p_setup.c

制作游戏 魔法师传奇 源代码设计 MOFASHICHUANQI 经典老游戏

			{
				*linebuffer++ = li;
				M_AddToBox (bbox, li->v1->x, li->v1->y);
				M_AddToBox (bbox, li->v2->x, li->v2->y);
			}
		}
		if (linebuffer - sector->lines != sector->linecount)
			I_Error ("P_GroupLines: miscounted");

		// set the degenmobj_t to the middle of the bounding box
		sector->soundorg.x = (bbox[BOXRIGHT]+bbox[BOXLEFT])/2;
		sector->soundorg.y = (bbox[BOXTOP]+bbox[BOXBOTTOM])/2;

		// adjust bounding box to map blocks
		block = (bbox[BOXTOP]-bmaporgy+MAXRADIUS)>>MAPBLOCKSHIFT;
		block = block >= bmapheight ? bmapheight-1 : block;
		sector->blockbox[BOXTOP]=block;

		block = (bbox[BOXBOTTOM]-bmaporgy-MAXRADIUS)>>MAPBLOCKSHIFT;
		block = block < 0 ? 0 : block;
		sector->blockbox[BOXBOTTOM]=block;

		block = (bbox[BOXRIGHT]-bmaporgx+MAXRADIUS)>>MAPBLOCKSHIFT;
		block = block >= bmapwidth ? bmapwidth-1 : block;
		sector->blockbox[BOXRIGHT]=block;

		block = (bbox[BOXLEFT]-bmaporgx-MAXRADIUS)>>MAPBLOCKSHIFT;
		block = block < 0 ? 0 : block;
		sector->blockbox[BOXLEFT]=block;
	}

}

//=============================================================================


/*
=================
=
= P_SetupLevel
=
=================
*/

#ifdef __WATCOMC__
	extern boolean i_CDMusic;
#endif

void P_SetupLevel(int episode, int map, int playermask, skill_t skill)
{
	int i;
	int parm;
	char lumpname[9];
	char auxName[128];
	int lumpnum;
	mobj_t *mobj;

	for(i = 0; i < MAXPLAYERS; i++)
	{
		players[i].killcount = players[i].secretcount
			= players[i].itemcount = 0;
	}
	players[consoleplayer].viewz = 1; // will be set by player think

#ifdef __WATCOMC__
	if(i_CDMusic == false)
	{
		S_StartSongName("chess", true); // Waiting-for-level-load song
	}
#endif

	Z_FreeTags(PU_LEVEL, PU_PURGELEVEL-1);

	P_InitThinkers();
	leveltime = 0;

	if(DevMaps)
	{
		sprintf(auxName, "%sMAP%02d.WAD", DevMapsDir, map);
		W_OpenAuxiliary(auxName);
	}
	sprintf(lumpname, "MAP%02d", map);
	lumpnum = W_GetNumForName(lumpname);
	//
	// Begin processing map lumps
	// Note: most of this ordering is important
	//
	P_LoadBlockMap(lumpnum+ML_BLOCKMAP);
	P_LoadVertexes(lumpnum+ML_VERTEXES);
	P_LoadSectors(lumpnum+ML_SECTORS);
	P_LoadSideDefs(lumpnum+ML_SIDEDEFS);
	P_LoadLineDefs(lumpnum+ML_LINEDEFS);
	P_LoadSubsectors(lumpnum+ML_SSECTORS);
	P_LoadNodes(lumpnum+ML_NODES);
	P_LoadSegs(lumpnum+ML_SEGS);
	rejectmatrix = W_CacheLumpNum(lumpnum+ML_REJECT, PU_LEVEL);
	P_GroupLines();
	bodyqueslot = 0;
	po_NumPolyobjs = 0;
	deathmatch_p = deathmatchstarts;
	P_LoadThings(lumpnum+ML_THINGS);
	PO_Init(lumpnum+ML_THINGS); // Initialize the polyobjs
	P_LoadACScripts(lumpnum+ML_BEHAVIOR); // ACS object code
	//
	// End of map lump processing
	//
	if(DevMaps)
	{
		// Close the auxiliary file, but don't free its loaded lumps.
		// The next call to W_OpenAuxiliary() will do a full shutdown
		// of the current auxiliary WAD (free lumps and info lists).
		W_CloseAuxiliaryFile();
		W_UsePrimary();
	}

	// If deathmatch, randomly spawn the active players
	TimerGame = 0;
	if(deathmatch)
	{
		for (i=0 ; i<MAXPLAYERS ; i++)
		{
			if (playeringame[i])
			{   // must give a player spot before deathmatchspawn
				mobj = P_SpawnMobj (playerstarts[0][i].x<<16,
					playerstarts[0][i].y<<16,0, MT_PLAYER_FIGHTER);
				players[i].mo = mobj;
				G_DeathMatchSpawnPlayer (i);
				P_RemoveMobj (mobj);
			}
		}
		parm = M_CheckParm("-timer");
		if(parm && parm < myargc-1)
		{
			TimerGame = atoi(myargv[parm+1])*35*60;
		}
	}

// set up world state
	P_SpawnSpecials ();

// build subsector connect matrix
//      P_ConnectSubsectors ();

// Load colormap and set the fullbright flag
	i = P_GetMapFadeTable(gamemap);
	W_ReadLump(i, colormaps);
	if(i == W_GetNumForName("COLORMAP"))
	{
		LevelUseFullBright = true;
	}
	else
	{ // Probably fog ... don't use fullbright sprites
		LevelUseFullBright = false;
	}

// preload graphics
	if (precache)
		R_PrecacheLevel ();

	// Check if the level is a lightning level
	P_InitLightning();

	S_StopAllSound();
	SN_StopAllSequences();
	S_StartSong(gamemap, true);

//printf ("free memory: 0x%x\n", Z_FreeMemory());

}

//==========================================================================
//
// InitMapInfo
//
//==========================================================================

static void InitMapInfo(void)
{
	int map;
	int mapMax;
	int mcmdValue;
	mapInfo_t *info;
	char songMulch[10];

	mapMax = 1;

	// Put defaults into MapInfo[0]
	info = MapInfo;
	info->cluster = 0;
	info->warpTrans = 0;
	info->nextMap = 1; // Always go to map 1 if not specified
	info->cdTrack = 1;
	info->sky1Texture = R_TextureNumForName(DEFAULT_SKY_NAME);
	info->sky2Texture = info->sky1Texture;
	info->sky1ScrollDelta = 0;
	info->sky2ScrollDelta = 0;
	info->doubleSky = false;
	info->lightning = false;
	info->fadetable = W_GetNumForName(DEFAULT_FADE_TABLE);
	strcpy(info->name, UNKNOWN_MAP_NAME);

//	strcpy(info->songLump, DEFAULT_SONG_LUMP);
	SC_Open(MAPINFO_SCRIPT_NAME);
	while(SC_GetString())
	{
		if(SC_Compare("MAP") == false)
		{
			SC_ScriptError(NULL);
		}
		SC_MustGetNumber();
		if(sc_Number < 1 || sc_Number > 99)
		{ // 
			SC_ScriptError(NULL);
		}
		map = sc_Number;

		info = &MapInfo[map];

		// Save song lump name
		strcpy(songMulch, info->songLump);

		// Copy defaults to current map definition
		memcpy(info, &MapInfo[0], sizeof(*info));

		// Restore song lump name
		strcpy(info->songLump, songMulch);

		// The warp translation defaults to the map number
		info->warpTrans = map;

		// Map name must follow the number
		SC_MustGetString();
		strcpy(info->name, sc_String);

		// Process optional tokens
		while(SC_GetString())
		{
			if(SC_Compare("MAP"))
			{ // Start next map definition
				SC_UnGet();
				break;
			}
			mcmdValue = MapCmdIDs[SC_MustMatchString(MapCmdNames)];
			switch(mcmdValue)
			{
				case MCMD_CLUSTER:
					SC_MustGetNumber();
					info->cluster = sc_Number;
					break;
				case MCMD_WARPTRANS:
					SC_MustGetNumber();
					info->warpTrans = sc_Number;
					break;
				case MCMD_NEXT:
					SC_MustGetNumber();
					info->nextMap = sc_Number;
					break;
				case MCMD_CDTRACK:
					SC_MustGetNumber();
					info->cdTrack = sc_Number;
					break;
				case MCMD_SKY1:
					SC_MustGetString();
					info->sky1Texture = R_TextureNumForName(sc_String);
					SC_MustGetNumber();
					info->sky1ScrollDelta = sc_Number<<8;
					break;
				case MCMD_SKY2:
					SC_MustGetString();
					info->sky2Texture = R_TextureNumForName(sc_String);
					SC_MustGetNumber();
					info->sky2ScrollDelta = sc_Number<<8;
					break;
				case MCMD_DOUBLESKY:
					info->doubleSky = true;
					break;
				case MCMD_LIGHTNING:
					info->lightning = true;
					break;
				case MCMD_FADETABLE:
					SC_MustGetString();
					info->fadetable = W_GetNumForName(sc_String);
					break;
				case MCMD_CD_STARTTRACK:
				case MCMD_CD_END1TRACK:
				case MCMD_CD_END2TRACK:
				case MCMD_CD_END3TRACK:
				case MCMD_CD_INTERTRACK:
				case MCMD_CD_TITLETRACK:
					SC_MustGetNumber();
					cd_NonLevelTracks[mcmdValue-MCMD_CD_STARTTRACK] = 
						sc_Number;
					break;
			}
		}
		mapMax = map > mapMax ? map : mapMax;
	}
	SC_Close();
	MapCount = mapMax;
}

//==========================================================================
//
// P_GetMapCluster
//
//==========================================================================

int P_GetMapCluster(int map)
{
	return MapInfo[QualifyMap(map)].cluster;
}

//==========================================================================
//
// P_GetMapCDTrack
//
//==========================================================================

int P_GetMapCDTrack(int map)
{
	return MapInfo[QualifyMap(map)].cdTrack;
}

//==========================================================================
//
// P_GetMapWarpTrans
//
//==========================================================================

int P_GetMapWarpTrans(int map)
{
	return MapInfo[QualifyMap(map)].warpTrans;
}

//==========================================================================
//
// P_GetMapNextMap
//
//==========================================================================

int P_GetMapNextMap(int map)
{
	return MapInfo[QualifyMap(map)].nextMap;
}

//==========================================================================
//
// P_TranslateMap
//
// Returns the actual map number given a warp map number.
//
//==========================================================================

int P_TranslateMap(int map)
{
	int i;

	for(i = 1; i < 99; i++) // Make this a macro
	{
		if(MapInfo[i].warpTrans == map)
		{
			return i;
		}
	}
	// Not found
	return -1;
}

//==========================================================================
//
// P_GetMapSky1Texture
//
//==========================================================================

int P_GetMapSky1Texture(int map)
{
	return MapInfo[QualifyMap(map)].sky1Texture;
}

//==========================================================================
//
// P_GetMapSky2Texture
//
//==========================================================================

int P_GetMapSky2Texture(int map)
{
	return MapInfo[QualifyMap(map)].sky2Texture;
}

//==========================================================================
//
// P_GetMapName
//
//==========================================================================

char *P_GetMapName(int map)
{
	return MapInfo[QualifyMap(map)].name;
}

//==========================================================================
//
// P_GetMapSky1ScrollDelta
//
//==========================================================================

fixed_t P_GetMapSky1ScrollDelta(int map)
{
	return MapInfo[QualifyMap(map)].sky1ScrollDelta;
}

//==========================================================================
//
// P_GetMapSky2ScrollDelta
//
//==========================================================================

fixed_t P_GetMapSky2ScrollDelta(int map)
{
	return MapInfo[QualifyMap(map)].sky2ScrollDelta;
}

//==========================================================================
//
// P_GetMapDoubleSky
//
//==========================================================================

boolean P_GetMapDoubleSky(int map)
{
	return MapInfo[QualifyMap(map)].doubleSky;
}

//==========================================================================
//
// P_GetMapLightning
//
//==========================================================================

boolean P_GetMapLightning(int map)
{
	return MapInfo[QualifyMap(map)].lightning;
}

//==========================================================================
//
// P_GetMapFadeTable
//
//==========================================================================

boolean P_GetMapFadeTable(int map)
{
	return MapInfo[QualifyMap(map)].fadetable;
}

//==========================================================================
//
// P_GetMapSongLump
//
//==========================================================================

char *P_GetMapSongLump(int map)
{
	if(!strcasecmp(MapInfo[QualifyMap(map)].songLump, DEFAULT_SONG_LUMP))
	{
		return NULL;
	}
	else
	{
		return MapInfo[QualifyMap(map)].songLump;
	}
}

//==========================================================================
//
// P_PutMapSongLump
//
//==========================================================================

void P_PutMapSongLump(int map, char *lumpName)
{
	if(map < 1 || map > MapCount)
	{
		return;
	}
	strcpy(MapInfo[map].songLump, lumpName);
}

//==========================================================================
//
// P_GetCDStartTrack
//
//==========================================================================

int P_GetCDStartTrack(void)
{
	return cd_NonLevelTracks[MCMD_CD_STARTTRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// P_GetCDEnd1Track
//
//==========================================================================

int P_GetCDEnd1Track(void)
{
	return cd_NonLevelTracks[MCMD_CD_END1TRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// P_GetCDEnd2Track
//
//==========================================================================

int P_GetCDEnd2Track(void)
{
	return cd_NonLevelTracks[MCMD_CD_END2TRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// P_GetCDEnd3Track
//
//==========================================================================

int P_GetCDEnd3Track(void)
{
	return cd_NonLevelTracks[MCMD_CD_END3TRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// P_GetCDIntermissionTrack
//
//==========================================================================

int P_GetCDIntermissionTrack(void)
{
	return cd_NonLevelTracks[MCMD_CD_INTERTRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// P_GetCDTitleTrack
//
//==========================================================================

int P_GetCDTitleTrack(void)
{
	return cd_NonLevelTracks[MCMD_CD_TITLETRACK-MCMD_CD_STARTTRACK];
}

//==========================================================================
//
// QualifyMap
//
//==========================================================================

static int QualifyMap(int map)
{
	return (map < 1 || map > MapCount) ? 0 : map;
}

//==========================================================================
//
// P_Init
//
//==========================================================================

void P_Init(void)
{
	InitMapInfo();
	P_InitSwitchList();
	P_InitFTAnims(); // Init flat and texture animations
	P_InitTerrainTypes();
	P_InitLava();
	R_InitSprites(sprnames);
}


// Special early initializer needed to start sound before R_Init()
void InitMapMusicInfo(void)
{
	int i;

	for (i=0; i<99; i++)
	{
		strcpy(MapInfo[i].songLump, DEFAULT_SONG_LUMP);
	}
	MapCount = 98;
}

/*
void My_Debug(void)
{
	int i;

	printf("My debug stuff ----------------------\n");
	printf("gamemap=%d\n",gamemap);
	for (i=0; i<10; i++)
	{
		printf("i=%d  songlump=%s\n",i,MapInfo[i].songLump);
	}
}
*/