diff options
Diffstat (limited to 'scene/2d/camera_2d.cpp')
| -rw-r--r-- | scene/2d/camera_2d.cpp | 484 |
1 files changed, 484 insertions, 0 deletions
diff --git a/scene/2d/camera_2d.cpp b/scene/2d/camera_2d.cpp new file mode 100644 index 000000000..1920ce008 --- /dev/null +++ b/scene/2d/camera_2d.cpp @@ -0,0 +1,484 @@ +/*************************************************************************/ +/* camera_2d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 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 "camera_2d.h"
+#include "scene/scene_string_names.h"
+#include "servers/visual_server.h"
+
+void Camera2D::_update_scroll() {
+
+
+ if (!is_inside_scene())
+ return;
+
+ if (get_scene()->is_editor_hint()) {
+ update(); //will just be drawn
+ return;
+ }
+
+ if (current) {
+ Matrix32 xform = get_camera_transform();
+
+ RID vp = viewport->get_viewport();
+ if (viewport) {
+ viewport->set_canvas_transform( xform );
+ }
+ get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,group_name,"_camera_moved",xform);
+ };
+
+}
+
+void Camera2D::set_zoom(const Vector2 &p_zoom) {
+
+ zoom = p_zoom;
+ _update_scroll();
+};
+
+Vector2 Camera2D::get_zoom() const {
+
+ return zoom;
+};
+
+
+Matrix32 Camera2D::get_camera_transform() {
+
+ if (!get_scene())
+ return Matrix32();
+
+ Size2 screen_size = get_viewport_rect().size;
+ screen_size=get_viewport_rect().size;
+
+
+ Point2 new_camera_pos = get_global_transform().get_origin();
+ Point2 ret_camera_pos;
+
+ if (!first) {
+
+
+ if (centered) {
+
+ if (h_drag_enabled) {
+ camera_pos.x = MIN( camera_pos.x, (new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT]));
+ camera_pos.x = MAX( camera_pos.x, (new_camera_pos.x - screen_size.x * 0.5 * drag_margin[MARGIN_LEFT]));
+ } else {
+
+ if (h_ofs<0) {
+ camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_RIGHT] * h_ofs;
+ } else {
+ camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[MARGIN_LEFT] * h_ofs;
+ }
+ }
+
+ if (v_drag_enabled) {
+
+ camera_pos.y = MIN( camera_pos.y, (new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM]));
+ camera_pos.y = MAX( camera_pos.y, (new_camera_pos.y - screen_size.y * 0.5 * drag_margin[MARGIN_TOP]));
+
+ } else {
+
+ if (v_ofs<0) {
+ camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_TOP] * v_ofs;
+ } else {
+ camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM] * v_ofs;
+ }
+ }
+
+ }
+
+
+ if (smoothing>0.0) {
+
+ float c = smoothing*get_fixed_process_delta_time();
+ smoothed_camera_pos = ((new_camera_pos-smoothed_camera_pos)*c)+smoothed_camera_pos;
+ ret_camera_pos=smoothed_camera_pos;
+// camera_pos=camera_pos*(1.0-smoothing)+new_camera_pos*smoothing;
+ } else {
+
+ ret_camera_pos=smoothed_camera_pos=camera_pos;
+
+ }
+
+
+
+ } else {
+ ret_camera_pos=smoothed_camera_pos=camera_pos=new_camera_pos;
+ first=false;
+ }
+
+
+ Point2 screen_offset = (centered ? (screen_size * 0.5 * zoom) : Point2());;
+ screen_offset+=offset;
+
+ Rect2 screen_rect(-screen_offset+ret_camera_pos,screen_size);
+ if (screen_rect.pos.x + screen_rect.size.x > limit[MARGIN_RIGHT])
+ screen_rect.pos.x = limit[MARGIN_RIGHT] - screen_rect.size.x;
+
+ if (screen_rect.pos.y + screen_rect.size.y > limit[MARGIN_BOTTOM])
+ screen_rect.pos.y = limit[MARGIN_BOTTOM] - screen_rect.size.y;
+
+
+ if (screen_rect.pos.x < limit[MARGIN_LEFT])
+ screen_rect.pos.x=limit[MARGIN_LEFT];
+
+ if (screen_rect.pos.y < limit[MARGIN_TOP])
+ screen_rect.pos.y =limit[MARGIN_TOP];
+
+ camera_screen_center=screen_rect.pos+screen_rect.size*0.5;
+
+ Matrix32 xform;
+ xform.scale_basis(zoom);
+ xform.set_origin(screen_rect.pos/*.floor()*/);
+
+
+/*
+ if (0) {
+
+ xform = get_global_transform() * xform;
+ } else {
+
+ xform.elements[2]+=get_global_transform().get_origin();
+ }
+*/
+
+
+ return (xform).affine_inverse();
+}
+
+
+
+void Camera2D::_notification(int p_what) {
+
+ switch(p_what) {
+
+ case NOTIFICATION_FIXED_PROCESS: {
+
+ _update_scroll();
+
+ } break;
+ case NOTIFICATION_TRANSFORM_CHANGED: {
+
+
+ if (!is_fixed_processing())
+ _update_scroll();
+
+ } break;
+ case NOTIFICATION_ENTER_SCENE: {
+
+ viewport = NULL;
+ Node *n=this;
+ while(n){
+
+ viewport = n->cast_to<Viewport>();
+ if (viewport)
+ break;
+ n=n->get_parent();
+ }
+
+ canvas = get_canvas();
+
+ RID vp = viewport->get_viewport();
+
+ group_name = "__cameras_"+itos(vp.get_id());
+ canvas_group_name ="__cameras_c"+itos(canvas.get_id());
+ add_to_group(group_name);
+ add_to_group(canvas_group_name);
+
+ _update_scroll();
+ first=true;
+
+
+ } break;
+ case NOTIFICATION_EXIT_SCENE: {
+
+ if (is_current()) {
+ if (viewport) {
+ viewport->set_canvas_transform( Matrix32() );
+ }
+ }
+ remove_from_group(group_name);
+ remove_from_group(canvas_group_name);
+ viewport=NULL;
+
+ } break;
+ }
+}
+
+void Camera2D::set_offset(const Vector2& p_offset) {
+
+ offset=p_offset;
+ _update_scroll();
+
+}
+
+Vector2 Camera2D::get_offset() const{
+
+ return offset;
+}
+
+void Camera2D::set_centered(bool p_centered){
+
+ centered=p_centered;
+ _update_scroll();
+}
+
+bool Camera2D::is_centered() const {
+
+ return centered;
+}
+
+
+void Camera2D::_make_current(Object *p_which) {
+
+ if (p_which==this) {
+
+ current=true;
+ _update_scroll();
+ } else {
+ current=false;
+ }
+}
+
+
+void Camera2D::_set_current(bool p_current) {
+
+ if (p_current)
+ make_current();
+
+ current=p_current;
+}
+
+bool Camera2D::is_current() const {
+
+ return current;
+}
+
+void Camera2D::make_current() {
+
+ if (!is_inside_scene()) {
+ current=true;
+ } else {
+ get_scene()->call_group(SceneMainLoop::GROUP_CALL_REALTIME,group_name,"_make_current",this);
+ }
+}
+
+void Camera2D::set_limit(Margin p_margin,int p_limit) {
+
+ ERR_FAIL_INDEX(p_margin,4);
+ limit[p_margin]=p_limit;
+}
+
+int Camera2D::get_limit(Margin p_margin) const{
+
+ ERR_FAIL_INDEX_V(p_margin,4,0);
+ return limit[p_margin];
+
+}
+
+void Camera2D::set_drag_margin(Margin p_margin,float p_drag_margin) {
+
+ ERR_FAIL_INDEX(p_margin,4);
+ drag_margin[p_margin]=p_drag_margin;
+}
+
+float Camera2D::get_drag_margin(Margin p_margin) const{
+
+ ERR_FAIL_INDEX_V(p_margin,4,0);
+ return drag_margin[p_margin];
+
+}
+
+
+Vector2 Camera2D::get_camera_pos() const {
+
+
+ return camera_pos;
+}
+
+void Camera2D::force_update_scroll() {
+
+
+ _update_scroll();
+}
+
+
+void Camera2D::set_follow_smoothing(float p_speed) {
+
+ smoothing=p_speed;
+ if (smoothing>0)
+ set_fixed_process(true);
+ else
+ set_fixed_process(false);
+}
+
+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;
+}
+
+float Camera2D::get_v_offset() const{
+
+ return v_ofs;
+}
+
+void Camera2D::set_h_offset(float p_offset){
+
+ h_ofs=p_offset;
+}
+float Camera2D::get_h_offset() const{
+
+ return h_ofs;
+}
+
+
+void Camera2D::_bind_methods() {
+
+ ObjectTypeDB::bind_method(_MD("set_offset","offset"),&Camera2D::set_offset);
+ ObjectTypeDB::bind_method(_MD("get_offset"),&Camera2D::get_offset);
+
+ ObjectTypeDB::bind_method(_MD("set_centered","centered"),&Camera2D::set_centered);
+ ObjectTypeDB::bind_method(_MD("is_centered"),&Camera2D::is_centered);
+
+ ObjectTypeDB::bind_method(_MD("make_current"),&Camera2D::make_current);
+ ObjectTypeDB::bind_method(_MD("_make_current"),&Camera2D::_make_current);
+
+ ObjectTypeDB::bind_method(_MD("_update_scroll"),&Camera2D::_update_scroll);
+
+
+ ObjectTypeDB::bind_method(_MD("_set_current","current"),&Camera2D::_set_current);
+ ObjectTypeDB::bind_method(_MD("is_current"),&Camera2D::is_current);
+
+ ObjectTypeDB::bind_method(_MD("set_limit","margin","limit"),&Camera2D::set_limit);
+ ObjectTypeDB::bind_method(_MD("get_limit","margin"),&Camera2D::get_limit);
+
+ ObjectTypeDB::bind_method(_MD("set_v_drag_enabled","enabled"),&Camera2D::set_v_drag_enabled);
+ ObjectTypeDB::bind_method(_MD("is_v_drag_enabled"),&Camera2D::is_v_drag_enabled);
+
+ ObjectTypeDB::bind_method(_MD("set_h_drag_enabled","enabled"),&Camera2D::set_h_drag_enabled);
+ ObjectTypeDB::bind_method(_MD("is_h_drag_enabled"),&Camera2D::is_h_drag_enabled);
+
+ ObjectTypeDB::bind_method(_MD("set_v_offset","ofs"),&Camera2D::set_v_offset);
+ ObjectTypeDB::bind_method(_MD("get_v_offset"),&Camera2D::get_v_offset);
+
+ ObjectTypeDB::bind_method(_MD("set_h_offset","ofs"),&Camera2D::set_h_offset);
+ ObjectTypeDB::bind_method(_MD("get_h_offset"),&Camera2D::get_h_offset);
+
+ ObjectTypeDB::bind_method(_MD("set_drag_margin","margin","drag_margin"),&Camera2D::set_drag_margin);
+ ObjectTypeDB::bind_method(_MD("get_drag_margin","margin"),&Camera2D::get_drag_margin);
+
+ ObjectTypeDB::bind_method(_MD("get_camera_pos"),&Camera2D::get_camera_pos);
+ ObjectTypeDB::bind_method(_MD("get_camera_screen_center"),&Camera2D::get_camera_screen_center);
+
+ ObjectTypeDB::bind_method(_MD("set_zoom"),&Camera2D::set_zoom);
+ ObjectTypeDB::bind_method(_MD("get_zoom"),&Camera2D::get_zoom);
+
+
+ ObjectTypeDB::bind_method(_MD("set_follow_smoothing","follow_smoothing"),&Camera2D::set_follow_smoothing);
+ ObjectTypeDB::bind_method(_MD("get_follow_smoothing"),&Camera2D::get_follow_smoothing);
+
+ ObjectTypeDB::bind_method(_MD("force_update_scroll"),&Camera2D::force_update_scroll);
+
+
+ ADD_PROPERTYNZ( PropertyInfo(Variant::VECTOR2,"offset"),_SCS("set_offset"),_SCS("get_offset"));
+ ADD_PROPERTY( PropertyInfo(Variant::BOOL,"centered"),_SCS("set_centered"),_SCS("is_centered"));
+ ADD_PROPERTY( PropertyInfo(Variant::BOOL,"current"),_SCS("_set_current"),_SCS("is_current"));
+ ADD_PROPERTY( PropertyInfo(Variant::REAL,"smoothing"),_SCS("set_follow_smoothing"),_SCS("get_follow_smoothing") );
+ ADD_PROPERTY( PropertyInfo(Variant::VECTOR2,"zoom"),_SCS("set_zoom"),_SCS("get_zoom") );
+
+ ADD_PROPERTYI( PropertyInfo(Variant::INT,"limit/left"),_SCS("set_limit"),_SCS("get_limit"),MARGIN_LEFT);
+ ADD_PROPERTYI( PropertyInfo(Variant::INT,"limit/top"),_SCS("set_limit"),_SCS("get_limit"),MARGIN_TOP);
+ ADD_PROPERTYI( PropertyInfo(Variant::INT,"limit/right"),_SCS("set_limit"),_SCS("get_limit"),MARGIN_RIGHT);
+ ADD_PROPERTYI( PropertyInfo(Variant::INT,"limit/bottom"),_SCS("set_limit"),_SCS("get_limit"),MARGIN_BOTTOM);
+
+ ADD_PROPERTY( PropertyInfo(Variant::BOOL,"drag_margin/h_enabled"),_SCS("set_h_drag_enabled"),_SCS("is_h_drag_enabled") );
+ ADD_PROPERTY( PropertyInfo(Variant::BOOL,"drag_margin/v_enabled"),_SCS("set_v_drag_enabled"),_SCS("is_v_drag_enabled") );
+
+ ADD_PROPERTYI( PropertyInfo(Variant::REAL,"drag_margin/left",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_drag_margin"),_SCS("get_drag_margin"),MARGIN_LEFT);
+ ADD_PROPERTYI( PropertyInfo(Variant::REAL,"drag_margin/top",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_drag_margin"),_SCS("get_drag_margin"),MARGIN_TOP);
+ ADD_PROPERTYI( PropertyInfo(Variant::REAL,"drag_margin/right",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_drag_margin"),_SCS("get_drag_margin"),MARGIN_RIGHT);
+ ADD_PROPERTYI( PropertyInfo(Variant::REAL,"drag_margin/bottom",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_drag_margin"),_SCS("get_drag_margin"),MARGIN_BOTTOM);
+
+
+
+}
+
+Camera2D::Camera2D() {
+
+
+
+ centered=true;
+ current=false;
+ 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();
+
+ smoothing=0.0;
+ zoom = Vector2(1, 1);
+
+ h_drag_enabled=true;
+ v_drag_enabled=true;
+ h_ofs=0;
+ v_ofs=0;
+
+}
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