drewcassidy/KSP-Conformal-Decals
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Code Issues Releases Wiki Activity

Documentation and cleanup

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This commit is contained in:
Andrew Cassidy 2020-05-30 13:46:03 -07:00
parent e504936896
commit 8cd456f16e
2 changed files with 23 additions and 20 deletions
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10
Source/ConformalDecals/ModuleConformalDecal.cs
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@ -35,10 +35,12 @@ namespace ConformalDecals {
public override void OnLoad(ConfigNode node) {
if (HighLogic.LoadedSceneIsGame) {
try {
// parse MATERIAL node
var materialNode = node.GetNode("MATERIAL") ?? throw new FormatException("Missing MATERIAL node in module");
_materialProperties = new MaterialPropertyCollection(materialNode, this);
_material = _materialProperties.ParsedMaterial;
// get aspect ratio from main texture, if it exists
var mainTexture = _materialProperties.MainTextureProperty;
if (mainTexture != null) {
aspectRatio = mainTexture.AspectRatio;
@ -47,6 +49,7 @@ namespace ConformalDecals {
aspectRatio = 1;
}
// find preview object references
_decalPreviewTransform = part.FindModelTransform(decalPreviewTransform);
if (_decalPreviewTransform == null) throw new FormatException("Missing decal preview reference");
@ -60,16 +63,19 @@ namespace ConformalDecals {
}
public override void OnStart(StartState state) {
// generate orthogonal projection matrix and offset it by 0.5 on x and y axes
_orthoMatrix = Matrix4x4.identity;
_orthoMatrix[0, 3] = 0.5f;
_orthoMatrix[1, 3] = 0.5f;
if ((state & StartState.Editor) != 0) {
// setup OnTweakEvent for scale and depth fields in editor
GameEvents.onEditorPartEvent.Add(OnEditorEvent);
Fields[nameof(scale)].uiControlEditor.onFieldChanged = OnTweakEvent;
Fields[nameof(depth)].uiControlEditor.onFieldChanged = OnTweakEvent;
}
else {
// if we start in the flight scene attached, call Attach
if (IsAttached) Attach();
}
}
@ -132,7 +138,7 @@ namespace ConformalDecals {
Camera.onPreCull -= Render;
}
[KSPEvent(guiActive = false, guiName = "Project", guiActiveEditor =true, active = true)]
[KSPEvent(guiActive = false, guiName = "Project", guiActiveEditor = true, active = true)]
public void Project() {
if (!IsAttached) return;
@ -147,7 +153,7 @@ namespace ConformalDecals {
// project to each target object
foreach (var target in _targets) {
target.Project(_orthoMatrix, _decalBounds);
target.Project(_orthoMatrix, _decalBounds, this.transform);
}
}

33
Source/ConformalDecals/ProjectionTarget.cs
View File

@ -9,26 +9,23 @@ namespace ConformalDecals {
private static readonly int _decalNormalID = Shader.PropertyToID("_DecalNormal");
private static readonly int _decalTangentID = Shader.PropertyToID("_DecalTangent");
// Projector object data
public Transform Projector;
// Target object data
public readonly Transform Target;
public readonly Transform target;
private readonly Renderer _targetRenderer;
private readonly Mesh _targetMesh;
private bool _projectionEnabled;
// property block
public readonly MaterialPropertyBlock DecalMPB;
public readonly MaterialPropertyBlock decalMPB;
public ProjectionTarget(MeshRenderer targetRenderer, Mesh targetMesh, MaterialPropertyCollection properties) {
Target = targetRenderer.transform;
target = targetRenderer.transform;
_targetRenderer = targetRenderer;
_targetMesh = targetMesh;
var targetMaterial = targetRenderer.sharedMaterial;
DecalMPB = new MaterialPropertyBlock();
decalMPB = new MaterialPropertyBlock();
if (properties.UseBaseNormal) {
var normalSrcID = Shader.PropertyToID(properties.BaseNormalSrc);
@ -38,37 +35,37 @@ namespace ConformalDecals {
var normal = targetMaterial.GetTexture(normalSrcID);
if (normal != null) {
DecalMPB.SetTexture(normalDestID, targetMaterial.GetTexture(normalSrcID));
decalMPB.SetTexture(normalDestID, targetMaterial.GetTexture(normalSrcID));
var normalScale = targetMaterial.GetTextureScale(normalSrcID);
var normalOffset = targetMaterial.GetTextureOffset(normalSrcID);
DecalMPB.SetVector(normalDestIDST, new Vector4(normalScale.x, normalScale.y, normalOffset.x, normalOffset.y));
decalMPB.SetVector(normalDestIDST, new Vector4(normalScale.x, normalScale.y, normalOffset.x, normalOffset.y));
}
}
}
public void Project(Matrix4x4 orthoMatrix, Bounds projectorBounds) {
var projectorToTargetMatrix = Target.worldToLocalMatrix * Projector.localToWorldMatrix;
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);
decalMPB.SetMatrix(_projectionMatrixID, projectionMatrix);
decalMPB.SetVector(_decalNormalID, decalNormal);
decalMPB.SetVector(_decalTangentID, decalTangent);
var targetBounds = new OrientedBounds(Target.localToWorldMatrix, _targetRenderer.bounds);
var targetBounds = new OrientedBounds(target.localToWorldMatrix, _targetRenderer.bounds);
_projectionEnabled = targetBounds.Intersects(projectorBounds);
}
public bool Render(Material decalMaterial, MaterialPropertyBlock partMPB, Camera camera) {
if (_projectionEnabled) {
DecalMPB.SetFloat(PropertyIDs._RimFalloff, partMPB.GetFloat(PropertyIDs._RimFalloff));
DecalMPB.SetColor(PropertyIDs._RimFalloff, partMPB.GetColor(PropertyIDs._RimFalloff));
decalMPB.SetFloat(PropertyIDs._RimFalloff, partMPB.GetFloat(PropertyIDs._RimFalloff));
decalMPB.SetColor(PropertyIDs._RimFalloff, partMPB.GetColor(PropertyIDs._RimFalloff));
Graphics.DrawMesh(_targetMesh, Target.localToWorldMatrix, decalMaterial, 0, camera, 0, DecalMPB, ShadowCastingMode.Off, true);
Graphics.DrawMesh(_targetMesh, target.localToWorldMatrix, decalMaterial, 0, camera, 0, decalMPB, ShadowCastingMode.Off, true);
return true;
}