From d78793c979c665aa77fdb7f5dbf43dead62ce57e Mon Sep 17 00:00:00 2001
From: Nat Quayle Nelson <natquaylenelson@gmail.com>
Date: Mon, 17 Feb 2025 12:33:08 -0600
Subject: [PATCH] store clip_rects of RenderTextures

---
 src/gfx/render_image.cpp  |  1 +
 src/gfx/render_shapes.cpp | 15 +++++++++++++++
 src/gfx/render_text.cpp   |  1 +
 3 files changed, 17 insertions(+)

diff --git a/src/gfx/render_image.cpp b/src/gfx/render_image.cpp
index e1a2c17b..57a5244b 100644
--- a/src/gfx/render_image.cpp
+++ b/src/gfx/render_image.cpp
@@ -123,6 +123,7 @@ void rect_draw_some_item(const sf::Texture& src_gworld,rectangle src_rect,const
 }
 
 std::map<sf::RenderTexture*,std::vector<sf::Text>> store_scale_aware_text;
+std::map<sf::RenderTexture*,rectangle> store_clip_rects;
 
 static void draw_stored_scale_aware_text(sf::RenderTexture& texture, sf::RenderTarget& dest_window, rectangle targ_rect) {
 	// Temporarily switch target window to its unscaled view to draw scale-aware text
diff --git a/src/gfx/render_shapes.cpp b/src/gfx/render_shapes.cpp
index bc08df31..b5deff1c 100644
--- a/src/gfx/render_shapes.cpp
+++ b/src/gfx/render_shapes.cpp
@@ -242,8 +242,18 @@ void Region::setStencil(sf::RenderWindow& where) {
 	glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
 }
 
+extern std::map<sf::RenderTexture*,rectangle> store_clip_rects;
+
 void clip_rect(sf::RenderTarget& where, rectangle rect) {
 	rect &= rectangle(where); // Make sure we don't draw out of bounds
+
+	// Text isn't actually drawn onto Render Textures, so the render texture's clip rect
+	// needs to be stored externally to be applied to text later
+	if(dynamic_cast<sf::RenderTexture*>(&where) != nullptr){
+		sf::RenderTexture* p = dynamic_cast<sf::RenderTexture*>(&where);
+		store_clip_rects[p] = rect;
+	}
+
 	// TODO: Make sure this works for the scissor test...
 	setActiveRenderTarget(where);
 	auto viewport = where.getView().getViewport();
@@ -259,6 +269,11 @@ void clip_region(sf::RenderWindow& where, Region& region) {
 }
 
 void undo_clip(sf::RenderTarget& where) {
+	if(dynamic_cast<sf::RenderTexture*>(&where) != nullptr){
+		sf::RenderTexture* p = dynamic_cast<sf::RenderTexture*>(&where);
+		store_clip_rects.erase(p);
+	}
+
 	setActiveRenderTarget(where);
 	glDisable(GL_SCISSOR_TEST);
 	glDisable(GL_STENCIL_TEST);
diff --git a/src/gfx/render_text.cpp b/src/gfx/render_text.cpp
index 8d0a75ff..5cfd973f 100644
--- a/src/gfx/render_text.cpp
+++ b/src/gfx/render_text.cpp
@@ -137,6 +137,7 @@ break_info_t calculate_line_wrapping(rectangle dest_rect, std::string str, TextS
 
 // I don't know of a better way to do this than using pointers as keys.
 extern std::map<sf::RenderTexture*,std::vector<sf::Text>> store_scale_aware_text;
+extern std::map<sf::RenderTexture*,rectangle> store_clip_rects;
 
 void clear_scale_aware_text(sf::RenderTexture& texture) {
 	store_scale_aware_text.erase(&texture);