//-------------------------------------------------------------------------
/*
Copyright (C) 1996, 2003 - 3D Realms Entertainment
Copyright (C) 2000, 2003 - Matt Saettler (EDuke Enhancements)
Copyright (C) 2020 - Christoph Oelckers

This file is part of Enhanced Duke Nukem 3D version 1.5 - Atomic Edition

Duke Nukem 3D 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.

Original Source: 1996 - Todd Replogle
Prepared for public release: 03/21/2003 - Charlie Wiederhold, 3D Realms

EDuke enhancements integrated: 04/13/2003 - Matt Saettler

Note: EDuke source was in transition.  Changes are in-progress in the
source as it is released.

*/
//-------------------------------------------------------------------------
#include <utility>
#include "ns.h"
#include "global.h"
#include "sounds.h"
#include "names_d.h"
#include "dukeactor.h"

BEGIN_DUKE_NS


DDukeActor* spawninit_d(DDukeActor* actj, DDukeActor* act, TArray<DDukeActor*>* actors)
{
	if (actorflag(act, SFLAG2_TRIGGERRESPAWN))
	{
		act->spr.yint = act->spr.hitag;
		act->spr.hitag = -1;
	}

	if (iseffector(act))
	{
		// for in-game spawned SE's the init code must not run. The only type ever being spawned that way is SE128 - 
		// but we cannot check that here as the number has not been set yet.
		if (actj == 0) spawneffector(act, actors);
		return act;
	}

	if (act->GetClass() != RUNTIME_CLASS(DDukeActor))
	{
		if (!badguy(act) || commonEnemySetup(act, actj))
			CallInitialize(act);
		return act;
	}
	auto sectp = act->sector();


	if (isWorldTour())
	{
		switch (act->spr.picnum)
		{
		case DTILE_BOSS2STAYPUT:
		case DTILE_BOSS3STAYPUT:
		case DTILE_BOSS5STAYPUT:
			act->actorstayput = act->sector();
			[[fallthrough]];
		case DTILE_FIREFLY:
		case DTILE_BOSS5:
			if (act->spr.picnum != DTILE_FIREFLY)
			{
				if (actj && isrespawncontroller(actj))
					act->spr.pal = actj->spr.pal;
				if (act->spr.pal != 0)
				{
					act->clipdist = 20;
					act->spr.scale = DVector2(0.625, 0.625);
				}
				else
				{
					act->spr.scale = DVector2(1.25, 1.25);
					act->clipdist = 41;
				}
			}
			else
			{
				act->spr.scale = DVector2(0.625, 0.625);
				act->clipdist = 20;
			}

			if (actj)
				act->spr.lotag = 0;

			if ((act->spr.lotag > ud.player_skill) || ud.monsters_off)
			{
				act->spr.scale = DVector2(0, 0);
				ChangeActorStat(act, STAT_MISC);
				break;
			}
			else
			{
				makeitfall(act);

				act->spr.cstat |= CSTAT_SPRITE_BLOCK_ALL;
				ps[connecthead].max_actors_killed++;

				if (actj) {
					act->timetosleep = 0;
					check_fta_sounds_d(act);
					ChangeActorStat(act, STAT_ACTOR);
				}
				else
					ChangeActorStat(act, STAT_ZOMBIEACTOR);
			}
			return act;
		case DTILE_WHISPYSMOKE:
			ChangeActorStat(act, STAT_MISC);
			act->spr.pos.X += krandf(16) - 8;
			act->spr.pos.Y += krandf(16) - 8;
			act->spr.scale = DVector2(0.3125, 0.3125);
			return act;
		case DTILE_SERIOUSSAM:
			ChangeActorStat(act, STAT_ZOMBIEACTOR);
			act->spr.cstat = CSTAT_SPRITE_BLOCK_ALL;
			act->spr.extra = 150;
			return act;
		}
	}

	switch (act->spr.picnum)
	{
	default:
		if (!badguy(act) || commonEnemySetup(act, actj))
			CallInitialize(act);
		break;
	case FOF:
		act->spr.scale = DVector2(0, 0);
		ChangeActorStat(act, STAT_MISC);
		break;
	case DTILE_BLOOD:
		act->spr.scale = DVector2(0.25, 0.25);
		act->spr.pos.Z -= 26;
		if (actj && actj->spr.pal == 6)
			act->spr.pal = 6;
		ChangeActorStat(act, STAT_MISC);
		break;
	case DTILE_FECES:
		if (actj)
			act->spr.scale = DVector2(REPEAT_SCALE, REPEAT_SCALE);
		ChangeActorStat(act, STAT_MISC);
		break;

	case DTILE_FEM1:
	case DTILE_FEM2:
	case DTILE_FEM3:
	case DTILE_FEM4:
	case DTILE_FEM5:
	case DTILE_FEM6:
	case DTILE_FEM7:
	case DTILE_FEM8:
	case DTILE_FEM9:
	case DTILE_FEM10:
	case DTILE_PODFEM1:
	case DTILE_NAKED1:
	case DTILE_TOUGHGAL:
		if (act->spr.picnum == DTILE_PODFEM1) act->spr.extra <<= 1;
		[[fallthrough]];

	case DTILE_BLOODYPOLE:
		act->spr.cstat |= CSTAT_SPRITE_BLOCK_ALL;
		act->clipdist = 8;
		ChangeActorStat(act, STAT_ZOMBIEACTOR);
		break;

	case DTILE_DUKELYINGDEAD:
		if (actj && actj->isPlayer())
		{
			act->spr.scale = actj->spr.scale;
			act->spr.shade = actj->spr.shade;
			act->spr.pal = ps[actj->PlayerIndex()].palookup;
		}
		act->spr.cstat = 0;
		act->spr.extra = 1;
		act->vel.X = 292 / 16.;
		act->vel.Z = 360 / 256.;
		[[fallthrough]];
	case DTILE_BLIMP:
		act->spr.cstat |= CSTAT_SPRITE_BLOCK_ALL;
		act->clipdist = 32;
		[[fallthrough]];
	case DTILE_MIKE:
		if (act->spr.picnum == DTILE_MIKE)
			act->spr.yint = act->spr.hitag;
		ChangeActorStat(act, 1);
		break;
	case DTILE_ONFIRE:
		// Twentieth Anniversary World Tour
		if (!isWorldTour())
			break;
		[[fallthrough]];
	case DTILE_SMALLSMOKE:

		if (actj)
		{
			act->spr.Angles.Yaw = actj->spr.Angles.Yaw;
			act->spr.shade = -64;
			act->spr.cstat = CSTAT_SPRITE_YCENTER | randomXFlip();
		}
		act->spr.scale = DVector2(0.375, 0.375);

		if (actj)
		{
			double x = getflorzofslopeptr(act->sector(), act->spr.pos);
			if (act->spr.pos.Z > x - 12)
				act->spr.pos.Z = x - 12;
		}

		if (act->spr.picnum == DTILE_ONFIRE)
		{
			act->spr.pos.X += krandf(32) - 16;
			act->spr.pos.Y += krandf(32) - 16;
			act->spr.pos.Z -= krandf(40);
			act->spr.cstat |= CSTAT_SPRITE_YCENTER;
		}

		ChangeActorStat(act, STAT_MISC);

		break;

	case DTILE_PLAYERONWATER:
		if (actj)
		{
			act->spr.scale = actj->spr.scale;
			act->vel.Z = 0.5;
			if (act->sector()->lotag != 2)
				act->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
		}
		ChangeActorStat(act, STAT_DUMMYPLAYER);
		break;

	case DTILE_APLAYER:
	{
		act->spr.scale = DVector2(0, 0);
		int j = ud.coop;
		if (j == 2) j = 0;

		if (ud.multimode < 2 || (ud.multimode > 1 && j != act->spr.lotag))
			ChangeActorStat(act, STAT_MISC);
		else
			ChangeActorStat(act, STAT_PLAYER);
		break;
	}
	case DTILE_WATERDRIPSPLASH: // ok
		act->spr.scale = DVector2(0.375, 0.375);
		ChangeActorStat(act, STAT_STANDABLE);
		break;

	case DTILE_WATERBUBBLEMAKER:
		if (act->spr.hitag && act->spr.picnum == DTILE_WATERBUBBLEMAKER)
		{	// JBF 20030913: Pisses off move(), eg. in bobsp2
			Printf(TEXTCOLOR_YELLOW "WARNING: DTILE_WATERBUBBLEMAKER %d @ %d,%d with hitag!=0. Applying fixup.\n", act->GetIndex(), int(act->spr.pos.X), int(act->spr.pos.Y));
			act->spr.hitag = 0;
		}
		act->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
		ChangeActorStat(act, STAT_STANDABLE);
		break;
	case DTILE_OCTABRAINSTAYPUT:
	case DTILE_LIZTROOPSTAYPUT:
	case DTILE_LIZMANSTAYPUT:
	case DTILE_BOSS1STAYPUT:
	case DTILE_COMMANDERSTAYPUT:
	case DTILE_BOSS4STAYPUT:
		act->actorstayput = act->sector();
		[[fallthrough]];
	case DTILE_BOSS1:
	case DTILE_BOSS2:
	case DTILE_BOSS3:
	case DTILE_BOSS4:
	case DTILE_ROTATEGUN:
	case DTILE_DRONE:
	case DTILE_LIZTROOPONTOILET:
	case DTILE_LIZTROOPJUSTSIT:
	case DTILE_LIZTROOPSHOOT:
	case DTILE_LIZTROOPJETPACK:
	case DTILE_LIZTROOPDUCKING:
	case DTILE_LIZTROOPRUNNING:
	case DTILE_LIZTROOP:
	case DTILE_OCTABRAIN:
	case DTILE_COMMANDER:
	case DTILE_LIZMAN:
	case DTILE_LIZMANSPITTING:
	case DTILE_LIZMANFEEDING:
	case DTILE_LIZMANJUMP:
	case DTILE_ORGANTIC:
	case DTILE_SHARK:

		if (act->spr.pal == 0)
		{
			switch (act->spr.picnum)
			{
			case DTILE_LIZTROOPONTOILET:
			case DTILE_LIZTROOPSHOOT:
			case DTILE_LIZTROOPJETPACK:
			case DTILE_LIZTROOPDUCKING:
			case DTILE_LIZTROOPRUNNING:
			case DTILE_LIZTROOPSTAYPUT:
			case DTILE_LIZTROOPJUSTSIT:
			case DTILE_LIZTROOP:
				act->spr.pal = 22;
				break;
			}
		}

		if (bossguy(act))
		{
			if (actj && isrespawncontroller(actj))
				act->spr.pal = actj->spr.pal;
			if (act->spr.pal && (!isWorldTour() || !(currentLevel->flags & LEVEL_WT_BOSSSPAWN) || act->spr.pal != 22))
			{
				act->clipdist = 20;
				act->spr.scale = DVector2(0.625, 0.625);
			}
			else
			{
				act->spr.scale = DVector2(1.25, 1.25);
				act->clipdist = 41;
			}
		}
		else
		{
			if (act->spr.picnum != DTILE_SHARK)
			{
				act->spr.scale = DVector2(0.625, 0.625);
				act->clipdist = 20;
			}
			else
			{
				act->spr.scale = DVector2(0.9375, 0.9375);
				act->clipdist = 10;
			}
		}

		if (actj) act->spr.lotag = 0;

		if ((act->spr.lotag > ud.player_skill) || ud.monsters_off == 1)
		{
			act->spr.scale = DVector2(0, 0);
			ChangeActorStat(act, STAT_MISC);
			break;
		}
		else
		{
			makeitfall(act);

			act->spr.cstat |= CSTAT_SPRITE_BLOCK_ALL;
			if (act->spr.picnum != DTILE_SHARK)
				ps[myconnectindex].max_actors_killed++;

			if (act->spr.picnum == DTILE_ORGANTIC) act->spr.cstat |= CSTAT_SPRITE_YCENTER;

			if (actj)
			{
				act->timetosleep = 0;
				check_fta_sounds_d(act);
				ChangeActorStat(act, STAT_ACTOR);
			}
			else ChangeActorStat(act, STAT_ZOMBIEACTOR);
		}

		if (act->spr.picnum == DTILE_ROTATEGUN)
			act->vel.Z = 0;

		break;

	case DTILE_FLAMETHROWERSPRITE:
	case DTILE_FLAMETHROWERAMMO: // Twentieth Anniversary World Tour
		if (!isWorldTour())
			break;
		[[fallthrough]];

	case DTILE_STEROIDS:
	case DTILE_HEATSENSOR:
	case DTILE_SHIELD:
	case DTILE_AIRTANK:
	case DTILE_TRIPBOMBSPRITE:
	case DTILE_JETPACK:
	case DTILE_HOLODUKE:

	case DTILE_FIRSTGUNSPRITE:
	case DTILE_CHAINGUNSPRITE:
	case DTILE_SHOTGUNSPRITE:
	case DTILE_RPGSPRITE:
	case DTILE_SHRINKERSPRITE:
	case DTILE_FREEZESPRITE:
	case DTILE_DEVISTATORSPRITE:

	case DTILE_SHOTGUNAMMO:
	case DTILE_FREEZEAMMO:
	case DTILE_HBOMBAMMO:
	case DTILE_CRYSTALAMMO:
	case DTILE_GROWAMMO:
	case DTILE_DEVISTATORAMMO:
	case DTILE_RPGAMMO:
	case DTILE_BOOTS:
	case DTILE_AMMO:
	case DTILE_AMMOLOTS:
	case DTILE_COLA:
	case DTILE_FIRSTAID:
		if (actj)
		{
			act->spr.lotag = 0;
			act->spr.pos.Z -= 32;
			act->vel.Z = -4;
			ssp(act, CLIPMASK0);
			if (krand() & 4) act->spr.cstat |= CSTAT_SPRITE_XFLIP;
		}
		else
		{
			act->SetOwner(act);
			act->spr.cstat = 0;
		}

		if ((ud.multimode < 2 && act->spr.pal != 0) || (act->spr.lotag > ud.player_skill))
		{
			act->spr.scale = DVector2(0, 0);
			ChangeActorStat(act, STAT_MISC);
			break;
		}

		act->spr.pal = 0;
		[[fallthrough]];

	case DTILE_ACCESSCARD:

		if (ud.multimode > 1 && ud.coop != 1 && act->spr.picnum == DTILE_ACCESSCARD)
		{
			act->spr.scale = DVector2(0, 0);
			ChangeActorStat(act, STAT_MISC);
			break;
		}
		else
		{
			if (act->spr.picnum == DTILE_AMMO)
				act->spr.scale = DVector2(0.25, 0.25);
			else act->spr.scale = DVector2(0.5, 0.5);
		}

		act->spr.shade = -17;

		if (actj) ChangeActorStat(act, STAT_ACTOR);
		else
		{
			ChangeActorStat(act, STAT_ZOMBIEACTOR);
			makeitfall(act);
		}
		break;

	case DTILE_FLOORFLAME:
		act->spr.shade = -127;
		ChangeActorStat(act, STAT_STANDABLE);
		break;

	case DTILE_STEAM:
		if (actj)
		{
			act->spr.Angles.Yaw = actj->spr.Angles.Yaw;
			act->spr.cstat = CSTAT_SPRITE_ALIGNMENT_WALL | CSTAT_SPRITE_YCENTER | CSTAT_SPRITE_TRANSLUCENT;
			act->spr.scale = DVector2(REPEAT_SCALE, REPEAT_SCALE);
			act->vel.X = -0.5;
			ssp(act, CLIPMASK0);
		}
		[[fallthrough]];
	case DTILE_CEILINGSTEAM:
		ChangeActorStat(act, STAT_STANDABLE);
		break;

	case DTILE_RUBBERCAN:
		act->spr.extra = 0;
		[[fallthrough]];
	case DTILE_EXPLODINGBARREL:
	case DTILE_HORSEONSIDE:
	case DTILE_FIREBARREL:
	case DTILE_NUKEBARREL:
	case DTILE_FIREVASE:
	case DTILE_NUKEBARRELDENTED:
	case DTILE_NUKEBARRELLEAKED:
	case DTILE_WOODENHORSE:

		if (actj)
			act->spr.scale = DVector2(0.5, 0.5);
		act->clipdist = 18;
		makeitfall(act);
		if (actj) act->SetOwner(actj);
		else act->SetOwner(act);
		[[fallthrough]];

	case DTILE_EGG:
		if (ud.monsters_off == 1 && act->spr.picnum == DTILE_EGG)
		{
			act->spr.scale = DVector2(0, 0);
			ChangeActorStat(act, STAT_MISC);
		}
		else
		{
			if (act->spr.picnum == DTILE_EGG)
			{
				act->clipdist = 6;
				ps[connecthead].max_actors_killed++;
			}
			act->spr.cstat = CSTAT_SPRITE_BLOCK_ALL | randomXFlip();
			ChangeActorStat(act, STAT_ZOMBIEACTOR);
		}
		break;
	}
	return act;
}

END_DUKE_NS