render phases

src/main/java/de/bixilon/minosoft/gui/rendering/RenderWindow.kt

@@ -31,6 +31,7 @@ import de.bixilon.minosoft.gui.rendering.sky.SkyRenderer
 import de.bixilon.minosoft.gui.rendering.system.base.IntegratedBufferTypes
 import de.bixilon.minosoft.gui.rendering.system.base.PolygonModes
 import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.RenderPhases
 import de.bixilon.minosoft.gui.rendering.system.opengl.OpenGLRenderSystem
 import de.bixilon.minosoft.gui.rendering.system.window.BaseWindow
 import de.bixilon.minosoft.gui.rendering.system.window.GLFWWindow
@@ -254,13 +255,17 @@ class RenderWindow(
 
 
             for (renderer in rendererMap.values) {
-                renderer.update()
+                renderer.prepareDraw()
             }
+
             for (renderer in rendererMap.values) {
-                renderer.draw()
-            }
-            for (renderer in rendererMap.values) {
-                renderer.postDraw()
+                for (phase in RenderPhases.VALUES) {
+                    if (!phase.type.java.isAssignableFrom(renderer::class.java)) {
+                        continue
+                    }
+                    phase.invokeSetup(renderer)
+                    phase.invokeDraw(renderer)
+                }
             }
 
             renderStats.endDraw()

src/main/java/de/bixilon/minosoft/gui/rendering/Renderer.kt

@@ -13,15 +13,15 @@
 
 package de.bixilon.minosoft.gui.rendering
 
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+
 interface Renderer {
+    val renderWindow: RenderWindow
+    val renderSystem: RenderSystem
 
     fun init() {}
 
     fun postInit() {}
 
-    fun update() {}
-
-    fun draw() {}
-
-    fun postDraw() {}
+    fun prepareDraw() {}
 }

src/main/java/de/bixilon/minosoft/gui/rendering/block/WorldRenderer.kt

@@ -33,10 +33,12 @@ import de.bixilon.minosoft.gui.rendering.block.renderable.BlockLikeRenderContext
 import de.bixilon.minosoft.gui.rendering.input.camera.Frustum
 import de.bixilon.minosoft.gui.rendering.modding.events.FrustumChangeEvent
 import de.bixilon.minosoft.gui.rendering.modding.events.RenderingStateChangeEvent
-import de.bixilon.minosoft.gui.rendering.system.base.RenderModes
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.OpaqueDrawable
+import de.bixilon.minosoft.gui.rendering.system.base.phases.TranslucentDrawable
+import de.bixilon.minosoft.gui.rendering.system.base.phases.TransparentDrawable
 import de.bixilon.minosoft.gui.rendering.system.base.shader.Shader
 import de.bixilon.minosoft.gui.rendering.system.base.texture.TextureManager
-import de.bixilon.minosoft.gui.rendering.system.opengl.OpenGLShader
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.chunkPosition
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.getWorldOffset
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.of
@@ -58,13 +60,14 @@ import glm_.vec3.Vec3i
 
 class WorldRenderer(
     private val connection: PlayConnection,
-    val renderWindow: RenderWindow,
-) : Renderer {
+    override val renderWindow: RenderWindow,
+) : Renderer, OpaqueDrawable, TransparentDrawable, TranslucentDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
     private val world: World = connection.world
     private val waterBlock = connection.registries.blockRegistry[ResourceLocation("minecraft:water")].nullCast<FluidBlock>()
 
-    private val chunkShader: Shader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "world"))
-    private val transparentShader: Shader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "world"))
+    private val chunkShader: Shader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "world"))
+    private val transparentShader: Shader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "world"))
     private val lightMap = LightMap(connection)
 
     val allChunkSections: SynchronizedMap<Vec2i, SynchronizedMap<Int, ChunkSectionMeshCollection>> = synchronizedMapOf()
@@ -186,15 +189,16 @@ class WorldRenderer(
     }
 
     override fun postInit() {
-        chunkShader.load()
-        (transparentShader as OpenGLShader).defines["TRANSPARENT"] = "" // ToDo
-        transparentShader.load()
         lightMap.init()
-
-        renderWindow.textureManager.staticTextures.use(chunkShader)
-        renderWindow.textureManager.staticTextures.use(transparentShader)
+        chunkShader.load()
         renderWindow.textureManager.staticTextures.animator.use(chunkShader)
         lightMap.use(chunkShader)
+
+        transparentShader.defines[Shader.TRANSPARENT_DEFINE] = ""
+        transparentShader.load()
+        renderWindow.textureManager.staticTextures.use(chunkShader)
+        renderWindow.textureManager.staticTextures.use(transparentShader)
+        renderWindow.textureManager.staticTextures.animator.use(transparentShader)
         lightMap.use(transparentShader)
 
         for (blockState in allBlocks!!) {
@@ -205,15 +209,17 @@ class WorldRenderer(
         allBlocks = null
     }
 
-    override fun update() {
+    override fun prepareDraw() {
         lastVisibleChunks = visibleChunks.toSynchronizedMap()
         lightMap.update()
     }
 
-    override fun draw() {
-        renderWindow.renderSystem.reset()
+    override fun setupOpaque() {
+        super.setupOpaque()
         chunkShader.use()
+    }
 
+    override fun drawOpaque() {
         for (map in lastVisibleChunks.values) {
             for (mesh in map.values) {
                 mesh.opaqueMesh.draw()
@@ -221,20 +227,25 @@ class WorldRenderer(
         }
     }
 
-    override fun postDraw() {
-        renderWindow.renderSystem.reset()
+    override fun setupTransparent() {
+        super.setupTransparent()
         transparentShader.use()
+    }
 
-
+    override fun drawTransparent() {
         for (map in lastVisibleChunks.values) {
             for (mesh in map.values) {
                 mesh.transparentMesh?.draw()
             }
         }
+    }
 
+    override fun setupTranslucent() {
+        super.setupTranslucent()
         chunkShader.use()
-        renderWindow.renderSystem.renderMode(RenderModes.TRANSLUCENT)
+    }
 
+    override fun drawTranslucent() {
         for (map in lastVisibleChunks.values) {
             for (mesh in map.values) {
                 mesh.translucentMesh?.draw()

src/main/java/de/bixilon/minosoft/gui/rendering/block/chunk/ChunkBorderRenderer.kt

@@ -19,6 +19,8 @@ import de.bixilon.minosoft.gui.rendering.RenderConstants
 import de.bixilon.minosoft.gui.rendering.RenderWindow
 import de.bixilon.minosoft.gui.rendering.Renderer
 import de.bixilon.minosoft.gui.rendering.RendererBuilder
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.OpaqueDrawable
 import de.bixilon.minosoft.gui.rendering.util.mesh.LineMesh
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
 import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition
@@ -27,13 +29,14 @@ import glm_.vec3.Vec3
 
 class ChunkBorderRenderer(
     val connection: PlayConnection,
-    val renderWindow: RenderWindow,
-) : Renderer {
+    override val renderWindow: RenderWindow,
+) : Renderer, OpaqueDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
     private var lastChunkPosition: Vec2i? = null
     private var lastMesh: LineMesh? = null
 
 
-    private fun prepare() {
+    override fun prepareDraw() {
         val chunkPosition = renderWindow.connection.player.positionInfo.chunkPosition
         if (chunkPosition == lastChunkPosition && lastMesh != null) {
             return
@@ -109,11 +112,13 @@ class ChunkBorderRenderer(
         this.lastChunkPosition = chunkPosition
     }
 
-    override fun draw() {
-        prepare()
-        val mesh = lastMesh ?: return
+    override fun setupOpaque() {
         renderWindow.renderSystem.reset(faceCulling = false)
         renderWindow.shaderManager.genericColorShader.use()
+    }
+
+    override fun drawOpaque() {
+        val mesh = lastMesh ?: return
         mesh.draw()
     }
 

src/main/java/de/bixilon/minosoft/gui/rendering/block/outline/BlockOutlineRenderer.kt

@@ -23,6 +23,7 @@ import de.bixilon.minosoft.gui.rendering.Renderer
 import de.bixilon.minosoft.gui.rendering.RendererBuilder
 import de.bixilon.minosoft.gui.rendering.input.camera.hit.BlockRaycastHit
 import de.bixilon.minosoft.gui.rendering.system.base.DepthFunctions
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.getWorldOffset
 import de.bixilon.minosoft.gui.rendering.util.VecUtil.toVec3d
 import de.bixilon.minosoft.gui.rendering.util.mesh.LineMesh
@@ -32,13 +33,15 @@ import glm_.vec3.Vec3i
 
 class BlockOutlineRenderer(
     val connection: PlayConnection,
-    val renderWindow: RenderWindow,
+    override val renderWindow: RenderWindow,
 ) : Renderer {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
     private var currentOutlinePosition: Vec3i? = null
     private var currentOutlineBlockState: BlockState? = null
 
     private var currentMesh: LineMesh? = null
 
+
     private fun drawMesh() {
         val currentMesh = currentMesh ?: return
         renderWindow.renderSystem.reset(faceCulling = false)
@@ -47,6 +50,7 @@ class BlockOutlineRenderer(
         }
         renderWindow.shaderManager.genericColorShader.use()
         currentMesh.draw()
+        draw()
     }
 
     private fun unload() {
@@ -57,7 +61,8 @@ class BlockOutlineRenderer(
         this.currentOutlineBlockState = null
     }
 
-    override fun draw() {
+    @Deprecated("TODO")
+    private fun draw() {
         val raycastHit = renderWindow.inputHandler.camera.target.nullCast<BlockRaycastHit>()
 
         var currentMesh = currentMesh

src/main/java/de/bixilon/minosoft/gui/rendering/entity/EntityHitBoxRenderer.kt

@@ -22,6 +22,8 @@ import de.bixilon.minosoft.gui.rendering.Renderer
 import de.bixilon.minosoft.gui.rendering.RendererBuilder
 import de.bixilon.minosoft.gui.rendering.modding.events.FrustumChangeEvent
 import de.bixilon.minosoft.gui.rendering.system.base.DepthFunctions
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.OpaqueDrawable
 import de.bixilon.minosoft.gui.rendering.util.mesh.Mesh
 import de.bixilon.minosoft.modding.event.events.EntityDestroyEvent
 import de.bixilon.minosoft.modding.event.events.EntitySpawnEvent
@@ -33,8 +35,9 @@ import de.bixilon.minosoft.util.collections.SynchronizedMap
 
 class EntityHitBoxRenderer(
     val connection: PlayConnection,
-    val renderWindow: RenderWindow,
-) : Renderer {
+    override val renderWindow: RenderWindow,
+) : Renderer, OpaqueDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
     private val meshes: SynchronizedMap<Entity, EntityHitBoxMesh> = synchronizedMapOf()
 
 
@@ -102,13 +105,15 @@ class EntityHitBoxRenderer(
         }
     }
 
-    override fun draw() {
-        renderWindow.renderSystem.reset(faceCulling = false)
+    override fun setupOpaque() {
+        renderWindow.renderSystem.reset(faceCulling = false) // ToDo?
         if (Minosoft.config.config.game.entities.hitBox.disableZBuffer) {
             renderWindow.renderSystem.depth = DepthFunctions.ALWAYS
         }
         renderWindow.shaderManager.genericColorShader.use()
+    }
 
+    override fun drawOpaque() {
         fun draw(mesh: EntityHitBoxMesh?) {
             mesh ?: return
 

src/main/java/de/bixilon/minosoft/gui/rendering/hud/HUDRenderer.kt

@@ -28,6 +28,8 @@ import de.bixilon.minosoft.gui.rendering.hud.nodes.chat.ChatBoxHUDElement
 import de.bixilon.minosoft.gui.rendering.hud.nodes.debug.HUDSystemDebugNode
 import de.bixilon.minosoft.gui.rendering.hud.nodes.debug.HUDWorldDebugNode
 import de.bixilon.minosoft.gui.rendering.modding.events.ResizeWindowEvent
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.OtherDrawable
 import de.bixilon.minosoft.modding.event.invoker.CallbackEventInvoker
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
 import de.bixilon.minosoft.protocol.protocol.ProtocolDefinition
@@ -37,10 +39,14 @@ import glm_.glm
 import glm_.mat4x4.Mat4
 import glm_.vec2.Vec2i
 
-class HUDRenderer(val connection: PlayConnection, val renderWindow: RenderWindow) : Renderer {
+class HUDRenderer(
+    val connection: PlayConnection,
+    override val renderWindow: RenderWindow,
+) : Renderer, OtherDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
     private val hudElements: MutableMap<ResourceLocation, Pair<HUDElementProperties, HUDElement>> = mutableMapOf()
     private val enabledHUDElement: MutableMap<ResourceLocation, Pair<HUDElementProperties, HUDElement>> = mutableMapOf()
-    private val hudShader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "hud"))
+    private val hudShader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "hud"))
     lateinit var hudAtlasElements: Map<ResourceLocation, HUDAtlasElement>
     var orthographicMatrix: Mat4 = Mat4()
         private set
@@ -146,7 +152,18 @@ class HUDRenderer(val connection: PlayConnection, val renderWindow: RenderWindow
         }
     }
 
-    override fun postDraw() {
+    override fun setupOther() {
+        if (!RenderConstants.RENDER_HUD) {
+            return
+        }
+        if (!hudEnabled) {
+            return
+        }
+        super.setupOther()
+        hudShader.use()
+    }
+
+    override fun drawOther() {
         if (!RenderConstants.RENDER_HUD) {
             return
         }
@@ -154,7 +171,6 @@ class HUDRenderer(val connection: PlayConnection, val renderWindow: RenderWindow
         if (!hudEnabled) {
             return
         }
-        renderWindow.renderSystem.reset()
         var needsUpdate = false
         val tempMesh = HUDMesh(renderWindow)
 
@@ -183,7 +199,6 @@ class HUDRenderer(val connection: PlayConnection, val renderWindow: RenderWindow
             tempMesh.load()
             currentHUDMesh = tempMesh
         }
-        hudShader.use()
         currentHUDMesh.draw()
     }
 

src/main/java/de/bixilon/minosoft/gui/rendering/particle/ParticleRenderer.kt

@@ -20,6 +20,9 @@ import de.bixilon.minosoft.gui.rendering.Renderer
 import de.bixilon.minosoft.gui.rendering.RendererBuilder
 import de.bixilon.minosoft.gui.rendering.modding.events.CameraMatrixChangeEvent
 import de.bixilon.minosoft.gui.rendering.particle.types.Particle
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.TranslucentDrawable
+import de.bixilon.minosoft.gui.rendering.system.base.phases.TransparentDrawable
 import de.bixilon.minosoft.gui.rendering.system.base.shader.Shader
 import de.bixilon.minosoft.modding.event.invoker.CallbackEventInvoker
 import de.bixilon.minosoft.protocol.network.connection.play.PlayConnection
@@ -32,24 +35,38 @@ import glm_.vec3.Vec3
 
 class ParticleRenderer(
     private val connection: PlayConnection,
-    val renderWindow: RenderWindow,
-) : Renderer {
-    private val particleShader: Shader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "particle"))
-    private var particleMesh = ParticleMesh(renderWindow)
-    private var transparentParticleMesh = ParticleMesh(renderWindow)
+    override val renderWindow: RenderWindow,
+) : Renderer, TransparentDrawable, TranslucentDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
+    private val transparentShader: Shader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "particle"))
+    private val translucentShader: Shader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "particle"))
+
+    // There is no opaque mesh because it is simply not needed (every particle has transparency)
+    private var transparentMesh = ParticleMesh(renderWindow)
+    private var translucentMesh = ParticleMesh(renderWindow)
 
     private var particles: MutableSet<Particle> = synchronizedSetOf()
 
     override fun init() {
         connection.registerEvent(CallbackEventInvoker.of<CameraMatrixChangeEvent> {
             renderWindow.queue += {
-                particleShader.use().setMat4("uViewProjectionMatrix", Mat4(it.viewProjectionMatrix))
-                particleShader.use().setVec3("uCameraRight", Vec3(it.viewMatrix[0][0], it.viewMatrix[1][0], it.viewMatrix[2][0]))
-                particleShader.use().setVec3("uCameraUp", Vec3(it.viewMatrix[0][1], it.viewMatrix[1][1], it.viewMatrix[2][1]))
+
+                fun applyToShader(shader: Shader) {
+                    shader.apply {
+                        use()
+                        setMat4("uViewProjectionMatrix", Mat4(it.viewProjectionMatrix))
+                        setVec3("uCameraRight", Vec3(it.viewMatrix[0][0], it.viewMatrix[1][0], it.viewMatrix[2][0]))
+                        setVec3("uCameraUp", Vec3(it.viewMatrix[0][1], it.viewMatrix[1][1], it.viewMatrix[2][1]))
+                    }
+                }
+
+                applyToShader(transparentShader)
+                applyToShader(translucentShader)
             }
         })
-        particleMesh.load()
-        transparentParticleMesh.load()
+        transparentMesh.load()
+        translucentMesh.load()
+
         connection.registries.particleTypeRegistry.forEachItem {
             for (resourceLocation in it.textures) {
                 renderWindow.textureManager.staticTextures.createTexture(resourceLocation)
@@ -60,9 +77,15 @@ class ParticleRenderer(
     }
 
     override fun postInit() {
-        particleShader.load()
-        renderWindow.textureManager.staticTextures.use(particleShader)
-        renderWindow.textureManager.staticTextures.animator.use(particleShader)
+        transparentShader.defines[Shader.TRANSPARENT_DEFINE] = ""
+        transparentShader.load()
+        renderWindow.textureManager.staticTextures.use(transparentShader)
+        renderWindow.textureManager.staticTextures.animator.use(transparentShader)
+
+        translucentShader.load()
+        renderWindow.textureManager.staticTextures.use(translucentShader)
+        renderWindow.textureManager.staticTextures.animator.use(translucentShader)
+
 
         connection.world.particleRenderer = this
     }
@@ -76,11 +99,11 @@ class ParticleRenderer(
         add(particle)
     }
 
-    override fun update() {
-        particleMesh.unload()
-        transparentParticleMesh.unload()
-        particleMesh = ParticleMesh(renderWindow)
-        transparentParticleMesh = ParticleMesh(renderWindow)
+    override fun prepareDraw() {
+        transparentMesh.unload()
+        translucentMesh.unload()
+        transparentMesh = ParticleMesh(renderWindow)
+        translucentMesh = ParticleMesh(renderWindow)
 
 
         for (particle in particles.toSynchronizedSet()) {
@@ -89,23 +112,29 @@ class ParticleRenderer(
                 this.particles -= particle
                 continue
             }
-            particle.addVertex(transparentParticleMesh, particleMesh)
+            particle.addVertex(transparentMesh, translucentMesh)
         }
 
-        particleMesh.load()
-        transparentParticleMesh.load()
+        transparentMesh.load()
+        translucentMesh.load()
     }
 
-    override fun draw() {
-        renderWindow.renderSystem.reset()
-        particleShader.use()
-        particleMesh.draw()
+    override fun setupTransparent() {
+        super.setupTransparent()
+        transparentShader.use()
     }
 
-    override fun postDraw() {
-        renderWindow.renderSystem.reset(depthMask = false)
-        particleShader.use()
-        transparentParticleMesh.draw()
+    override fun drawTransparent() {
+        transparentMesh.draw()
+    }
+
+    override fun setupTranslucent() {
+        super.setupTranslucent()
+        translucentShader.use()
+    }
+
+    override fun drawTranslucent() {
+        translucentMesh.draw()
     }
 
     companion object : RendererBuilder<ParticleRenderer> {

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/Particle.kt

@@ -181,10 +181,10 @@ abstract class Particle(
         }
     }
 
-    abstract fun addVertex(transparentMesh: ParticleMesh, particleMesh: ParticleMesh)
+    abstract fun addVertex(transparentMesh: ParticleMesh, translucentMesh: ParticleMesh)
 
     companion object {
-        private const val MAGIC_VELOCITY_CONSTANT = 0.4000000059604645
+        private const val MAGIC_VELOCITY_CONSTANT = 0.4
         private const val MAGIC_VELOCITY_CONSTANTf = MAGIC_VELOCITY_CONSTANT.toFloat()
         private const val Y_VELOCITY_TO_CHECK = 9.999999747378752E-6f
     }

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/norender/NoRenderParticle.kt

@@ -21,5 +21,5 @@ import glm_.vec3.Vec3d
 
 abstract class NoRenderParticle(connection: PlayConnection, position: Vec3d, velocity: Vec3d, data: ParticleData?) : Particle(connection, position, velocity, data) {
 
-    override fun addVertex(transparentMesh: ParticleMesh, particleMesh: ParticleMesh) {}
+    override fun addVertex(transparentMesh: ParticleMesh, translucentMesh: ParticleMesh) {}
 }

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/render/texture/TextureParticle.kt

@@ -25,13 +25,11 @@ abstract class TextureParticle(connection: PlayConnection, position: Vec3d, velo
     abstract val texture: AbstractTexture?
 
 
-    override fun addVertex(transparentMesh: ParticleMesh, particleMesh: ParticleMesh) {
-        texture?.let {
-            if (it.transparency == TextureTransparencies.TRANSLUCENT || color.alpha != 255) {
-                transparentMesh
-            } else {
-                particleMesh
-            }.addVertex(cameraPosition, scale, it, color)
-        }
+    override fun addVertex(transparentMesh: ParticleMesh, translucentMesh: ParticleMesh) {
+        val texture = texture ?: return
+        when {
+            texture.transparency == TextureTransparencies.TRANSLUCENT || color.alpha != 255 -> translucentMesh
+            else -> transparentMesh
+        }.addVertex(cameraPosition, scale, texture, color)
     }
 }

src/main/java/de/bixilon/minosoft/gui/rendering/particle/types/render/texture/advanced/AdvancedTextureParticle.kt

@@ -25,13 +25,11 @@ abstract class AdvancedTextureParticle(connection: PlayConnection, position: Vec
     var minUV: Vec2 = Vec2(0.0f, 0.0f)
     var maxUV: Vec2 = Vec2(1.0f, 1.0f)
 
-    override fun addVertex(transparentMesh: ParticleMesh, particleMesh: ParticleMesh) {
-        texture?.let {
-            if (it.transparency == TextureTransparencies.TRANSLUCENT || color.alpha != 255) {
-                transparentMesh
-            } else {
-                particleMesh
-            }.addVertex(cameraPosition, scale, it, color, minUV, maxUV)
-        }
+    override fun addVertex(transparentMesh: ParticleMesh, translucentMesh: ParticleMesh) {
+        val texture = texture ?: return
+        when {
+            texture.transparency == TextureTransparencies.TRANSLUCENT || color.alpha != 255 -> translucentMesh
+            else -> transparentMesh
+        }.addVertex(cameraPosition, scale, texture, color, minUV, maxUV)
     }
 }

src/main/java/de/bixilon/minosoft/gui/rendering/sky/SkyRenderer.kt

@@ -24,6 +24,8 @@ import de.bixilon.minosoft.gui.rendering.RendererBuilder
 import de.bixilon.minosoft.gui.rendering.modding.events.CameraMatrixChangeEvent
 import de.bixilon.minosoft.gui.rendering.system.base.BlendingFunctions
 import de.bixilon.minosoft.gui.rendering.system.base.DepthFunctions
+import de.bixilon.minosoft.gui.rendering.system.base.RenderSystem
+import de.bixilon.minosoft.gui.rendering.system.base.phases.CustomDrawable
 import de.bixilon.minosoft.gui.rendering.system.base.texture.texture.AbstractTexture
 import de.bixilon.minosoft.gui.rendering.util.mesh.SimpleTextureMesh
 import de.bixilon.minosoft.modding.event.events.TimeChangeEvent
@@ -38,10 +40,11 @@ import glm_.vec3.Vec3d
 
 class SkyRenderer(
     private val connection: PlayConnection,
-    val renderWindow: RenderWindow,
-) : Renderer {
-    private val skyboxShader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "sky/skybox"))
-    private val skySunShader = renderWindow.renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "sky/sun"))
+    override val renderWindow: RenderWindow,
+) : Renderer, CustomDrawable {
+    override val renderSystem: RenderSystem = renderWindow.renderSystem
+    private val skyboxShader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "sky/skybox"))
+    private val skySunShader = renderSystem.createShader(ResourceLocation(ProtocolDefinition.MINOSOFT_NAMESPACE, "sky/sun"))
     private val skyboxMesh = SkyboxMesh(renderWindow)
     private var skySunMesh = SimpleTextureMesh(renderWindow)
     private lateinit var sunTexture: AbstractTexture
@@ -138,7 +141,7 @@ class SkyRenderer(
         skyboxMesh.draw()
     }
 
-    override fun draw() {
+    override fun drawCustom() {
         renderWindow.renderSystem.reset(depth = DepthFunctions.LESS_OR_EQUAL)
         drawSkybox()
         drawSun()

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/RenderModes.kt

@@ -1,20 +0,0 @@
-/*
- * Minosoft
- * Copyright (C) 2021 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.system.base
-
-enum class RenderModes {
-    DEFAULT,
-    TRANSLUCENT,
-    ;
-}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/RenderSystem.kt

@@ -89,14 +89,4 @@ interface RenderSystem {
     fun createTextureManager(): TextureManager
 
     fun clear(vararg buffers: IntegratedBufferTypes)
-
-
-    fun renderMode(mode: RenderModes) {
-        when (mode) {
-            RenderModes.TRANSLUCENT -> {
-                depthMask = false
-                setBlendFunc(BlendingFunctions.SOURCE_ALPHA, BlendingFunctions.ONE_MINUS_SOURCE_ALPHA, BlendingFunctions.ONE, BlendingFunctions.ONE_MINUS_SOURCE_ALPHA)
-            }
-        }
-    }
 }

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/CustomDrawable.kt

@@ -0,0 +1,8 @@
+package de.bixilon.minosoft.gui.rendering.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+
+interface CustomDrawable : Renderer {
+
+    fun drawCustom()
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/OpaqueDrawable.kt

@@ -0,0 +1,12 @@
+package de.bixilon.minosoft.gui.rendering.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+
+interface OpaqueDrawable : Renderer {
+
+    fun setupOpaque() {
+        renderSystem.reset()
+    }
+
+    fun drawOpaque()
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/OtherDrawable.kt

@@ -0,0 +1,12 @@
+package de.bixilon.minosoft.gui.rendering.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+
+interface OtherDrawable : Renderer {
+
+    fun setupOther() {
+        renderSystem.reset()
+    }
+
+    fun drawOther()
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/RenderPhases.kt

@@ -0,0 +1,44 @@
+/*
+ * Minosoft
+ * Copyright (C) 2021 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.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+import de.bixilon.minosoft.util.KUtil.unsafeCast
+import kotlin.reflect.KClass
+
+class RenderPhases<T : Renderer>(
+    val type: KClass<T>,
+    val setup: (T) -> Unit,
+    val draw: (T) -> Unit,
+) {
+
+    fun invokeSetup(renderer: Renderer) {
+        setup.invoke(renderer.unsafeCast())
+    }
+
+    fun invokeDraw(renderer: Renderer) {
+        draw.invoke(renderer.unsafeCast())
+    }
+
+    companion object {
+        val OTHER = RenderPhases(OtherDrawable::class, { it.setupOther() }, { it.drawOther() })
+        val CUSTOM = RenderPhases(CustomDrawable::class, { }, { it.drawCustom() })
+        val OPAQUE = RenderPhases(OpaqueDrawable::class, { it.setupOpaque() }, { it.drawOpaque() })
+        val TRANSPARENT = RenderPhases(TransparentDrawable::class, { it.setupTransparent() }, { it.drawTransparent() })
+        val TRANSLUCENT = RenderPhases(TranslucentDrawable::class, { it.setupTranslucent() }, { it.drawTranslucent() })
+
+
+        val VALUES = arrayOf(OTHER, CUSTOM, OPAQUE, TRANSPARENT, TRANSLUCENT)
+    }
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/TranslucentDrawable.kt

@@ -0,0 +1,14 @@
+package de.bixilon.minosoft.gui.rendering.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+import de.bixilon.minosoft.gui.rendering.system.base.BlendingFunctions
+
+interface TranslucentDrawable : Renderer {
+
+    fun setupTranslucent() {
+        renderSystem.reset(depthMask = false) // ToDo: This is just a translucent workaround
+        renderSystem.setBlendFunc(BlendingFunctions.SOURCE_ALPHA, BlendingFunctions.ONE_MINUS_SOURCE_ALPHA, BlendingFunctions.ONE, BlendingFunctions.ONE_MINUS_SOURCE_ALPHA)
+    }
+
+    fun drawTranslucent()
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/phases/TransparentDrawable.kt

@@ -0,0 +1,12 @@
+package de.bixilon.minosoft.gui.rendering.system.base.phases
+
+import de.bixilon.minosoft.gui.rendering.Renderer
+
+interface TransparentDrawable : Renderer {
+
+    fun setupTransparent() {
+        renderSystem.reset()
+    }
+
+    fun drawTransparent()
+}

src/main/java/de/bixilon/minosoft/gui/rendering/system/base/shader/Shader.kt

@@ -30,6 +30,7 @@ interface Shader {
     val renderWindow: RenderWindow
     val resourceLocation: ResourceLocation
     val uniforms: List<String>
+    val defines: MutableMap<String, Any>
 
     val log: String
 
@@ -74,6 +75,7 @@ interface Shader {
     }
 
     companion object {
+        const val TRANSPARENT_DEFINE = "TRANSPARENT"
         val DEFAULT_DEFINES: Map<String, (renderWindow: RenderWindow) -> Any?> = mapOf(
             "ANIMATED_TEXTURE_COUNT" to {
                 max(it.textureManager.staticTextures.animator.size, 1)

src/main/java/de/bixilon/minosoft/gui/rendering/system/opengl/OpenGLShader.kt

@@ -40,7 +40,7 @@ class OpenGLShader(
 ) : Shader {
     override var loaded: Boolean = false
         private set
-    val defines: MutableMap<String, Any> = mutableMapOf()
+    override val defines: MutableMap<String, Any> = mutableMapOf()
     private var shader = -1
     override var uniforms: MutableList<String> = mutableListOf()
         private set

src/main/java/de/bixilon/minosoft/util/Pair.kt

@@ -12,6 +12,7 @@
  */
 package de.bixilon.minosoft.util
 
+@Deprecated("Java only")
 data class Pair<K, V>(
     val key: K,
     val value: V,

src/main/resources/assets/minosoft/rendering/shader/includes/postprocessing/fragment.glsl

@@ -41,7 +41,7 @@ void main() {
     float fogFactor = getFogFactor(distance(uCameraPosition, finVertexPosition));
 
     if (fogFactor != 1.0f) {
-        outColor = vec4(mix(uFogColor.rgb, outColor.rgb, fogFactor), outColor.a);
+        foutColor = vec4(mix(uFogColor.rgb, foutColor.rgb, fogFactor), foutColor.a);
     };
     #endif
 }

src/main/resources/assets/minosoft/rendering/shader/particle/particle.fsh

@@ -43,4 +43,11 @@ void main() {
     }
 
     foutColor = mix(texelColor1, texelColor2, finInterpolation) * finTintColor;
+
+
+    #ifndef TRANSPARENT
+    if (foutColor.a < 0.5){
+        discard;
+    }
+        #endif
 }

src/main/resources/assets/minosoft/rendering/shader/sky/sun/sky_sun.fsh

@@ -28,6 +28,6 @@ void main() {
     if (finTintColor.a == 1.0f && texelColor.a == 0) {
         discard;
     }
-    // outColor = vec4(0.0f, 1.0f, 1.0f, 1.0f);
+    // foutColor = vec4(0.0f, 1.0f, 1.0f, 1.0f);
     foutColor = texelColor * finTintColor;
 }

src/main/resources/assets/minosoft/rendering/shader/world/world.fsh

@@ -13,7 +13,7 @@
 
 #version 330 core
 
-out vec4 outColor;
+out vec4 foutColor;
 
 flat in uint finTextureIndex1;
 in vec3 finTextureCoordinates1;
@@ -34,7 +34,7 @@ void work() {
     }
 
     if (finInterpolation == 0.0f) {
-        outColor = firstTexelColor * finTintColor;
+        foutColor = firstTexelColor * finTintColor;
         return;
     }
 
@@ -44,10 +44,10 @@ void work() {
         discard;
     }
 
-    outColor = mix(firstTexelColor, secondTexelColor, finInterpolation) * finTintColor;
+    foutColor = mix(firstTexelColor, secondTexelColor, finInterpolation) * finTintColor;
 
     #ifndef TRANSPARENT
-    if (outColor.a < 0.5){
+    if (foutColor.a < 0.5){
         discard;
     }
         #endif