {
                                t2 = 1.0;
                                break;
                            }

                            t1 = t2;
                        }

                        model->frameInfo[i].time = t2;
                    }
                } else {
                    animLength = cgi.Anim_Time(model->tiki, sNext->frameInfo[i].index);
                    if (!animLength) {
                        t1 = 0.0;
                    } else {
                        t1 = sNext->frameInfo[i].time - (cg.nextSnap->serverTime - cg.time) / 1000.0;
                    }

                    model->frameInfo[i].time   = Q_max(0, t1);
                    model->frameInfo[i].weight = sNext->frameInfo[i].weight;
                }
            } else if (sNext->frameInfo[i].index == state->frameInfo[i].index) {
                animLength = cgi.Anim_Time(model->tiki, sNext->frameInfo[i].index);
                if (!animLength) {
                    t1 = 0.0;
                } else {
                    t1 = (cg.time - cg.snap->serverTime) / 1000.0 + state->frameInfo[i].time;
                }

                model->frameInfo[i].index  = Q_clamp_int(state->frameInfo[i].index, 0, model->tiki->a->num_anims - 1);
                model->frameInfo[i].time   = Q_min(animLength, t1);
                model->frameInfo[i].weight = (1.0 - t) * state->frameInfo[i].weight;
            } else {
                model->frameInfo[i].index  = -1;
                model->frameInfo[i].weight = 0.0;
            }
        }
    } else {
        // no next state, don't blend anims

        model->actionWeight = state->actionWeight;
        for (i = 0; i < MAX_FRAMEINFOS; i++) {
            if (state->frameInfo[i].weight) {
                model->frameInfo[i].index  = Q_clamp_int(state->frameInfo[i].index, 0, model->tiki->a->num_anims - 1);
                model->frameInfo[i].time   = state->frameInfo[i].time;
                model->frameInfo[i].weight = state->frameInfo[i].weight;
            } else {
                model->frameInfo[i].index  = -1;
                model->frameInfo[i].weight = 0.0;
            }
        }
    }

    if (vmEntity->integer == state->number) {
        static cvar_t *curanim;
        if (!curanim) {
            curanim = cgi.Cvar_Get("viewmodelanimslot", "1", 0);
        }

        cgi.Cvar_Set("viewmodelanimclienttime", va("%0.2f", model->frameInfo[curanim->integer].time));
    }
}

/*
===============
CG_CastFootShadow

Cast complex foot shadow using lights
===============
*/
void CG_CastFootShadow(const vec_t *vLightPos, vec_t *vLightIntensity, int iTag, refEntity_t *model)
{
    int           i;
    float         fAlpha;
    float         fLength;
    float         fWidth;
    float         fAlphaOfs;
    float         fOfs;
    float         fPitchCos;
    vec3_t        vPos;
    vec3_t        vEnd;
    vec3_t        vDelta;
    vec3_t        vLightAngles;
    trace_t       trace;
    orientation_t oFoot;

    VectorCopy(model->origin, vPos);
    oFoot = cgi.TIKI_Orientation(model, iTag);
    VectorMA(oFoot.origin, 2, oFoot.axis[1], vEnd);
    for (i = 0; i < 3; i++) {
        VectorMA(vPos, vEnd[i], model->axis[i], vPos);
    }

    if (cg_shadowdebug->integer) {
        vec3_t vDir;

        //
        // show debug lines
        //
        memset(vDir, 0, sizeof(vDir));
        for (i = 0; i < 3; ++i) {
            VectorMA(vDir, oFoot.axis[0][i], model->axis[i], vDir);
        }
        VectorMA(vPos, 32.0, vDir, vEnd);
        cgi.R_DebugLine(vPos, vEnd, 1.0, 0.0, 0.0, 1.0);

        memset(vDir, 0, sizeof(vDir));
        for (i = 0; i < 3; ++i) {
            VectorMA(vDir, oFoot.axis[1][i], model->axis[i], vDir);
        }
        VectorMA(vPos, 32.0, vDir, vEnd);
        cgi.R_DebugLine(vPos, vEnd, 0.0, 1.0, 0.0, 1.0);

        memset(vDir, 0, sizeof(vDir));
        for (i = 0; i < 3; ++i) {
            VectorMA(vDir, oFoot.axis[2][i], model->axis[i], vDir);
        }
        VectorMA(vPos, 32.0, vDir, vEnd);
        cgi.R_DebugLine(vPos, vEnd, 0.0, 0.0, 1.0, 1.0);
    }

    // calculate the direction
    VectorSubtract(vLightPos, vPos, vDelta);
    VectorNormalizeFast(vDelta);
    vectoangles(vDelta, vLightAngles);

    // normalize to 180 degrees
    if (vLightAngles[0] > 180) {
        vLightAngles[0] -= 360;
    }

    if (vLightAngles[0] > -5.7319679) {
        // FIXME: what is -5.7319679?
        return;
    }

    fPitchCos = cos(DEG2RAD(vLightAngles[0]));
    if (fPitchCos > 0.955) {
        fAlpha = 1.0 - (fPitchCos - 0.955) * 25;
    } else {
        fAlpha = 1.0;
    }

    fLength = fPitchCos * fPitchCos * 32.0 + fPitchCos * 8.0 + 10.0;
    fOfs    = 0.5 - (-4.1 / tan(DEG2RAD(vLightAngles[0])) + 4.0 - fLength) / fLength * 0.5;
    VectorMA(vPos, -96.0, vDelta, vEnd);
    CG_Trace(&trace, vPos, vec3_origin, vec3_origin, vEnd, 0, MASK_FOOTSHADOW, qfalse, qtrue, "CG_CastFootShadow");

    if (cg_shadowdebug->integer) {
        cgi.R_DebugLine(vPos, vLightPos, 0.75, 0.75, 0.5, 1.0);
        cgi.R_DebugLine(vPos, vEnd, 1.0, 1.0, 1.0, 1.0);
    }

    if (trace.fraction == 1.0) {
        return;
    }

    trace.fraction -= 0.0427f;
    if (trace.fraction < 0) {
        trace.fraction = 0;
    }

    fWidth    = 10.f - (1.f - trace.fraction) * 6.f;
    fAlphaOfs = (1.f - trace.fraction) * fAlpha;

    fAlpha = Q_max(vLightIntensity[0], Q_max(vLightIntensity[1], vLightIntensity[2]));

    if (fAlpha < 0.1) {
        vLightIntensity[0] *= 0.1 / fAlpha * fAlphaOfs;
        vLightIntensity[1] *= 0.1 / fAlpha * fAlphaOfs;
        vLightIntensity[2] *= 0.1 / fAlpha * fAlphaOfs;
    } else {
        vLightIntensity[0] *= fAlphaOfs;
        vLightIntensity[1] *= fAlphaOfs;
        vLightIntensity[2] *= fAlphaOfs;
    }

    fAlpha = Q_max(vLightIntensity[0], Q_max(vLightIntensity[1], vLightIntensity[2]));
    if (fAlpha > 0.6) {
        vLightIntensity[0] *= 0.6 / fAlpha;
        vLightIntensity[1] *= 0.6 / fAlpha;
        vLightIntensity[2] *= 0.6 / fAlpha;
    }

    if (vLightIntensity[0] <= 0.01 && vLightIntensity[1] <= 0.01 && vLightIntensity[2] <= 0.01) {
        return;
    }

    CG_ImpactMark(
        cgs.media.footShadowMarkShader,
        trace.endpos,
        trace.plane.normal,
        vLightAngles[1],
        fWidth,
        fLength,
        vLightIntensity[0],
        vLightIntensity[1],
        vLightIntensity[2],
        1.0,
        qfalse,
        qtrue,
        qfalse,
        qfalse,
        0.5,
        fOfs
    );
}

/*
===============
CG_CastSimpleFeetShadow

Cast basic feet shadow
===============
*/
void CG_CastSimpleFeetShadow(
    const trace_t *pTrace,
    float          fWidth,
    float          fAlpha,
    int            iRightTag,
    int            iLeftTag,
    const dtiki_t *tiki,
    refEntity_t   *model
)
{
    int           i;
    float         fShadowYaw;
    float         fLength;
    vec3_t        vPos, vRightPos, vLeftPos;
    vec3_t        vDelta;
    orientation_t oFoot;

    //
    // right foot
    //
    VectorCopy(pTrace->endpos, vRightPos);
    oFoot = cgi.TIKI_Orientation(model, iRightTag);
    VectorMA(oFoot.origin, 3, oFoot.axis[1], vPos);

    for (i = 0; i < 3; i++) {
        VectorMA(vRightPos, vPos[i], model->axis[i], vRightPos);
    }

    VectorMA(vRightPos, -2, oFoot.axis[1], vRightPos);

    //
    // left foot
    //
    VectorCopy(pTrace->endpos, vLeftPos);
    oFoot = cgi.TIKI_Orientation(model, iLeftTag);
    VectorMA(oFoot.origin, 3, oFoot.axis[1], vPos);

    for (i = 0; i < 3; i++) {
        VectorMA(vLeftPos, vPos[i], model->axis[i], vLeftPos);
    }

    VectorAdd(vRightPos, vLeftPos, vPos);
    VectorScale(vPos, 0.5, vPos);
    VectorSubtract(vRightPos, vLeftPos, vDelta);
    VectorMA(vLeftPos, 0.5, vDelta, vPos);

    // get the facing yaw
    fShadowYaw = vectoyaw(vDelta);
    fLength    = VectorNormalize(vDelta) * 0.5 + 12;
    if (fLength < fWidth * 0.7) {
        fLength = fWidth * 0.7;
    }

    // add the mark
    CG_ImpactMark(
        cgs.media.shadowMarkShader,
        vPos,
        pTrace->plane.normal,
        fShadowYaw,
        fWidth * 0.7,
        fLength,
        fAlpha,
        fAlpha,
        fAlpha,
        1.0,
        qfalse,
        qtrue,
        qfalse,
        qfalse,
        0.5,
        0.5
    );
}

/*
===============
CG_EntityShadow

Returns the Z component of the surface being shadowed

  should it return a full plane instead of a Z?
===============
*/
#define SHADOW_DISTANCE 96

qboolean CG_EntityShadow(centity_t *cent, refEntity_t *model)
{
    int     iTagL, iTagR;
    float   alpha;
    float   fWidth;
    vec3_t  end;
    vec3_t  vMins, vMaxs;
    vec3_t  vSize;
    trace_t trace;

    iTagR = -1;

    if (cg_shadows->integer == 0) {
        return qfalse;
    }

    if (model->renderfx & RF_SKYENTITY) {
        // no shadows on sky entities
        return qfalse;
    }

    if (cg_shadows->integer == 2 && (model->renderfx & RF_SHADOW_PRECISE)) {
        iTagL = cgi.Tag_NumForName(model->tiki, "Bip01 L Foot");
        if (iTagL != -1) {
            iTagR = cgi.Tag_NumForName(model->tiki, "Bip01 R Foot");
        }

        if (iTagR != -1) {
            int    iNumLights, iCurrLight;
            vec3_t avLightPos[16], avLightIntensity[16];

            iNumLights = Q_clamp(cg_shadowscount->integer, 1, 8);
            iNumLights = cgi.R_GatherLightSources(model->origin, avLightPos, avLightIntensity, iNumLights);
            if (iNumLights) {
                for (iCurrLight = 0; iCurrLight < iNumLights; iCurrLight++) {
                    CG_CastFootShadow(avLightPos[iCurrLight], avLightIntensity[iCurrLight], iTagL, model);
                    CG_CastFootShadow(avLightPos[iCurrLight], avLightIntensity[iCurrLight], iTagR, model);
                }

                // shadow was casted properly
                return qtrue;
            }
        }
    }

    // send a trace down from the player to the ground
    VectorCopy(model->origin, end);
    end[2] -= SHADOW_DISTANCE;

    cgi.CM_BoxTrace(&trace, model->origin, end, vec3_origin, vec3_origin, 0, MASK_PLAYERSOLID, qfalse);

    // no shadow if too high
    if (trace.fraction == 1.0) {
        return qfalse;
    }

    // since 2.0: no shadow if solid
    if (trace.startsolid || trace.allsolid) {
        return qfalse;
    }

    if ((cg_shadows->integer == 3) && (model->renderfx & RF_SHADOW_PRECISE)) {
        return qtrue;
    }

    //
    // get the bounds of the current frame
    //
    fWidth = model->scale * cgi.R_ModelRadius(model->hModel);
    if (fWidth < 1) {
        return qfalse;
    }

    // fade the shadow out with height
    alpha = (1.0 - trace.fraction) * 0.65f;

    if (model->renderfx & RF_SHADOW_PRECISE) {
        iTagL = cgi.Tag_NumForName(model->tiki, "Bip01 L Foot");
        if (iTagL != -1) {
            iTagR = cgi.Tag_NumForName(model->tiki, "Bip01 R Foot");
        }

        if (iTagR != -1) {
            if (cg_shadows->integer == 2) {
                alpha *= 0.6f;
            }

            CG_CastSimpleFeetShadow(&trace, fWidth, alpha, iTagR, iTagL, model->tiki, model);
            return qtrue;
        }
    }

    cgi.R_ModelBounds(model->hModel, vMins, vMaxs);
    VectorSubtract(vMaxs, vMins, vSize);
    VectorScale(vSize, 0.6f, vSize);

    // add the mark as a temporary, so it goes directly to the renderer
    // without taking a spot in the cg_marks array
    CG_ImpactMark(
        cgs.media.shadowMarkShader,
        trace.endpos,
        trace.plane.normal,
        cent->lerpAngles[YAW],
        vSize[1],
        vSize[0],
        alpha,
        alpha,
        alpha,
        1,
        qfalse,
        qtrue,
        qfalse,
        qfalse,
        0.5f,
        0.5f
    );

    return qtrue;
}

//
//
// NEW ANIMATION AND THREE PART MODEL SYSTEM
//
//

//=================
//CG_AnimationDebugMessage
//=================
void CG_AnimationDebugMessage(int number, const char *fmt, ...)
{
#ifndef NDEBUG
    if (cg_debugAnim->integer) {
        va_list argptr;
        char    msg[1024];

        va_start(argptr, fmt);
        Q_vsnprintf(msg, sizeof(msg), fmt, argptr);
        va_end(argptr);

        if ((!cg_debugAnimWatch->integer) || ((cg_debugAnimWatch->integer - 1) == number)) {
            if (cg_debugAnim->integer == 2) {
                cgi.DebugPrintf(msg);
            } else {
                cgi.Printf(msg);
            }
        }
    }
#endif
}

/*
======================
CG_AttachEntity

Modifies the entities position and axis by the given
tag location
======================
*/
void CG_AttachEntity(
    refEntity_t *entity, refEntity_t *parent, dtiki_t *tiki, int tagnum, qboolean use_angles, vec3_t attach_offset
)
{
    int i;
    orientation_t or ;
    vec3_t tempAxis[3];
    vec3_t vOrigin;
    vec3_t vDeltaLightOrg;

    or = cgi.TIKI_Orientation(parent, tagnum);
    //cgi.Printf( "th = %d %.2f %.2f %.2f\n", tikihandle, or.origin[ 0 ], or.origin[ 1 ], or.origin[ 2 ] );

    VectorSubtract(entity->lightingOrigin, entity->origin, vDeltaLightOrg);
    VectorCopy(parent->origin, entity->origin);

    for (i = 0; i < 3; i++) {
        VectorMA(entity->origin, or.origin[i], parent->axis[i], entity->origin);
    }

    if (attach_offset[0] || attach_offset[1] || attach_offset[2]) {
        MatrixMultiply(or.axis, parent->axis, tempAxis);

        for (i = 0; i < 3; i++) {
            VectorMA(entity->origin, attach_offset[i], tempAxis[i], entity->origin);
        }
    }

    VectorCopy(entity->origin, entity->oldorigin);

    if (use_angles) {
        MatrixMultiply(entity->axis, or.axis, tempAxis);
        MatrixMultiply(tempAxis, parent->axis, entity->axis);
    }

    entity->scale *= parent->scale;
    entity->renderfx |= (parent->renderfx & ~(RF_FLAGS_NOT_INHERITED | RF_LIGHTING_ORIGIN));

    MatrixTransformVectorRight(entity->axis, vDeltaLightOrg, vOrigin);
    VectorAdd(entity->origin, vOrigin, entity->lightingOrigin);
}

/*
===============
CG_AttachEyeEntity
===============
*/
void CG_AttachEyeEntity(
    refEntity_t *entity, refEntity_t *parent, dtiki_t *tiki, int tagnum, qboolean use_angles, vec_t *attach_offset
)
{
    int i;

    VectorCopy(cg.refdef.vieworg, entity->origin);

    if (use_angles) {
        AnglesToAxis(cg.refdefViewAngles, entity->axis);
    }

    if (attach_offset[0] || attach_offset[1] || attach_offset[2]) {
        for (i = 0; i < 3; i++) {
            VectorMA(entity->origin, attach_offset[i], entity->axis[i], entity->origin);
        }
    }

    VectorCopy(entity->origin, entity->oldorigin);
    entity->scale *= parent->scale;
    entity->renderfx |= (parent->renderfx & ~(RF_FLAGS_NOT_INHERITED | RF_LIGHTING_ORIGIN));
    VectorCopy(parent->lightingOrigin, entity->lightingOrigin);
}

/*
===============
CG_IsValidServerModel
===============
*/
qboolean CG_IsValidServerModel(const char *modelpath)
{
    const char *str;
    int         i;

    for (i = 1; i < MAX_MODELS; i++) {
        str = CG_ConfigString(CS_MODELS + i);
        if (!Q_stricmp(str, modelpath)) {
            return qtrue;
        }
    }

    return qfalse;
}

/*
===============
CG_CheckValidModels

This verifies the allied player model and the german player model:
- If they don't exist on the client, reset to the default allied player model
- If they don't exist on the server, don't allow forceModel so the client explicitly know the skin isn't supported
===============
*/
void CG_CheckValidModels()
{
    const char *modelpath;
    qboolean    isDirty = qfalse;

    if (dm_playermodel->modified) {
        // Check for allied model
        modelpath = va("models/player/%s.tik", dm_playermodel->string);
        if (!cgi.R_RegisterModel(modelpath)) {
            cgi.Printf(
                "Allied model '%s' is invalid, resetting to '%s'\n", dm_playermodel->string, dm_playermodel->resetString
            );

            cgi.Cvar_Set("dm_playermodel", dm_playermodel->resetString);
            modelpath = va("models/player/%s.tik", dm_playermodel->string);
        }

        cg.serverAlliedModelValid = CG_IsValidServerModel(modelpath);
    }

    if (dm_playergermanmodel->modified) {
        // Check for axis model
        modelpath = va("models/player/%s.tik", dm_playergermanmodel->string);
        if (!cgi.R_RegisterModel(modelpath)) {
            cgi.Printf(
                "Allied model '%s' is invalid, resetting to '%s'\n",
                dm_playergermanmodel->string,
                dm_playergermanmodel->resetString
            );

            cgi.Cvar_Set("dm_playergermanmodel", dm_playergermanmodel->resetString);
            modelpath = va("models/player/%s.tik", dm_playergermanmodel->string);
        }

        cg.serverAxisModelValid = CG_IsValidServerModel(modelpath);
    }

    if (dm_playermodel->modified || dm_playergermanmodel->modified) {
        cg_forceModelAllowed = cg.serverAlliedModelValid && cg.serverAxisModelValid;
    }
}

/*
===============
CG_ServerModelLoaded
===============
*/
void CG_ServerModelLoaded(const char *name, qhandle_t handle)
{
    if (!Q_stricmpn(name, "models/player/", 14) && (!cg.serverAlliedModelValid || !cg.serverAxisModelValid)) {
        char modelName[MAX_QPATH];
        COM_StripExtension(name + 14, modelName, sizeof(modelName));

        //
        // The player model has been loaded on the server
        // so try again parsing
        //
        if (!Q_stricmp(modelName, dm_playermodel->string)) {
            dm_playermodel->modified = qtrue;
        }
        if (!Q_stricmp(modelName, dm_playergermanmodel->string)) {
            dm_playergermanmodel->modified = qtrue;
        }
    }
}

/*
===============
CG_ServerModelUnloaded
===============
*/
void CG_ServerModelUnloaded(qhandle_t handle)
{
#if 0
    if (cg.serverAlliedModelValid && handle == cg.hAlliedPlayerModelHandle) {
        dm_playermodel->modified = qtrue;
    }
    if (cg.serverAxisModelValid && handle == cg.hAxisPlayerModelHandle) {
        dm_playergermanmodel->modified = qtrue;
    }
#endif
}

/*
===============
CG_UpdateForceModels
===============
*/
void CG_UpdateForceModels()
{
    qhandle_t hModel;
    char     *pszAlliesPartial;
    char     *pszAxisPartial;
    char      szAlliesModel[256];
    char      szAxisModel[256];
    qboolean  isDirty;

    isDirty = dm_playermodel->modified || dm_playergermanmodel->modified || cg_forceModel->modified;

    if (!cg_forceModelAllowed) {
        if (isDirty) {
            cgi.Printf(
                "One or more of the selected players model don't exist on the server or are not loaded, using the "
                "default skin\n"
            );
        }

        return;
    }

    if (cg.pAlliedPlayerModel && cg.pAxisPlayerModel && !isDirty) {
        return;
    }

    pszAlliesPartial = dm_playermodel->string;
    pszAxisPartial   = dm_playergermanmodel->string;

    Com_sprintf(szAlliesModel, sizeof(szAlliesModel), "models/player/%s.tik", pszAlliesPartial);
    Com_sprintf(szAxisModel, sizeof(szAxisModel), "models/player/%s.tik", pszAxisPartial);

    hModel = cg.serverAlliedModelValid ? cgi.R_RegisterModel(szAlliesModel) : 0;
    if (!hModel) {
        Com_sprintf(szAlliesModel, sizeof(szAlliesModel), "models/player/%s.tik", dm_playermodel->resetString);
        hModel = cgi.R_RegisterModel(szAlliesModel);
    }

    if (hModel) {
        cg.hAlliedPlayerModelHandle = hModel;
        cg.pAlliedPlayerModel       = cgi.R_Model_GetHandle(hModel);
        if (!cg.pAlliedPlayerModel) {
            cg.hAlliedPlayerModelHandle = 0;
        }
    } else {
        cg.hAlliedPlayerModelHandle = 0;
        cg.pAlliedPlayerModel       = NULL;
    }

    hModel = cg.serverAxisModelValid ? cgi.R_RegisterModel(szAxisModel) : 0;
    if (!hModel) {
        Com_sprintf(szAxisModel, sizeof(szAxisModel), "models/player/%s.tik", dm_playergermanmodel->resetString);
        hModel = cgi.R_RegisterModel(szAxisModel);
    }

    if (hModel) {
        cg.hAxisPlayerModelHandle = hModel;
        cg.pAxisPlayerModel       = cgi.R_Model_GetHandle(hModel);
        if (!cg.pAxisPlayerModel) {
            cg.hAxisPlayerModelHandle = 0;
        }
    } else {
        cg.hAxisPlayerModelHandle = 0;
        cg.pAxisPlayerModel       = 0;
    }

    // Clear modified flag
    //dm_playermodel->modified       = qfalse;
    //dm_playergermanmodel->modified = qfalse;
}

/*
===============
CG_ProcessPlayerModel

Checks player models, and update force models
===============
*/
void CG_ProcessPlayerModel()
{
    CG_CheckValidModels();
    if (cg_forceModel->integer) {
        CG_UpdateForceModels();
    }

    // Clear modified flag
    dm_playermodel->modified       = qfalse;
    dm_playergermanmodel->modified = qfalse;
    cg_forceModel->modified        = qfalse;
}

/*
===============
CG_ModelAnim
===============
*/
void CG_ModelAnim(centity_t *cent, qboolean bDoShaderTime)
{
    entityState_t *s1;
    entityState_t *sNext = NULL;
    refEntity_t    model;
    int            i;
    vec3_t         vMins, vMaxs, vTmp;
    const char    *szTagName;
    int            iAnimFlags;

    s1 = &cent->currentState;

    if ((cg.snap->ps.pm_flags & PMF_INTERMISSION) && s1->number == cg.snap->ps.clientNum && !cg_3rd_person->integer) {
        // don't render if in intermission and the client is self without 3rd person
        return;
    }

    memset(&model, 0, sizeof(model));

    if (cent->interpolate) {
        sNext = &cent->nextState;
    }

    // add loop sound only if it is not attached
    if (s1->loopSound && (s1->parent == ENTITYNUM_NONE)) {
        cgi.S_AddLoopingSound(
            cent->lerpOrigin,
            vec3_origin,
            cgs.sound_precache[s1->loopSound],
            s1->loopSoundVolume,
            s1->loopSoundMinDist,
            s1->loopSoundMaxDist,
            s1->loopSoundPitch,
            s1->loopSoundFlags
        );
    }

    if (cent->tikiLoopSound && (s1->parent == ENTITYNUM_NONE)) {
        cgi.S_AddLoopingSound(
            cent->lerpOrigin,
            vec3_origin,
            cent->tikiLoopSound,
            cent->tikiLoopSoundVolume,
            cent->tikiLoopSoundMinDist,
            cent->tikiLoopSoundMaxDist,
            cent->tikiLoopSoundPitch,
            cent->tikiLoopSoundFlags
        );
    }

    if (s1->renderfx & RF_SKYORIGIN) {
        AnglesToAxis(cent->lerpAngles, cg.sky_axis);
        VectorCopy(cent->lerpOrigin, cg.sky_origin);
    }

    // if set to invisible, skip
    if (!s1->modelindex) {
        return;
    }

    // set the entity number
    model.entityNumber = s1->number;

    // take the results of CL_InterpolateEntities
    VectorCopy(cent->lerpOrigin, model.origin);
    VectorCopy(cent->lerpOrigin, model.oldorigin);

    IntegerToBoundingBox(s1->solid, vMins, vMaxs);
    // calculate the light origin
    VectorAdd(vMins, vMaxs, vTmp);
    VectorMA(model.origin, 0.5, vTmp, model.lightingOrigin);
    // calculate the radius
    VectorSubtract(vMins, vMaxs, vTmp);
    model.radius = VectorLength(vTmp) * 0.5;

    if (s1->number == cg.snap->ps.clientNum) {
        if (!cg_3rd_person->integer) {
            PmoveAdjustAngleSettings_Client(
                cg.refdefViewAngles, cent->lerpAngles, &cg.predicted_player_state, &cent->currentState
            );
        }

        model.bone_quat = s1->bone_quat;
        model.bone_tag  = s1->bone_tag;
    } else {
        for (i = 0; i < NUM_BONE_CONTROLLERS; i++) {
            if (s1->bone_tag[i] >= 0) {
                if ((cent->interpolate) && (cent->nextState.bone_tag[i] == s1->bone_tag[i])) {
                    SlerpQuaternion(
                        s1->bone_quat[i], cent->nextState.bone_quat[i], cg.frameInterpolation, cent->bone_quat[i]
                    );
                } else {
                    cent->bone_quat[i][0] = s1->bone_quat[i][0];
                    cent->bone_quat[i][1] = s1->bone_quat[i][1];
                    cent->bone_quat[i][2] = s1->bone_quat[i][2];
                    cent->bone_quat[i][3] = s1->bone_quat[i][3];
                }
            }
        }

        model.bone_quat = cent->bone_quat;
        model.bone_tag  = s1->bone_tag;
    }

    // convert angles to axis
    AnglesToAxis(cent->lerpAngles, model.axis);

    // copy shader specific data
    if (s1->shader_data[0]) {
        model.shader_data[0] = s1->shader_data[0];
    } else {
        model.shader_data[0] = s1->tag_num;
    }

    if (s1->shader_data[1]) {
        model.shader_data[1] = s1->shader_data[1];
    } else {
        model.shader_data[1] = s1->skinNum;
    }

    if (bDoShaderTime) {
        if (cent->interpolate) {
            model.shaderTime =
                s1->shader_time + (sNext->shader_time - s1->shader_time) * cg.frameInterpolation + cg.time / 1000.0;
        } else {
            model.shaderTime = cg.time / 1000.0 + s1->shader_time;
        }
    }

    // Interpolated state variables
    if (cent->interpolate) {
        model.scale = s1->scale + cg.frameInterpolation * (cent->nextState.scale - s1->scale);
    } else {
        model.scale = s1->scale;
    }

    model.hOldModel = 0;
    model.tiki      = cgi.R_Model_GetHandle(cgs.model_draw[s1->modelindex]);

    if (s1->number != cg.snap->ps.clientNum && (s1->eType == ET_PLAYER || (s1->eFlags & EF_DEAD))) {
        if (cg_forceModel->integer && cg_forceModelAllowed) {
            //CG_UpdateForceModels();

            if (s1->eFlags & EF_AXIS) {
                model.hModel = cg.hAxisPlayerModelHandle;
                model.tiki   = cg.pAxisPlayerModel;
            } else {
                model.hModel = cg.hAlliedPlayerModelHandle;
                model.tiki   = cg.pAlliedPlayerModel;
            }

            if (model.hModel && model.tiki) {
                model.hOldModel = cgs.model_draw[s1->modelindex];
            } else {
                // fallback to non-forced model
                model.tiki   = cgi.R_Model_GetHandle(cgs.model_draw[s1->modelindex]);
                model.hModel = cgs.model_draw[s1->modelindex];
            }
        } else {
            model.hModel = cgs.model_draw[s1->modelindex];
        }

        if (!model.hModel || !model.tiki) {
            // Use a model in case it still doesn't exist
            if (s1->eFlags & EF_AXIS) {
                model.hModel = cgi.R_RegisterModel(CG_GetPlayerModelTiki(dm_playergermanmodel->resetString));
            } else {
                model.hModel = cgi.R_RegisterModel(CG_GetPlayerModelTiki(dm_playermodel->resetString));
            }
            model.tiki      = cgi.R_Model_GetHandle(model.hModel);
            model.hOldModel = cgs.model_draw[s1->modelindex];
        }
    } else {
        model.hModel = cgs.model_draw[s1->modelindex];
    }

    if (!model.tiki) {
        // still no model
        return;
    }

    // set skin
    model.skinNum = s1->skinNum;
    model.renderfx |= s1->renderfx;
    cgi.TIKI_SetEyeTargetPos(model.tiki, model.entityNumber, s1->eyeVector);

    CG_InterpolateAnimParms(s1, sNext, &model);

    if (cent->currentState.parent != ENTITYNUM_NONE) {
        int          iTagNum;
        refEntity_t *parent;
        dtiki_t     *tiki;

        parent = cgi.R_GetRenderEntity(cent->currentState.parent);
        if (!parent) {
            if (developer->integer > 1) {
                cgi.DPrintf("CG_ModelAnim: Could not find parent entity\n");
            }

            return;
        }

        if (s1->parent != cg.snap->ps.clientNum || cg_3rd_person->integer) {
            // attach the model to the world model
            if (parent->hOldModel) {
                tiki      = cgi.R_Model_GetHandle(parent->hOldModel);
                szTagName = cgi.Tag_NameForNum(tiki, s1->tag_num & TAG_MASK);
                tiki      = cgi.R_Model_GetHandle(parent->hModel);
                iTagNum   = cgi.Tag_NumForName(tiki, szTagName);
            } else {
                tiki    = cgi.R_Model_GetHandle(parent->hModel);
                iTagNum = s1->tag_num;
            }

            CG_AttachEntity(&model, parent, tiki, iTagNum & TAG_MASK, s1->attach_use_angles, s1->attach_offset);
        } else {
            tiki = cg.pPlayerFPSModel;

            // attach to the first person model
            if (cg.pLastPlayerWorldModel) {
                szTagName = cgi.Tag_NameForNum(cg.pLastPlayerWorldModel, s1->tag_num & TAG_MASK);
            } else {
                szTagName = cgi.Tag_NameForNum(tiki, s1->tag_num & TAG_MASK);
            }

            if (!Q_stricmp(szTagName, "eyes bone")) {
                iTagNum = cgi.Tag_NumForName(tiki, szTagName);
                CG_AttachEyeEntity(&model, parent, tiki, iTagNum & TAG_MASK, s1->attach_use_angles, s1->attach_offset);
            } else if (!Q_stricmp(szTagName, "tag_weapon_right") || !Q_stricmp(szTagName, "tag_weapon_left")) {
                iTagNum = cgi.Tag_NumForName(tiki, szTagName);
                CG_AttachEntity(&model, parent, tiki, iTagNum & TAG_MASK, s1->attach_use_angles, s1->attach_offset);
            } else {
                // Don't show the model at all
                return;
            }
        }

        if (s1->loopSound) {
            cgi.S_AddLoopingSound(
                model.origin,
                vec3_origin,
                cgs.sound_precache[s1->loopSound],
                s1->loopSoundVolume,
                s1->loopSoundMinDist,
                s1->loopSoundMaxDist,
                s1->loopSoundPitch,
                s1->loopSoundFlags
            );
        }

        if (cent->tikiLoopSound) {
            cgi.S_AddLoopingSound(
                cent->lerpOrigin,
                vec3_origin,
                cent->tikiLoopSound,
                cent->tikiLoopSoundVolume,
                cent->tikiLoopSoundMinDist,
                cent->tikiLoopSoundMaxDist,
                cent->tikiLoopSoundPitch,
                cent->tikiLoopSoundFlags
            );
        }

        // set the attached model to have the same render FX
        model.renderfx &= ~(RF_THIRD_PERSON | RF_THIRD_PERSON | RF_DEPTHHACK);
        model.renderfx |= parent->renderfx & (RF_THIRD_PERSON | RF_THIRD_PERSON | RF_DEPTHHACK);
    }

    for (i = 0; i < 3; i++) {
        model.shaderRGBA[i] = cent->color[i] * 255;
    }
    model.shaderRGBA[3] = s1->alpha * 255;

    // set surfaces
    memcpy(model.surfaces, s1->surfaces, MAX_MODEL_SURFACES);

    if (!(s1->renderfx & RF_VIEWMODEL) && s1->parent != ENTITYNUM_NONE && s1->parent == cg.snap->ps.clientNum
        && ((!cg_drawviewmodel->integer && !cg_3rd_person->integer) || cg.snap->ps.stats[STAT_INZOOM])) {
        // hide all surfaces while zooming or if the viewmodel shouldn't be shown
        for (i = 0; i < MAX_MODEL_SURFACES; i++) {
            model.surfaces[i] |= MDL_SURFACE_NODRAW;
        }
    }

    if (!(s1->renderfx & RF_DONTDRAW) && (model.renderfx & RF_SHADOW)) {
        // add the shadow
        CG_EntityShadow(cent, &model);
    }

    iAnimFlags = 0;

    // combine anim flags from all frame infos
    for (i = 0; i < MAX_FRAMEINFOS; i++) {
        if (model.frameInfo[i].weight && model.frameInfo[i].index >= 0) {
            iAnimFlags |= cgi.Anim_Flags(model.tiki, model.frameInfo[i].index);
        }
    }

    if (iAnimFlags & TAF_AUTOSTEPS) {
        int iTagNum;
        // Automatically calculate the footsteps sounds

        if (cent->bFootOnGround_Right) {
            iTagNum = cgi.Tag_NumForName(model.tiki, "Bip01 R Foot");
            if (iTagNum >= 0) {
                cent->bFootOnGround_Right = cgi.TIKI_IsOnGround(&model, iTagNum, 13.653847f);
            } else {
                cent->bFootOnGround_Right = qtrue;
            }
        } else {
            iTagNum = cgi.Tag_NumForName(model.tiki, "Bip01 R Foot");
            if (iTagNum >= 0) {
                if (cgi.TIKI_IsOnGround(&model, iTagNum, 13.461539f)) {
                    CG_Footstep(
                        "Bip01 R Foot",
                        cent,
                        &model,
                        (iAnimFlags & TAF_AUTOSTEPS_RUNNING),
                        (iAnimFlags & TAF_AUTOSTEPS_EQUIPMENT)
                    );
                    cent->bFootOnGround_Right = qtrue;
                }
            } else {
                cent->bFootOnGround_Right = qtrue;
            }
        }

        if (cent->bFootOnGround_Left) {
            iTagNum = cgi.Tag_NumForName(model.tiki, "Bip01 L Foot");
            if (iTagNum >= 0) {
                cent->bFootOnGround_Left = cgi.TIKI_IsOnGround(&model, iTagNum, 13.653847f);
            } else {
                cent->bFootOnGround_Left = qtrue;
            }
        } else {
            iTagNum = cgi.Tag_NumForName(model.tiki, "Bip01 L Foot");
            if (iTagNum >= 0) {
                if (cgi.TIKI_IsOnGround(&model, iTagNum, 13.461539f)) {
                    CG_Footstep(
                        "Bip01 L Foot",
                        cent,
                        &model,
                        (iAnimFlags & TAF_AUTOSTEPS_RUNNING),
                        (iAnimFlags & TAF_AUTOSTEPS_EQUIPMENT)
                    );

                    cent->bFootOnGround_Left = qtrue;
                }
            } else {
                cent->bFootOnGround_Left = qtrue;
            }
        }
    } else {
        cent->bFootOnGround_Left  = qtrue;
        cent->bFootOnGround_Right = qtrue;
    }

    if (cent->currentState.eType == ET_PLAYER && !(cent->currentState.eFlags & EF_DEAD)) {
        CG_PlayerTeamIcon(&model, &cent->currentState);
    }

    if (s1->number == cg.snap->ps.clientNum) {
        if ((!cg.bFPSModelLastFrame && !cg_3rd_person->integer) || (cg.bFPSModelLastFrame && cg_3rd_person->integer)) {
            // reset the animations when toggling 3rd person
            for (i = 0; i < MAX_FRAMEINFOS; i++) {
                cent->animLast[i] = -1;
            }

            cent->animLastWeight = 0;
            cent->usageIndexLast = 0;

            cg.bFPSModelLastFrame = !cg_3rd_person->integer;
        }

        // player footsteps, walking/falling
        if (cg.bFPSOnGround != cg.predicted_player_state.walking) {
            cg.bFPSOnGround = cg.predicted_player_state.walking;
            if (cg.predicted_player_state.walking) {
                CG_LandingSound(cent, &model, 1.0, 1);
            } else {
                if (cent->iNextLandTime < cg.time) {
                    CG_Footstep(0, cent, &model, 1, 1);
                }

                cent->iNextLandTime = cg.time + 200;
            }
        }

        if (!cg_3rd_person->integer) {
            // first person view

            if (!(cg.predicted_player_state.pm_flags & PMF_CAMERA_VIEW)
                && (cg.snap->ps.stats[STAT_HEALTH] <= 0 || cg_animationviewmodel->integer)) {
                // use world position for this case
                CG_OffsetFirstPersonView(&model, qtrue);
            }

            if (!cg.pLastPlayerWorldModel || cg.pLastPlayerWorldModel != model.tiki) {
                qhandle_t hModel;
                char      fpsname[128];

                COM_StripExtension(model.tiki->a->name, fpsname, sizeof(fpsname));
                Q_strcat(fpsname, sizeof(fpsname), "_fps.tik");

                hModel = cgi.R_RegisterModel(fpsname);
                if (hModel) {
                    cg.hPlayerFPSModelHandle = hModel;
                    cg.pPlayerFPSModel       = cgi.R_Model_GetHandle(hModel);
                    if (!cg.pPlayerFPSModel) {
                        cg.pPlayerFPSModel = model.tiki;
                    }
                } else {
                    if (cg.snap->ps.stats[STAT_TEAM] == TEAM_AXIS) {
                        hModel = cgi.R_RegisterModel(CG_GetPlayerLocalModelTiki(dm_playergermanmodel->resetString));
                    } else {
                        hModel = cgi.R_RegisterModel(CG_GetPlayerLocalModelTiki(dm_playermodel->resetString));
                    }

                    if (hModel) {
                        cg.hPlayerFPSModelHandle = hModel;
                        cg.pPlayerFPSModel       = cgi.R_Model_GetHandle(hModel);

                        if (!cg.pPlayerFPSModel) {
                            cg.pPlayerFPSModel = model.tiki;
                        }
                    } else {
                        cg.hPlayerFPSModelHandle = cgs.model_draw[s1->modelindex];
                        cg.pPlayerFPSModel       = model.tiki;
                    }
                }

                cg.pLastPlayerWorldModel = model.tiki;
            }

            model.tiki   = cg.pPlayerFPSModel;
            model.hModel = cg.hPlayerFPSModelHandle;
            memset(model.surfaces, 0, sizeof(model.surfaces));

            CG_ViewModelAnimation(&model);
            model.renderfx |= RF_FRAMELERP;
            cgi.ForceUpdatePose(&model);

            if ((cent->currentState.eFlags & EF_UNARMED) || cg_drawviewmodel->integer <= 1
                || cg.snap->ps.stats[STAT_INZOOM] || cg.snap->ps.stats[STAT_HEALTH] <= 0) {
                // unarmed or zooming, hide the arms
                for (i = 0; i < MAX_MODEL_SURFACES; i++) {
                    model.surfaces[i] |= MDL_SURFACE_NODRAW;
                }
            } else {
                // show/hide the garand hand depending if it's a rifle or not
                // so the hand can hold the rifle correctly

                const char *weaponstring = "";
                int         iSurfaceNum;

                if (cg.snap->ps.activeItems[1] >= 0) {
                    weaponstring = CG_ConfigString(CS_WEAPONS + cg.snap->ps.activeItems[1]);
                }

                if (!Q_stricmp(weaponstring, "M1 Garand") || !Q_stricmp(weaponstring, "Springfield '03 Sniper")
                    || !Q_stricmp(weaponstring, "Mauser KAR 98K") || !Q_stricmp(weaponstring, "KAR98 - Sniper")) {
                    // show the garand hands

                    iSurfaceNum = cgi.Surface_NameToNum(model.tiki, "lefthand");
                    if (iSurfaceNum >= 0) {
                        model.surfaces[iSurfaceNum] |= MDL_SURFACE_NODRAW;
                    }

                    iSurfaceNum = cgi.Surface_NameToNum(model.tiki, "garandhand");
                    if (iSurfaceNum >= 0) {
                        model.surfaces[iSurfaceNum] &= ~MDL_SURFACE_NODRAW;
                    }
                } else {
                    // hide the garand hands

                    iSurfaceNum = cgi.Surface_NameToNum(model.tiki, "garandhand");
                    if (iSurfaceNum >= 0) {
                        model.surfaces[iSurfaceNum] |= MDL_SURFACE_NODRAW;
                    }

                    iSurfaceNum = cgi.Surface_NameToNum(model.tiki, "lefthand");
                    if (iSurfaceNum >= 0) {
                        model.surfaces[iSurfaceNum] &= ~MDL_SURFACE_NODRAW;
                    }
                }
            }

            if (!(s1->eFlags & EF_CLIMBWALL)) {
                // when the player is not climbing ladders show the entity
                model.renderfx |= RF_DEPTHHACK;
            }

            if (!(cg.predicted_player_state.pm_flags & PMF_CAMERA_VIEW)) {
                if (cg.snap->ps.stats[STAT_HEALTH] > 0 && !cg_animationviewmodel->integer) {
                    CG_OffsetFirstPersonView(&model, qfalse);
                }

                AnglesToAxis(cg.refdefViewAngles, cg.refdef.viewaxis);
            }

            model.renderfx &= ~(RF_FIRST_PERSON | RF_THIRD_PERSON);
            // set the first person render flag
            model.renderfx |= RF_FIRST_PERSON;
        }
    }

    model.reType = RT_MODEL;
    if (!(s1->renderfx & RF_DONTDRAW)) {
        cgi.R_Model_GetHandle(model.hModel);
        if (VectorCompare(model.origin, vec3_origin)) {
            VectorCopy(s1->origin, model.origin);
            AngleVectors(s1->angles, model.axis[0], model.axis[1], model.axis[2]);
        }

        // add to refresh list
        cgi.R_AddRefEntityToScene(&model, s1->parent);
    }

    CG_UpdateEntityEmitters(s1->number, &model, cent);

    if (s1->usageIndex == cent->usageIndexLast) {
        // process the exit commands of the last animations
        for (i = 0; i < MAX_FRAMEINFOS; i++) {
            if ((cent->animLastWeight >> i) & 1) {
                if (!model.frameInfo[i].weight || model.frameInfo[i].index != cent->animLast[i]) {
                    CG_ProcessEntityCommands(TIKI_FRAME_EXIT, cent->animLast[i], s1->number, &model, cent);
                }
            }
        }
    }

    for (i = 0; i < MAX_FRAMEINFOS; i++) {
        // process the entry commands of the current anim
        if (model.frameInfo[i].weight) {
            if (!((cent->animLastWeight >> i) & 1) || model.frameInfo[i].index != cent->animLast[i]) {
                CG_ProcessEntityCommands(TIKI_FRAME_ENTRY, model.frameInfo[i].index, s1->number, &model, cent);
                if (cent->animLastTimes[i] == -1) {
                    cent->animLast[i]      = model.frameInfo[i].index;
                    cent->animLastTimes[i] = model.frameInfo[i].time;
                } else {
                    cent->animLastTimes[i] = 0;
                }
            }

            CG_ClientCommands(&model, cent, i);
        }

        cent->animLastTimes[i] = model.frameInfo[i].time;
        cent->animLast[i]      = model.frameInfo[i].index;

        if (model.frameInfo[i].weight) {
            cent->animLastWeight |= 1 << i;
        } else {
            cent->animLastWeight &= ~(1 << i);
        }
    }

    cent->usageIndexLast = cent->currentState.usageIndex;
}