eco2d/code/common/world/world.c

180 lines
4.9 KiB
C

#include "zpl.h"
#include "librg.h"
#include "modules/general.h"
#include "world/world.h"
typedef struct {
uint8_t *data;
uint32_t seed;
uint32_t size;
uint32_t width;
uint32_t height;
uint16_t block_size;
uint16_t chunk_size;
uint16_t world_size;
ecs_world_t *ecs;
librg_world *tracker;
world_pkt_reader_proc *reader_proc;
world_pkt_writer_proc *writer_proc;
} world_data;
static world_data world = {0};
int32_t world_gen();
int32_t world_write_update(librg_world *w, librg_event *e) {
int64_t owner_id = librg_event_owner_get(w, e);
int64_t entity_id = librg_event_entity_get(w, e);
return 0;
// /* prevent sending updates to users who own that entity */
// /* since they will be responsible on telling where that entity is supposed to be */
// if (librg_entity_owner_get(w, entity_id) == owner_id) {
// return LIBRG_WRITE_REJECT;
// }
// /* read our current position */
// ENetPeer *peer = (ENetPeer *)librg_entity_userdata_get(w, entity_id);
// char *buffer = librg_event_buffer_get(w, e);
// size_t max_length = librg_event_size_get(w, e);
// /* check if we have enough space to write and valid position */
// if (sizeof(vec3) > max_length || !peer->data) {
// return LIBRG_WRITE_REJECT;
// }
// /* write data and return how much we've written */
// memcpy(buffer, peer->data, sizeof(vec3));
// return sizeof(vec3);
}
int32_t world_init_minimal(uint16_t block_size, uint16_t chunk_size, uint16_t world_size, world_pkt_reader_proc *reader_proc, world_pkt_writer_proc *writer_proc) {
world.chunk_size = chunk_size;
world.world_size = world_size;
if (reader_proc) world.reader_proc = reader_proc;
if (writer_proc) world.writer_proc = writer_proc;
world.width = chunk_size * world_size;
world.height = chunk_size * world_size;
world.block_size = block_size;
world.size = world.width * world.height;
if (world.tracker != NULL) {
librg_world_destroy(world.tracker);
world.tracker = NULL;
}
world.tracker = librg_world_create();
if (world.tracker == NULL) {
zpl_printf("[ERROR] An error occurred while trying to create a server world.\n");
return WORLD_ERROR_TRACKER_FAILED;
}
/* config our world grid */
librg_config_chunksize_set(world.tracker, block_size * chunk_size, block_size * chunk_size, 1);
librg_config_chunkamount_set(world.tracker, world_size, world_size, 1);
librg_config_chunkoffset_set(world.tracker, LIBRG_OFFSET_MID, LIBRG_OFFSET_MID, LIBRG_OFFSET_MID);
return 0;
}
int32_t world_init(int32_t seed, uint16_t block_size, uint16_t chunk_size, uint16_t world_size, world_pkt_reader_proc *reader_proc, world_pkt_writer_proc *writer_proc) {
if (world.data) {
return 0;
}
world.seed = seed;
world_init_minimal(block_size, chunk_size, world_size, reader_proc, writer_proc);
world.data = zpl_malloc(sizeof(uint8_t)*world.size);
if (!world.data) {
return WORLD_ERROR_OUTOFMEM;
}
world.ecs = ecs_init();
ecs_set_entity_range(world.ecs, 0, UINT32_MAX);
//ecs_set_threads(world.ecs, 4);
ECS_IMPORT(world.ecs, General);
for (int i = 0; i < chunk_size * chunk_size; ++i) {
ecs_entity_t e = ecs_new(world.ecs, 0);
ecs_set(world.ecs, e, Chunk, {
.x = i % chunk_size,
.y = i / chunk_size,
});
librg_entity_track(world.tracker, e);
librg_entity_chunk_set(world.tracker, e, i);
}
// librg_event_set(world.tracker, LIBRG_WRITE_UPDATE, world_write_update);
// librg_event_set(world.tracker, LIBRG_READ_UPDATE, server_read_update);
zpl_printf("[INFO] Created a new server world\n");
return world_gen();
}
int32_t world_destroy(void) {
librg_world_destroy(world.tracker);
ecs_fini(world.ecs);
zpl_mfree(world.data);
zpl_memset(&world, 0, sizeof(world));
zpl_printf("[INFO] World was destroyed.\n");
return WORLD_ERROR_NONE;
}
int32_t world_update() {
ecs_progress(world.ecs, 0);
return 0;
}
int32_t world_read(void* data, uint32_t datalen, void *udata) {
if (world.reader_proc) {
return world.reader_proc(data, datalen, udata);
}
return -1;
}
int32_t world_write(pkt_header *pkt, void *udata) {
if (world.writer_proc) {
return world.writer_proc(pkt, udata);
}
return -1;
}
uint32_t world_buf(uint8_t const **ptr, uint32_t *width) {
ZPL_ASSERT_NOT_NULL(world.data);
ZPL_ASSERT_NOT_NULL(ptr);
*ptr = world.data;
if (width) *width = world.width;
return world.size;
}
ecs_world_t * world_ecs() {
return world.ecs;
}
librg_world * world_tracker() {
return world.tracker;
}
uint16_t world_block_size(void) {
return world.block_size;
}
uint16_t world_chunk_size(void) {
return world.chunk_size;
}
uint16_t world_world_size(void) {
return world.world_size;
}
#include "world_gen.c"