eco2d/code/game/src/world_view.c

98 lines
3.6 KiB
C

#include "zpl.h"
#include "world_view.h"
#include "entity_view.h"
#include "prediction.h"
#include "librg.h"
#include "world/world.h"
#include "game.h"
int32_t tracker_read_remove(librg_world *w, librg_event *e) {
int64_t entity_id = librg_event_entity_get(w, e);
world_view *view = (world_view*)librg_world_userdata_get(w);
if (view != game_world_view_get_active()) {
entity_view_destroy(&view->entities, entity_id);
} else {
entity_view_mark_for_removal(&view->entities, entity_id);
}
return 0;
}
int32_t tracker_read_update(librg_world *w, librg_event *e) {
int64_t entity_id = librg_event_entity_get(w, e);
size_t actual_length = librg_event_size_get(w, e);
char *buffer = librg_event_buffer_get(w, e);
world_view *view = (world_view*)librg_world_userdata_get(w);
entity_view data = entity_view_unpack_struct(buffer, actual_length);
entity_view *d = entity_view_get(&view->entities, entity_id);
#if 1
if (d && d->layer_id < view->active_layer_id) {
if (zpl_time_rel_ms() - d->last_update > WORLD_TRACKER_UPDATE_NORMAL_MS) {
d->layer_id = zpl_min(WORLD_TRACKER_LAYERS-1, d->layer_id+1);
}
// NOTE(zaklaus): reject updates from slower layers
else return 0;
}
#endif
data.last_update = zpl_time_rel_ms();
data.layer_id = view->active_layer_id;
predict_receive_update(d, &data);
entity_view_update_or_create(&view->entities, entity_id, data);
entity_view_remove_chunk_texture(&view->entities, entity_id);
entity_view_update_chunk_texture(&view->entities, entity_id, view);
return 0;
}
int32_t tracker_read_create(librg_world *w, librg_event *e) {
int64_t entity_id = librg_event_entity_get(w, e);
size_t actual_length = librg_event_size_get(w, e);
char *buffer = librg_event_buffer_get(w, e);
world_view *view = (world_view*)librg_world_userdata_get(w);
entity_view data = entity_view_unpack_struct(buffer, actual_length);
data.ent_id = entity_id;
data.layer_id = view->active_layer_id;
data.tran_time = 0.0f;
data.color = rand(); // TODO(zaklaus): feed from server
if (data.flag & EFLAG_INTERP) {
data.tx = data.x;
data.ty = data.y;
}
entity_view_update_or_create(&view->entities, entity_id, data);
entity_view_mark_for_fadein(&view->entities, entity_id);
entity_view_update_chunk_texture(&view->entities, entity_id, view);
return 0;
}
world_view world_view_create(uint16_t view_id) {
world_view view = {0};
view.view_id = view_id;
view.tracker = librg_world_create();
entity_view_init(&view.entities);
return view;
}
void world_view_init(world_view *view, uint64_t ent_id, uint16_t chunk_size, uint16_t chunk_amount) {
view->owner_id = ent_id;
view->chunk_size = chunk_size;
view->chunk_amount = chunk_amount;
view->dim = WORLD_BLOCK_SIZE * chunk_size * chunk_amount;
view->size = view->dim * view->dim;
librg_config_chunksize_set(view->tracker, WORLD_BLOCK_SIZE * chunk_size, WORLD_BLOCK_SIZE * chunk_size, 1);
librg_config_chunkamount_set(view->tracker, chunk_amount, chunk_amount, 1);
librg_config_chunkoffset_set(view->tracker, LIBRG_OFFSET_BEG, LIBRG_OFFSET_BEG, 0);
librg_event_set(view->tracker, LIBRG_READ_CREATE, tracker_read_create);
librg_event_set(view->tracker, LIBRG_READ_REMOVE, tracker_read_remove);
librg_event_set(view->tracker, LIBRG_READ_UPDATE, tracker_read_update);
librg_world_userdata_set(view->tracker, view);
}
void world_view_destroy(world_view *view) {
librg_world_destroy(view->tracker);
entity_view_free(&view->entities);
}