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improved network and physics integration

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This commit is contained in:
gmueller
2011-01-23 16:23:44 +01:00
parent f9c374bc78
commit 1006f94ba0
5 changed files with 198 additions and 126 deletions
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19
src/client/Client.cpp
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@@ -388,8 +388,7 @@ void Client::initialize(Arguments &arg) {
// Initialise GLFW
if (!glfwInit()) {
fprintf(stderr, "Failed to initialize GLFW\n");
exit(EXIT_FAILURE);
throw("Failed to initialize GLFW");
}
setup_opengl();
@@ -401,6 +400,8 @@ void Client::initialize(Arguments &arg) {
if (isMaster()) {
Team *team = game.getTeam(0);
game.local_player = game.spawn_player(team);
std::cout << "[Game] local player " << game.local_player->id
<< std::endl;
}
size_t i;
@@ -478,17 +479,17 @@ void Client::update() {
glEnable( GL_LIGHTING);
glEnable( GL_CULL_FACE);
glDisable( GL_TEXTURE_2D);
for (size_t i = 0; i < game.teams.size(); i++)
draw_team(&game.teams[i]);
// for (size_t i = 0; i < game.teams.size(); i++)
// draw_team(&game.teams[i]);
for (size_t i = 0; i < GAME_PLAYER_COUNT; i++)
drawPlayer(&game.player[i]);
for (size_t i = 0; i < GAME_BOMB_COUNT; i++)
draw_bomb(&game.bomb[i]);
for (size_t i = 0; i < GAME_POINT_COUNT; i++)
draw_point(&game.point[i]);
// for (size_t i = 0; i < GAME_BOMB_COUNT; i++)
// draw_bomb(&game.bomb[i]);
//
// for (size_t i = 0; i < GAME_POINT_COUNT; i++)
// draw_point(&game.point[i]);
drawLevel();

4
src/common/Application.cpp
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@@ -56,7 +56,7 @@ void Application::initialize(Arguments &arg) {
if (host.empty()) {
setMaster(true);
} else {
setMaster(true);
setMaster(false);
}
// start
@@ -77,7 +77,7 @@ void Application::update() {
// network stuff
network.service(master ? 1 : 0);
game.update(dt);
game.update(time, dt);
if (master && gameUpdateSchudule.next(time)) {
network.sendGameUpdates();
}

214
src/common/Game.cpp
View File

@@ -4,17 +4,21 @@
#include <math.h>
#include <stdlib.h>
#include <iostream>
#include "btBulletDynamicsCommon.h"
Game::Game() :
collisionConfiguration(new btDefaultCollisionConfiguration()), dispatcher(
local_player(0), collisionConfiguration(
new btDefaultCollisionConfiguration()), dispatcher(
new btCollisionDispatcher(collisionConfiguration.get())),
overlappingPairCache(new btDbvtBroadphase), solver(
new btSequentialImpulseConstraintSolver), dynamicsWorld(
new btDiscreteDynamicsWorld(dispatcher.get(),
overlappingPairCache.get(), solver.get(),
collisionConfiguration.get())), levelMesh(0) {
slaveUpdate.setInterval(1. / 60.);
slaveUpdate.setExact(true);
}
Game::~Game() {
@@ -33,7 +37,7 @@ void reset_team(Team *team) {
void reset_player(player_t *player) {
if (player->team) {
player->x = player->team->x + 100;
player->x = player->team->x;
player->y = player->team->y;
player->z = player->team->z;
} else {
@@ -60,9 +64,9 @@ void setup_team(Team *team, uint8_t id) {
team->color[2] = .5f + .5f * (id & (1 << 2));
team->color[3] = 1.0f;
team->x = 2000.0 * (id & (1 << 0));
team->y = 2000.0 * (id & (1 << 1));
team->z = 2000.0 * (id & (1 << 2));
team->x = 0.0;
team->y = 0;
team->z = 0;
team->points = 0;
team->wins = 0;
@@ -94,9 +98,7 @@ void setup_bomb(bomb_t *bomb) {
bomb->z = 0.0;
}
void Game::setupLevel() {
dynamicsWorld->setGravity(btVector3(0,-10,0));
void Game::loadLevelShape() {
levelMesh = tlLoadTrimesh("data/level.obj", TL_FVF_XYZ | TL_FVF_UV
| TL_FVF_NORMAL);
@@ -108,40 +110,64 @@ void Game::setupLevel() {
im.m_numVertices = levelMesh->vertex_count;
im.m_vertexBase = (unsigned char *) levelMesh->vertices;
im.m_vertexStride = levelMesh->vertex_size;
im.m_vertexType = PHY_FLOAT;
levelVertexArray.reset(new btTriangleIndexVertexArray);
levelVertexArray->addIndexedMesh(im, PHY_SHORT);
btBvhTriangleMeshShape *_levelShape = new btBvhTriangleMeshShape(
levelVertexArray.get(), true);
levelVertexArray.get(), true, true);
btVector3 center;
btScalar radius;
_levelShape->getBoundingSphere(center, radius);
std::cout << center.x() << " " << center.y() << " " << center.y() << ", "
<< radius << std::endl;
levelShape.reset(_levelShape);
}
btVector3 localInertia(0, 0, 0);
btRigidBody::btRigidBodyConstructionInfo rbInfo(0, 0, _levelShape,
localInertia);
levelBody.reset(new btRigidBody(rbInfo));
dynamicsWorld->addRigidBody(levelBody.get());
// load ship
void Game::loadShipShape() {
shipMesh = tlLoadTrimesh("data/ship.obj", TL_FVF_XYZ | TL_FVF_UV
| TL_FVF_NORMAL);
/*
btIndexedMesh sim;
sim.m_numTriangles = shipMesh->face_count;
sim.m_triangleIndexBase = (unsigned char *) shipMesh->faces;
sim.m_triangleIndexStride = sizeof(unsigned short) * 3;
btIndexedMesh sim;
sim.m_numTriangles = shipMesh->face_count;
sim.m_triangleIndexBase = (unsigned char *) shipMesh->faces;
sim.m_triangleIndexStride = sizeof(unsigned short) * 3;
sim.m_numVertices = shipMesh->vertex_count;
sim.m_vertexBase = (unsigned char *) shipMesh->vertices;
sim.m_vertexStride = shipMesh->vertex_size;
sim.m_vertexType = PHY_FLOAT;
sim.m_numVertices = shipMesh->vertex_count;
sim.m_vertexBase = (unsigned char *) shipMesh->vertices;
sim.m_vertexStride = shipMesh->vertex_size;
shipVertexArray.reset(new btTriangleIndexVertexArray);
shipVertexArray->addIndexedMesh(sim, PHY_SHORT);
shipVertexArray.reset(new btTriangleIndexVertexArray);
shipVertexArray->addIndexedMesh(im, PHY_SHORT);
btBvhTriangleMeshShape *_shipShape = new btBvhTriangleMeshShape(
shipVertexArray.get(), true, true);
btBvhTriangleMeshShape *_shipShape = new btBvhTriangleMeshShape(
shipVertexArray.get(), true);
shipShape.reset(_shipShape);
btVector3 center;
btScalar radius;
_shipShape->getBoundingSphere(center, radius);
std::cout << center.x() << " " << center.y() << " " << center.y() << ", "
<< radius << std::endl;
shipShape.reset(_shipShape);
*/
shipShape.reset(new btBoxShape(btVector3(btScalar(1.5), btScalar(1.5),
btScalar(1.5))));
}
void Game::setupLevel() {
dynamicsWorld->setGravity(btVector3(0, 0, 0));
loadLevelShape();
loadShipShape();
levelState.reset(new btDefaultMotionState());
btRigidBody::btRigidBodyConstructionInfo rbInfo(0, levelState.get(),
levelShape.get());
levelBody.reset(new btRigidBody(rbInfo));
dynamicsWorld->addRigidBody(levelBody.get());
}
void Game::setup() {
@@ -190,7 +216,6 @@ player_t *Game::getFreePlayer() {
if (player[i].status == 0)
return &player[i];
}
return NULL;
}
player_t *Game::spawn_player(Team *team) {
@@ -201,6 +226,7 @@ player_t *Game::spawn_player(Team *team) {
reset_player(player);
if (player->body.get() == 0) {
std::cout << "Game::spawn_player: create body" << std::endl;
/// Create Dynamic Objects
btTransform startTransform;
startTransform.setIdentity();
@@ -213,6 +239,7 @@ player_t *Game::spawn_player(Team *team) {
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,
player->state.get(), shipShape.get(), localInertia);
player->body.reset(new btRigidBody(rbInfo));
player->body->setCcdSweptSphereRadius(1.5);
dynamicsWorld->addRigidBody(player->body.get());
}
return player;
@@ -225,12 +252,25 @@ player_t *Game::spawn_player_id(Team *team, uint16_t id) {
if (max_player_id < id)
max_player_id = id;
player->status = 1;
player->x = team->x + 100;
player->y = team->y;
player->z = team->z;
player->vx = 0.;
player->vy = 0.;
player->vz = 0.;
reset_player(player);
if (player->body.get() == 0) {
/// Create Dynamic Objects
std::cout << "[Game] create body" << std::endl;
btTransform startTransform;
startTransform.setIdentity();
startTransform.setOrigin(btVector3(player->x, player->y, player->z));
btScalar mass(1.f);
btVector3 localInertia(0, 0, 0);
shipShape->calculateLocalInertia(mass, localInertia);
player->state.reset(new btDefaultMotionState());
player->state->setWorldTransform(startTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,
player->state.get(), shipShape.get(), localInertia);
player->body.reset(new btRigidBody(rbInfo));
player->body->setCcdSweptSphereRadius(1.5);
dynamicsWorld->addRigidBody(player->body.get());
}
return player;
}
@@ -240,20 +280,24 @@ void Game::update_players(double dt) {
player_t *p = &player[i];
if (p->status == 0)
return;
// if (p->vx > 1000.0)
// p->vx = 1000.0;
// if (p->vy > 1000.0)
// p->vy = 1000.0;
// if (p->vz > 1000.0)
// p->vz = 1000.0;
// p->x += p->vx * dt;
// p->y += p->vy * dt;
// p->z += p->vz * dt;
btTransform wt;
p->state->getWorldTransform(wt);
p->x = wt.getOrigin().x();
p->y = wt.getOrigin().y();
p->z = wt.getOrigin().z();
if (master || true) {
btTransform wt;
p->state->getWorldTransform(wt);
p->x = wt.getOrigin().x();
p->y = wt.getOrigin().y();
p->z = wt.getOrigin().z();
btVector3 v = p->body->getLinearVelocity();
p->vx = v.x();
p->vy = v.z();
p->vz = v.z();
} else {
std::cout << "update player " << p->id << ": " << p->x << " += "
<< p->vx << " * " << dt << std::endl;
p->x += p->vx * dt;
p->y += p->vy * dt;
p->z += p->vz * dt;
}
double distance2 = pow(p->x - p->team->x, 2)
+ pow(p->y - p->team->y, 2) + pow(p->z - p->team->z, 2);
@@ -262,29 +306,29 @@ void Game::update_players(double dt) {
p->points = 0;
}
if (p->x < (-1000 + 10)) {
p->x = (-1000 + 10);
p->vx *= -1;
} else if (p->x > (5000 - 10)) {
p->x = (5000 - 10);
p->vx *= -1;
}
if (p->y < (-3000 + 10)) {
p->y = (-3000 + 10);
p->vy *= -1;
} else if (p->y > (3000 - 10)) {
p->y = (3000 - 10);
p->vy *= -1;
}
if (p->z < (-3000 + 10)) {
p->z = (-3000 + 10);
p->vz *= -1;
} else if (p->z > (3000 - 10)) {
p->z = (3000 - 10);
p->vz *= -1;
}
// if (p->x < (-1000 + 10)) {
// p->x = (-1000 + 10);
// p->vx *= -1;
// } else if (p->x > (5000 - 10)) {
// p->x = (5000 - 10);
// p->vx *= -1;
// }
//
// if (p->y < (-3000 + 10)) {
// p->y = (-3000 + 10);
// p->vy *= -1;
// } else if (p->y > (3000 - 10)) {
// p->y = (3000 - 10);
// p->vy *= -1;
// }
//
// if (p->z < (-3000 + 10)) {
// p->z = (-3000 + 10);
// p->vz *= -1;
// } else if (p->z > (3000 - 10)) {
// p->z = (3000 - 10);
// p->vz *= -1;
// }
}
}
@@ -386,17 +430,21 @@ void Game::update_points(double dt) {
}
}
void Game::update(double dt) {
dynamicsWorld->stepSimulation(dt,10);
const double delta = 1. / 120.;
updateTime += dt;
while (updateTime > delta) {
Game::update_players(delta);
Game::update_bombs(delta);
Game::update_points(delta);
updateTime -= delta;
void Game::update(double time, double dt) {
if (master || true) {
int steps = dynamicsWorld->stepSimulation(dt, 10);
if (steps > 0) {
double timeStep = dt;
Game::update_players(timeStep);
Game::update_bombs(timeStep);
Game::update_points(timeStep);
}
} else if (slaveUpdate.next(time)) {
Game::update_players(slaveUpdate.getInterval());
Game::update_bombs(slaveUpdate.getInterval());
Game::update_points(slaveUpdate.getInterval());
}
}
size_t Game::active_team_players(Team *team) {

7
src/common/Game.h
View File

@@ -4,6 +4,7 @@
#include "common.h"
#include "sigslot.h"
#include "trimeshloader.h"
#include "Schedule.h"
#include <vector>
#include <memory>
@@ -88,7 +89,7 @@ public:
point_t *spawn_point();
void update_bombs(double dt);
void update_points(double dt);
void update(double dt);
void update(double time, double dt);
void set_master(int master);
player_t *getFreePlayer();
void explode_bomb(bomb_t *bomb);
@@ -100,6 +101,8 @@ public:
private:
void setupLevel();
void loadLevelShape();
void loadShipShape();
const std::auto_ptr<btDefaultCollisionConfiguration> collisionConfiguration;
const std::auto_ptr<btCollisionDispatcher> dispatcher;
@@ -108,11 +111,13 @@ private:
const std::auto_ptr<btDiscreteDynamicsWorld> dynamicsWorld;
std::auto_ptr<btTriangleIndexVertexArray> levelVertexArray;
std::auto_ptr<btCollisionShape> levelShape;
std::auto_ptr<btMotionState> levelState;
std::auto_ptr<btRigidBody> levelBody;
std::auto_ptr<btTriangleIndexVertexArray> shipVertexArray;
std::auto_ptr<btCollisionShape> shipShape;
Schedule slaveUpdate;
};
#endif

80
src/common/Network.cpp
View File

@@ -82,12 +82,15 @@ void Network::sendGameUpdates() {
player_update_message_t msg;
msg.msg_id = MESSAGE_PLAYER_UPDATE;
msg.player_id = game->player[i].id;
msg.x = game->player[i].x;
msg.y = game->player[i].y;
msg.z = game->player[i].z;
msg.vx = game->player[i].vx;
msg.vy = game->player[i].vy;
msg.vz = game->player[i].vz;
btVector3 v = game->player[i].body->getLinearVelocity();
btVector3 p = game->player[i].body->getWorldTransform().getOrigin();
msg.x = p.x();
msg.y = p.y();
msg.z = p.z();
msg.vx = v.x();
msg.vy = v.y();
msg.vz = v.z();
msg.points = game->player[i].points;
ENetPacket * packet = enet_packet_create(&msg, sizeof(msg), 0);
enet_host_broadcast(host, 0, packet);
@@ -124,38 +127,52 @@ void Network::dispatch(enet_uint8 *data, size_t length) {
case MESSAGE_ACCEPT: {
accept_message_t *am = (accept_message_t *) data;
game->local_player = game->getPlayer(am->player_id);
std::cout << "[Network] accpeted player " << am->player_id << std::endl;
break;
}
case MESSAGE_PLAYER_UPDATE: {
player_update_message_t *um = (player_update_message_t *) data;
std::cout << "[Network] update player " << um->player_id << std::endl;
player_t *player = game->getPlayer(um->player_id);
if (player != game->local_player) {
player->x = um->x + um->vx * 0.0001;
player->y = um->y + um->vy * 0.0001;
player->z = um->z + um->vz * 0.0001;
player->vx = um->vx;
player->vy = um->vy;
player->vz = um->vz;
#if 1
btVector3 v = player->body->getLinearVelocity();
btVector3 p = player->body->getWorldTransform().getOrigin();
btVector3 v1(um->vx, um->vy, um->vz);
btVector3 p1(um->x, um->y, um->z);
player->body->activate(true);
player->body->setLinearVelocity(v1);
player->body->getWorldTransform().setOrigin((2 * p + p1) / 3);
//player->body->applyCentralForce((v1 -v)/10.0);
#endif
#if 0
std::cout << " v:" << um->vx << " " << um->vy << " " << um -> vz
<< std::endl;
std::cout << " p:" << um->x << " " << um->y << " " << um -> z
<< std::endl;
double threshold = 0.1;
double dx = um->x - player->x;
double dy = um->y - player->y;
double dz = um->z - player->z;
std::cout << " d:" << dx << " " << dy << " " << dz << std::endl;
if (fabs(dx) < threshold) {
player->x += 0.1 * dx;
} else {
if (fabs(um->x - player->x) < 10.0) {
player->vx = um->vx + (um->x - player->x);
} else {
player->x = um->x;
player->vx = um->vx;
}
if (fabs(um->y - player->y) < 10.0) {
player->vy = um->vy + (um->y - player->y);
} else {
player->y = um->y;
player->vy = um->vy;
}
if (fabs(um->z - player->z) < 10.0) {
player->vz = um->vz + (um->z - player->z);
} else {
player->z = um->z;
player->vz = um->vz;
}
player->x = um->x;
}
if (fabs(dy) < threshold) {
player->y += 0.1 * dy;
} else {
player->y = um->y;
}
if (fabs(dz) < threshold) {
player->z += 0.1 * dz;
} else {
player->z = um->z;
}
player->vx = um->vx;
player->vy = um->vy;
player->vz = um->vz;
#endif
player->points = um->points;
break;
}
@@ -174,6 +191,7 @@ void Network::dispatch(enet_uint8 *data, size_t length) {
player->vx += um->x;
player->vy += um->y;
player->vz += um->z;
player->body->activate(true);
player->body->applyCentralImpulse(btVector3(um->x, um->y, um->z));
break;
}