mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-18 09:56:50 +01:00
105 lines
4.0 KiB
C++
105 lines
4.0 KiB
C++
#ifndef INTERPOLATOR_H
|
|
#define INTERPOLATOR_H
|
|
|
|
/*************************************************************************/
|
|
/* interpolator.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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 */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
/**
|
|
@author AndreaCatania
|
|
*/
|
|
|
|
#include "core/class_db.h"
|
|
#include "core/vector.h"
|
|
|
|
class Interpolator : public Object {
|
|
GDCLASS(Interpolator, Object);
|
|
|
|
public:
|
|
enum Fallback {
|
|
FALLBACK_INTERPOLATE,
|
|
FALLBACK_DEFAULT,
|
|
FALLBACK_OLD_OR_NEAREST,
|
|
FALLBACK_NEW_OR_NEAREST,
|
|
FALLBACK_CUSTOM_INTERPOLATOR
|
|
};
|
|
|
|
private:
|
|
struct VariableInfo {
|
|
// TODO Do we need a name?
|
|
Variant default_value;
|
|
Fallback fallback;
|
|
ObjectID custom_interpolator_object;
|
|
StringName custom_interpolator_function;
|
|
};
|
|
|
|
LocalVector<VariableInfo> variables;
|
|
|
|
/// Epoch ids, sorted from youngest to oldest.
|
|
LocalVector<uint32_t> epochs;
|
|
/// Epoch data.
|
|
LocalVector<Vector<Variant>> buffer;
|
|
|
|
bool init_phase = true;
|
|
uint32_t write_position = UINT32_MAX;
|
|
uint32_t last_pop_epoch = 0;
|
|
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
Interpolator() = default;
|
|
|
|
void clear();
|
|
void reset();
|
|
|
|
int register_variable(const Variant &p_default, Fallback p_fallback);
|
|
void set_variable_default(int p_var_id, const Variant &p_default);
|
|
void set_variable_custom_interpolator(int p_var_id, Object *p_object, const StringName &p_function_name);
|
|
void terminate_init();
|
|
|
|
/// Returns the epochs stored.
|
|
uint32_t known_epochs_count() const;
|
|
void begin_write(uint32_t p_epoch);
|
|
void epoch_insert(int p_var_id, const Variant &p_value);
|
|
void end_write();
|
|
|
|
Vector<Variant> pop_epoch(uint32_t p_epoch, real_t p_fraction);
|
|
uint32_t get_last_pop_epoch() const; // TODO do I need this? Remove if not.
|
|
uint32_t get_youngest_epoch() const;
|
|
uint32_t get_oldest_epoch() const;
|
|
|
|
/// Returns the epochs count between the two last received time window.
|
|
uint32_t epochs_between_last_time_window() const;
|
|
|
|
static Variant interpolate(const Variant &p_v1, const Variant &p_v2, real_t p_delta);
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(Interpolator::Fallback);
|
|
#endif
|