From af653e7bcff55e77b1aad8868f55a148cd53d6af Mon Sep 17 00:00:00 2001
From: saschawillems <webmaster@saschawillems.de>
Date: Sun, 13 Mar 2016 16:19:03 +0100
Subject: [PATCH] Code cleanup

---
 distancefieldfonts/distancefieldfonts.cpp | 44 +++--------------------
 1 file changed, 4 insertions(+), 40 deletions(-)

diff --git a/distancefieldfonts/distancefieldfonts.cpp b/distancefieldfonts/distancefieldfonts.cpp
index b7d2889f..b2a759ff 100644
--- a/distancefieldfonts/distancefieldfonts.cpp
+++ b/distancefieldfonts/distancefieldfonts.cpp
@@ -65,9 +65,6 @@ void parsebmFont()
 	std::ifstream fstream(filename);
 	assert(fstream.good());
 
-	// todo : from texture
-	const uint32_t texdim = 512;
-
 	while (!fstream.eof())
 	{
 		std::string line;
@@ -304,26 +301,13 @@ public:
 
 	// todo : function fill buffer with quads from font
 
-	void generateQuad()
+	// Creates a vertex buffer containing quads for the passed text
+	void generateText(std:: string text)
 	{
-		// Setup vertices for a single uv-mapped quad
-		/*
-#define dim 1.0f
-		std::vector<Vertex> vertexBuffer =
-		{
-			{ { dim,  dim, 0.0f },{ 1.0f, 1.0f } },
-			{ { -dim,  dim, 0.0f },{ 0.0f, 1.0f } },
-			{ { -dim, -dim, 0.0f },{ 0.0f, 0.0f } },
-			{ { dim, -dim, 0.0f },{ 1.0f, 0.0f } }
-		};
-#undef dim
-*/
 		std::vector<Vertex> vertexBuffer;
 		std::vector<uint32_t> indexBuffer;
 		uint32_t indexOffset = 0;
 
-		std::string text = "Vulkan";
-
 		float w = textures.fontSDF.width;
 
 		float posx = 0.0f;
@@ -365,6 +349,7 @@ public:
 			float advance = ((float)(charInfo->xadvance) / 36.0f);
 			posx += advance;
 		}
+		indices.count = indexBuffer.size();
 
 		// Center
 		for (auto& v : vertexBuffer)
@@ -373,23 +358,6 @@ public:
 			v.pos[1] -= 0.5f;
 		}
 
-		/*
-#define dim 1.0f
-		int charId = 'V';
-		float w = textures.fontSDF.width;
-		float sstart = fontChars[charId].x / w;
-		float send = (fontChars[charId].x + fontChars[charId].width) / w;
-		float tstart = fontChars[charId].y / w;
-		float tend = (fontChars[charId].y + fontChars[charId].height) / w;
-		std::vector<Vertex> vertexBuffer =
-		{
-			{ {  dim,  dim, 0.0f },{ send, tend } },
-			{ { -dim,  dim, 0.0f },{ sstart, tend } },
-			{ { -dim, -dim, 0.0f },{ sstart, tstart } },
-			{ {  dim, -dim, 0.0f },{ send, tstart } }
-		};
-#undef dim
-*/
 		createBuffer(
 			VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
 			vertexBuffer.size() * sizeof(Vertex),
@@ -397,10 +365,6 @@ public:
 			&vertices.buf,
 			&vertices.mem);
 
-		// Setup indices
-	//	std::vector<uint32_t> indexBuffer = { 0,1,2, 2,3,0 };
-		indices.count = indexBuffer.size();
-
 		createBuffer(
 			VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
 			indexBuffer.size() * sizeof(uint32_t),
@@ -720,7 +684,7 @@ public:
 		VulkanExampleBase::prepare();
 		parsebmFont();
 		loadTextures();
-		generateQuad();
+		generateText("Vulkan");
 		setupVertexDescriptions();
 		prepareUniformBuffers();
 		setupDescriptorSetLayout();