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mirror of https://github.com/OpenDiablo2/OpenDiablo2 synced 2024-09-20 10:15:55 -04:00
OpenDiablo2/d2core/d2map/d2maprenderer/image_cache.go
danhale-git 6104adc700
D2map lint warnings (#566)
* Comments and newlines in engine.go

* Comments and newlines in object.go

* Comments and newlines in animated_entity.go

* Comments and newlines in missile.go

* Comments and newlines in npc.go

* Comments and newlines in player.go

* Removed object.go (incorrectly merged it in during rebase).

* Comments and newlines in renderer.go.

* Comments and newlines in map_entity.go.

* Comments and newlines in walk_mesh.go.

* Comments and newlines in viewport.go and tile_cache.go.

* Comments and newlines in stamp.go and wilderness_tile_types.go.

* Comments and newlines in everything else.
2020-07-09 16:11:01 -04:00

29 lines
1006 B
Go

package d2maprenderer
import (
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2enum"
"github.com/OpenDiablo2/OpenDiablo2/d2common/d2interface"
)
var imageCacheRecords map[uint32]d2interface.Surface
// InvalidateImageCache 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
}