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p_user.c
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p_user.c
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#include <stdlib.h>
#include "doomdef.h"
#include "d_think.h"
#include "p_pspr.h"
#include "doomstat.h"
#include "d_event.h"
#include "r_main.h"
#include "p_map.h"
#include "p_spec.h"
#include "p_user.h"
#define INVERSECOLORMAP 32
#define MAXBOB 0x100000
static boolean onground;
void P_Thrust(player_t *player, angle_t angle, int move)
{
angle >>= ANGLETOFINESHIFT;
player->mo->momx += FixedMul(move, finecosine[angle]);
player->mo->momy += FixedMul(move, finesine[angle]);
}
static void P_Bob(player_t *player, angle_t angle, int move)
{
player->momx += FixedMul(move, finecosine[angle >>= ANGLETOFINESHIFT]);
player->momy += FixedMul(move, finesine[angle]);
}
void P_CalcHeight(player_t *player)
{
int angle;
int bob;
player->bob = false ? (FixedMul(player->mo->momx, player->mo->momx) + FixedMul(player->mo->momy,player->mo->momy)) >> 2 : player_bobbing ? (FixedMul(player->momx, player->momx) + FixedMul(player->momy, player->momy)) >> 2 : 0;
if (player->bob > MAXBOB)
{
player->bob = MAXBOB;
}
if (!onground || 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;
return;
}
angle = (FINEANGLES / 20 * leveltime) & FINEMASK;
bob = FixedMul(player->bob / 2, finesine[angle]);
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;
}
}
player->viewz = player->mo->z + player->viewheight + bob;
if (player->viewz > player->mo->ceilingz - 4 * FRACUNIT)
player->viewz = player->mo->ceilingz - 4 * FRACUNIT;
}
void P_MovePlayer(player_t *player)
{
ticcmd_t *cmd = &player->cmd;
mobj_t *mo = player->mo;
mo->angle += cmd->angleturn << 16;
onground = mo->z <= mo->floorz;
if ((cmd->forwardmove | cmd->sidemove))
{
if (onground || mo->flags & MF_BOUNCES)
{
int friction, movefactor = P_GetMoveFactor(mo, &friction);
int bobfactor = friction < ORIG_FRICTION ? movefactor : ORIG_FRICTION_FACTOR;
if (cmd->forwardmove)
{
P_Bob(player,mo->angle,cmd->forwardmove * bobfactor);
P_Thrust(player,mo->angle,cmd->forwardmove * movefactor);
}
if (cmd->sidemove)
{
P_Bob(player, mo->angle - ANG90, cmd->sidemove * bobfactor);
P_Thrust(player, mo->angle - ANG90, cmd->sidemove * movefactor);
}
}
if (mo->state == states + S_PLAY)
P_SetMobjState(mo, S_PLAY_RUN1);
}
}
#define ANG5 (ANG90/18)
void P_DeathThink(player_t *player)
{
angle_t angle;
angle_t delta;
P_MovePsprites(player);
if (player->viewheight > 6 * FRACUNIT)
player->viewheight -= FRACUNIT;
if (player->viewheight < 6 * FRACUNIT)
player->viewheight = 6 * FRACUNIT;
player->deltaviewheight = 0;
onground = (player->mo->z <= player->mo->floorz);
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)
{
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)
player->playerstate = PST_REBORN;
}
void P_PlayerThink(player_t *player)
{
ticcmd_t *cmd;
weapontype_t newweapon;
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)
{
cmd->angleturn = 0;
cmd->forwardmove = 0xc800 / 512;
cmd->sidemove = 0;
player->mo->flags &= ~MF_JUSTATTACKED;
}
if (player->playerstate == PST_DEAD)
{
P_DeathThink(player);
return;
}
if (player->mo->reactiontime)
player->mo->reactiontime--;
else
P_MovePlayer(player);
P_CalcHeight(player);
if (player->mo->subsector->sector->special)
P_PlayerInSpecialSector(player);
if (cmd->buttons & BT_CHANGE)
{
newweapon = (cmd->buttons & BT_WEAPONMASK) >> BT_WEAPONSHIFT;
if (player->weaponowned[newweapon] && newweapon != player->readyweapon)
if ((newweapon != wp_plasma && newweapon != wp_bfg) || (gamemode != shareware))
player->pendingweapon = newweapon;
}
if (cmd->buttons & BT_USE)
{
if (!player->usedown)
{
P_UseLines(player);
player->usedown = true;
}
}
else
{
player->usedown = false;
}
P_MovePsprites(player);
if (player->powers[pw_strength])
player->powers[pw_strength]++;
if (player->powers[pw_invulnerability] > 0)
player->powers[pw_invulnerability]--;
if (player->powers[pw_invisibility] > 0)
if (!--player->powers[pw_invisibility])
player->mo->flags &= ~MF_SHADOW;
if (player->powers[pw_infrared] > 0)
player->powers[pw_infrared]--;
if (player->powers[pw_ironfeet] > 0)
player->powers[pw_ironfeet]--;
if (player->damagecount)
player->damagecount--;
if (player->bonuscount)
player->bonuscount--;
player->fixedcolormap = player->powers[pw_invulnerability] > 4 * 32 || player->powers[pw_invulnerability] & 8 ? INVERSECOLORMAP : player->powers[pw_infrared] > 4 * 32 || player->powers[pw_infrared] & 8;
}