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add bombs, closes #24

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This commit is contained in:
gmueller 2011-01-06 13:51:52 +01:00
parent a02ad6bd34
commit 70e3542910
3 changed files with 245 additions and 105 deletions
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61
src/game.cpp
View File

@ -1,6 +1,7 @@
#include "game.h"
#include <stdlib.h>
#include <math.h>
void game_setup_team(team_t *team, uint8_t id) {
team->id = id;
@ -55,7 +56,7 @@ player_t *game_spawn_player(game_t *game, team_t *team) {
return player;
}
player_t *game_spawn_player_id(game_t *game, team_t *team, uint8_t id) {
player_t *game_spawn_player_id(game_t *game, team_t *team, uint16_t id) {
player_t *player = _game_free_player(game);
player->team = team;
player->id = id;
@ -83,6 +84,49 @@ void game_update_players(game_t *game, double dt) {
}
}
void _explode_bomb(game_t *game, bomb_t *bomb, void(*explosion_callback)(
double x, double y, double z)) {
size_t i;
for (i = 0; i < GAME_PLAYER_COUNT; i++) {
player_t *player = &game->player[i];
if (player->status == 0)
return;
double distance2 = pow(player->x - bomb->x, 2) + pow(player->y
- bomb->y, 2) + pow(player->z - bomb->z, 2);
if (distance2 < 10000.0) {
explosion_callback(player->x, player->y, player->z);
player->x = player->team->x + 100;
player->y = player->team->y;
player->z = player->team->z;
player->vx = 0.;
player->vy = 0.;
player->vz = 0.;
}
}
}
void game_update_bombs(game_t *game, double dt, void(*explosion_callback)(
double x, double y, double z)) {
size_t i;
for (i = 0; i < GAME_BOMB_COUNT; i++) {
bomb_t *bomb = &game->bomb[i];
if (bomb->status == 0)
return;
bomb->x += bomb->vx * dt;
bomb->y += bomb->vy * dt;
bomb->z += bomb->vz * dt;
bomb->ttl -= dt;
if (bomb->ttl < 0) {
if (bomb->status == 1) {
explosion_callback(bomb->x, bomb->y, bomb->z);
bomb->status = 2;
} else if (bomb->ttl < 0.8) {
_explode_bomb(game, bomb, explosion_callback);
bomb->status = 0;
}
}
}
}
size_t game_active_team_players(game_t *game, team_t *team) {
size_t i, count = 0;
@ -108,7 +152,7 @@ team_t *game_team_with_least_players(game_t *game) {
return team;
}
team_t *game_team(game_t *game, uint8_t id){
team_t *game_team(game_t *game, uint16_t id) {
size_t i;
for (i = 0; i < GAME_TEAM_COUNT; i++) {
if (game->team[i].id == id) {
@ -118,7 +162,7 @@ team_t *game_team(game_t *game, uint8_t id){
return NULL;
}
player_t *game_player(game_t *game, uint8_t id){
player_t *game_player(game_t *game, uint16_t id) {
size_t i;
for (i = 0; i < GAME_PLAYER_COUNT; i++) {
if (game->player[i].id == id) {
@ -127,3 +171,14 @@ player_t *game_player(game_t *game, uint8_t id){
}
return NULL;
}
bomb_t *game_spawn_bomb(game_t *game) {
size_t i;
for (i = 0; i < GAME_BOMB_COUNT; i++) {
if (game->bomb[i].status == 0) {
game->bomb[i].status = 1;
return &game->bomb[i];
}
}
return NULL;
}

27
src/game.h
View File

@ -9,18 +9,26 @@ typedef struct game_t game_t;
#define GAME_TEAM_COUNT 8
#define GAME_PLAYER_COUNT 64
#define GAME_BOMB_COUNT (GAME_PLAYER_COUNT * 4)
struct player_t {
uint8_t id;
uint8_t status;
uint16_t id;
uint16_t status;
double x, y, z;
double rx, ry, rz, rw;
double vx, vy, vz;
team_t *team;
};
struct bomb_t {
uint8_t status;
double x, y, z;
double vx, vy, vz;
double ttl;
};
struct team_t {
uint8_t id;
uint16_t id;
double x, y, z;
float color[4];
};
@ -28,15 +36,20 @@ struct team_t {
struct game_t {
team_t team[GAME_TEAM_COUNT];
player_t player[GAME_PLAYER_COUNT];
int32_t max_player_id;
bomb_t bomb[GAME_BOMB_COUNT];
int16_t max_player_id;
};
extern void game_setup(game_t *game);
extern team_t *game_team_with_least_players(game_t *game);
extern player_t *game_spawn_player(game_t *game, team_t *team);
extern player_t *game_spawn_player_id(game_t *game, team_t *team, uint8_t id);
extern team_t *game_team(game_t *game, uint8_t id);
extern player_t *game_player(game_t *game, uint8_t id);
extern player_t *game_spawn_player_id(game_t *game, team_t *team, uint16_t id);
extern team_t *game_team(game_t *game, uint16_t id);
extern player_t *game_player(game_t *game, uint16_t id);
extern bomb_t *game_bomb(game_t *game, uint16_t index);
extern void game_update_players(game_t *game, double dt);
extern bomb_t *game_spawn_bomb(game_t *game);
extern void game_update_bombs(game_t *game, double dt,
void(*explosion_callback)(double x, double y, double z));
#endif

244
src/main.cpp
View File

@ -85,6 +85,18 @@ void draw_player(player_t *player) {
glPopMatrix();
}
void draw_bomb(bomb_t *bomb) {
if (bomb->status != 1)
return;
GLfloat red[] = { 1.0f, 0.0f, 0.0f, 1.0f };
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red);
glMatrixMode( GL_MODELVIEW);
glPushMatrix();
glTranslated(bomb->x, bomb->y, bomb->z);
gluSphere(quadratic, 3.f, 32, 32);
glPopMatrix();
}
void setup_network(const char *remote) {
if (enet_initialize() != 0) {
fprintf(stderr, "An error occurred while initializing ENet.\n");
@ -147,6 +159,8 @@ void setup_network(const char *remote) {
#define MESSAGE_ACCEPT 2
#define MESSAGE_PLAYER_UPDATE 3
#define MESSAGE_PLAYER_ACCELERATE 4
#define MESSAGE_BOMB_DROP 5
#define MESSAGE_BOMB_UPDATE 6
typedef struct message_t {
uint16_t msg_id;
@ -155,22 +169,22 @@ typedef struct message_t {
typedef struct player_spawn_message_t {
uint16_t msg_id;
uint8_t team_id;
uint8_t player_id;
uint16_t player_id;
} player_spawn_message_t;
typedef struct player_kill_message_t {
uint16_t msg_id;
uint8_t player_id;
uint16_t player_id;
} player_kill_message_t;
typedef struct accept_message_t {
uint16_t msg_id;
uint8_t player_id;
uint16_t player_id;
} accept_message_t;
typedef struct player_update_message_t {
uint16_t msg_id;
uint8_t player_id;
uint16_t player_id;
unsigned int session;
double x, y, z;
double vx, vy, vz;
@ -178,10 +192,25 @@ typedef struct player_update_message_t {
typedef struct player_accelerate_message_t {
uint16_t msg_id;
uint8_t player_id;
uint16_t player_id;
double x, y, z;
} player_accelerate_message_t;
typedef struct bomb_drop_meesage_t {
uint16_t msg_id;
double x, y, z;
double vx, vy, vz;
double ttl;
} bomb_drop_meesage_t;
typedef struct bomb_update_meesage_t {
uint16_t msg_id;
uint16_t bomb_index;
double x, y, z;
double vx, vy, vz;
double ttl;
} bomb_update_meesage_t;
void send_player_updates(game_t *game) {
size_t i;
for (i = 0; i < GAME_PLAYER_COUNT; i++) {
@ -201,6 +230,68 @@ void send_player_updates(game_t *game) {
}
}
void dispatch_message(enet_uint8 *data, size_t length, game_t *game) {
message_t *msg = (message_t *) data;
switch (msg->msg_id) {
case MESSAGE_PLAYER_SPAWN: {
player_spawn_message_t *sm = (player_spawn_message_t *) data;
team_t *team = game_team(game, sm->team_id);
player_t *player = game_spawn_player_id(game, team, sm->player_id);
break;
}
case MESSAGE_PLAYER_KILL: {
player_kill_message_t *sm = (player_kill_message_t *) data;
player_t *player = game_player(game, sm->player_id);
player->status = 0;
player->team = 0;
break;
}
case MESSAGE_ACCEPT: {
accept_message_t *am = (accept_message_t *) data;
local_player = game_player(game, am->player_id);
printf("Spwan as %d.%d\n", local_player->team->id, local_player->id);
break;
}
case MESSAGE_PLAYER_UPDATE: {
player_update_message_t *um = (player_update_message_t *) data;
player_t *player = game_player(game, um->player_id);
player->x = um->x;
player->y = um->y;
player->z = um->z;
player->vx = um->vx;
player->vy = um->vy;
player->vz = um->vz;
break;
}
case MESSAGE_PLAYER_ACCELERATE: {
player_accelerate_message_t *um = (player_accelerate_message_t *) data;
player_t *player = game_player(game, um->player_id);
player->vx += um->x;
player->vy += um->y;
player->vz += um->z;
break;
}
case MESSAGE_BOMB_DROP: {
bomb_drop_meesage_t *m = (bomb_drop_meesage_t *) data;
bomb_t *bomb = game_spawn_bomb(game);
if (bomb == NULL)
return;
bomb->x = m->x;
bomb->y = m->y;
bomb->z = m->z;
bomb->vx = m->vx;
bomb->vy = m->vy;
bomb->vz = m->vz;
bomb->ttl = m->ttl;
if (client_peer == NULL) {
ENetPacket * packet = enet_packet_create(data, length,
ENET_PACKET_FLAG_RELIABLE);
enet_host_broadcast(host, 0, packet);
}
break;
}
};
}
void service_network(game_t *game) {
ENetEvent event;
@ -253,63 +344,8 @@ void service_network(game_t *game) {
break;
case ENET_EVENT_TYPE_RECEIVE: {
#if 0
printf(
"A packet of length %u was received from %s on channel %u.\n",
event.packet->dataLength, event.packet->data,
event.peer->data, event.channelID);
#endif
/* Clean up the packet now that we're done using it. */
message_t *msg = (message_t *) event.packet->data;
switch (msg->msg_id) {
case MESSAGE_PLAYER_SPAWN: {
player_spawn_message_t *sm =
(player_spawn_message_t *) event.packet->data;
team_t *team = game_team(game, sm->team_id);
player_t *player = game_spawn_player_id(game, team,
sm->player_id);
}
break;
case MESSAGE_PLAYER_KILL: {
player_kill_message_t *sm =
(player_kill_message_t *) event.packet->data;
player_t *player = game_player(game, sm->player_id);
player->status = 0;
player->team = 0;
}
break;
case MESSAGE_ACCEPT: {
accept_message_t *am = (accept_message_t *) event.packet->data;
local_player = game_player(game, am->player_id);
printf("Spwan as %d.%d\n", local_player->team->id,
local_player->id);
}
break;
case MESSAGE_PLAYER_UPDATE: {
player_update_message_t *um =
(player_update_message_t *) event.packet->data;
player_t *player = game_player(game, um->player_id);
player->x = um->x;
player->y = um->y;
player->z = um->z;
player->vx = um->vx;
player->vy = um->vy;
player->vz = um->vz;
}
break;
case MESSAGE_PLAYER_ACCELERATE: {
player_accelerate_message_t *um =
(player_accelerate_message_t *) event.packet->data;
player_t *player = game_player(game, um->player_id);
player->vx += um->x;
player->vy += um->y;
player->vz += um->z;
}
break;
};
dispatch_message(event.packet->data, event.packet->dataLength, game);
enet_packet_destroy(event.packet);
break;
}
case ENET_EVENT_TYPE_DISCONNECT:
@ -335,20 +371,38 @@ void service_network(game_t *game) {
}
void accelerate(double x, double y, double z) {
local_player->vx += x;
local_player->vy += y;
local_player->vz += z;
if (client_peer) {
void accelerate(game_t *game, double x, double y, double z) {
player_accelerate_message_t msg;
msg.msg_id = MESSAGE_PLAYER_ACCELERATE;
msg.player_id = local_player->id;
msg.x = x;
msg.y = y;
msg.z = z;
if (client_peer) {
ENetPacket * packet = enet_packet_create(&msg, sizeof(msg),
ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client_peer, 0, packet);
} else {
dispatch_message((uint8_t*) &msg, sizeof(msg), game);
}
}
void drop_bomb(game_t *game, double x, double y, double z, double ttl) {
bomb_drop_meesage_t msg;
msg.msg_id = MESSAGE_BOMB_DROP;
msg.x = x;
msg.y = y;
msg.z = z;
msg.vx = local_player->vx;
msg.vy = local_player->vy;
msg.vz = local_player->vz;
msg.ttl = ttl;
if (client_peer) {
ENetPacket * packet = enet_packet_create(&msg, sizeof(msg),
ENET_PACKET_FLAG_RELIABLE);
enet_peer_send(client_peer, 0, packet);
} else {
dispatch_message((uint8_t*) &msg, sizeof(msg), game);
}
}
@ -398,9 +452,14 @@ void setup_explosion() {
textures[4]);
}
void explosion_callback(double x, double y, double z) {
explosion.add(x, y, z);
}
int main(int argc, char ** argv) {
int width, height, x, y, last_x, last_y;
double time, last_time, phi = 0.0, theta = 0.0, last_player_update;
double time, last_time, phi = 0.0, theta = 0.0, last_player_update,
last_bomb;
GLboolean running;
int server = 0;
@ -430,6 +489,8 @@ int main(int argc, char ** argv) {
running = GL_TRUE;
last_time = glfwGetTime();
last_player_update = last_time;
last_bomb = last_time;
double camX, camY, camZ;
glfwGetMousePos(&last_x, &last_y);
while (running) {
// Get time and mouse position
@ -447,27 +508,45 @@ int main(int argc, char ** argv) {
last_x = x;
last_y = y;
if (local_player) {
camX = local_player->x;
camY = local_player->y;
camZ = local_player->z;
} else {
camX = 1000.0;
camY = 1000.0;
camZ = 1000.0;
}
double rx = cos(phi) * cos(theta);
double ry = sin(theta);
double rz = sin(phi) * cos(theta);
double v = 50.0f * dt;
if (glfwGetKey('W')) {
accelerate(rx * v, ry * v, rz * v);
accelerate(&game, rx * v, ry * v, rz * v);
} else if (glfwGetKey('S')) {
accelerate(rx * -v, ry * -v, rz * -v);
accelerate(&game, rx * -v, ry * -v, rz * -v);
}
if (glfwGetKey('A')) {
accelerate(rz * v, 0, -rx * v);
accelerate(&game, rz * v, 0, -rx * v);
} else if (glfwGetKey('D')) {
accelerate(-rz * v, 0, rx * v);
accelerate(&game, -rz * v, 0, rx * v);
}
if (glfwGetKey(GLFW_KEY_SPACE)) {
accelerate(local_player->vx * -dt, local_player->vy * -dt,
accelerate(&game, local_player->vx * -dt, local_player->vy * -dt,
local_player->vz * -dt);
}
if (glfwGetKey(GLFW_KEY_LCTRL)) {
if (time - last_bomb > 5.0) {
last_bomb = time;
drop_bomb(&game, local_player->x + rx - 20.0, local_player->y
+ ry * -20.0, local_player->z + rz * -20.0, 5.0);
}
}
if (glfwGetKey(GLFW_KEY_ENTER)) {
explosion.add(200.0, 200.0, 200.0);
}
@ -492,19 +571,9 @@ int main(int argc, char ** argv) {
// Select and setup the modelview matrix
glMatrixMode( GL_MODELVIEW);
glLoadIdentity();
if (local_player) {
gluLookAt(local_player->x, local_player->y,
local_player->z, // Eye-position
local_player->x + cos(phi) * cos(theta) * 10.0f,
local_player->y + sin(theta) * 10.0f, local_player->z
+ sin(phi) * cos(theta) * 10.0f, // View-point
gluLookAt(camX, camY, camZ, camX + cos(phi) * cos(theta) * 10.0f, camY
+ sin(theta) * 10.0f, camZ + sin(phi) * cos(theta) * 10.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
} else {
gluLookAt(100.0f, 100.0f, 100.0f, // Eye-position
100.0f + cos(phi) * cos(theta) * 10.0f, 100.0f + sin(theta)
* 10.0f, 100.0f + sin(phi) * cos(theta) * 10.0f, // View-point
0.0f, 1.0f, 0.0f); // Up-vector
}
service_network(&game);
if (server) {
@ -515,6 +584,7 @@ int main(int argc, char ** argv) {
}
game_update_players(&game, dt);
game_update_bombs(&game, dt, explosion_callback);
glEnable( GL_LIGHT0);
glEnable( GL_LIGHTING);
@ -534,11 +604,13 @@ int main(int argc, char ** argv) {
for (i = 0; i < GAME_PLAYER_COUNT; i++)
draw_player(&game.player[i]);
for (i = 0; i < GAME_BOMB_COUNT; i++)
draw_bomb(&game.bomb[i]);
glDisable(GL_LIGHT0);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
explosion.update(dt * 1000.0, local_player->x, local_player->y,
local_player->z);
explosion.update(dt * 1000.0, camX, camY, camZ);
explosion.render();
// Swap buffers