diff options
Diffstat (limited to 'servers/xr/xr_interface.cpp')
-rw-r--r-- | servers/xr/xr_interface.cpp | 156 |
1 files changed, 145 insertions, 11 deletions
diff --git a/servers/xr/xr_interface.cpp b/servers/xr/xr_interface.cpp index fc1d82a964..4b9ea40223 100644 --- a/servers/xr/xr_interface.cpp +++ b/servers/xr/xr_interface.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* 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 */ @@ -32,6 +32,8 @@ #include "servers/rendering/renderer_compositor.h" void XRInterface::_bind_methods() { + ADD_SIGNAL(MethodInfo("play_area_changed", PropertyInfo(Variant::INT, "mode"))); + ClassDB::bind_method(D_METHOD("get_name"), &XRInterface::get_name); ClassDB::bind_method(D_METHOD("get_capabilities"), &XRInterface::get_capabilities); @@ -47,12 +49,21 @@ void XRInterface::_bind_methods() { ClassDB::bind_method(D_METHOD("get_render_target_size"), &XRInterface::get_render_target_size); ClassDB::bind_method(D_METHOD("get_view_count"), &XRInterface::get_view_count); + ClassDB::bind_method(D_METHOD("trigger_haptic_pulse", "action_name", "tracker_name", "frequency", "amplitude", "duration_sec", "delay_sec"), &XRInterface::trigger_haptic_pulse); + ADD_GROUP("Interface", "interface_"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "interface_is_primary"), "set_primary", "is_primary"); - // we don't have any properties specific to VR yet.... + // methods and properties specific to VR... + ClassDB::bind_method(D_METHOD("supports_play_area_mode", "mode"), &XRInterface::supports_play_area_mode); + ClassDB::bind_method(D_METHOD("get_play_area_mode"), &XRInterface::get_play_area_mode); + ClassDB::bind_method(D_METHOD("set_play_area_mode", "mode"), &XRInterface::set_play_area_mode); + ClassDB::bind_method(D_METHOD("get_play_area"), &XRInterface::get_play_area); + + ADD_GROUP("XR", "xr_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "xr_play_area_mode", PROPERTY_HINT_ENUM, "Unknown,3DOF,Sitting,Roomscale,Stage"), "set_play_area_mode", "get_play_area_mode"); - // but we do have properties specific to AR.... + // methods and properties specific to AR.... ClassDB::bind_method(D_METHOD("get_anchor_detection_is_enabled"), &XRInterface::get_anchor_detection_is_enabled); ClassDB::bind_method(D_METHOD("set_anchor_detection_is_enabled", "enable"), &XRInterface::set_anchor_detection_is_enabled); ClassDB::bind_method(D_METHOD("get_camera_feed_id"), &XRInterface::get_camera_feed_id); @@ -63,19 +74,23 @@ void XRInterface::_bind_methods() { BIND_ENUM_CONSTANT(XR_NONE); BIND_ENUM_CONSTANT(XR_MONO); BIND_ENUM_CONSTANT(XR_STEREO); + BIND_ENUM_CONSTANT(XR_QUAD); + BIND_ENUM_CONSTANT(XR_VR); BIND_ENUM_CONSTANT(XR_AR); BIND_ENUM_CONSTANT(XR_EXTERNAL); - BIND_ENUM_CONSTANT(EYE_MONO); - BIND_ENUM_CONSTANT(EYE_LEFT); - BIND_ENUM_CONSTANT(EYE_RIGHT); - BIND_ENUM_CONSTANT(XR_NORMAL_TRACKING); BIND_ENUM_CONSTANT(XR_EXCESSIVE_MOTION); BIND_ENUM_CONSTANT(XR_INSUFFICIENT_FEATURES); BIND_ENUM_CONSTANT(XR_UNKNOWN_TRACKING); BIND_ENUM_CONSTANT(XR_NOT_TRACKING); -} + + BIND_ENUM_CONSTANT(XR_PLAY_AREA_UNKNOWN); + BIND_ENUM_CONSTANT(XR_PLAY_AREA_3DOF); + BIND_ENUM_CONSTANT(XR_PLAY_AREA_SITTING); + BIND_ENUM_CONSTANT(XR_PLAY_AREA_ROOMSCALE); + BIND_ENUM_CONSTANT(XR_PLAY_AREA_STAGE); +}; bool XRInterface::is_primary() { XRServer *xr_server = XRServer::get_singleton(); @@ -99,7 +114,35 @@ void XRInterface::set_primary(bool p_primary) { XRInterface::XRInterface() {} -XRInterface::~XRInterface() {} +XRInterface::~XRInterface() { + if (vrs.vrs_texture.is_valid()) { + RS::get_singleton()->free(vrs.vrs_texture); + vrs.vrs_texture = RID(); + } +} + +// query if this interface supports this play area mode +bool XRInterface::supports_play_area_mode(XRInterface::PlayAreaMode p_mode) { + return p_mode == XR_PLAY_AREA_UNKNOWN; +} + +// get the current play area mode +XRInterface::PlayAreaMode XRInterface::get_play_area_mode() const { + return XR_PLAY_AREA_UNKNOWN; +} + +// change the play area mode, note that this should return false if the mode is not available +bool XRInterface::set_play_area_mode(XRInterface::PlayAreaMode p_mode) { + return p_mode == XR_PLAY_AREA_UNKNOWN; +} + +// if available, returns an array of vectors denoting the play area the player can move around in +PackedVector3Array XRInterface::get_play_area() const { + // Return an empty array by default. + // Note implementation is responsible for applying our reference frame and world scale to the raw data. + // `play_area_changed` should be emitted if play area data is available and either the reference frame or world scale changes. + return PackedVector3Array(); +}; /** these will only be implemented on AR interfaces, so we want dummies for VR **/ bool XRInterface::get_anchor_detection_is_enabled() const { @@ -113,10 +156,101 @@ int XRInterface::get_camera_feed_id() { return 0; } +RID XRInterface::get_vrs_texture() { + // Default logic will return a standard VRS image based on our target size and default projections. + // Note that this only gets called if VRS is supported on the hardware. + + Size2 texel_size = Size2(16.0, 16.0); // For now we assume we always use 16x16 texels, seems to be the standard. + int view_count = get_view_count(); + Size2 target_size = get_render_target_size(); + real_t aspect = target_size.x / target_size.y; // is this y/x ? + Size2 vrs_size = Size2(round(0.5 + target_size.x / texel_size.x), round(0.5 + target_size.y / texel_size.y)); + real_t radius = vrs_size.length() * 0.5; + Size2 vrs_sizei = vrs_size; + + if (vrs.size != vrs_sizei) { + const uint8_t densities[] = { + 0, // 1x1 + 1, // 1x2 + // 4, // 2x1 + 5, // 2x2 + 6, // 2x4 + // 9, // 4x2 + 10, // 4x4 + }; + + // out with the old + if (vrs.vrs_texture.is_valid()) { + RS::get_singleton()->free(vrs.vrs_texture); + vrs.vrs_texture = RID(); + } + + // in with the new + Vector<Ref<Image>> images; + vrs.size = vrs_sizei; + + for (int i = 0; i < view_count && i < 2; i++) { + PackedByteArray data; + data.resize(vrs_sizei.x * vrs_sizei.y); + uint8_t *data_ptr = data.ptrw(); + + // Our near and far don't matter much for what we're doing here, but there are some interfaces that will remember this as the near and far and may fail as a result... + Projection cm = get_projection_for_view(i, aspect, 0.1, 1000.0); + Vector3 center = cm.xform(Vector3(0.0, 0.0, 999.0)); + + Vector2i view_center; + view_center.x = int(vrs_size.x * (center.x + 1.0) * 0.5); + view_center.y = int(vrs_size.y * (center.y + 1.0) * 0.5); + + int d = 0; + for (int y = 0; y < vrs_sizei.y; y++) { + for (int x = 0; x < vrs_sizei.x; x++) { + Vector2 offset = Vector2(x - view_center.x, y - view_center.y); + offset.y *= aspect; + real_t distance = offset.length(); + int idx = round(5.0 * distance / radius); + if (idx > 4) { + idx = 4; + } + uint8_t density = densities[idx]; + + data_ptr[d++] = density; + } + } + + Ref<Image> image; + image.instantiate(); + image->create_from_data(vrs_sizei.x, vrs_sizei.y, false, Image::FORMAT_R8, data); + + images.push_back(image); + } + + if (images.size() == 1) { + vrs.vrs_texture = RS::get_singleton()->texture_2d_create(images[0]); + } else { + vrs.vrs_texture = RS::get_singleton()->texture_2d_layered_create(images, RS::TEXTURE_LAYERED_2D_ARRAY); + } + } + + return vrs.vrs_texture; +} + /** these are optional, so we want dummies **/ +PackedStringArray XRInterface::get_suggested_tracker_names() const { + PackedStringArray arr; + + return arr; +} + +PackedStringArray XRInterface::get_suggested_pose_names(const StringName &p_tracker_name) const { + PackedStringArray arr; + + return arr; +} + XRInterface::TrackingStatus XRInterface::get_tracking_status() const { return XR_UNKNOWN_TRACKING; } -void XRInterface::notification(int p_what) { +void XRInterface::trigger_haptic_pulse(const String &p_action_name, const StringName &p_tracker_name, double p_frequency, double p_amplitude, double p_duration_sec, double p_delay_sec) { } |