mirror of
https://github.com/Relintai/pandemonium_engine_minimal.git
synced 2024-12-21 16:56:50 +01:00
884 lines
31 KiB
C++
884 lines
31 KiB
C++
/*************************************************************************/
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/* camera_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "camera_2d.h"
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#include "core/config/engine.h"
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#include "core/math/math_funcs.h"
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#include "scene/main/viewport.h"
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#include "scene/main/scene_string_names.h"
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#include "servers/rendering_server.h"
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void Camera2D::_update_scroll() {
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if (!is_inside_tree()) {
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return;
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}
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if (Engine::get_singleton()->is_editor_hint()) {
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update();
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}
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if (!viewport) {
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return;
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}
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if (is_current()) {
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ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
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Transform2D xform;
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if (is_physics_interpolated_and_enabled()) {
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xform = _interpolation_data.xform_prev.interpolate_with(_interpolation_data.xform_curr, Engine::get_singleton()->get_physics_interpolation_fraction());
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} else {
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xform = get_camera_transform();
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}
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viewport->set_canvas_transform(xform);
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Size2 screen_size = viewport->get_visible_rect().size;
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Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5) : Point2());
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get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform, screen_offset);
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};
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}
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void Camera2D::_update_process_mode() {
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if (is_physics_interpolated_and_enabled()) {
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set_process_internal(is_current());
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set_physics_process_internal(is_current());
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#ifdef TOOLS_ENABLED
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if (process_mode == CAMERA2D_PROCESS_IDLE) {
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WARN_PRINT_ONCE("Camera2D overridden to physics process mode due to use of physics interpolation.");
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}
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#endif
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} else {
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// Smoothing can be enabled in the editor but will never be active.
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if (process_mode == CAMERA2D_PROCESS_IDLE) {
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set_process_internal(smoothing_active);
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set_physics_process_internal(false);
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} else {
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set_process_internal(false);
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set_physics_process_internal(smoothing_active);
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}
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}
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}
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void Camera2D::_setup_viewport() {
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// Disconnect signal on previous viewport if there's one.
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if (viewport && viewport->is_connected("size_changed", this, "_update_scroll")) {
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viewport->disconnect("size_changed", this, "_update_scroll");
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}
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if (custom_viewport && ObjectDB::get_instance(custom_viewport_id)) {
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viewport = custom_viewport;
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} else {
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viewport = get_viewport();
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}
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RID vp = viewport->get_viewport_rid();
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group_name = "__cameras_" + itos(vp.get_id());
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canvas_group_name = "__cameras_c" + itos(canvas.get_id());
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add_to_group(group_name);
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add_to_group(canvas_group_name);
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viewport->connect("size_changed", this, "_update_scroll");
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}
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void Camera2D::set_zoom(const Vector2 &p_zoom) {
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// Setting zoom to zero causes 'affine_invert' issues
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ERR_FAIL_COND_MSG(Math::is_zero_approx(p_zoom.x) || Math::is_zero_approx(p_zoom.y), "Zoom level must be different from 0 (can be negative).");
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zoom = p_zoom;
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Point2 old_smoothed_camera_pos = smoothed_camera_pos;
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_update_scroll();
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smoothed_camera_pos = old_smoothed_camera_pos;
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};
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Vector2 Camera2D::get_zoom() const {
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return zoom;
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};
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Transform2D Camera2D::get_camera_transform() {
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if (!get_tree() || !viewport) {
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return Transform2D();
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}
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ERR_FAIL_COND_V(custom_viewport && !ObjectDB::get_instance(custom_viewport_id), Transform2D());
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Size2 screen_size = viewport->get_visible_rect().size;
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Point2 new_camera_pos = get_global_transform().get_origin();
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Point2 ret_camera_pos;
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if (!first) {
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if (anchor_mode == ANCHOR_MODE_DRAG_CENTER) {
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if (h_drag_enabled && !Engine::get_singleton()->is_editor_hint() && !h_offset_changed) {
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camera_pos.x = MIN(camera_pos.x, (new_camera_pos.x + screen_size.x * 0.5 * zoom.x * drag_margin[MARGIN_LEFT]));
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camera_pos.x = MAX(camera_pos.x, (new_camera_pos.x - screen_size.x * 0.5 * zoom.x * drag_margin[MARGIN_RIGHT]));
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} else {
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if (h_ofs < 0) {
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camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT] * h_ofs;
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} else {
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camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_LEFT] * h_ofs;
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}
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h_offset_changed = false;
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}
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if (v_drag_enabled && !Engine::get_singleton()->is_editor_hint() && !v_offset_changed) {
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camera_pos.y = MIN(camera_pos.y, (new_camera_pos.y + screen_size.y * 0.5 * zoom.y * drag_margin[MARGIN_TOP]));
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camera_pos.y = MAX(camera_pos.y, (new_camera_pos.y - screen_size.y * 0.5 * zoom.y * drag_margin[MARGIN_BOTTOM]));
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} else {
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if (v_ofs < 0) {
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camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM] * v_ofs;
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} else {
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camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_TOP] * v_ofs;
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}
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v_offset_changed = false;
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}
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} else if (anchor_mode == ANCHOR_MODE_FIXED_TOP_LEFT) {
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camera_pos = new_camera_pos;
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}
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Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());
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Rect2 screen_rect(-screen_offset + camera_pos, screen_size * zoom);
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if (limit_smoothing_enabled) {
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if (screen_rect.position.x < limit[MARGIN_LEFT]) {
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camera_pos.x -= screen_rect.position.x - limit[MARGIN_LEFT];
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}
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if (screen_rect.position.x + screen_rect.size.x > limit[MARGIN_RIGHT]) {
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camera_pos.x -= screen_rect.position.x + screen_rect.size.x - limit[MARGIN_RIGHT];
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}
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if (screen_rect.position.y + screen_rect.size.y > limit[MARGIN_BOTTOM]) {
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camera_pos.y -= screen_rect.position.y + screen_rect.size.y - limit[MARGIN_BOTTOM];
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}
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if (screen_rect.position.y < limit[MARGIN_TOP]) {
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camera_pos.y -= screen_rect.position.y - limit[MARGIN_TOP];
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}
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}
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// TODO ..
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// There is a bug here.
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// Smoothing occurs rather confusingly
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// during the call to get_camera_transform().
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// It may be called MULTIPLE TIMES on certain frames,
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// therefore smoothing is not currently applied only once per frame / tick,
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// which will result in some haphazard results.
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if (smoothing_active) {
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// Note that if we are using physics interpolation,
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// processing will always be physics based (it ignores the process mode set in the UI).
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bool physics_process = (process_mode == CAMERA2D_PROCESS_PHYSICS) || is_physics_interpolated_and_enabled();
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float delta = physics_process ? get_physics_process_delta_time() : get_process_delta_time();
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float c = smoothing * delta;
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smoothed_camera_pos = ((camera_pos - smoothed_camera_pos) * c) + smoothed_camera_pos;
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ret_camera_pos = smoothed_camera_pos;
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} else {
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ret_camera_pos = smoothed_camera_pos = camera_pos;
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}
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} else {
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ret_camera_pos = smoothed_camera_pos = camera_pos = new_camera_pos;
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first = false;
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}
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Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());
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float angle = get_global_transform().get_rotation();
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if (rotating) {
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screen_offset = screen_offset.rotated(angle);
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}
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Rect2 screen_rect(-screen_offset + ret_camera_pos, screen_size * zoom);
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if (!smoothing_enabled || !limit_smoothing_enabled) {
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if (screen_rect.position.x < limit[MARGIN_LEFT]) {
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screen_rect.position.x = limit[MARGIN_LEFT];
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}
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if (screen_rect.position.x + screen_rect.size.x > limit[MARGIN_RIGHT]) {
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screen_rect.position.x = limit[MARGIN_RIGHT] - screen_rect.size.x;
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}
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if (screen_rect.position.y + screen_rect.size.y > limit[MARGIN_BOTTOM]) {
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screen_rect.position.y = limit[MARGIN_BOTTOM] - screen_rect.size.y;
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}
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if (screen_rect.position.y < limit[MARGIN_TOP]) {
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screen_rect.position.y = limit[MARGIN_TOP];
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}
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}
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if (offset != Vector2()) {
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screen_rect.position += offset;
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}
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camera_screen_center = screen_rect.position + screen_rect.size * 0.5;
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Transform2D xform;
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xform.scale_basis(zoom);
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if (rotating) {
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xform.set_rotation(angle);
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}
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xform.set_origin(screen_rect.position);
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return (xform).affine_inverse();
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}
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void Camera2D::_ensure_update_interpolation_data() {
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// The curr -> previous update can either occur
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// on the INTERNAL_PHYSICS_PROCESS OR
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// on NOTIFICATION_TRANSFORM_CHANGED,
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// if NOTIFICATION_TRANSFORM_CHANGED takes place
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// earlier than INTERNAL_PHYSICS_PROCESS on a tick.
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// This is to ensure that the data keeps flowing, but the new data
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// doesn't overwrite before prev has been set.
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// Keep the data flowing.
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uint64_t tick = Engine::get_singleton()->get_physics_frames();
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if (_interpolation_data.last_update_physics_tick != tick) {
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_interpolation_data.xform_prev = _interpolation_data.xform_curr;
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_interpolation_data.last_update_physics_tick = tick;
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}
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}
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void Camera2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_INTERNAL_PROCESS: {
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_update_scroll();
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} break;
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case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
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if (is_physics_interpolated_and_enabled()) {
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_ensure_update_interpolation_data();
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_interpolation_data.xform_curr = get_camera_transform();
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} else {
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_update_scroll();
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}
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} break;
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case NOTIFICATION_RESET_PHYSICS_INTERPOLATION: {
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// Force the limits etc to update.
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_interpolation_data.xform_curr = get_camera_transform();
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_interpolation_data.xform_prev = _interpolation_data.xform_curr;
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (!smoothing_active && !is_physics_interpolated_and_enabled()) {
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_update_scroll();
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}
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if (is_physics_interpolated_and_enabled()) {
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_ensure_update_interpolation_data();
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if (Engine::get_singleton()->is_in_physics_frame()) {
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_interpolation_data.xform_curr = get_camera_transform();
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}
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}
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} break;
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case NOTIFICATION_ENTER_TREE: {
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ERR_FAIL_COND(!is_inside_tree());
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canvas = get_canvas();
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_setup_viewport();
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_update_process_mode();
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if (!Engine::get_singleton()->is_editor_hint() && enabled && !viewport->get_camera_2d()) {
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make_current();
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}
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// Note that NOTIFICATION_RESET_PHYSICS_INTERPOLATION
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// is automatically called before this because Camera2D is inherited
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// from CanvasItem. However, the camera transform is not up to date
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// until this point, so we do an extra manual reset.
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if (is_physics_interpolated_and_enabled()) {
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_interpolation_data.xform_curr = get_camera_transform();
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_interpolation_data.xform_prev = _interpolation_data.xform_curr;
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}
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first = true;
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} break;
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case NOTIFICATION_EXIT_TREE: {
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remove_from_group(group_name);
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remove_from_group(canvas_group_name);
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if (is_current()) {
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clear_current();
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}
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const bool viewport_valid = !custom_viewport || ObjectDB::get_instance(custom_viewport_id);
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if (viewport && viewport_valid) {
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viewport->disconnect("size_changed", this, "_update_scroll");
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}
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viewport = nullptr;
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} break;
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#ifdef TOOLS_ENABLED
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case NOTIFICATION_DRAW: {
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if (!is_inside_tree() || !Engine::get_singleton()->is_editor_hint()) {
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break;
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}
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if (screen_drawing_enabled) {
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Color area_axis_color(1, 0.4, 1, 0.63);
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float area_axis_width = 1;
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if (is_current()) {
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area_axis_width = 3;
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}
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Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
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Size2 screen_size = get_viewport_rect().size;
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Vector2 screen_endpoints[4] = {
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inv_camera_transform.xform(Vector2(0, 0)),
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inv_camera_transform.xform(Vector2(screen_size.width, 0)),
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inv_camera_transform.xform(Vector2(screen_size.width, screen_size.height)),
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inv_camera_transform.xform(Vector2(0, screen_size.height))
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};
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Transform2D inv_transform = get_global_transform().affine_inverse(); // undo global space
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for (int i = 0; i < 4; i++) {
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draw_line(inv_transform.xform(screen_endpoints[i]), inv_transform.xform(screen_endpoints[(i + 1) % 4]), area_axis_color, area_axis_width);
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}
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}
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if (limit_drawing_enabled) {
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Color limit_drawing_color(1, 1, 0.25, 0.63);
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float limit_drawing_width = 1;
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if (is_current()) {
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limit_drawing_width = 3;
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}
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Vector2 camera_origin = get_global_transform().get_origin();
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Vector2 camera_scale = get_global_transform().get_scale().abs();
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Vector2 limit_points[4] = {
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(Vector2(limit[MARGIN_LEFT], limit[MARGIN_TOP]) - camera_origin) / camera_scale,
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(Vector2(limit[MARGIN_RIGHT], limit[MARGIN_TOP]) - camera_origin) / camera_scale,
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(Vector2(limit[MARGIN_RIGHT], limit[MARGIN_BOTTOM]) - camera_origin) / camera_scale,
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(Vector2(limit[MARGIN_LEFT], limit[MARGIN_BOTTOM]) - camera_origin) / camera_scale
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};
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for (int i = 0; i < 4; i++) {
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draw_line(limit_points[i], limit_points[(i + 1) % 4], limit_drawing_color, limit_drawing_width);
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}
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}
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if (margin_drawing_enabled) {
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Color margin_drawing_color(0.25, 1, 1, 0.63);
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float margin_drawing_width = 1;
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if (is_current()) {
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margin_drawing_width = 3;
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}
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Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
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Size2 screen_size = get_viewport_rect().size;
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Vector2 margin_endpoints[4] = {
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inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[MARGIN_LEFT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[MARGIN_TOP]))),
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inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[MARGIN_RIGHT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[MARGIN_TOP]))),
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inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[MARGIN_RIGHT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[MARGIN_BOTTOM]))),
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inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[MARGIN_LEFT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[MARGIN_BOTTOM])))
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};
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Transform2D inv_transform = get_global_transform().affine_inverse(); // undo global space
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for (int i = 0; i < 4; i++) {
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draw_line(inv_transform.xform(margin_endpoints[i]), inv_transform.xform(margin_endpoints[(i + 1) % 4]), margin_drawing_color, margin_drawing_width);
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}
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}
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} break;
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#endif
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}
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}
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void Camera2D::set_offset(const Vector2 &p_offset) {
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offset = p_offset;
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Point2 old_smoothed_camera_pos = smoothed_camera_pos;
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_update_scroll();
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smoothed_camera_pos = old_smoothed_camera_pos;
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}
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Vector2 Camera2D::get_offset() const {
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return offset;
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}
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void Camera2D::set_anchor_mode(AnchorMode p_anchor_mode) {
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anchor_mode = p_anchor_mode;
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_update_scroll();
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}
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Camera2D::AnchorMode Camera2D::get_anchor_mode() const {
|
|
return anchor_mode;
|
|
}
|
|
|
|
void Camera2D::set_rotating(bool p_rotating) {
|
|
rotating = p_rotating;
|
|
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
|
|
_update_scroll();
|
|
smoothed_camera_pos = old_smoothed_camera_pos;
|
|
}
|
|
|
|
bool Camera2D::is_rotating() const {
|
|
return rotating;
|
|
}
|
|
|
|
void Camera2D::set_process_mode(Camera2DProcessMode p_mode) {
|
|
if (process_mode == p_mode) {
|
|
return;
|
|
}
|
|
|
|
process_mode = p_mode;
|
|
_update_process_mode();
|
|
}
|
|
|
|
Camera2D::Camera2DProcessMode Camera2D::get_process_mode() const {
|
|
return process_mode;
|
|
}
|
|
|
|
void Camera2D::set_enabled(bool p_enabled) {
|
|
enabled = p_enabled;
|
|
|
|
if (enabled && is_inside_tree() && !viewport->get_camera_2d()) {
|
|
make_current();
|
|
} else if (!enabled && is_current()) {
|
|
clear_current();
|
|
}
|
|
}
|
|
|
|
bool Camera2D::is_enabled() const {
|
|
return enabled;
|
|
}
|
|
|
|
void Camera2D::_make_current(Object *p_which) {
|
|
if (p_which == this) {
|
|
if (is_inside_tree()) {
|
|
get_viewport()->_camera_2d_set(this);
|
|
update();
|
|
_update_scroll();
|
|
_update_process_mode();
|
|
}
|
|
} else {
|
|
if (is_inside_tree()) {
|
|
if (get_viewport()->get_camera_2d() == this) {
|
|
get_viewport()->_camera_2d_set(nullptr);
|
|
_update_process_mode();
|
|
}
|
|
update();
|
|
}
|
|
}
|
|
}
|
|
|
|
void Camera2D::make_current() {
|
|
ERR_FAIL_COND(!enabled || !is_inside_tree());
|
|
get_tree()->call_group(group_name, "_make_current", this);
|
|
_update_scroll();
|
|
_update_process_mode();
|
|
}
|
|
|
|
void Camera2D::clear_current() {
|
|
ERR_FAIL_COND(!is_current());
|
|
if (viewport && !(custom_viewport && !ObjectDB::get_instance(custom_viewport_id))) {
|
|
viewport->assign_next_enabled_camera_2d(group_name);
|
|
}
|
|
_update_process_mode();
|
|
}
|
|
|
|
bool Camera2D::is_current() const {
|
|
if (viewport && !(custom_viewport && !ObjectDB::get_instance(custom_viewport_id))) {
|
|
return viewport->get_camera_2d() == this;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void Camera2D::set_limit(Margin p_margin, int p_limit) {
|
|
ERR_FAIL_INDEX((int)p_margin, 4);
|
|
limit[p_margin] = p_limit;
|
|
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
|
|
_update_scroll();
|
|
smoothed_camera_pos = old_smoothed_camera_pos;
|
|
}
|
|
|
|
int Camera2D::get_limit(Margin p_margin) const {
|
|
ERR_FAIL_INDEX_V((int)p_margin, 4, 0);
|
|
return limit[p_margin];
|
|
}
|
|
|
|
void Camera2D::set_limit_smoothing_enabled(bool enable) {
|
|
limit_smoothing_enabled = enable;
|
|
_update_scroll();
|
|
}
|
|
|
|
bool Camera2D::is_limit_smoothing_enabled() const {
|
|
return limit_smoothing_enabled;
|
|
}
|
|
|
|
void Camera2D::set_drag_margin(Margin p_margin, float p_drag_margin) {
|
|
ERR_FAIL_INDEX((int)p_margin, 4);
|
|
drag_margin[p_margin] = p_drag_margin;
|
|
update();
|
|
}
|
|
|
|
float Camera2D::get_drag_margin(Margin p_margin) const {
|
|
ERR_FAIL_INDEX_V((int)p_margin, 4, 0);
|
|
return drag_margin[p_margin];
|
|
}
|
|
|
|
Vector2 Camera2D::get_camera_position() const {
|
|
return camera_pos;
|
|
}
|
|
|
|
void Camera2D::force_update_scroll() {
|
|
_update_scroll();
|
|
}
|
|
|
|
void Camera2D::reset_smoothing() {
|
|
_update_scroll();
|
|
smoothed_camera_pos = camera_pos;
|
|
}
|
|
|
|
void Camera2D::align() {
|
|
ERR_FAIL_COND(!is_inside_tree() || !viewport);
|
|
ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
|
|
|
|
Size2 screen_size = viewport->get_visible_rect().size;
|
|
|
|
Point2 current_camera_pos = get_global_transform().get_origin();
|
|
if (anchor_mode == ANCHOR_MODE_DRAG_CENTER) {
|
|
if (h_ofs < 0) {
|
|
camera_pos.x = current_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT] * h_ofs;
|
|
} else {
|
|
camera_pos.x = current_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_LEFT] * h_ofs;
|
|
}
|
|
if (v_ofs < 0) {
|
|
camera_pos.y = current_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_TOP] * v_ofs;
|
|
} else {
|
|
camera_pos.y = current_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM] * v_ofs;
|
|
}
|
|
} else if (anchor_mode == ANCHOR_MODE_FIXED_TOP_LEFT) {
|
|
camera_pos = current_camera_pos;
|
|
}
|
|
|
|
_update_scroll();
|
|
}
|
|
|
|
void Camera2D::set_follow_smoothing(float p_speed) {
|
|
smoothing = p_speed;
|
|
}
|
|
|
|
float Camera2D::get_follow_smoothing() const {
|
|
return smoothing;
|
|
}
|
|
|
|
Point2 Camera2D::get_camera_screen_center() const {
|
|
return camera_screen_center;
|
|
}
|
|
|
|
void Camera2D::set_h_drag_enabled(bool p_enabled) {
|
|
h_drag_enabled = p_enabled;
|
|
}
|
|
|
|
bool Camera2D::is_h_drag_enabled() const {
|
|
return h_drag_enabled;
|
|
}
|
|
|
|
void Camera2D::set_v_drag_enabled(bool p_enabled) {
|
|
v_drag_enabled = p_enabled;
|
|
}
|
|
|
|
bool Camera2D::is_v_drag_enabled() const {
|
|
return v_drag_enabled;
|
|
}
|
|
|
|
void Camera2D::set_v_offset(float p_offset) {
|
|
v_ofs = p_offset;
|
|
v_offset_changed = true;
|
|
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
|
|
_update_scroll();
|
|
smoothed_camera_pos = old_smoothed_camera_pos;
|
|
}
|
|
|
|
float Camera2D::get_v_offset() const {
|
|
return v_ofs;
|
|
}
|
|
|
|
void Camera2D::set_h_offset(float p_offset) {
|
|
h_ofs = p_offset;
|
|
h_offset_changed = true;
|
|
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
|
|
_update_scroll();
|
|
smoothed_camera_pos = old_smoothed_camera_pos;
|
|
}
|
|
float Camera2D::get_h_offset() const {
|
|
return h_ofs;
|
|
}
|
|
|
|
void Camera2D::set_enable_follow_smoothing(bool p_enabled) {
|
|
// watch for situation where an pre-enabled camera is added to the tree
|
|
// processing must be resumed and bypass this noop check
|
|
// (this currently works but is a possible future bug)
|
|
if (smoothing_enabled == p_enabled) {
|
|
return;
|
|
}
|
|
|
|
// Separate the logic between enabled and active, because the smoothing
|
|
// cannot be active in the editor. This can be done without a separate flag
|
|
// but is bug prone so this approach is easier to follow.
|
|
smoothing_enabled = p_enabled;
|
|
smoothing_active = smoothing_enabled && !Engine::get_singleton()->is_editor_hint();
|
|
|
|
// keep the processing up to date after each change
|
|
_update_process_mode();
|
|
}
|
|
|
|
bool Camera2D::is_follow_smoothing_enabled() const {
|
|
return smoothing_enabled;
|
|
}
|
|
|
|
void Camera2D::set_custom_viewport(Node *p_viewport) {
|
|
ERR_FAIL_NULL(p_viewport);
|
|
if (is_inside_tree()) {
|
|
remove_from_group(group_name);
|
|
remove_from_group(canvas_group_name);
|
|
}
|
|
|
|
if (custom_viewport && !ObjectDB::get_instance(custom_viewport_id)) {
|
|
viewport = nullptr;
|
|
}
|
|
|
|
custom_viewport = Object::cast_to<Viewport>(p_viewport);
|
|
|
|
if (custom_viewport) {
|
|
custom_viewport_id = custom_viewport->get_instance_id();
|
|
} else {
|
|
custom_viewport_id = 0;
|
|
}
|
|
|
|
if (is_inside_tree()) {
|
|
_setup_viewport();
|
|
}
|
|
}
|
|
|
|
Node *Camera2D::get_custom_viewport() const {
|
|
return custom_viewport;
|
|
}
|
|
|
|
void Camera2D::set_screen_drawing_enabled(bool enable) {
|
|
screen_drawing_enabled = enable;
|
|
#ifdef TOOLS_ENABLED
|
|
update();
|
|
#endif
|
|
}
|
|
|
|
bool Camera2D::is_screen_drawing_enabled() const {
|
|
return screen_drawing_enabled;
|
|
}
|
|
|
|
void Camera2D::set_limit_drawing_enabled(bool enable) {
|
|
limit_drawing_enabled = enable;
|
|
#ifdef TOOLS_ENABLED
|
|
update();
|
|
#endif
|
|
}
|
|
|
|
bool Camera2D::is_limit_drawing_enabled() const {
|
|
return limit_drawing_enabled;
|
|
}
|
|
|
|
void Camera2D::set_margin_drawing_enabled(bool enable) {
|
|
margin_drawing_enabled = enable;
|
|
#ifdef TOOLS_ENABLED
|
|
update();
|
|
#endif
|
|
}
|
|
|
|
bool Camera2D::is_margin_drawing_enabled() const {
|
|
return margin_drawing_enabled;
|
|
}
|
|
|
|
void Camera2D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &Camera2D::set_offset);
|
|
ClassDB::bind_method(D_METHOD("get_offset"), &Camera2D::get_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_anchor_mode", "anchor_mode"), &Camera2D::set_anchor_mode);
|
|
ClassDB::bind_method(D_METHOD("get_anchor_mode"), &Camera2D::get_anchor_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_rotating", "rotating"), &Camera2D::set_rotating);
|
|
ClassDB::bind_method(D_METHOD("is_rotating"), &Camera2D::is_rotating);
|
|
|
|
ClassDB::bind_method(D_METHOD("_update_scroll"), &Camera2D::_update_scroll);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_process_mode", "mode"), &Camera2D::set_process_mode);
|
|
ClassDB::bind_method(D_METHOD("get_process_mode"), &Camera2D::get_process_mode);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_enabled", "enabled"), &Camera2D::set_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_enabled"), &Camera2D::is_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("make_current"), &Camera2D::make_current);
|
|
ClassDB::bind_method(D_METHOD("is_current"), &Camera2D::is_current);
|
|
ClassDB::bind_method(D_METHOD("_make_current"), &Camera2D::_make_current);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_limit", "margin", "limit"), &Camera2D::set_limit);
|
|
ClassDB::bind_method(D_METHOD("get_limit", "margin"), &Camera2D::get_limit);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_limit_smoothing_enabled", "limit_smoothing_enabled"), &Camera2D::set_limit_smoothing_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_limit_smoothing_enabled"), &Camera2D::is_limit_smoothing_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_v_drag_enabled", "enabled"), &Camera2D::set_v_drag_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_v_drag_enabled"), &Camera2D::is_v_drag_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_h_drag_enabled", "enabled"), &Camera2D::set_h_drag_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_h_drag_enabled"), &Camera2D::is_h_drag_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_v_offset", "ofs"), &Camera2D::set_v_offset);
|
|
ClassDB::bind_method(D_METHOD("get_v_offset"), &Camera2D::get_v_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_h_offset", "ofs"), &Camera2D::set_h_offset);
|
|
ClassDB::bind_method(D_METHOD("get_h_offset"), &Camera2D::get_h_offset);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_drag_margin", "margin", "drag_margin"), &Camera2D::set_drag_margin);
|
|
ClassDB::bind_method(D_METHOD("get_drag_margin", "margin"), &Camera2D::get_drag_margin);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_camera_position"), &Camera2D::get_camera_position);
|
|
ClassDB::bind_method(D_METHOD("get_camera_screen_center"), &Camera2D::get_camera_screen_center);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_zoom", "zoom"), &Camera2D::set_zoom);
|
|
ClassDB::bind_method(D_METHOD("get_zoom"), &Camera2D::get_zoom);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_custom_viewport", "viewport"), &Camera2D::set_custom_viewport);
|
|
ClassDB::bind_method(D_METHOD("get_custom_viewport"), &Camera2D::get_custom_viewport);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_follow_smoothing", "follow_smoothing"), &Camera2D::set_follow_smoothing);
|
|
ClassDB::bind_method(D_METHOD("get_follow_smoothing"), &Camera2D::get_follow_smoothing);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_enable_follow_smoothing", "follow_smoothing"), &Camera2D::set_enable_follow_smoothing);
|
|
ClassDB::bind_method(D_METHOD("is_follow_smoothing_enabled"), &Camera2D::is_follow_smoothing_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("force_update_scroll"), &Camera2D::force_update_scroll);
|
|
ClassDB::bind_method(D_METHOD("reset_smoothing"), &Camera2D::reset_smoothing);
|
|
ClassDB::bind_method(D_METHOD("align"), &Camera2D::align);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_screen_drawing_enabled", "screen_drawing_enabled"), &Camera2D::set_screen_drawing_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_screen_drawing_enabled"), &Camera2D::is_screen_drawing_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_limit_drawing_enabled", "limit_drawing_enabled"), &Camera2D::set_limit_drawing_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_limit_drawing_enabled"), &Camera2D::is_limit_drawing_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_margin_drawing_enabled", "margin_drawing_enabled"), &Camera2D::set_margin_drawing_enabled);
|
|
ClassDB::bind_method(D_METHOD("is_margin_drawing_enabled"), &Camera2D::is_margin_drawing_enabled);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "anchor_mode", PROPERTY_HINT_ENUM, "Fixed TopLeft,Drag Center"), "set_anchor_mode", "get_anchor_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "rotating"), "set_rotating", "is_rotating");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "enabled"), "set_enabled", "is_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "zoom", PROPERTY_HINT_LINK), "set_zoom", "get_zoom");
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "custom_viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport", 0), "set_custom_viewport", "get_custom_viewport");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "process_mode", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_mode", "get_process_mode");
|
|
|
|
ADD_GROUP("Limit", "limit_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_left"), "set_limit", "get_limit", MARGIN_LEFT);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_top"), "set_limit", "get_limit", MARGIN_TOP);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_right"), "set_limit", "get_limit", MARGIN_RIGHT);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_bottom"), "set_limit", "get_limit", MARGIN_BOTTOM);
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "limit_smoothed"), "set_limit_smoothing_enabled", "is_limit_smoothing_enabled");
|
|
|
|
ADD_GROUP("Draw Margin", "draw_margin_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "drag_margin_h_enabled"), "set_h_drag_enabled", "is_h_drag_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "drag_margin_v_enabled"), "set_v_drag_enabled", "is_v_drag_enabled");
|
|
|
|
ADD_GROUP("Smoothing", "smoothing_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "smoothing_enabled"), "set_enable_follow_smoothing", "is_follow_smoothing_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "smoothing_speed"), "set_follow_smoothing", "get_follow_smoothing");
|
|
|
|
ADD_GROUP("Offset", "offset_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "offset_h", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_h_offset", "get_h_offset");
|
|
ADD_PROPERTY(PropertyInfo(Variant::REAL, "offset_v", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_v_offset", "get_v_offset");
|
|
|
|
ADD_GROUP("Drag Margin", "drag_margin_");
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "drag_margin_left", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", MARGIN_LEFT);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "drag_margin_top", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", MARGIN_TOP);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "drag_margin_right", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", MARGIN_RIGHT);
|
|
ADD_PROPERTYI(PropertyInfo(Variant::REAL, "drag_margin_bottom", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", MARGIN_BOTTOM);
|
|
|
|
ADD_GROUP("Editor", "editor_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_screen"), "set_screen_drawing_enabled", "is_screen_drawing_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_limits"), "set_limit_drawing_enabled", "is_limit_drawing_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_drag_margin"), "set_margin_drawing_enabled", "is_margin_drawing_enabled");
|
|
|
|
BIND_ENUM_CONSTANT(ANCHOR_MODE_FIXED_TOP_LEFT);
|
|
BIND_ENUM_CONSTANT(ANCHOR_MODE_DRAG_CENTER);
|
|
BIND_ENUM_CONSTANT(CAMERA2D_PROCESS_PHYSICS);
|
|
BIND_ENUM_CONSTANT(CAMERA2D_PROCESS_IDLE);
|
|
}
|
|
|
|
Camera2D::Camera2D() {
|
|
anchor_mode = ANCHOR_MODE_DRAG_CENTER;
|
|
rotating = false;
|
|
enabled = true;
|
|
limit[MARGIN_LEFT] = -10000000;
|
|
limit[MARGIN_TOP] = -10000000;
|
|
limit[MARGIN_RIGHT] = 10000000;
|
|
limit[MARGIN_BOTTOM] = 10000000;
|
|
|
|
drag_margin[MARGIN_LEFT] = 0.2;
|
|
drag_margin[MARGIN_TOP] = 0.2;
|
|
drag_margin[MARGIN_RIGHT] = 0.2;
|
|
drag_margin[MARGIN_BOTTOM] = 0.2;
|
|
camera_pos = Vector2();
|
|
first = true;
|
|
smoothing_enabled = false;
|
|
smoothing_active = false;
|
|
limit_smoothing_enabled = false;
|
|
|
|
viewport = nullptr;
|
|
custom_viewport = nullptr;
|
|
custom_viewport_id = 0;
|
|
process_mode = CAMERA2D_PROCESS_IDLE;
|
|
|
|
smoothing = 5.0;
|
|
zoom = Vector2(1, 1);
|
|
|
|
screen_drawing_enabled = true;
|
|
limit_drawing_enabled = false;
|
|
margin_drawing_enabled = false;
|
|
|
|
h_drag_enabled = false;
|
|
v_drag_enabled = false;
|
|
h_ofs = 0;
|
|
v_ofs = 0;
|
|
h_offset_changed = false;
|
|
v_offset_changed = false;
|
|
|
|
set_notify_transform(true);
|
|
}
|