From 172beac34e82c86f8c16b8a1be5fca9d7ccfc0d1 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sun, 18 Aug 2024 16:14:29 +0100
Subject: Update asset stencils from shadow mapper

---
 game/scenary/foliage.cpp | 13 +++++++++----
 game/scenary/foliage.h   |  1 +
 2 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'game/scenary')

diff --git a/game/scenary/foliage.cpp b/game/scenary/foliage.cpp
index ba1b37e..13d2f3b 100644
--- a/game/scenary/foliage.cpp
+++ b/game/scenary/foliage.cpp
@@ -3,7 +3,6 @@
 #include "gfx/gl/shadowMapper.h"
 #include "gfx/gl/vertexArrayObject.h"
 #include "gfx/models/texture.h"
-#include "location.h"
 
 bool
 Foliage::persist(Persistence::PersistenceStore & store)
@@ -17,9 +16,15 @@ Foliage::postLoad()
 	texture = getTexture();
 	bodyMesh->configureVAO(instanceVAO)
 			.addAttribs<LocationVertex, &LocationVertex::first, &LocationVertex::second>(instances.bufferName(), 1);
-	ShadowStenciller ss;
-	ss.renderStencil(shadowStencil, *bodyMesh, texture);
-	Texture::saveDepth(shadowStencil, std::format("/tmp/stencil-{}.tga", id).c_str());
+}
+
+void
+Foliage::updateStencil(const ShadowStenciller & ss) const
+{
+	if (instances.size() > 0) {
+		ss.renderStencil(shadowStencil, *bodyMesh, texture);
+		Texture::saveDepth(shadowStencil, std::format("/tmp/stencil-{}.tga", id).c_str());
+	}
 }
 
 void
diff --git a/game/scenary/foliage.h b/game/scenary/foliage.h
index 5367d44..fa6c63b 100644
--- a/game/scenary/foliage.h
+++ b/game/scenary/foliage.h
@@ -20,6 +20,7 @@ public:
 	mutable InstanceVertices<LocationVertex> instances;
 	void render(const SceneShader &) const override;
 	void shadows(const ShadowMapper &) const override;
+	void updateStencil(const ShadowStenciller &) const override;
 	glTexture shadowStencil = ShadowStenciller::createStencilTexture(256, 256);
 
 protected:
-- 
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