/*************************************************************************/ /* camera.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 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 "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; } } void Camera::_validate_property(PropertyInfo &p_property) const { if (p_property.name == "fov") { if (mode == PROJECTION_ORTHOGONAL) { p_property.usage = PROPERTY_USAGE_NOEDITOR; } } else if (p_property.name == "size") { if (mode == PROJECTION_PERSPECTIVE) { 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: { bool first_camera = get_viewport()->_camera_add(this); if (!get_tree()->is_node_being_edited(this) && (current || first_camera)) make_current(); } 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; } } get_viewport()->_camera_remove(this); } break; case NOTIFICATION_BECAME_CURRENT: { if (get_world().is_valid()) { get_world()->_register_camera(this); } } break; case NOTIFICATION_LOST_CURRENT: { if (get_world().is_valid()) { get_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_projection(Camera::Projection p_mode) { if (p_mode == PROJECTION_PERSPECTIVE || p_mode == PROJECTION_ORTHOGONAL) { 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(NULL); 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; return false; } bool Camera::_can_gizmo_scale() const { return false; } 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 { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(), Vector3()); } 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); float screen_w, screen_h; cm.get_viewport_size(screen_w, screen_h); ray = Vector3(((cpos.x / viewport_size.width) * 2.0 - 1.0) * screen_w, ((1.0 - (cpos.y / viewport_size.height)) * 2.0 - 1.0) * screen_h, -near).normalized(); } return ray; }; Vector3 Camera::project_ray_origin(const Point2 &p_pos) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(), Vector3()); } 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 = -get_global_transform().basis.get_axis(2).normalized(); return eyedir.dot(p_pos) < (eyedir.dot(t.origin) + near); } Point2 Camera::unproject_position(const Vector3 &p_pos) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(), Vector2()); } 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) const { if (!is_inside_tree()) { ERR_EXPLAIN("Camera is not inside scene."); ERR_FAIL_COND_V(!is_inside_tree(), Vector3()); } 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); Size2 vp_size; cm.get_viewport_size(vp_size.x, vp_size.y); 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_size; Vector3 p(point.x, point.y, -near); 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); 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"), &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("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_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_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("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"), "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::REAL, "near", PROPERTY_HINT_EXP_RANGE, "0.1,8192,0.1,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(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; } float Camera::get_zfar() const { return far; } Camera::Projection Camera::get_projection() const { return mode; } void Camera::set_fov(float p_fov) { fov = p_fov; _update_camera_mode(); } void Camera::set_size(float p_size) { size = p_size; _update_camera_mode(); } void Camera::set_znear(float p_znear) { near = p_znear; _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 = VisualServer::get_singleton()->camera_create(); size = 1; fov = 0; near = 0; far = 0; current = false; 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); }