every player within 1024 game units is drawn as target

1 files changed, 113 insertions, 95 deletions

diff --git a/src/client/targets.cc b/src/client/targets.cc
index e140df2..b16ae13 100644
--- a/src/client/targets.cc
+++ b/src/client/targets.cc
@@ -19,6 +19,7 @@
 #include "core/entity.h"
 #include "core/func.h"
 #include "core/gameinterface.h"
+#include "core/range.h"
 #include "math/axis.h"
 #include "math/vector3f.h"
 #include "render/gl.h"
@@ -39,10 +40,20 @@ core::Cvar *snd_engines = 0;
 
 bool is_legal_target(core::Entity *entity)
 {
-	if (entity->id() == core::localcontrol()->id())
+	if (entity->id() == core::localcontrol()->id()) {
 		return false;
-	else
-		return true;
+	} else if (entity->state()->distance() < 0.001f) {
+		return false;
+	} else {
+		if (entity->type() != core::Entity::Controlable) {
+			return entity->state()->visible();
+
+		} else if (entity->state()->distance() < core::range::max) {
+			return true;
+		}
+	}
+
+	return false;
 }
 
 core::Entity* current()
@@ -271,8 +282,83 @@ void render_entity_sound(core::Entity *entity)
 	}
 }
 
-// render client targets
-void frame()
+//core::Entity *entity = current_target;
+void draw_entity_target(core::Entity *entity, bool is_active_target)
+{
+	using math::Vector3f;
+
+	// don't draw target if we're very close to it
+	if (entity->state()->distance() < 0.001f)
+		return;
+
+	// don't draw target if it is outside the visible cone
+	Vector3f target(entity->state()->location() - render::Camera::eye());
+	if (math::dotproduct(render::Camera::axis().forward(), Vector3f::normalized(target)) < 0.75 )
+		return;
+
+	// transform the target into the normalized coordinate system
+	target = render::Camera::axis().transpose() * target;
+
+	// calculate the intersection between the line (0,0,0)-target and the frustum front
+	float t = (render::Camera::frustum_front() + 0.001f) / target.x;
+	Vector3f center(target *t);
+
+	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;
+	float r = pointer_size;
+	if (!is_active_target)
+		r *= 0.5;
+
+	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();
+
+	render::gl::color(1, 1, 1, 1);
+	render::gl::begin(render::gl::LineLoop);
+	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);
+
+	if (is_active_target) {
+		// entity name	and distance
+		std::stringstream strdistance;
+		float d = math::distance(core::localcontrol()->location(), entity->state()->location()) - entity->radius() - core::localcontrol()->radius();
+		if (d > 0 ) {
+			if (d > 100) {
+				strdistance << roundf(d * 0.1f) << "km";
+			} else {
+				strdistance << roundf(d * 100.0f) << "m";
+			}
+		} else {
+			strdistance << "--";
+		}
+		if (entity->type() == core::Entity::Controlable) {
+			render::Text::setcolor('B');
+		} else {
+			render::Text::setcolor('N');
+		}
+		render::Text::draw(cx-aux::text_length(entity->name()) * render::Text::fontwidth()*0.5f, 
+			cy-r-4- render::Text::fontheight(), entity->name());
+
+		render::Text::draw(cx - aux::text_length(strdistance.str()) * render::Text::fontwidth() * 0.5f,
+			cy - render::Text::fontheight() * 0.5f, strdistance);
+	}
+}
+
+// render targets and sounds
+void draw()
 {
 	core::Zone *zone = core::localplayer()->zone();
 	if (!zone)
@@ -299,7 +385,7 @@ void frame()
 	cursor -= render::Camera::axis().left() * x;
 	cursor -= render::Camera::axis().up() * y;
 
-	math::Vector3f center = render::Camera::eye() + (render::Camera::axis().forward() * (render::Camera::frustum_front() +0.01f));
+	math::Vector3f center = render::Camera::eye() + (render::Camera::axis().forward() * (render::Camera::frustum_front() +0.001f));
 	for (core::Zone::Content::iterator it=zone->content().begin(); it != zone->content().end(); it++) {
 		core::Entity *entity = (*it);
 		
@@ -307,22 +393,35 @@ void frame()
 		render_entity_sound(entity);
 
 		// find the current target
-		if (entity->id() == current_target_id) {
-			current_target = entity;
-		}
+		if (core::localcontrol() && is_legal_target(entity)) {
+
+			if (entity->id() == current_target_id) {
+				current_target = entity;
+				draw_entity_target(current_target, true);
+			} else if (entity->type() == core::Entity::Controlable) {
+				draw_entity_target(entity, false);
+			}
 		
-		// check if the mouse is hovering the entity
-		if (core::localcontrol() && entity->state()->visible()) {
+			// check if the mouse is hovering the entity
 			Vector3f v(entity->state()->location() - render::Camera::eye());
 			v.normalize();
 
-			if (is_legal_target(entity) && (math::dotproduct(render::Camera::axis().forward(), v) > 0.75 )) {
+			if (math::dotproduct(render::Camera::axis().forward(), v) > 0.75 ) {
 
 				// caculate the distance from entity location to the line [eye - cursor]
 				float d = math::Vector3f::length(math::crossproduct( (cursor - render::Camera::eye()) , (render::Camera::eye() - entity->location()))) / math::Vector3f::length(cursor - render::Camera::eye());
 	
+				float r = entity->radius() * 0.5f;
+
+				if (entity->state()->distance() > 512)
+					math::clamp(r, 8.0f,r);
+				else if (entity->state()->distance() > 256)
+					math::clamp(r, 4.0f,r);
+				else if (entity->state()->distance() > 128.0f)
+					math::clamp(r, 2.0f,r);
+
 				// if the cursor-beam hits the entity sphere
-				if (d < entity->radius() * 0.5f) {
+				if (d < r) {
 					float myz = math::distance(cursor, entity->location());
 					if (z < 0 || myz < z) {
 						current_hover = entity->id();
@@ -337,89 +436,8 @@ void frame()
 		current_target_id = 0;
 	} else {
 		current_target_id  = current_target->id();
-	}
-}
-
-void draw_target()
-{
-	using math::Vector3f;
-
-	if (!current_target)
-		return;
-
-	core::Entity *entity = current_target;
-
-	
-
-	// if target is in visible space
-	Vector3f v(entity->state()->location() - render::Camera::eye());
-	v.normalize();
-	if (math::dotproduct(render::Camera::axis().forward(), v) > 0.75 ) {
-
-		// find the intersection of the line [ eye - target ] in the frustum front plane
-		Vector3f const &plane_normal = render::Camera::axis().forward();
-		Vector3f const &plane_point = render::Camera::eye() + render::Camera::axis().forward() * (render::Camera::frustum_front() + 0.001);
-
-		float d = (plane_normal.x * plane_point.x + plane_normal.y * plane_point.y + plane_normal.z * plane_point.z);
-		float t = d - plane_normal.x * render::Camera::eye().x 
-			- plane_normal.y * render::Camera::eye().y
-			- plane_normal.z * render::Camera::eye().z;
-		t /= plane_normal.x * (entity->state()->location().x - render::Camera::eye().x)
-			+ 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;
-		//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();
-
-		render::gl::color(1, 1, 1, 1);
-		render::gl::begin(render::gl::LineLoop);
-		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);
 
+ 		
 	}
 }