/*************************************************************************/ /* interpolated_camera.cpp */ /*************************************************************************/ /* This file is part of: */ /* PANDEMONIUM ENGINE */ /* https://github.com/Relintai/pandemonium_engine */ /*************************************************************************/ /* Copyright (c) 2022-present Péter Magyar. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* */ /* 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 "interpolated_camera.h" #include "core/config/engine.h" void InterpolatedCamera::_notification(int p_what) { switch (p_what) { case NOTIFICATION_ENTER_TREE: { _update_process_mode(); } break; case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: { if (!enabled) { break; } if (has_node(target)) { Spatial *node = Object::cast_to(get_node(target)); if (!node) { break; } float delta = speed * (process_mode == INTERPOLATED_CAMERA_PROCESS_PHYSICS ? get_physics_process_delta_time() : get_process_delta_time()); Transform target_xform = node->get_global_transform(); Transform local_transform = get_global_transform(); local_transform = local_transform.interpolate_with(target_xform, delta); set_global_transform(local_transform); Camera *cam = Object::cast_to(node); if (cam) { if (cam->get_projection() == get_projection()) { float new_near = Math::lerp(get_znear(), cam->get_znear(), delta); float new_far = Math::lerp(get_zfar(), cam->get_zfar(), delta); if (cam->get_projection() == PROJECTION_ORTHOGONAL) { float size = Math::lerp(get_size(), cam->get_size(), delta); set_orthogonal(size, new_near, new_far); } else { float fov = Math::lerp(get_fov(), cam->get_fov(), delta); set_perspective(fov, new_near, new_far); } } } } } break; } } void InterpolatedCamera::set_process_mode(InterpolatedCameraProcessMode p_mode) { if (process_mode == p_mode) { return; } process_mode = p_mode; _update_process_mode(); } InterpolatedCamera::InterpolatedCameraProcessMode InterpolatedCamera::get_process_mode() const { return process_mode; } void InterpolatedCamera::_set_target(const Object *p_target) { ERR_FAIL_NULL(p_target); set_target(Object::cast_to(p_target)); } void InterpolatedCamera::set_target(const Spatial *p_target) { ERR_FAIL_NULL(p_target); target = get_path_to(p_target); } void InterpolatedCamera::set_target_path(const NodePath &p_path) { target = p_path; } NodePath InterpolatedCamera::get_target_path() const { return target; } void InterpolatedCamera::set_interpolation_enabled(bool p_enable) { if (enabled == p_enable) { return; } enabled = p_enable; _update_process_mode(); } void InterpolatedCamera::_update_process_mode() { if (Engine::get_singleton()->is_editor_hint() || !enabled) { set_process_internal(false); set_physics_process_internal(false); } else if (process_mode == INTERPOLATED_CAMERA_PROCESS_IDLE) { set_process_internal(true); set_physics_process_internal(false); } else { set_process_internal(false); set_physics_process_internal(true); } } bool InterpolatedCamera::is_interpolation_enabled() const { return enabled; } void InterpolatedCamera::set_speed(real_t p_speed) { speed = p_speed; } real_t InterpolatedCamera::get_speed() const { return speed; } void InterpolatedCamera::_bind_methods() { ClassDB::bind_method(D_METHOD("set_target_path", "target_path"), &InterpolatedCamera::set_target_path); ClassDB::bind_method(D_METHOD("get_target_path"), &InterpolatedCamera::get_target_path); ClassDB::bind_method(D_METHOD("set_target", "target"), &InterpolatedCamera::_set_target); ClassDB::bind_method(D_METHOD("set_speed", "speed"), &InterpolatedCamera::set_speed); ClassDB::bind_method(D_METHOD("get_speed"), &InterpolatedCamera::get_speed); ClassDB::bind_method(D_METHOD("set_interpolation_enabled", "target_path"), &InterpolatedCamera::set_interpolation_enabled); ClassDB::bind_method(D_METHOD("is_interpolation_enabled"), &InterpolatedCamera::is_interpolation_enabled); ClassDB::bind_method(D_METHOD("set_process_mode", "mode"), &InterpolatedCamera::set_process_mode); ClassDB::bind_method(D_METHOD("get_process_mode"), &InterpolatedCamera::get_process_mode); ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "target"), "set_target_path", "get_target_path"); ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed"), "set_speed", "get_speed"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_interpolation_enabled", "is_interpolation_enabled"); ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_mode", "get_process_mode"); BIND_ENUM_CONSTANT(INTERPOLATED_CAMERA_PROCESS_PHYSICS); BIND_ENUM_CONSTANT(INTERPOLATED_CAMERA_PROCESS_IDLE); } InterpolatedCamera::InterpolatedCamera() { enabled = false; speed = 1; process_mode = INTERPOLATED_CAMERA_PROCESS_IDLE; }