console scroll

1 files changed, 33 insertions, 13 deletions

diff --git a/src/client/console.cc b/src/client/console.cc
index 42ef78a..83d69de 100644
--- a/src/client/console.cc
+++ b/src/client/console.cc
@@ -50,6 +50,9 @@ std::deque<std::string> text;
 // console visibility
 bool console_visible;
 
+size_t console_scroll = 0;
+size_t input_pos = 0;
+
 //--- engine functions --------------------------------------------
 
 extern "C" void func_con_toggle(std::stringstream &args)
@@ -108,23 +111,29 @@ void draw()
 	gl::end();
 	
 	// draw the console text
+	if (console_scroll > text.size())
+		console_scroll = text.size();
+
 	gl::enable(GL_TEXTURE_2D);
 	std::deque<std::string>::reverse_iterator rit = text.rbegin();
-	float y = video::height*con_height-2*CHARHEIGHT-8;
+	float bottom = video::height*con_height-2*CHARHEIGHT-8;
+	float y = bottom+console_scroll*CHARHEIGHT;
 	while (y > 0 && rit < text.rend()) {
-		std::string line(*rit);
+		if (y <= bottom) {
+			std::string line(*rit);
 		
-		if (line[0] == '?')
-			gl::color(0.7f,0.7f,0.7f, 1.0f);
-		else if (line[0] == '*')
-			gl::color(1.0f,1.0f,0.0f, 1.0f);
-		else if (line[0] == '!')
-			gl::color(1.0f,0.0f,0.0f, 1.0f);
-		else
-			gl::color(1.0f,1.0f,1.0f, 1.0f);
-		line.erase(0,2);
-
-		draw_text(CHARWIDTH, y, line);
+			if (line[0] == '?')
+				gl::color(0.7f,0.7f,0.7f, 1.0f);
+			else if (line[0] == '*')
+				gl::color(1.0f,1.0f,0.0f, 1.0f);
+			else if (line[0] == '!')
+				gl::color(1.0f,0.0f,0.0f, 1.0f);
+			else
+				gl::color(1.0f,1.0f,1.0f, 1.0f);
+			line.erase(0,2);
+	
+			draw_text(CHARWIDTH, y, line);
+		}
 		y -= CHARHEIGHT;
 		++rit;
 	}
@@ -159,6 +168,9 @@ void toggle()
 {
 	console_visible = !console_visible;
 	setkeyboardmode(console_visible);
+	console_scroll = 0;
+	input.clear();
+	input_pos = 0;
 }
 
 void keypressed(const SDL_keysym &keysym)
@@ -175,6 +187,14 @@ void keypressed(const SDL_keysym &keysym)
 			input.erase(input.size()-1, 1);
 		}
 		break;
+	case SDLK_PAGEUP:
+		console_scroll +=5;
+		if (console_scroll > text.size()) console_scroll = text.size();
+		break;
+	case SDLK_PAGEDOWN:
+		if (console_scroll > 5)	console_scroll -=5;
+		else console_scroll = 0;
+		break;
 	default:
 		break;
 	}