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Adjust randomBackground condition

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This commit is contained in:
mkwong98 2022-11-26 23:46:32 +08:00
parent 2e676c1c65
commit f7c1975a2c
2 changed files with 18 additions and 1 deletions
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2
Core/HdPackConditions.h
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@ -399,6 +399,6 @@ struct HdPackRandomBackgroundCondition : public HdPackCondition
bool InternalCheckCondition(HdScreenInfo* screenInfo, int x, int y, HdPpuTileInfo* tile) override
{
return screenInfo->nameTableRandVal[tile->nameTableIdx] >= OperandA;
return screenInfo->nameTableRandVal[tile->nameTableIdx] <= OperandA;
}
};

17
Docs/content/hdpacks/_index.md
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@ -181,6 +181,23 @@ The condition is true when the following expression is true:
**Syntax**: `<condition>[name - text], frameRange, [divisorValue - integer], [compareValue - integer]`
**Example**: `<condition>myCondition,frameRange,8,10` (This condition will be true for the last 2 frames out of every 10 frames)
#### spriteFrameRange ####
The spriteFrameRange conditions can be used to conditionally replace sprite tiles based on the number of frames have passed since the sprite is visible on screen.
The condition is true when the following expression is true:
`[number of frames have passed] % [divisorValue] >= [compareValue]`
**Syntax**: `<condition>[name - text], spriteFrameRange, [divisorValue - integer], [compareValue - integer]`
**Example**: `<condition>myCondition,spriteFrameRange,8,10` (This condition will be true for the last 2 frames out of every 10 frames since the sprite is visible)
#### randomBackground ####
The randomBackground conditions can be used to randomly replace background tiles with a given probability.
The condition is true when the following expression is true:
`[random number between 0 and 1 assigned to the tile] <= [compareValue]`
**Syntax**: `<condition>[name - text], randomBackground, [compareValue]`
**Example**: `<condition>myCondition,randomBackground,0.1` (This condition will be true for 10% of the background tiles)
### &lt;tile&gt; tag ###