godot/modules/webxr/webxr_interface_js.h
2022-12-01 21:46:30 -06:00

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/*************************************************************************/
/* webxr_interface_js.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 */
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/*************************************************************************/
#ifndef WEBXR_INTERFACE_JS_H
#define WEBXR_INTERFACE_JS_H
#ifdef WEB_ENABLED
#include "webxr_interface.h"
/**
The WebXR interface is a VR/AR interface that can be used on the web.
*/
namespace GLES3 {
class TextureStorage;
}
class WebXRInterfaceJS : public WebXRInterface {
GDCLASS(WebXRInterfaceJS, WebXRInterface);
private:
bool initialized;
Ref<XRPositionalTracker> head_tracker;
Transform3D head_transform;
String session_mode;
String required_features;
String optional_features;
String requested_reference_space_types;
String reference_space_type;
Size2 render_targetsize;
RBMap<unsigned int, RID> texture_cache;
struct Touch {
bool is_touching = false;
Vector2 position;
} touches[5];
static constexpr uint8_t input_source_count = 16;
struct InputSource {
Ref<XRPositionalTracker> tracker;
bool active = false;
TargetRayMode target_ray_mode;
int touch_index = -1;
} input_sources[input_source_count];
RID color_texture;
RID depth_texture;
RID _get_color_texture();
RID _get_depth_texture();
RID _get_texture(unsigned int p_texture_id);
Transform3D _js_matrix_to_transform(float *p_js_matrix);
void _update_input_source(int p_input_source_id);
Vector2 _get_screen_position_from_joy_vector(const Vector2 &p_joy_vector);
public:
virtual void is_session_supported(const String &p_session_mode) override;
virtual void set_session_mode(String p_session_mode) override;
virtual String get_session_mode() const override;
virtual void set_required_features(String p_required_features) override;
virtual String get_required_features() const override;
virtual void set_optional_features(String p_optional_features) override;
virtual String get_optional_features() const override;
virtual void set_requested_reference_space_types(String p_requested_reference_space_types) override;
virtual String get_requested_reference_space_types() const override;
void _set_reference_space_type(String p_reference_space_type);
virtual String get_reference_space_type() const override;
virtual bool is_input_source_active(int p_input_source_id) const override;
virtual Ref<XRPositionalTracker> get_input_source_tracker(int p_input_source_id) const override;
virtual TargetRayMode get_input_source_target_ray_mode(int p_input_source_id) const override;
virtual String get_visibility_state() const override;
virtual PackedVector3Array get_play_area() const override;
virtual StringName get_name() const override;
virtual uint32_t get_capabilities() const override;
virtual bool is_initialized() const override;
virtual bool initialize() override;
virtual void uninitialize() override;
virtual Size2 get_render_target_size() override;
virtual uint32_t get_view_count() override;
virtual Transform3D get_camera_transform() override;
virtual Transform3D get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) override;
virtual Projection get_projection_for_view(uint32_t p_view, double p_aspect, double p_z_near, double p_z_far) override;
virtual bool pre_draw_viewport(RID p_render_target) override;
virtual Vector<BlitToScreen> post_draw_viewport(RID p_render_target, const Rect2 &p_screen_rect) override;
virtual RID get_color_texture() override;
virtual RID get_depth_texture() override;
virtual RID get_velocity_texture() override;
virtual void process() override;
void _on_input_event(int p_event_type, int p_input_source_id);
WebXRInterfaceJS();
~WebXRInterfaceJS();
private:
StringName tracker_names[16] = {
StringName("left_hand"),
StringName("right_hand"),
StringName("tracker_2"),
StringName("tracker_3"),
StringName("tracker_4"),
StringName("tracker_5"),
StringName("tracker_6"),
StringName("tracker_7"),
StringName("tracker_8"),
StringName("tracker_9"),
StringName("tracker_10"),
StringName("tracker_11"),
StringName("tracker_12"),
StringName("tracker_13"),
StringName("tracker_14"),
StringName("tracker_15"),
};
StringName touch_names[5] = {
StringName("touch_0"),
StringName("touch_1"),
StringName("touch_2"),
StringName("touch_3"),
StringName("touch_4"),
};
StringName standard_axis_names[10] = {
StringName("touchpad_x"),
StringName("touchpad_y"),
StringName("thumbstick_x"),
StringName("thumbstick_y"),
StringName("axis_4"),
StringName("axis_5"),
StringName("axis_6"),
StringName("axis_7"),
StringName("axis_8"),
StringName("axis_9"),
};
StringName standard_vector_names[2] = {
StringName("touchpad"),
StringName("thumbstick"),
};
StringName standard_button_names[10] = {
StringName("trigger_click"),
StringName("grip_click"),
StringName("touchpad_click"),
StringName("thumbstick_click"),
StringName("ax_button"),
StringName("by_button"),
StringName("button_6"),
StringName("button_7"),
StringName("button_8"),
StringName("button_9"),
};
StringName standard_button_pressure_names[10] = {
StringName("trigger"),
StringName("grip"),
StringName("touchpad_click_pressure"),
StringName("thumbstick_click_pressure"),
StringName("ax_button_pressure"),
StringName("by_button_pressure"),
StringName("button_pressure_6"),
StringName("button_pressure_7"),
StringName("button_pressure_8"),
StringName("button_pressure_9"),
};
StringName unknown_button_names[10] = {
StringName("button_0"),
StringName("button_1"),
StringName("button_2"),
StringName("button_3"),
StringName("button_4"),
StringName("button_5"),
StringName("button_6"),
StringName("button_7"),
StringName("button_8"),
StringName("button_9"),
};
StringName unknown_axis_names[10] = {
StringName("axis_0"),
StringName("axis_1"),
StringName("axis_2"),
StringName("axis_3"),
StringName("axis_4"),
StringName("axis_5"),
StringName("axis_6"),
StringName("axis_7"),
StringName("axis_8"),
StringName("axis_9"),
};
StringName unknown_button_pressure_names[10] = {
StringName("button_pressure_0"),
StringName("button_pressure_1"),
StringName("button_pressure_2"),
StringName("button_pressure_3"),
StringName("button_pressure_4"),
StringName("button_pressure_5"),
StringName("button_pressure_6"),
StringName("button_pressure_7"),
StringName("button_pressure_8"),
StringName("button_pressure_9"),
};
};
#endif // WEB_ENABLED
#endif // WEBXR_INTERFACE_JS_H