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face properties test

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Bixilon 2023-06-26 21:20:30 +02:00
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95
src/integration-test/kotlin/de/bixilon/minosoft/gui/rendering/models/block/state/baked/cull/FacePropertiesTest.kt Normal file
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@ -0,0 +1,95 @@
/*
* Minosoft
* Copyright (C) 2020-2023 Moritz Zwerger
*
* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This software is not affiliated with Mojang AB, the original developer of Minecraft.
*/
package de.bixilon.minosoft.gui.rendering.models.block.state.baked.cull
import de.bixilon.kotlinglm.vec2.Vec2
import de.bixilon.kotlinglm.vec3.Vec3
import de.bixilon.minosoft.data.direction.Directions
import de.bixilon.minosoft.data.registries.identified.Namespaces
import de.bixilon.minosoft.gui.rendering.models.baked.BakedModelTestUtil
import de.bixilon.minosoft.gui.rendering.models.block.BlockModel
import de.bixilon.minosoft.gui.rendering.models.block.element.ModelElement
import de.bixilon.minosoft.gui.rendering.models.block.state.apply.SingleBlockStateApply
import de.bixilon.minosoft.gui.rendering.models.block.state.baked.cull.side.FaceProperties
import de.bixilon.minosoft.gui.rendering.system.base.texture.TextureTransparencies
import de.bixilon.minosoft.gui.rendering.textures.TextureUtil.texture
import org.testng.Assert.assertEquals
import org.testng.Assert.assertNull
import org.testng.annotations.Test
@Test(groups = ["models", "culling"])
class FacePropertiesTest {
fun fullBlock() {
val from = Vec3(0.0f)
val to = Vec3(1.0f)
val model = SingleBlockStateApply(BlockModel(elements = listOf(ModelElement(from, to, faces = BakedModelTestUtil.createFaces())), textures = mapOf("test" to Namespaces.minecraft("block/test").texture())))
val baked = model.bake(BakedModelTestUtil.createTextureManager("block/test"))!!
assertEquals(baked.getProperties(Directions.DOWN)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.UP)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.NORTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.SOUTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.WEST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.EAST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
}
fun lowerSlab() {
val from = Vec3(0.0f, 0.0f, 0.0f)
val to = Vec3(1.0f, 0.5f, 1.0f)
val model = SingleBlockStateApply(BlockModel(elements = listOf(ModelElement(from, to, faces = BakedModelTestUtil.createFaces())), textures = mapOf("test" to Namespaces.minecraft("block/test").texture())))
val baked = model.bake(BakedModelTestUtil.createTextureManager("block/test"))!!
assertEquals(baked.getProperties(Directions.DOWN)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertNull(baked.getProperties(Directions.UP)?.faces)
assertEquals(baked.getProperties(Directions.NORTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 0.5f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.SOUTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 0.5f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.WEST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 0.5f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.EAST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 0.5f), TextureTransparencies.OPAQUE)))
}
fun upperSlab() {
val from = Vec3(0.0f, 0.5f, 0.0f)
val to = Vec3(1.0f, 1.0f, 1.0f)
val model = SingleBlockStateApply(BlockModel(elements = listOf(ModelElement(from, to, faces = BakedModelTestUtil.createFaces())), textures = mapOf("test" to Namespaces.minecraft("block/test").texture())))
val baked = model.bake(BakedModelTestUtil.createTextureManager("block/test"))!!
assertNull(baked.getProperties(Directions.DOWN)?.faces)
assertEquals(baked.getProperties(Directions.UP)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.0f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.NORTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.5f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.SOUTH)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.5f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.WEST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.5f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
assertEquals(baked.getProperties(Directions.EAST)?.faces, arrayOf(FaceProperties(Vec2(0.0f, 0.5f), Vec2(1.0f, 1.0f), TextureTransparencies.OPAQUE)))
}
fun `mini cube`() {
val from = Vec3(0.1f, 0.2f, 0.3f)
val to = Vec3(0.7f, 0.8f, 0.9f)
val model = SingleBlockStateApply(BlockModel(elements = listOf(ModelElement(from, to, faces = BakedModelTestUtil.createFaces())), textures = mapOf("test" to Namespaces.minecraft("block/test").texture())))
val baked = model.bake(BakedModelTestUtil.createTextureManager("block/test"))!!
assertNull(baked.getProperties(Directions.DOWN)?.faces)
assertNull(baked.getProperties(Directions.UP)?.faces)
assertNull(baked.getProperties(Directions.NORTH)?.faces)
assertNull(baked.getProperties(Directions.SOUTH)?.faces)
assertNull(baked.getProperties(Directions.WEST)?.faces)
assertNull(baked.getProperties(Directions.EAST)?.faces)
}
// TODO: north/south and west/east slabs
}

2
src/main/java/de/bixilon/minosoft/gui/rendering/models/block/state/baked/cull/FaceCulling.kt
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@ -59,7 +59,7 @@ object FaceCulling {
// overlapping is broken, see https://stackoverflow.com/questions/7342935/algorithm-to-compute-total-area-covered-by-a-set-of-overlapping-segments
var area = 0.0f
for (quad in this.sizes) {
for (quad in this.faces) {
val width = minOf(target.end.x, quad.end.x) - maxOf(quad.start.x, target.start.x)
val height = minOf(target.end.y, quad.end.y) - maxOf(quad.start.y, target.start.y)

4
src/main/java/de/bixilon/minosoft/gui/rendering/models/block/state/baked/cull/side/SideProperties.kt
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@ -16,10 +16,10 @@ package de.bixilon.minosoft.gui.rendering.models.block.state.baked.cull.side
import de.bixilon.minosoft.gui.rendering.system.base.texture.TextureTransparencies
class SideProperties(
val sizes: Array<FaceProperties>,
val faces: Array<FaceProperties>,
val transparency: TextureTransparencies?,
) {
init {
if (sizes.isEmpty()) throw IllegalCallerException("sizes is empty!")
if (faces.isEmpty()) throw IllegalCallerException("properties is empty!")
}
}