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This commit is contained in:
Charles 2001-08-16 16:53:49 +00:00
parent ac0158bda7
commit 9b4327ed2f
2 changed files with 37 additions and 109 deletions
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131
source/enemy/nssnake.cpp
View File

@ -117,23 +117,6 @@ void CNpcSeaSnakeEnemy::postInit()
m_positionHistory = &m_positionHistoryArray[0];
m_spacingHistoryArray[0].spacing = 2;
m_spacingHistoryArray[0].next = &m_spacingHistoryArray[1];
m_spacingHistoryArray[0].prev = &m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH - 1];
for ( histLength = 1 ; histLength < NPC_SEA_SNAKE_LENGTH - 1 ; histLength++ )
{
m_spacingHistoryArray[histLength].spacing = 2;
m_spacingHistoryArray[histLength].next = &m_spacingHistoryArray[histLength + 1];
m_spacingHistoryArray[histLength].prev = &m_spacingHistoryArray[histLength - 1];
}
m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH - 1].spacing = 2;
m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH - 1].next = &m_spacingHistoryArray[0];
m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH - 1].prev = &m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH - 2];
m_spacingHistory = &m_spacingHistoryArray[0];
u16 segScale;
int initLength = NPC_SEA_SNAKE_LENGTH / 3;
int remLength = NPC_SEA_SNAKE_LENGTH - initLength;
@ -368,7 +351,7 @@ u8 CNpcSeaSnakeEnemy::processPathMove( int _frames, s32 *moveX, s32 *moveY, s32
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSeaSnakeEnemy::processMovement( int _frames )
void CNpcSeaSnakeEnemy::processFrameMovement()
{
s32 moveX = 0, moveY = 0;
s32 moveVel = 0;
@ -377,7 +360,7 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
if ( m_snapTimer > 0 )
{
m_snapTimer -= _frames;
m_snapTimer -= 1;
if ( m_snapTimer > 0 )
{
@ -402,7 +385,7 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
if ( m_waitTimer > 0 )
{
m_waitTimer -= _frames;
m_waitTimer -= 1;
}
else
{
@ -420,8 +403,8 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
m_heading = ( m_origHeading + m_circleHeading ) & 4095;
s32 preShiftX = _frames * 3 * rcos( m_heading );
s32 preShiftY = _frames * 3 * rsin( m_heading );
s32 preShiftX = 3 * rcos( m_heading );
s32 preShiftY = 3 * rsin( m_heading );
s32 moveX = preShiftX >> 12;
if ( !moveX && preShiftX )
@ -453,8 +436,8 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
m_heading = ( m_origHeading + m_circleHeading ) & 4095;
s32 preShiftX = _frames * 3 * rcos( m_heading );
s32 preShiftY = _frames * 3 * rsin( m_heading );
s32 preShiftX = 3 * rcos( m_heading );
s32 preShiftY = 3 * rsin( m_heading );
s32 moveX = preShiftX >> 12;
if ( !moveX && preShiftX )
@ -519,12 +502,12 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
}
else
{
processGenericGotoTarget( _frames, distX, distY, m_speed );
processGenericGotoTarget( 1, distX, distY, m_speed );
}
}
else
{
if ( processPathMove( _frames, &moveX, &moveY, &moveVel, &moveDist ) )
if ( processPathMove( 1, &moveX, &moveY, &moveVel, &moveDist ) )
{
// path has changed
@ -614,7 +597,17 @@ void CNpcSeaSnakeEnemy::processMovement( int _frames )
}
}
updateTail( oldPos, _frames );
updateTail( oldPos, 1 );
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSeaSnakeEnemy::processMovement( int _frames )
{
for ( int frameCount = 0 ; frameCount < _frames ; frameCount++ )
{
processFrameMovement();
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@ -633,41 +626,11 @@ void CNpcSeaSnakeEnemy::updateTail( DVECTOR &oldPos, int _frames )
CNpcPositionHistory *newPos;
newPos = m_positionHistory;
m_spacingHistory = m_spacingHistory->prev;
CNpcSpacingHistory *spaceHist;
spaceHist = m_spacingHistory;
m_spacingHistory->spacing = _frames;
int averageFrames = 0;
for ( int frameCheck = 0 ; frameCheck < NPC_SEA_SNAKE_LENGTH ; frameCheck++ )
{
averageFrames += m_spacingHistoryArray[frameCheck].spacing << 8;
}
averageFrames /= NPC_SEA_SNAKE_LENGTH;
int skipDist;
if ( averageFrames < ( 2 << 8 ) )
{
skipDist = NPC_SEA_SNAKE_SPACING + 4;
}
else
{
skipDist = NPC_SEA_SNAKE_SPACING;
}
//for ( skipCounter = 1 ; skipCounter < NPC_SEA_SNAKE_SPACING ; skipCounter++ )
for ( skipCounter = 1 ; skipCounter < skipDist ; skipCounter++ )
for ( skipCounter = 1 ; skipCounter < NPC_SEA_SNAKE_SPACING ; skipCounter++ )
{
newPos = newPos->next;
}
spaceHist = spaceHist->next;
oldPos = Pos;
s32 extension = m_extension;
@ -728,14 +691,11 @@ void CNpcSeaSnakeEnemy::updateTail( DVECTOR &oldPos, int _frames )
}
oldPos = sinPos;
//for ( skipCounter = 0 ; skipCounter < NPC_SEA_SNAKE_SPACING ; skipCounter++ )
for ( skipCounter = 0 ; skipCounter < skipDist ; skipCounter++ )
for ( skipCounter = 0 ; skipCounter < NPC_SEA_SNAKE_SPACING ; skipCounter++ )
{
newPos = newPos->next;
}
spaceHist = spaceHist->next;
extension += 1024;
extension &= 4095;
@ -881,7 +841,7 @@ void CNpcSeaSnakeEnemy::updateTail( DVECTOR &oldPos, int _frames )
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void CNpcSeaSnakeEnemy::processClose( int _frames )
void CNpcSeaSnakeEnemy::processFrameClose()
{
DVECTOR oldPos = Pos;
@ -891,7 +851,7 @@ void CNpcSeaSnakeEnemy::processClose( int _frames )
{
if ( playerYDistSqr > 100 )
{
processGenericGotoTarget( _frames, 0, playerYDist, m_speed );
processGenericGotoTarget( 1, 0, playerYDist, m_speed );
}
else
{
@ -905,7 +865,7 @@ void CNpcSeaSnakeEnemy::processClose( int _frames )
{
if ( playerXDistSqr > 4000 )
{
processGenericGotoTarget( _frames, playerXDist, 0, m_speed );
processGenericGotoTarget( 1, playerXDist, 0, m_speed );
}
else
{
@ -1000,40 +960,17 @@ void CNpcSeaSnakeEnemy::processClose( int _frames )
}
}
updateTail( oldPos, _frames );
updateTail( oldPos, 1 );
}
/*
// fire at player
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//s16 heading = ratan2( playerYDist, playerXDist ) & 4095;
s16 heading = m_heading;
CProjectile *projectile;
projectile = CProjectile::Create();
DVECTOR newPos = Pos;
newPos.vx += 50 * ( rcos( m_heading ) >> 12 );
newPos.vy += 50 * ( rsin( m_heading ) >> 12 );
int perpHeading = ( heading - 1024 ) & 4095;
newPos.vx += 20 * ( rcos( perpHeading ) >> 12 );
newPos.vy += 20 * ( rsin( perpHeading ) >> 12 );
projectile->init( newPos, heading );
projectile->setGraphic( FRM__SNAKEBILE );
//resetSeaSnakeHeadToTail();
m_movementTimer = GameState::getOneSecondInFrames();
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_timerFunc = NPC_TIMER_ATTACK_DONE;
m_timerTimer = GameState::getOneSecondInFrames();
m_sensorFunc = NPC_SENSOR_NONE;
m_snapTimer = m_movementTimer;
//m_openTimer = GameState::getOneSecondInFrames() >> 2;
*/
void CNpcSeaSnakeEnemy::processClose( int _frames )
{
for ( int frameCount = 0 ; frameCount < _frames ; frameCount++ )
{
processFrameClose();
}
}

15
source/enemy/nssnake.h
View File

@ -65,7 +65,9 @@ protected:
s32 getFrameShift( int _frames );
bool processSensor();
void processClose( int _frames );
void processFrameClose();
void processMovement( int _frames );
void processFrameMovement();
void processShot( int _frames );
void processEnemyCollision( CThing *thisThing );
void processUserCollision( CThing *thisThing );
@ -78,7 +80,7 @@ protected:
enum
{
NPC_SEA_SNAKE_SPACING = 4,
NPC_SEA_SNAKE_SPACING = 8,
NPC_SEA_SNAKE_LENGTH = 9,
NPC_SEA_SNAKE_CIRCLE_CLOCKWISE = 1,
NPC_SEA_SNAKE_CIRCLE_ANTICLOCKWISE = 2,
@ -100,23 +102,12 @@ protected:
CNpcPositionHistory *prev;
};
class CNpcSpacingHistory
{
public:
u8 spacing;
CNpcSpacingHistory *next;
CNpcSpacingHistory *prev;
};
u8 m_segmentCount;
CNpcSeaSnakeSegment m_segmentArray[NPC_SEA_SNAKE_LENGTH];
CNpcPositionHistory *m_positionHistory;
CNpcPositionHistory m_positionHistoryArray[NPC_SEA_SNAKE_SPACING * NPC_SEA_SNAKE_LENGTH * 2];
CNpcSpacingHistory *m_spacingHistory;
CNpcSpacingHistory m_spacingHistoryArray[NPC_SEA_SNAKE_LENGTH];
s32 m_collTimer;
s32 m_snapTimer;
//s32 m_openTimer;