PlayerIcon.cpp

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/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  

Doom 3 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 3 of the License, or
(at your option) any later version.

Doom 3 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#include "../idlib/precompiled.h"
#pragma hdrstop

#include "Game_local.h"
#include "PlayerIcon.h"

static const char * iconKeys[ ICON_NONE ] = {
        "mtr_icon_lag",
        "mtr_icon_chat"
#ifdef CTF
        ,"mtr_icon_redteam",
        "mtr_icon_blueteam"
#endif
};

/*
===============
idPlayerIcon::idPlayerIcon
===============
*/
idPlayerIcon::idPlayerIcon() {
        iconHandle      = -1;
        iconType        = ICON_NONE;
}

/*
===============
idPlayerIcon::~idPlayerIcon
===============
*/
idPlayerIcon::~idPlayerIcon() {
        FreeIcon();
}

/*
===============
idPlayerIcon::Draw
===============
*/
void idPlayerIcon::Draw( idPlayer *player, jointHandle_t joint ) {
        idVec3 origin;
        idMat3 axis;

        if ( joint == INVALID_JOINT ) {
                FreeIcon();
                return;
        }

        player->GetJointWorldTransform( joint, gameLocal.time, origin, axis );
        origin.z += 16.0f;

        Draw( player, origin );
}

/*
===============
idPlayerIcon::Draw
===============
*/
void idPlayerIcon::Draw( idPlayer *player, const idVec3 &origin ) {
        idPlayer *localPlayer = gameLocal.GetLocalPlayer();
        if ( !localPlayer || !localPlayer->GetRenderView() ) {
                FreeIcon();
                return;
        }

        idMat3 axis = localPlayer->GetRenderView()->viewaxis;

        if ( player->isLagged && !player->spectating ) {
                // create the icon if necessary, or update if already created
                if ( !CreateIcon( player, ICON_LAG, origin, axis ) ) {
                        UpdateIcon( player, origin, axis );
                }
        } else if ( player->isChatting && !player->spectating ) {
                if ( !CreateIcon( player, ICON_CHAT, origin, axis ) ) {
                        UpdateIcon( player, origin, axis );
                }
#ifdef CTF
        } else if ( g_CTFArrows.GetBool() && gameLocal.mpGame.IsGametypeFlagBased() && gameLocal.GetLocalPlayer() && player->team == gameLocal.GetLocalPlayer()->team && !player->IsHidden() && !player->AI_DEAD ) {
                int icon = ICON_TEAM_RED + player->team;

                if ( icon != ICON_TEAM_RED && icon != ICON_TEAM_BLUE )
                        return;

                if ( !CreateIcon( player, ( playerIconType_t )icon, origin, axis ) ) {
                        UpdateIcon( player, origin, axis );
                }
#endif
        } else {
                FreeIcon();
        }
}

/*
===============
idPlayerIcon::FreeIcon
===============
*/
void idPlayerIcon::FreeIcon( void ) {
        if ( iconHandle != - 1 ) {
                gameRenderWorld->FreeEntityDef( iconHandle );
                iconHandle = -1;
        }
        iconType = ICON_NONE;
}

/*
===============
idPlayerIcon::CreateIcon
===============
*/
bool idPlayerIcon::CreateIcon( idPlayer *player, playerIconType_t type, const idVec3 &origin, const idMat3 &axis ) {
        assert( type != ICON_NONE );
        const char *mtr = player->spawnArgs.GetString( iconKeys[ type ], "_default" );
        return CreateIcon( player, type, mtr, origin, axis );
}

/*
===============
idPlayerIcon::CreateIcon
===============
*/
bool idPlayerIcon::CreateIcon( idPlayer *player, playerIconType_t type, const char *mtr, const idVec3 &origin, const idMat3 &axis ) {
        assert( type != ICON_NONE );

        if ( type == iconType ) {
                return false;
        }

        FreeIcon();

        memset( &renderEnt, 0, sizeof( renderEnt ) );
        renderEnt.origin        = origin;
        renderEnt.axis          = axis;
        renderEnt.shaderParms[ SHADERPARM_RED ]                         = 1.0f;
        renderEnt.shaderParms[ SHADERPARM_GREEN ]                       = 1.0f;
        renderEnt.shaderParms[ SHADERPARM_BLUE ]                        = 1.0f;
        renderEnt.shaderParms[ SHADERPARM_ALPHA ]                       = 1.0f;
        renderEnt.shaderParms[ SHADERPARM_SPRITE_WIDTH ]        = 16.0f;
        renderEnt.shaderParms[ SHADERPARM_SPRITE_HEIGHT ]       = 16.0f;
        renderEnt.hModel = renderModelManager->FindModel( "_sprite" );
        renderEnt.callback = NULL;
        renderEnt.numJoints = 0;
        renderEnt.joints = NULL;
        renderEnt.customSkin = 0;
        renderEnt.noShadow = true;
        renderEnt.noSelfShadow = true;
        renderEnt.customShader = declManager->FindMaterial( mtr );
        renderEnt.referenceShader = 0;
        renderEnt.bounds = renderEnt.hModel->Bounds( &renderEnt );

        iconHandle = gameRenderWorld->AddEntityDef( &renderEnt );
        iconType = type;

        return true;
}

/*
===============
idPlayerIcon::UpdateIcon
===============
*/
void idPlayerIcon::UpdateIcon( idPlayer *player, const idVec3 &origin, const idMat3 &axis ) {
        assert( iconHandle >= 0 );

        renderEnt.origin = origin;
        renderEnt.axis  = axis;
        gameRenderWorld->UpdateEntityDef( iconHandle, &renderEnt );
}