/* GLTexture::averageColour
* Returns the average colour of the texture
*******************************************************************/
rgba_t GLTexture::averageColour(rect_t area)
{
// Check texture is loaded
if (!loaded || tex.empty())
return COL_BLACK;
// Empty area rect means full texture
if (area.tl.x == area.br.x && area.tl.y == area.br.y)
area.set(0, 0, width, height);
// Clamp area to texture
if (area.tl.x < 0) area.tl.x = 0;
if (area.tl.y < 0) area.tl.y = 0;
if ((unsigned)area.br.x > width) area.br.x = width;
if ((unsigned)area.br.y > height) area.br.y = height;
// Get texture pixels
uint8_t* pixels = new uint8_t[width*height*8];
glBindTexture(GL_TEXTURE_2D, tex[0].id);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
// Add colour values
unsigned red = 0;
unsigned green = 0;
unsigned blue = 0;
unsigned npix = 0;
// Go through area
for (int y = area.tl.y; y < area.br.y; y++)
{
for (int x = area.tl.x; x < area.br.x; x++)
{
// Add pixel
unsigned c = (y * width * 4) + (x * 4);
red += pixels[c++];
green += pixels[c++];
blue += pixels[c++];
npix++;
}
}
// Clean up
delete[] pixels;
// Return average colour
return rgba_t(red/npix, green/npix, blue/npix, 255);
}
// keys_edit: Keys for the 2d editor
// ------------------------------ >>
void keys_edit()
{
if (!map.opened)
return;
// Scroll up
if (binds.pressed("view_up"))
{
yoff += ((MAJOR_UNIT / (int)zoom)) + 1;
force_map_redraw(true, true);
}
// Scroll down
if (binds.pressed("view_down"))
{
yoff -= ((MAJOR_UNIT / (int)zoom)) + 1;
force_map_redraw(true, true);
}
// Scroll left
if (binds.pressed("view_left"))
{
xoff += ((MAJOR_UNIT / (int)zoom)) + 1;
force_map_redraw(true, true);
}
// Scroll right
if (binds.pressed("view_right"))
{
xoff -= ((MAJOR_UNIT / (int)zoom)) + 1;
force_map_redraw(true, true);
}
// Zoom in
if (binds.pressed("view_zoomin"))
view_zoom(true);
// Zoom out
if (binds.pressed("view_zoomout"))
view_zoom(false);
// Center view on mouse
if (binds.pressed("view_mousecenter"))
{
xoff = -m_x(mouse.x) / MAJOR_UNIT;
yoff = -m_y(mouse.y) / MAJOR_UNIT;
force_map_redraw(true, true);
}
// Set offsets to 0, 0
if (binds.pressed("view_origin"))
{
xoff = yoff = 0;
force_map_redraw(true, true);
}
// Vertices mode
if (binds.pressed("mode_vertices"))
change_edit_mode(0);
// Linedefs mode
if (binds.pressed("mode_linedefs"))
change_edit_mode(1);
// Sectors mode
if (binds.pressed("mode_sectors"))
change_edit_mode(2);
// Things mode
if (binds.pressed("mode_things"))
change_edit_mode(3);
// Change mode
if (binds.pressed("mode_change"))
cycle_edit_mode();
// Increase grid size
if (binds.pressed("view_increasegrid"))
{
increase_grid();
force_map_redraw(false, true);
}
// Decrease grid size
if (binds.pressed("view_decreasegrid"))
{
decrease_grid();
force_map_redraw(false, true);
}
// Clear selection
if (binds.pressed("edit_clearselection"))
{
clear_selection();
force_map_redraw(true);
}
// Delete item
if (binds.pressed("edit_deleteitem"))
{
if (edit_mode == 0)
delete_vertex();
if (edit_mode == 1)
delete_line();
if (edit_mode == 2)
delete_sector();
if (edit_mode == 3)
delete_thing();
force_map_redraw(true);
}
// Create item
if (binds.pressed("edit_createitem"))
{
if (edit_mode == 0)
{
if (!selection())
create_vertex();
else
create_lines(false);
force_map_redraw(true);
return;
}
if (edit_mode == 1)
{
if (selection())
create_sector();
force_map_redraw(true);
return;
}
if (edit_mode == 3)
{
create_thing();
force_map_redraw(true);
return;
}
binds.clear("edit_createitem");
}
// Sector height quick changes (8 units)
if (binds.pressed("sector_upfloor8"))
{
if (edit_mode == 2)
sector_changeheight(true, 8);
}
if (binds.pressed("sector_downfloor8"))
{
if (edit_mode == 2)
sector_changeheight(true, -8);
}
if (binds.pressed("sector_upceil8"))
{
if (edit_mode == 2)
sector_changeheight(false, 8);
}
if (binds.pressed("sector_downceil8"))
{
if (edit_mode == 2)
sector_changeheight(false, -8);
}
if (binds.pressed("sector_upboth8"))
{
if (edit_mode == 2)
{
sector_changeheight(true, 8);
sector_changeheight(false, 8);
}
}
if (binds.pressed("sector_downboth8"))
{
if (edit_mode == 2)
{
sector_changeheight(true, -8);
sector_changeheight(false, -8);
}
}
// Sector height quick changes (1 unit)
if (binds.pressed("sector_upfloor"))
{
if (edit_mode == 2)
sector_changeheight(true, 1);
}
if (binds.pressed("sector_downfloor"))
{
if (edit_mode == 2)
sector_changeheight(true, -1);
}
if (binds.pressed("sector_upceil"))
{
if (edit_mode == 2)
sector_changeheight(false, 1);
}
if (binds.pressed("sector_downceil"))
{
if (edit_mode == 2)
sector_changeheight(false, -1);
}
if (binds.pressed("sector_upboth"))
{
if (edit_mode == 2)
{
sector_changeheight(true, 1);
sector_changeheight(false, 1);
}
}
if (binds.pressed("sector_downboth"))
{
if (edit_mode == 2)
{
sector_changeheight(true, -1);
sector_changeheight(false, -1);
}
}
// Flip line
if (binds.pressed("line_flip"))
{
if (edit_mode == 1)
line_flip(true, false);
force_map_redraw(true);
}
// Swap line sides
if (binds.pressed("line_swapsides"))
{
if (edit_mode == 1)
line_flip(false, true);
force_map_redraw(true);
}
// Flip both line direction and sides
if (binds.pressed("line_flipboth"))
{
if (edit_mode == 1)
line_flip(true, true);
force_map_redraw(true);
}
// Begin line draw
if (binds.pressed("line_begindraw"))
{
if (!line_draw)
line_draw = true;
binds.clear("line_begindraw");
}
// Begin rectangle draw
if (binds.pressed("line_begindraw_rect"))
{
if (!line_draw)
{
line_draw = true;
sel_box.set(mouse.x, mouse.y, mouse.x, mouse.y);
}
binds.clear("line_begindraw_rect");
}
// Undo
if (binds.pressed("edit_undo"))
{
undo();
clear_selection();
hilight_item = -1;
force_map_redraw(true, true);
//map_changelevel(3);
map.change_level(MC_NODE_REBUILD);
binds.clear("edit_undo");
}
// Edit item
if (binds.pressed("edit_edititem"))
{
edit_item();
binds.clear("edit_edititem");
}
// Merge sectors
if (binds.pressed("sector_merge"))
{
sector_merge(false);
binds.clear("sector_merge");
}
// Join sectors
if (binds.pressed("sector_join"))
{
sector_merge(true);
binds.clear("sector_join");
}
if (binds.pressed("view_3dmode"))
{
binds.clear("view_3dmode");
binds.clear("3d_exit");
start_3d_mode();
}
if (binds.pressed("open_console"))
{
binds.clear("open_console");
popup_console();
}
if (binds.pressed("copy"))
{
binds.clear("copy");
clipboard.Copy();
}
if (binds.pressed("paste"))
{
binds.clear("paste");
paste_mode = true;
clear_selection();
}
if (binds.pressed("cancel_paste"))
{
binds.clear("cancel_paste");
paste_mode = false;
force_map_redraw(true, false);
}
}
