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feature/tesla-coil-tower #8

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matt merged 5 commits from feature/tesla-coil-tower into main 2026-06-25 15:57:55 -07:00
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16 changed files with 594 additions and 36 deletions
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8
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Assets/_Project/Scripts/Gameplay/BuildSiteVisual.cs
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@ -1,5 +1,4 @@
// Assets/_Project/Scripts/Gameplay/BuildSiteVisual.cs
using Unity.Collections;
using Unity.Netcode;
using UnityEngine;
using TD.Core;
@ -63,27 +62,25 @@ namespace TD.Gameplay
"Suggested: muted/grey-tinted variant of the constructing material.")]
[SerializeField] private Material pausedMaterial;
[Header("Construction stages")]
[Tooltip("Number of discrete growth stages while constructing. 4 matches the " +
"design doc (1/4 → 2/4 → 3/4 → 4/4 height).")]
[Header("Construction phases")]
[Tooltip("Project-default construction-stage visuals used when the tower being built " +
"doesn't define its own ConstructionPhases. When this (or the tower's set) " +
"has phases, the build site swaps between those phase prefabs as it builds. " +
"Leave empty to fall back to the legacy cube Y-scale growth below.")]
[SerializeField] private ConstructionPhaseSet defaultPhaseSet;
[Header("Construction stages (cube fallback)")]
[Tooltip("FALLBACK ONLY (no phase set assigned): number of discrete growth stages " +
"while constructing. 4 = 1/4 → 2/4 → 3/4 → 4/4 height.")]
[SerializeField] private int stageCount = 4;
[Tooltip("Y-scale applied to scaleTarget when Stage == Queued. Visually " +
"distinct from any constructing height so the queued ghost reads as " +
"'intent, not progress'.")]
[Tooltip("FALLBACK ONLY: Y-scale applied to scaleTarget when Stage == Queued. " +
"Visually distinct from any constructing height so the queued ghost reads " +
"as 'intent, not progress'.")]
[SerializeField] private float queuedYScale = 0.15f;
// ----- Networked state --------------------------------------------
// Replicated definition name so clients can resolve the source TowerDefinition
// (matches TowerInstance's pattern). Used for footprint size only — the visual
// prefab is the same regardless of tower type for now.
private readonly NetworkVariable<FixedString64Bytes> definitionName =
new NetworkVariable<FixedString64Bytes>(
default,
readPerm: NetworkVariableReadPermission.Everyone,
writePerm: NetworkVariableWritePermission.Server);
// Replicated owner slot for color tinting. Mirrors TowerInstance.
private readonly NetworkVariable<PlayerSlot> ownerSlot =
new NetworkVariable<PlayerSlot>(
@ -232,7 +229,6 @@ namespace TD.Gameplay
// ----- Pre-spawn init data (server) -------------------------------
private string pendingDefName;
private PlayerSlot pendingOwner = PlayerSlot.None;
private float pendingBuildTime;
private Vector2Int pendingAnchor;
@ -240,6 +236,17 @@ namespace TD.Gameplay
private int pendingGoldSpent;
private bool hasPendingInit;
// ----- Construction-phase runtime (local, all peers) --------------
// Resolved on spawn from the tower's ConstructionPhases or the defaultPhaseSet.
// When non-null with PhaseCount > 0, the build site swaps between these
// instantiated phase prefabs instead of Y-scaling the fallback cube.
private ConstructionPhaseSet effectivePhaseSet;
private GameObject[] phaseInstances; // one instantiated child per phase
private MeshRenderer[][] phaseRenderers; // cached renderers per phase, for tinting
private int activePhaseIndex = -1;
private bool usePhases;
// ----- Lifecycle --------------------------------------------------
/// <summary>
@ -261,7 +268,6 @@ namespace TD.Gameplay
return;
}
pendingDefName = def != null ? def.name : string.Empty;
pendingOwner = owner;
pendingBuildTime = def != null ? def.BuildTime : 0f;
pendingAnchor = anchorTile;
@ -281,7 +287,6 @@ namespace TD.Gameplay
// message so clients see correct values on their first OnNetworkSpawn.
if (IsServer && hasPendingInit)
{
definitionName.Value = new FixedString64Bytes(pendingDefName ?? string.Empty);
ownerSlot.Value = pendingOwner;
buildTime.Value = pendingBuildTime;
anchor.Value = pendingAnchor;
@ -290,6 +295,10 @@ namespace TD.Gameplay
hasPendingInit = false;
}
// Resolve and instantiate the construction-phase visuals (or fall back to the
// cube). Depends on towerTypeId, which is replicated by now on every peer.
ResolvePhaseSet();
// Subscribe to value changes so visual updates are reactive.
currentStage.OnValueChanged += HandleStageChanged;
@ -344,14 +353,25 @@ namespace TD.Gameplay
private void Update()
{
// While constructing, smoothly interpolate Y-scale through the stages
// based on server time. This runs on every peer (server + clients) so
// visuals stay synchronized regardless of who's looking.
// Paused stage does NOT update — Y-scale is frozen at the pause point.
// While constructing, advance the visual based on server time. Runs on every
// peer so visuals stay synchronized. Paused does NOT update — the visual is
// frozen at the pause point.
if (currentStage.Value != BuildStage.Constructing) return;
float yScale = ComputeConstructingYScale();
ApplyYScale(yScale);
if (usePhases)
{
int index = PhaseIndexFromProgress();
if (index != activePhaseIndex)
{
ShowPhase(index);
// Renderers changed with the swap — re-apply material + owner tint.
ApplyStageMaterialAndTint(BuildStage.Constructing);
}
return;
}
// Fallback: smoothly grow the cube's Y-scale through the stages.
ApplyYScale(ComputeConstructingYScale());
}
// ----- Server API -------------------------------------------------
@ -498,33 +518,117 @@ namespace TD.Gameplay
}
private void ApplyStageVisual(BuildStage stage)
{
if (usePhases)
{
// Queued shows the first phase; constructing/paused show the phase
// matching current progress. ShowPhase repoints tintedRenderers at the
// active phase instance, so material + tint are applied AFTER it.
int index = stage == BuildStage.Queued ? 0 : PhaseIndexFromProgress();
ShowPhase(index);
ApplyStageMaterialAndTint(stage);
return;
}
// Fallback: legacy cube Y-scale growth (no phase set wired).
ApplyStageMaterialAndTint(stage);
switch (stage)
{
case BuildStage.Queued: ApplyYScale(queuedYScale); break;
case BuildStage.Constructing: ApplyYScale(ComputeConstructingYScale()); break;
// ComputePausedYScale uses accumulatedConstructionTime alone when
// constructionStartServerTime is -1 (the pause sentinel).
case BuildStage.Paused: ApplyYScale(ComputePausedYScale()); break;
}
}
// Applies the stage's material + owner tint to whatever renderers are currently
// active — the cube fallback, or the active phase instance's renderers. Paused
// falls back to the constructing material if no paused material is assigned.
private void ApplyStageMaterialAndTint(BuildStage stage)
{
switch (stage)
{
case BuildStage.Queued:
SwapMaterial(queuedMaterial);
ApplyYScale(queuedYScale);
SwapMaterial(queuedMaterial); // green ghost — no owner tint
break;
case BuildStage.Constructing:
SwapMaterial(constructingMaterial);
ApplyOwnerTint();
ApplyYScale(ComputeConstructingYScale());
break;
case BuildStage.Paused:
// Use paused material if assigned; fall back to constructing
// material if not (still readable, just less distinct).
SwapMaterial(pausedMaterial != null ? pausedMaterial : constructingMaterial);
ApplyOwnerTint();
// Freeze Y-scale at whatever the accumulated progress represents.
// ComputeConstructingYScale uses accumulatedConstructionTime alone
// when constructionStartServerTime is -1 (the pause sentinel).
ApplyYScale(ComputePausedYScale());
break;
}
}
// ----- Construction phases ----------------------------------------
// Resolves the effective phase set (tower's own, else the project default) and
// instantiates one inactive child per phase. Sets usePhases=false (cube fallback)
// if neither set has any phases. Runs on every peer in OnNetworkSpawn.
private void ResolvePhaseSet()
{
var def = TowerPlacementManager.GetDefinition(towerTypeId.Value);
effectivePhaseSet =
(def != null && def.ConstructionPhases != null && def.ConstructionPhases.PhaseCount > 0)
? def.ConstructionPhases
: defaultPhaseSet;
int n = effectivePhaseSet != null ? effectivePhaseSet.PhaseCount : 0;
if (n <= 0)
{
usePhases = false;
return;
}
usePhases = true;
phaseInstances = new GameObject[n];
phaseRenderers = new MeshRenderer[n][];
// Hide the legacy fallback cube — the instantiated phase prefabs replace it.
if (scaleTarget != null) scaleTarget.gameObject.SetActive(false);
for (int i = 0; i < n; i++)
{
var prefab = effectivePhaseSet.GetPhase(i);
if (prefab == null) continue;
var go = Instantiate(prefab, transform);
go.transform.localPosition = Vector3.zero;
go.transform.localRotation = Quaternion.identity;
go.SetActive(false);
phaseInstances[i] = go;
phaseRenderers[i] = go.GetComponentsInChildren<MeshRenderer>(true);
}
}
// Activates only phase <paramref name="index"/> and points tintedRenderers at its
// renderers so the existing material/tint helpers drive the active phase.
private void ShowPhase(int index)
{
if (phaseInstances == null) return;
index = Mathf.Clamp(index, 0, phaseInstances.Length - 1);
for (int i = 0; i < phaseInstances.Length; i++)
if (phaseInstances[i] != null)
phaseInstances[i].SetActive(i == index);
activePhaseIndex = index;
tintedRenderers = phaseRenderers[index];
}
// Maps current normalized progress to a phase index (0..PhaseCount-1).
private int PhaseIndexFromProgress()
{
int n = effectivePhaseSet != null ? effectivePhaseSet.PhaseCount : 1;
if (n <= 1) return 0;
float p = ComputeProgressNormalized();
return Mathf.Clamp(Mathf.FloorToInt(p * n), 0, n - 1);
}
// Stage index 0..stageCount-1 based on elapsed server time PLUS any accumulated
// time from previous Constructing runs (resume support).
// Returned Y-scale is (stageIndex + 1) / stageCount, so stage 0 = 1/4,

32
Assets/_Project/Scripts/Towers/ConstructionPhaseSet.cs Normal file
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@ -0,0 +1,32 @@
// Assets/_Project/Scripts/Towers/ConstructionPhaseSet.cs
using UnityEngine;
namespace TD.Towers
{
/// <summary>
/// An ordered set of construction-stage visuals a build site transitions between as a
/// tower is built — typically 3 assets (early → mid → late). A tower references its own
/// set via <see cref="TowerDefinition.ConstructionPhases"/>; build sites fall back to a
/// project-default set when a tower doesn't define one.
/// </summary>
/// <remarks>
/// The entries are <b>shape</b> prefabs only. <c>BuildSiteVisual</c> applies the
/// queued (green) / constructing / paused materials and the owner tint on top, so the
/// phase assets don't need their own build-state materials. Keep them simple
/// (single material) — the build site swaps the active phase's renderer material.
/// </remarks>
[CreateAssetMenu(fileName = "ConstructionPhaseSet", menuName = "TD/Construction Phase Set")]
public class ConstructionPhaseSet : ScriptableObject
{
[Tooltip("Ordered construction-stage prefabs. Shown in sequence as the build " +
"progresses — e.g. 3 entries = early / mid / late thirds of the build.")]
[SerializeField] private GameObject[] phases;
/// <summary>Number of construction phases in this set.</summary>
public int PhaseCount => phases != null ? phases.Length : 0;
/// <summary>The phase prefab at <paramref name="index"/>, or null if out of range.</summary>
public GameObject GetPhase(int index)
=> (phases != null && index >= 0 && index < phases.Length) ? phases[index] : null;
}
}

11
Assets/_Project/Scripts/Towers/ConstructionPhaseSet.cs.meta Normal file
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serializedVersion: 2
defaultReferences: []
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icon: {instanceID: 0}
userData:
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5
Assets/_Project/Scripts/Towers/TowerDefinition.cs
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@ -68,6 +68,11 @@ namespace TD.Towers
"replace with a real mesh when art is available.")]
public GameObject TowerPrefab;
[Tooltip("Optional per-tower construction-stage visuals shown while this tower is " +
"being built. Leave empty to use the project-default set assigned on the " +
"BuildSiteVisual prefab.")]
public ConstructionPhaseSet ConstructionPhases;
[Tooltip("Icon shown on this tower's tile in the HUD build menu. Auto-generated from " +
"the TowerPrefab by the 'TD/Generate Tower Icons' menu item, or assign a " +
"Sprite manually. Null falls back to the grey placeholder icon.")]