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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-10 14:26:15 -05:00
OpenDiablo2/d2core/d2map/d2maprenderer/image_cache.go
dk 55dc3e42ed
minor edits (#486)
* adding comments to d2interface for linter

* moved d2render renderer interfaces and types into d2interface
2020-06-29 00:41:58 -04:00

27 lines
994 B
Go

package d2maprenderer
import (
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
)
var imageCacheRecords map[uint32]d2interface.Surface
// Invalidates the global region image cache. Call this when you are changing regions
func InvalidateImageCache() {
imageCacheRecords = nil
}
func (mr *MapRenderer) getImageCacheRecord(style, sequence byte, tileType d2enum.TileType, randomIndex byte) d2interface.Surface {
lookupIndex := uint32(style)<<24 | uint32(sequence)<<16 | uint32(tileType)<<8 | uint32(randomIndex)
return imageCacheRecords[lookupIndex]
}
func (mr *MapRenderer) setImageCacheRecord(style, sequence byte, tileType d2enum.TileType, randomIndex byte, image d2interface.Surface) {
lookupIndex := uint32(style)<<24 | uint32(sequence)<<16 | uint32(tileType)<<8 | uint32(randomIndex)
if imageCacheRecords == nil {
imageCacheRecords = make(map[uint32]d2interface.Surface)
}
imageCacheRecords[lookupIndex] = image
}