coord_t Mobj_Friction(mobj_t const *mo) { if(Mobj_IsAirborne(mo)) { // Airborne "friction". return FRICTION_FLY; } #if __JHERETIC__ if(P_ToXSector(Mobj_Sector(mo))->special == 15) // Low friction. { return FRICTION_LOW; } #endif #if __JHEXEN__ terraintype_t const *tt = P_MobjFloorTerrain(mo); if(tt->flags & TTF_FRICTION_LOW) { return FRICTION_LOW; } #endif #if LIBCOMMON_HAVE_XG // Use the current sector's friction. return XS_Friction(Mobj_Sector(mo)); #else return FRICTION_NORMAL; #endif }
coord_t Mobj_ThrustMul(mobj_t const *mo) { coord_t mul = 1.0; #if __JHEXEN__ if(P_MobjFloorTerrain(mo)->flags & TTF_FRICTION_LOW) { mul /= 2; } #else // !__JHEXEN__ Sector *sec = Mobj_Sector(mo); #if __JHERETIC__ if(P_ToXSector(sec)->special == 15) // Friction_Low { mul /= 4; return mul; // XG friction ignored. } #endif // Use a thrust multiplier based on the sector's friction. mul = Mobj_ThrustMulForFriction(XS_Friction(sec)); #endif return mul; }
int EV_Teleport(Line* line, int side, mobj_t* mo, dd_bool spawnFog) { mobj_t* dest; // Clients cannot teleport on their own. if(IS_CLIENT) return 0; if(mo->flags2 & MF2_NOTELEPORT) return 0; // Don't teleport if hit back of line, so you can get out of teleporter. if(side == 1) return 0; if((dest = getTeleportDestination(P_ToXLine(line)->tag)) != NULL) { // A suitable destination has been found. coord_t oldPos[3], aboveFloor; angle_t oldAngle; mobj_t* fog; uint an; memcpy(oldPos, mo->origin, sizeof(mo->origin)); oldAngle = mo->angle; aboveFloor = mo->origin[VZ] - mo->floorZ; if(!P_TeleportMove(mo, dest->origin[VX], dest->origin[VY], false)) return 0; mo->origin[VZ] = mo->floorZ; if(spawnFog) { // Spawn teleport fog at source and destination. if((fog = P_SpawnMobj(MT_TFOG, oldPos, oldAngle + ANG180, 0))) S_StartSound(SFX_TELEPT, fog); an = dest->angle >> ANGLETOFINESHIFT; if((fog = P_SpawnMobjXYZ(MT_TFOG, dest->origin[VX] + 20 * FIX2FLT(finecosine[an]), dest->origin[VY] + 20 * FIX2FLT(finesine[an]), mo->origin[VZ], dest->angle + ANG180, 0))) { // Emit sound, where? S_StartSound(SFX_TELEPT, fog); } } mo->angle = dest->angle; if(mo->flags2 & MF2_FLOORCLIP) { mo->floorClip = 0; if(FEQUAL(mo->origin[VZ], P_GetDoublep(Mobj_Sector(mo), DMU_FLOOR_HEIGHT))) { terraintype_t const *tt = P_MobjFloorTerrain(mo); if(tt->flags & TTF_FLOORCLIP) { mo->floorClip = 10; } } } mo->mom[MX] = mo->mom[MY] = mo->mom[MZ] = 0; // $voodoodolls Must be the real player. if(mo->player && mo->player->plr->mo == mo) { mo->reactionTime = 18; // Don't move for a bit. if(mo->player->powers[PT_FLIGHT] && aboveFloor > 0) { mo->origin[VZ] = mo->floorZ + aboveFloor; if(mo->origin[VZ] + mo->height > mo->ceilingZ) { mo->origin[VZ] = mo->ceilingZ - mo->height; } } else { //mo->dPlayer->clLookDir = 0; /* $unifiedangles */ mo->dPlayer->lookDir = 0; } mo->player->viewHeight = (coord_t) cfg.common.plrViewHeight; mo->player->viewHeightDelta = 0; mo->player->viewZ = mo->origin[VZ] + mo->player->viewHeight; mo->player->viewOffset[VX] = mo->player->viewOffset[VY] = mo->player->viewOffset[VZ] = 0; mo->player->bob = 0; //mo->dPlayer->clAngle = mo->angle; /* $unifiedangles */ mo->dPlayer->flags |= DDPF_FIXANGLES | DDPF_FIXORIGIN | DDPF_FIXMOM; } return 1; }