Implemented Asset foundation

Signed-off-by: Robear Selwans <robear.selwans@outlook.com>
2021-05-31 11:41:02 +02:00
parent 97fa6cd6f4
commit 5ccbacd25f
13 changed files with 237 additions and 5 deletions
--- a/src/mod.c
+++ b/src/mod.c
@@ -1,14 +1,138 @@
 #define EV_MODULE_DEFINE
 #include <evol/evolmod.h>
+#include <assetsys/assetsys.h>
+#include <evol/utils/aligned_alloc.h>

-EV_CONSTRUCTOR 
+#define IMPORT_MODULE evmod_ecs
+#include <evol/meta/module_import.h>
+
+#include "loaders/LoaderCommon.h"
+#include "loaders/TextLoader/TextLoader.h"
+
+#define AssetSysCheck(...) do { \
+  assetsys_error_t res = __VA_ARGS__; \
+  if(res != ASSETSYS_SUCCESS) { \
+    ev_log_error("`%s` failed. Error Message: %s", EV_STRINGIZE(__VA_ARGS__), assetsys_error_strings[res]); \
+  } \
+} while (0)
+
+struct {
+  assetsys_t *sys;
+
+  evolmodule_t ecs_mod;
+  ECSAssetWorldHandle world;
+  AssetComponentID assetcomponent_id;
+
+} AssetManagerData = {NULL};
+
+void
+onRemoveAssetComponent(
+    ECSQuery query)
 {
+  Asset *asset = ECS->getQueryColumn(query, sizeof(Asset), 1);
+  aligned_free(asset->data);
 }

-EV_DESTRUCTOR 
+EV_CONSTRUCTOR
 {
+  static_assert(sizeof(AssetEntityID) == sizeof(AssetHandle), "AssetEntityID not the same size of AssetHandle");
+
+  AssetManagerData.sys = assetsys_create( 0 );
+
+  AssetManagerData.ecs_mod = evol_loadmodule("ecs");
+  if(AssetManagerData.ecs_mod) {
+    imports(AssetManagerData.ecs_mod, (ECS, AssetECS));
+    if(AssetECS) {
+      AssetManagerData.world = AssetECS->newWorld();
+
+      AssetManagerData.assetcomponent_id = AssetECS->registerComponent("Asset", sizeof(Asset), EV_ALIGNOF(Asset));
+      AssetECS->setOnRemoveTrigger("AssetComponentOnRemove", "Asset", onRemoveAssetComponent);
+    }
+  }
+
+  return AssetManagerData.sys == NULL;
+}
+
+EV_DESTRUCTOR
+{
+  assetsys_destroy(AssetManagerData.sys);
+
+  if(AssetManagerData.world) {
+    AssetECS->destroyWorld(AssetManagerData.world);
+  }
+  if(AssetManagerData.ecs_mod) {
+    evol_unloadmodule(AssetManagerData.ecs_mod);
+  }
+  return 0;
+}
+
+AssetHandle
+ev_asset_load(
+    CONST_STR path)
+{
+  assetsys_file_t file;
+  AssetSysCheck(assetsys_file(AssetManagerData.sys, path, &file));
+  Asset a;
+  a.size = (I64)assetsys_file_size(AssetManagerData.sys, file);
+  a.data = aligned_malloc(a.size + 1, 16);
+  int loaded_size = 0;
+  AssetSysCheck(assetsys_file_load(AssetManagerData.sys, file, &loaded_size, a.data, a.size));
+  a.size = (I64) loaded_size;
+  ((char*)a.data)[a.size] = '\0';
+
+  a.ref_count = 1;
+
+  AssetEntityID entt = AssetECS->createEntity(AssetManagerData.world);
+  AssetECS->setComponent(AssetManagerData.world, entt, AssetManagerData.assetcomponent_id, &a);
+
+  return (AssetHandle)entt;
+}
+
+AssetHandle
+ev_asset_clonehandle(
+    AssetHandle handle)
+{
+  Asset *asset = AssetECS->getComponent(AssetManagerData.world, handle, AssetManagerData.assetcomponent_id);
+  asset->ref_count++;
+
+  return handle;
+}
+
+void
+ev_asset_free(
+    AssetHandle handle)
+{
+  Asset *asset = AssetECS->getComponent(AssetManagerData.world, handle, AssetManagerData.assetcomponent_id);
+  asset->ref_count--;
+  if(asset->ref_count == 0) {
+    AssetECS->destroyEntity(AssetManagerData.world, handle);
+  }
+}
+
+void
+ev_assetmanager_mount(
+  CONST_STR path,
+  CONST_STR as)
+{
+  AssetSysCheck(assetsys_mount(AssetManagerData.sys, path, as));
+}
+
+const Asset *
+ev_asset_getfromhandle(
+    AssetHandle handle)
+{
+  return AssetECS->getComponent(AssetManagerData.world, handle, AssetManagerData.assetcomponent_id);
 }

 EV_BINDINGS
 {
+  EV_NS_BIND_FN(AssetManager, mount, ev_assetmanager_mount);
+
+  EV_NS_BIND_FN(Asset, load, ev_asset_load);
+  EV_NS_BIND_FN(Asset, cloneHandle, ev_asset_clonehandle);
+  EV_NS_BIND_FN(Asset, free, ev_asset_free);
+
+  EV_NS_BIND_FN(TextLoader, loadAsset, ev_textloader_loadasset);
+
+  return 0;
 }