render dock locations on active targets, fix star texture loading and rendering

3 files changed, 231 insertions, 150 deletions

diff --git a/src/client/targets.cc b/src/client/targets.cc
index b87f056..e53e530 100644
--- a/src/client/targets.cc
+++ b/src/client/targets.cc
@@ -24,9 +24,7 @@
 #include "core/range.h"
 #include "math/axis.h"
 #include "math/vector3f.h"
-#include "render/gl.h"
-#include "render/render.h"
-#include "render/text.h"
+#include "render/camera.h"
 
 namespace client {
 
@@ -377,145 +375,8 @@ void render_entity_sound(core::EntityControlable *entity)
 	state->location() - state->axis().forward() * entity->model()->maxbbox().y , state->axis().forward() * speed);
 }
 
-void draw_entity_offscreen_target(core::Entity *entity, bool is_active_target)
-{
-
-	math::Vector3f target(entity->state()->location() - render::Camera::eye());
-	target = render::Camera::axis().transpose() * target;
-
-	float cx = 0;
-	float cy = 0;
-
-	if ( target.y*target.y + target.z*target.z < 0.0001 ) {
-		// X - bound, behind (front is visible)
-		cx = 0.0f;
-		cy = -0.5f;
-	
-	} else if (fabs(target.y) > fabs(target.z)) {
-		// Y-bound
-		cx = math::sgnf(target.y) * 0.5f;
-		cy = 0.5f * target.z / fabs(target.y);
-	} else {
-		// Z-bound
-		cx = 0.5f * target.y / fabs(target.z);
-		cy = math::sgnf(target.z) * 0.5f;
-	}
-
-	const float r = 16;
-	cx = (0.5f - cx) * (float) video::width;
-	cy = (0.5f - cy) * (float)video::height;
-
-	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();
-
-	if (entity->type() == core::Entity::Controlable) {
-		render::gl::color(0, 1, 0, 1);
-	} else {
-		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);
-}
-
-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 ) {
-		draw_entity_offscreen_target(entity, is_active_target);
-		return;
-	}
-
-	// transform the target into the camera 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());
-
-	if ((cx < 0 ) || (cy < 0) || (cx > video::width) || (cy > video::height)) {
-		draw_entity_offscreen_target(entity, is_active_target);
-		return;
-	}
-
-	const float pointer_size = 48.0f;
-	float r = pointer_size;
-	if (!is_active_target)
-		r *= 0.5;
-
-	render::gl::disable(GL_TEXTURE_2D);
-	// outer square shadow
-	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();
-
-	if (entity->type() == core::Entity::Controlable) {
-		render::gl::color(0, 1, 0, 1);
-	} else {
-		render::gl::color(1, 1, 1, 1);
-	}
-	// outer square0
-	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 > 100.0f) {
-				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+r+4, strdistance);
-	}
-}
 
-// render targets and sounds
+// render targets and sounds (in world coordinates)
 void draw()
 {
 	core::Zone *zone = core::localplayer()->zone();
@@ -564,9 +425,6 @@ void draw()
 
 			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
diff --git a/src/client/targets.h b/src/client/targets.h
index f805305..0366415 100644
--- a/src/client/targets.h
+++ b/src/client/targets.h
@@ -22,6 +22,9 @@ void shutdown();
 
 void reset();
 
+/// return true if the entity is a legal target
+bool is_legal_target(core::Entity *entity);
+
 /// render targets and sounds
 void draw();
 
diff --git a/src/client/view.cc b/src/client/view.cc
index 1fdbcdc..24cd72e 100644
--- a/src/client/view.cc
+++ b/src/client/view.cc
@@ -11,6 +11,7 @@
 #include <sstream>
 #include <iomanip>
 
+#include "auxiliary/functions.h"
 #include "client/client.h"
 #include "client/chat.h"
 #include "client/console.h"
@@ -23,6 +24,7 @@
 #include "render/camera.h"
 #include "core/core.h"
 #include "core/stats.h"
+#include "core/zone.h"
 #include "math/mathlib.h"
 #include "sys/sys.h"
 
@@ -105,6 +107,211 @@ void draw_loader()
 	gl::end();
 }
 
+
+/* 
+	FIXME should be merged with the render passes
+	and in the bbox pass
+*/
+
+void draw_entity_world_target(core::Entity *entity)
+{
+	using namespace render;
+
+	model::Model *model = entity->model();
+	if (!model)
+		return;
+
+	if (!model->docks().size())
+		return;
+
+	gl::enable(GL_DEPTH_TEST);
+	gl::push();
+	gl::translate(entity->state()->location());
+	gl::multmatrix(entity->state()->axis());
+
+	gl::color(0, 1.0f, 1.0f, 1.0f);
+	
+	for (model::Model::Docks::iterator dit = model->docks().begin(); dit != model->docks().end(); dit++) {
+		model::Dock *dock = (*dit);
+		math::Vector3f maxbox(dock->location());
+		math::Vector3f minbox(dock->location());
+
+		for (size_t i=0; i < 3; i++) {
+			maxbox[i] += dock->radius();
+			minbox[i] -= dock->radius();
+		}
+
+		// top
+		gl::begin(gl::LineLoop);
+		gl::vertex(maxbox.x, maxbox.y, maxbox.z);
+		gl::vertex(minbox.x, maxbox.y, maxbox.z);
+		gl::vertex(minbox.x, minbox.y, maxbox.z);
+		gl::vertex(maxbox.x, minbox.y, maxbox.z);
+		gl::end();
+	
+		// bottom
+		gl::begin(gl::LineLoop);
+		gl::vertex(maxbox.x, maxbox.y, minbox.z);
+		gl::vertex(minbox.x, maxbox.y, minbox.z);
+		gl::vertex(minbox.x, minbox.y, minbox.z);
+		gl::vertex(maxbox.x, minbox.y, minbox.z);
+		gl::end();
+	
+		gl::begin(gl::Lines);
+		gl::vertex(maxbox.x, maxbox.y, maxbox.z);
+		gl::vertex(maxbox.x, maxbox.y, minbox.z);
+		gl::vertex(minbox.x, maxbox.y, maxbox.z);
+		gl::vertex(minbox.x, maxbox.y, minbox.z);
+		gl::vertex(minbox.x, minbox.y, maxbox.z);
+		gl::vertex(minbox.x, minbox.y, minbox.z);
+		gl::vertex(maxbox.x, minbox.y, maxbox.z);
+		gl::vertex(maxbox.x, minbox.y, minbox.z);
+		gl::end();
+	}
+
+	gl::pop();
+	gl::disable(GL_DEPTH_TEST);
+
+}
+
+void draw_entity_offscreen_target(core::Entity *entity, bool is_active_target)
+{
+
+	math::Vector3f target(entity->state()->location() - render::Camera::eye());
+	target = render::Camera::axis().transpose() * target;
+
+	float cx = 0;
+	float cy = 0;
+
+	if ( target.y*target.y + target.z*target.z < 0.0001 ) {
+		// X - bound, behind (front is visible)
+		cx = 0.0f;
+		cy = -0.5f;
+	
+	} else if (fabs(target.y) > fabs(target.z)) {
+		// Y-bound
+		cx = math::sgnf(target.y) * 0.5f;
+		cy = 0.5f * target.z / fabs(target.y);
+	} else {
+		// Z-bound
+		cx = 0.5f * target.y / fabs(target.z);
+		cy = math::sgnf(target.z) * 0.5f;
+	}
+
+	const float r = 16;
+	cx = (0.5f - cx) * (float) video::width;
+	cy = (0.5f - cy) * (float)video::height;
+
+	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();
+
+	if (entity->type() == core::Entity::Controlable) {
+		render::gl::color(0, 1, 0, 1);
+	} else {
+		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);
+}
+
+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 ) {
+		draw_entity_offscreen_target(entity, is_active_target);
+		return;
+	}
+
+	// transform the target into the camera 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());
+
+	if ((cx < 0 ) || (cy < 0) || (cx > video::width) || (cy > video::height)) {
+		draw_entity_offscreen_target(entity, is_active_target);
+		return;
+	}
+
+	const float pointer_size = 48.0f;
+	float r = pointer_size;
+	if (!is_active_target)
+		r *= 0.5;
+
+	render::gl::disable(GL_TEXTURE_2D);
+	// outer square shadow
+	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();
+
+	if (entity->type() == core::Entity::Controlable) {
+		render::gl::color(0, 1, 0, 1);
+	} else {
+		render::gl::color(1, 1, 1, 1);
+	}
+	// outer square0
+	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 > 100.0f) {
+				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+r+4, strdistance);
+	}
+}
+
 void draw_status()
 {
 	using namespace render;
@@ -168,7 +375,21 @@ void draw_status()
 	}
 
 	// draw a basic HUD
-	if (core::localcontrol()) {
+	if (core::localcontrol() && core::localcontrol()->zone()) {
+		core::Zone *zone = core::localcontrol()->zone();
+
+		// draw targets
+		for (core::Zone::Content::iterator it=zone->content().begin(); it != zone->content().end(); it++) {
+			core::Entity *entity = (*it);
+		
+			if (targets::is_legal_target(entity)) {
+				if (entity == targets::current()) {
+					draw_entity_target(entity, true);
+				} else if (entity->type() == core::Entity::Controlable) {
+					draw_entity_target(entity, false);
+				}
+			}
+		}
 
 		unsigned int state = core::localcontrol()->eventstate();
 		if (state) {
@@ -472,6 +693,10 @@ void frame(float seconds)
 
 	if (core::application()->connected() && core::game()->serverframetime()) {
 		render::draw(seconds);		// draw the world
+		targets::draw();		// validate current target, render sound
+
+		if (targets::current())		// draw target docks etc
+			draw_entity_world_target(targets::current());
 	}
 
 	// switch to orthographic projection to draw the GUI
@@ -501,11 +726,6 @@ void frame(float seconds)
 	if (draw_ui->value()) {
 		Text::setfont("bitmaps/fonts/gui", 12, 18);
 
-		// draw the current targets
-		if (core::application()->connected() && core::game()->serverframetime()) {
-			targets::draw();
-		}
-
 		// draw the player status
 		draw_status();