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Improve insertion and removal of 'or if' conditionals.

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Allow inserting an 'or if' immediately after 'if', 'else if', 'or if'.
Removing an 'or if' no longer removes the associated block.
This commit is contained in:
Jonathan G Rennison 2015-09-01 22:39:15 +01:00
parent 38aaf8a921
commit 06cc930e47
2 changed files with 20 additions and 12 deletions
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2
src/tracerestrict.cpp
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@ -807,7 +807,7 @@ CommandCost CmdProgramSignalTraceRestrict(TileIndex tile, DoCommandFlag flags, u
case TRDCT_REMOVE_ITEM: {
TraceRestrictItem old_item = *TraceRestrictProgram::InstructionAt(items, offset);
if (IsTraceRestrictConditional(old_item)) {
if (IsTraceRestrictConditional(old_item) && GetTraceRestrictCondFlags(old_item) != TRCF_OR) {
bool remove_whole_block = false;
if (GetTraceRestrictCondFlags(old_item) == 0) {
if (GetTraceRestrictType(old_item) == TRIT_COND_ENDIF) {

30
src/tracerestrict_gui.cpp
View File

@ -115,18 +115,20 @@ struct TraceRestrictDropDownListSet {
static const StringID _program_insert_str[] = {
STR_TRACE_RESTRICT_CONDITIONAL_IF,
STR_TRACE_RESTRICT_CONDITIONAL_ELIF,
STR_TRACE_RESTRICT_CONDITIONAL_ORIF,
STR_TRACE_RESTRICT_CONDITIONAL_ELSE,
STR_TRACE_RESTRICT_PF_DENY,
STR_TRACE_RESTRICT_PF_PENALTY,
INVALID_STRING_ID
};
static const uint _program_insert_else_flag = 0x100; ///< flag to indicate that TRCF_ELSE should be set
static const uint32 _program_insert_else_hide_mask = 4; ///< disable bitmask for else
static const uint32 _program_insert_else_hide_mask = 8; ///< disable bitmask for else
static const uint32 _program_insert_or_if_hide_mask = 4; ///< disable bitmask for elif
static const uint32 _program_insert_else_if_hide_mask = 2; ///< disable bitmask for elif
static const uint _program_insert_val[] = {
TRIT_COND_UNDEFINED, // if block
TRIT_COND_UNDEFINED | _program_insert_else_flag, // elif block
TRIT_COND_ENDIF | _program_insert_else_flag, // else block
TRIT_COND_UNDEFINED | (TRCF_ELSE << 16), // elif block
TRIT_COND_UNDEFINED | (TRCF_OR << 16), // orif block
TRIT_COND_ENDIF | (TRCF_ELSE << 16), // else block
TRIT_PF_DENY, // deny
TRIT_PF_PENALTY, // penalty
};
@ -732,7 +734,7 @@ public:
return;
}
uint32 disabled = 0;
uint32 disabled = _program_insert_or_if_hide_mask;
TraceRestrictItem item = this->GetSelected();
if (GetTraceRestrictType(item) == TRIT_COND_ENDIF ||
(IsTraceRestrictConditional(item) && GetTraceRestrictCondFlags(item) != 0)) {
@ -744,6 +746,15 @@ public:
// can't insert else/end if here
disabled |= _program_insert_else_hide_mask | _program_insert_else_if_hide_mask;
}
if (this->selected_instruction > 1) {
TraceRestrictItem prev_item = this->GetItem(this->GetProgram(), this->selected_instruction - 1);
if (IsTraceRestrictConditional(prev_item) && GetTraceRestrictType(prev_item) != TRIT_COND_ENDIF) {
// previous item is either: an if, or an else/or if
// else if has same validation rules as or if, use it instead of creating another test function
if (ElseIfInsertionDryRun(false)) disabled &= ~_program_insert_or_if_hide_mask;
}
}
this->ShowDropDownListWithValue(&_program_insert, 0, true, TR_WIDGET_INSERT, disabled, 0, 0);
break;
@ -914,13 +925,10 @@ public:
case TR_WIDGET_INSERT: {
TraceRestrictItem insert_item = 0;
bool have_else = false;
if (value & _program_insert_else_flag) {
value &= ~_program_insert_else_flag;
have_else = true;
}
TraceRestrictCondFlags cond_flags = static_cast<TraceRestrictCondFlags>(value >> 16);
value &= 0xFFFF;
SetTraceRestrictTypeAndNormalise(insert_item, static_cast<TraceRestrictItemType>(value));
if (have_else) SetTraceRestrictCondFlags(insert_item, TRCF_ELSE); // this needs to happen after calling SetTraceRestrictTypeAndNormalise
SetTraceRestrictCondFlags(insert_item, cond_flags); // this needs to happen after calling SetTraceRestrictTypeAndNormalise
this->expecting_inserted_item = insert_item;
TraceRestrictDoCommandP(this->tile, this->track, TRDCT_INSERT_ITEM, this->selected_instruction - 1, insert_item, STR_TRACE_RESTRICT_ERROR_CAN_T_INSERT_ITEM);