z buffer fix for minecraft pipeline

engine/inc/renderer/core/gs/renderer_core_gs.hpp

@@ -28,6 +28,8 @@ class RendererCoreGS {
 
   void flipBuffers();
 
+  void enableZTests();
+
  private:
   constexpr static float gsCenter = 4096.0F;
   constexpr static float screenCenter = gsCenter / 2.0F;

engine/src/renderer/3d/pipeline/minecraft/minecraft_pipeline.cpp

@@ -60,6 +60,9 @@ void MinecraftPipeline::setLod() {
 void MinecraftPipeline::onUse() {
   spamBuffers = new McpipBlock**[spamBuffersCount];
   spamCounts = new u32[spamBuffersCount];
+
+  rendererCore->gs.enableZTests();
+
   manager.allocateOnUse();
 
   manager.uploadVU1Programs();

engine/src/renderer/core/gs/renderer_core_gs.cpp

@@ -89,6 +89,15 @@ void RendererCoreGS::allocateBuffers() {
   TYRA_LOG("Framebuffers, zBuffer set and allocated!");
 }
 
+void RendererCoreGS::enableZTests() {
+  packet2_reset(zTestPacket, false);
+  packet2_update(zTestPacket,
+                 draw_enable_tests(zTestPacket->base, 0, &zBuffer));
+  packet2_update(zTestPacket, draw_finish(zTestPacket->next));
+  dma_channel_wait(DMA_CHANNEL_GIF, 0);
+  dma_channel_send_packet2(zTestPacket, DMA_CHANNEL_GIF, true);
+}
+
 void RendererCoreGS::initDrawingEnvironment() {
   packet2_t* packet2 = packet2_create(20, P2_TYPE_NORMAL, P2_MODE_NORMAL, 0);
   packet2_update(packet2, draw_setup_environment(packet2->base, 0, frameBuffers,