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Diffstat (limited to 'scene/3d/camera_3d.cpp')
| -rw-r--r-- | scene/3d/camera_3d.cpp | 899 |
1 files changed, 899 insertions, 0 deletions
diff --git a/scene/3d/camera_3d.cpp b/scene/3d/camera_3d.cpp new file mode 100644 index 0000000000..ecbaca7bd1 --- /dev/null +++ b/scene/3d/camera_3d.cpp @@ -0,0 +1,899 @@ +/*************************************************************************/ +/* camera_3d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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_3d.h" + +#include "collision_object_3d.h" +#include "core/engine.h" +#include "core/math/camera_matrix.h" +#include "scene/resources/material.h" +#include "scene/resources/surface_tool.h" + +void Camera3D::_update_audio_listener_state() { +} + +void Camera3D::_request_camera_update() { + _update_camera(); +} + +void Camera3D::_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 Camera3D::_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 Camera3D::_update_camera() { + if (!is_inside_tree()) { + return; + } + + RenderingServer::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_3d().is_valid()) { + get_world_3d()->_update_camera(this); + } +} + +void Camera3D::_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_3d()->_register_camera(this); + } + } break; + case NOTIFICATION_LOST_CURRENT: { + if (viewport) { + viewport->find_world_3d()->_remove_camera(this); + } + } break; + } +} + +Transform Camera3D::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 Camera3D::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; + + RenderingServer::get_singleton()->camera_set_perspective(camera, fov, near, far); + update_gizmo(); + force_change = false; +} + +void Camera3D::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; + + RenderingServer::get_singleton()->camera_set_orthogonal(camera, size, near, far); + update_gizmo(); +} + +void Camera3D::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; + + RenderingServer::get_singleton()->camera_set_frustum(camera, size, frustum_offset, near, far); + update_gizmo(); +} + +void Camera3D::set_projection(Camera3D::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 Camera3D::get_camera() const { + return camera; +}; + +void Camera3D::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 Camera3D::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 Camera3D::set_current(bool p_current) { + if (p_current) { + make_current(); + } else { + clear_current(); + } +} + +bool Camera3D::is_current() const { + if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) { + return get_viewport()->get_camera() == this; + } else { + return current; + } +} + +bool Camera3D::_can_gizmo_scale() const { + return false; +} + +Vector3 Camera3D::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 Camera3D::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 Camera3D::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 Camera3D::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> Camera3D::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 Camera3D::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 Camera3D::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 Camera3D::set_environment(const Ref<Environment> &p_environment) { + environment = p_environment; + if (environment.is_valid()) { + RS::get_singleton()->camera_set_environment(camera, environment->get_rid()); + } else { + RS::get_singleton()->camera_set_environment(camera, RID()); + } + _update_camera_mode(); +} + +Ref<Environment> Camera3D::get_environment() const { + return environment; +} + +void Camera3D::set_effects(const Ref<CameraEffects> &p_effects) { + effects = p_effects; + if (effects.is_valid()) { + RS::get_singleton()->camera_set_camera_effects(camera, effects->get_rid()); + } else { + RS::get_singleton()->camera_set_camera_effects(camera, RID()); + } + _update_camera_mode(); +} + +Ref<CameraEffects> Camera3D::get_effects() const { + return effects; +} + +void Camera3D::set_keep_aspect_mode(KeepAspect p_aspect) { + keep_aspect = p_aspect; + RenderingServer::get_singleton()->camera_set_use_vertical_aspect(camera, p_aspect == KEEP_WIDTH); + _update_camera_mode(); + _change_notify(); +} + +Camera3D::KeepAspect Camera3D::get_keep_aspect_mode() const { + return keep_aspect; +} + +void Camera3D::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(); +} + +Camera3D::DopplerTracking Camera3D::get_doppler_tracking() const { + return doppler_tracking; +} + +void Camera3D::_bind_methods() { + ClassDB::bind_method(D_METHOD("project_ray_normal", "screen_point"), &Camera3D::project_ray_normal); + ClassDB::bind_method(D_METHOD("project_local_ray_normal", "screen_point"), &Camera3D::project_local_ray_normal); + ClassDB::bind_method(D_METHOD("project_ray_origin", "screen_point"), &Camera3D::project_ray_origin); + ClassDB::bind_method(D_METHOD("unproject_position", "world_point"), &Camera3D::unproject_position); + ClassDB::bind_method(D_METHOD("is_position_behind", "world_point"), &Camera3D::is_position_behind); + ClassDB::bind_method(D_METHOD("project_position", "screen_point", "z_depth"), &Camera3D::project_position); + ClassDB::bind_method(D_METHOD("set_perspective", "fov", "z_near", "z_far"), &Camera3D::set_perspective); + ClassDB::bind_method(D_METHOD("set_orthogonal", "size", "z_near", "z_far"), &Camera3D::set_orthogonal); + ClassDB::bind_method(D_METHOD("set_frustum", "size", "offset", "z_near", "z_far"), &Camera3D::set_frustum); + ClassDB::bind_method(D_METHOD("make_current"), &Camera3D::make_current); + ClassDB::bind_method(D_METHOD("clear_current", "enable_next"), &Camera3D::clear_current, DEFVAL(true)); + ClassDB::bind_method(D_METHOD("set_current"), &Camera3D::set_current); + ClassDB::bind_method(D_METHOD("is_current"), &Camera3D::is_current); + ClassDB::bind_method(D_METHOD("get_camera_transform"), &Camera3D::get_camera_transform); + ClassDB::bind_method(D_METHOD("get_fov"), &Camera3D::get_fov); + ClassDB::bind_method(D_METHOD("get_frustum_offset"), &Camera3D::get_frustum_offset); + ClassDB::bind_method(D_METHOD("get_size"), &Camera3D::get_size); + ClassDB::bind_method(D_METHOD("get_zfar"), &Camera3D::get_zfar); + ClassDB::bind_method(D_METHOD("get_znear"), &Camera3D::get_znear); + ClassDB::bind_method(D_METHOD("set_fov"), &Camera3D::set_fov); + ClassDB::bind_method(D_METHOD("set_frustum_offset"), &Camera3D::set_frustum_offset); + ClassDB::bind_method(D_METHOD("set_size"), &Camera3D::set_size); + ClassDB::bind_method(D_METHOD("set_zfar"), &Camera3D::set_zfar); + ClassDB::bind_method(D_METHOD("set_znear"), &Camera3D::set_znear); + ClassDB::bind_method(D_METHOD("get_projection"), &Camera3D::get_projection); + ClassDB::bind_method(D_METHOD("set_projection"), &Camera3D::set_projection); + ClassDB::bind_method(D_METHOD("set_h_offset", "ofs"), &Camera3D::set_h_offset); + ClassDB::bind_method(D_METHOD("get_h_offset"), &Camera3D::get_h_offset); + ClassDB::bind_method(D_METHOD("set_v_offset", "ofs"), &Camera3D::set_v_offset); + ClassDB::bind_method(D_METHOD("get_v_offset"), &Camera3D::get_v_offset); + ClassDB::bind_method(D_METHOD("set_cull_mask", "mask"), &Camera3D::set_cull_mask); + ClassDB::bind_method(D_METHOD("get_cull_mask"), &Camera3D::get_cull_mask); + ClassDB::bind_method(D_METHOD("set_environment", "env"), &Camera3D::set_environment); + ClassDB::bind_method(D_METHOD("get_environment"), &Camera3D::get_environment); + ClassDB::bind_method(D_METHOD("set_effects", "env"), &Camera3D::set_effects); + ClassDB::bind_method(D_METHOD("get_effects"), &Camera3D::get_effects); + ClassDB::bind_method(D_METHOD("set_keep_aspect_mode", "mode"), &Camera3D::set_keep_aspect_mode); + ClassDB::bind_method(D_METHOD("get_keep_aspect_mode"), &Camera3D::get_keep_aspect_mode); + ClassDB::bind_method(D_METHOD("set_doppler_tracking", "mode"), &Camera3D::set_doppler_tracking); + ClassDB::bind_method(D_METHOD("get_doppler_tracking"), &Camera3D::get_doppler_tracking); + ClassDB::bind_method(D_METHOD("get_frustum"), &Camera3D::get_frustum); + ClassDB::bind_method(D_METHOD("get_camera_rid"), &Camera3D::get_camera); + + ClassDB::bind_method(D_METHOD("set_cull_mask_bit", "layer", "enable"), &Camera3D::set_cull_mask_bit); + ClassDB::bind_method(D_METHOD("get_cull_mask_bit", "layer"), &Camera3D::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::OBJECT, "effects", PROPERTY_HINT_RESOURCE_TYPE, "CameraEffects"), "set_effects", "get_effects"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "h_offset"), "set_h_offset", "get_h_offset"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "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::FLOAT, "fov", PROPERTY_HINT_RANGE, "1,179,0.1"), "set_fov", "get_fov"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "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::FLOAT, "near", PROPERTY_HINT_EXP_RANGE, "0.01,8192,0.01,or_greater"), "set_znear", "get_znear"); + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "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 Camera3D::get_fov() const { + return fov; +} + +float Camera3D::get_size() const { + return size; +} + +float Camera3D::get_znear() const { + return near; +} + +Vector2 Camera3D::get_frustum_offset() const { + return frustum_offset; +} + +float Camera3D::get_zfar() const { + return far; +} + +Camera3D::Projection Camera3D::get_projection() const { + return mode; +} + +void Camera3D::set_fov(float p_fov) { + ERR_FAIL_COND(p_fov < 1 || p_fov > 179); + fov = p_fov; + _update_camera_mode(); + _change_notify("fov"); +} + +void Camera3D::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 Camera3D::set_znear(float p_znear) { + near = p_znear; + _update_camera_mode(); +} + +void Camera3D::set_frustum_offset(Vector2 p_offset) { + frustum_offset = p_offset; + _update_camera_mode(); +} + +void Camera3D::set_zfar(float p_zfar) { + far = p_zfar; + _update_camera_mode(); +} + +void Camera3D::set_cull_mask(uint32_t p_layers) { + layers = p_layers; + RenderingServer::get_singleton()->camera_set_cull_mask(camera, layers); + _update_camera_mode(); +} + +uint32_t Camera3D::get_cull_mask() const { + return layers; +} + +void Camera3D::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 Camera3D::get_cull_mask_bit(int p_layer) const { + ERR_FAIL_INDEX_V(p_layer, 32, false); + return (layers & (1 << p_layer)); +} + +Vector<Plane> Camera3D::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 Camera3D::set_v_offset(float p_offset) { + v_offset = p_offset; + _update_camera(); +} + +float Camera3D::get_v_offset() const { + return v_offset; +} + +void Camera3D::set_h_offset(float p_offset) { + h_offset = p_offset; + _update_camera(); +} + +float Camera3D::get_h_offset() const { + return h_offset; +} + +Vector3 Camera3D::get_doppler_tracked_velocity() const { + if (doppler_tracking != DOPPLER_TRACKING_DISABLED) { + return velocity_tracker->get_tracked_linear_velocity(); + } else { + return Vector3(); + } +} + +Camera3D::Camera3D() { + camera = RenderingServer::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(75.0, 0.05, 100.0); + keep_aspect = KEEP_HEIGHT; + layers = 0xfffff; + v_offset = 0; + h_offset = 0; + RenderingServer::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); +} + +Camera3D::~Camera3D() { + RenderingServer::get_singleton()->free(camera); +} + +//////////////////////////////////////// + +void ClippedCamera3D::set_margin(float p_margin) { + margin = p_margin; +} + +float ClippedCamera3D::get_margin() const { + return margin; +} + +void ClippedCamera3D::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); +} + +ClippedCamera3D::ProcessMode ClippedCamera3D::get_process_mode() const { + return process_mode; +} + +Transform ClippedCamera3D::get_camera_transform() const { + Transform t = Camera3D::get_camera_transform(); + t.origin += -t.basis.get_axis(Vector3::AXIS_Z).normalized() * clip_offset; + return t; +} + +void ClippedCamera3D::_notification(int p_what) { + if (p_what == NOTIFICATION_INTERNAL_PROCESS || p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) { + Node3D *parent = Object::cast_to<Node3D>(get_parent()); + if (!parent) { + return; + } + + PhysicsDirectSpaceState3D *dspace = get_world_3d()->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) { + PhysicsServer3D::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 ClippedCamera3D::set_collision_mask(uint32_t p_mask) { + collision_mask = p_mask; +} + +uint32_t ClippedCamera3D::get_collision_mask() const { + return collision_mask; +} + +void ClippedCamera3D::set_collision_mask_bit(int p_bit, bool p_value) { + uint32_t mask = get_collision_mask(); + if (p_value) { + mask |= 1 << p_bit; + } else { + mask &= ~(1 << p_bit); + } + set_collision_mask(mask); +} + +bool ClippedCamera3D::get_collision_mask_bit(int p_bit) const { + return get_collision_mask() & (1 << p_bit); +} + +void ClippedCamera3D::add_exception_rid(const RID &p_rid) { + exclude.insert(p_rid); +} + +void ClippedCamera3D::add_exception(const Object *p_object) { + ERR_FAIL_NULL(p_object); + const CollisionObject3D *co = Object::cast_to<CollisionObject3D>(p_object); + if (!co) { + return; + } + add_exception_rid(co->get_rid()); +} + +void ClippedCamera3D::remove_exception_rid(const RID &p_rid) { + exclude.erase(p_rid); +} + +void ClippedCamera3D::remove_exception(const Object *p_object) { + ERR_FAIL_NULL(p_object); + const CollisionObject3D *co = Object::cast_to<CollisionObject3D>(p_object); + if (!co) { + return; + } + remove_exception_rid(co->get_rid()); +} + +void ClippedCamera3D::clear_exceptions() { + exclude.clear(); +} + +float ClippedCamera3D::get_clip_offset() const { + return clip_offset; +} + +void ClippedCamera3D::set_clip_to_areas(bool p_clip) { + clip_to_areas = p_clip; +} + +bool ClippedCamera3D::is_clip_to_areas_enabled() const { + return clip_to_areas; +} + +void ClippedCamera3D::set_clip_to_bodies(bool p_clip) { + clip_to_bodies = p_clip; +} + +bool ClippedCamera3D::is_clip_to_bodies_enabled() const { + return clip_to_bodies; +} + +void ClippedCamera3D::_bind_methods() { + ClassDB::bind_method(D_METHOD("set_margin", "margin"), &ClippedCamera3D::set_margin); + ClassDB::bind_method(D_METHOD("get_margin"), &ClippedCamera3D::get_margin); + + ClassDB::bind_method(D_METHOD("set_process_mode", "process_mode"), &ClippedCamera3D::set_process_mode); + ClassDB::bind_method(D_METHOD("get_process_mode"), &ClippedCamera3D::get_process_mode); + + ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &ClippedCamera3D::set_collision_mask); + ClassDB::bind_method(D_METHOD("get_collision_mask"), &ClippedCamera3D::get_collision_mask); + + ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &ClippedCamera3D::set_collision_mask_bit); + ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &ClippedCamera3D::get_collision_mask_bit); + + ClassDB::bind_method(D_METHOD("add_exception_rid", "rid"), &ClippedCamera3D::add_exception_rid); + ClassDB::bind_method(D_METHOD("add_exception", "node"), &ClippedCamera3D::add_exception); + + ClassDB::bind_method(D_METHOD("remove_exception_rid", "rid"), &ClippedCamera3D::remove_exception_rid); + ClassDB::bind_method(D_METHOD("remove_exception", "node"), &ClippedCamera3D::remove_exception); + + ClassDB::bind_method(D_METHOD("set_clip_to_areas", "enable"), &ClippedCamera3D::set_clip_to_areas); + ClassDB::bind_method(D_METHOD("is_clip_to_areas_enabled"), &ClippedCamera3D::is_clip_to_areas_enabled); + + ClassDB::bind_method(D_METHOD("get_clip_offset"), &ClippedCamera3D::get_clip_offset); + + ClassDB::bind_method(D_METHOD("set_clip_to_bodies", "enable"), &ClippedCamera3D::set_clip_to_bodies); + ClassDB::bind_method(D_METHOD("is_clip_to_bodies_enabled"), &ClippedCamera3D::is_clip_to_bodies_enabled); + + ClassDB::bind_method(D_METHOD("clear_exceptions"), &ClippedCamera3D::clear_exceptions); + + ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "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); +} + +ClippedCamera3D::ClippedCamera3D() { + 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 = PhysicsServer3D::get_singleton()->shape_create(PhysicsServer3D::SHAPE_CONVEX_POLYGON); + clip_to_areas = false; + clip_to_bodies = true; +} + +ClippedCamera3D::~ClippedCamera3D() { + PhysicsServer3D::get_singleton()->free(pyramid_shape); +} |