/**************************************************************************/
/*  mesh_storage.cpp                                                      */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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/**************************************************************************/

#include "mesh_storage.h"

using namespace RendererDummy;

MeshStorage *MeshStorage::singleton = nullptr;

MeshStorage::MeshStorage() {
	singleton = this;
}

MeshStorage::~MeshStorage() {
	singleton = nullptr;
}

RID MeshStorage::mesh_allocate() {
	return mesh_owner.allocate_rid();
}

void MeshStorage::mesh_initialize(RID p_rid) {
	mesh_owner.initialize_rid(p_rid, DummyMesh());
}

void MeshStorage::mesh_free(RID p_rid) {
	DummyMesh *mesh = mesh_owner.get_or_null(p_rid);
	ERR_FAIL_NULL(mesh);
	mesh->dependency.deleted_notify(p_rid);
	mesh_owner.free(p_rid);
}

void MeshStorage::mesh_surface_remove(RID p_mesh, int p_surface) {
	DummyMesh *m = mesh_owner.get_or_null(p_mesh);
	ERR_FAIL_NULL(m);
	m->dependency.changed_notify(Dependency::DEPENDENCY_CHANGED_MESH);
	m->surfaces.remove_at(p_surface);
}

void MeshStorage::mesh_clear(RID p_mesh) {
	DummyMesh *m = mesh_owner.get_or_null(p_mesh);
	ERR_FAIL_NULL(m);

	m->surfaces.clear();
}

RID MeshStorage::_multimesh_allocate() {
	return multimesh_owner.allocate_rid();
}

void MeshStorage::_multimesh_initialize(RID p_rid) {
	multimesh_owner.initialize_rid(p_rid, DummyMultiMesh());
}

void MeshStorage::_multimesh_free(RID p_rid) {
	DummyMultiMesh *multimesh = multimesh_owner.get_or_null(p_rid);
	ERR_FAIL_NULL(multimesh);

	multimesh_owner.free(p_rid);
}

void MeshStorage::_multimesh_set_buffer(RID p_multimesh, const Vector<float> &p_buffer) {
	DummyMultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
	ERR_FAIL_NULL(multimesh);
	multimesh->buffer.resize(p_buffer.size());
	float *cache_data = multimesh->buffer.ptrw();
	memcpy(cache_data, p_buffer.ptr(), p_buffer.size() * sizeof(float));
}

Vector<float> MeshStorage::_multimesh_get_buffer(RID p_multimesh) const {
	DummyMultiMesh *multimesh = multimesh_owner.get_or_null(p_multimesh);
	ERR_FAIL_NULL_V(multimesh, Vector<float>());

	return multimesh->buffer;
}
