318 lines
7.4 KiB
C++
318 lines
7.4 KiB
C++
#include "game.h"
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#include <stdlib.h>
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#include <math.h>
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#include <stdlib.h>
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double rand2() {
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float u = (float) rand() / (float) RAND_MAX;
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return 2.0 * (u - 0.5);
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}
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void game_setup_team(team_t *team, uint8_t id) {
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team->id = id;
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team->color[0] = .5f + .5f * (id & (1 << 0));
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team->color[1] = .5f + .5f * (id & (1 << 1));
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team->color[2] = .5f + .5f * (id & (1 << 2));
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team->color[3] = 1.0f;
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team->x = 2000.0 * (id & (1 << 0));
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team->y = 2000.0 * (id & (1 << 1));
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team->z = 2000.0 * (id & (1 << 2));
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team->points = 0;
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team->wins = 0;
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}
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void game_setup_player(player_t *player) {
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player->id = 0;
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player->status = 0;
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player->team = NULL;
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}
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void game_setup_point(point_t *point) {
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point->status = 1;
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point->x = 1000 + 500.0 * rand2();
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point->y = 500.0 * rand2();
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point->z = 500.0 * rand2();
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}
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void game_reset_team(team_t *team, uint8_t id) {
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team->id = id;
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team->color[0] = 1.;
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team->color[1] = 1.;
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team->color[2] = 1.;
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team->color[3] = 1.f;
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team->x = 0.;
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team->y = 0.;
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team->z = 0.;
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team->points = 0;
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team->wins = 0;
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}
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void game_reset_player(player_t *player) {
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player->id = 0;
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player->status = 0;
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player->team = NULL;
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player->x = 0.0;
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player->y = 0.0;
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player->z = 0.0;
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player->vx = 0.0;
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player->vy = 0.0;
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player->vz = 0.0;
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}
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void game_reset_point(point_t *point) {
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point->status = 0;
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point->x = 0.0;
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point->y = 0.0;
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point->z = 0.0;
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}
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void game_setup(game_t *game, int master, void(*explosion_callback)(double x,
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double y, double z)) {
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size_t i;
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if (master) {
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for (i = 0; i < GAME_TEAM_COUNT; i++)
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game_setup_team(&game->team[i], i);
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for (i = 0; i < GAME_PLAYER_COUNT; i++)
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game_setup_player(&game->player[i]);
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for (i = 0; i < GAME_POINT_COUNT; i++)
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game_setup_point(&game->point[i]);
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} else {
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for (i = 0; i < GAME_TEAM_COUNT; i++)
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game_reset_team(&game->team[i], i);
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for (i = 0; i < GAME_PLAYER_COUNT; i++)
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game_reset_player(&game->player[i]);
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for (i = 0; i < GAME_POINT_COUNT; i++)
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game_reset_point(&game->point[i]);
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}
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game->explosion_callback = explosion_callback;
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game->max_player_id = 0;
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game->master = master;
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game->updateTime = 0.0;
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}
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player_t *_game_free_player(game_t *game) {
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size_t i;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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if (game->player[i].status == 0)
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return &game->player[i];
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}
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return NULL;
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}
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player_t *game_spawn_player(game_t *game, team_t *team) {
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player_t *player = _game_free_player(game);
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player->team = team;
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player->id = game->max_player_id++;
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player->status = 1;
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player->x = team->x + 100;
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player->y = team->y;
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player->z = team->z;
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player->vx = 0.;
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player->vy = 0.;
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player->vz = 0.;
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return player;
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}
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player_t *game_spawn_player_id(game_t *game, team_t *team, uint16_t id) {
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player_t *player = _game_free_player(game);
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player->team = team;
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player->id = id;
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if (game->max_player_id < id)
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game->max_player_id = id;
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player->status = 1;
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player->x = team->x + 100;
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player->y = team->y;
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player->z = team->z;
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player->vx = 0.;
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player->vy = 0.;
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player->vz = 0.;
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return player;
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}
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void game_update_players(game_t *game, double dt) {
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size_t i;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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player_t *player = &game->player[i];
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if (player->status == 0)
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return;
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if (player->vx > 500.0)
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player->vx = 500.0;
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if (player->vy > 500.0)
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player->vy = 500.0;
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if (player->vz > 500.0)
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player->vz = 500.0;
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player->x += player->vx * dt;
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player->y += player->vy * dt;
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player->z += player->vz * dt;
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double distance2 = pow(player->x - player->team->x, 2) + pow(player->y
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- player->team->y, 2) + pow(player->z - player->team->z, 2);
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if (distance2 < 10000) {
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player->team->points += player->points;
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player->points = 0;
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}
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}
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}
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void _explode_bomb(game_t *game, bomb_t *bomb) {
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size_t i, j;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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player_t *player = &game->player[i];
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if (player->status == 0)
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continue;
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double distance2 = pow(player->x - bomb->x, 2) + pow(player->y
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- bomb->y, 2) + pow(player->z - bomb->z, 2);
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if (distance2 < 10000.0) {
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game->explosion_callback(player->x, player->y, player->z);
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player->x = player->team->x + 100;
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player->y = player->team->y;
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player->z = player->team->z;
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player->vx = 0.;
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player->vy = 0.;
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player->vz = 0.;
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for (j = 0; j < player->points; j++) {
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point_t *point = game_spawn_point(game);
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point->x = player->x + 20.0 * rand2();
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point->y = player->x + 20.0 * rand2();
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point->z = player->x + 20.0 * rand2();
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}
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player->points = 0;
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}
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}
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}
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void game_update_bombs(game_t *game, double dt) {
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size_t i;
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for (i = 0; i < GAME_BOMB_COUNT; i++) {
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bomb_t *bomb = &game->bomb[i];
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if (bomb->status == 0)
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continue;
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bomb->x += bomb->vx * dt;
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bomb->y += bomb->vy * dt;
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bomb->z += bomb->vz * dt;
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bomb->ttl -= dt;
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if (bomb->ttl < 0) {
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if (bomb->status == 1) {
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game->explosion_callback(bomb->x, bomb->y, bomb->z);
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bomb->status = 2;
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} else if (bomb->ttl < 0.8) {
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_explode_bomb(game, bomb);
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bomb->status = 0;
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}
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}
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}
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}
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void _update_point(game_t *game, point_t *point) {
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size_t i;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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player_t *player = &game->player[i];
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if (player->status == 0)
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continue;
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double distance2 = pow(player->x - point->x, 2) + pow(player->y
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- point->y, 2) + pow(player->z - point->z, 2);
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if (distance2 > 1000.0)
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continue;
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point->status = 0;
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player->points += 1;
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}
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}
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void game_update_points(game_t *game, double dt) {
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size_t i;
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for (i = 0; i < GAME_POINT_COUNT; i++) {
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point_t *point = &game->point[i];
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if (point->status == 0)
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continue;
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_update_point(game, point);
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}
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}
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void game_update(game_t *game, double dt) {
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const double delta = 1. / 60.;
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game->updateTime += dt;
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while (game->updateTime > delta * 0.8) {
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game_update_players(game, delta);
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game_update_bombs(game, delta);
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game_update_points(game, delta);
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game->updateTime -= delta;
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}
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}
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size_t game_active_team_players(game_t *game, team_t *team) {
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size_t i, count = 0;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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if (game->player[i].status == 0)
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continue;
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if (game->player[i].team == team)
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count++;
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}
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return count;
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}
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team_t *game_team_with_least_players(game_t *game) {
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size_t i, count = -1;
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team_t *team = NULL;
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for (i = 0; i < GAME_TEAM_COUNT; i++) {
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size_t players = game_active_team_players(game, &game->team[i]);
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if (players < count) {
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count = players;
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team = &game->team[i];
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}
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}
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return team;
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}
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team_t *game_team(game_t *game, uint16_t id) {
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size_t i;
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for (i = 0; i < GAME_TEAM_COUNT; i++) {
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if (game->team[i].id == id) {
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return &game->team[i];
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}
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}
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return NULL;
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}
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player_t *game_player(game_t *game, uint16_t id) {
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size_t i;
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for (i = 0; i < GAME_PLAYER_COUNT; i++) {
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if (game->player[i].id == id) {
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return &game->player[i];
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}
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}
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return NULL;
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}
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bomb_t *game_spawn_bomb(game_t *game) {
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size_t i;
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for (i = 0; i < GAME_BOMB_COUNT; i++) {
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if (game->bomb[i].status == 0) {
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game->bomb[i].status = 1;
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return &game->bomb[i];
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}
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}
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return NULL;
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}
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point_t *game_spawn_point(game_t *game) {
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size_t i;
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for (i = 0; i < GAME_POINT_COUNT; i++) {
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if (game->point[i].status == 0) {
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game->point[i].status = 1;
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return &game->point[i];
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}
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}
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return NULL;
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}
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