TorchBlock.cs

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using Engine;
using Engine.Graphics;
 
namespace Game {
    public class TorchBlock : Block {
        public static int Index = 31;
 
        public BlockMesh m_standaloneBlockMesh = new();
 
        public BlockMesh[] m_blockMeshesByVariant = new BlockMesh[5];
 
        public BoundingBox[][] m_collisionBoxes = new BoundingBox[5][];
 
        public TorchBlock() => CanBeBuiltIntoFurniture = true;
 
        public override void Initialize() {
            for (int i = 0; i < m_blockMeshesByVariant.Length; i++) {
                m_blockMeshesByVariant[i] = new BlockMesh();
            }
            Model model = ContentManager.Get<Model>("Models/Torch");
            Matrix boneAbsoluteTransform = BlockMesh.GetBoneAbsoluteTransform(model.FindMesh("Torch").ParentBone);
            Matrix boneAbsoluteTransform2 = BlockMesh.GetBoneAbsoluteTransform(model.FindMesh("Flame").ParentBone);
            Matrix m = Matrix.CreateRotationX(0.6f) * Matrix.CreateRotationY(0f) * Matrix.CreateTranslation(0.5f, 0.15f, -0.05f);
            m_blockMeshesByVariant[0]
            .AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * m,
                false,
                false,
                false,
                false,
                Color.White
            );
            m_blockMeshesByVariant[0]
            .AppendModelMeshPart(
                model.FindMesh("Flame").MeshParts[0],
                boneAbsoluteTransform2 * m,
                true,
                false,
                false,
                false,
                Color.White
            );
            m = Matrix.CreateRotationX(0.6f) * Matrix.CreateRotationY((float)Math.PI / 2f) * Matrix.CreateTranslation(-0.05f, 0.15f, 0.5f);
            m_blockMeshesByVariant[1]
            .AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * m,
                false,
                false,
                false,
                false,
                Color.White
            );
            m_blockMeshesByVariant[1]
            .AppendModelMeshPart(
                model.FindMesh("Flame").MeshParts[0],
                boneAbsoluteTransform2 * m,
                true,
                false,
                false,
                false,
                Color.White
            );
            m = Matrix.CreateRotationX(0.6f) * Matrix.CreateRotationY((float)Math.PI) * Matrix.CreateTranslation(0.5f, 0.15f, 1.05f);
            m_blockMeshesByVariant[2]
            .AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * m,
                false,
                false,
                false,
                false,
                Color.White
            );
            m_blockMeshesByVariant[2]
            .AppendModelMeshPart(
                model.FindMesh("Flame").MeshParts[0],
                boneAbsoluteTransform2 * m,
                true,
                false,
                false,
                false,
                Color.White
            );
            m = Matrix.CreateRotationX(0.6f) * Matrix.CreateRotationY(4.712389f) * Matrix.CreateTranslation(1.05f, 0.15f, 0.5f);
            m_blockMeshesByVariant[3]
            .AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * m,
                false,
                false,
                false,
                false,
                Color.White
            );
            m_blockMeshesByVariant[3]
            .AppendModelMeshPart(
                model.FindMesh("Flame").MeshParts[0],
                boneAbsoluteTransform2 * m,
                true,
                false,
                false,
                false,
                Color.White
            );
            m = Matrix.CreateTranslation(0.5f, 0f, 0.5f);
            m_blockMeshesByVariant[4]
            .AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * m,
                false,
                false,
                false,
                false,
                Color.White
            );
            m_blockMeshesByVariant[4]
            .AppendModelMeshPart(
                model.FindMesh("Flame").MeshParts[0],
                boneAbsoluteTransform2 * m,
                true,
                false,
                false,
                false,
                Color.White
            );
            m_standaloneBlockMesh.AppendModelMeshPart(
                model.FindMesh("Torch").MeshParts[0],
                boneAbsoluteTransform * Matrix.CreateTranslation(0f, -0.25f, 0f),
                false,
                false,
                false,
                false,
                Color.White
            );
            for (int j = 0; j < 5; j++) {
                m_collisionBoxes[j] = [m_blockMeshesByVariant[j].CalculateBoundingBox()];
            }
            base.Initialize();
        }
 
        public override void GenerateTerrainVertices(BlockGeometryGenerator generator, TerrainGeometry geometry, int value, int x, int y, int z) {
            int num = Terrain.ExtractData(value);
            if (num < m_blockMeshesByVariant.Length) {
                generator.GenerateMeshVertices(
                    this,
                    x,
                    y,
                    z,
                    m_blockMeshesByVariant[num],
                    Color.White,
                    null,
                    geometry.SubsetOpaque
                );
            }
        }
 
        public override BlockPlacementData GetPlacementValue(SubsystemTerrain subsystemTerrain,
            ComponentMiner componentMiner,
            int value,
            TerrainRaycastResult raycastResult) {
            int value2 = 0;
            if (raycastResult.CellFace.Face == 0) {
                value2 = Terrain.ReplaceData(Terrain.ReplaceContents(31), 0);
            }
            if (raycastResult.CellFace.Face == 1) {
                value2 = Terrain.ReplaceData(Terrain.ReplaceContents(31), 1);
            }
            if (raycastResult.CellFace.Face == 2) {
                value2 = Terrain.ReplaceData(Terrain.ReplaceContents(31), 2);
            }
            if (raycastResult.CellFace.Face == 3) {
                value2 = Terrain.ReplaceData(Terrain.ReplaceContents(31), 3);
            }
            if (raycastResult.CellFace.Face == 4) {
                value2 = Terrain.ReplaceData(Terrain.ReplaceContents(31), 4);
            }
            BlockPlacementData result = default;
            result.Value = value2;
            result.CellFace = raycastResult.CellFace;
            return result;
        }
 
        public override BoundingBox[] GetCustomCollisionBoxes(SubsystemTerrain terrain, int value) {
            int num = Terrain.ExtractData(value);
            if (num < m_collisionBoxes.Length) {
                return m_collisionBoxes[num];
            }
            return null;
        }
 
        public override void DrawBlock(PrimitivesRenderer3D primitivesRenderer,
            int value,
            Color color,
            float size,
            ref Matrix matrix,
            DrawBlockEnvironmentData environmentData) {
            BlocksManager.DrawMeshBlock(primitivesRenderer, m_standaloneBlockMesh, color, 2f * size, ref matrix, environmentData);
        }
    }
}