ref: 2053768a9251cbd4c731681a3e1e04c800ad21f4
dir: /src/heretic/p_user.c/
//
// 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.
//
// P_user.c
#include <stdlib.h>
#include "doomdef.h"
#include "deh_str.h"
#include "m_random.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;
boolean WeaponInShareware[] = {
true, // Staff
true, // Gold wand
true, // Crossbow
true, // Blaster
false, // Skull rod
false, // Phoenix rod
false, // Mace
true, // Gauntlets
true // Beak
};
/*
==================
=
= 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 (player->mo->subsector->sector->special == 15) // Friction_Low
{
player->mo->momx += FixedMul(move >> 2, finecosine[angle]);
player->mo->momy += FixedMul(move >> 2, 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->chickenTics)
{
player->viewz = player->mo->z + player->viewheight - (20 * FRACUNIT);
}
else
{
player->viewz = player->mo->z + player->viewheight + bob;
}
if (player->mo->flags2 & MF2_FEETARECLIPPED
&& player->playerstate != PST_DEAD
&& player->mo->z <= player->mo->floorz)
{
player->viewz -= FOOTCLIPSIZE;
}
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 (player->chickenTics)
{ // Chicken speed
if (cmd->forwardmove && (onground || player->mo->flags2 & MF2_FLY))
P_Thrust(player, player->mo->angle, cmd->forwardmove * 2500);
if (cmd->sidemove && (onground || player->mo->flags2 & MF2_FLY))
P_Thrust(player, player->mo->angle - ANG90, cmd->sidemove * 2500);
}
else
{ // Normal speed
if (cmd->forwardmove && (onground || player->mo->flags2 & MF2_FLY))
P_Thrust(player, player->mo->angle, cmd->forwardmove * 2048);
if (cmd->sidemove && (onground || player->mo->flags2 & MF2_FLY))
P_Thrust(player, player->mo->angle - ANG90, cmd->sidemove * 2048);
}
if (cmd->forwardmove || cmd->sidemove)
{
if (player->chickenTics)
{
if (player->mo->state == &states[S_CHICPLAY])
{
P_SetMobjState(player->mo, S_CHICPLAY_RUN1);
}
}
else
{
if (player->mo->state == &states[S_PLAY])
{
P_SetMobjState(player->mo, S_PLAY_RUN1);
}
}
}
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;
}
}
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
=
=================
*/
#define ANG5 (ANG90/18)
void P_DeathThink(player_t * player)
{
angle_t angle, delta;
int lookDelta;
P_MovePsprites(player);
onground = (player->mo->z <= player->mo->floorz);
if (player->mo->type == MT_BLOODYSKULL)
{ // Flying bloody skull
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
{ // Fall to ground
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)
{
angle = R_PointToAngle2(player->mo->x, player->mo->y,
player->attacker->x, player->attacker->y);
delta = angle - player->mo->angle;
if (delta < ANG5 || delta > (unsigned) -ANG5)
{ // Looking at killer, so fade damage flash down
player->mo->angle = angle;
if (player->damagecount)
{
player->damagecount--;
}
}
else if (delta < ANG180)
player->mo->angle += ANG5;
else
player->mo->angle -= ANG5;
}
else if (player->damagecount)
{
player->damagecount--;
}
if (player->cmd.buttons & BT_USE)
{
if (player == &players[consoleplayer])
{
I_SetPalette(W_CacheLumpName(DEH_String("PLAYPAL"), PU_CACHE));
inv_ptr = 0;
curpos = 0;
newtorch = 0;
newtorchdelta = 0;
}
player->playerstate = PST_REBORN;
// 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_ChickenPlayerThink
//
//----------------------------------------------------------------------------
void P_ChickenPlayerThink(player_t * player)
{
mobj_t *pmo;
if (player->health > 0)
{ // Handle beak movement
P_UpdateBeak(player, &player->psprites[ps_weapon]);
}
if (player->chickenTics & 15)
{
return;
}
pmo = player->mo;
if (!(pmo->momx + pmo->momy) && P_Random() < 160)
{ // Twitch view angle
pmo->angle += P_SubRandom() << 19;
}
if ((pmo->z <= pmo->floorz) && (P_Random() < 32))
{ // Jump and noise
pmo->momz += FRACUNIT;
P_SetMobjState(pmo, S_CHICPLAY_PAIN);
return;
}
if (P_Random() < 48)
{ // Just noise
S_StartSound(pmo, sfx_chicact);
}
}
//----------------------------------------------------------------------------
//
// 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_UndoPlayerChicken
//
//----------------------------------------------------------------------------
boolean P_UndoPlayerChicken(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;
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;
P_SetMobjState(pmo, S_FREETARGMOBJ);
mo = P_SpawnMobj(x, y, z, MT_PLAYER);
if (P_TestMobjLocation(mo) == false)
{ // Didn't fit
P_RemoveMobj(mo);
mo = P_SpawnMobj(x, y, z, MT_CHICPLAYER);
mo->angle = angle;
mo->health = player->health;
mo->special1.i = weapon;
mo->player = player;
mo->flags = oldFlags;
mo->flags2 = oldFlags2;
player->mo = mo;
player->chickenTics = 2 * 35;
return (false);
}
playerNum = P_GetPlayerNum(player);
if (playerNum != 0)
{ // Set color translation
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->chickenTics = 0;
player->powers[pw_weaponlevel2] = 0;
player->health = mo->health = MAXHEALTH;
player->mo = mo;
angle >>= ANGLETOFINESHIFT;
fog = P_SpawnMobj(x + 20 * finecosine[angle],
y + 20 * finesine[angle], z + TELEFOGHEIGHT, MT_TFOG);
S_StartSound(fog, sfx_telept);
P_PostChickenWeapon(player, weapon);
return (true);
}
//----------------------------------------------------------------------------
//
// PROC P_PlayerThink
//
//----------------------------------------------------------------------------
void P_PlayerThink(player_t * player)
{
ticcmd_t *cmd;
weapontype_t newweapon;
// 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)
{ // Refresh the screen when a message goes away
ultimatemsg = false; // clear out any chat messages.
BorderTopRefresh = true;
}
if (player->playerstate == PST_DEAD)
{
P_DeathThink(player);
return;
}
if (player->chickenTics)
{
P_ChickenPlayerThink(player);
}
// Handle movement
if (player->mo->reactiontime)
{ // Player is frozen
player->mo->reactiontime--;
}
else
{
P_MovePlayer(player);
}
P_CalcHeight(player);
if (player->mo->subsector->sector->special)
{
P_PlayerInSpecialSector(player);
}
if (cmd->arti)
{ // Use an artifact
if (cmd->arti == 0xff)
{
P_PlayerNextArtifact(player);
}
else
{
P_PlayerUseArtifact(player, cmd->arti);
}
}
// Check for weapon change
if (cmd->buttons & BT_SPECIAL)
{ // A special event has no other buttons
cmd->buttons = 0;
}
if (cmd->buttons & BT_CHANGE)
{
// 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 (newweapon == wp_staff && player->weaponowned[wp_gauntlets]
&& !(player->readyweapon == wp_gauntlets))
{
newweapon = wp_gauntlets;
}
if (player->weaponowned[newweapon]
&& newweapon != player->readyweapon)
{
if (WeaponInShareware[newweapon] || gamemode != shareware)
{
player->pendingweapon = newweapon;
}
}
}
// Check for use
if (cmd->buttons & BT_USE)
{
if (!player->usedown)
{
P_UseLines(player);
player->usedown = true;
}
}
else
{
player->usedown = false;
}
// Chicken counter
if (player->chickenTics)
{
if (player->chickenPeck)
{ // Chicken attack counter
player->chickenPeck -= 3;
}
if (!--player->chickenTics)
{ // Attempt to undo the chicken
P_UndoPlayerChicken(player);
}
}
// Cycle psprites
P_MovePsprites(player);
// Other Counters
if (player->powers[pw_invulnerability])
{
player->powers[pw_invulnerability]--;
}
if (player->powers[pw_invisibility])
{
if (!--player->powers[pw_invisibility])
{
player->mo->flags &= ~MF_SHADOW;
}
}
if (player->powers[pw_infrared])
{
player->powers[pw_infrared]--;
}
if (player->powers[pw_flight])
{
if (!--player->powers[pw_flight])
{
// haleyjd: removed externdriver crap
if (player->mo->z != player->mo->floorz)
{
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_weaponlevel2])
{
if (!--player->powers[pw_weaponlevel2])
{
if ((player->readyweapon == wp_phoenixrod)
&& (player->psprites[ps_weapon].state
!= &states[S_PHOENIXREADY])
&& (player->psprites[ps_weapon].state
!= &states[S_PHOENIXUP]))
{
P_SetPsprite(player, ps_weapon, S_PHOENIXREADY);
player->ammo[am_phoenixrod] -= USE_PHRD_AMMO_2;
player->refire = 0;
}
else if ((player->readyweapon == wp_gauntlets)
|| (player->readyweapon == wp_staff))
{
player->pendingweapon = player->readyweapon;
}
BorderTopRefresh = true;
}
}
if (player->damagecount)
{
player->damagecount--;
}
if (player->bonuscount)
{
player->bonuscount--;
}
// 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].x << FRACBITS;
destY = playerstarts[0].y << FRACBITS;
destAngle = ANG45 * (playerstarts[0].angle / 45);
}
P_Teleport(player->mo, destX, destY, destAngle);
S_StartSound(NULL, sfx_wpnup); // Full volume laugh
}
//----------------------------------------------------------------------------
//
// 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])
{
S_StartSound(NULL, sfx_artiuse);
ArtifactFlash = 4;
}
}
else
{ // Unable to use artifact, advance pointer
P_PlayerNextArtifact(player);
}
break;
}
}
}
//----------------------------------------------------------------------------
//
// FUNC P_UseArtifact
//
// Returns true if artifact was used.
//
//----------------------------------------------------------------------------
boolean P_UseArtifact(player_t * player, artitype_t arti)
{
mobj_t *mo;
angle_t angle;
switch (arti)
{
case arti_invulnerability:
if (!P_GivePower(player, pw_invulnerability))
{
return (false);
}
break;
case arti_invisibility:
if (!P_GivePower(player, pw_invisibility))
{
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_tomeofpower:
if (player->chickenTics)
{ // Attempt to undo chicken
if (P_UndoPlayerChicken(player) == false)
{ // Failed
P_DamageMobj(player->mo, NULL, NULL, 10000);
}
else
{ // Succeeded
player->chickenTics = 0;
S_StartSound(player->mo, sfx_wpnup);
}
}
else
{
if (!P_GivePower(player, pw_weaponlevel2))
{
return (false);
}
if (player->readyweapon == wp_staff)
{
P_SetPsprite(player, ps_weapon, S_STAFFREADY2_1);
}
else if (player->readyweapon == wp_gauntlets)
{
P_SetPsprite(player, ps_weapon, S_GAUNTLETREADY2_1);
}
}
break;
case arti_torch:
if (!P_GivePower(player, pw_infrared))
{
return (false);
}
break;
case arti_firebomb:
angle = player->mo->angle >> ANGLETOFINESHIFT;
// Vanilla bug here:
// Original code here looks like:
// (player->mo->flags2 & MF2_FEETARECLIPPED != 0),
// Which under C's operator precedence is:
// (player->mo->flags2 & (MF2_FEETARECLIPPED != 0)),
// Which simplifies to:
// (player->mo->flags2 & 1),
mo = P_SpawnMobj(player->mo->x + 24 * finecosine[angle],
player->mo->y + 24 * finesine[angle],
player->mo->z -
15 * FRACUNIT * (player->mo->flags2 & 1),
MT_FIREBOMB);
mo->target = player->mo;
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);
}
break;
case arti_teleport:
P_ArtiTele(player);
break;
default:
return (false);
}
return (true);
}