static void
_draw_line(const Termpty *ty, unsigned int *pixels,
const Termcell *cells, int length, unsigned int *colors)
{
int x;
for (x = 0 ; x < length; x++)
{
_draw_cell(ty, pixels + x, cells + x, colors);
}
}
void TileMapEditor::_canvas_draw() {
if (!node)
return;
Matrix32 cell_xf = node->get_cell_transform();
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=node->world_to_map(xform_inv.xform(Vector2()));
aabb.expand_to(node->world_to_map(xform_inv.xform(Vector2(0,screen_size.height))));
aabb.expand_to(node->world_to_map(xform_inv.xform(Vector2(screen_size.width,0))));
aabb.expand_to(node->world_to_map(xform_inv.xform(screen_size)));
Rect2i si=aabb.grow(1.0);
if (node->get_half_offset()!=TileMap::HALF_OFFSET_X) {
int max_lines=2000; //avoid crash if size too smal
for (int i=(si.pos.x)-1;i<=(si.pos.x+si.size.x);i++) {
Vector2 from = xform.xform(node->map_to_world(Vector2(i,si.pos.y)));
Vector2 to = xform.xform(node->map_to_world(Vector2(i,si.pos.y+si.size.y+1)));
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(from,to,col,1);
if (max_lines--==0)
break;
}
} else {
int max_lines=10000; //avoid crash if size too smal
for (int i=(si.pos.x)-1;i<=(si.pos.x+si.size.x);i++) {
for (int j=(si.pos.y)-1;j<=(si.pos.y+si.size.y);j++) {
Vector2 ofs;
if (ABS(j)&1) {
ofs=cell_xf[0]*0.5;
}
Vector2 from = xform.xform(node->map_to_world(Vector2(i,j),true)+ofs);
Vector2 to = xform.xform(node->map_to_world(Vector2(i,j+1),true)+ofs);
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(from,to,col,1);
if (max_lines--==0)
break;
}
}
}
int max_lines=10000; //avoid crash if size too smal
if (node->get_half_offset()!=TileMap::HALF_OFFSET_Y) {
for (int i=(si.pos.y)-1;i<=(si.pos.y+si.size.y);i++) {
Vector2 from = xform.xform(node->map_to_world(Vector2(si.pos.x,i)));
Vector2 to = xform.xform(node->map_to_world(Vector2(si.pos.x+si.size.x+1,i)));
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(from,to,col,1);
if (max_lines--==0)
break;
}
} else {
for (int i=(si.pos.y)-1;i<=(si.pos.y+si.size.y);i++) {
for (int j=(si.pos.x)-1;j<=(si.pos.x+si.size.x);j++) {
Vector2 ofs;
if (ABS(j)&1) {
ofs=cell_xf[1]*0.5;
}
Vector2 from = xform.xform(node->map_to_world(Vector2(j,i),true)+ofs);
Vector2 to = xform.xform(node->map_to_world(Vector2(j+1,i),true)+ofs);
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(from,to,col,1);
if (max_lines--==0)
break;
}
}
}
}
if (selection_active) {
Vector<Vector2> points;
points.push_back( xform.xform( node->map_to_world(( rectangle.pos ) )));
points.push_back( xform.xform( node->map_to_world((rectangle.pos+Point2(rectangle.size.x+1,0)) ) ));
points.push_back( xform.xform( node->map_to_world((rectangle.pos+Point2(rectangle.size.x+1,rectangle.size.y+1)) ) ));
points.push_back( xform.xform( node->map_to_world((rectangle.pos+Point2(0,rectangle.size.y+1)) ) ));
canvas_item_editor->draw_colored_polygon(points, Color(0.2,0.8,1,0.4));
}
if (mouse_over){
Vector2 endpoints[4]={
node->map_to_world(over_tile, true),
node->map_to_world((over_tile+Point2(1,0)), true),
node->map_to_world((over_tile+Point2(1,1)), true),
node->map_to_world((over_tile+Point2(0,1)), true)
};
for (int i=0;i<4;i++) {
if (node->get_half_offset()==TileMap::HALF_OFFSET_X && ABS(over_tile.y)&1)
endpoints[i]+=cell_xf[0]*0.5;
if (node->get_half_offset()==TileMap::HALF_OFFSET_Y && ABS(over_tile.x)&1)
endpoints[i]+=cell_xf[1]*0.5;
endpoints[i]=xform.xform(endpoints[i]);
}
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_SELECTING || tool==TOOL_PICKING || tool==TOOL_BUCKET) {
return;
}
if (tool==TOOL_LINE_PAINT) {
if (paint_undo.empty())
return;
int id = get_selected_tile();
if (id==TileMap::INVALID_CELL)
return;
for (Map<Point2i, CellOp>::Element *E=paint_undo.front();E;E=E->next()) {
_draw_cell(id, E->key(), flip_h, flip_v, transpose, xform);
}
} else if (tool==TOOL_RECTANGLE_PAINT) {
int id = get_selected_tile();
if (id==TileMap::INVALID_CELL)
return;
for (int i=rectangle.pos.y;i<=rectangle.pos.y+rectangle.size.y;i++) {
for (int j=rectangle.pos.x;j<=rectangle.pos.x+rectangle.size.x;j++) {
_draw_cell(id, Point2i(j, i), flip_h, flip_v, transpose, xform);
}
}
} else if (tool==TOOL_DUPLICATING) {
if (copydata.empty())
return;
Ref<TileSet> ts = node->get_tileset();
if (ts.is_null())
return;
Point2 ofs = over_tile-rectangle.pos;
for (List<TileData>::Element *E=copydata.front();E;E=E->next()) {
if (!ts->has_tile(E->get().cell))
continue;
TileData tcd = E->get();
_draw_cell(tcd.cell, tcd.pos+ofs, tcd.flip_h, tcd.flip_v, tcd.transpose, xform);
}
Rect2i duplicate=rectangle;
duplicate.pos=over_tile;
Vector<Vector2> points;
points.push_back( xform.xform( node->map_to_world(duplicate.pos ) ));
points.push_back( xform.xform( node->map_to_world((duplicate.pos+Point2(duplicate.size.x+1,0)) ) ));
points.push_back( xform.xform( node->map_to_world((duplicate.pos+Point2(duplicate.size.x+1,duplicate.size.y+1))) ));
points.push_back( xform.xform( node->map_to_world((duplicate.pos+Point2(0,duplicate.size.y+1))) ));
canvas_item_editor->draw_colored_polygon(points, Color(0.2,1.0,0.8,0.2));
} else {
int st = get_selected_tile();
if (st==TileMap::INVALID_CELL)
return;
_draw_cell(st, over_tile, flip_h, flip_v, transpose, xform);
}
}
}
