/**
** Missile flies from x,y to x1,y1 than bounces NumBounces times
*/
void MissilePointToPointBounce::Action()
{
this->Wait = this->Type->Sleep;
if (PointToPointMissile(this)) {
if (this->State < 2 * this->Type->NumBounces - 1 && this->TotalStep) {
int xstep;
int ystep;
xstep = (this->DX - this->SourceX) * 1024 / this->TotalStep;
ystep = (this->DY - this->SourceY) * 1024 / this->TotalStep;
this->DX += xstep * (TileSizeX + TileSizeY) * 3 / 4 / 1024;
this->DY += ystep * (TileSizeX + TileSizeY) * 3 / 4 / 1024;
this->State++; // !(State & 1) to initialise
this->SourceX = this->X;
this->SourceY = this->Y;
PointToPointMissile(this);
//this->State++;
MissileHit(this);
// FIXME: hits to left and right
// FIXME: reduce damage effects on later impacts
} else {
MissileHit(this);
this->TTL = 0;
}
} else {
NextMissileFrame(this, 1, 0);
}
}
/**
** Missile don't move, than disappears
*/
void MissileStay::Action()
{
this->Wait = this->Type->Sleep;
if (NextMissileFrame(this, 1, 0)) {
MissileHit(this);
this->TTL = 0;
}
}
/**
** Missile flies from x,y to x1,y1 using a parabolic path
*/
void MissileParabolic::Action()
{
this->Wait = this->Type->Sleep;
if (ParabolicMissile(this)) {
MissileHit(this);
this->TTL = 0;
} else {
NextMissileFrameCycle(this);
}
}
/**
** Missile flies from x,y to x1,y1 and stays there for a moment
*/
void MissilePointToPointCycleOnce::Action()
{
this->Wait = this->Type->Sleep;
if (PointToPointMissile(this)) {
MissileHit(this);
this->TTL = 0;
} else {
NextMissileFrameCycle(this);
}
}
/**
** Missile flies from x,y to x1,y1 showing the first frame
** and then shows a hit animation.
*/
void MissilePointToPointWithHit::Action()
{
this->Wait = this->Type->Sleep;
if (PointToPointMissile(this)) {
if (NextMissileFrame(this, 1, 0)) {
MissileHit(this);
this->TTL = 0;
}
}
}
/**
** Missile doesn't move, it will just cycle once and vanish.
** Used for ui missiles (cross shown when you give and order)
*/
void MissileCycleOnce::Action()
{
this->Wait = this->Type->Sleep;
switch (this->State) {
case 0:
case 2:
++this->State;
break;
case 1:
if (NextMissileFrame(this, 1, 0)) {
++this->State;
}
break;
case 3:
if (NextMissileFrame(this, -1, 0)) {
MissileHit(this);
this->TTL = 0;
}
break;
}
}
//FIXME: (Fabrice) I don't know if my update for missile visibility is fully
//correct.
global void MissileActions(void)
{
int missile;
for( missile=0; missile<NumMissiles; ++missile ) {
if( Missiles[missile].Type==MissileFree ) {
continue;
}
if( Missiles[missile].Wait-- ) {
continue;
}
if (MissileVisible(missile)) {
// check before movement
MustRedraw|=RedrawMap;
}
switch( Missiles[missile].Type->Class ) {
case MissileClassPointToPoint:
Missiles[missile].Wait=1;
if( PointToPointMissile(missile) ) {
MissileHit(missile);
Missiles[missile].Type=MissileFree;
} else {
//
// Animate missile, cycle through frames
//
Missiles[missile].Frame+=5;
if( (Missiles[missile].Frame&127)
>=Missiles[missile].Type->RleSprite->NumFrames ) {
Missiles[missile].Frame=
// (Missiles[missile].Frame&128)|
(Missiles[missile].Frame
-Missiles[missile].Type->RleSprite
->NumFrames);
}
DebugLevel3("Frame %d of %d\n"
,Missiles[missile].Frame
,Missiles[missile].Type->RleSprite->NumFrames);
}
break;
case MissileClassPointToPointWithDelay:
Missiles[missile].Wait=1;
if( PointToPointMissile(missile) ) {
switch( Missiles[missile].State++ ) {
case 1:
// FIXME: bounces up.
PlayMissileSound(Missiles+missile,
Missiles[missile].Type->ImpactSound.Sound);
// FIXME: make this configurable!!
switch( Missiles[missile].Type->Type ) {
case MissileSmallCannon:
MakeMissile(MissileCannonExplosion
,Missiles[missile].X
,Missiles[missile].Y
,0,0);
break;
case MissileBigCannon:
MakeMissile(MissileCannonTowerExplosion
,Missiles[missile].X
,Missiles[missile].Y
,0,0);
break;
case MissileCatapultRock:
case MissileBallistaBolt:
MakeMissile(MissileImpact
,Missiles[missile].X
,Missiles[missile].Y
,0,0);
break;
}
break;
default:
MissileHit(missile);
Missiles[missile].Type=MissileFree;
break;
}
} else {
//
// Animate missile, depends on the way.
//
// FIXME: how?
}
break;
case MissileClassPointToPoint3Bounces:
Missiles[missile].Wait=1;
if( PointToPointMissile(missile) ) {
//
// 3 Bounces.
//
switch( Missiles[missile].State ) {
case 1:
case 3:
case 5:
Missiles[missile].State+=2;
Missiles[missile].DX+=
Missiles[missile].Xstep*TileSizeX*2;
Missiles[missile].DY+=
Missiles[missile].Ystep*TileSizeY*2;
PlayMissileSound(Missiles+missile,
Missiles[missile].Type->ImpactSound.Sound);
MakeMissile(MissileExplosion
,Missiles[missile].X
,Missiles[missile].Y
,0,0);
MissileHit(missile);
// FIXME: hits to left and right
// FIXME: reduce damage
break;
default:
Missiles[missile].Type=MissileFree;
break;
}
} else {
//
// Animate missile, cycle through frames
//
Missiles[missile].Frame+=5;
if( (Missiles[missile].Frame&127)
>=Missiles[missile].Type->RleSprite->NumFrames ) {
Missiles[missile].Frame=
// (Missiles[missile].Frame&128)|
(Missiles[missile].Frame
-Missiles[missile].Type->RleSprite
->NumFrames);
}
DebugLevel3("Frame %d of %d\n"
,Missiles[missile].Frame
,Missiles[missile].Type->RleSprite->NumFrames);
}
break;
case MissileClassPointToPointWithHit:
Missiles[missile].Wait=1;
if( PointToPointMissile(missile) ) {
//
// Animate hit
//
Missiles[missile].Frame+=5;
if( (Missiles[missile].Frame&127)
>=Missiles[missile].Type->RleSprite->NumFrames ) {
MissileHit(missile);
Missiles[missile].Type=MissileFree;
}
}
break;
case MissileClassStayWithDelay:
Missiles[missile].Wait=1;
if( ++Missiles[missile].Frame
==Missiles[missile].Type->RleSprite
->NumFrames ) {
MissileHit(missile);
Missiles[missile].Type=MissileFree;
}
break;
case MissileClassCycleOnce:
Missiles[missile].Wait=Missiles[missile].Type->Speed;
switch( Missiles[missile].State ) {
case 0:
case 2:
++Missiles[missile].State;
break;
case 1:
if( ++Missiles[missile].Frame
==Missiles[missile].Type->RleSprite
->NumFrames ) {
--Missiles[missile].Frame;
++Missiles[missile].State;
}
break;
case 3:
if( !Missiles[missile].Frame-- ) {
MissileHit(missile);
Missiles[missile].Type=MissileFree;
}
break;
}
break;
}
if (Missiles[missile].Type!=MissileFree && MissileVisible(missile)) {
// check after movement
MustRedraw|=RedrawMap;
}
}
}
