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Abstracted character controller interface

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Renamed old character controller to DynamicCharacterController
First start at KinematicCharacterController. Still has bugs.
This commit is contained in:
john.mccutchan
2008-07-02 23:19:02 +00:00
parent db146019f1
commit de1f2631f4
7 changed files with 626 additions and 31 deletions
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143
Demos/CharacterDemo/CharacterDemo.cpp
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@@ -28,7 +28,11 @@ subject to the following restrictions:
#include "GlutStuff.h"
#include "CharacterDemo.h"
#include "CharacterController.h"
#ifdef DYNAMIC_CHARACTER_CONTROLLER
#include "DynamicCharacterController.h"
#else
#include "KinematicCharacterController.h"
#endif
const int maxProxies = 32766;
const int maxOverlap = 65535;
@@ -39,6 +43,55 @@ static int gLeft = 0;
static int gRight = 0;
static int gJump = 0;
#define QUAKE_BSP_IMPORTING 1
#ifdef QUAKE_BSP_IMPORTING
#include "Demos/BspDemo/BspLoader.h"
#include "Demos/BspDemo/BspConverter.h"
#endif //QUAKE_BSP_IMPORTING
class BspToBulletConverter : public BspConverter
{
CharacterDemo* m_demoApp;
public:
BspToBulletConverter(CharacterDemo* demoApp)
:m_demoApp(demoApp)
{
}
virtual void addConvexVerticesCollider(btAlignedObjectArray<btVector3>& vertices, bool isEntity, const btVector3& entityTargetLocation)
{
///perhaps we can do something special with entities (isEntity)
///like adding a collision Triggering (as example)
if (vertices.size() > 0)
{
float mass = 0.f;
btTransform startTransform;
//can use a shift
startTransform.setIdentity();
startTransform.setOrigin(btVector3(0,-10.0f,0.0f));
//this create an internal copy of the vertices
for (int i = 0; i < vertices.size(); i++)
{
vertices[i] *= btScalar(0.5);
float t = vertices[i].getZ() * btScalar(0.75);
vertices[i].setZ(-vertices[i].getY());
vertices[i].setY(t);
}
btCollisionShape* shape = new btConvexHullShape(&(vertices[0].getX()),vertices.size());
m_demoApp->m_collisionShapes.push_back(shape);
//btRigidBody* body = m_demoApp->localCreateRigidBody(mass, startTransform,shape);
m_demoApp->localCreateRigidBody(mass, startTransform,shape);
}
}
};
CharacterDemo::CharacterDemo()
:
m_cameraHeight(4.f),
@@ -57,6 +110,7 @@ CharacterDemo::~CharacterDemo()
if (m_character)
m_character->destroy (m_dynamicsWorld);
//remove the rigidbodies from the dynamics world and delete them
int i;
for (i=m_dynamicsWorld->getNumCollisionObjects()-1; i>=0 ;i--)
@@ -153,11 +207,15 @@ public:
return m_hashPairCache->getOverlappingPairArray();
}
btOverlappingPairCache* getOverlappingPairCache()
{
return m_hashPairCache;
}
};
void CharacterDemo::initPhysics()
{
btCollisionShape* groundShape = new btBoxShape(btVector3(50,3,50));
m_collisionShapes.push_back(groundShape);
m_collisionConfiguration = new btDefaultCollisionConfiguration();
@@ -173,7 +231,53 @@ void CharacterDemo::initPhysics()
btTransform tr;
tr.setIdentity();
//either use heightfield or triangle mesh
#define USE_BSP_STAGE
#ifdef USE_BSP_STAGE
#ifdef QUAKE_BSP_IMPORTING
char* bspfilename = "BspDemo.bsp";
void* memoryBuffer = 0;
FILE* file = fopen(bspfilename,"r");
if (!file)
{
//try again other path,
//sight... visual studio leaves the current working directory in the projectfiles folder
//instead of executable folder. who wants this default behaviour?!?
bspfilename = "../../BspDemo.bsp";
file = fopen(bspfilename,"r");
}
if (!file)
{
//try again other path,
//sight... visual studio leaves the current working directory in the projectfiles folder
//instead of executable folder. who wants this default behaviour?!?
bspfilename = "BspDemo.bsp";
file = fopen(bspfilename,"r");
}
if (file)
{
BspLoader bspLoader;
int size=0;
if (fseek(file, 0, SEEK_END) || (size = ftell(file)) == EOF || fseek(file, 0, SEEK_SET)) { /* File operations denied? ok, just close and return failure */
printf("Error: cannot get filesize from %s\n", bspfilename);
} else
{
//how to detect file size?
memoryBuffer = malloc(size+1);
fread(memoryBuffer,1,size,file);
bspLoader.loadBSPFile( memoryBuffer);
BspToBulletConverter bsp2bullet(this);
float bspScaling = 0.1f;
bsp2bullet.convertBsp(bspLoader,bspScaling);
}
fclose(file);
}
#endif
#else
#define USE_TRIMESH_GROUND 1
#ifdef USE_TRIMESH_GROUND
int i;
@@ -297,15 +401,6 @@ const float TRIANGLE_SIZE=20.f;
//create ground object
localCreateRigidBody(0,tr,groundShape);
m_character = new CharacterController ();
m_character->setup (m_dynamicsWorld);
//we need to remove the rigid body from the broadphase in order to register all collisions
m_dynamicsWorld->removeRigidBody(m_character->getRigidBody());
//some custom callback sample
m_customPairCallback = new MyCustomOverlappingPairCallback(this,m_character->getRigidBody());
sweepBP->setOverlappingPairUserCallback(m_customPairCallback);
m_dynamicsWorld->addRigidBody(m_character->getRigidBody());
#define CUBE_HALF_EXTENTS 0.5
@@ -364,7 +459,23 @@ const float TRIANGLE_SIZE=20.f;
}
#endif
#endif
#ifdef DYNAMIC_CHARACTER_CONTROLLER
m_character = new DynamicCharacterController ();
#else
m_character = new KinematicCharacterController ();
#endif
m_character->setup (m_dynamicsWorld);
//we need to remove the rigid body from the broadphase in order to register all collisions
m_dynamicsWorld->removeRigidBody(m_character->getRigidBody());
//some custom callback sample
m_customPairCallback = new MyCustomOverlappingPairCallback(this,m_character->getRigidBody());
sweepBP->setOverlappingPairUserCallback(m_customPairCallback);
m_dynamicsWorld->addRigidBody(m_character->getRigidBody());
m_character->registerPairCache (m_customPairCallback->getOverlappingPairCache());
clientResetScene();
setCameraDistance(26.f);
@@ -391,7 +502,7 @@ void CharacterDemo::clientMoveAndDisplay()
if (m_character)
{
m_character->preStep (m_dynamicsWorld);
m_character->playerStep (dt, gForward, gBackward, gLeft, gRight);
m_character->playerStep (m_dynamicsWorld, dt, gForward, gBackward, gLeft, gRight);
if (gJump)
{
gJump = 0;
@@ -616,8 +727,8 @@ void CharacterDemo::updateCamera()
//update OpenGL camera settings
glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 10000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(m_cameraPosition[0],m_cameraPosition[1],m_cameraPosition[2],
m_cameraTargetPosition[0],m_cameraTargetPosition[1], m_cameraTargetPosition[2],