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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-11-18 10:26:02 -05:00
OpenDiablo2/d2core/d2map/d2maprenderer/image_cache.go
2020-06-21 18:40:37 -04:00

27 lines
977 B
Go

package d2maprenderer
import (
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
"github.com/OpenDiablo2/OpenDiablo2/d2core/d2render"
)
var imageCacheRecords map[uint32]d2render.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) d2render.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 d2render.Surface) {
lookupIndex := uint32(style)<<24 | uint32(sequence)<<16 | uint32(tileType)<<8 | uint32(randomIndex)
if imageCacheRecords == nil {
imageCacheRecords = make(map[uint32]d2render.Surface)
}
imageCacheRecords[lookupIndex] = image
}