From 892d2c73a831bebc0fc4c618dc75680f84a9f07f Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Thu, 18 Jan 2024 02:03:34 -0800
Subject: [PATCH] srb2::Draw: add sticker and small_sticker methods

- Can be aligned to place a wing on only the left or right
  sides, or both
- Width is adjustable
- Custom sticker support
---
 src/v_draw.cpp | 30 ++++++++++++++++++++++++++++++
 src/v_draw.hpp |  6 ++++++
 2 files changed, 36 insertions(+)

diff --git a/src/v_draw.cpp b/src/v_draw.cpp
index bd6aaf8f9..0653e8941 100644
--- a/src/v_draw.cpp
+++ b/src/v_draw.cpp
@@ -219,6 +219,36 @@ void Chain::button_(Button type, int ver, std::optional<bool> press) const
 	}
 }
 
+void Chain::sticker(patch_t* end_graphic, UINT8 color) const
+{
+	const auto _ = Clipper(*this);
+
+	INT32 x = x_;
+	INT32 y = y_;
+	INT32 width = width_;
+	INT32 flags = flags_ | V_FLIP;
+
+	auto fill = [&](int x, int width) { V_DrawFill(x, y, width, SHORT(end_graphic->height), color | (flags_ & ~0xFF)); };
+
+	if (align_ == Align::kRight)
+	{
+		width = -(width);
+		flags ^= V_FLIP;
+		fill(x + width, -(width));
+	}
+	else
+	{
+		fill(x, width);
+	}
+
+	V_DrawScaledPatch(x + width, y, flags, end_graphic);
+
+	if (align_ == Align::kCenter)
+	{
+		V_DrawScaledPatch(x, y, flags ^ V_FLIP, end_graphic);
+	}
+}
+
 Chain::Clipper::Clipper(const Chain& chain)
 {
 	V_SetClipRect(
diff --git a/src/v_draw.hpp b/src/v_draw.hpp
index a713b8d15..468695e7e 100644
--- a/src/v_draw.hpp
+++ b/src/v_draw.hpp
@@ -180,6 +180,10 @@ public:
 		void button(Button type, std::optional<bool> press = {}) const { button_(type, 0, press); }
 		void small_button(Button type, std::optional<bool> press = {}) const { button_(type, 1, press); }
 
+		void sticker(patch_t* end_graphic, UINT8 color) const;
+		void sticker() const { sticker(Draw::cache_patch("K_STIKEN"), 24); }
+		void small_sticker() const { sticker(Draw::cache_patch("K_STIKE2"), 24); }
+
 	private:
 		constexpr Chain() {}
 		explicit Chain(float x, float y) : x_(x), y_(y) {}
@@ -261,6 +265,8 @@ public:
 	VOID_METHOD(fill);
 	VOID_METHOD(button);
 	VOID_METHOD(small_button);
+	VOID_METHOD(sticker);
+	VOID_METHOD(small_sticker);
 
 #undef VOID_METHOD