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kd_act2.c
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kd_act2.c
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/* Keen Dreams Source Code
* Copyright (C) 2014 Javier M. Chavez
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
// KD_ACT1.C
#include "KD_DEF.H"
#pragma hdrstop
/*
=============================================================================
LOCAL CONSTANTS
=============================================================================
*/
#define PLACESPRITE RF_PlaceSprite (&ob->sprite,ob->x,ob->y,ob->shapenum, \
spritedraw,0);
void ProjectileReact (objtype *ob);
/*
=============================================================================
TATER TROOPER
temp1 = chasing player
temp2 = nothink time
=============================================================================
*/
void TaterThink (objtype *ob);
void BackupReact (objtype *ob);
extern statetype s_taterwalk1;
extern statetype s_taterwalk2;
extern statetype s_taterwalk3;
extern statetype s_taterwalk4;
extern statetype s_taterattack1;
extern statetype s_taterattack2;
extern statetype s_taterattack3;
#pragma warn -sus
statetype s_taterwalk1 = {TATERTROOPWALKL1SPR,TATERTROOPWALKR1SPR,step,false,
true,10, 128,0, TaterThink, NULL, WalkReact, &s_taterwalk2};
statetype s_taterwalk2 = {TATERTROOPWALKL2SPR,TATERTROOPWALKR2SPR,step,false,
true,10, 128,0, TaterThink, NULL, WalkReact, &s_taterwalk3};
statetype s_taterwalk3 = {TATERTROOPWALKL3SPR,TATERTROOPWALKR3SPR,step,false,
true,10, 128,0, TaterThink, NULL, WalkReact, &s_taterwalk4};
statetype s_taterwalk4 = {TATERTROOPWALKL4SPR,TATERTROOPWALKR4SPR,step,false,
true,10, 128,0, TaterThink, NULL, WalkReact, &s_taterwalk1};
statetype s_taterattack1= {TATERTROOPLUNGEL1SPR,TATERTROOPLUNGER1SPR,step,false,
false,12, 0,0, NULL, NULL, BackupReact, &s_taterattack2};
statetype s_taterattack2= {TATERTROOPLUNGEL2SPR,TATERTROOPLUNGER2SPR,step,false,
false,20, 0,0, NULL, NULL, DrawReact, &s_taterattack3};
statetype s_taterattack3= {TATERTROOPLUNGEL1SPR,TATERTROOPLUNGER1SPR,step,false,
false,8, 0,0, NULL, NULL, DrawReact, &s_taterwalk1};
#pragma warn +sus
/*
====================
=
= SpawnTater
=
====================
*/
void SpawnTater (int tilex, int tiley)
{
GetNewObj (false);
new->obclass = taterobj;
new->x = tilex<<G_T_SHIFT;
new->y = (tiley<<G_T_SHIFT)-2*BLOCKSIZE + 15;
new->xdir = 1;
new->ydir = 1;
NewState (new,&s_taterwalk1);
new->hitnorth = 1;
}
/*
====================
=
= TaterThink
=
====================
*/
void TaterThink (objtype *ob)
{
int delta;
if (ob->top > player->bottom || ob->bottom < player->top)
return;
if ( ob->xdir == -1 )
{
delta = ob->left - player->right;
if (delta > TILEGLOBAL)
return;
if (delta < -8*PIXGLOBAL)
{
ob->xdir = 1;
return;
}
SD_PlaySound (TATERSWINGSND);
ob->state = &s_taterattack1;
return;
}
else
{
delta = player->left - ob->right;
if (delta > TILEGLOBAL)
return;
if (delta < -8*PIXGLOBAL)
{
ob->xdir = -1;
return;
}
SD_PlaySound (TATERSWINGSND);
ob->state = &s_taterattack1;
return;
}
}
/*
====================
=
= BackupReact
=
====================
*/
void BackupReact (objtype *ob)
{
if (!ob->hitnorth)
{
ob->x-=ob->xmove;
ob->y-=ob->ymove;
}
PLACESPRITE;
}
/*
=============================================================================
CANTELOUPE CART
=============================================================================
*/
extern statetype s_cartroll1;
extern statetype s_cartroll2;
void CartReact (objtype *ob);
#pragma warn -sus
statetype s_cartroll1 = {CANTCARTL1SPR,CANTCARTL1SPR,slide,true,
false,5, 32,0, NULL, NULL, CartReact, &s_cartroll2};
statetype s_cartroll2 = {CANTCARTL2SPR,CANTCARTL2SPR,slide,true,
false,5, 32,0, NULL, NULL, CartReact, &s_cartroll1};
#pragma warn +sus
/*
====================
=
= SpawnCart
=
====================
*/
void SpawnCart (int tilex, int tiley)
{
GetNewObj (false);
new->obclass = cartobj;
new->x = tilex<<G_T_SHIFT;
new->y = (tiley<<G_T_SHIFT)-3*PIXGLOBAL;
new->xdir = 1;
new->ydir = 1;
new->active = allways;
NewState (new,&s_cartroll1);
}
/*
====================
=
= CartReact
=
====================
*/
void CartReact (objtype *ob)
{
unsigned far *map;
if (ob->xdir == 1 && ob->hitwest)
{
ob->xdir = -1;
}
else if (ob->xdir == -1 && ob->hiteast)
{
ob->xdir = 1;
}
map = mapsegs[1] + mapbwidthtable[ob->tilebottom+1]/2;
if (ob->xdir == 1)
map += ob->tileright;
else
map += ob->tileleft;
if ( !tinf[NORTHWALL + *map] )
ob->xdir = -ob->xdir;
PLACESPRITE;
}
/*
=============================================================================
FRENCHY
=============================================================================
*/
#define FRYXSPEED 40
#define FRYYSPEED -20
void FrenchyThink (objtype *ob);
void FrenchyRunThink (objtype *ob);
void FrenchyThrow (objtype *ob);
extern statetype s_frenchywalk1;
extern statetype s_frenchywalk2;
extern statetype s_frenchywalk3;
extern statetype s_frenchywalk4;
extern statetype s_frenchyrun1;
extern statetype s_frenchyrun2;
extern statetype s_frenchyrun3;
extern statetype s_frenchyrun4;
extern statetype s_frenchythrow1;
extern statetype s_frenchythrow2;
extern statetype s_frenchythrow3;
extern statetype s_fry1;
extern statetype s_fry2;
#pragma warn -sus
statetype s_frenchywalk1 = {FRENCHYRUNL1SPR,FRENCHYRUNR1SPR,step,false,
true,10, 128,0, FrenchyThink, NULL, WalkReact, &s_frenchywalk2};
statetype s_frenchywalk2 = {FRENCHYRUNL2SPR,FRENCHYRUNR2SPR,step,false,
true,10, 128,0, FrenchyThink, NULL, WalkReact, &s_frenchywalk3};
statetype s_frenchywalk3 = {FRENCHYRUNL3SPR,FRENCHYRUNR3SPR,step,false,
true,10, 128,0, FrenchyThink, NULL, WalkReact, &s_frenchywalk4};
statetype s_frenchywalk4 = {FRENCHYRUNL4SPR,FRENCHYRUNR4SPR,step,false,
true,10, 128,0, FrenchyThink, NULL, WalkReact, &s_frenchywalk1};
statetype s_frenchyrun1 = {FRENCHYRUNL1SPR,FRENCHYRUNR1SPR,step,true,
true,5, 128,0, FrenchyRunThink, NULL, WalkReact, &s_frenchyrun2};
statetype s_frenchyrun2 = {FRENCHYRUNL2SPR,FRENCHYRUNR2SPR,step,true,
true,5, 128,0, FrenchyRunThink, NULL, WalkReact, &s_frenchyrun3};
statetype s_frenchyrun3 = {FRENCHYRUNL3SPR,FRENCHYRUNR3SPR,step,true,
true,5, 128,0, FrenchyRunThink, NULL, WalkReact, &s_frenchyrun4};
statetype s_frenchyrun4 = {FRENCHYRUNL4SPR,FRENCHYRUNR4SPR,step,true,
true,5, 128,0, FrenchyRunThink, NULL, WalkReact, &s_frenchyrun1};
statetype s_frenchythrow1 = {FRENCHYTHROWL1SPR,FRENCHYTHROWR1SPR,step,false,
false,10, 0,0, NULL, NULL, DrawReact, &s_frenchythrow2};
statetype s_frenchythrow2 = {FRENCHYTHROWL2SPR,FRENCHYTHROWR2SPR,step,false,
false,1, 0,0, FrenchyThrow, NULL, DrawReact, &s_frenchythrow3};
statetype s_frenchythrow3 = {FRENCHYTHROWL2SPR,FRENCHYTHROWR2SPR,step,false,
false,10, -128,0, NULL, NULL, DrawReact, &s_frenchywalk1};
statetype s_fry1 = {FRENCHFRY1SPR,FRENCHFRY1SPR,stepthink,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_fry2};
statetype s_fry2 = {FRENCHFRY2SPR,FRENCHFRY2SPR,stepthink,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_fry1};
#pragma warn +sus
/*
====================
=
= SpawnFrenchy
=
====================
*/
void SpawnFrenchy (int tilex, int tiley)
{
GetNewObj (false);
new->obclass = frenchyobj;
new->x = tilex<<G_T_SHIFT;
new->y = (tiley<<G_T_SHIFT)-2*BLOCKSIZE;
new->xdir = 1;
new->ydir = 1;
NewState (new,&s_frenchywalk1);
}
/*
====================
=
= FrenchyRunThink
=
====================
*/
void FrenchyRunThink (objtype *ob)
{
ob->state = &s_frenchywalk1;
}
/*
====================
=
= FrenchyThrow
=
====================
*/
void FrenchyThrow (objtype *ob)
{
GetNewObj (true);
new->obclass = shotobj;
if (ob->xdir == 1)
{
new->x = ob->x+24*16;
new->y = ob->y+8*16;
}
else
{
new->x = ob->x;
new->y = ob->y+8*16;
}
new->xdir = ob->xdir;
new->ydir = 1;
new->xspeed = ob->xdir * FRYXSPEED-(US_RndT()>>4);
new->yspeed = FRYYSPEED;
new->active = removable;
NewState (new,&s_fry1);
ob->nothink = 2;
}
/*
====================
=
= FrenchyThink
=
====================
*/
void FrenchyThink (objtype *ob)
{
int delta;
if ( abs(ob->y - player->y) > 3*TILEGLOBAL )
{
if (US_RndT()<8)
ob->xdir = -ob->xdir; // turn randomly
return;
}
delta = player->x - ob->x;
if (delta < -8*TILEGLOBAL)
{
// walk closer
ob->xdir = -1;
}
if (delta < -4*TILEGLOBAL)
{
// throw
ob->xdir = -1;
ob->state = &s_frenchythrow1;
}
else if (delta < 0)
{
// run away
ob->xdir = 1;
ob->state = &s_frenchyrun1;
ob->nothink = 8;
}
else if (delta < 4*TILEGLOBAL)
{
// run away
ob->xdir = -1;
ob->state = &s_frenchyrun1;
ob->nothink = 8;
}
else if (delta < 8*TILEGLOBAL)
{
// throw and walk closer
ob->xdir = 1;
ob->state = &s_frenchythrow1;
}
else
{
// walk closer
ob->xdir = 1;
}
}
/*
=============================================================================
MELON LIPS
ob->temp1 = direction : 0 = left, 1 = right, 2 = down
=============================================================================
*/
#define SPITXSPEED 48
#define SPITYSPEED -20
void MelonSpitThink (objtype *ob);
void ProjectileReact (objtype *ob);
extern statetype s_melonside;
extern statetype s_melonsidespit;
extern statetype s_melonsidespit2;
extern statetype s_melondown;
extern statetype s_melondownspit;
extern statetype s_melondownspit2;
extern statetype s_melonseed1;
extern statetype s_melonseed2;
extern statetype s_melonseedd1;
extern statetype s_melonseedd2;
#pragma warn -sus
statetype s_melonside = {MELONLIPSL1SPR,MELONLIPSR1SPR,step,false,
false,200, 0,0, NULL, NULL, DrawReact, &s_melonsidespit};
statetype s_melonsidespit= {MELONLIPSL2SPR,MELONLIPSR2SPR,step,false,
false,6, 0,0, MelonSpitThink, NULL, DrawReact, &s_melonsidespit2};
statetype s_melonsidespit2= {MELONLIPSL2SPR,MELONLIPSR2SPR,step,false,
false,6, 0,0, NULL, NULL, DrawReact, &s_melonside};
statetype s_melondown = {MELONLIPSD1SPR,MELONLIPSD1SPR,step,false,
false,200, 0,0, NULL, NULL, DrawReact, &s_melondownspit};
statetype s_melondownspit = {MELONLIPSD2SPR,MELONLIPSD2SPR,step,false,
false,6, 0,0, MelonSpitThink, NULL, DrawReact, &s_melondownspit2};
statetype s_melondownspit2 = {MELONLIPSD2SPR,MELONLIPSD2SPR,step,false,
false,6, 0,0, NULL, NULL, DrawReact, &s_melondown};
statetype s_melonseed1 = {MELONSEEDL1SPR,MELONSEEDR1SPR,think,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_melonseed2};
statetype s_melonseed2 = {MELONSEEDL2SPR,MELONSEEDR2SPR,think,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_melonseed1};
statetype s_melonseedd1 = {MELONSEEDD1SPR,MELONSEEDD1SPR,stepthink,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_melonseedd2};
statetype s_melonseedd2 = {MELONSEEDD2SPR,MELONSEEDD2SPR,stepthink,false,
false,4, 0,0, ProjectileThink, NULL, ProjectileReact, &s_melonseedd1};
#pragma warn +sus
/*
====================
=
= SpawnMelon
=
====================
*/
void SpawnMelon (int tilex, int tiley,int dir)
{
GetNewObj (false);
new->obclass = melonobj;
new->x = tilex<<G_T_SHIFT;
new->y = tiley<<G_T_SHIFT;
if (dir)
new->xdir = 1;
else
new->xdir = -1;
if (dir <2)
NewState (new,&s_melonside);
else
NewState (new,&s_melondown);
new->ticcount = US_RndT()>>1;
new->temp1 = dir;
}
/*
====================
=
= MelonSpitThink
=
====================
*/
void MelonSpitThink (objtype *ob)
{
GetNewObj (false);
new->obclass = shotobj;
switch (ob->temp1)
{
case 0:
new->x = ob->x+24*16;
new->y = ob->y+8*16;
new->xdir = ob->xdir;
new->ydir = 1;
new->xspeed = -SPITXSPEED-(US_RndT()>>4);
new->yspeed = SPITYSPEED;
NewState (new,&s_melonseed1);
break;
case 1:
new->x = ob->x;
new->y = ob->y+8*16;
new->xdir = ob->xdir;
new->ydir = 1;
new->xspeed = SPITXSPEED+(US_RndT()>>4);
new->yspeed = SPITYSPEED;
NewState (new,&s_melonseed1);
break;
case 2:
new->x = ob->x+8*16;
new->y = ob->y+24*16;
new->ydir = 1;
new->yspeed = -SPITYSPEED;
NewState (new,&s_melonseedd1);
break;
}
new->active = removable;
}
/*
============================
=
= ProjectileReact
=
============================
*/
void ProjectileReact (objtype *ob)
{
unsigned wall,absx,absy,angle,newangle;
unsigned long speed;
PLACESPRITE;
if (ob->hiteast || ob->hitwest)
ob->xspeed= -ob->xspeed/2;
if (ob->hitsouth)
ob->yspeed= -ob->yspeed/2;
wall = ob->hitnorth;
if (wall)
{
if (ob->yspeed < 0)
ob->yspeed = 0;
absx = abs(ob->xspeed);
absy = ob->yspeed;
if (absx>absy)
{
if (absx>absy*2) // 22 degrees
{
angle = 0;
speed = absx*286; // x*sqrt(5)/2
}
else // 45 degrees
{
angle = 1;
speed = absx*362; // x*sqrt(2)
}
}
else
{
if (absy>absx*2) // 90 degrees
{
angle = 3;
speed = absy*256;
}
else
{
angle = 2; // 67 degrees
speed = absy*286; // y*sqrt(5)/2
}
}
if (ob->xspeed > 0)
angle = 7-angle;
speed >>= 1;
newangle = bounceangle[ob->hitnorth][angle];
switch (newangle)
{
case 0:
ob->xspeed = speed / 286;
ob->yspeed = -ob->xspeed / 2;
break;
case 1:
ob->xspeed = speed / 362;
ob->yspeed = -ob->xspeed;
break;
case 2:
ob->yspeed = -(speed / 286);
ob->xspeed = -ob->yspeed / 2;
break;
case 3:
case 4:
ob->xspeed = 0;
ob->yspeed = -(speed / 256);
break;
case 5:
ob->yspeed = -(speed / 286);
ob->xspeed = ob->yspeed / 2;
break;
case 6:
ob->xspeed = ob->yspeed = -(speed / 362);
break;
case 7:
ob->xspeed = -(speed / 286);
ob->yspeed = ob->xspeed / 2;
break;
case 8:
ob->xspeed = -(speed / 286);
ob->yspeed = -ob->xspeed / 2;
break;
case 9:
ob->xspeed = -(speed / 362);
ob->yspeed = -ob->xspeed;
break;
case 10:
ob->yspeed = speed / 286;
ob->xspeed = -ob->yspeed / 2;
break;
case 11:
case 12:
ob->xspeed = 0;
ob->yspeed = -(speed / 256);
break;
case 13:
ob->yspeed = speed / 286;
ob->xspeed = ob->yspeed / 2;
break;
case 14:
ob->xspeed = speed / 362;
ob->yspeed = speed / 362;
break;
case 15:
ob->xspeed = speed / 286;
ob->yspeed = ob->xspeed / 2;
break;
}
if (speed < 256*16)
RemoveObj (ob);
}
}
/*
=============================================================================
SQUASHER
=============================================================================
*/
#define SPDSQUASHLEAPY 50
void SquasherThink (objtype *ob);
void SquasherJumpReact (objtype *ob);
extern statetype s_squasherwalk1;
extern statetype s_squasherwalk2;
extern statetype s_squasherjump1;
extern statetype s_squasherjump2;
extern statetype s_squasherwait;
#pragma warn -sus
statetype s_squasherwalk1 = {SQUASHERWALKL1SPR,SQUASHERWALKR1SPR,step,false,
true,10, 128,0, SquasherThink, NULL, WalkReact, &s_squasherwalk2};
statetype s_squasherwalk2 = {SQUASHERWALKL2SPR,SQUASHERWALKR2SPR,step,false,
true,10, 128,0, SquasherThink, NULL, WalkReact, &s_squasherwalk1};
statetype s_squasherjump1 = {SQUASHERJUMPL1SPR,SQUASHERJUMPR1SPR,stepthink,false,
false,20, 0,0, ProjectileThink, NULL, SquasherJumpReact, &s_squasherjump2};
statetype s_squasherjump2 = {SQUASHERJUMPL2SPR,SQUASHERJUMPR2SPR,think,false,
false,0, 0,0, ProjectileThink, NULL, SquasherJumpReact, NULL};
statetype s_squasherwait = {SQUASHERJUMPL2SPR,SQUASHERJUMPR2SPR,step,false,
false,10, 0,0, ProjectileThink, NULL, DrawReact, &s_squasherwalk1};
#pragma warn +sus
/*
====================
=
= SpawnSquasher
=
====================
*/
void SpawnSquasher (int tilex, int tiley)
{
GetNewObj (false);
new->obclass = squashobj;
new->x = tilex<<G_T_SHIFT;
new->y = (tiley<<G_T_SHIFT)-2*BLOCKSIZE;
new->xdir = 1;
new->ydir = 1;
NewState (new,&s_squasherwalk1);
}
/*
====================
=
= SquasherThink
=
====================
*/
void SquasherThink (objtype *ob)
{
int delta;
if ( abs(ob->y - player->y) > 3*TILEGLOBAL )
{
if (US_RndT()<8)
ob->xdir = -ob->xdir; // turn randomly
return;
}
delta = player->x - ob->x;
if ( ob->xdir == -1 )
{
if (delta < -6*TILEGLOBAL)
return;
if (delta > 8*PIXGLOBAL)
{
ob->xdir = 1;
return;
}
}
else
{
if (delta > 6*TILEGLOBAL)
return;
if (delta < -8*PIXGLOBAL)
{
ob->xdir = 1;
return;
}
}
ob->yspeed = -SPDSQUASHLEAPY;
ob->xspeed = delta/60;
ob->state = &s_squasherjump1;
}
/*
====================
=
= SquasherJumpReact
=
====================
*/
void SquasherJumpReact (objtype *ob)
{
if (ob->hitsouth)
ob->yspeed = 0;
if (ob->hitnorth)
ChangeState (ob,&s_squasherwait);
PLACESPRITE;
}
/*
=============================================================================
APEL
temp4 = pole x coordinate
=============================================================================
*/
void ApelThink (objtype *ob);
void ApelClimbThink (objtype *ob);
void ApelSlideThink (objtype *ob);
void ApelFallThink (objtype *ob);
void ApelClimbReact (objtype *ob);
void ApelSlideReact (objtype *ob);
void ApelFallReact (objtype *ob);
extern statetype s_apelwalk1;
extern statetype s_apelwalk2;
extern statetype s_apelwalk3;
extern statetype s_apelclimb1;
extern statetype s_apelclimb2;
extern statetype s_apelslide1;
extern statetype s_apelslide2;
extern statetype s_apelslide3;
extern statetype s_apelslide4;
extern statetype s_apelfall;
#pragma warn -sus
statetype s_apelwalk1 = {APELWALKL1SPR,APELWALKR1SPR,step,false,
true,10, 128,0, ApelThink, NULL, WalkReact, &s_apelwalk2};
statetype s_apelwalk2 = {APELWALKL2SPR,APELWALKR2SPR,step,false,
true,10, 128,0, ApelThink, NULL, WalkReact, &s_apelwalk3};
statetype s_apelwalk3 = {APELWALKL3SPR,APELWALKR3SPR,step,false,
true,10, 128,0, ApelThink, NULL, WalkReact, &s_apelwalk1};
statetype s_apelclimb1 = {APELSHINNY1SPR,APELSHINNY1SPR,slide,false,
false,6, 0,-16, ApelClimbThink, NULL, ApelClimbReact, &s_apelclimb2};
statetype s_apelclimb2 = {APELSHINNY2SPR,APELSHINNY2SPR,slide,false,
false,6, 0,-16, ApelClimbThink, NULL, ApelClimbReact, &s_apelclimb1};
statetype s_apelslide1 = {APELSLIDE1SPR,APELSLIDE1SPR,slide,false,
false,6, 0,16, ApelSlideThink, NULL, ApelFallReact, &s_apelslide2};
statetype s_apelslide2 = {APELSLIDE2SPR,APELSLIDE2SPR,slide,false,
false,6, 0,16, ApelSlideThink, NULL, ApelFallReact, &s_apelslide3};
statetype s_apelslide3 = {APELSLIDE3SPR,APELSLIDE3SPR,slide,false,
false,6, 0,16, ApelSlideThink, NULL, ApelFallReact, &s_apelslide4};
statetype s_apelslide4 = {APELSLIDE4SPR,APELSLIDE4SPR,slide,false,
false,6, 0,16, ApelSlideThink, NULL, ApelFallReact, &s_apelslide1};
statetype s_apelfall = {APELWALKL1SPR,APELWALKR1SPR,think,false,
false,0, 0,0, ProjectileThink, NULL, ApelFallReact, NULL};
#pragma warn +sus
/*
====================
=
= SpawnApel
=
====================
*/
void SpawnApel (int tilex, int tiley)
{
GetNewObj (false);
new->obclass = apelobj;
new->x = tilex<<G_T_SHIFT;
new->y = (tiley<<G_T_SHIFT)-2*BLOCKSIZE;
new->xdir = 1;
new->ydir = 1;
NewState (new,&s_apelwalk1);
}
/*
====================
=
= ApelThink
=
====================
*/
void ApelThink (objtype *ob)
{
int x,y;
unsigned far *map;
if (ob->top > player->bottom || ob->bottom < player->top)
{
//
// try to climb a pole to reach player
//
if (ob->y < player->y)
y = ob->tilebottom;
else
y = ob->tiletop;
map = (unsigned _seg *)mapsegs[1]+
mapbwidthtable[y]/2 + ob->tilemidx;
if ((tinf[INTILE+*map]&0x7f) == 1)
{
ob->xmove = (ob->tilemidx<<G_T_SHIFT) - ob->x;
ob->ymove = 0;
ob->temp4 = ob->tilemidx; // for future reference
ob->needtoclip = false; // can climb through pole holes
if (ob->y < player->y)
ob->state = &s_apelslide1;
else
ob->state = &s_apelclimb1;
return;
}
}
if (US_RndT()>32) // don't turn around all the time
return;
if (ob->x < player->x)
ob->xdir = 1;
else
ob->xdir = -1;
}
/*
====================
=
= ApelClimbThink
=
====================
*/
void ApelClimbThink (objtype *ob)
{
unsigned far *map;
map = (unsigned _seg *)mapsegs[1]+
mapbwidthtable[ob->tiletop]/2 + ob->temp4;
if ((tinf[INTILE+*map]&0x7f) != 1)
{
ob->needtoclip = true;
ob->state = &s_apelfall;
}
}
/*
====================
=
= ApelSlideThink
=
====================
*/
void ApelSlideThink (objtype *ob)
{
unsigned far *map;
map = (unsigned _seg *)mapsegs[1]+
mapbwidthtable[ob->tilebottom]/2 + ob->temp4;