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godot/tools/editor/plugins/tile_map_editor_plugin.cpp

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/*************************************************************************/
/* tile_map_editor_plugin.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 "tile_map_editor_plugin.h"
#include "tools/editor/editor_node.h"
#include "os/keyboard.h"
#include "canvas_item_editor_plugin.h"
#include "os/file_access.h"
#include "tools/editor/editor_settings.h"
#include "os/input.h"
void TileMapEditor::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_READY: {
pane_drag->connect("dragged", this,"_pane_drag");
mirror_x->set_icon( get_icon("MirrorX","EditorIcons"));
mirror_y->set_icon( get_icon("MirrorY","EditorIcons"));
} break;
}
}
void TileMapEditor::_canvas_mouse_enter() {
mouse_over=true;
canvas_item_editor->update();
}
void TileMapEditor::_canvas_mouse_exit() {
mouse_over=false;
canvas_item_editor->update();
}
int TileMapEditor::get_selected_tile() const {
TreeItem *item = palette->get_selected();
if (!item)
return TileMap::INVALID_CELL;
return item->get_metadata(0);
}
void TileMapEditor::_set_cell(const Point2i& p_pos,int p_value,bool p_flip_h, bool p_flip_v) {
ERR_FAIL_COND(!node);
bool prev_flip_h=node->is_cell_x_flipped(p_pos.x,p_pos.y);
bool prev_flip_v=node->is_cell_y_flipped(p_pos.x,p_pos.y);
int prev_val=node->get_cell(p_pos.x,p_pos.y);
if (p_value==prev_val && p_flip_h==prev_flip_h && p_flip_v==prev_flip_v)
return; //check that it's actually different
node->set_cell(p_pos.x,p_pos.y,p_value,p_flip_h,p_flip_v);
#if 0
//not yet
undo_redo->create_action("Set Tile");
undo_redo->add_do_method(node,"set_cell",p_pos.x,p_pos.y,p_value,p_flip_h,p_flip_v);
undo_redo->add_undo_method(node,"set_cell",p_pos.x,p_pos.y,prev_val,prev_flip_h,prev_flip_v);
undo_redo->commit_action();
#endif
}
void TileMapEditor::_update_palette() {
if (!node)
return;
palette->clear();;
Ref<TileSet> tileset=node->get_tileset();
if (!tileset.is_valid())
return;
TreeItem *root = palette->create_item();
palette->set_hide_root(true);
List<int> tiles;
tileset->get_tile_list(&tiles);
for(List<int>::Element *E=tiles.front();E;E=E->next()) {
TreeItem *tile = palette->create_item(root);
tile->set_icon_max_width(0,64);
Ref<Texture> tex = tileset->tile_get_texture(E->get());
if (tex.is_valid()) {
tile->set_icon(0,tex);
Rect2 region = tileset->tile_get_region(E->get());
if (region!=Rect2())
tile->set_icon_region(0,region);
} else if (tileset->tile_get_name(E->get())!="")
tile->set_text(0,tileset->tile_get_name(E->get()));
else
tile->set_text(0,"#"+itos(E->get()));
tile->set_metadata(0,E->get());
}
}
void TileMapEditor::_node_removed(Node *p_node) {
if(p_node==node) {
node=NULL;
hide();
}
}
void TileMapEditor::_menu_option(int p_option) {
switch(p_option) {
}
}
struct _TileMapEditorCopyData {
Point2i pos;
int cell;
bool flip_h;
bool flip_v;
};
bool TileMapEditor::forward_input_event(const InputEvent& p_event) {
if (!node || !node->get_tileset().is_valid())
return false;
Matrix32 xform = CanvasItemEditor::get_singleton()->get_canvas_transform() * node->get_global_transform();
Matrix32 xform_inv = xform.affine_inverse();
Vector2 snap = Vector2(1,1)*node->get_cell_size();
switch(p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &mb=p_event.mouse_button;
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed && tool==TOOL_DUPLICATING) {
List<_TileMapEditorCopyData> dupdata;
Point2 ofs = over_tile-selection.pos;
for(int i=selection.pos.y;i<=selection.pos.y+selection.size.y;i++) {
for(int j=selection.pos.x;j<=selection.pos.x+selection.size.x;j++) {
_TileMapEditorCopyData tcd;
tcd.pos=Point2i(j,i);
tcd.cell=node->get_cell(j,i);
tcd.flip_h=node->is_cell_x_flipped(j,i);
tcd.flip_v=node->is_cell_y_flipped(j,i);
dupdata.push_back(tcd);
}
}
for (List<_TileMapEditorCopyData>::Element *E=dupdata.front();E;E=E->next()) {
_set_cell(E->get().pos+ofs,E->get().cell,E->get().flip_h,E->get().flip_v);
}
tool=TOOL_NONE;
canvas_item_editor->update();
selection.pos=over_tile;
} else if (mb.pressed && tool==TOOL_NONE) {
if (Input::get_singleton()->is_key_pressed(KEY_SPACE))
return false; //drag
if (mb.mod.shift) {
tool=TOOL_SELECTING;
selection_begin =(xform_inv.xform(Point2(mb.x,mb.y))/snap).floor();
selection.pos=selection_begin;
selection.size=Point2(0,0);
selection_active=true;
canvas_item_editor->update();
return true;
} else {
int id = get_selected_tile();
if (id!=TileMap::INVALID_CELL) {
tool=TOOL_PAINTING;
Point2i local =(xform_inv.xform(Point2(mb.x,mb.y))/snap).floor();
paint_undo.clear();
CellOp op;
op.idx = node->get_cell(local.x,local.y);
if (op.idx>=0) {
if (node->is_cell_x_flipped(local.x,local.y))
op.xf=true;
if (node->is_cell_y_flipped(local.x,local.y))
op.yf=true;
}
paint_undo[local]=op;
node->set_cell(local.x,local.y,id,mirror_x->is_pressed(),mirror_y->is_pressed());
return true;
}
}
} else {
if (tool==TOOL_PAINTING || tool == TOOL_SELECTING) {
if (tool==TOOL_PAINTING) {
if (paint_undo.size()) {
undo_redo->create_action("Paint TileMap");
for(Map<Point2i,CellOp>::Element *E=paint_undo.front();E;E=E->next()) {
Point2i p=E->key();
undo_redo->add_do_method(node,"set_cell",p.x,p.y,node->get_cell(p.x,p.y),node->is_cell_x_flipped(p.x,p.y),node->is_cell_y_flipped(p.x,p.y));
undo_redo->add_undo_method(node,"set_cell",p.x,p.y,E->get().idx,E->get().xf,E->get().yf);
}
undo_redo->commit_action();
}
}
tool=TOOL_NONE;
return true;
}
}
}
if (mb.button_index==BUTTON_RIGHT) {
if (mb.pressed && tool==TOOL_DUPLICATING) {
tool=TOOL_NONE;
canvas_item_editor->update();
} else if (mb.pressed && tool==TOOL_NONE) {
tool=TOOL_ERASING;
Point2i local =(xform_inv.xform(Point2(mb.x,mb.y))/snap).floor();
_set_cell(local,TileMap::INVALID_CELL);
return true;
} else {
if (tool==TOOL_ERASING) {
tool=TOOL_NONE;
return true;
}
}
}
} break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion &mm=p_event.mouse_motion;
Point2i new_over_tile = (xform_inv.xform(Point2(mm.x,mm.y))/snap).floor();
if (new_over_tile!=over_tile) {
over_tile=new_over_tile;
canvas_item_editor->update();
}
if (tool==TOOL_PAINTING) {
int id = get_selected_tile();
if (id!=TileMap::INVALID_CELL) {
if (!paint_undo.has(over_tile)) {
CellOp op;
op.idx = node->get_cell(over_tile.x,over_tile.y);
if (op.idx>=0) {
if (node->is_cell_x_flipped(over_tile.x,over_tile.y))
op.xf=true;
if (node->is_cell_y_flipped(over_tile.x,over_tile.y))
op.yf=true;
}
paint_undo[over_tile]=op;
}
node->set_cell(over_tile.x,over_tile.y,id,mirror_x->is_pressed(),mirror_y->is_pressed());
return true;
}
}
if (tool==TOOL_SELECTING) {
Point2i begin=selection_begin;
Point2i end =over_tile;
if (begin.x > end.x) {
SWAP( begin.x, end.x);
}
if (begin.y > end.y) {
SWAP( begin.y, end.y);
}
selection.pos=begin;
selection.size=end-begin;
canvas_item_editor->update();
return true;
}
if (tool==TOOL_ERASING) {
Point2i local =over_tile;
_set_cell(local,TileMap::INVALID_CELL);
return true;
}
} break;
case InputEvent::KEY: {
const InputEventKey &k = p_event.key;
if (!node)
break;
if (k.pressed && k.scancode==KEY_DELETE && selection_active && tool==TOOL_NONE) {
for(int i=selection.pos.y;i<=selection.pos.y+selection.size.y;i++) {
for(int j=selection.pos.x;j<=selection.pos.x+selection.size.x;j++) {
_set_cell(Point2i(j,i),TileMap::INVALID_CELL);
}
}
selection_active=false;
canvas_item_editor->update();
return true;
}
if (mouse_over && k.pressed && k.scancode==KEY_A && tool==TOOL_NONE) {
/*int cell = node->get_cell(over_tile.x,over_tile.y);
if (cell!=TileMap::INVALID_CELL) {
bool flip_h = node->is_cell_x_flipped(over_tile.x,over_tile.y);
bool flip_v = node->is_cell_y_flipped(over_tile.x,over_tile.y);
_set_cell(over_tile,cell,!flip_h,flip_v);
}*/
mirror_x->set_pressed( ! mirror_x->is_pressed() );
canvas_item_editor->update();
return true;
}
if (mouse_over && k.pressed && k.scancode==KEY_S && tool==TOOL_NONE) {
/*
int cell = node->get_cell(over_tile.x,over_tile.y);
if (cell!=TileMap::INVALID_CELL) {
bool flip_h = node->is_cell_x_flipped(over_tile.x,over_tile.y);
bool flip_v = node->is_cell_y_flipped(over_tile.x,over_tile.y);
_set_cell(over_tile,cell,flip_h,!flip_v);
}*/
mirror_y->set_pressed( ! mirror_y->is_pressed() );
canvas_item_editor->update();
return true;
}
if (mouse_over && selection_active && k.pressed && k.mod.command && k.scancode==KEY_D && tool==TOOL_NONE) {
tool=TOOL_DUPLICATING;
canvas_item_editor->update();
return true;
}
} break;
}
return false;
}
void TileMapEditor::_canvas_draw() {
if (!node)
return;
int cell_size=node->get_cell_size();
Matrix32 xform = CanvasItemEditor::get_singleton()->get_canvas_transform() * node->get_global_transform();
Matrix32 xform_inv = xform.affine_inverse();
Size2 screen_size=canvas_item_editor->get_size();
Rect2 aabb;
aabb.pos=xform_inv.xform(Vector2());
aabb.expand_to(xform_inv.xform(Vector2(0,screen_size.height)));
aabb.expand_to(xform_inv.xform(Vector2(screen_size.width,0)));
aabb.expand_to(xform_inv.xform(screen_size));
Rect2i si=aabb;
for(int i=(si.pos.x/cell_size)-1;i<=(si.pos.x+si.size.x)/cell_size;i++) {
int ofs = i*cell_size;
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(xform.xform(Point2(ofs,si.pos.y)),xform.xform(Point2(ofs,si.pos.y+si.size.y)),col,1);
}
for(int i=(si.pos.y/cell_size)-1;i<=(si.pos.y+si.size.y)/cell_size;i++) {
int ofs = i*cell_size;
Color col=i==0?Color(1,0.8,0.2,0.5):Color(1,0.3,0.1,0.2);
canvas_item_editor->draw_line(xform.xform(Point2(si.pos.x,ofs)),xform.xform(Point2(si.pos.x+si.size.x,ofs)),col,1);
}
if (selection_active) {
Vector<Vector2> points;
points.push_back( xform.xform( selection.pos * cell_size) );
points.push_back( xform.xform( (selection.pos+Point2(selection.size.x+1,0)) * cell_size) );
points.push_back( xform.xform( (selection.pos+Point2(selection.size.x+1,selection.size.y+1)) * cell_size) );
points.push_back( xform.xform( (selection.pos+Point2(0,selection.size.y+1)) * cell_size) );
Color col=Color(0.2,0.8,1,0.4);
canvas_item_editor->draw_colored_polygon(points,col);
}
if (mouse_over){
const Vector2 endpoints[4]={
xform.xform( over_tile * cell_size) ,
xform.xform( (over_tile+Point2(1,0)) * cell_size) ,
xform.xform( (over_tile+Point2(1,1)) * cell_size) ,
xform.xform( (over_tile+Point2(0,1)) * cell_size) ,
};
Color col;
if (node->get_cell(over_tile.x,over_tile.y)!=TileMap::INVALID_CELL)
col=Color(0.2,0.8,1.0,0.8);
else
col=Color(1.0,0.4,0.2,0.8);
for(int i=0;i<4;i++)
canvas_item_editor->draw_line(endpoints[i],endpoints[(i+1)%4],col,2);
if (tool==TOOL_DUPLICATING) {
Rect2i duplicate=selection;
duplicate.pos=over_tile;
Vector<Vector2> points;
points.push_back( xform.xform( duplicate.pos * cell_size) );
points.push_back( xform.xform( (duplicate.pos+Point2(duplicate.size.x+1,0)) * cell_size) );
points.push_back( xform.xform( (duplicate.pos+Point2(duplicate.size.x+1,duplicate.size.y+1)) * cell_size) );
points.push_back( xform.xform( (duplicate.pos+Point2(0,duplicate.size.y+1)) * cell_size) );
Color col=Color(0.2,1.0,0.8,0.4);
canvas_item_editor->draw_colored_polygon(points,col);
} else {
Ref<TileSet> ts = node->get_tileset();
if (ts.is_valid()) {
int st = get_selected_tile();
if (ts->has_tile(st)) {
Ref<Texture> t = ts->tile_get_texture(st);
if (t.is_valid()) {
Rect2 r = ts->tile_get_region(st);
Size2 sc = (endpoints[2]-endpoints[0])/cell_size;
if (mirror_x->is_pressed())
sc.x*=-1.0;
if (mirror_y->is_pressed())
sc.y*=-1.0;
if (r==Rect2()) {
canvas_item_editor->draw_texture_rect(t,Rect2(endpoints[0],t->get_size()*sc),false,Color(1,1,1,0.5));
} else {
canvas_item_editor->draw_texture_rect_region(t,Rect2(endpoints[0],r.get_size()*sc),r,Color(1,1,1,0.5));
}
}
}
}
}
}
}
void TileMapEditor::edit(Node *p_tile_map) {
if (!canvas_item_editor) {
canvas_item_editor=CanvasItemEditor::get_singleton()->get_viewport_control();
}
if (p_tile_map) {
node=p_tile_map->cast_to<TileMap>();
if (!canvas_item_editor->is_connected("draw",this,"_canvas_draw"))
canvas_item_editor->connect("draw",this,"_canvas_draw");
if (!canvas_item_editor->is_connected("mouse_enter",this,"_canvas_mouse_enter"))
canvas_item_editor->connect("mouse_enter",this,"_canvas_mouse_enter");
if (!canvas_item_editor->is_connected("mouse_exit",this,"_canvas_mouse_exit"))
canvas_item_editor->connect("mouse_exit",this,"_canvas_mouse_exit");
_update_palette();
} else {
node=NULL;
if (canvas_item_editor->is_connected("draw",this,"_canvas_draw"))
canvas_item_editor->disconnect("draw",this,"_canvas_draw");
if (canvas_item_editor->is_connected("mouse_enter",this,"_canvas_mouse_enter"))
canvas_item_editor->disconnect("mouse_enter",this,"_canvas_mouse_enter");
if (canvas_item_editor->is_connected("mouse_exit",this,"_canvas_mouse_exit"))
canvas_item_editor->disconnect("mouse_exit",this,"_canvas_mouse_exit");
_update_palette();
}
}
void TileMapEditor::_pane_drag(const Point2& p_to) {
int x = theme_panel->get_margin(MARGIN_RIGHT);
x+=p_to.x;
if (x<10)
x=10;
if (x>300)
x=300;
theme_panel->set_margin(MARGIN_RIGHT,x);
}
void TileMapEditor::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_menu_option"),&TileMapEditor::_menu_option);
ObjectTypeDB::bind_method(_MD("_canvas_draw"),&TileMapEditor::_canvas_draw);
ObjectTypeDB::bind_method(_MD("_pane_drag"),&TileMapEditor::_pane_drag);
ObjectTypeDB::bind_method(_MD("_canvas_mouse_enter"),&TileMapEditor::_canvas_mouse_enter);
ObjectTypeDB::bind_method(_MD("_canvas_mouse_exit"),&TileMapEditor::_canvas_mouse_exit);
}
TileMapEditor::TileMapEditor(EditorNode *p_editor) {
canvas_item_editor=NULL;
editor=p_editor;
undo_redo = editor->get_undo_redo();
theme_panel = memnew( Panel );
theme_panel->set_anchor(MARGIN_BOTTOM,ANCHOR_END);
theme_panel->set_begin( Point2(0,26));
theme_panel->set_end( Point2(100,0) );
p_editor->get_viewport()->add_child(theme_panel);
theme_panel->hide();
palette = memnew( Tree );
palette->set_area_as_parent_rect(4);
palette->set_margin(MARGIN_TOP,25);;
theme_panel->add_child(palette);
pane_drag = memnew( PaneDrag ) ;
pane_drag->set_anchor(MARGIN_LEFT,ANCHOR_END);
pane_drag->set_begin(Point2(16,4));
theme_panel->add_child(pane_drag);
add_child( memnew( VSeparator ));
mirror_x = memnew( ToolButton );
mirror_x->set_toggle_mode(true);
mirror_x->set_tooltip("Mirror X (A)");
mirror_x->set_focus_mode(FOCUS_NONE);
add_child(mirror_x);
mirror_y = memnew( ToolButton );
mirror_y->set_toggle_mode(true);
mirror_y->set_tooltip("Mirror Y (S)");
mirror_y->set_focus_mode(FOCUS_NONE);
add_child(mirror_y);
tool=TOOL_NONE;
selection_active=false;
mouse_over=false;
}
void TileMapEditorPlugin::edit(Object *p_object) {
tile_map_editor->edit(p_object->cast_to<Node>());
}
bool TileMapEditorPlugin::handles(Object *p_object) const {
return p_object->is_type("TileMap");
}
void TileMapEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
tile_map_editor->show();
tile_map_editor->theme_panel->show();
} else {
tile_map_editor->hide();
tile_map_editor->theme_panel->hide();
tile_map_editor->edit(NULL);
}
}
TileMapEditorPlugin::TileMapEditorPlugin(EditorNode *p_node) {
editor=p_node;
tile_map_editor = memnew( TileMapEditor(p_node) );
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(tile_map_editor);
tile_map_editor->hide();
}
TileMapEditorPlugin::~TileMapEditorPlugin()
{
}
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