116 lines
3.6 KiB
Lua
116 lines
3.6 KiB
Lua
require "map"
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viewport={}
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function viewport.new(_width, _height)
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return { x=0, y=0,
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width=_width,
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height=_height,
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get=viewport.get,
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position=viewport.position,
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print=viewport.print,
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room=viewport.coord2room,
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--roomXY= viewport.room2coord,
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tile= viewport.tile,
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last_tile= viewport.last_tile,
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screen_coords = viewport.screen_coords,
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inside = viewport.inside }
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end
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function viewport:get()
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return self.x, self.y, self.x+self.width, self.y+self.height
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end
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function viewport:screen_coords ( x, y )
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local scr_x = x-self.x
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local scr_y = y-self.y
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return scr_x, scr_y
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end
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function viewport:inside( x, y, w, h )
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local result = false
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if self.x<=x+w and self.x+self.width>=x and self.y<=y+h and self.y+self.height>=y then result = true end
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return result
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end
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-- function viewport:coord2tile (x, y)
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-- local tw = arcade_config.tiles_width
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-- local th = arcade_config.tiles_height
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-- local cols = mapa_room_cols
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-- local rows = mapa_room_rows
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-- local rooms_per_floor = mapa_rooms_per_piso
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-- local xx = x or self.x
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-- local yy = y or self.y
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--
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-- local calc_col = math.floor(xx / tw) % cols
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-- local calc_row = math.floor(yy / th) % rows
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-- local calc_room = math.floor(yy / (th * rows))*rooms_per_floor+math.floor(xx / (tw * cols))
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-- -- print("X= "..self.x.." / W="..tw.." / C= "..cols.." > "..calc_col)
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-- -- print("Y= "..self.y.." / H="..th.." / R= "..rows.." > "..calc_row)
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-- -- print("CR= "..calc_row.." / RF= "..rooms_per_floor.." / CC= "..calc_col)
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-- -- local tile_offset_x = self.x - (calc_col * tw * cols)
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-- -- local tile_offset_y = self.y - (calc_row * th * rows)
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-- local tile_offset_x = xx - (calc_col * tw) - ((calc_room%rooms_per_floor)*cols*tw)
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-- local tile_offset_y = yy - (calc_row * th) - ( math.floor(calc_room/10)*rows*th)
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-- -- print(self.x.." C"..calc_col.." W"..tw.." R"..calc_room.." c"..cols.." > "..tile_offset_x)
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-- -- room, x, y, offset x, offset y
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-- return calc_room, calc_col, calc_row, tile_offset_x, tile_offset_y
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-- end
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function viewport:tile ()
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return coords.world_to_tile(self.x, self.y)
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end
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function viewport:last_tile ()
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return coords.world_to_tile(self.x+self.width, self.y+self.height)
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end
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function viewport:coord2room ()
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return coords.world_to_room(self.x, self.y)
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-- local tw = arcade_config.tiles_width
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-- local th = arcade_config.tiles_height
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-- local cols = mapa_room_cols
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-- local rows = mapa_room_rows
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-- local rooms_per_floor = mapa_rooms_per_piso
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--
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-- local calc_col = math.floor(self.x / (tw * cols))
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-- local calc_row = math.floor(self.y / (th * rows))
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--
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-- local calc_room = calc_row*rooms_per_floor+calc_col
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-- return calc_room
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end
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-- function viewport:room2coord ( room )
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-- local tw = arcade_config.tiles_width
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-- local th = arcade_config.tiles_height
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-- local cols = mapa_room_cols
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-- local rows = mapa_room_rows
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-- local rooms_per_floor = mapa_rooms_per_piso
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--
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-- local x = (room % rooms_per_floor) * cols * tw
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-- local y = math.floor(room/rooms_per_floor) * rows * th
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--
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-- local room_center_x_offset = (cols * tw) >> 1
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-- local room_center_y_offset = (rows * th) >> 1
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--
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-- -- return x+room_center_x_offset, y+room_center_y_offset
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-- return x, y
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-- end
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function viewport:position(x, y)
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local nx = (x ~= nil) and x or self.x
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local ny = (y ~= nil) and y or self.y
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self.x = nx
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self.y = ny
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return self.x, self.y
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end
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function viewport:print()
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local room = self:room()
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draw.rectf(0,7,45,14,16)
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draw.text("X="..self.x.." , Y= "..self.y..", R"..room,1,8,2)
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end
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return viewport |