eco2d/code/apps/client/source/game.c

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#include "game.h"
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#include "zpl.h"
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#include "platform.h"
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#include "world/world.h"
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#include "packet.h"
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#include "signal_handling.h"
#include "network.h"
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#include "world_view.h"
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#include "entity_view.h"
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#include "camera.h"
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#include "flecs/flecs.h"
#include "flecs/flecs_dash.h"
#include "flecs/flecs_systems_civetweb.h"
#include "flecs/flecs_os_api_stdcpp.h"
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#include "packets/pkt_00_init.h"
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#include "packets/pkt_01_welcome.h"
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static int8_t is_viewer_only;
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static world_view *world_viewers;
static world_view *active_viewer;
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static WORLD_PKT_READER(pkt_reader) {
pkt_header header = {0};
uint32_t ok = pkt_header_decode(&header, data, datalen);
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header.udata = udata;
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if (ok && header.ok) {
return pkt_handlers[header.id].handler(&header) >= 0;
} else {
zpl_printf("[warn] unknown packet id %d (header %d data %d)\n", header.id, ok, header.ok);
}
return -1;
}
static WORLD_PKT_WRITER(sp_pkt_writer) {
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return world_read(pkt->data, pkt->datalen, 0);
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}
static WORLD_PKT_WRITER(mp_pkt_writer) {
if (pkt->is_reliable) {
return network_msg_send(pkt->data, pkt->datalen);
}
else {
return network_msg_send_unreliable(pkt->data, pkt->datalen);
}
}
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void world_viewers_init(uint32_t num_viewers) {
zpl_buffer_init(world_viewers, zpl_heap(), num_viewers);
for (uint32_t i = 0; i < num_viewers; i++) {
world_viewers[i] = world_view_create();
}
}
void world_viewers_destroy() {
for (uint32_t i = 0; i < zpl_buffer_count(world_viewers); i++) {
world_view_destroy(&world_viewers[i]);
}
zpl_buffer_free(world_viewers);
}
world_view *game_world_view_get(uint16_t idx) {
return &world_viewers[idx];
}
world_view *game_world_view_get_active(void) {
return active_viewer;
}
void flecs_dash_init() {
ECS_IMPORT(world_ecs(), FlecsDash);
ECS_IMPORT(world_ecs(), FlecsSystemsCivetweb);
ecs_set(world_ecs(), 0, EcsDashServer, {.port = 27001});
ecs_set_target_fps(world_ecs(), 60);
}
void game_init(int8_t play_mode, uint32_t num_viewers, int32_t seed, uint16_t block_size, uint16_t chunk_size, uint16_t world_size) {
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is_viewer_only = play_mode;
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platform_init();
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world_viewers_init(num_viewers);
active_viewer = &world_viewers[0];
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camera_reset();
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if (is_viewer_only) {
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world_setup_pkt_handlers(pkt_reader, mp_pkt_writer);
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network_init();
network_client_connect("127.0.0.1", 27000);
} else {
stdcpp_set_os_api();
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world_setup_pkt_handlers(pkt_reader, sp_pkt_writer);
world_init(seed, block_size, chunk_size, world_size);
flecs_dash_init();
}
for (uint32_t i = 0; i < num_viewers; i++) {
pkt_00_init_send(i);
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}
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}
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int8_t game_is_networked() {
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return is_viewer_only;
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}
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void game_shutdown() {
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world_viewers_destroy();
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if (is_viewer_only) {
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network_client_disconnect();
network_destroy();
} else {
world_destroy();
}
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}
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uint8_t game_is_running() {
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return platform_is_running();
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}
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void game_input() {
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}
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void game_update() {
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if (is_viewer_only) network_client_tick();
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else world_update();
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}
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void game_render() {
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platform_render();
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}