def pre_process(self):
# Check parameter names
seen_names = set()
for param in self.param_list:
if not isinstance(param, expression.Identifier):
raise generic.ScriptError(
"switch parameter names must be identifiers.", param.pos)
if param.value in seen_names:
raise generic.ScriptError(
"Duplicate parameter name '{}' encountered.".format(
param.value), param.pos)
seen_names.add(param.value)
feature = next(iter(self.feature_set))
var_feature = action2var.get_feature(
self) # Feature of the accessed variables
# Allocate registers
param_map = {}
param_registers = []
for param in self.param_list:
reg = action2var.VarAction2CallParam(param.value)
param_registers.append(reg)
param_map[param.value] = reg
param_map = (param_map, lambda name, value, pos: action2var.
VarAction2LoadCallParam(value, name))
self.register_map[feature] = param_registers
self.expr = action2var.reduce_varaction2_expr(self.expr, var_feature,
[param_map])
self.body.reduce_expressions(var_feature, [param_map])
switch_base_class.pre_process(self)
def get_layout_action2s(spritelayout, feature, spr_pos):
"""
@param spr_pos: Position information of the sprite view.
@type spr_pos: L{Position}
"""
ground_sprite = None
building_sprites = []
actions = []
if feature not in action2.features_sprite_layout:
raise generic.ScriptError(
"Sprite layouts are not supported for feature '{}'.".format(
general.feature_name(feature)))
# Allocate registers
param_map = {}
param_registers = []
for param in spritelayout.param_list:
reg = action2var.VarAction2CallParam(param.value)
param_registers.append(reg)
param_map[param.value] = reg
param_map = (param_map, lambda name, value, pos: action2var.
VarAction2LoadCallParam(value, name))
spritelayout.register_map[feature] = param_registers
# Reduce all expressions, can't do that earlier as feature is not known
all_sprite_sets = []
layout_sprite_list = [] # Create a new structure
for layout_sprite in spritelayout.layout_sprite_list:
param_list = []
layout_sprite_list.append(
(layout_sprite.type, layout_sprite.pos, param_list))
for param in layout_sprite.param_list:
param_val = action2var.reduce_varaction2_expr(
param.value, action2var.get_scope(feature), [param_map])
param_list.append((param.name, param_val))
if isinstance(param_val, expression.SpriteGroupRef):
spriteset = action2.resolve_spritegroup(param_val.name)
if not spriteset.is_spriteset():
raise generic.ScriptError(
"Expected a reference to a spriteset.", param_val.pos)
all_sprite_sets.append(spriteset)
actions.extend(
action1.add_to_action1(all_sprite_sets, feature, spritelayout.pos))
temp_registers = []
for type, pos, param_list in layout_sprite_list:
if type.value not in layout_sprite_types:
raise generic.ScriptError(
"Invalid sprite type '{}' encountered. Expected 'ground', 'building', or 'childsprite'."
.format(type.value),
type.pos,
)
sprite = Action2LayoutSprite(feature, layout_sprite_types[type.value],
pos, [param_map])
for name, value in param_list:
sprite.set_param(name, value)
temp_registers.extend(sprite.get_all_registers())
if sprite.type == Action2LayoutSpriteType.GROUND:
if ground_sprite is not None:
raise generic.ScriptError(
"Sprite layout can have no more than one ground sprite",
spritelayout.pos)
ground_sprite = sprite
else:
building_sprites.append(sprite)
if ground_sprite is None:
if len(building_sprites) == 0:
# no sprites defined at all, that's not very much.
raise generic.ScriptError(
"Sprite layout requires at least one sprite", spr_pos)
# set to 0 for no ground sprite
ground_sprite = Action2LayoutSprite(feature,
Action2LayoutSpriteType.GROUND)
ground_sprite.set_param(expression.Identifier("sprite"),
expression.ConstantNumeric(0))
action6.free_parameters.save()
act6 = action6.Action6()
advanced = any(x.is_advanced_sprite()
for x in building_sprites + [ground_sprite])
offset = 4
sprite_num = ground_sprite.get_sprite_number()
sprite_num, offset = actionD.write_action_value(sprite_num, actions, act6,
offset, 4)
if advanced:
offset += ground_sprite.get_registers_size()
for sprite in building_sprites:
sprite_num = sprite.get_sprite_number()
sprite_num, offset = actionD.write_action_value(
sprite_num, actions, act6, offset, 4)
if advanced:
offset += sprite.get_registers_size()
offset += 3 if sprite.type == Action2LayoutSpriteType.CHILD else 6
if len(act6.modifications) > 0:
actions.append(act6)
layout_action = Action2Layout(
feature,
spritelayout.name.value + " - feature {:02X}".format(feature),
spritelayout.pos,
ground_sprite,
building_sprites,
param_registers,
)
actions.append(layout_action)
if temp_registers:
varact2parser = action2var.Varaction2Parser(
feature, action2var.get_scope(feature))
for register_info in temp_registers:
reg, expr = register_info[1], register_info[2]
if reg is None:
continue
varact2parser.parse_expr(expr)
varact2parser.var_list.append(nmlop.STO_TMP)
varact2parser.var_list.append(reg)
varact2parser.var_list.append(nmlop.VAL2)
varact2parser.var_list_size += reg.get_size() + 2
# Only continue if we actually needed any new registers
if temp_registers and varact2parser.var_list: # lgtm[py/uninitialized-local-variable]
# Remove the last VAL2 operator
varact2parser.var_list.pop()
varact2parser.var_list_size -= 1
actions.extend(varact2parser.extra_actions)
extra_act6 = action6.Action6()
for mod in varact2parser.mods:
extra_act6.modify_bytes(mod.param, mod.size, mod.offset + 4)
if len(extra_act6.modifications) > 0:
actions.append(extra_act6)
varaction2 = action2var.Action2Var(
feature,
"{}@registers - feature {:02X}".format(spritelayout.name.value,
feature), spritelayout.pos,
0x89)
varaction2.var_list = varact2parser.var_list
ref = expression.SpriteGroupRef(spritelayout.name, [], None,
layout_action)
varaction2.ranges.append(
action2var.VarAction2Range(expression.ConstantNumeric(0),
expression.ConstantNumeric(0), ref, ""))
varaction2.default_result = ref
varaction2.default_comment = ""
# Add two references (default + range)
# Make sure that registers allocated here are not used by the spritelayout
action2.add_ref(ref, varaction2, True)
action2.add_ref(ref, varaction2, True)
spritelayout.set_action2(varaction2, feature)
actions.append(varaction2)
else:
spritelayout.set_action2(layout_action, feature)
action6.free_parameters.restore()
return actions