From bc8569e56b4c828888e237f9b5bf3c8e51993283 Mon Sep 17 00:00:00 2001
From: Brendan <brendan_eyre@yahoo.co.uk>
Date: Mon, 8 Feb 2021 15:42:36 +0000
Subject: [PATCH] Added DrawRotatedStringDecal() and
 DrawRotatedStringPropDecal()

---
 olcPixelGameEngine.h | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/olcPixelGameEngine.h b/olcPixelGameEngine.h
index 97258cf..70fdeeb 100644
--- a/olcPixelGameEngine.h
+++ b/olcPixelGameEngine.h
@@ -942,7 +942,9 @@ namespace olc
 		void DrawPartialRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale = { 1.0f, 1.0f }, const olc::Pixel& tint = olc::WHITE);
 		// Draws a multiline string as a decal, with tiniting and scaling
 		void DrawStringDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
+		void DrawRotatedStringDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center = {0.0f, 0.0f},  const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
 		void DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
+		void DrawRotatedStringPropDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center = {0.0f, 0.0f},  const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
 		// Draws a single shaded filled rectangle as a decal
 		void FillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col = olc::WHITE);
 		// Draws a corner shaded rectangle as a decal
@@ -2724,6 +2726,26 @@ namespace olc
 		}
 	}
 
+	void PixelGameEngine::DrawRotatedStringDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center, const Pixel col, const olc::vf2d& scale )
+    {
+		olc::vf2d spos = center;
+		for (auto c : sText)
+		{
+			if (c == '\n')
+			{
+				spos.x = center.x; spos.y -= 8.0f;
+
+			}
+			else
+			{
+				int32_t ox = (c - 32) % 16;
+				int32_t oy = (c - 32) / 16;
+				DrawPartialRotatedDecal(pos, fontDecal, fAngle, spos, { float(ox) * 8.0f, float(oy) * 8.0f }, { 8.0f, 8.0f }, scale, col);
+				spos.x -= 8.0f;
+			}
+		}
+    }
+
 	void PixelGameEngine::DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col, const olc::vf2d& scale)
 	{
 		olc::vf2d spos = { 0.0f, 0.0f };
@@ -2743,6 +2765,27 @@ namespace olc
 		}
 	}
 
+	void PixelGameEngine::DrawRotatedStringPropDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center, const Pixel col, const olc::vf2d& scale )
+    {
+		olc::vf2d spos = center;
+
+		for (auto c : sText)
+		{
+			if (c == '\n')
+			{
+				spos.x = center.x; spos.y -= 8.0f;
+			}
+			else
+			{
+				int32_t ox = (c - 32) % 16;
+				int32_t oy = (c - 32) / 16;
+
+				DrawPartialRotatedDecal(pos, fontDecal, fAngle, spos, { float(ox) * 8.0f + float(vFontSpacing[c - 32].x), float(oy) * 8.0f }, { float(vFontSpacing[c - 32].y), 8.0f }, scale, col);
+                spos.x -= float(vFontSpacing[c - 32].y);
+			}
+		}
+    }
+
 	olc::vi2d PixelGameEngine::GetTextSize(const std::string& s)
 	{
 		olc::vi2d size = { 0,1 };