virtualx-engine/tools/editor/plugins/sprite_region_editor_plugin.cpp
2016-01-01 11:50:53 -02:00

565 lines
17 KiB
C++

/*************************************************************************/
/* sprite_region_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* Author: Mariano Suligoy */
/* */
/* 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 "sprite_region_editor_plugin.h"
#include "scene/gui/check_box.h"
#include "os/input.h"
#include "os/keyboard.h"
void SpriteRegionEditor::_region_draw()
{
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Matrix32 mtx;
mtx.elements[2]=-draw_ofs;
mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
VS::get_singleton()->canvas_item_set_clip(edit_draw->get_canvas_item(),true);
VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),mtx);
edit_draw->draw_texture(base_tex,Point2());
VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),Matrix32());
if (snap_show_grid) {
Size2 s = edit_draw->get_size();
int last_cell;
if (snap_step.x!=0) {
for(int i=0;i<s.width;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i,0)).x-snap_offset.x)/snap_step.x));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
if (snap_step.y!=0) {
for(int i=0;i<s.height;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0,i)).y-snap_offset.y)/snap_step.y));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
}
Ref<Texture> select_handle = get_icon("EditorHandle","EditorIcons");
Rect2 scroll_rect(Point2(),mtx.basis_xform(base_tex->get_size()));
scroll_rect.expand_to(mtx.basis_xform(edit_draw->get_size()));
Vector2 endpoints[4]={
mtx.basis_xform(rect.pos),
mtx.basis_xform(rect.pos+Vector2(rect.size.x,0)),
mtx.basis_xform(rect.pos+rect.size),
mtx.basis_xform(rect.pos+Vector2(0,rect.size.y))
};
for(int i=0;i<4;i++) {
int prev = (i+3)%4;
int next = (i+1)%4;
Vector2 ofs = ((endpoints[i] - endpoints[prev]).normalized() + ((endpoints[i] - endpoints[next]).normalized())).normalized();
ofs*=1.4144*(select_handle->get_size().width/2);
edit_draw->draw_line(endpoints[i]-draw_ofs, endpoints[next]-draw_ofs, Color(0.9,0.5,0.5), 2);
edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
ofs = (endpoints[next]-endpoints[i])/2;
ofs += (endpoints[next]-endpoints[i]).tangent().normalized()*(select_handle->get_size().width/2);
edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
scroll_rect.expand_to(endpoints[i]);
}
scroll_rect=scroll_rect.grow(200);
updating_scroll=true;
hscroll->set_min(scroll_rect.pos.x);
hscroll->set_max(scroll_rect.pos.x+scroll_rect.size.x);
hscroll->set_page(edit_draw->get_size().x);
hscroll->set_val(draw_ofs.x);
hscroll->set_step(0.001);
vscroll->set_min(scroll_rect.pos.y);
vscroll->set_max(scroll_rect.pos.y+scroll_rect.size.y);
vscroll->set_page(edit_draw->get_size().y);
vscroll->set_val(draw_ofs.y);
vscroll->set_step(0.001);
updating_scroll=false;
}
void SpriteRegionEditor::_region_input(const InputEvent& p_input)
{
Matrix32 mtx;
mtx.elements[2]=-draw_ofs;
mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
Vector2 endpoints[8]={
mtx.xform(rect.pos)+Vector2(-4,-4),
mtx.xform(rect.pos+Vector2(rect.size.x/2,0))+Vector2(0,-4),
mtx.xform(rect.pos+Vector2(rect.size.x,0))+Vector2(4,-4),
mtx.xform(rect.pos+Vector2(rect.size.x,rect.size.y/2))+Vector2(4,0),
mtx.xform(rect.pos+rect.size)+Vector2(4,4),
mtx.xform(rect.pos+Vector2(rect.size.x/2,rect.size.y))+Vector2(0,4),
mtx.xform(rect.pos+Vector2(0,rect.size.y))+Vector2(-4,4),
mtx.xform(rect.pos+Vector2(0,rect.size.y/2))+Vector2(-4,0)
};
if (p_input.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb=p_input.mouse_button;
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
drag_from=mtx.affine_inverse().xform(Vector2(mb.x,mb.y));
drag_from=snap_point(drag_from);
drag=true;
rect_prev=node->get_region_rect();
drag_index=-1;
for(int i=0;i<8;i++) {
Vector2 tuv=endpoints[i];
if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
drag_index=i;
creating = false;
}
}
if (drag_index==-1) {
creating = true;
rect = Rect2(drag_from,Size2());
}
} else if (drag) {
undo_redo->create_action("Set region_rect");
undo_redo->add_do_method(node,"set_region_rect",node->get_region_rect());
undo_redo->add_undo_method(node,"set_region_rect",rect_prev);
undo_redo->add_do_method(edit_draw,"update");
undo_redo->add_undo_method(edit_draw,"update");
undo_redo->commit_action();
drag=false;
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
if (drag) {
drag=false;
node->set_region_rect(rect_prev);
rect=rect_prev;
edit_draw->update();
}
} else if (mb.button_index==BUTTON_WHEEL_UP && mb.pressed) {
zoom->set_val( zoom->get_val()/0.9 );
} else if (mb.button_index==BUTTON_WHEEL_DOWN && mb.pressed) {
zoom->set_val( zoom->get_val()*0.9);
}
} else if (p_input.type==InputEvent::MOUSE_MOTION) {
const InputEventMouseMotion &mm=p_input.mouse_motion;
if (mm.button_mask&BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 draged(mm.relative_x,mm.relative_y);
hscroll->set_val( hscroll->get_val()-draged.x );
vscroll->set_val( vscroll->get_val()-draged.y );
} else if (drag) {
Vector2 new_pos = mtx.affine_inverse().xform(Vector2(mm.x,mm.y));
new_pos = snap_point(new_pos);
if (creating) {
rect = Rect2(drag_from,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
edit_draw->update();
return;
}
switch(drag_index) {
case 0: {
Vector2 p=rect_prev.pos+rect_prev.size;
rect = Rect2(p,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 1: {
Vector2 p=rect_prev.pos+Vector2(0,rect_prev.size.y);
rect = Rect2(p,Size2(rect_prev.size.x,0));
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 2: {
Vector2 p=rect_prev.pos+Vector2(0,rect_prev.size.y);
rect = Rect2(p,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 3: {
Vector2 p=rect_prev.pos;
rect = Rect2(p,Size2(0,rect_prev.size.y));
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 4: {
Vector2 p=rect_prev.pos;
rect = Rect2(p,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 5: {
Vector2 p=rect_prev.pos;
rect = Rect2(p,Size2(rect_prev.size.x,0));
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 6: {
Vector2 p=rect_prev.pos+Vector2(rect_prev.size.x,0);
rect = Rect2(p,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
case 7: {
Vector2 p=rect_prev.pos+Vector2(rect_prev.size.x,0);
rect = Rect2(p,Size2(0,rect_prev.size.y));
rect.expand_to(new_pos);
node->set_region_rect(rect);
} break;
}
edit_draw->update();
}
}
}
void SpriteRegionEditor::_scroll_changed(float)
{
if (updating_scroll)
return;
draw_ofs.x=hscroll->get_val();
draw_ofs.y=vscroll->get_val();
draw_zoom=zoom->get_val();
print_line("_scroll_changed");
edit_draw->update();
}
void SpriteRegionEditor::_set_use_snap(bool p_use)
{
use_snap=p_use;
}
void SpriteRegionEditor::_set_show_grid(bool p_show)
{
snap_show_grid=p_show;
edit_draw->update();
}
void SpriteRegionEditor::_set_snap_off_x(float p_val)
{
snap_offset.x=p_val;
edit_draw->update();
}
void SpriteRegionEditor::_set_snap_off_y(float p_val)
{
snap_offset.y=p_val;
edit_draw->update();
}
void SpriteRegionEditor::_set_snap_step_x(float p_val)
{
snap_step.x=p_val;
edit_draw->update();
}
void SpriteRegionEditor::_set_snap_step_y(float p_val)
{
snap_step.y=p_val;
edit_draw->update();
}
void SpriteRegionEditor::_notification(int p_what)
{
switch(p_what) {
case NOTIFICATION_READY: {
edit_node->set_icon( get_icon("RegionEdit","EditorIcons"));
b_snap_grid->set_icon( get_icon("Grid", "EditorIcons"));
b_snap_enable->set_icon( get_icon("Snap", "EditorIcons"));
icon_zoom->set_texture( get_icon("Zoom", "EditorIcons"));
} break;
}
}
void SpriteRegionEditor::_node_removed(Node *p_node)
{
if(p_node==node) {
node=NULL;
hide();
}
}
void SpriteRegionEditor::_bind_methods()
{
ObjectTypeDB::bind_method(_MD("_edit_node"),&SpriteRegionEditor::_edit_node);
ObjectTypeDB::bind_method(_MD("_region_draw"),&SpriteRegionEditor::_region_draw);
ObjectTypeDB::bind_method(_MD("_region_input"),&SpriteRegionEditor::_region_input);
ObjectTypeDB::bind_method(_MD("_scroll_changed"),&SpriteRegionEditor::_scroll_changed);
ObjectTypeDB::bind_method(_MD("_node_removed"),&SpriteRegionEditor::_node_removed);
ObjectTypeDB::bind_method(_MD("_set_use_snap"),&SpriteRegionEditor::_set_use_snap);
ObjectTypeDB::bind_method(_MD("_set_show_grid"),&SpriteRegionEditor::_set_show_grid);
ObjectTypeDB::bind_method(_MD("_set_snap_off_x"),&SpriteRegionEditor::_set_snap_off_x);
ObjectTypeDB::bind_method(_MD("_set_snap_off_y"),&SpriteRegionEditor::_set_snap_off_y);
ObjectTypeDB::bind_method(_MD("_set_snap_step_x"),&SpriteRegionEditor::_set_snap_step_x);
ObjectTypeDB::bind_method(_MD("_set_snap_step_y"),&SpriteRegionEditor::_set_snap_step_y);
}
void SpriteRegionEditor::edit(Node *p_sprite)
{
if (p_sprite) {
node=p_sprite->cast_to<Sprite>();
node->connect("exit_tree",this,"_node_removed",varray(),CONNECT_ONESHOT);
} else {
if (node)
node->disconnect("exit_tree",this,"_node_removed");
node=NULL;
}
}
void SpriteRegionEditor::_edit_node()
{
if (node->get_texture().is_null()) {
error->set_text("No texture in this sprite.\nSet a texture to be able to edit Region.");
error->popup_centered_minsize();
return;
}
rect=node->get_region_rect();
dlg_editor->popup_centered_ratio(0.85);
}
inline float _snap_scalar(float p_offset, float p_step, float p_target) {
return p_step != 0 ? Math::stepify(p_target - p_offset, p_step) + p_offset : p_target;
}
Vector2 SpriteRegionEditor::snap_point(Vector2 p_target) const {
if (use_snap) {
p_target.x = _snap_scalar(snap_offset.x, snap_step.x, p_target.x);
p_target.y = _snap_scalar(snap_offset.y, snap_step.y, p_target.y);
}
p_target = p_target.snapped(Size2(1, 1));
return p_target;
}
SpriteRegionEditor::SpriteRegionEditor(EditorNode* p_editor)
{
node=NULL;
editor=p_editor;
undo_redo = editor->get_undo_redo();
snap_step=Vector2(10,10);
use_snap=false;
snap_show_grid=false;
add_child( memnew( VSeparator ));
edit_node = memnew( ToolButton );
add_child(edit_node);
edit_node->connect("pressed",this,"_edit_node");
dlg_editor = memnew( AcceptDialog );
add_child(dlg_editor);
dlg_editor->set_title("Sprite Region Editor");
dlg_editor->set_self_opacity(0.9);
VBoxContainer *main_vb = memnew( VBoxContainer );
dlg_editor->add_child(main_vb);
dlg_editor->set_child_rect(main_vb);
HBoxContainer *hb_tools = memnew( HBoxContainer );
main_vb->add_child(hb_tools);
b_snap_enable = memnew( ToolButton );
hb_tools->add_child(b_snap_enable);
b_snap_enable->set_text("Snap");
b_snap_enable->set_focus_mode(FOCUS_NONE);
b_snap_enable->set_toggle_mode(true);
b_snap_enable->set_pressed(use_snap);
b_snap_enable->set_tooltip("Enable Snap");
b_snap_enable->connect("toggled",this,"_set_use_snap");
b_snap_grid = memnew( ToolButton );
hb_tools->add_child(b_snap_grid);
b_snap_grid->set_text("Grid");
b_snap_grid->set_focus_mode(FOCUS_NONE);
b_snap_grid->set_toggle_mode(true);
b_snap_grid->set_pressed(snap_show_grid);
b_snap_grid->set_tooltip("Show Grid");
b_snap_grid->connect("toggled",this,"_set_show_grid");
hb_tools->add_child( memnew( VSeparator ));
hb_tools->add_child( memnew( Label("Grid Offset:") ) );
SpinBox *sb_off_x = memnew( SpinBox );
sb_off_x->set_min(-256);
sb_off_x->set_max(256);
sb_off_x->set_step(1);
sb_off_x->set_val(snap_offset.x);
sb_off_x->set_suffix("px");
sb_off_x->connect("value_changed", this, "_set_snap_off_x");
hb_tools->add_child(sb_off_x);
SpinBox *sb_off_y = memnew( SpinBox );
sb_off_y->set_min(-256);
sb_off_y->set_max(256);
sb_off_y->set_step(1);
sb_off_y->set_val(snap_offset.y);
sb_off_y->set_suffix("px");
sb_off_y->connect("value_changed", this, "_set_snap_off_y");
hb_tools->add_child(sb_off_y);
hb_tools->add_child( memnew( VSeparator ));
hb_tools->add_child( memnew( Label("Grid Step:") ) );
SpinBox *sb_step_x = memnew( SpinBox );
sb_step_x->set_min(-256);
sb_step_x->set_max(256);
sb_step_x->set_step(1);
sb_step_x->set_val(snap_step.x);
sb_step_x->set_suffix("px");
sb_step_x->connect("value_changed", this, "_set_snap_step_x");
hb_tools->add_child(sb_step_x);
SpinBox *sb_step_y = memnew( SpinBox );
sb_step_y->set_min(-256);
sb_step_y->set_max(256);
sb_step_y->set_step(1);
sb_step_y->set_val(snap_step.y);
sb_step_y->set_suffix("px");
sb_step_y->connect("value_changed", this, "_set_snap_step_y");
hb_tools->add_child(sb_step_y);
// MARIANOGNU::TODO: Add more tools?
HBoxContainer *main_hb = memnew( HBoxContainer );
main_vb->add_child(main_hb);
edit_draw = memnew( Control );
main_hb->add_child(edit_draw);
main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
edit_draw->set_h_size_flags(SIZE_EXPAND_FILL);
hb_tools->add_child( memnew( VSeparator ));
icon_zoom = memnew( TextureFrame );
hb_tools->add_child(icon_zoom);
zoom = memnew( HSlider );
zoom->set_min(0.01);
zoom->set_max(4);
zoom->set_val(1);
zoom->set_step(0.01);
hb_tools->add_child(zoom);
zoom->set_custom_minimum_size(Size2(200,0));
zoom_value = memnew( SpinBox );
zoom->share(zoom_value);
zoom_value->set_custom_minimum_size(Size2(50,0));
hb_tools->add_child(zoom_value);
zoom->connect("value_changed",this,"_scroll_changed");
vscroll = memnew( VScrollBar);
main_hb->add_child(vscroll);
vscroll->connect("value_changed",this,"_scroll_changed");
hscroll = memnew( HScrollBar );
main_vb->add_child(hscroll);
hscroll->connect("value_changed",this,"_scroll_changed");
edit_draw->connect("draw",this,"_region_draw");
edit_draw->connect("input_event",this,"_region_input");
draw_zoom=1.0;
updating_scroll=false;
error = memnew( AcceptDialog);
add_child(error);
}
void SpriteRegionEditorPlugin::edit(Object *p_node)
{
region_editor->edit(p_node->cast_to<Node>());
}
bool SpriteRegionEditorPlugin::handles(Object *p_node) const
{
return p_node->is_type("Sprite");
}
void SpriteRegionEditorPlugin::make_visible(bool p_visible)
{
if (p_visible) {
region_editor->show();
} else {
region_editor->hide();
region_editor->edit(NULL);
}
}
SpriteRegionEditorPlugin::SpriteRegionEditorPlugin(EditorNode *p_node)
{
editor = p_node;
region_editor= memnew ( SpriteRegionEditor(p_node) );
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(region_editor);
region_editor->hide();
}