######################################################################
# Start Print and End Print
######################################################################

# Replace the slicer's custom start and end g-code scripts with
# START_PRINT and END_PRINT.

[gcode_macro START_PRINT]
variable_parameter_T_BED: 60
variable_parameter_T_EXTRUDER: 190
gcode:
    ##### Get Boundaries #####
    {% set max_x = printer.toolhead.axis_maximum.x|float %}
    {% set max_y = printer.toolhead.axis_maximum.y|float %}
    {% set max_z = printer.toolhead.axis_maximum.z|float %}
    {% set mid_x = max_x / 2 %}
    {% set mid_y = max_y / 2 %}

    CLEAR_PAUSE
    G90

    # Hold the hotend temperature (useful for reprints)
    M104 S{printer.extruder.temperature}

    # Start preheating the bed
    M117 Heating bed
    _LCD_KNOB COLOR=RED BLINK=1
    M140 S{T_BED}

    # Perform a G28 'home' (if needed)
    SMARTHOME

    # Check to see if we need more time preheating the bed, if so
    {% if printer.heater_bed.temperature < params.T_BED|float*0.85 %}
        M117 Heating bed to 85%
        G1 X{mid_x} Y{mid_y} Z10 F6000
        M106
        M190 S{params.T_BED|float*0.85}
    {% endif %}

    M117 Heating bed/toolhead
    {% if printer.extruder.temperature < params.T_EXTRUDER|float*0.75 %}
       M104 S{params.T_EXTRUDER|float*0.75}
    {% endif %}
    M190 S{T_BED}
    M107

    # Move the nozzle near the bed
    G1 X0.1 Y0.1 Z2.0 F6000
    G1 Z0.3 F6000

    M117 Heating toolhead
    M109 S{T_EXTRUDER}

    # Prime line
    PRIME_EXTRUDER
    M117 Printing



[gcode_macro END_PRINT]
variable_print_done: 'false'
gcode:
    SAVE_GCODE_STATE NAME=STATE_PRINT_END

    ##### Get Boundaries #####
    {% set max_x = printer.toolhead.axis_maximum.x|float %}
    {% set max_y = printer.toolhead.axis_maximum.y|float %}
    {% set max_z = printer.toolhead.axis_maximum.z|float %}
    {% set act_x = printer.toolhead.position.x|float %}
    {% set act_y = printer.toolhead.position.y|float %}
    {% set act_z = printer.toolhead.position.z|float %}

    ##### Calculate save move #####
    {% if act_x < (max_x - 20.0) %}
      {% set x_safe = 20.0 %}
    {% else %}
      {% set x_safe = -20.0 %}
    {% endif %}
    {% if act_y < (max_y - 20.0) %}
      {% set y_safe = 20.0 %}
    {% else %}
      {% set y_safe = -20.0 %}
    {% endif %}
    {% if act_z < (max_z - 2.0) %}
      {% set z_safe = 2.0 %}
    {% else %}
      {% set z_safe = max_z - act_z %}
    {% endif %}

    M400
    G92 E0
    G1 E-2 F1800
    G91
    G0 Z{z_safe} F3600
    G0 X{x_safe} Y{y_safe} F20000  ; move nozzle to remove stringing
    TURN_OFF_HEATERS
    M107
    G90
    G0 X60 Y{max_y} F18000
    BED_MESH_CLEAR
    M300                                     ; Play a tone
    _LCD_KNOB COLOR=GREEN
    UPDATE_DELAYED_GCODE ID=_CLEAR_DISPLAY DURATION=10
    SET_GCODE_VARIABLE MACRO=END_PRINT VARIABLE=print_done VALUE='"true"'
    RESTORE_GCODE_STATE NAME=STATE_PRINT_END