//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
// Copyright(C) 2005-2014 Simon Howard
//
// This program 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.
//
// This program 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.
//


#include "h2def.h"
#include "m_random.h"
#include "i_system.h"
#include "p_local.h"
#include "s_sound.h"

void P_PlayerNextArtifact(player_t * player);

// Macros

#define MAXBOB 0x100000         // 16 pixels of bob

// Data

boolean onground;
int newtorch;                   // used in the torch flicker effect.
int newtorchdelta;

int PStateNormal[NUMCLASSES] = {
    S_FPLAY,
    S_CPLAY,
    S_MPLAY,
    S_PIGPLAY
};

int PStateRun[NUMCLASSES] = {
    S_FPLAY_RUN1,
    S_CPLAY_RUN1,
    S_MPLAY_RUN1,
    S_PIGPLAY_RUN1
};

int PStateAttack[NUMCLASSES] = {
    S_FPLAY_ATK1,
    S_CPLAY_ATK1,
    S_MPLAY_ATK1,
    S_PIGPLAY_ATK1
};

int PStateAttackEnd[NUMCLASSES] = {
    S_FPLAY_ATK2,
    S_CPLAY_ATK3,
    S_MPLAY_ATK2,
    S_PIGPLAY_ATK1
};

int ArmorMax[NUMCLASSES] = { 20, 18, 16, 1 };

/*
==================
=
= P_Thrust
=
= moves the given origin along a given angle
=
==================
*/

void P_Thrust(player_t * player, angle_t angle, fixed_t move)
{
    angle >>= ANGLETOFINESHIFT;
    if (player->powers[pw_flight] && !(player->mo->z <= player->mo->floorz))
    {
        player->mo->momx += FixedMul(move, finecosine[angle]);
        player->mo->momy += FixedMul(move, finesine[angle]);
    }
    else if (P_GetThingFloorType(player->mo) == FLOOR_ICE)      // Friction_Low
    {
        player->mo->momx += FixedMul(move >> 1, finecosine[angle]);
        player->mo->momy += FixedMul(move >> 1, finesine[angle]);
    }
    else
    {
        player->mo->momx += FixedMul(move, finecosine[angle]);
        player->mo->momy += FixedMul(move, finesine[angle]);
    }
}


/*
==================
=
= P_CalcHeight
=
=Calculate the walking / running height adjustment
=
==================
*/

void P_CalcHeight(player_t * player)
{
    int angle;
    fixed_t bob;

//
// regular movement bobbing (needs to be calculated for gun swing even
// if not on ground)
// OPTIMIZE: tablify angle

    player->bob = FixedMul(player->mo->momx, player->mo->momx) +
        FixedMul(player->mo->momy, player->mo->momy);
    player->bob >>= 2;
    if (player->bob > MAXBOB)
        player->bob = MAXBOB;
    if (player->mo->flags2 & MF2_FLY && !onground)
    {
        player->bob = FRACUNIT / 2;
    }

    if ((player->cheats & CF_NOMOMENTUM))
    {
        player->viewz = player->mo->z + VIEWHEIGHT;
        if (player->viewz > player->mo->ceilingz - 4 * FRACUNIT)
            player->viewz = player->mo->ceilingz - 4 * FRACUNIT;
        player->viewz = player->mo->z + player->viewheight;
        return;
    }

    angle = (FINEANGLES / 20 * leveltime) & FINEMASK;
    bob = FixedMul(player->bob / 2, finesine[angle]);

//
// move viewheight
//
    if (player->playerstate == PST_LIVE)
    {
        player->viewheight += player->deltaviewheight;
        if (player->viewheight > VIEWHEIGHT)
        {
            player->viewheight = VIEWHEIGHT;
            player->deltaviewheight = 0;
        }
        if (player->viewheight < VIEWHEIGHT / 2)
        {
            player->viewheight = VIEWHEIGHT / 2;
            if (player->deltaviewheight <= 0)
                player->deltaviewheight = 1;
        }

        if (player->deltaviewheight)
        {
            player->deltaviewheight += FRACUNIT / 4;
            if (!player->deltaviewheight)
                player->deltaviewheight = 1;
        }
    }

    if (player->morphTics)
    {
        player->viewz = player->mo->z + player->viewheight - (20 * FRACUNIT);
    }
    else
    {
        player->viewz = player->mo->z + player->viewheight + bob;
    }
    if (player->mo->floorclip && player->playerstate != PST_DEAD
        && player->mo->z <= player->mo->floorz)
    {
        player->viewz -= player->mo->floorclip;
    }
    if (player->viewz > player->mo->ceilingz - 4 * FRACUNIT)
    {
        player->viewz = player->mo->ceilingz - 4 * FRACUNIT;
    }
    if (player->viewz < player->mo->floorz + 4 * FRACUNIT)
    {
        player->viewz = player->mo->floorz + 4 * FRACUNIT;
    }
}

/*
=================
=
= P_MovePlayer
=
=================
*/

void P_MovePlayer(player_t * player)
{
    int look;
    int fly;
    ticcmd_t *cmd;

    cmd = &player->cmd;
    player->mo->angle += (cmd->angleturn << 16);

    onground = (player->mo->z <= player->mo->floorz
                || (player->mo->flags2 & MF2_ONMOBJ));

    if (cmd->forwardmove)
    {
        if (onground || player->mo->flags2 & MF2_FLY)
        {
            P_Thrust(player, player->mo->angle, cmd->forwardmove * 2048);
        }
        else
        {
            P_Thrust(player, player->mo->angle, FRACUNIT >> 8);
        }
    }
    if (cmd->sidemove)
    {
        if (onground || player->mo->flags2 & MF2_FLY)
        {
            P_Thrust(player, player->mo->angle - ANG90, cmd->sidemove * 2048);
        }
        else
        {
            P_Thrust(player, player->mo->angle, FRACUNIT >> 8);
        }
    }
    if (cmd->forwardmove || cmd->sidemove)
    {
        if (player->mo->state == &states[PStateNormal[player->class]])
        {
            P_SetMobjState(player->mo, PStateRun[player->class]);
        }
    }

    look = cmd->lookfly & 15;
    if (look > 7)
    {
        look -= 16;
    }
    if (look)
    {
        if (look == TOCENTER)
        {
            player->centering = true;
        }
        else
        {
            player->lookdir += 5 * look;
            if (player->lookdir > 90 || player->lookdir < -110)
            {
                player->lookdir -= 5 * look;
            }
        }
    }
    if (player->centering)
    {
        if (player->lookdir > 0)
        {
            player->lookdir -= 8;
        }
        else if (player->lookdir < 0)
        {
            player->lookdir += 8;
        }
        if (abs(player->lookdir) < 8)
        {
            player->lookdir = 0;
            player->centering = false;
        }
    }
    fly = cmd->lookfly >> 4;
    if (fly > 7)
    {
        fly -= 16;
    }
    if (fly && player->powers[pw_flight])
    {
        if (fly != TOCENTER)
        {
            player->flyheight = fly * 2;
            if (!(player->mo->flags2 & MF2_FLY))
            {
                player->mo->flags2 |= MF2_FLY;
                player->mo->flags |= MF_NOGRAVITY;
                if (player->mo->momz <= -39 * FRACUNIT)
                {               // stop falling scream
                    S_StopSound(player->mo);
                }
            }
        }
        else
        {
            player->mo->flags2 &= ~MF2_FLY;
            player->mo->flags &= ~MF_NOGRAVITY;
        }
    }
    else if (fly > 0)
    {
        P_PlayerUseArtifact(player, arti_fly);
    }
    if (player->mo->flags2 & MF2_FLY)
    {
        player->mo->momz = player->flyheight * FRACUNIT;
        if (player->flyheight)
        {
            player->flyheight /= 2;
        }
    }
}

//==========================================================================
//
// P_DeathThink
//
//==========================================================================

void P_DeathThink(player_t * player)
{
    int dir;
    angle_t delta;
    int lookDelta;

    P_MovePsprites(player);

    onground = (player->mo->z <= player->mo->floorz);
    if (player->mo->type == MT_BLOODYSKULL || player->mo->type == MT_ICECHUNK)
    {                           // Flying bloody skull or flying ice chunk
        player->viewheight = 6 * FRACUNIT;
        player->deltaviewheight = 0;
        //player->damagecount = 20;
        if (onground)
        {
            if (player->lookdir < 60)
            {
                lookDelta = (60 - player->lookdir) / 8;
                if (lookDelta < 1 && (leveltime & 1))
                {
                    lookDelta = 1;
                }
                else if (lookDelta > 6)
                {
                    lookDelta = 6;
                }
                player->lookdir += lookDelta;
            }
        }
    }
    else if (!(player->mo->flags2 & MF2_ICEDAMAGE))
    {                           // Fall to ground (if not frozen)
        player->deltaviewheight = 0;
        if (player->viewheight > 6 * FRACUNIT)
        {
            player->viewheight -= FRACUNIT;
        }
        if (player->viewheight < 6 * FRACUNIT)
        {
            player->viewheight = 6 * FRACUNIT;
        }
        if (player->lookdir > 0)
        {
            player->lookdir -= 6;
        }
        else if (player->lookdir < 0)
        {
            player->lookdir += 6;
        }
        if (abs(player->lookdir) < 6)
        {
            player->lookdir = 0;
        }
    }
    P_CalcHeight(player);

    if (player->attacker && player->attacker != player->mo)
    {                           // Watch killer
        dir = P_FaceMobj(player->mo, player->attacker, &delta);
        if (delta < ANG1 * 10)
        {                       // Looking at killer, so fade damage and poison counters
            if (player->damagecount)
            {
                player->damagecount--;
            }
            if (player->poisoncount)
            {
                player->poisoncount--;
            }
        }
        delta = delta / 8;
        if (delta > ANG1 * 5)
        {
            delta = ANG1 * 5;
        }
        if (dir)
        {                       // Turn clockwise
            player->mo->angle += delta;
        }
        else
        {                       // Turn counter clockwise
            player->mo->angle -= delta;
        }
    }
    else if (player->damagecount || player->poisoncount)
    {
        if (player->damagecount)
        {
            player->damagecount--;
        }
        else
        {
            player->poisoncount--;
        }
    }

    if (player->cmd.buttons & BT_USE)
    {
        if (player == &players[consoleplayer])
        {
            I_SetPalette((byte *) W_CacheLumpName("PLAYPAL", PU_CACHE));
            inv_ptr = 0;
            curpos = 0;
            newtorch = 0;
            newtorchdelta = 0;
        }
        player->playerstate = PST_REBORN;
        player->mo->special1.i = player->class;
        if (player->mo->special1.i > 2)
        {
            player->mo->special1.i = 0;
        }
        // Let the mobj know the player has entered the reborn state.  Some
        // mobjs need to know when it's ok to remove themselves.
        player->mo->special2.i = 666;
    }
}

//----------------------------------------------------------------------------
//
// PROC P_MorphPlayerThink
//
//----------------------------------------------------------------------------

void P_MorphPlayerThink(player_t * player)
{
    mobj_t *pmo;

    if (player->morphTics & 15)
    {
        return;
    }
    pmo = player->mo;
    if (!(pmo->momx + pmo->momy) && P_Random() < 64)
    {                           // Snout sniff
        P_SetPspriteNF(player, ps_weapon, S_SNOUTATK2);
        S_StartSound(pmo, SFX_PIG_ACTIVE1);     // snort
        return;
    }
    if (P_Random() < 48)
    {
        if (P_Random() < 128)
        {
            S_StartSound(pmo, SFX_PIG_ACTIVE1);
        }
        else
        {
            S_StartSound(pmo, SFX_PIG_ACTIVE2);
        }
    }
}

//----------------------------------------------------------------------------
//
// FUNC P_GetPlayerNum
//
//----------------------------------------------------------------------------

int P_GetPlayerNum(player_t * player)
{
    int i;

    for (i = 0; i < maxplayers; i++)
    {
        if (player == &players[i])
        {
            return (i);
        }
    }
    return (0);
}

//----------------------------------------------------------------------------
//
// FUNC P_UndoPlayerMorph
//
//----------------------------------------------------------------------------

boolean P_UndoPlayerMorph(player_t * player)
{
    mobj_t *fog;
    mobj_t *mo;
    mobj_t *pmo;
    fixed_t x;
    fixed_t y;
    fixed_t z;
    angle_t angle;
    int playerNum;
    weapontype_t weapon;
    int oldFlags;
    int oldFlags2;
    int oldBeast;

    pmo = player->mo;
    x = pmo->x;
    y = pmo->y;
    z = pmo->z;
    angle = pmo->angle;
    weapon = pmo->special1.i;
    oldFlags = pmo->flags;
    oldFlags2 = pmo->flags2;
    oldBeast = pmo->type;
    P_SetMobjState(pmo, S_FREETARGMOBJ);
    playerNum = P_GetPlayerNum(player);
    switch (PlayerClass[playerNum])
    {
        case PCLASS_FIGHTER:
            mo = P_SpawnMobj(x, y, z, MT_PLAYER_FIGHTER);
            break;
        case PCLASS_CLERIC:
            mo = P_SpawnMobj(x, y, z, MT_PLAYER_CLERIC);
            break;
        case PCLASS_MAGE:
            mo = P_SpawnMobj(x, y, z, MT_PLAYER_MAGE);
            break;
        default:
            I_Error("P_UndoPlayerMorph:  Unknown player class %d\n",
                    player->class);
            return false;
    }
    if (P_TestMobjLocation(mo) == false)
    {                           // Didn't fit
        P_RemoveMobj(mo);
        mo = P_SpawnMobj(x, y, z, oldBeast);
        mo->angle = angle;
        mo->health = player->health;
        mo->special1.i = weapon;
        mo->player = player;
        mo->flags = oldFlags;
        mo->flags2 = oldFlags2;
        player->mo = mo;
        player->morphTics = 2 * 35;
        return (false);
    }
    if (player->class == PCLASS_FIGHTER)
    {
        // The first type should be blue, and the third should be the
        // Fighter's original gold color
        if (playerNum == 0)
        {
            mo->flags |= 2 << MF_TRANSSHIFT;
        }
        else if (playerNum != 2)
        {
            mo->flags |= playerNum << MF_TRANSSHIFT;
        }
    }
    else if (playerNum)
    {                           // Set color translation bits for player sprites
        mo->flags |= playerNum << MF_TRANSSHIFT;
    }
    mo->angle = angle;
    mo->player = player;
    mo->reactiontime = 18;
    if (oldFlags2 & MF2_FLY)
    {
        mo->flags2 |= MF2_FLY;
        mo->flags |= MF_NOGRAVITY;
    }
    player->morphTics = 0;
    player->health = mo->health = MAXHEALTH;
    player->mo = mo;
    player->class = PlayerClass[playerNum];
    angle >>= ANGLETOFINESHIFT;
    fog = P_SpawnMobj(x + 20 * finecosine[angle],
                      y + 20 * finesine[angle], z + TELEFOGHEIGHT, MT_TFOG);
    S_StartSound(fog, SFX_TELEPORT);
    P_PostMorphWeapon(player, weapon);
    return (true);
}


//----------------------------------------------------------------------------
//
// PROC P_PlayerThink
//
//----------------------------------------------------------------------------

void P_PlayerThink(player_t * player)
{
    ticcmd_t *cmd;
    weapontype_t newweapon;
    int floorType;
    mobj_t *pmo;

    // No-clip cheat
    if (player->cheats & CF_NOCLIP)
    {
        player->mo->flags |= MF_NOCLIP;
    }
    else
    {
        player->mo->flags &= ~MF_NOCLIP;
    }
    cmd = &player->cmd;
    if (player->mo->flags & MF_JUSTATTACKED)
    {                           // Gauntlets attack auto forward motion
        cmd->angleturn = 0;
        cmd->forwardmove = 0xc800 / 512;
        cmd->sidemove = 0;
        player->mo->flags &= ~MF_JUSTATTACKED;
    }
// messageTics is above the rest of the counters so that messages will 
//              go away, even in death.
    player->messageTics--;      // Can go negative
    if (!player->messageTics || player->messageTics == -1)
    {                           // Refresh the screen when a message goes away
        player->ultimateMessage = false;        // clear out any chat messages.
        player->yellowMessage = false;
        if (player == &players[consoleplayer])
        {
            BorderTopRefresh = true;
        }
    }
    player->worldTimer++;
    if (player->playerstate == PST_DEAD)
    {
        P_DeathThink(player);
        return;
    }
    if (player->jumpTics)
    {
        player->jumpTics--;
    }
    if (player->morphTics)
    {
        P_MorphPlayerThink(player);
    }
    // Handle movement
    if (player->mo->reactiontime)
    {                           // Player is frozen
        player->mo->reactiontime--;
    }
    else
    {
        P_MovePlayer(player);
        pmo = player->mo;
        if (player->powers[pw_speed] && !(leveltime & 1)
            && P_AproxDistance(pmo->momx, pmo->momy) > 12 * FRACUNIT)
        {
            mobj_t *speedMo;
            int playerNum;

            speedMo = P_SpawnMobj(pmo->x, pmo->y, pmo->z, MT_PLAYER_SPEED);
            if (speedMo)
            {
                speedMo->angle = pmo->angle;
                playerNum = P_GetPlayerNum(player);
                if (player->class == PCLASS_FIGHTER)
                {
                    // The first type should be blue, and the 
                    // third should be the Fighter's original gold color
                    if (playerNum == 0)
                    {
                        speedMo->flags |= 2 << MF_TRANSSHIFT;
                    }
                    else if (playerNum != 2)
                    {
                        speedMo->flags |= playerNum << MF_TRANSSHIFT;
                    }
                }
                else if (playerNum)
                {               // Set color translation bits for player sprites
                    speedMo->flags |= playerNum << MF_TRANSSHIFT;
                }
                speedMo->target = pmo;
                speedMo->special1.i = player->class;
                if (speedMo->special1.i > 2)
                {
                    speedMo->special1.i = 0;
                }
                speedMo->sprite = pmo->sprite;
                speedMo->floorclip = pmo->floorclip;
                if (player == &players[consoleplayer])
                {
                    speedMo->flags2 |= MF2_DONTDRAW;
                }
            }
        }
    }
    P_CalcHeight(player);
    if (player->mo->subsector->sector->special)
    {
        P_PlayerInSpecialSector(player);
    }
    if ((floorType = P_GetThingFloorType(player->mo)) != FLOOR_SOLID)
    {
        P_PlayerOnSpecialFlat(player, floorType);
    }
    switch (player->class)
    {
        case PCLASS_FIGHTER:
            if (player->mo->momz <= -35 * FRACUNIT
                && player->mo->momz >= -40 * FRACUNIT && !player->morphTics
                && !S_GetSoundPlayingInfo(player->mo,
                                          SFX_PLAYER_FIGHTER_FALLING_SCREAM))
            {
                S_StartSound(player->mo, SFX_PLAYER_FIGHTER_FALLING_SCREAM);
            }
            break;
        case PCLASS_CLERIC:
            if (player->mo->momz <= -35 * FRACUNIT
                && player->mo->momz >= -40 * FRACUNIT && !player->morphTics
                && !S_GetSoundPlayingInfo(player->mo,
                                          SFX_PLAYER_CLERIC_FALLING_SCREAM))
            {
                S_StartSound(player->mo, SFX_PLAYER_CLERIC_FALLING_SCREAM);
            }
            break;
        case PCLASS_MAGE:
            if (player->mo->momz <= -35 * FRACUNIT
                && player->mo->momz >= -40 * FRACUNIT && !player->morphTics
                && !S_GetSoundPlayingInfo(player->mo,
                                          SFX_PLAYER_MAGE_FALLING_SCREAM))
            {
                S_StartSound(player->mo, SFX_PLAYER_MAGE_FALLING_SCREAM);
            }
            break;
        default:
            break;
    }
    if (cmd->arti)
    {                           // Use an artifact
        if ((cmd->arti & AFLAG_JUMP) && onground && !player->jumpTics)
        {
            if (player->morphTics)
            {
                player->mo->momz = 6 * FRACUNIT;
            }
            else
            {
                player->mo->momz = 9 * FRACUNIT;
            }
            player->mo->flags2 &= ~MF2_ONMOBJ;
            player->jumpTics = 18;
        }
        else if (cmd->arti & AFLAG_SUICIDE)
        {
            P_DamageMobj(player->mo, NULL, NULL, 10000);
        }
        if (cmd->arti == NUMARTIFACTS)
        {                       // use one of each artifact (except puzzle artifacts)
            int i;

            for (i = 1; i < arti_firstpuzzitem; i++)
            {
                P_PlayerUseArtifact(player, i);
            }
        }
        else
        {
            P_PlayerUseArtifact(player, cmd->arti & AFLAG_MASK);
        }
    }
    // Check for weapon change
    if (cmd->buttons & BT_SPECIAL)
    {                           // A special event has no other buttons
        cmd->buttons = 0;
    }
    if (cmd->buttons & BT_CHANGE && !player->morphTics)
    {
        // The actual changing of the weapon is done when the weapon
        // psprite can do it (A_WeaponReady), so it doesn't happen in
        // the middle of an attack.
        newweapon = (cmd->buttons & BT_WEAPONMASK) >> BT_WEAPONSHIFT;
        if (player->weaponowned[newweapon]
            && newweapon != player->readyweapon)
        {
            player->pendingweapon = newweapon;
        }
    }
    // Check for use
    if (cmd->buttons & BT_USE)
    {
        if (!player->usedown)
        {
            P_UseLines(player);
            player->usedown = true;
        }
    }
    else
    {
        player->usedown = false;
    }
    // Morph counter
    if (player->morphTics)
    {
        // OpenVMS port: "!--player->morphTics" split; see COMPILER_FIXES.TXT.
        --player->morphTics;

        if (player->morphTics == 0)
        {                       // Attempt to undo the pig
            P_UndoPlayerMorph(player);
        }
    }
    // Cycle psprites
    P_MovePsprites(player);
    // Other Counters
    if (player->powers[pw_invulnerability])
    {
        if (player->class == PCLASS_CLERIC)
        {
            if (!(leveltime & 7) && player->mo->flags & MF_SHADOW
                && !(player->mo->flags2 & MF2_DONTDRAW))
            {
                player->mo->flags &= ~MF_SHADOW;
                if (!(player->mo->flags & MF_ALTSHADOW))
                {
                    player->mo->flags2 |= MF2_DONTDRAW | MF2_NONSHOOTABLE;
                }
            }
            if (!(leveltime & 31))
            {
                if (player->mo->flags2 & MF2_DONTDRAW)
                {
                    if (!(player->mo->flags & MF_SHADOW))
                    {
                        player->mo->flags |= MF_SHADOW | MF_ALTSHADOW;
                    }
                    else
                    {
                        player->mo->flags2 &=
                            ~(MF2_DONTDRAW | MF2_NONSHOOTABLE);
                    }
                }
                else
                {
                    player->mo->flags |= MF_SHADOW;
                    player->mo->flags &= ~MF_ALTSHADOW;
                }
            }
        }
        if (!(--player->powers[pw_invulnerability]))
        {
            player->mo->flags2 &= ~(MF2_INVULNERABLE | MF2_REFLECTIVE);
            if (player->class == PCLASS_CLERIC)
            {
                player->mo->flags2 &= ~(MF2_DONTDRAW | MF2_NONSHOOTABLE);
                player->mo->flags &= ~(MF_SHADOW | MF_ALTSHADOW);
            }
        }
    }
    if (player->powers[pw_minotaur])
    {
        player->powers[pw_minotaur]--;
    }
    if (player->powers[pw_infrared])
    {
        player->powers[pw_infrared]--;
    }
    if (player->powers[pw_flight] && netgame)
    {
        // OpenVMS port: "!--player->powers[pw_flight]" split; see COMPILER_FIXES.TXT.
        --player->powers[pw_flight];

        if (player->powers[pw_flight] == 0)
        {
            if (player->mo->z != player->mo->floorz)
            {
                // haleyjd: removed externdriver crap
                player->centering = true;
            }
            player->mo->flags2 &= ~MF2_FLY;
            player->mo->flags &= ~MF_NOGRAVITY;
            BorderTopRefresh = true;    //make sure the sprite's cleared out
        }
    }
    if (player->powers[pw_speed])
    {
        player->powers[pw_speed]--;
    }
    if (player->damagecount)
    {
        player->damagecount--;
    }
    if (player->bonuscount)
    {
        player->bonuscount--;
    }
    if (player->poisoncount && !(leveltime & 15))
    {
        player->poisoncount -= 5;
        if (player->poisoncount < 0)
        {
            player->poisoncount = 0;
        }
        P_PoisonDamage(player, player->poisoner, 1, true);
    }
    // Colormaps
//      if(player->powers[pw_invulnerability])
//      {
//              if(player->powers[pw_invulnerability] > BLINKTHRESHOLD
//                      || (player->powers[pw_invulnerability]&8))
//              {
//                      player->fixedcolormap = INVERSECOLORMAP;
//              }
//              else
//              {
//                      player->fixedcolormap = 0;
//              }
//      }
//      else 
    if (player->powers[pw_infrared])
    {
        if (player->powers[pw_infrared] <= BLINKTHRESHOLD)
        {
            if (player->powers[pw_infrared] & 8)
            {
                player->fixedcolormap = 0;
            }
            else
            {
                player->fixedcolormap = 1;
            }
        }
        else if (!(leveltime & 16) && player == &players[consoleplayer])
        {
            if (newtorch)
            {
                if (player->fixedcolormap + newtorchdelta > 7
                    || player->fixedcolormap + newtorchdelta < 1
                    || newtorch == player->fixedcolormap)
                {
                    newtorch = 0;
                }
                else
                {
                    player->fixedcolormap += newtorchdelta;
                }
            }
            else
            {
                newtorch = (M_Random() & 7) + 1;
                newtorchdelta = (newtorch == player->fixedcolormap) ?
                    0 : ((newtorch > player->fixedcolormap) ? 1 : -1);
            }
        }
    }
    else
    {
        player->fixedcolormap = 0;
    }
}

//----------------------------------------------------------------------------
//
// PROC P_ArtiTele
//
//----------------------------------------------------------------------------

void P_ArtiTele(player_t * player)
{
    int i;
    int selections;
    fixed_t destX;
    fixed_t destY;
    angle_t destAngle;

    if (deathmatch)
    {
        selections = deathmatch_p - deathmatchstarts;
        i = P_Random() % selections;
        destX = deathmatchstarts[i].x << FRACBITS;
        destY = deathmatchstarts[i].y << FRACBITS;
        destAngle = ANG45 * (deathmatchstarts[i].angle / 45);
    }
    else
    {
        destX = playerstarts[0][0].x << FRACBITS;
        destY = playerstarts[0][0].y << FRACBITS;
        destAngle = ANG45 * (playerstarts[0][0].angle / 45);
    }
    P_Teleport(player->mo, destX, destY, destAngle, true);
    if (player->morphTics)
    {                           // Teleporting away will undo any morph effects (pig)
        P_UndoPlayerMorph(player);
    }
    //S_StartSound(NULL, sfx_wpnup); // Full volume laugh
}


//----------------------------------------------------------------------------
//
// PROC P_ArtiTeleportOther
//
//----------------------------------------------------------------------------

void P_ArtiTeleportOther(player_t * player)
{
    mobj_t *mo;

    mo = P_SpawnPlayerMissile(player->mo, MT_TELOTHER_FX1);
    if (mo)
    {
        mo->target = player->mo;
    }
}


void P_TeleportToPlayerStarts(mobj_t * victim)
{
    int i, selections = 0;
    fixed_t destX, destY;
    angle_t destAngle;

    for (i = 0; i < maxplayers; i++)
    {
        if (!playeringame[i])
            continue;
        selections++;
    }
    i = P_Random() % selections;
    destX = playerstarts[0][i].x << FRACBITS;
    destY = playerstarts[0][i].y << FRACBITS;
    destAngle = ANG45 * (playerstarts[0][i].angle / 45);
    P_Teleport(victim, destX, destY, destAngle, true);
    //S_StartSound(NULL, sfx_wpnup); // Full volume laugh
}

void P_TeleportToDeathmatchStarts(mobj_t * victim)
{
    int i, selections;
    fixed_t destX, destY;
    angle_t destAngle;

    selections = deathmatch_p - deathmatchstarts;
    if (selections)
    {
        i = P_Random() % selections;
        destX = deathmatchstarts[i].x << FRACBITS;
        destY = deathmatchstarts[i].y << FRACBITS;
        destAngle = ANG45 * (deathmatchstarts[i].angle / 45);
        P_Teleport(victim, destX, destY, destAngle, true);
        //S_StartSound(NULL, sfx_wpnup); // Full volume laugh
    }
    else
    {
        P_TeleportToPlayerStarts(victim);
    }
}



//----------------------------------------------------------------------------
//
// PROC P_TeleportOther
//
//----------------------------------------------------------------------------
void P_TeleportOther(mobj_t * victim)
{
    if (victim->player)
    {
        if (deathmatch)
            P_TeleportToDeathmatchStarts(victim);
        else
            P_TeleportToPlayerStarts(victim);
    }
    else
    {
        // If death action, run it upon teleport
        if (victim->flags & MF_COUNTKILL && victim->special)
        {
            P_RemoveMobjFromTIDList(victim);
            P_ExecuteLineSpecial(victim->special, victim->args,
                                 NULL, 0, victim);
            victim->special = 0;
        }

        // Send all monsters to deathmatch spots
        P_TeleportToDeathmatchStarts(victim);
    }
}



#define BLAST_RADIUS_DIST	255*FRACUNIT
#define BLAST_SPEED			20*FRACUNIT
#define BLAST_FULLSTRENGTH	255

void ResetBlasted(mobj_t * mo)
{
    mo->flags2 &= ~MF2_BLASTED;
    if (!(mo->flags & MF_ICECORPSE))
    {
        mo->flags2 &= ~MF2_SLIDE;
    }
}

void P_BlastMobj(mobj_t * source, mobj_t * victim, fixed_t strength)
{
    angle_t angle, ang;
    mobj_t *mo;
    fixed_t x, y, z;

    angle = R_PointToAngle2(source->x, source->y, victim->x, victim->y);
    angle >>= ANGLETOFINESHIFT;
    if (strength < BLAST_FULLSTRENGTH)
    {
        victim->momx = FixedMul(strength, finecosine[angle]);
        victim->momy = FixedMul(strength, finesine[angle]);
        if (victim->player)
        {
            // Players handled automatically
        }
        else
        {
            victim->flags2 |= MF2_SLIDE;
            victim->flags2 |= MF2_BLASTED;
        }
    }
    else                        // full strength blast from artifact
    {
        if (victim->flags & MF_MISSILE)
        {
            switch (victim->type)
            {
                case MT_SORCBALL1:     // don't blast sorcerer balls
                case MT_SORCBALL2:
                case MT_SORCBALL3:
                    return;
                    break;
                case MT_MSTAFF_FX2:    // Reflect to originator
                    victim->special1.m = victim->target;
                    victim->target = source;
                    break;
                default:
                    break;
            }
        }
        if (victim->type == MT_HOLY_FX)
        {
            if (victim->special1.m == source)
            {
                victim->special1.m = victim->target;
                victim->target = source;
            }
        }
        victim->momx = FixedMul(BLAST_SPEED, finecosine[angle]);
        victim->momy = FixedMul(BLAST_SPEED, finesine[angle]);

        // Spawn blast puff
        ang = R_PointToAngle2(victim->x, victim->y, source->x, source->y);
        ang >>= ANGLETOFINESHIFT;
        x = victim->x + FixedMul(victim->radius + FRACUNIT, finecosine[ang]);
        y = victim->y + FixedMul(victim->radius + FRACUNIT, finesine[ang]);
        z = victim->z - victim->floorclip + (victim->height >> 1);
        mo = P_SpawnMobj(x, y, z, MT_BLASTEFFECT);
        if (mo)
        {
            mo->momx = victim->momx;
            mo->momy = victim->momy;
        }

        if (victim->flags & MF_MISSILE)
        {
            victim->momz = 8 * FRACUNIT;
            mo->momz = victim->momz;
        }
        else
        {
            victim->momz = (1000 / victim->info->mass) << FRACBITS;
        }
        if (victim->player)
        {
            // Players handled automatically
        }
        else
        {
            victim->flags2 |= MF2_SLIDE;
            victim->flags2 |= MF2_BLASTED;
        }
    }
}


// Blast all mobj things away
void P_BlastRadius(player_t * player)
{
    mobj_t *mo;
    mobj_t *pmo = player->mo;
    thinker_t *think;
    fixed_t dist;

    S_StartSound(pmo, SFX_ARTIFACT_BLAST);
    P_NoiseAlert(player->mo, player->mo);

    for (think = thinkercap.next; think != &thinkercap; think = think->next)
    {
        if (think->function != P_MobjThinker)
        {                       // Not a mobj thinker
            continue;
        }
        mo = (mobj_t *) think;
        if ((mo == pmo) || (mo->flags2 & MF2_BOSS))
        {                       // Not a valid monster
            continue;
        }
        if ((mo->type == MT_POISONCLOUD) ||     // poison cloud
            (mo->type == MT_HOLY_FX) || // holy fx
            (mo->flags & MF_ICECORPSE)) // frozen corpse
        {
            // Let these special cases go
        }
        else if ((mo->flags & MF_COUNTKILL) && (mo->health <= 0))
        {
            continue;
        }
        else if (!(mo->flags & MF_COUNTKILL) &&
                 !(mo->player) && !(mo->flags & MF_MISSILE))
        {                       // Must be monster, player, or missile
            continue;
        }
        if (mo->flags2 & MF2_DORMANT)
        {
            continue;           // no dormant creatures
        }
        if ((mo->type == MT_WRAITHB) && (mo->flags2 & MF2_DONTDRAW))
        {
            continue;           // no underground wraiths
        }
        if ((mo->type == MT_SPLASHBASE) || (mo->type == MT_SPLASH))
        {
            continue;
        }
        if (mo->type == MT_SERPENT || mo->type == MT_SERPENTLEADER)
        {
            continue;
        }
        dist = P_AproxDistance(pmo->x - mo->x, pmo->y - mo->y);
        if (dist > BLAST_RADIUS_DIST)
        {                       // Out of range
            continue;
        }
        P_BlastMobj(pmo, mo, BLAST_FULLSTRENGTH);
    }
}


#define HEAL_RADIUS_DIST	255*FRACUNIT

// Do class specific effect for everyone in radius
boolean P_HealRadius(player_t * player)
{
    mobj_t *mo;
    mobj_t *pmo = player->mo;
    thinker_t *think;
    fixed_t dist;
    int effective = false;
    int amount;

    for (think = thinkercap.next; think != &thinkercap; think = think->next)
    {
        if (think->function != P_MobjThinker)
        {                       // Not a mobj thinker
            continue;
        }
        mo = (mobj_t *) think;

        if (!mo->player)
            continue;
        if (mo->health <= 0)
            continue;
        dist = P_AproxDistance(pmo->x - mo->x, pmo->y - mo->y);
        if (dist > HEAL_RADIUS_DIST)
        {                       // Out of range
            continue;
        }

        switch (player->class)
        {
            case PCLASS_FIGHTER:       // Radius armor boost
                if ((P_GiveArmor(mo->player, ARMOR_ARMOR, 1)) ||
                    (P_GiveArmor(mo->player, ARMOR_SHIELD, 1)) ||
                    (P_GiveArmor(mo->player, ARMOR_HELMET, 1)) ||
                    (P_GiveArmor(mo->player, ARMOR_AMULET, 1)))
                {
                    effective = true;
                    S_StartSound(mo, SFX_MYSTICINCANT);
                }
                break;
            case PCLASS_CLERIC:        // Radius heal
                amount = 50 + (P_Random() % 50);
                if (P_GiveBody(mo->player, amount))
                {
                    effective = true;
                    S_StartSound(mo, SFX_MYSTICINCANT);
                }
                break;
            case PCLASS_MAGE:  // Radius mana boost
                amount = 50 + (P_Random() % 50);
                if ((P_GiveMana(mo->player, MANA_1, amount)) ||
                    (P_GiveMana(mo->player, MANA_2, amount)))
                {
                    effective = true;
                    S_StartSound(mo, SFX_MYSTICINCANT);
                }
                break;
            case PCLASS_PIG:
            default:
                break;
        }
    }
    return (effective);
}


//----------------------------------------------------------------------------
//
// PROC P_PlayerNextArtifact
//
//----------------------------------------------------------------------------

void P_PlayerNextArtifact(player_t * player)
{
    if (player == &players[consoleplayer])
    {
        inv_ptr--;
        if (inv_ptr < 6)
        {
            curpos--;
            if (curpos < 0)
            {
                curpos = 0;
            }
        }
        if (inv_ptr < 0)
        {
            inv_ptr = player->inventorySlotNum - 1;
            if (inv_ptr < 6)
            {
                curpos = inv_ptr;
            }
            else
            {
                curpos = 6;
            }
        }
        player->readyArtifact = player->inventory[inv_ptr].type;
    }
}

//----------------------------------------------------------------------------
//
// PROC P_PlayerRemoveArtifact
//
//----------------------------------------------------------------------------

void P_PlayerRemoveArtifact(player_t * player, int slot)
{
    int i;

    player->artifactCount--;
    if (!(--player->inventory[slot].count))
    {                           // Used last of a type - compact the artifact list
        player->readyArtifact = arti_none;
        player->inventory[slot].type = arti_none;
        for (i = slot + 1; i < player->inventorySlotNum; i++)
        {
            player->inventory[i - 1] = player->inventory[i];
        }
        player->inventorySlotNum--;
        if (player == &players[consoleplayer])
        {                       // Set position markers and get next readyArtifact
            inv_ptr--;
            if (inv_ptr < 6)
            {
                curpos--;
                if (curpos < 0)
                {
                    curpos = 0;
                }
            }
            if (inv_ptr >= player->inventorySlotNum)
            {
                inv_ptr = player->inventorySlotNum - 1;
            }
            if (inv_ptr < 0)
            {
                inv_ptr = 0;
            }
            player->readyArtifact = player->inventory[inv_ptr].type;
        }
    }
}

//----------------------------------------------------------------------------
//
// PROC P_PlayerUseArtifact
//
//----------------------------------------------------------------------------

void P_PlayerUseArtifact(player_t * player, artitype_t arti)
{
    int i;

    for (i = 0; i < player->inventorySlotNum; i++)
    {
        if (player->inventory[i].type == arti)
        {                       // Found match - try to use
            if (P_UseArtifact(player, arti))
            {                   // Artifact was used - remove it from inventory
                P_PlayerRemoveArtifact(player, i);
                if (player == &players[consoleplayer])
                {
                    if (arti < arti_firstpuzzitem)
                    {
                        S_StartSound(NULL, SFX_ARTIFACT_USE);
                    }
                    else
                    {
                        S_StartSound(NULL, SFX_PUZZLE_SUCCESS);
                    }
                    ArtifactFlash = 4;
                }
            }
            else if (arti < arti_firstpuzzitem)
            {                   // Unable to use artifact, advance pointer
                P_PlayerNextArtifact(player);
            }
            break;
        }
    }
}

//==========================================================================
//
// P_UseArtifact
//
// Returns true if the artifact was used.
//
//==========================================================================

boolean P_UseArtifact(player_t * player, artitype_t arti)
{
    mobj_t *mo;
    angle_t angle;
    int i;
    int count;

    switch (arti)
    {
        case arti_invulnerability:
            if (!P_GivePower(player, pw_invulnerability))
            {
                return (false);
            }
            break;
        case arti_health:
            if (!P_GiveBody(player, 25))
            {
                return (false);
            }
            break;
        case arti_superhealth:
            if (!P_GiveBody(player, 100))
            {
                return (false);
            }
            break;
        case arti_healingradius:
            if (!P_HealRadius(player))
            {
                return (false);
            }
            break;
        case arti_torch:
            if (!P_GivePower(player, pw_infrared))
            {
                return (false);
            }
            break;
        case arti_egg:
            mo = player->mo;
            P_SpawnPlayerMissile(mo, MT_EGGFX);
            P_SPMAngle(mo, MT_EGGFX, mo->angle - (ANG45 / 6));
            P_SPMAngle(mo, MT_EGGFX, mo->angle + (ANG45 / 6));
            P_SPMAngle(mo, MT_EGGFX, mo->angle - (ANG45 / 3));
            P_SPMAngle(mo, MT_EGGFX, mo->angle + (ANG45 / 3));
            break;
        case arti_fly:
            if (!P_GivePower(player, pw_flight))
            {
                return (false);
            }
            if (player->mo->momz <= -35 * FRACUNIT)
            {                   // stop falling scream
                S_StopSound(player->mo);
            }
            break;
        case arti_summon:
            mo = P_SpawnPlayerMissile(player->mo, MT_SUMMON_FX);
            if (mo)
            {
                mo->target = player->mo;
                mo->special1.m = (player->mo);
                mo->momz = 5 * FRACUNIT;
            }
            break;
        case arti_teleport:
            P_ArtiTele(player);
            break;
        case arti_teleportother:
            P_ArtiTeleportOther(player);
            break;
        case arti_poisonbag:
            angle = player->mo->angle >> ANGLETOFINESHIFT;
            if (player->class == PCLASS_CLERIC)
            {
                mo = P_SpawnMobj(player->mo->x + 16 * finecosine[angle],
                                 player->mo->y + 24 * finesine[angle],
                                 player->mo->z - player->mo->floorclip +
                                 8 * FRACUNIT, MT_POISONBAG);
                if (mo)
                {
                    mo->target = player->mo;
                }
            }
            else if (player->class == PCLASS_MAGE)
            {
                mo = P_SpawnMobj(player->mo->x + 16 * finecosine[angle],
                                 player->mo->y + 24 * finesine[angle],
                                 player->mo->z - player->mo->floorclip +
                                 8 * FRACUNIT, MT_FIREBOMB);
                if (mo)
                {
                    mo->target = player->mo;
                }
            }
            else                // PCLASS_FIGHTER, obviously (also pig, not so obviously)
            {
                mo = P_SpawnMobj(player->mo->x, player->mo->y,
                                 player->mo->z - player->mo->floorclip +
                                 35 * FRACUNIT, MT_THROWINGBOMB);
                if (mo)
                {
                    mo->angle =
                        player->mo->angle + (((P_Random() & 7) - 4) << 24);
                    mo->momz =
                        4 * FRACUNIT + ((player->lookdir) << (FRACBITS - 4));
                    mo->z += player->lookdir << (FRACBITS - 4);
                    P_ThrustMobj(mo, mo->angle, mo->info->speed);
                    mo->momx += player->mo->momx >> 1;
                    mo->momy += player->mo->momy >> 1;
                    mo->target = player->mo;
                    mo->tics -= P_Random() & 3;
                    P_CheckMissileSpawn(mo);
                }
            }
            break;
        case arti_speed:
            if (!P_GivePower(player, pw_speed))
            {
                return (false);
            }
            break;
        case arti_boostmana:
            if (!P_GiveMana(player, MANA_1, MAX_MANA))
            {
                if (!P_GiveMana(player, MANA_2, MAX_MANA))
                {
                    return false;
                }

            }
            else
            {
                P_GiveMana(player, MANA_2, MAX_MANA);
            }
            break;
        case arti_boostarmor:
            count = 0;

            for (i = 0; i < NUMARMOR; i++)
            {
                count += P_GiveArmor(player, i, 1);     // 1 point per armor type
            }
            if (!count)
            {
                return false;
            }
            break;
        case arti_blastradius:
            P_BlastRadius(player);
            break;

        case arti_puzzskull:
        case arti_puzzgembig:
        case arti_puzzgemred:
        case arti_puzzgemgreen1:
        case arti_puzzgemgreen2:
        case arti_puzzgemblue1:
        case arti_puzzgemblue2:
        case arti_puzzbook1:
        case arti_puzzbook2:
        case arti_puzzskull2:
        case arti_puzzfweapon:
        case arti_puzzcweapon:
        case arti_puzzmweapon:
        case arti_puzzgear1:
        case arti_puzzgear2:
        case arti_puzzgear3:
        case arti_puzzgear4:
            if (P_UsePuzzleItem(player, arti - arti_firstpuzzitem))
            {
                return true;
            }
            else
            {
                P_SetYellowMessage(player, TXT_USEPUZZLEFAILED, false);
                return false;
            }
            break;
        default:
            return false;
    }
    return true;
}

//============================================================================
//
// A_SpeedFade
//
//============================================================================

void A_SpeedFade(mobj_t * actor)
{
    actor->flags |= MF_SHADOW;
    actor->flags &= ~MF_ALTSHADOW;
    actor->sprite = actor->target->sprite;
}
