105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
#include "./pool.h"
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#include <stddef.h>
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#include <msgpack.h>
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#include "util/memory/memory.h"
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#include "core/locommon/counter.h"
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#include "core/locommon/ticker.h"
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#include "core/loentity/store.h"
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#include "core/loresource/set.h"
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#include "core/loshader/bullet.h"
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#include "./base.h"
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struct lobullet_pool_t {
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loresource_set_t* res;
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loshader_bullet_drawer_t* drawer;
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locommon_counter_t* idgen;
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const locommon_ticker_t* ticker;
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loentity_store_t* entities;
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size_t length;
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lobullet_base_t items[1];
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};
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static size_t lobullet_pool_find_unused_item_index_(
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const lobullet_pool_t* pool) {
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assert(pool != NULL);
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for (size_t i = 0; i < pool->length; ++i) {
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if (!pool->items[i].used) return i;
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}
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fprintf(stderr, "bullet pool overflow\n");
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abort();
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}
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lobullet_pool_t* lobullet_pool_new(
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loresource_set_t* res,
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loshader_bullet_drawer_t* drawer,
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locommon_counter_t* idgen,
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const locommon_ticker_t* ticker,
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loentity_store_t* entities,
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size_t length) {
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assert(res != NULL);
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assert(drawer != NULL);
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assert(idgen != NULL);
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assert(ticker != NULL);
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assert(entities != NULL);
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assert(length > 0);
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lobullet_pool_t* pool =
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memory_new(sizeof(*pool) + (length-1)*sizeof(pool->items[0]));
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*pool = (typeof(*pool)) {
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.res = res,
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.drawer = drawer,
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.idgen = idgen,
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.ticker = ticker,
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.entities = entities,
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.length = length,
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};
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for (size_t i = 0; i < pool->length; ++i) {
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lobullet_base_initialize(
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&pool->items[i],
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res,
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drawer,
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ticker,
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entities);
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}
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return pool;
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}
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void lobullet_pool_delete(lobullet_pool_t* pool) {
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if (pool == NULL) return;
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for (size_t i = 0; i < pool->length; ++i) {
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lobullet_base_deinitialize(&pool->items[i]);
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}
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memory_delete(pool);
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}
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lobullet_base_t* lobullet_pool_create(lobullet_pool_t* pool) {
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assert(pool != NULL);
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const size_t i = lobullet_pool_find_unused_item_index_(pool);
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pool->items[i].used = true;
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lobullet_base_reinitialize(
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&pool->items[i], locommon_counter_count(pool->idgen));
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return &pool->items[i];
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}
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lobullet_base_t* lobullet_pool_unpack_item(
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lobullet_pool_t* pool, const msgpack_object* obj) {
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assert(pool != NULL);
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const size_t i = lobullet_pool_find_unused_item_index_(pool);
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if (!lobullet_base_unpack(&pool->items[i], obj)) return NULL;
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pool->items[i].used = true;
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return &pool->items[i];
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}
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