From 625b78bba16dcbbe97fa84bbf8f2273472d79ade Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Thu, 6 Mar 2025 00:25:22 +0000
Subject: Pass frustum into render functions

Support for culling objects outside the view frustum
---
 ui/editNetwork.cpp      | 8 ++++----
 ui/editNetwork.h        | 4 ++--
 ui/gameMainSelector.cpp | 6 +++---
 ui/gameMainSelector.h   | 4 ++--
 ui/gameMainWindow.cpp   | 8 ++++----
 ui/gameMainWindow.h     | 2 +-
 ui/worldOverlay.h       | 3 ++-
 7 files changed, 18 insertions(+), 17 deletions(-)

(limited to 'ui')

diff --git a/ui/editNetwork.cpp b/ui/editNetwork.cpp
index c4c0297..2887491 100644
--- a/ui/editNetwork.cpp
+++ b/ui/editNetwork.cpp
@@ -48,19 +48,19 @@ EditNetwork::handleInput(const SDL_Event & e, const UIComponent::Position & pare
 }
 
 void
-EditNetwork::render(const SceneShader & shader) const
+EditNetwork::render(const SceneShader & shader, const Frustum & frustum) const
 {
 	if (builder) {
 		blue.bind();
 		shader.absolute.use();
-		builder->render(shader);
+		builder->render(shader, frustum);
 	}
 }
 
 void
-EditNetwork::Builder::render(const SceneShader & shader) const
+EditNetwork::Builder::render(const SceneShader & shader, const Frustum & frustum) const
 {
-	candidateLinks.apply<const Renderable>(&Renderable::render, shader);
+	candidateLinks.apply<const Renderable>(&Renderable::render, shader, frustum);
 }
 
 void
diff --git a/ui/editNetwork.h b/ui/editNetwork.h
index 2ae467d..ae887bd 100644
--- a/ui/editNetwork.h
+++ b/ui/editNetwork.h
@@ -18,7 +18,7 @@ public:
 	bool click(const SDL_MouseButtonEvent & e, const Ray<GlobalPosition3D> &) override;
 	bool move(const SDL_MouseMotionEvent & e, const Ray<GlobalPosition3D> &) override;
 	bool handleInput(const SDL_Event & e, const UIComponent::Position &) override;
-	void render(const SceneShader &) const override;
+	void render(const SceneShader &, const Frustum &) const override;
 	void render(const UIShader & shader, const UIComponent::Position & pos) const override;
 
 	using NetworkClickPos = std::variant<GlobalPosition3D, Node::Ptr>;
@@ -26,7 +26,7 @@ public:
 	class Builder {
 	public:
 		virtual ~Builder() = default;
-		virtual void render(const SceneShader & shader) const;
+		virtual void render(const SceneShader & shader, const Frustum &) const;
 		virtual std::string hint() const = 0;
 		virtual void click(Network *, const GeoData *, const SDL_MouseButtonEvent &, const Ray<GlobalPosition3D> &) = 0;
 		virtual void move(Network *, const GeoData *, const SDL_MouseMotionEvent &, const Ray<GlobalPosition3D> &) = 0;
diff --git a/ui/gameMainSelector.cpp b/ui/gameMainSelector.cpp
index a817f69..23ae8c0 100644
--- a/ui/gameMainSelector.cpp
+++ b/ui/gameMainSelector.cpp
@@ -33,10 +33,10 @@ GameMainSelector::render(const UIShader & shader, const Position & parentPos) co
 }
 
 void
-GameMainSelector::render(const SceneShader & shader) const
+GameMainSelector::render(const SceneShader & shader, const Frustum & frustum) const
 {
 	if (target) {
-		target->render(shader);
+		target->render(shader, frustum);
 	}
 }
 
@@ -115,6 +115,6 @@ GameMainSelector::Component::render(const UIShader &, const UIComponent::Positio
 }
 
 void
-GameMainSelector::Component::render(const SceneShader &) const
+GameMainSelector::Component::render(const SceneShader &, const Frustum &) const
 {
 }
diff --git a/ui/gameMainSelector.h b/ui/gameMainSelector.h
index ccf0fa0..e715823 100644
--- a/ui/gameMainSelector.h
+++ b/ui/gameMainSelector.h
@@ -24,13 +24,13 @@ public:
 		virtual bool move(const SDL_MouseMotionEvent &, const Ray<GlobalPosition3D> &);
 		virtual bool handleInput(const SDL_Event &, const Position & pos);
 		virtual void render(const UIShader & shader, const Position & pos) const;
-		virtual void render(const SceneShader &) const;
+		virtual void render(const SceneShader &, const Frustum &) const;
 	};
 
 	GameMainSelector(const Camera * c, ScreenAbsCoord size);
 
 	void render(const UIShader & shader, const Position & pos) const override;
-	void render(const SceneShader & shader) const override;
+	void render(const SceneShader & shader, const Frustum &) const override;
 
 	bool handleInput(const SDL_Event & e, const Position &) override;
 
diff --git a/ui/gameMainWindow.cpp b/ui/gameMainWindow.cpp
index c53300b..3403afa 100644
--- a/ui/gameMainWindow.cpp
+++ b/ui/gameMainWindow.cpp
@@ -54,15 +54,15 @@ GameMainWindow::render() const
 }
 
 void
-GameMainWindow::content(const SceneShader & shader) const
+GameMainWindow::content(const SceneShader & shader, const Frustum & frustum) const
 {
 	for (const auto & [id, asset] : gameState->assets) {
 		if (const auto r = std::dynamic_pointer_cast<const Renderable>(asset)) {
-			r->render(shader);
+			r->render(shader, frustum);
 		}
 	}
-	gameState->world.apply<Renderable>(&Renderable::render, shader);
-	uiComponents.apply<WorldOverlay>(&WorldOverlay::render, shader);
+	gameState->world.apply<Renderable>(&Renderable::render, shader, frustum);
+	uiComponents.apply<WorldOverlay>(&WorldOverlay::render, shader, frustum);
 }
 
 void
diff --git a/ui/gameMainWindow.h b/ui/gameMainWindow.h
index fcbd135..112d23b 100644
--- a/ui/gameMainWindow.h
+++ b/ui/gameMainWindow.h
@@ -17,7 +17,7 @@ public:
 	void render() const override;
 
 private:
-	void content(const SceneShader &) const override;
+	void content(const SceneShader &, const Frustum &) const override;
 	void environment(const SceneShader &, const SceneRenderer &) const override;
 	void lights(const SceneShader &) const override;
 	void shadows(const ShadowMapper &) const override;
diff --git a/ui/worldOverlay.h b/ui/worldOverlay.h
index 18fab3f..a0f3b65 100644
--- a/ui/worldOverlay.h
+++ b/ui/worldOverlay.h
@@ -1,9 +1,10 @@
 #pragma once
 
 class SceneShader;
+class Frustum;
 
 class WorldOverlay {
 public:
 	virtual ~WorldOverlay() = default;
-	virtual void render(const SceneShader &) const = 0;
+	virtual void render(const SceneShader &, const Frustum &) const = 0;
 };
-- 
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