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Implement forward kernel pass

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Copied from CuraEngine's C++ implementation.

Contributes to issue CURA-5561.
This commit is contained in:
Ghostkeeper 2018-09-05 09:54:14 +02:00
parent 0ad644386e
commit 944bf70eb5
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GPG key ID: 5252B696FB5E7C7A
1 changed files with 30 additions and 1 deletions
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31
50_inst_per_sec.py
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@ -443,6 +443,17 @@ class CommandBuffer:
kernel_commands[0] = cmd
self.reverse_pass_kernel(kernel_commands[0], kernel_commands[1], kernel_commands[2])
#Third pass: Forward kernel.
kernel_commands = [None, None, None]
for cmd in self._all_commands:
if cmd.estimated_exec_time_in_ms >= 0:
continue #Not a movement command.
kernel_commands[2] = kernel_commands[1]
kernel_commands[1] = kernel_commands[0]
kernel_commands[0] = cmd
self.forward_pass_kernel(kernel_commands[0], kernel_commands[1], kernel_commands[2])
self.forward_pass_kernel(kernel_commands[1], kernel_commands[2], None)
for idx, cmd in enumerate(self._all_commands):
cmd_count += 1
if idx > cmd0_idx or idx == 0:
@ -475,7 +486,7 @@ class CommandBuffer:
"cmd_count": cmd_count,
"time_in_ms": total_frame_time_in_ms})
def reverse_pass_kernel(self, previous: Command, current: Command, next: Command):
def reverse_pass_kernel(self, previous: Optional[Command], current: Optional[Command], next: Optional[Command]) -> None:
if not previous:
return
@ -494,6 +505,24 @@ class CommandBuffer:
current._entry_speed = current._max_entry_speed
current._recalculate = True
def forward_pass_kernel(self, previous: Optional[Command], current: Optional[Command], next: Optional[Command]) -> None:
if not previous:
return
#If the previous command is an acceleration command, but it is not long
#enough to complete the full speed change within the command, we need to
#adjust the entry speed accordingly. Entry speeds have already been
#reset, maximised and reverse planned by the reverse planner. If nominal
#length is set, max junction speed is guaranteed to be reached. No need
#to recheck.
if not previous._nominal_length:
if previous._entry_speed < current._entry_speed:
entry_speed = min(current._entry_speed, calc_max_allowable_speed(-previous._acceleration, previous._entry_speed, previous._distance))
if current._entry_speed != entry_speed:
current._entry_speed = entry_speed
current._recalculate = True
def to_file(self, file_name: str) -> None:
all_lines = [str(c) for c in self._all_commands]
with open(file_name, "w", encoding = "utf-8") as f: