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virtualx-engine/scene/3d/camera.cpp
lawnjelly 3d981b8265 Add option to use handles to RID 
Adds an option to compile an alternative implementation for RIDs, which allows checks for erroneous usage patterns as well as providing leak tests.
2021-12-06 14:43:34 +00:00

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/*************************************************************************/
/* camera.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "camera.h"
#include "collision_object.h"
#include "core/engine.h"
#include "core/math/camera_matrix.h"
#include "scene/resources/material.h"
#include "scene/resources/surface_tool.h"
void Camera::_update_audio_listener_state() {
}
void Camera::_request_camera_update() {
_update_camera();
}
void Camera::_update_camera_mode() {
force_change = true;
switch (mode) {
case PROJECTION_PERSPECTIVE: {
set_perspective(fov, near, far);
} break;
case PROJECTION_ORTHOGONAL: {
set_orthogonal(size, near, far);
} break;
case PROJECTION_FRUSTUM: {
set_frustum(size, frustum_offset, near, far);
} break;
}
}
void Camera::_validate_property(PropertyInfo &p_property) const {
if (p_property.name == "fov") {
if (mode != PROJECTION_PERSPECTIVE) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
} else if (p_property.name == "size") {
if (mode != PROJECTION_ORTHOGONAL && mode != PROJECTION_FRUSTUM) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
} else if (p_property.name == "frustum_offset") {
if (mode != PROJECTION_FRUSTUM) {
p_property.usage = PROPERTY_USAGE_NOEDITOR;
}
}
}
void Camera::_update_camera() {
if (!is_inside_tree()) {
return;
}
VisualServer::get_singleton()->camera_set_transform(camera, get_camera_transform());
// here goes listener stuff
/*
if (viewport_ptr && is_inside_scene() && is_current())
get_viewport()->_camera_transform_changed_notify();
*/
if (get_tree()->is_node_being_edited(this) || !is_current()) {
return;
}
get_viewport()->_camera_transform_changed_notify();
if (get_world().is_valid()) {
get_world()->_update_camera(this);
}
}
void Camera::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_WORLD: {
// Needs to track the Viewport because it's needed on NOTIFICATION_EXIT_WORLD
// and Spatial will handle it first, including clearing its reference to the Viewport,
// therefore making it impossible to subclasses to access it
viewport = get_viewport();
ERR_FAIL_COND(!viewport);
bool first_camera = viewport->_camera_add(this);
if (current || first_camera) {
viewport->_camera_set(this);
}
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
_request_camera_update();
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->update_position(get_global_transform().origin);
}
} break;
case NOTIFICATION_EXIT_WORLD: {
if (!get_tree()->is_node_being_edited(this)) {
if (is_current()) {
clear_current();
current = true; //keep it true
} else {
current = false;
}
}
if (viewport) {
viewport->_camera_remove(this);
viewport = nullptr;
}
} break;
case NOTIFICATION_BECAME_CURRENT: {
if (viewport) {
viewport->find_world()->_register_camera(this);
}
} break;
case NOTIFICATION_LOST_CURRENT: {
if (viewport) {
viewport->find_world()->_remove_camera(this);
}
} break;
}
}
Transform Camera::get_camera_transform() const {
Transform tr = get_global_transform().orthonormalized();
tr.origin += tr.basis.get_axis(1) * v_offset;
tr.origin += tr.basis.get_axis(0) * h_offset;
return tr;
}
void Camera::set_perspective(float p_fovy_degrees, float p_z_near, float p_z_far) {
if (!force_change && fov == p_fovy_degrees && p_z_near == near && p_z_far == far && mode == PROJECTION_PERSPECTIVE) {
return;
}
fov = p_fovy_degrees;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_PERSPECTIVE;
VisualServer::get_singleton()->camera_set_perspective(camera, fov, near, far);
update_gizmo();
force_change = false;
}
void Camera::set_orthogonal(float p_size, float p_z_near, float p_z_far) {
if (!force_change && size == p_size && p_z_near == near && p_z_far == far && mode == PROJECTION_ORTHOGONAL) {
return;
}
size = p_size;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_ORTHOGONAL;
force_change = false;
VisualServer::get_singleton()->camera_set_orthogonal(camera, size, near, far);
update_gizmo();
}
void Camera::set_frustum(float p_size, Vector2 p_offset, float p_z_near, float p_z_far) {
if (!force_change && size == p_size && frustum_offset == p_offset && p_z_near == near && p_z_far == far && mode == PROJECTION_FRUSTUM) {
return;
}
size = p_size;
frustum_offset = p_offset;
near = p_z_near;
far = p_z_far;
mode = PROJECTION_FRUSTUM;
force_change = false;
VisualServer::get_singleton()->camera_set_frustum(camera, size, frustum_offset, near, far);
update_gizmo();
}
void Camera::set_projection(Camera::Projection p_mode) {
if (p_mode == PROJECTION_PERSPECTIVE || p_mode == PROJECTION_ORTHOGONAL || p_mode == PROJECTION_FRUSTUM) {
mode = p_mode;
_update_camera_mode();
_change_notify();
}
}
RID Camera::get_camera() const {
return camera;
};
void Camera::make_current() {
current = true;
if (!is_inside_tree()) {
return;
}
get_viewport()->_camera_set(this);
//get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,camera_group,"_camera_make_current",this);
}
void Camera::clear_current(bool p_enable_next) {
current = false;
if (!is_inside_tree()) {
return;
}
if (get_viewport()->get_camera() == this) {
get_viewport()->_camera_set(nullptr);
if (p_enable_next) {
get_viewport()->_camera_make_next_current(this);
}
}
}
void Camera::set_current(bool p_current) {
if (p_current) {
make_current();
} else {
clear_current();
}
}
bool Camera::is_current() const {
if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) {
return get_viewport()->get_camera() == this;
} else {
return current;
}
}
Vector3 Camera::project_ray_normal(const Point2 &p_pos) const {
Vector3 ray = project_local_ray_normal(p_pos);
return get_camera_transform().basis.xform(ray).normalized();
};
Vector3 Camera::project_local_ray_normal(const Point2 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_camera_rect_size();
Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
Vector3 ray;
if (mode == PROJECTION_ORTHOGONAL) {
ray = Vector3(0, 0, -1);
} else {
CameraMatrix cm;
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
Vector2 screen_he = cm.get_viewport_half_extents();
ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_he.x, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_he.y, -near).normalized();
}
return ray;
};
Vector3 Camera::project_ray_origin(const Point2 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_camera_rect_size();
Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
ERR_FAIL_COND_V(viewport_size.y == 0, Vector3());
if (mode == PROJECTION_PERSPECTIVE) {
return get_camera_transform().origin;
} else {
Vector2 pos = cpos / viewport_size;
float vsize, hsize;
if (keep_aspect == KEEP_WIDTH) {
vsize = size / viewport_size.aspect();
hsize = size;
} else {
hsize = size * viewport_size.aspect();
vsize = size;
}
Vector3 ray;
ray.x = pos.x * (hsize)-hsize / 2;
ray.y = (1.0 - pos.y) * (vsize)-vsize / 2;
ray.z = -near;
ray = get_camera_transform().xform(ray);
return ray;
};
};
bool Camera::is_position_behind(const Vector3 &p_pos) const {
Transform t = get_global_transform();
Vector3 eyedir = -t.basis.get_axis(2).normalized();
return eyedir.dot(p_pos - t.origin) < near;
}
Vector<Vector3> Camera::get_near_plane_points() const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector<Vector3>(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL) {
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
} else {
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
}
Vector3 endpoints[8];
cm.get_endpoints(Transform(), endpoints);
Vector<Vector3> points;
points.push_back(Vector3());
for (int i = 0; i < 4; i++) {
points.push_back(endpoints[i + 4]);
}
return points;
}
Point2 Camera::unproject_position(const Vector3 &p_pos) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector2(), "Camera is not inside scene.");
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL) {
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
} else {
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
}
Plane p(get_camera_transform().xform_inv(p_pos), 1.0);
p = cm.xform4(p);
p.normal /= p.d;
Point2 res;
res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
return res;
}
Vector3 Camera::project_position(const Point2 &p_point, float p_z_depth) const {
ERR_FAIL_COND_V_MSG(!is_inside_tree(), Vector3(), "Camera is not inside scene.");
if (p_z_depth == 0 && mode != PROJECTION_ORTHOGONAL) {
return get_global_transform().origin;
}
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_ORTHOGONAL) {
cm.set_orthogonal(size, viewport_size.aspect(), p_z_depth, far, keep_aspect == KEEP_WIDTH);
} else {
cm.set_perspective(fov, viewport_size.aspect(), p_z_depth, far, keep_aspect == KEEP_WIDTH);
}
Vector2 vp_he = cm.get_viewport_half_extents();
Vector2 point;
point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
point *= vp_he;
Vector3 p(point.x, point.y, -p_z_depth);
return get_camera_transform().xform(p);
}
/*
void Camera::_camera_make_current(Node *p_camera) {
if (p_camera==this) {
VisualServer::get_singleton()->viewport_attach_camera(viewport_id,camera);
active=true;
} else {
if (active && p_camera==NULL) {
//detech camera because no one else will claim it
VisualServer::get_singleton()->viewport_attach_camera(viewport_id,RID());
}
active=false;
}
}
*/
void Camera::set_environment(const Ref<Environment> &p_environment) {
environment = p_environment;
if (environment.is_valid()) {
VS::get_singleton()->camera_set_environment(camera, environment->get_rid());
} else {
VS::get_singleton()->camera_set_environment(camera, RID());
}
_update_camera_mode();
}
Ref<Environment> Camera::get_environment() const {
return environment;
}
void Camera::set_keep_aspect_mode(KeepAspect p_aspect) {
keep_aspect = p_aspect;
VisualServer::get_singleton()->camera_set_use_vertical_aspect(camera, p_aspect == KEEP_WIDTH);
_update_camera_mode();
_change_notify();
}
Camera::KeepAspect Camera::get_keep_aspect_mode() const {
return keep_aspect;
}
void Camera::set_doppler_tracking(DopplerTracking p_tracking) {
if (doppler_tracking == p_tracking) {
return;
}
doppler_tracking = p_tracking;
if (p_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->set_track_physics_step(doppler_tracking == DOPPLER_TRACKING_PHYSICS_STEP);
if (is_inside_tree()) {
velocity_tracker->reset(get_global_transform().origin);
}
}
_update_camera_mode();
}
Camera::DopplerTracking Camera::get_doppler_tracking() const {
return doppler_tracking;
}
void Camera::_bind_methods() {
ClassDB::bind_method(D_METHOD("project_ray_normal", "screen_point"), &Camera::project_ray_normal);
ClassDB::bind_method(D_METHOD("project_local_ray_normal", "screen_point"), &Camera::project_local_ray_normal);
ClassDB::bind_method(D_METHOD("project_ray_origin", "screen_point"), &Camera::project_ray_origin);
ClassDB::bind_method(D_METHOD("unproject_position", "world_point"), &Camera::unproject_position);
ClassDB::bind_method(D_METHOD("is_position_behind", "world_point"), &Camera::is_position_behind);
ClassDB::bind_method(D_METHOD("project_position", "screen_point", "z_depth"), &Camera::project_position);
ClassDB::bind_method(D_METHOD("set_perspective", "fov", "z_near", "z_far"), &Camera::set_perspective);
ClassDB::bind_method(D_METHOD("set_orthogonal", "size", "z_near", "z_far"), &Camera::set_orthogonal);
ClassDB::bind_method(D_METHOD("set_frustum", "size", "offset", "z_near", "z_far"), &Camera::set_frustum);
ClassDB::bind_method(D_METHOD("make_current"), &Camera::make_current);
ClassDB::bind_method(D_METHOD("clear_current", "enable_next"), &Camera::clear_current, DEFVAL(true));
ClassDB::bind_method(D_METHOD("set_current"), &Camera::set_current);
ClassDB::bind_method(D_METHOD("is_current"), &Camera::is_current);
ClassDB::bind_method(D_METHOD("get_camera_transform"), &Camera::get_camera_transform);
ClassDB::bind_method(D_METHOD("get_fov"), &Camera::get_fov);
ClassDB::bind_method(D_METHOD("get_frustum_offset"), &Camera::get_frustum_offset);
ClassDB::bind_method(D_METHOD("get_size"), &Camera::get_size);
ClassDB::bind_method(D_METHOD("get_zfar"), &Camera::get_zfar);
ClassDB::bind_method(D_METHOD("get_znear"), &Camera::get_znear);
ClassDB::bind_method(D_METHOD("set_fov"), &Camera::set_fov);
ClassDB::bind_method(D_METHOD("set_frustum_offset"), &Camera::set_frustum_offset);
ClassDB::bind_method(D_METHOD("set_size"), &Camera::set_size);
ClassDB::bind_method(D_METHOD("set_zfar"), &Camera::set_zfar);
ClassDB::bind_method(D_METHOD("set_znear"), &Camera::set_znear);
ClassDB::bind_method(D_METHOD("get_projection"), &Camera::get_projection);
ClassDB::bind_method(D_METHOD("set_projection"), &Camera::set_projection);
ClassDB::bind_method(D_METHOD("set_h_offset", "ofs"), &Camera::set_h_offset);
ClassDB::bind_method(D_METHOD("get_h_offset"), &Camera::get_h_offset);
ClassDB::bind_method(D_METHOD("set_v_offset", "ofs"), &Camera::set_v_offset);
ClassDB::bind_method(D_METHOD("get_v_offset"), &Camera::get_v_offset);
ClassDB::bind_method(D_METHOD("set_cull_mask", "mask"), &Camera::set_cull_mask);
ClassDB::bind_method(D_METHOD("get_cull_mask"), &Camera::get_cull_mask);
ClassDB::bind_method(D_METHOD("set_environment", "env"), &Camera::set_environment);
ClassDB::bind_method(D_METHOD("get_environment"), &Camera::get_environment);
ClassDB::bind_method(D_METHOD("set_keep_aspect_mode", "mode"), &Camera::set_keep_aspect_mode);
ClassDB::bind_method(D_METHOD("get_keep_aspect_mode"), &Camera::get_keep_aspect_mode);
ClassDB::bind_method(D_METHOD("set_doppler_tracking", "mode"), &Camera::set_doppler_tracking);
ClassDB::bind_method(D_METHOD("get_doppler_tracking"), &Camera::get_doppler_tracking);
ClassDB::bind_method(D_METHOD("get_frustum"), &Camera::get_frustum);
ClassDB::bind_method(D_METHOD("get_camera_rid"), &Camera::get_camera);
ClassDB::bind_method(D_METHOD("set_cull_mask_bit", "layer", "enable"), &Camera::set_cull_mask_bit);
ClassDB::bind_method(D_METHOD("get_cull_mask_bit", "layer"), &Camera::get_cull_mask_bit);
//ClassDB::bind_method(D_METHOD("_camera_make_current"),&Camera::_camera_make_current );
ADD_PROPERTY(PropertyInfo(Variant::INT, "keep_aspect", PROPERTY_HINT_ENUM, "Keep Width,Keep Height"), "set_keep_aspect_mode", "get_keep_aspect_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "cull_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_cull_mask", "get_cull_mask");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "environment", PROPERTY_HINT_RESOURCE_TYPE, "Environment"), "set_environment", "get_environment");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "h_offset"), "set_h_offset", "get_h_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "v_offset"), "set_v_offset", "get_v_offset");
ADD_PROPERTY(PropertyInfo(Variant::INT, "doppler_tracking", PROPERTY_HINT_ENUM, "Disabled,Idle,Physics"), "set_doppler_tracking", "get_doppler_tracking");
ADD_PROPERTY(PropertyInfo(Variant::INT, "projection", PROPERTY_HINT_ENUM, "Perspective,Orthogonal,Frustum"), "set_projection", "get_projection");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "current"), "set_current", "is_current");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "fov", PROPERTY_HINT_RANGE, "1,179,0.1"), "set_fov", "get_fov");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "size", PROPERTY_HINT_RANGE, "0.1,16384,0.01"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "frustum_offset"), "set_frustum_offset", "get_frustum_offset");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "near", PROPERTY_HINT_EXP_RANGE, "0.01,8192,0.01,or_greater"), "set_znear", "get_znear");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "far", PROPERTY_HINT_EXP_RANGE, "0.1,8192,0.1,or_greater"), "set_zfar", "get_zfar");
BIND_ENUM_CONSTANT(PROJECTION_PERSPECTIVE);
BIND_ENUM_CONSTANT(PROJECTION_ORTHOGONAL);
BIND_ENUM_CONSTANT(PROJECTION_FRUSTUM);
BIND_ENUM_CONSTANT(KEEP_WIDTH);
BIND_ENUM_CONSTANT(KEEP_HEIGHT);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_DISABLED);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_IDLE_STEP);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_PHYSICS_STEP);
}
float Camera::get_fov() const {
return fov;
}
float Camera::get_size() const {
return size;
}
float Camera::get_znear() const {
return near;
}
Vector2 Camera::get_frustum_offset() const {
return frustum_offset;
}
float Camera::get_zfar() const {
return far;
}
Camera::Projection Camera::get_projection() const {
return mode;
}
void Camera::set_fov(float p_fov) {
ERR_FAIL_COND(p_fov < 1 || p_fov > 179);
fov = p_fov;
_update_camera_mode();
_change_notify("fov");
}
void Camera::set_size(float p_size) {
ERR_FAIL_COND(p_size < 0.1 || p_size > 16384);
size = p_size;
_update_camera_mode();
_change_notify("size");
}
void Camera::set_znear(float p_znear) {
near = p_znear;
_update_camera_mode();
}
void Camera::set_frustum_offset(Vector2 p_offset) {
frustum_offset = p_offset;
_update_camera_mode();
}
void Camera::set_zfar(float p_zfar) {
far = p_zfar;
_update_camera_mode();
}
void Camera::set_cull_mask(uint32_t p_layers) {
layers = p_layers;
VisualServer::get_singleton()->camera_set_cull_mask(camera, layers);
_update_camera_mode();
}
uint32_t Camera::get_cull_mask() const {
return layers;
}
void Camera::set_cull_mask_bit(int p_layer, bool p_enable) {
ERR_FAIL_INDEX(p_layer, 32);
if (p_enable) {
set_cull_mask(layers | (1 << p_layer));
} else {
set_cull_mask(layers & (~(1 << p_layer)));
}
}
bool Camera::get_cull_mask_bit(int p_layer) const {
ERR_FAIL_INDEX_V(p_layer, 32, false);
return (layers & (1 << p_layer));
}
Vector<Plane> Camera::get_frustum() const {
ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_PERSPECTIVE) {
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
} else {
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
}
return cm.get_projection_planes(get_camera_transform());
}
void Camera::set_v_offset(float p_offset) {
v_offset = p_offset;
_update_camera();
}
float Camera::get_v_offset() const {
return v_offset;
}
void Camera::set_h_offset(float p_offset) {
h_offset = p_offset;
_update_camera();
}
float Camera::get_h_offset() const {
return h_offset;
}
Vector3 Camera::get_doppler_tracked_velocity() const {
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
return velocity_tracker->get_tracked_linear_velocity();
} else {
return Vector3();
}
}
Camera::Camera() {
camera = RID_PRIME(VisualServer::get_singleton()->camera_create());
size = 1;
fov = 0;
frustum_offset = Vector2();
near = 0;
far = 0;
current = false;
viewport = nullptr;
force_change = false;
mode = PROJECTION_PERSPECTIVE;
set_perspective(70.0, 0.05, 100.0);
keep_aspect = KEEP_HEIGHT;
layers = 0xfffff;
v_offset = 0;
h_offset = 0;
VisualServer::get_singleton()->camera_set_cull_mask(camera, layers);
//active=false;
velocity_tracker.instance();
doppler_tracking = DOPPLER_TRACKING_DISABLED;
set_notify_transform(true);
set_disable_scale(true);
}
Camera::~Camera() {
VisualServer::get_singleton()->free(camera);
}
////////////////////////////////////////
void ClippedCamera::set_margin(float p_margin) {
margin = p_margin;
}
float ClippedCamera::get_margin() const {
return margin;
}
void ClippedCamera::set_process_mode(ProcessMode p_mode) {
if (process_mode == p_mode) {
return;
}
process_mode = p_mode;
set_process_internal(process_mode == CLIP_PROCESS_IDLE);
set_physics_process_internal(process_mode == CLIP_PROCESS_PHYSICS);
}
ClippedCamera::ProcessMode ClippedCamera::get_process_mode() const {
return process_mode;
}
Transform ClippedCamera::get_camera_transform() const {
Transform t = Camera::get_camera_transform();
t.origin += -t.basis.get_axis(Vector3::AXIS_Z).normalized() * clip_offset;
return t;
}
void ClippedCamera::_notification(int p_what) {
if (p_what == NOTIFICATION_INTERNAL_PROCESS || p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
Spatial *parent = Object::cast_to<Spatial>(get_parent());
if (!parent) {
return;
}
PhysicsDirectSpaceState *dspace = get_world()->get_direct_space_state();
ERR_FAIL_COND(!dspace); // most likely physics set to threads
Vector3 cam_fw = -get_global_transform().basis.get_axis(Vector3::AXIS_Z).normalized();
Vector3 cam_pos = get_global_transform().origin;
Vector3 parent_pos = parent->get_global_transform().origin;
Plane parent_plane(parent_pos, cam_fw);
if (parent_plane.is_point_over(cam_pos)) {
//cam is beyond parent plane
return;
}
Vector3 ray_from = parent_plane.project(cam_pos);
clip_offset = 0; //reset by defau;t
{ //check if points changed
Vector<Vector3> local_points = get_near_plane_points();
bool all_equal = true;
for (int i = 0; i < 5; i++) {
if (points[i] != local_points[i]) {
all_equal = false;
break;
}
}
if (!all_equal) {
PhysicsServer::get_singleton()->shape_set_data(pyramid_shape, local_points);
points = local_points;
}
}
Transform xf = get_global_transform();
xf.origin = ray_from;
xf.orthonormalize();
float closest_safe = 1.0f, closest_unsafe = 1.0f;
if (dspace->cast_motion(pyramid_shape, xf, cam_pos - ray_from, margin, closest_safe, closest_unsafe, exclude, collision_mask, clip_to_bodies, clip_to_areas)) {
clip_offset = cam_pos.distance_to(ray_from + (cam_pos - ray_from) * closest_safe);
}
_update_camera();
}
if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
update_gizmo();
}
}
void ClippedCamera::set_collision_mask(uint32_t p_mask) {
collision_mask = p_mask;
}
uint32_t ClippedCamera::get_collision_mask() const {
return collision_mask;
}
void ClippedCamera::set_collision_mask_bit(int p_bit, bool p_value) {
ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision layer bit must be between 0 and 31 inclusive.");
uint32_t mask = get_collision_mask();
if (p_value) {
mask |= 1 << p_bit;
} else {
mask &= ~(1 << p_bit);
}
set_collision_mask(mask);
}
bool ClippedCamera::get_collision_mask_bit(int p_bit) const {
ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision mask bit must be between 0 and 31 inclusive.");
return get_collision_mask() & (1 << p_bit);
}
void ClippedCamera::add_exception_rid(const RID &p_rid) {
exclude.insert(p_rid);
}
void ClippedCamera::add_exception(const Object *p_object) {
ERR_FAIL_NULL(p_object);
const CollisionObject *co = Object::cast_to<CollisionObject>(p_object);
if (!co) {
return;
}
add_exception_rid(co->get_rid());
}
void ClippedCamera::remove_exception_rid(const RID &p_rid) {
exclude.erase(p_rid);
}
void ClippedCamera::remove_exception(const Object *p_object) {
ERR_FAIL_NULL(p_object);
const CollisionObject *co = Object::cast_to<CollisionObject>(p_object);
if (!co) {
return;
}
remove_exception_rid(co->get_rid());
}
void ClippedCamera::clear_exceptions() {
exclude.clear();
}
float ClippedCamera::get_clip_offset() const {
return clip_offset;
}
void ClippedCamera::set_clip_to_areas(bool p_clip) {
clip_to_areas = p_clip;
}
bool ClippedCamera::is_clip_to_areas_enabled() const {
return clip_to_areas;
}
void ClippedCamera::set_clip_to_bodies(bool p_clip) {
clip_to_bodies = p_clip;
}
bool ClippedCamera::is_clip_to_bodies_enabled() const {
return clip_to_bodies;
}
void ClippedCamera::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_margin", "margin"), &ClippedCamera::set_margin);
ClassDB::bind_method(D_METHOD("get_margin"), &ClippedCamera::get_margin);
ClassDB::bind_method(D_METHOD("set_process_mode", "process_mode"), &ClippedCamera::set_process_mode);
ClassDB::bind_method(D_METHOD("get_process_mode"), &ClippedCamera::get_process_mode);
ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &ClippedCamera::set_collision_mask);
ClassDB::bind_method(D_METHOD("get_collision_mask"), &ClippedCamera::get_collision_mask);
ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &ClippedCamera::set_collision_mask_bit);
ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &ClippedCamera::get_collision_mask_bit);
ClassDB::bind_method(D_METHOD("add_exception_rid", "rid"), &ClippedCamera::add_exception_rid);
ClassDB::bind_method(D_METHOD("add_exception", "node"), &ClippedCamera::add_exception);
ClassDB::bind_method(D_METHOD("remove_exception_rid", "rid"), &ClippedCamera::remove_exception_rid);
ClassDB::bind_method(D_METHOD("remove_exception", "node"), &ClippedCamera::remove_exception);
ClassDB::bind_method(D_METHOD("set_clip_to_areas", "enable"), &ClippedCamera::set_clip_to_areas);
ClassDB::bind_method(D_METHOD("is_clip_to_areas_enabled"), &ClippedCamera::is_clip_to_areas_enabled);
ClassDB::bind_method(D_METHOD("get_clip_offset"), &ClippedCamera::get_clip_offset);
ClassDB::bind_method(D_METHOD("set_clip_to_bodies", "enable"), &ClippedCamera::set_clip_to_bodies);
ClassDB::bind_method(D_METHOD("is_clip_to_bodies_enabled"), &ClippedCamera::is_clip_to_bodies_enabled);
ClassDB::bind_method(D_METHOD("clear_exceptions"), &ClippedCamera::clear_exceptions);
ADD_PROPERTY(PropertyInfo(Variant::REAL, "margin", PROPERTY_HINT_RANGE, "0,32,0.01"), "set_margin", "get_margin");
ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_mode", "get_process_mode");
ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");
ADD_GROUP("Clip To", "clip_to");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_to_areas", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_clip_to_areas", "is_clip_to_areas_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_to_bodies", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_clip_to_bodies", "is_clip_to_bodies_enabled");
BIND_ENUM_CONSTANT(CLIP_PROCESS_PHYSICS);
BIND_ENUM_CONSTANT(CLIP_PROCESS_IDLE);
}
ClippedCamera::ClippedCamera() {
margin = 0;
clip_offset = 0;
process_mode = CLIP_PROCESS_PHYSICS;
set_physics_process_internal(true);
collision_mask = 1;
set_notify_local_transform(Engine::get_singleton()->is_editor_hint());
points.resize(5);
pyramid_shape = RID_PRIME(PhysicsServer::get_singleton()->shape_create(PhysicsServer::SHAPE_CONVEX_POLYGON));
clip_to_areas = false;
clip_to_bodies = true;
}
ClippedCamera::~ClippedCamera() {
PhysicsServer::get_singleton()->free(pyramid_shape);
}
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