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@ -5,42 +5,40 @@ namespace Restock
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{
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/* Extends the stock CModuleLinkedMesh used on struts and pipes to make pipe textures repeat instead of stretch when
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a pipe is extended beyond its default length */
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public class ModuleRestockLinkedMesh : CModuleLinkedMesh
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{
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// the direction along the texture that the pipe points. set to "x" or "y"
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[KSPField]
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public string stretchAxis = "x";
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[KSPField] public string stretchAxis = "x";
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// space-seperated list of textures to be effected by the length, preferably all of the ones on the material
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// Unity has no good way to get all the texture names attached to a material so it has to be set manually, unfortunately
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[KSPField]
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public string stretchTextures = "_MainTex";
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[KSPField] public string stretchTextures = "_MainTex";
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// reference to the material we will be modifying
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private Material[] pipeMaterials;
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// array of property IDs corresponding to the textures
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private int[] pipeMaterialIDs;
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// index of the texture scale vector, 0 for x, 1 for y
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private int pipeStretchIndex;
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// initial scale of the pipe object, may not be 1
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private float baseStretch;
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// scale vector for the material
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private Vector2 texScale = Vector2.one;
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// offset vector for the material
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private Vector2 texOffset = Vector2.zero;
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public override void OnStart(StartState state)
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{
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base.OnStart(state);
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// get all materials on the line object, including disabled ones
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var renderers = line.GetComponentsInChildren<MeshRenderer>(true);
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pipeMaterials = new Material[renderers.Length];
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@ -48,7 +46,7 @@ namespace Restock
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{
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pipeMaterials[i] = renderers[i].material;
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}
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// split texture list and convert to property IDs for easy access
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var texNames = stretchTextures.Split(' ');
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pipeMaterialIDs = new int[texNames.Length];
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@ -56,11 +54,11 @@ namespace Restock
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{
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pipeMaterialIDs[i] = Shader.PropertyToID(texNames[i]);
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}
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// default to 'x' if an invalid value is used
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pipeStretchIndex = stretchAxis != "y" ? 0 : 1;
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baseStretch = part.scaleFactor;
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GameEvents.onEditorVariantApplied.Add(OnVariantApplied);
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}
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@ -91,23 +89,24 @@ namespace Restock
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{
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if (appliedPart == part) UpdateStretch();
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}
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// updates the texture stretch to match the pipe object's local scale
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private void UpdateStretch()
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{
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var stretch = line.localScale.z / baseStretch;
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texScale[pipeStretchIndex] = stretch;
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texOffset[pipeStretchIndex] = (1 - stretch) / 2;
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for (var i = 0; i < pipeMaterials.Length; i++)
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foreach (var material in pipeMaterials)
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{
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var material = pipeMaterials[i];
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for (var j = 0; j < pipeMaterialIDs.Length; j++)
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foreach (var id in pipeMaterialIDs)
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{
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var id = pipeMaterialIDs[j];
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material.SetTextureScale(id, texScale);
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material.SetTextureOffset(id, texOffset);
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if (material.HasProperty(id))
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{
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material.SetTextureScale(id, texScale);
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material.SetTextureOffset(id, texOffset);
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}
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}
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}
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}
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