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https://github.com/jmarshall23/Hellfire.git
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Initial commit.
This commit is contained in:
Justin Marshall
+256
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/*-----------------------------------------------------------------------**
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** Diablo
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**
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** Triggers file
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**
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** (C)1995 Condor, Inc. All rights reserved.
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**
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**-----------------------------------------------------------------------**
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** $
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**-----------------------------------------------------------------------**
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**
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** File Routines
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**-----------------------------------------------------------------------*/
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#include "diablo.h"
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#pragma hdrstop
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#include "portal.h"
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#include "gendung.h"
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#include "items.h"
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#include "player.h"
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#include "misdat.h"
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#include "missiles.h"
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#include "effects.h"
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#include "msg.h"
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#include "lighting.h"
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/*-----------------------------------------------------------------------*
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** Global Variables
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**-----------------------------------------------------------------------*/
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PortalStruct portal[MAXPORTAL];
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int WarpDropX[MAXPORTAL] = { 57, 59, 61, 63 };
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int WarpDropY[MAXPORTAL] = { 40, 40, 40, 40 };
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int portalindex; // current portal in use for myplr
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/*-----------------------------------------------------------------------**
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** externs
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**-----------------------------------------------------------------------*/
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void SetMissDir(int mi, int dir);
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void DeleteMissile(int mi, int i);
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BOOL delta_portal_inited(int i);
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void InitPortals()
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{
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for (int i = 0; i < MAXPORTAL; i++) {
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// Check to see if needs initing or parsed from level delta
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if (delta_portal_inited(i))
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portal[i].open = FALSE;
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}
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void SyncPortal(int i, BOOL open, int x, int y, int level, int ltype)
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{
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app_assert((DWORD)i < MAXPORTAL);
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portal[i].open = open;
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portal[i].x = x;
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portal[i].y = y;
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portal[i].level = level;
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portal[i].ltype = ltype;
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portal[i].setlvl = FALSE;
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}
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/*-----------------------------------------------------------------------*
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**-----------------------------------------------------------------------*/
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void AddWarpMissile(int i, int x, int y)
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{
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// Don't play sound when loading level
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missiledata[MIT_TOWN].mlSFX = -1;
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// Fix because portal cant be drawn on top of each other
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dMissile[x][y] = 0;
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// Put in map and activate
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int mi = AddMissile(0, 0, x, y, 0, MIT_TOWN, MI_ENEMYMONST, i, 0, 0);
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//check if AddMissile unsuccessful
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if (mi == -1)
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return; //too many missiles already, so quit
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// Force open
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SetMissDir(mi, 1);
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// Give it a lightsource
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//DL - 11/9/97
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// This is a serious bug. Under certain situations, missile[i] will be
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// uninitialized, causing coordinate (0, 0) to be passed to AddLight().
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// When the light is processed later, and the radius is subtracted from
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// the (0, 0) coordinate, the light table will be written to with negative
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// indicies, causing an array underwrite. This was causing a crash on the
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// Mac because it was overwriting the memory block header, trashing the
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// application's heap. I don't know what is getting overwritten on the PC
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// version. An example of when this will happen is if player 1 creates a
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// new game, and player 2 joins it. Both players go to level 1. Player 2
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// casts town portal (with cheats on). On player 1's machine,
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// AddWarpMissile( will be called with i = 1 (player 2's player index).
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// Since there are no missles yet, AddMissile() will use missle index 0, so
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// mi wil be 0. But since i is 1, AddLight() will be passed the coordinates
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// of missle[1], which doesn't exist, so its coordinates are undefined. In
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// this case, they are uninitialized, so they are zero.
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// if (currlevel != 0) missile[i]._mlid = AddLight(missile[i]._mix, missile[i]._miy, 15);
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if (currlevel != 0) missile[mi]._mlid = AddLight(missile[mi]._mix, missile[mi]._miy, 15);
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// play sound while in dungeon
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missiledata[MIT_TOWN].mlSFX = LS_SENTINEL;
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void SyncPortals()
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{
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// Add the warp fields
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for (int i = 0; i < MAXPORTAL; i++) {
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if (portal[i].open) {
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if (currlevel == 0) {
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AddWarpMissile(i, WarpDropX[i], WarpDropY[i]);
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} else {
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if (! setlevel) {
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if (portal[i].level == currlevel) AddWarpMissile(i, portal[i].x, portal[i].y);
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} else {
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if (portal[i].level == setlvlnum) AddWarpMissile(i, portal[i].x, portal[i].y);
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}
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}
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}
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}
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void AddInTownPortal(int i)
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{
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AddWarpMissile(i, WarpDropX[i], WarpDropY[i]);
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void ActivatePortal(int i, int x, int y, int lvl, int lvltype, BOOL sp)
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{
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app_assert((DWORD)i < MAXPORTAL);
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portal[i].open = TRUE;
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if (lvl != 0) {
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portal[i].x = x;
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portal[i].y = y;
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portal[i].level = lvl;
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portal[i].ltype = lvltype;
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portal[i].setlvl = sp;
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}
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void DeactivatePortal(int i)
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{
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app_assert((DWORD)i < MAXPORTAL);
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portal[i].open = FALSE;
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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BOOL PortalOnLevel(int i)
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{
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app_assert((DWORD)i < MAXPORTAL);
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if (portal[i].level == currlevel) return(TRUE);
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if (currlevel == 0) return(TRUE);
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else return(FALSE);
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void RemovePortalMissile(int id)
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{
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int i, mi;
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// Remove current portal
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for (i = 0; i < nummissiles; i++) {
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mi = missileactive[i];
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if ((missile[mi]._mitype == MIT_TOWN) && (missile[mi]._misource == id)) {
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dFlags[missile[mi]._mix][missile[mi]._miy] &= BFMASK_MISSILE;
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dMissile[missile[mi]._mix][missile[mi]._miy] = 0;
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if (portal[id].level != 0) AddUnLight(missile[mi]._mlid);
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DeleteMissile(mi, i);
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}
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}
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void SetCurrentPortal(int p)
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{
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portalindex = p;
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void GetPortalLevel() {
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if (currlevel) {
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setlevel = FALSE;
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currlevel = 0;
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plr[myplr].plrlevel = 0;
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leveltype = 0;
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return;
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}
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app_assert((DWORD)portalindex < MAXPORTAL);
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if (portal[portalindex].setlvl) {
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setlevel = TRUE;
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setlvlnum = portal[portalindex].level;
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currlevel = portal[portalindex].level;
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plr[myplr].plrlevel = setlvlnum;
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leveltype = portal[portalindex].ltype;
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}
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else {
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setlevel = FALSE;
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currlevel = portal[portalindex].level;
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plr[myplr].plrlevel = currlevel;
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leveltype = portal[portalindex].ltype;
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}
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if (portalindex == myplr) {
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NetSendCmd(TRUE, CMD_DEACTIVATEPORTAL);
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DeactivatePortal(portalindex);
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}
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}
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/*-----------------------------------------------------------------------**
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**-----------------------------------------------------------------------*/
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void GetPortalLvlPos()
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{
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app_assert((DWORD)portalindex < MAXPORTAL);
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if (!currlevel) {
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ViewX = WarpDropX[portalindex] + 1;
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ViewY = WarpDropY[portalindex] + 1;
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return;
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}
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ViewX = portal[portalindex].x;
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ViewY = portal[portalindex].y;
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if (portalindex != myplr) {
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ViewX++;
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ViewY++;
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}
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}
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