www.pudn.com > ATimeToKill.rar > entity.cpp

#include "entity.h" 
 
CEntity::CEntity() 
{ 
	interpol = 3.0f; 
	stateStart = 0; 
	stateEnd = 39; 
	animSpeed = 7.0f; 
	direction = 0.0f; 
	entitySound = NULL; 
 
	position = CVector(0,0,0); 
	velocity = CVector(0,0,0); 
	acceleration = CVector(0,0,0); 
	size = 6.25f; 
} 
 
CEntity::~CEntity() 
{ 
	if (entitySound != NULL) 
	{ 
		delete entitySound; 
		entitySound = NULL; 
	} 
} 
 
void CEntity::OnAnimate(float deltaTime) 
{ 
	float cosYaw = (float)cos(DEG2RAD(direction)); 
	float sinYaw = (float)sin(DEG2RAD(direction));  
 
	float speed = velocity.z * deltaTime; 
 
	position.x += float(cosYaw)*speed; 
	position.z += float(sinYaw)*speed; 
 
	deltaT = deltaTime;	// used for interpolation 
} 
 
void CEntity::OnCollision(CObject *collisionObject)  
{ 
	if (typeid(*collisionObject) == typeid(CEntity)) 
	{ 
		modelState = MODEL_IDLE; 
		velocity = CVector(0.0, 0.0, 0.0); 
	} 
 
	if (typeid(*collisionObject) == typeid(CTerrain)) 
	{ 
		position.y = ((CTerrain*)collisionObject)->GetHeight(position.x, position.z) + size; 
	} 
} 
 
void CEntity::OnDraw(CCamera *camera) 
{ 
	glTranslatef(position.x, position.y, position.z); 
	glRotatef(-direction, 0.0, 1.0, 0.0); 
	glRotatef(90.0f, -1.0f, 0.0f, 0.0f); 
	glScalef(0.25, 0.25, 0.25); 
		 
	AnimateModel(stateStart, stateEnd, deltaT*animSpeed); 
} 
 
void CEntity::OnPrepare() 
{ 
	/* 
	   Frame#  Action 
	   ---------------- 
	   0-39    idle 
	   40-46   running 
	   47-60   getting shot but not falling (back bending) 
	   61-66   getting shot in shoulder 
	   67-73   jumping 
	   74-95   idle 
	   96-112  getting shot and falling down 
	   113-122 idle 
	   123-135 idle 
	   136-154 crouch 
	   155-161 crouch crawl 
	   162-169 crouch adjust weapon (idle) 
	   170-177 kneeling dying 
	   178-185 falling back dying 
	   186-190 falling forward dying 
	   191-198 falling back slow dying 
	*/ 
 
	switch (modelState) 
	{ 
	case MODEL_IDLE: 
		stateStart = 0; 
		stateEnd = 39; 
		break; 
	case MODEL_CROUCH: 
		break; 
	case MODEL_RUN: 
		stateStart = 40; 
		stateEnd = 46; 
		velocity = CVector(0.0, 0.0, 15.0); 
		break; 
	case MODEL_JUMP: 
		stateStart = 67; 
		stateEnd = 73; 
		break; 
	case MODEL_DIE: 
		stateStart = 178; 
		stateEnd = 184; 
		break; 
	default: 
		stateStart = 0; 
		stateEnd = 1; 
		break; 
	} 
 
	// perform collision detection from this entity with all other objects in world 
	ProcessCollisions(FindRoot()); 
} 
 
void CEntity::LoadAudio(CAudioSystem *audioSystem, char *filename, bool is3DSound) 
{ 
	if (entitySound != NULL) 
	{ 
		delete [] entitySound; 
		entitySound = new CAudio; 
	} 
 
	if (audioSystem != NULL) 
		entitySound = audioSystem->Create(filename, is3DSound); 
	else 
	{ 
		delete [] entitySound; 
		entitySound = NULL; 
	} 
}