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KSP-Conformal-Decals
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Rework bounds culling and colliders

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feature-multiSDF
Andrew Cassidy 4 years ago
parent 01e046a7f1
commit 8a056f5c72
4 changed files with 95 additions and 33 deletions
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Distribution/GameData/ConformalDecals/Plugins/ConformalDecals.dll
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3
Source/ConformalDecals/ConformalDecals.csproj
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@ -44,6 +44,9 @@
<Reference Include="UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
<HintPath>dlls\UnityEngine.CoreModule.dll</HintPath>
</Reference>
<Reference Include="UnityEngine.PhysicsModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null">
<HintPath>dlls\UnityEngine.PhysicsModule.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="MaterialModifiers\ColorMaterialProperty.cs" />

93
Source/ConformalDecals/ModuleConformalDecal.cs
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@ -6,8 +6,9 @@ using UnityEngine;
namespace ConformalDecals {
public class ModuleConformalDecal : PartModule {
[KSPField] public string decalPreviewTransform = "";
[KSPField] public string decalModelTransform = "";
[KSPField] public string decalPreviewTransform = "";
[KSPField] public string decalModelTransform = "";
[KSPField] public string decalProjectorTransform = "";
[KSPField(guiName = "Scale", guiActive = false, guiActiveEditor = true, isPersistant = true, guiFormat = "F2", guiUnits = "m"),
UI_FloatRange(minValue = 0.05f, maxValue = 4f, stepIncrement = 0.05f)]
@ -22,8 +23,12 @@ namespace ConformalDecals {
[KSPField] public MaterialPropertyCollection materialProperties;
[KSPField] public Transform decalPreviewTransformRef;
[KSPField] public Transform decalModelTransformRef;
[KSPField] public Transform decalPreviewTransformRef;
[KSPField] public Transform decalModelTransformRef;
[KSPField] public Transform decalProjectorTransformRef;
[KSPField] public Transform modelTransformRef;
[KSPField] public Transform colliderTransformRef;
[KSPField] public BoxCollider colliderRef;
private List<ProjectionTarget> _targets;
@ -50,11 +55,34 @@ namespace ConformalDecals {
}
// find preview object references
modelTransformRef = part.transform.Find("model");
decalPreviewTransformRef = part.FindModelTransform(decalPreviewTransform);
if (decalPreviewTransformRef == null) throw new FormatException("Missing decal preview reference");
decalModelTransformRef = part.FindModelTransform(decalModelTransform);
if (decalModelTransformRef == null) throw new FormatException("Missing decal mesh reference");
if (String.IsNullOrEmpty(decalModelTransform)) {
decalModelTransformRef = decalPreviewTransformRef;
}
else {
decalModelTransformRef = part.FindModelTransform(decalModelTransform);
if (decalModelTransformRef == null) throw new FormatException("Missing decal mesh reference");
}
if (String.IsNullOrEmpty(decalProjectorTransform)) {
decalProjectorTransformRef = modelTransformRef;
}
else {
decalProjectorTransformRef = part.FindModelTransform(decalProjectorTransform);
if (decalProjectorTransform == null) throw new FormatException("Missing decal projector reference");
}
colliderTransformRef = new GameObject("Decal Collider").transform;
colliderTransformRef.parent = modelTransformRef;
colliderTransformRef.position = decalProjectorTransformRef.position;
colliderTransformRef.rotation = decalProjectorTransformRef.rotation;
colliderTransformRef.gameObject.SetActive(false);
colliderRef = colliderTransformRef.gameObject.AddComponent<BoxCollider>();
}
catch (Exception e) {
this.LogException("Exception parsing partmodule", e);
@ -71,6 +99,7 @@ namespace ConformalDecals {
if ((state & StartState.Editor) != 0) {
// setup OnTweakEvent for scale and depth fields in editor
GameEvents.onEditorPartEvent.Add(OnEditorEvent);
GameEvents.onVariantApplied.Add(OnVariantApplied);
Fields[nameof(scale)].uiControlEditor.onFieldChanged = OnTweakEvent;
Fields[nameof(depth)].uiControlEditor.onFieldChanged = OnTweakEvent;
}
@ -80,16 +109,27 @@ namespace ConformalDecals {
}
}
public void OnDisable() {
private void OnDestroy() {
GameEvents.onEditorPartEvent.Remove(OnEditorEvent);
GameEvents.onVariantApplied.Remove(OnVariantApplied);
// remove from preCull delegate
Camera.onPreCull -= Render;
}
public void OnTweakEvent(BaseField field, object obj) {
// scale or depth values have been changed, so update the projection matrix for each target
Project();
}
public void OnVariantApplied(Part eventPart, PartVariant variant) {
if (IsAttached && eventPart == part.parent) {
Detach();
Attach();
}
}
public void OnEditorEvent(ConstructionEventType eventType, Part eventPart) {
if (eventPart != this.part) return;
switch (eventType) {
@ -100,7 +140,7 @@ namespace ConformalDecals {
Detach();
break;
case ConstructionEventType.PartOffsetting:
case ConstructionEventType.PartRotated:
case ConstructionEventType.PartRotating:
case ConstructionEventType.PartDragging:
Project();
break;
@ -127,6 +167,9 @@ namespace ConformalDecals {
// find all valid renderers
var renderers = part.parent.FindModelComponents<MeshRenderer>();
foreach (var renderer in renderers) {
// skip disabled renderers
if (renderer.gameObject.activeInHierarchy == false) continue;
var meshFilter = renderer.GetComponent<MeshFilter>();
if (meshFilter == null) continue; // object has a meshRenderer with no filter, invalid
var mesh = meshFilter.mesh;
@ -143,20 +186,23 @@ namespace ConformalDecals {
}
// hide preview model
//decalModelTransformRef.gameObject.SetActive(false);
decalModelTransformRef.gameObject.SetActive(false);
// enable decal collider
colliderTransformRef.gameObject.SetActive(true);
// add to preCull delegate
Camera.onPreCull += Render;
Project();
}
public void Detach() {
if (IsAttached) {
this.LogError("Detach function called but part still has parent!");
return;
}
// unhide preview model
//decalModelTransformRef.gameObject.SetActive(true);
decalModelTransformRef.gameObject.SetActive(true);
// enable decal collider
colliderTransformRef.gameObject.SetActive(false);
// remove from preCull delegate
Camera.onPreCull -= Render;
@ -166,18 +212,27 @@ namespace ConformalDecals {
public void Project() {
if (!IsAttached) return;
float width = scale;
float height = scale * aspectRatio;
// generate orthogonal matrix scale values
_orthoMatrix[0, 0] = 1 / scale;
_orthoMatrix[1, 1] = 1 / (aspectRatio * scale);
_orthoMatrix[0, 0] = 1 / width;
_orthoMatrix[1, 1] = 1 / height;
_orthoMatrix[2, 2] = 1 / depth;
// generate bounding box for decal for culling purposes
_decalBounds.center = Vector3.forward * (depth / 2);
_decalBounds.extents = new Vector3(scale / 2, aspectRatio * scale / 2, depth / 2);
_decalBounds.extents = new Vector3(width / 2, height / 2, depth / 2);
// rescale preview model
decalModelTransformRef.localScale = new Vector3(width, height, (width + height) / 2);
// assign dimensions to collider
colliderRef.center = _decalBounds.center;
colliderRef.size = _decalBounds.size;
// project to each target object
foreach (var target in _targets) {
target.Project(_orthoMatrix, _decalBounds, this.transform);
target.Project(_orthoMatrix, colliderRef.bounds, decalProjectorTransformRef);
}
}

32
Source/ConformalDecals/ProjectionTarget.cs
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@ -46,24 +46,28 @@ namespace ConformalDecals {
}
public void Project(Matrix4x4 orthoMatrix, Bounds projectorBounds, Transform projector) {
var projectorToTargetMatrix = target.worldToLocalMatrix * projector.localToWorldMatrix;
var projectionMatrix = orthoMatrix * projectorToTargetMatrix.inverse;
var decalNormal = projectorToTargetMatrix.MultiplyVector(Vector3.back).normalized;
var decalTangent = projectorToTargetMatrix.MultiplyVector(Vector3.right).normalized;
decalMPB.SetMatrix(_projectionMatrixID, projectionMatrix);
decalMPB.SetVector(_decalNormalID, decalNormal);
decalMPB.SetVector(_decalTangentID, decalTangent);
var targetBounds = new OrientedBounds(target.localToWorldMatrix, _targetRenderer.bounds);
_projectionEnabled = targetBounds.Intersects(projectorBounds);
var targetBounds = _targetRenderer.bounds;
if (targetBounds.Intersects(projectorBounds)) {
_projectionEnabled = true;
var projectorToTargetMatrix = target.worldToLocalMatrix * projector.localToWorldMatrix;
var projectionMatrix = orthoMatrix * projectorToTargetMatrix.inverse;
var decalNormal = projectorToTargetMatrix.MultiplyVector(Vector3.back).normalized;
var decalTangent = projectorToTargetMatrix.MultiplyVector(Vector3.right).normalized;
decalMPB.SetMatrix(_projectionMatrixID, projectionMatrix);
decalMPB.SetVector(_decalNormalID, decalNormal);
decalMPB.SetVector(_decalTangentID, decalTangent);
}
else {
_projectionEnabled = false;
}
}
public bool Render(Material decalMaterial, MaterialPropertyBlock partMPB, Camera camera) {
if (true) {
if (_projectionEnabled) {
decalMPB.SetFloat(PropertyIDs._RimFalloff, partMPB.GetFloat(PropertyIDs._RimFalloff));
decalMPB.SetColor(PropertyIDs._RimFalloff, partMPB.GetColor(PropertyIDs._RimFalloff));
decalMPB.SetColor(PropertyIDs._RimColor, partMPB.GetColor(PropertyIDs._RimFalloff));
Graphics.DrawMesh(_targetMesh, target.localToWorldMatrix, decalMaterial, 0, camera, 0, decalMPB, ShadowCastingMode.Off, true);

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