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Do multiple queries in descending y order to make better use of the block rejection.

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This commit is contained in:
Sascha L. Teichmann 2014-09-11 00:22:36 +02:00
parent ab767a97bb
commit e2070c8b94
1 changed files with 14 additions and 5 deletions
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19
tilemapper/main.go
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@ -59,20 +59,28 @@ func main() {
q1x, q1y, q1z := int16(x), int16(y), int16(z)
q2x, q2y, q2z := q1x+int16(width)-1, q1y+int16(depth)-1, q1z+int16(height)-1
c1 := common.Coord{X: q1x, Y: q1y, Z: q1z}
c2 := common.Coord{X: q2x, Y: q2y, Z: q2z}
cuboid := common.Cuboid{P1: common.MinCoord(c1, c2), P2: common.MaxCoord(c1, c2)}
renderer := NewRenderer(q1x, q1z, width, height)
numBlocks := 0
drawBlock := func(block *common.Block) {
if err := renderer.RenderBlock(block, colors.NameIndex); err != nil {
log.Printf("WARN: rendering block failed: %s", err)
}
numBlocks++
}
if err = client.QueryCuboid(cuboid, drawBlock); err != nil {
log.Fatalf("query failed: %s", err)
c1 := common.Coord{X: q1x, Z: q1z}
c2 := common.Coord{X: q2x, Z: q2z}
for c2.Y = q2y; c2.Y > q1y; c2.Y -= 16 {
c1.Y = c2.Y - 15
if c1.Y < q1y {
c1.Y = q1y
}
cuboid := common.Cuboid{P1: common.MinCoord(c1, c2), P2: common.MaxCoord(c1, c2)}
if err = client.QueryCuboid(cuboid, drawBlock); err != nil {
log.Fatalf("query failed: %s", err)
}
}
image := renderer.CreateImage(
@ -83,4 +91,5 @@ func main() {
}
fmt.Printf("Rejected blocks: %d\n", renderer.RejectedBlocks)
fmt.Printf("num blocks: %d\n", numBlocks)
}