int P_CameraXYMovement(mobj_t *mo)
{
if(!P_MobjIsCamera(mo))
return false;
#if __JDOOM__ || __JDOOM64__
if(mo->flags & MF_NOCLIP ||
// This is a very rough check! Sometimes you get stuck in things.
P_CheckPositionXYZ(mo, mo->origin[VX] + mo->mom[MX], mo->origin[VY] + mo->mom[MY], mo->origin[VZ]))
{
#endif
P_MobjUnsetOrigin(mo);
mo->origin[VX] += mo->mom[MX];
mo->origin[VY] += mo->mom[MY];
P_MobjSetOrigin(mo);
P_CheckPositionXY(mo, mo->origin[VX], mo->origin[VY]);
mo->floorZ = tmFloorZ;
mo->ceilingZ = tmCeilingZ;
#if __JDOOM__ || __JDOOM64__
}
#endif
// Friction.
if(!INRANGE_OF(mo->player->brain.forwardMove, 0, CAMERA_FRICTION_THRESHOLD) ||
!INRANGE_OF(mo->player->brain.sideMove, 0, CAMERA_FRICTION_THRESHOLD) ||
!INRANGE_OF(mo->player->brain.upMove, 0, CAMERA_FRICTION_THRESHOLD))
{
// While moving; normal friction applies.
mo->mom[MX] *= FRICTION_NORMAL;
mo->mom[MY] *= FRICTION_NORMAL;
}
else
{
// Else lose momentum, quickly!.
mo->mom[MX] *= FRICTION_HIGH;
mo->mom[MY] *= FRICTION_HIGH;
}
return true;
}
int P_CameraZMovement(mobj_t *mo)
{
if(!P_MobjIsCamera(mo))
return false;
mo->origin[VZ] += mo->mom[MZ];
// Friction.
if(!INRANGE_OF(mo->player->brain.forwardMove, 0, CAMERA_FRICTION_THRESHOLD) ||
!INRANGE_OF(mo->player->brain.sideMove, 0, CAMERA_FRICTION_THRESHOLD) ||
!INRANGE_OF(mo->player->brain.upMove, 0, CAMERA_FRICTION_THRESHOLD))
{ // While moving; normal friction applies.
mo->mom[MZ] *= FRICTION_NORMAL;
}
else
{ // Else, lose momentum quickly!.
mo->mom[MZ] *= FRICTION_HIGH;
}
return true;
}
/**
* Changes the class of the given player. Will not work if the player
* is currently morphed.
*/
void P_PlayerChangeClass(player_t *player, playerclass_t newClass)
{
int i;
DENG_ASSERT(player != 0);
if(newClass < PCLASS_FIRST || newClass >= NUM_PLAYER_CLASSES)
return;
// Don't change if morphed.
if(player->morphTics) return;
if(!PCLASS_INFO(newClass)->userSelectable) return;
player->class_ = newClass;
cfg.playerClass[player - players] = newClass;
P_ClassForPlayerWhenRespawning(player - players, true /*clear change request*/);
// Take away armor.
for(i = 0; i < NUMARMOR; ++i)
{
player->armorPoints[i] = 0;
}
player->update |= PSF_ARMOR_POINTS;
P_PostMorphWeapon(player, WT_FIRST);
if(player->plr->mo)
{
// Respawn the player and destroy the old mobj.
mobj_t* oldMo = player->plr->mo;
P_SpawnPlayer(player - players, newClass, oldMo->origin[VX],
oldMo->origin[VY], oldMo->origin[VZ], oldMo->angle, 0,
P_MobjIsCamera(oldMo), true);
P_MobjRemove(oldMo, true);
}
}
dd_bool Mobj_LookForPlayers(mobj_t *mo, dd_bool allAround)
{
int const playerCount = P_CountPlayersInGame();
// Nobody to target?
if(!playerCount) return false;
int const from = mo->lastLook % MAXPLAYERS;
int const to = (from + MAXPLAYERS - 1) % MAXPLAYERS;
int cand = from;
int tries = 0;
bool foundTarget = false;
for(; cand != to; cand = (cand < (MAXPLAYERS - 1)? cand + 1 : 0))
{
player_t *player = players + cand;
// Is player in the game?
if(!player->plr->inGame) continue;
mobj_t *plrmo = player->plr->mo;
if(!plrmo) continue;
// Do not target camera players.
if(P_MobjIsCamera(plrmo)) continue;
// Only look ahead a fixed number of times.
if(tries++ == 2) break;
// Do not target dead players.
if(player->health <= 0) continue;
// Within sight?
if(!P_CheckSight(mo, plrmo)) continue;
if(!allAround)
{
angle_t an = M_PointToAngle2(mo->origin, plrmo->origin);
an -= mo->angle;
if(an > ANG90 && an < ANG270)
{
// If real close, react anyway.
coord_t dist = M_ApproxDistance(plrmo->origin[VX] - mo->origin[VX],
plrmo->origin[VY] - mo->origin[VY]);
// Behind us?
if(dist > MELEERANGE) continue;
}
}
#if __JHERETIC__ || __JHEXEN__
// If player is invisible we may not detect if too far or randomly.
if(plrmo->flags & MF_SHADOW)
{
if((M_ApproxDistance(plrmo->origin[VX] - mo->origin[VX],
plrmo->origin[VY] - mo->origin[VY]) > 2 * MELEERANGE) &&
M_ApproxDistance(plrmo->mom[MX], plrmo->mom[MY]) < 5)
{
// Too far; can't detect.
continue;
}
// Randomly overlook the player regardless.
if(P_Random() < 225) continue;
}
#endif
#if __JHEXEN__
// Minotaurs do not target their master.
if(mo->type == MT_MINOTAUR && mo->tracer &&
mo->tracer->player == player) continue;
#endif
// Found our quarry.
mo->target = plrmo;
foundTarget = true;
}
// Start looking from here next time.
mo->lastLook = cand;
return foundTarget;
}
