Added text shadow, block indicator outline

src/graphics/Batch2D.cpp

@@ -71,6 +71,13 @@ void Batch2D::rect(float x, float y, float w, float h){
 	vertex(x+w, y+h, 1, 1, r,g,b,a);
 }
 
+void Batch2D::sprite(float x, float y, float w, float h, int atlasRes, int index, vec4 tint){
+	float scale = 1.0f / (float)atlasRes;
+	float u = (index % atlasRes) * scale;
+	float v = 1.0f - ((index / atlasRes) * scale) - scale;
+	rect(x, y, w, h, u, v, scale, scale, tint.r, tint.g, tint.b, tint.a);
+}
+
 void Batch2D::rect(float x, float y, float w, float h,
 					float u, float v, float tx, float ty,
 					float r, float g, float b, float a){

src/graphics/Batch2D.h

@@ -4,6 +4,8 @@
 #include <stdlib.h>
 #include <glm/glm.hpp>
 
+using namespace glm;
+
 class Mesh;
 class Texture;
 
@@ -27,6 +29,7 @@ public:
 
 	void begin();
 	void texture(Texture* texture);
+	void sprite(float x, float y, float w, float h, int atlasRes, int index, vec4 tint);
 	void rect(float x, float y, float w, float h);
 	void rect(float x, float y, float w, float h,
 						float u, float v, float tx, float ty,

src/graphics/Font.cpp

@@ -26,11 +26,34 @@ int Font::getGlyphWidth(char c) {
 }
 
 
+bool Font::isPrintableChar(char c) {
+	switch (c){
+	case ' ':
+	case '\t':
+	case '\n':
+	case '\f':
+	case '\r':
+		return false;
+	default:
+		return true;
+	}
+}
+
+
 void Font::draw(Batch2D* batch, std::string text, int x, int y) {
 	for (char c : text){
-		float u = (c % 16) / 16.0f;
-		float v = 1.0f - ((c / 16) / 16.0f) - 1.0f/16.0f;
-		batch->rect(x, y, 8, 8, u, v, 1.0f/16.0f, 1.0f/16.0f, 1,1,1,1);
+		if (isPrintableChar(c))
+			batch->sprite(x, y, 8, 8, 16, c, vec4(1.0f));
+		x += getGlyphWidth(c);
+	}
+}
+
+void Font::drawWithShadow(Batch2D* batch, std::string text, int x, int y) {
+	for (char c : text){
+		if (isPrintableChar(c)){
+			batch->sprite(x+1, y+1, 8, 8, 16, c, vec4(0.0f, 0.0f, 0.0f, 1.0f));
+			batch->sprite(x, y, 8, 8, 16, c, vec4(1.0f));
+		}
 		x += getGlyphWidth(c);
 	}
 }

src/graphics/Font.h

@@ -13,7 +13,9 @@ public:
 	~Font();
 
 	int getGlyphWidth(char c);
+	bool isPrintableChar(char c);
 	void draw(Batch2D* batch, std::string text, int x, int y);
+	void drawWithShadow(Batch2D* batch, std::string text, int x, int y);
 };
 
 #endif /* GRAPHICS_FONT_H_ */