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Diffstat (limited to 'src/hexen/p_telept.c')
| -rw-r--r-- | src/hexen/p_telept.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/hexen/p_telept.c b/src/hexen/p_telept.c new file mode 100644 index 00000000..1e29b469 --- /dev/null +++ b/src/hexen/p_telept.c @@ -0,0 +1,198 @@ +// Emacs style mode select -*- C++ -*- +//----------------------------------------------------------------------------- +// +// Copyright(C) 1993-1996 Id Software, Inc. +// Copyright(C) 1993-2008 Raven Software +// Copyright(C) 2008 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. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +// 02111-1307, USA. +// +//----------------------------------------------------------------------------- + + +// HEADER FILES ------------------------------------------------------------ + +#include "h2def.h" +#include "m_random.h" +#include "i_system.h" +#include "p_local.h" +#include "s_sound.h" + +// MACROS ------------------------------------------------------------------ + +// TYPES ------------------------------------------------------------------- + +// EXTERNAL FUNCTION PROTOTYPES -------------------------------------------- + +// PUBLIC FUNCTION PROTOTYPES ---------------------------------------------- + +// PRIVATE FUNCTION PROTOTYPES --------------------------------------------- + +// EXTERNAL DATA DECLARATIONS ---------------------------------------------- + +// PUBLIC DATA DEFINITIONS ------------------------------------------------- + +// PRIVATE DATA DEFINITIONS ------------------------------------------------ + +// CODE -------------------------------------------------------------------- + +//========================================================================== +// +// P_Teleport +// +//========================================================================== + +boolean P_Teleport(mobj_t * thing, fixed_t x, fixed_t y, angle_t angle, + boolean useFog) +{ + fixed_t oldx; + fixed_t oldy; + fixed_t oldz; + fixed_t aboveFloor; + fixed_t fogDelta; + player_t *player; + unsigned an; + mobj_t *fog; + + oldx = thing->x; + oldy = thing->y; + oldz = thing->z; + aboveFloor = thing->z - thing->floorz; + if (!P_TeleportMove(thing, x, y)) + { + return false; + } + if (thing->player) + { + player = thing->player; + if (player->powers[pw_flight] && aboveFloor) + { + thing->z = thing->floorz + aboveFloor; + if (thing->z + thing->height > thing->ceilingz) + { + thing->z = thing->ceilingz - thing->height; + } + player->viewz = thing->z + player->viewheight; + } + else + { + thing->z = thing->floorz; + player->viewz = thing->z + player->viewheight; + if (useFog) + { + player->lookdir = 0; + } + } + } + else if (thing->flags & MF_MISSILE) + { + thing->z = thing->floorz + aboveFloor; + if (thing->z + thing->height > thing->ceilingz) + { + thing->z = thing->ceilingz - thing->height; + } + } + else + { + thing->z = thing->floorz; + } + // Spawn teleport fog at source and destination + if (useFog) + { + fogDelta = thing->flags & MF_MISSILE ? 0 : TELEFOGHEIGHT; + fog = P_SpawnMobj(oldx, oldy, oldz + fogDelta, MT_TFOG); + S_StartSound(fog, SFX_TELEPORT); + an = angle >> ANGLETOFINESHIFT; + fog = P_SpawnMobj(x + 20 * finecosine[an], + y + 20 * finesine[an], thing->z + fogDelta, + MT_TFOG); + S_StartSound(fog, SFX_TELEPORT); + if (thing->player && !thing->player->powers[pw_speed]) + { // Freeze player for about .5 sec + thing->reactiontime = 18; + } + thing->angle = angle; + } + if (thing->flags2 & MF2_FLOORCLIP) + { + if (thing->z == thing->subsector->sector->floorheight + && P_GetThingFloorType(thing) > FLOOR_SOLID) + { + thing->floorclip = 10 * FRACUNIT; + } + else + { + thing->floorclip = 0; + } + } + if (thing->flags & MF_MISSILE) + { + angle >>= ANGLETOFINESHIFT; + thing->momx = FixedMul(thing->info->speed, finecosine[angle]); + thing->momy = FixedMul(thing->info->speed, finesine[angle]); + } + else if (useFog) // no fog doesn't alter the player's momentums + { + thing->momx = thing->momy = thing->momz = 0; + } + return true; +} + +//========================================================================== +// +// EV_Teleport +// +//========================================================================== + +boolean EV_Teleport(int tid, mobj_t * thing, boolean fog) +{ + int i; + int count; + mobj_t *mo; + int searcher; + + if (!thing) + { // Teleport function called with an invalid mobj + return false; + } + if (thing->flags2 & MF2_NOTELEPORT) + { + return false; + } + count = 0; + searcher = -1; + while (P_FindMobjFromTID(tid, &searcher) != NULL) + { + count++; + } + if (count == 0) + { + return false; + } + count = 1 + (P_Random() % count); + searcher = -1; + mo = NULL; + + for (i = 0; i < count; i++) + { + mo = P_FindMobjFromTID(tid, &searcher); + } + if (mo == NULL) + { + I_Error("Can't find teleport mapspot\n"); + } + return P_Teleport(thing, mo->x, mo->y, mo->angle, fog); +} |