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thing.c
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thing.c
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#include <stdlib.h>
#include <math.h>
#include <SDL/SDL.h>
#include "thing.h"
#include "tile.h"
#include "physics.h"
#include "game.h"
#define LVLMAX 500
#define THINGMAX 250
#define BOSSMAX 10
#define PARTICLEMAX 2500
#define ACCEL 0.4
#define FRICT 0.4
#define BERETFRICT 0.7
#define LINKACCEL 2
#define LINKSPEED 8
#define TAP_TIME 8
#define GRAVITY 0.4
#define JUMP_SPEED 6
#define WALK_SPEED 2.5
#define RUN_SPEED 4
#define TELEMODIF 0.175
#define TELECAP 17.5
#define TELEACCEL 3
#define SPR_SIZE 30
#define CORNER 6
#define FRICTMOD 0.08
#define ICYMOD 0.15
#define FLOATMOD 0.15
#define SMALLSIZE 20
#define TINYSIZE 10
#define ENEMYCRASH 13
#define RUNMARGIN 9
#define JUMPGRACE 5
#define NOMOVETIME 3
#define MOVERSPEED 7.5
#define MOVERACC 3
#define SWITCH_BOUNCE_ERROR 10
#define PI 3.14159265
#define TURRET_SHOOT_SPEED 13.5
#define BLOCKSTER_SHOOT_SPEED 16
#define BLOCKSTER_SHOOT_VSPEED 3
#define BLOCKSTER_COUNT 14
#define GHOST_DIST 190
#define GHOST_TOO_FAST 7
#define GHOST_CHASE_DIST 300
#define REINC_MARGIN 10
#define REINC_CENTER_OFFST 30
#define TOPHATMAXSUBTYPE 3
#define SHIELDVEL 12
#define SHIELDGENNUM 5
#define GREENFLAG 0x1
#define REDFLAG 0x2
#define CREATORFLAG 0x4
#define NOCOLLIDEFLAG 0x8
#define KEYPRESSED 0x10
#define REINCARNATE 0x20
int leftTime=0, rightTime=0, upTime=0;
int runMargin=0, jumpGrace=0, holdShift=0, shiftRun=0;
ThingNode* thingnodes[THINGMAX+1];
int floorchecked[THINGMAX+1];
int bossvars[BOSSMAX];
int* get_bossvars() {
return bossvars;
}
int get_jumpgrace() { return jumpGrace; }
void set_jumpgrace(int val) { jumpGrace = val; }
int get_runmargin() { return runMargin; }
void set_runmargin(int val) { runMargin = val; }
void initialize_thingnodes() {
int i;
for (i=0; i<THINGMAX+1; i++)
thingnodes[i] = 0;
}
// Find the closest object of the given type to the given coordinates
// If the given type is NOTYPE, search for the closest pickupable object
int closest_thing(Thing things[THINGMAX], int bcx, int bcy,
int* count, int searchtype) {
int temp, temp2 = 10000, temp3 = -1, temp4;
int ocx, ocy, cnt=0;
for (temp=0; temp<THINGMAX; temp++) {
if ((things[temp].type == searchtype ||
(searchtype == NOTYPE && things[temp].pickup && !things[temp].telething)) &&
!things[temp].dead) {
cnt++;
if ((!things[temp].telething && things[temp].subtype != 1) ||
searchtype != STONEY) {
ocx = things[temp].x+things[temp].width/2;
ocy = things[temp].y+things[temp].height/2;
temp4 = sqrt((ocx-bcx)*(ocx-bcx)+(ocy-bcy)*(ocy-bcy));
if (temp4 < temp2) {
temp2 = temp4;
temp3 = temp;
}
}
}
}
if (count) *count = cnt;
return temp3;
}
void clear_floorchecked() {
int i;
for (i=0; i<THINGMAX+1; i++)
floorchecked[i] = 0;
}
float abs_f(float f) {
return f>0?f:-f;
}
float pos_f(float f) {
return f==0?0:(f>0?1:-1);
}
int rand_to(int upper) {
int randval = upper*(rand()/(1.0*RAND_MAX));
if (randval == upper) return 0;
return randval;
}
void update_particles(Particle particles[PARTICLEMAX], int gravdir) {
int i;
for (i = 0; i < PARTICLEMAX; i++) {
if (particles[i].time > 0) {
particles[i].time--;
particles[i].x += particles[i].vx;
particles[i].y += particles[i].vy;
// deal with gravity
switch (gravdir) {
case DOWN: particles[i].vy += GRAVITY*0.25; break;
case LEFT: particles[i].vx -= GRAVITY*0.25; break;
case RIGHT: particles[i].vx += GRAVITY*0.25; break;
case UP: particles[i].vy -= GRAVITY*0.25; break;
}
// deal with friction
if (gravdir == DOWN || gravdir == UP)
particles[i].vx = apply_friction(FRICTMOD, particles[i].vx);
else
particles[i].vy = apply_friction(FRICTMOD, particles[i].vy);
}
}
}
void make_expl(int x, int y, float vx, float vy,
int color, int force, int number) {
int i = 0;
float angle, vel;
for (i = 0; i < number; i++) {
angle = rand_to(360)*PI/180;
vel = force+(1.0*(rand_to(51)-25)/25);
create_particle(x,y,vx+vel*cos(angle),vy+vel*sin(angle),
color, 10+rand_to(10));
}
}
void make_circle(int x, int y, int color1, int color2,
int radius, int number) {
int i = 0;
float angle;
for (i = 0; i < number; i++) {
angle = rand_to(360)*PI/180;
create_particle(x+(radius+rand_to(4))*cos(angle),
y+(radius+rand_to(4))*sin(angle),
rand_to(3)*cos(angle),rand_to(3)*sin(angle),
(i%2==0)?color1:color2, 3+rand_to(5));
}
}
void tile_collision(Thing* this, Thing things[250],
int tiles[500][500][3], int xpos,
int ypos, int index, int barely) {
if (!(xpos < 0 || ypos < 0 || xpos >= 500 || ypos >= 500)) {
int thistile = tiles[xpos][ypos][0];
if (!barely && thistile == CHOICEONLY) {
if (this->type == BERET) {
tiles[xpos][ypos][0] = BERETONLY;
tiles[xpos][ypos][1] = BERETONLYF;
play_sound(SND_CHOICEBERET+rand_to(3));
} else if (this->solid) {
tiles[xpos][ypos][0] = OBJONLY;
tiles[xpos][ypos][1] = OBJONLYF;
play_sound(SND_CHOICEOBJECT+rand_to(3));
}
}
if ((this->type == ANTIMATTER || this->type == ANTISEEKER ||
this->type == MATTERLY || this->type == ANTIFECTLING) &&
thistile != EMPTY && thistile != ANTITILE &&
!(thistile >= OBJONLY && thistile <= CHOICEONLY) &&
!(thistile >= MOVERU && thistile <= MOVERL) &&
!(thistile == DARKNESSTILE)) {
tiles[xpos][ypos][0] = EMPTY;
tiles[xpos][ypos][1] = NOTSOLIDB;
fix_tile_borders(xpos,ypos,1);
make_expl(xpos*30+15,ypos*30+15,0,0,PURPLE,5,75);
if (on_screen(this->x, this->y, this->width, this->height))
play_sound(SND_ANTIMATTER+rand_to(3));
}
if (this->solid && !barely && !this->infront) {
if (!this->telething) {
if (thistile == MOVERU)
this->vy = approach(this->vy, -MOVERSPEED, MOVERACC);
else if (thistile == MOVERR)
this->vx = approach(this->vx, MOVERSPEED, MOVERACC);
else if (thistile == MOVERD)
this->vy = approach(this->vy, MOVERSPEED, MOVERACC);
else if (thistile == MOVERL)
this->vx = approach(this->vx, -MOVERSPEED, MOVERACC);
}
if (this->animate) {
if (thistile == MOVERR) this->dir = 1;
else if (thistile == MOVERL) this->dir = 0;
}
if (this->type == PLATFORM) {
if ((this->subtype == 0 || this->subtype == 1) &&
(thistile == MOVERL || thistile == MOVERR)) {
this->startx = this->x + this->vx;
} else if ((this->subtype == 2 || this->subtype == 3) &&
(thistile == MOVERU || thistile == MOVERD)) {
this->starty = this->y + this->vy;
}
}
}
if (thistile >= SPIKEU && thistile <= SPIKEL &&
this->animate && this->solid && barely && this->type != ANTISEEKER &&
((thistile == SPIKEU && this->vy >= 0 &&
this->y+this->height-CORNER < ypos*SPR_SIZE &&
this->x <= (xpos+1)*SPR_SIZE-CORNER && this->x+this->width >= xpos*SPR_SIZE+CORNER) ||
(thistile == SPIKED && this->vy <= 0 &&
this->y+CORNER > (ypos+1)*SPR_SIZE &&
this->x <= (xpos+1)*SPR_SIZE-CORNER && this->x+this->width >= xpos*SPR_SIZE+CORNER) ||
(thistile == SPIKEL && this->vx >= 0 &&
this->x+this->width-CORNER < xpos*SPR_SIZE) ||
(thistile == SPIKER && this->vx <= 0 &&
this->x+CORNER > (xpos+1)*SPR_SIZE))) {
destroy_thing(this, TOUCH, things, index);
}
if (thistile == ANTITILE && this->solid && barely && !this->dead &&
this->type != ANTIMATTER && this->type != ANTISEEKER &&
this->type != MATTERLY && this->type != ANTIFECTLING &&
this->type != MATTERFRAG) {
destroy_thing(this, TOUCH, things, index);
make_expl(this->x+this->width/2,this->y+this->height/2,0,0,
PURPLE,5,75);
if (on_screen(this->x, this->y, this->width, this->height))
play_sound(SND_ANTIMATTER+rand_to(3));
}
}
}
// returns the reverse of the given direction
int rev_dir(int dir) {
switch (dir) {
case UP : return DOWN;
case RIGHT : return LEFT;
case DOWN : return UP;
case LEFT : return RIGHT;
}
printf("Error: unknown direction %d\n", dir);
return dir;
}
// traverse the linked list to determine whether this can be stood on
void check_ontele(Thing* this, ThingNode* thisnode, int index) {
floorchecked[index] = 1;
ThingNode* curnode;
for (curnode = thisnode; curnode != 0; curnode = curnode->next) {
if (floorchecked[curnode->thingindex]) {
this->ontele = -1;
break;
}
if (curnode->thing->ontele > -1) {
check_ontele(curnode->thing, thingnodes[curnode->thingindex],
curnode->thingindex);
}
if (curnode->thing->ontele == -1) {
this->ontele = -1;
break;
} else if (curnode->thing->ontele == 1)
this->ontele = 1;
}
if (this->type == BERET &&
(this->ontele == 1 || (thisnode != 0 && this->ontele == 0))) {
this->jumpdelay = 5;
}
}
void thing_collision(Thing* this, Thing* other,
int collision, int tindex, int oindex,
int *gravdir, Thing things[250], int *switchflags,
int isthisthing) {
int i, temp;
float angle;
float cx = this->x+this->width/2, cy = this->y+this->height/2;
float ocx = other->x+other->width/2, ocy = other->y+other->height/2;
// do standing on block stuff, but only if it's this thing
if (this->ontele > -1 && isthisthing && this->solid && other->solid) {
// calculate gravity modifiers
int tgravmod = *gravdir, ogravmod = *gravdir;
if (this->islinked == -1 && this->gravmod != NONE)
tgravmod = this->gravmod;
if (this->islinked > -1) {
if (things[this->islinked].gravmod != NONE) tgravmod = things[this->link].gravmod;
if ((things[this->islinked].type == LINKBLOCK && things[this->islinked].subtype == 2) ||
(this->type == LINKBLOCK && this->subtype == 3))
tgravmod = rev_dir(tgravmod);
}
if (other->islinked == -1 && other->gravmod != NONE)
ogravmod = other->gravmod;
if (other->islinked > -1) {
if (things[other->islinked].gravmod != NONE) ogravmod = things[other->link].gravmod;
if ((things[other->islinked].type == LINKBLOCK && things[other->islinked].subtype == 2) ||
(other->type == LINKBLOCK && other->subtype == 3))
ogravmod = rev_dir(ogravmod);
}
if (collision == tgravmod) {
if (tgravmod == rev_dir(ogravmod)) {
this->ontele = -1;
} else {
ThingNode* newnode = malloc(sizeof(ThingNode));
newnode->thing = other;
newnode->next = thingnodes[tindex];
newnode->thingindex = oindex;
thingnodes[tindex] = newnode;
}
}
}
/* if (this->telething && collision == UP && other->type == BERET && */
/* !(*switchflags & KEYPRESSED) && this->vx != 0 && */
/* abs(this->vx) < MOVEBERETHISPEED ) { */
/* other->vx = approach(other->vx, cx-ocx, 2); */
/* other->anim = 4; */
/* } */
switch (this->type) {
case TOPHATSHIELD :
if (other->type != TOPHAT && !other->dead && other->solid) {
temp = (other->width+other->height)/4; // avg/2
if (sqrt((cx-ocx)*(cx-ocx)+(cy-ocy)*(cy-ocy)) <= this->width/2+temp - 10) {
angle = atan2(ocy-cy, ocx-cx);
other->vx = cos(angle)*SHIELDVEL;
other->vy = sin(angle)*SHIELDVEL-12;
if (abs(other->vx) < 10) {
if (ocx > cx) this->vx = 15;
else this->vx = -15;
}
}
}
break;
case ANTIMATTER : case ANTISEEKER : case MATTERLY :
if (other->type != ANTISEEKER && other->type != ANTIMATTER &&
other->type != MATTERLY && other->type != ANTIFECTLING &&
!(other->type == MATTERFRAG && this->type == MATTERLY) &&
other->solid) {
destroy_thing(other, TOUCH, things, oindex);
make_expl(ocx,ocy,0,0,PURPLE,6,75);
if (on_screen(this->x, this->y, this->width, this->height))
play_sound(SND_ANTIMATTER+rand_to(3));
}
break;
case REINCARNATOR :
if (this->subtype == 0 && other->type == BERET &&
ocx > cx - REINC_MARGIN &&
ocx < cx + REINC_MARGIN &&
ocy > cy + REINC_CENTER_OFFST - REINC_MARGIN &&
ocy < cy + REINC_CENTER_OFFST + REINC_MARGIN) {
*switchflags |= REINCARNATE;
for (i = 0; i < THINGMAX; i++) {
if (things[i].type == REINCARNATOR && things[i].subtype == 1) {
things[i].subtype = 0;
make_expl(things[i].x+15,things[i].y+30,0,0,WHITE,4,60);
break;
}
}
this->subtype = 1;
make_expl(this->x+15,this->y+30,0,0,ORANGE,4,60);
play_sound(SND_REGENINIT);
}
break;
case CARRIER :
if (collision == UP && !this->jump &&
!this->telething && other->solid && !other->infront) {
other->vx = approach(other->vx, cx-ocx, 2);
if (other->type == BERET) other->anim = 4;
}
break;
case BERET :
if (other->deathtouch) destroy_thing(this, TOUCH, things, tindex);
if (other->type == WHITEMEDAL || other->type == MEDALCORNER ||
other->type == MEDALFRAGMENT) {
if (!other->dead) collect_thing(other);
destroy_thing(other, COLLECT, things, oindex);
}
if (!this->jump && (other->type == DOOR || other->type == FINISHDOOR || other->type == READSIGN) &&
this->x > other->x - this->width/2 && this->x < other->x + other->width - this->width/2 &&
this->y + this->height/2 > other->y)
this->timer = oindex;
if (!this->jump && other->type == SIGN) this->timer = oindex;
break;
case AURAHELPER :
if (other->animate && other->type != AURADROP && !other->dead) {
temp = (other->width+other->height)/4; // avg/2
if (sqrt((cx-ocx)*(cx-ocx)+(cy-ocy)*(cy-ocy)) < this->width/2+temp-4) {
destroy_thing(other, BOMBED, things, oindex);
make_expl(ocx,ocy,0,0,RED,6,75);
}
}
break;
case FIREBALL :
if (other->animate && oindex != this->status)
destroy_thing(other, BOMBED, things, oindex);
break;
case SPIKEBLOCK :
if (other->animate ||
(other->type == SPIKEBLOCK && other->vx == 0 && other->vy == 0 &&
!other->telething)) {
destroy_thing(other, BOMBED, things, oindex);
if (other->type == BLOCKSTER)
destroy_thing(this, BOMBED, things, tindex);
}
break;
case BOMBHELPER :
if (other->animate || other->type == BOMB ||
(other->type >= WOODBLOCK && other->type <= STONEBLOCK && other->subtype == 3)) {
temp = (other->width+other->height)/4; // avg/2
if (sqrt((cx-ocx)*(cx-ocx)+(cy-ocy)*(cy-ocy)) <=
this->width/2+temp) destroy_thing(other, BOMBED, things, oindex);
} else if (other->type == SOLIDSWITCH || other->type == GRAVITYSWITCH) {
if (other->timer == 0) {
if (other->type == SOLIDSWITCH) {
other->status = !other->status;
*switchflags ^= (other->subtype?REDFLAG:GREENFLAG);
play_sound((this->subtype?SND_SWITCHRD:SND_SWITCHGR)+rand_to(3));
} else {
other->anim += (other->subtype ? 1 : -1);
if (other->anim < UP) other->anim = LEFT;
if (other->anim > LEFT) other->anim = UP;
*gravdir = other->anim;
play_sound(SND_SWITCHGV+rand_to(3));
}
other->timer = 30;
}
}
break;
case ANTIFECTLING :
if (other->type != ANTISEEKER && other->type != ANTIMATTER &&
other->type != MATTERLY && other->type != ANTIFECTLING &&
other->solid) {
destroy_thing(other, TOUCH, things, oindex);
make_expl(ocx,ocy,0,0,PURPLE,6,75);
if (on_screen(this->x, this->y, this->width, this->height))
play_sound(SND_ANTIMATTER+rand_to(3));
}
case INFECTLING :
if ((other->type != INFECTLING ||
other->subtype != 1) && other->type != ANTIFECTLING &&
(this->subtype == 1 || other->animate || this->type == ANTIFECTLING) &&
this->timer == 0 && !other->dead && other->solid &&
!(other->type == TOPHAT && bossvars[0] < SHIELDGENNUM) &&
!(other->type == FIREBALL) &&
!(this->type == ANTIFECTLING && other->type != ANTIMATTER &&
other->type != MATTERLY && other->type != ANTISEEKER)) {
float vx = other->vx, vy = other->vy;
int startx = other->startx+other->width/2-this->width/2;
int starty = other->starty+other->height/2-this->height/2;
int islinked = (other->type == LINKBLOCK &&
other->subtype%2==1) ? -1 : other->islinked;
destroy_thing(other, INFECT, things, oindex);
if (oindex == 250) {
other->solid = 0; // to stop Beret from colliding with object
for (i = 0; i < 250; i++) {
if (things[i].type == NOTYPE) break;
}
if (i < 250) oindex = i;
}
if (oindex < 250) {
make_thing(oindex, this->type, this->subtype,
other->x+other->width/2-this->width/2,
other->y+other->height/2-this->height/2,
0, things);
things[oindex].vx = vx;
things[oindex].vy = vy;
things[oindex].startx = startx;
things[oindex].starty = starty;
things[oindex].islinked = islinked;
if (islinked > -1) things[islinked].link = oindex;
things[oindex].timer = 6;
make_expl(things[oindex].x+things[oindex].width/2,
things[oindex].y+things[oindex].height/2,
cap_val(vx/8,3), cap_val(vy/8,3),
this->type == ANTIFECTLING ? PURPLE : (this->subtype ? WHITE : GRAY),
3, 25);
}
}
break;
}
}
// returns the number of subtypes in the given type
int subtype_count(int type) {
switch (type) {
case SMWOODBLOCK: case SMICEBLOCK: case SMSTONEBLOCK:
case ANNOYINGBLOCK: case INFECTLING: case SPIKEBALL:
case MEDALFRAGMENT: case ROBOT: case STONEY:
case HOPPER: case SOLIDSWITCH:
case GRAVITYSWITCH:
return 2;
case BOMB: case FAKEBOMB : case FAKEBLOCK: case DOOR: case MATTERFRAG:
return 3;
case WOODBLOCK: case ICEBLOCK: case STONEBLOCK: case GRAVITYBLOCK:
case LINKBLOCK: case MEDALCORNER: case BIGBLOCK: case VSIGN:
case PLATFORM: case TELESEEKER: case SIGN: case SOLIDBLOCK:
case SPIKEBLOCK:
return 4;
case WHITEDIE: case BLACKDIE:
return 6;
case TOPHAT:
return TOPHATMAXSUBTYPE;
}
return 1;
}
// sets the elements in args to the correct values for
// drawing the given object
// set args[2] = -1 for no drawing
void draw_thing(Thing* this, int args[6]) {
int temp;
args[0] = this->x;
args[1] = this->y;
args[4] = 1;
args[5] = 1;
switch(this->type) {
case GRAVITYSWITCH :
args[2] = 6;
args[3] = 12+4*this->subtype+this->anim;
break;
case TURRET :
args[2] = 10+this->anim;
args[3] = 13-this->dir;
break;
case FIREBALL :
args[2] = 11;
args[3] = 5;
break;
case BLOCKSTER :
args[2] = 18;
args[3] = 10 + (int)this->anim;
break;
case SPIKEBLOCK :
args[2] = 18;
args[3] = this->subtype;
break;
case STONEY :
if (this->subtype == 2) {
args[2] = 16+this->dir;
args[3] = 9;
} else {
args[2] = 16+this->anim;
args[3] = this->subtype?6+this->dir:8;
}
break;
case SOLIDSWITCH :
args[2] = 6+this->subtype;
args[3] = this->anim;
break;
case SOLIDBLOCK :
args[2] = 4+this->subtype/2;
args[3] = this->anim;
break;
case PLATFORM :
if ((this->subtype == 0 && this->starty - this->timer + 30 <= this->y) ||
(this->subtype == 1 && this->starty + this->timer - 30 >= this->y)) {
args[1] += rand_to(3) - 1;
} else if ((this->subtype == 2 && this->startx + this->timer - 30 >= this->x) ||
(this->subtype == 3 && this->startx - this->timer + 30 <= this->x)) {
args[0] += rand_to(3) - 1;
}
args[2] = 3;
args[3] = 12+this->subtype;
args[4] = (this->subtype > 1 ? 2 : 1);
break;
case BIGBLOCK :
args[2] = (this->subtype == 3 ? 5 : 3);
args[3] = (this->subtype == 3 ? 6 : 4+this->subtype);
if (this->subtype > 1) {
args[4] = 2;
args[5] = 2;
}
break;
case MEDALFRAGMENT :
if (this->subtype < 2) {
args[2] = 2;
args[3] = 6+this->subtype;
} else {
args[2] = 8;
args[3] = 4+this->subtype;
}
break;
case MEDALCORNER :
if (this->subtype < 4) {
args[2] = (this->subtype < 3 ? 4 : 3);
args[3] = (this->subtype < 3 ? 8+this->subtype : 10);
} else if (this->subtype == 4) {
args[2] = 15;
args[3] = 15;
} else if (this->subtype == 5) {
args[2] = 17;
args[3] = 16;
} else if (this->subtype == 6) {
args[2] = 16;
args[3] = 17;
} else if (this->subtype == 7) {
args[2] = 16;
args[3] = 16;
}
break;
case WHITEMEDAL :
if (this->subtype == 0) {
args[2] = 5;
args[3] = 15;
} else {
args[2] = 15;
args[3] = 14;
}
break;
case ANTIMATTER :
args[0] -= 2;
args[2] = 15;
args[3] = 11;
break;
case FAKEBOMB :
if ((int)this->anim == 0) {
args[2] = 2;
args[3] = 2 + this->subtype;
} else {
args[2] = 15 + (int)this->anim;
args[3] = 10 + this->subtype + this->dir*3;
}
break;
case AURADROP :
args[2] = 9+this->dir*3+this->anim;
if ((int)this->anim == 3) args[2] -= 2;
args[3] = 11;
break;
case TOPHATSHIELD :
args[2] = 12;
args[3] = 14;
args[4] = 3;
args[5] = 3;
break;
case AURAHELPER :
args[2] = 11;
args[3] = 6;
args[4] = 5;
args[5] = 5;
break;
case BOMBHELPER :
args[2] = -1;
break;
case GHOST :
if (this->anim >= 3) args[2] = -1;
else {
args[2] = 8 + this->dir;
args[3] = 14 + this->anim;
}
break;
case REINCARNATOR :
args[2] = 8;
args[3] = 3 * this->subtype;
args[5] = 3;
break;
case BERET :
if (this->subtype == 0) {
args[3] = (int)this->anim%8;
if (this->jump) {
args[3] = (this->vy<=0)?8:9;
}
args[0] = this->x-6+this->dir;
args[1] = this->y-6;
args[2] = 1-this->dir;
break;
} // otherwise draw as Top Hat
case TOPHAT :
if (!this->jump) {
args[2] = 7 + (int)this->anim%8;
args[3] = 18 + this->dir;
} else {
args[2] = 15;
args[3] = (this->vy<=0?16:18) + this->dir;
}
args[0] = this->x-6+this->dir;
args[1] = this->y-6;
break;
case SHIELDGEN :
args[0] = this->x-5;
args[1] = this->y-5;
args[3] = 17;
if ((int)this->anim % 4 == 0) args[2] = 9;
else if ((int)this->anim == 1 || (int)this->anim == 3) args[2] = 11;
else if ((int)this->anim == 2) args[2] = 12;
else if ((int)this->anim == 5 || (int)this->anim == 7) args[2] = 13;
else args[2] = 14;
break;
case WOODBLOCK :
case SMWOODBLOCK :
case ICEBLOCK :
case SMICEBLOCK :
case STONEBLOCK :
case SMSTONEBLOCK :
args[2] = (this->type-WOODBLOCK)%3;
args[3] = 10+this->subtype+(this->type<SMWOODBLOCK?0:4);
break;
case FAKEBLOCK :
if (this->anim < 1) {
args[2] = this->subtype;
args[3] = 10;
} else {
args[2] = 12+this->subtype+this->dir*3;
args[3] = 2+this->anim;
}
break;
case GHOSTBLOCK :
args[2] = 6;
args[3] = 9+this->anim;
break;
case WEIGHT :
args[0] -= 2;
args[2] = 4;
args[3] = 13;
break;
case BOMB :
args[2] = 2;
args[3] = 2+this->subtype;
break;
case SIGN :
args[2] = 7+this->subtype/2;
args[3] = 10+this->subtype%2;
break;
case VSIGN :
args[2] = 7;
args[3] = 13+this->subtype;
break;
case READSIGN :
args[2] = 7;
args[3] = 12;
break;
case DOOR :
if (this->subtype < 2) {
args[2] = 2;
args[3] = this->subtype;
} else {
args[2] = 8;
args[3] = 12;
args[4] = 2;
args[5] = 2;
}
break;
case FINISHDOOR :
args[2] = 7;
args[3] = 8;
args[4] = 2;
args[5] = 2;
break;
case STICKYBOMB :
if (this->status == 0) {
args[2] = 2;
args[3] = 5;
} else {
temp = this->timer < 300 ? 30 : 5;
if (this->timer % temp < 2) {
args[2] = 4 + (this->status == CRASHD || this->status == CRASHL);
args[3] = 11 + (this->status == CRASHU || this->status == CRASHL);
} else {
args[2] = 2 + (this->status == CRASHD || this->status == CRASHL);
args[3] = 8 + (this->status == CRASHU || this->status == CRASHL);
}
}
break;
case WHITEDIE :
case BLACKDIE :
args[2] = this->subtype%3;
args[3] = 16+2*(this->type-WHITEDIE)+this->subtype/3;
break;
case FLOATBLOCK :
args[2] = 6;
args[3] = 8;
break;
case GRAVITYBLOCK :
args[2] = 3+this->subtype%2;
args[3] = 16+this->subtype/2;
break;
case ANNOYINGBLOCK :
args[2] = 7;
args[3] = 6+this->subtype;
break;
case TELEBLOCK :
args[2] = 5;
args[3] = 10-this->status/2;
break;
case LINKBLOCK :
args[2] = 3+this->subtype%2;
args[3] = 18+this->subtype/2;
break;
case ANTISEEKER :
args[2] = 10+this->dir;
args[3] = 16;
break;
case MATTERFRAG :
args[0] = this->x-1;
args[1] = this->y-1;
if ((this->subtype % 3) < 2) {
args[2] = 10+(this->subtype%3);
args[3] = 15;
} else {
args[2] = 10;
args[3] = 17;
}
break;
case MATTERLY :
args[2] = 10+this->dir;
args[3] = 14;
break;
case TELESEEKER :
args[2] = 9+this->dir;
if (this->subtype == 2) args[3] = 9;
else if (this->subtype == 3) args[3] = 10;
else args[3] = (this->subtype == 1 ? 6 : 3)+this->anim;
break;
case ROBOT :
args[2] = 9+this->dir+3*this->subtype;
args[3] = this->anim;
break;
case HOPPER :
args[2] = 14+this->dir+2*this->subtype;
args[3] = this->status/4.2;
break;
case CARRIER :
args[2] = 11;
args[3] = 3+this->anim;
break;
case SPIKEBALL :
args[2] = 11;
args[3] = this->anim;
break;
case ANTIFECTLING :
args[2] = 7;
args[3] = 17;
break;
case INFECTLING :
args[2] = 5;
args[3] = 13 + this->subtype;
break;
}
}
// find an empty spot in the array of things, and return the
// index of that spot or -1 if no spot is found
int find_empty(Thing things[250]) {
int i;
for (i=0;i<250;i++)
if (things[i].type == NOTYPE) return i;
return -1;
}
// removes this thing, probably with a fancy explosion
void destroy_thing(Thing* this, int method,
Thing things[250], int index) {
int i, temp;
float cx = this->x+this->width/2, cy = this->y+this->height/2;
float vx = cap_val(this->vx/8,3), vy = cap_val(this->vy/8,3);
if (this->link > -1 && this->link < 250) {
if (this->type == AURADROP && things[this->link].type == AURAHELPER) {
if (method == PIT)
destroy_thing(&things[this->link], PIT, things, this->link);
else {
things[this->link].vx = cap_val(this->vx,12);
things[this->link].vy = cap_val(this->vy,12);
things[this->link].startx = cx;
things[this->link].starty = cy;
things[this->link].status = 1;
}
} else if (this->type == LINKBLOCK && (this->subtype == 0 || this->subtype == 2) &&
things[this->link].type == PLATFORM) {
things[this->link].startx = things[this->link].x;
things[this->link].starty = things[this->link].y;
}
}
if (!this->dead) {
// Sound effects for deaths.
if (on_screen(this->x, this->y, this->width, this->height) &&
(method == INFECT ||
!(this->type == BOMB || this->type == STICKYBOMB || this->type == FAKEBOMB || this->type == FIREBALL))) {
if ((this->type == GHOST && method != PIT && method != INFECT) ||
method == TOUCH || method == BOMBED || (method >= CRASHU && method <= CRASHL))
play_sound(SND_POP+rand_to(3));
else if (method == INSIDE) {
if (this->type == BERET) play_sound(SND_SQUELCH+rand_to(3));
else play_sound(SND_CRUNCH+rand_to(3));
} else if (method == COLLECT) play_sound(SND_COLLECT+rand_to(6));
else if (method == INFECT) play_sound(SND_INFECT);
}
if (this->type == TOPHAT) {
make_thing(THINGMAX-1, DOOR, 2, 585, 900, 0, things);
make_thing(THINGMAX-2, DOOR, 2, 975, 900, 0, things);
make_thing(THINGMAX-3, DOOR, 2, 1425, 900, 0, things);
make_thing(THINGMAX-4, DOOR, 2, 1845, 900, 0, things);
things[THINGMAX-1].dir = 7;
things[THINGMAX-2].dir = 7;
things[THINGMAX-3].dir = 7;
things[THINGMAX-4].dir = 7;
make_expl(615,930,0,0,GRAY,10,300);
make_expl(1005,930,0,0,GRAY,10,300);
make_expl(1455,930,0,0,GRAY,10,300);
make_expl(1875,930,0,0,GRAY,10,300);
set_beat_last_level();
} else if (this->type == BLOCKSTER) {
if (bossvars[4] > 25) {
bossvars[4] -= 75;
bossvars[1]++;
}
if (++bossvars[3] == BLOCKSTER_COUNT) {
bossvars[BOSSMAX-1] = 1;
make_thing(THINGMAX-1, FINISHDOOR, 0, 1155,
450, 0, things);
make_expl(1185,480,0,0,WHITE,10,600);
}
} else if (this->type == MATTERLY) {
bossvars[BOSSMAX-1] = 1;
make_thing(THINGMAX-1, FINISHDOOR, 0, 360, 810, 0, things);
make_expl(390, 840, 0, 0, WHITE, 10, 600);
} else if (this->type == STONEY) {
if (this->subtype != 1) {
temp = closest_thing(things, cx, cy, &bossvars[1], STONEY);
bossvars[1]--;
} else if (this->subtype == 1) {
temp = closest_thing(things, cx, cy, &bossvars[1], STONEY);
if (temp > -1) {
things[temp].subtype = 1;
things[temp].anim = 2.5;
things[temp].status = -1;
bossvars[0] = 0;
}
}
if (bossvars[1] == 0) {
make_thing(THINGMAX-1, FINISHDOOR, 0, 750,
660, 0, things);
make_expl(780,690,0,0,WHITE,10,600);
bossvars[BOSSMAX-1] = 1;
} else if (bossvars[1] <= 15) {
for (temp=0; temp<THINGMAX; temp++) {
if (things[temp].type == STONEY &&
things[temp].subtype < 2 && temp != index) {
things[temp].subtype = 2;
make_expl(things[temp].x+things[temp].width/2,
things[temp].y+things[temp].height/2,
0,0,RED,5,100);
}
}
}
}