This commit is contained in:
Charles 2001-01-18 19:18:39 +00:00
parent fe63f8da7b
commit 6b7e229ee1
5 changed files with 477 additions and 56 deletions

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@ -53,6 +53,7 @@ backend_src := gameover \
enemy_src := 2denemy \
npc \
npcpath \
enemy
fileio_src := fileio \

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@ -33,14 +33,24 @@
#include "player\player.h"
#endif
#ifndef __ENEMY_NPCPATH_H__
#include "enemy\npcpath.h"
#endif
#ifndef __UTILS_HEADER__
#include "utils\utils.h"
#endif
CNpc::NPC_DATA CNpc::m_data[NPC_UNIT_TYPE_MAX] =
{
{
NPC_INIT_DEFAULT,
NPC_SENSOR_NONE,
NPC_MOVEMENT_STATIC,
NPC_MOVEMENT_MODIFIER_NONE,
NPC_SENSOR_USER_CLOSE,
NPC_MOVEMENT_FIXED_PATH,
NPC_MOVEMENT_MODIFIER_JELLYFISH,
NPC_CLOSE_EVADE,
NPC_TIMER_NONE,
false,
},
@ -49,6 +59,8 @@ CNpc::NPC_DATA CNpc::m_data[NPC_UNIT_TYPE_MAX] =
NPC_SENSOR_NONE,
NPC_MOVEMENT_STATIC,
NPC_MOVEMENT_MODIFIER_NONE,
NPC_CLOSE_EVADE,
NPC_TIMER_NONE,
true,
},
};
@ -56,13 +68,50 @@ CNpc::NPC_DATA CNpc::m_data[NPC_UNIT_TYPE_MAX] =
void CNpc::init()
{
m_type = NPC_SANDY_CHEEKS;
m_type = NPC_TEST_TYPE;
m_heading = 0;
m_movementTimer = 0;
m_timerTimer = 0;
m_velocity = 0;
Pos.vx = 100;
Pos.vy = 100;
m_timerFunc = m_data[this->m_type].timerFunc;
m_sensorFunc = m_data[this->m_type].sensorFunc;
switch ( m_data[this->m_type].initFunc )
{
case NPC_INIT_DEFAULT:
m_controlFunc = NPC_CONTROL_MOVEMENT;
m_npcPath.initPath();
DVECTOR newPos;
newPos.vx = 100;
newPos.vy = 10;
m_npcPath.addWaypoint( newPos );
newPos.vx = 500;
newPos.vy = 10;
m_npcPath.addWaypoint( newPos );
newPos.vx = 500;
newPos.vy = 100;
m_npcPath.addWaypoint( newPos );
newPos.vx = 100;
newPos.vy = 100;
m_npcPath.addWaypoint( newPos );
m_npcPath.setPathType( REPEATING_PATH );
break;
default:
@ -80,14 +129,16 @@ void CNpc::shutdown()
void CNpc::think(int _frames)
{
m_controlFunc = NPC_CONTROL_MOVEMENT;
switch ( this->m_controlFunc )
{
case NPC_CONTROL_MOVEMENT:
if ( !processSensor() )
{
processMovement();
processMovement(_frames);
}
else
{
processClose(_frames);
}
break;
@ -98,7 +149,7 @@ void CNpc::think(int _frames)
break;
case NPC_CONTROL_CLOSE:
processClose();
processClose(_frames);
break;
@ -108,88 +159,423 @@ void CNpc::think(int _frames)
break;
}
processTimer();
processTimer(_frames);
}
bool CNpc::processSensor()
{
switch( m_data[this->m_type].sensorFunc )
switch( m_sensorFunc )
{
case NPC_SENSOR_NONE:
return( false );
case NPC_SENSOR_USER_CLOSE:
/*if ( user is close )
{
CPlayer *player = GameScene.getPlayer();
DVECTOR playerPos = player->getPos();
s32 xDistSqr, yDistSqr;
xDistSqr = playerPos.vx - this->Pos.vx;
xDistSqr *= xDistSqr;
yDistSqr = playerPos.vy - this->Pos.vy;
yDistSqr *= yDistSqr;
if ( xDistSqr + yDistSqr < 10000 )
{
this->controlFunc = NPC_CONTROL_CLOSE;
processClose();
this->m_controlFunc = NPC_CONTROL_CLOSE;
this->m_evadeClockwise = ( getRnd() % 2 ) - 1;
return( true );
}
else*/
else
{
return( false );
}
}
}
return( false );
default:
return( false );
}
}
void CNpc::processMovement()
void CNpc::processMovement(int _frames)
{
if ( _frames > 2 )
{
_frames = 2;
}
s32 moveX = 0, moveY = 0;
s16 moveDist = 0;
s32 moveVel = 0;
switch( m_data[this->m_type].movementFunc )
{
case NPC_MOVEMENT_STATIC:
switch( m_data[this->m_type].movementModifierFunc )
{
break;
}
case NPC_MOVEMENT_FIXED_PATH:
{
bool pathComplete;
s16 headingToTarget = m_npcPath.think( Pos, &pathComplete );
if ( !pathComplete )
{
case NPC_MOVEMENT_MODIFIER_NONE:
break;
s16 decDir, incDir;
case NPC_MOVEMENT_MODIFIER_BOB:
//staticBob();
decDir = m_heading - headingToTarget;
break;
if ( decDir < 0 )
{
decDir += ONE;
}
incDir = headingToTarget - m_heading;
if ( incDir < 0 )
{
incDir += ONE;
}
if ( decDir < incDir )
{
moveDist = -decDir;
}
else
{
moveDist = incDir;
}
if ( moveDist < -128 )
{
moveDist = -128;
}
else if ( moveDist > 128 )
{
moveDist = 128;
}
m_heading += moveDist;
m_heading = m_heading % ONE;
moveX = ( _frames * 3 * rcos( m_heading ) ) >> 12;
moveY = ( _frames * 3 * rsin( m_heading ) ) >> 12;
moveVel = ( _frames * 3 ) << 8;
}
break;
case NPC_MOVEMENT_FIXED_PATH:
break;
}
case NPC_MOVEMENT_USER_SEEK:
{
CPlayer *player;
player = GameScene.getPlayer();
break;
}
case NPC_MOVEMENT_VERTICAL:
{
Pos.vy--;
break;
}
default:
break;
}
processMovementModifier(_frames, moveX, moveY, moveVel, moveDist);
}
void CNpc::processMovementModifier(int _frames, s32 distX, s32 distY, s32 dist, s32 headingChange)
{
switch( m_data[m_type].movementModifierFunc )
{
case NPC_MOVEMENT_MODIFIER_NONE:
{
Pos.vx += distX;
Pos.vy += distY;
break;
}
case NPC_MOVEMENT_MODIFIER_BOB:
{
break;
}
case NPC_MOVEMENT_MODIFIER_JELLYFISH:
{
#define NPC_JELLYFISH_RESISTANCE 64
s32 newX, newY;
s32 preShiftX, preShiftY;
u16 jellyfishData[5] = { 96, 192, 256, 192, 128, };
u32 dataPoint;
m_movementTimer += _frames;
if ( m_movementTimer > GameState::getOneSecondInFrames() )
{
m_movementTimer = 0;
}
dataPoint = 4 * m_movementTimer;
if ( dataPoint != 0 )
{
dataPoint /= GameState::getOneSecondInFrames();
}
s32 resistance;
s32 absVelocity = abs( m_velocity );
s32 reqVelocity = dist;
resistance = _frames * NPC_JELLYFISH_RESISTANCE;
if ( absVelocity < resistance )
{
resistance = absVelocity;
}
if ( absVelocity != 0 )
{
resistance = -( resistance * m_velocity ) / absVelocity;
}
else
{
resistance = 0;
}
m_velocity += resistance;
reqVelocity = dist * jellyfishData[dataPoint];
reqVelocity >>= 8;
reqVelocity *= 128 + ( 128 - headingChange );
reqVelocity >>= 8;
s32 absReqVelocity = abs( reqVelocity );
if ( absReqVelocity > absVelocity )
{
m_velocity += reqVelocity >> 1;
}
preShiftX = ( m_velocity >> 8 ) * rcos( m_heading );
preShiftY = ( m_velocity >> 8 ) * rsin( m_heading );
newX = preShiftX >> 12;
if ( !newX && preShiftX )
{
newX = preShiftX / abs( preShiftX );
}
newY = preShiftY >> 12;
if ( !newY && preShiftY )
{
newY = preShiftY / abs( preShiftY );
}
Pos.vx += newX;
Pos.vy += newY;
break;
}
}
}
void CNpc::processShot()
{
}
void CNpc::processClose()
void CNpc::processClose(int _frames)
{
switch( m_data[this->m_type].closeFunc )
{
case NPC_CLOSE_EVADE:
{
s32 moveX = 0, moveY = 0;
s16 moveDist = 0;
s32 moveVel = 0;
CPlayer *player = GameScene.getPlayer();
DVECTOR playerPos = player->getPos();
s32 xDist, yDist;
s32 xDistSqr, yDistSqr;
xDist = playerPos.vx - this->Pos.vx;
xDistSqr = xDist * xDist;
yDist = playerPos.vy - this->Pos.vy;
yDistSqr = yDist * yDist;
if ( xDistSqr + yDistSqr > 22500 )
{
this->m_controlFunc = NPC_CONTROL_MOVEMENT;
}
else
{
bool pathComplete;
s16 headingToTarget = m_npcPath.think( Pos, &pathComplete );
if ( pathComplete )
{
this->m_controlFunc = NPC_CONTROL_MOVEMENT;
}
else
{
s16 headingToPlayer = ratan2( yDist, xDist );
if ( m_evadeClockwise )
{
headingToPlayer += 1024;
}
else
{
headingToPlayer -= 1024;
}
headingToPlayer %= ONE;
s16 decDir, incDir;
decDir = headingToPlayer - headingToTarget;
if ( decDir < 0 )
{
decDir += ONE;
}
incDir = headingToTarget - headingToPlayer;
if ( incDir < 0 )
{
incDir += ONE;
}
if ( decDir < incDir )
{
moveDist = decDir;
}
else
{
moveDist = incDir;
}
if ( moveDist < 128 )
{
// evasion angle is close to angle required to go to waypoint, hence resume waypoint movement
this->m_controlFunc = NPC_CONTROL_MOVEMENT;
this->m_timerFunc = NPC_TIMER_EVADE_DONE;
this->m_timerTimer = GameState::getOneSecondInFrames();
this->m_sensorFunc = NPC_SENSOR_NONE;
}
else
{
decDir = m_heading - headingToPlayer;
if ( decDir < 0 )
{
decDir += ONE;
}
incDir = headingToPlayer - m_heading;
if ( incDir < 0 )
{
incDir += ONE;
}
if ( decDir < incDir )
{
moveDist = -decDir;
}
else
{
moveDist = incDir;
}
if ( moveDist < -128 )
{
moveDist = -128;
}
else if ( moveDist > 128 )
{
moveDist = 128;
}
m_heading += moveDist;
m_heading = m_heading % ONE;
moveX = ( _frames * 3 * rcos( m_heading ) ) >> 12;
moveY = ( _frames * 3 * rsin( m_heading ) ) >> 12;
moveVel = ( _frames * 3 ) << 8;
processMovementModifier(_frames, moveX, moveY, moveVel, moveDist);
}
}
}
}
break;
default:
break;
}
}
void CNpc::processCollision()
{
}
void CNpc::processTimer()
void CNpc::processTimer(int _frames)
{
switch( m_timerFunc )
{
case NPC_TIMER_NONE:
{
break;
}
case NPC_TIMER_EVADE_DONE:
{
this->m_timerTimer -= _frames;
if ( m_timerTimer <= 0 )
{
this->m_timerFunc = NPC_TIMER_NONE;
this->m_sensorFunc = NPC_SENSOR_USER_CLOSE;
}
break;
}
default:
break;
}
}
void CNpc::render()

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@ -11,13 +11,16 @@
===========================================================================*/
#ifndef __NPC_H__
#define __NPC_H__
#ifndef __ENEMY_NPC_H__
#define __ENEMY_NPC_H__
//#include <dstructs.h>
#include "Game/Thing.h"
#include "Gfx/Skel.h"
#ifndef __ENEMY_NPCPATH_H__
#include "enemy\npcpath.h"
#endif
/*****************************************************************************/
@ -62,6 +65,11 @@ protected:
NPC_SENSOR_USER_CLOSE = 1,
};
enum NPC_CLOSE_FUNC
{
NPC_CLOSE_EVADE = 0,
};
enum NPC_MOVEMENT_FUNC
{
NPC_MOVEMENT_STATIC = 0,
@ -74,6 +82,13 @@ protected:
{
NPC_MOVEMENT_MODIFIER_NONE = 0,
NPC_MOVEMENT_MODIFIER_BOB = 1,
NPC_MOVEMENT_MODIFIER_JELLYFISH,
};
enum NPC_TIMER_FUNC
{
NPC_TIMER_NONE = 0,
NPC_TIMER_EVADE_DONE = 1,
};
@ -83,21 +98,34 @@ protected:
NPC_SENSOR_FUNC sensorFunc;
NPC_MOVEMENT_FUNC movementFunc;
NPC_MOVEMENT_MODIFIER_FUNC movementModifierFunc;
NPC_CLOSE_FUNC closeFunc;
NPC_TIMER_FUNC timerFunc;
bool canTalk;
}
NPC_DATA;
NPC_UNIT_TYPE m_type;
NPC_CONTROL_FUNC m_controlFunc;
bool processSensor();
void processMovement();
void processMovement(int _frames);
void processMovementModifier(int _frames, s32 distX, s32 distY, s32 dist, s32 headingChange);
void processShot();
void processClose();
void processClose(int _frames);
void processCollision();
void processTimer();
void processTimer(int _frames);
static NPC_DATA m_data[NPC_UNIT_TYPE_MAX];
// internal variables
NPC_UNIT_TYPE m_type;
NPC_CONTROL_FUNC m_controlFunc;
NPC_TIMER_FUNC m_timerFunc;
NPC_SENSOR_FUNC m_sensorFunc;
CNpcPath m_npcPath;
s32 m_heading;
s32 m_movementTimer;
s32 m_velocity;
bool m_evadeClockwise;
s32 m_timerTimer;
};

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@ -11,19 +11,19 @@
===========================================================================*/
#ifndef __ENEMY_NCPPATH_H__
#include "enemy\ncppath.h"
#ifndef __ENEMY_NPCPATH_H__
#include "enemy\npcpath.h"
#endif
bool CNpcWaypoint::isPointNear( DVECTOR testPos )
bool CNpcWaypoint::isPointNear( DVECTOR testPos, s32 *xDist, s32 *yDist )
{
s32 xDistSqr, yDistSqr;
xDistSqr = testPos.vx - this->pos.vx;
xDistSqr *= xDistSqr;
*xDist = testPos.vx - this->pos.vx;
xDistSqr = (*xDist) * (*xDist);
yDistSqr = testPos.vy - this->pos.vy;
yDistSqr *= yDistSqr;
*yDist = testPos.vy - this->pos.vy;
yDistSqr = (*yDist) * (*yDist);
if ( xDistSqr + yDistSqr < 100 )
{
@ -42,7 +42,7 @@ void CNpcPath::initPath()
for ( loop = 0 ; loop < NPC_MAX_WAYPOINTS ; loop++ )
{
waypoint[loop].pos.vx = 0;
waypoint[loop].pox.vy = 0;
waypoint[loop].pos.vy = 0;
}
pathType = SINGLE_USE_PATH;
@ -55,7 +55,7 @@ void CNpcPath::addWaypoint( DVECTOR newPos )
{
if ( waypointCount < NPC_MAX_WAYPOINTS )
{
waypoint[waypointCount] = newPos;
waypoint[waypointCount].pos = newPos;
waypointCount++;
}
}
@ -69,7 +69,7 @@ bool CNpcPath::incPath()
{
if ( !reversePath )
{
if ( currentWaypoint < waypointCount )
if ( currentWaypoint < waypointCount - 1 )
{
currentWaypoint++;
}
@ -117,14 +117,18 @@ bool CNpcPath::incPath()
return( false );
}
void CNpcPath::think( DVECTOR currentPos )
s32 CNpcPath::think( DVECTOR currentPos, bool *pathComplete )
{
CNpcWaypoint *currentWaypoint;
s32 xDist, yDist;
currentWaypoint = &waypoint[currentWaypoint]
*pathComplete = false;
if ( currentWaypoint->isPointNear( currentPos ) )
if ( waypoint[currentWaypoint].isPointNear( currentPos, &xDist, &yDist ) )
{
incPath();
*pathComplete = incPath();
}
s32 headingToTarget = ratan2( -yDist, -xDist );
return( headingToTarget );
}

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@ -11,15 +11,17 @@
===========================================================================*/
#ifndef __ENEMY_NCPPATH_H__
#define __ENEMY_NCPPATH_H__
#ifndef __ENEMY_NPCPATH_H__
#define __ENEMY_NPCPATH_H__
#include "system\global.h"
class CNpcWaypoint
{
public:
DVECTOR pos;
bool isPointNear( DVECTOR testPos );
bool isPointNear( DVECTOR testPos, s32 *xDist, s32 *yDist );
};
enum NPC_PATH_TYPE
@ -48,7 +50,7 @@ public:
void addWaypoint( DVECTOR newPos );
void setPathType( NPC_PATH_TYPE newPathType );
bool incPath();
void think( DVECTOR currentPos );
s32 think( DVECTOR currentPos, bool *pathComplete );
};
#endif