crown-engine/engine/resource/resource_registry.cpp

/*
 * Copyright (c) 2012-2015 Daniele Bartolini and individual contributors.
 * License: https://github.com/taylor001/crown/blob/master/LICENSE
 */

#include "resource_registry.h"
#include "lua_resource.h"
#include "texture_resource.h"
#include "mesh_resource.h"
#include "sound_resource.h"
#include "sprite_resource.h"
#include "package_resource.h"
#include "unit_resource.h"
#include "physics_resource.h"
#include "material_resource.h"
#include "font_resource.h"
#include "level_resource.h"
#include "shader.h"

namespace crown
{

namespace pcr = physics_config_resource;
namespace phr = physics_resource;
namespace pkr = package_resource;
namespace sdr = sound_resource;
namespace mhr = mesh_resource;
namespace utr = unit_resource;
namespace txr = texture_resource;
namespace mtr = material_resource;
namespace lur = lua_resource;
namespace ftr = font_resource;
namespace lvr = level_resource;
namespace spr = sprite_resource;
namespace shr = shader_resource;
namespace sar = sprite_animation_resource;

typedef void  (*ResourceCompileCallback)(const char* path, CompileOptions& opts);
typedef void* (*ResourceLoadCallback)(File& file, Allocator& a);
typedef void  (*ResourceOnlineCallback)(StringId64 id, ResourceManager& rm);
typedef void  (*ResourceOfflineCallback)(StringId64 id, ResourceManager& rm);
typedef void  (*ResourceUnloadCallback)(Allocator& a, void* resource);

struct ResourceCallback
{
	StringId64 type;
	ResourceCompileCallback on_compile;
	ResourceLoadCallback on_load;
	ResourceUnloadCallback on_unload;
	ResourceOnlineCallback on_online;
	ResourceOfflineCallback on_offline;
};

#define NULL_RESOURCE_TYPE StringId64(uint64_t(0))

static const ResourceCallback RESOURCE_CALLBACK_REGISTRY[] =
{
	{ LUA_TYPE,              lur::compile, lur::load, lur::unload, lur::online, lur::offline },
	{ TEXTURE_TYPE,          txr::compile, txr::load, txr::unload, txr::online, txr::offline },
	{ MESH_TYPE,             mhr::compile, mhr::load, mhr::unload, mhr::online, mhr::offline },
	{ SOUND_TYPE,            sdr::compile, sdr::load, sdr::unload, sdr::online, sdr::offline },
	{ UNIT_TYPE,             utr::compile, utr::load, utr::unload, utr::online, utr::offline },
	{ SPRITE_TYPE,           spr::compile, spr::load, spr::unload, spr::online, spr::offline },
	{ PACKAGE_TYPE,          pkr::compile, pkr::load, pkr::unload, pkr::online, pkr::offline },
	{ PHYSICS_TYPE,          phr::compile, phr::load, phr::unload, phr::online, phr::offline },
	{ MATERIAL_TYPE,         mtr::compile, mtr::load, mtr::unload, mtr::online, mtr::offline },
	{ PHYSICS_CONFIG_TYPE,   pcr::compile, pcr::load, pcr::unload, pcr::online, pcr::offline },
	{ FONT_TYPE,             ftr::compile, ftr::load, ftr::unload, ftr::online, ftr::offline },
	{ LEVEL_TYPE,            lvr::compile, lvr::load, lvr::unload, lvr::online, lvr::offline },
	{ SHADER_TYPE,           shr::compile, shr::load, shr::unload, shr::online, shr::offline },
	{ SPRITE_ANIMATION_TYPE, sar::compile, sar::load, sar::unload, sar::online, sar::offline },
	{ NULL_RESOURCE_TYPE,    NULL,         NULL,      NULL,        NULL,        NULL         }
};

static const ResourceCallback* find_callback(StringId64 type)
{
	const ResourceCallback* c = RESOURCE_CALLBACK_REGISTRY;

	while (c->type != NULL_RESOURCE_TYPE && c->type != type)
	{
		c++;
	}

	CE_ASSERT(c->type != NULL_RESOURCE_TYPE, "Compiler not found");
	return c;
}

void resource_on_compile(StringId64 type, const char* path, CompileOptions& opts)
{
	return find_callback(type)->on_compile(path, opts);
}

void* resource_on_load(StringId64 type, File& file, Allocator& a)
{
	return find_callback(type)->on_load(file, a);
}

void resource_on_unload(StringId64 type, Allocator& allocator, void* resource)
{
	return find_callback(type)->on_unload(allocator, resource);
}

void resource_on_online(StringId64 type, StringId64 id, ResourceManager& rm)
{
	return find_callback(type)->on_online(id, rm);
}

void resource_on_offline(StringId64 type, StringId64 id, ResourceManager& rm)
{
	return find_callback(type)->on_offline(id, rm);
}

} // namespace crown