From 668026125ae19b9bd800004ae9ec0510f20753ad Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Wed, 6 Aug 2008 14:40:36 +0000
Subject: improved target drawing

---
 src/client/targets.cc | 59 +++++++++++++++++++++++++++++++++++++++++++++------
 src/client/view.cc    | 10 ++++-----
 2 files changed, 57 insertions(+), 12 deletions(-)

(limited to 'src/client')

diff --git a/src/client/targets.cc b/src/client/targets.cc
index 8dc5c07..e140df2 100644
--- a/src/client/targets.cc
+++ b/src/client/targets.cc
@@ -10,6 +10,7 @@
 #include <iomanip>
 
 #include "audio/audio.h"
+#include "auxiliary/functions.h"
 #include "audio/sources.h"
 #include "client/input.h"
 #include "client/view.h"
@@ -18,6 +19,7 @@
 #include "core/entity.h"
 #include "core/func.h"
 #include "core/gameinterface.h"
+#include "math/axis.h"
 #include "math/vector3f.h"
 #include "render/gl.h"
 #include "render/render.h"
@@ -347,6 +349,8 @@ void draw_target()
 
 	core::Entity *entity = current_target;
 
+	
+
 	// if target is in visible space
 	Vector3f v(entity->state()->location() - render::Camera::eye());
 	v.normalize();
@@ -364,17 +368,58 @@ void draw_target()
 			+ plane_normal.y * (entity->state()->location().y - render::Camera::eye().y)
 			+ plane_normal.z * (entity->state()->location().z - render::Camera::eye().z);
 
-		Vector3f intersection = render::Camera::eye() + (entity->state()->location() - render::Camera::eye()) * t;
+		//Vector3f intersection = render::Camera::eye() + (entity->state()->location() - render::Camera::eye()) * t;
+		//intersection -=  render::Camera::eye()
+		Vector3f intersection =  (entity->state()->location() - render::Camera::eye()) * t;
+
+		Vector3f center(render::Camera::axis().transpose()*intersection);
+
+		float cx = video::width * (0.5 - center.y);
+		float cy = video::height * (0.5 - center.z  * render::Camera::aspect());
+
+		const float pointer_size = 48.0f;
+		const float r = pointer_size;
+
+		render::gl::disable(GL_TEXTURE_2D);
+
+		render::gl::color(0, 0, 0, 1);
+		render::gl::begin(render::gl::LineLoop);
+		glVertex3f(cx+r, cy+2, 0);
+		glVertex3f(cx, cy+r+2, 0);
+		glVertex3f(cx-r, cy+2, 0);
+		glVertex3f(cx, cy-r+2, 0);
+		render::gl::end();
 
-		// draw the target cursor in the frustum front plane, but in real world coordinates
-		const float r = 0.05;
 		render::gl::color(1, 1, 1, 1);
 		render::gl::begin(render::gl::LineLoop);
-		render::gl::vertex(intersection + render::Camera::axis().up() * r);
-		render::gl::vertex(intersection + render::Camera::axis().left() * r);
-		render::gl::vertex(intersection - render::Camera::axis().up() * r);
-		render::gl::vertex(intersection - render::Camera::axis().left() * r);
+		glVertex3f(cx+r, cy, 0);
+		glVertex3f(cx, cy+r, 0);
+		glVertex3f(cx-r, cy, 0);
+		glVertex3f(cx, cy-r, 0);
 		render::gl::end();
+		
+		render::gl::enable(GL_TEXTURE_2D);
+
+		std::stringstream str;
+
+		// entity name	
+		render::Text::setcolor('B');
+		render::Text::draw(cx-aux::text_length(entity->name()) * render::Text::fontwidth()*0.5f, cy-r-4- render::Text::fontheight(), entity->name());
+	
+
+		d = math::distance(core::localcontrol()->location(), entity->state()->location()) - entity->radius() - core::localcontrol()->radius();
+		if (d > 0 ) {
+			if (d > 100) {
+				str << roundf(d * 0.1f) << "km";
+			} else {
+				str << roundf(d * 100.0f) << "m";
+			}
+		} else {
+			str << "--";
+		}
+		render::Text::setcolor('B');
+		render::Text::draw(cx - aux::text_length(str.str()) * render::Text::fontwidth() * 0.5f, cy - render::Text::fontheight() * 0.5f, str);
+
 	}
 }
 
diff --git a/src/client/view.cc b/src/client/view.cc
index 6c792d6..4fe7a33 100644
--- a/src/client/view.cc
+++ b/src/client/view.cc
@@ -214,7 +214,7 @@ void draw_cursor()
 		return;
 
 	float angle = 0;
-	float pointer_size = 48.0f;
+	const float pointer_size = 48.0f;
 	float x = (float) input::mouse_position_x() - (pointer_size / 2.0f);
 	float y = (float) input::mouse_position_y() - (pointer_size / 2.0f);
 	bool cursor_animated = false;
@@ -392,9 +392,6 @@ void frame(float seconds)
 	if (core::application()->connected() && core::game()->serverframetime()) {
 		render::draw(seconds);		// draw the world
 		targets::frame();
-		if (draw_ui->value()) {
-			targets::draw_target();
-		}
 	}
 
 	// switch to orthographic projection to draw the GUI
@@ -423,7 +420,10 @@ void frame(float seconds)
 	// draw text elements
 	if (draw_ui->value()) {
 		Text::setfont("bitmaps/fonts/gui", 12, 18);
-		
+
+		// draw the current target selection	
+		targets::draw_target();
+
 		// draw the player status
 		draw_status();		
 
-- 
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