From 825d5a44bd312772c53fdaa8924e4009cfb320a3 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 10 Feb 2008 17:54:53 +0000
Subject: more entity updates

---
 src/client/draw.cc | 124 +++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 111 insertions(+), 13 deletions(-)

(limited to 'src/client/draw.cc')

diff --git a/src/client/draw.cc b/src/client/draw.cc
index f907267..1e3e5b0 100644
--- a/src/client/draw.cc
+++ b/src/client/draw.cc
@@ -9,20 +9,75 @@
 #include "render/sphere.h"
 #include "render/box.h"
 #include "client/client.h"
+#include "client/camera.h"
 #include "client/draw.h"
 
 namespace client 
 {
 
 render::Sphere sphere(math::Vector3f(0,0,0),1);
+render::Box cube(math::Vector3f(0.5f, 0.5f, 0.5f), math::Vector3f(-0.5f, -0.5f, -0.5f));
 
-void draw_star(game::Star *star, float elapsed)
+void draw_entity_sphere(core::Entity *entity)
 {
-	render::gl::color(star->color);
-	sphere.radius = star->radius;
+	render::gl::color(entity->base_color);
+	sphere.radius = entity->base_radius;
 	sphere.draw();
 }
 
+void draw_entity_cube(core::Entity *entity)
+{
+	cube.topcolor = entity->base_color;
+	cube.bottomcolor = entity->base_color * 0.7f;
+	cube.radius = entity->base_radius;
+	cube.draw();
+}
+
+
+void draw_entity_diamond(core::Entity *entity)
+{
+	using namespace render;
+	float r = entity->base_radius;
+	gl::begin(gl::Lines);
+	gl::color(1.0f, 0.0f, 0.0f);
+	gl::vertex(r,0.0f,0.0f);
+	gl::color(entity->base_color);
+	gl::vertex(-r,0.0f,0.0f);
+
+	gl::vertex(0.0f,0.0f,r/2);
+	gl::vertex(0.0f,0.0f,-r/2);
+
+	gl::vertex(0.0f,r,0.0f);
+	gl::vertex(0.0f,-r, 0.0f);
+	gl::end();
+}
+
+// draw an entity of type core::entity::Default
+void draw_entity_default(core::Entity *entity)
+{
+	render::gl::push();
+	render::gl::translate(entity->location);
+	
+	switch(entity->base_shape) {		
+		case core::entity::Sphere:
+			draw_entity_sphere(entity);
+			break;
+
+		case core::entity::Diamond:
+			draw_entity_diamond(entity);
+			break;
+
+		case core::entity::Cube:
+			
+		default:
+			draw_entity_cube(entity);
+			break;
+	}
+	
+	render::gl::pop();
+}
+
+
 math::Vector3f v0(1.0f, -1.0f, -1.0f);
 math::Vector3f v1(1.0f,  1.0f, -1.0f);
 math::Vector3f v2(1.0f,  1.0f,  1.0f);
@@ -82,11 +137,7 @@ void draw_ship(game::Ship *ship, float elapsed)
 
 	// shield rotation
     	gl::rotate(angle, 0.0f, 1.0f, 0.0f );
-    	angle += 180.0f * elapsed;
-    	if( angle > 360.0f ) {
-            angle -= 360.0f;
-    	}
-	
+
 	// draw the shield
 	gl::color(Color(0.0f, 1.0f ,0.0f , 0.5f));
 	
@@ -107,9 +158,59 @@ void draw_ship(game::Ship *ship, float elapsed)
 	gl::end();
 }
 
+void draw_spacegrid()
+{
+	using namespace render::gl;
+
+	translate(camera::target);
+
+	int gridsize = 32;
+	float s = 1.0f / gridsize;
+	float y = -4.0f;
+
+	float dx =  camera::target.x - floorf(camera::target.x);
+	float dz =  camera::target.z - floorf(camera::target.z);
+
+	color(0,0, 1.0f);
+	begin(Lines);
+	for (int i=-gridsize; i <= gridsize; i++) {
+		color(0,0, 0, 0);
+		vertex(i-dx, y, -gridsize-dz);
+		color(0,0, (gridsize-abs(i))*s, (gridsize-abs(i))*s);
+		vertex(i-dx, y, -dz);
+		vertex(i-dx, y, -dz);
+		color(0,0, 0, 0);
+		vertex(i-dx, y, gridsize-dz);
+
+		vertex(-gridsize-dx, y, i-dz);
+		color(0,0, (gridsize-abs(i))*s, (gridsize-abs(i))*s);
+		vertex(-dx, y, i-dz);
+		vertex(-dx, y, i-dz);
+		color(0,0, 0, 0);
+		vertex(gridsize-dx, y, i-dz);
+	}
+	end();
+}
+
 void draw_world(float elapsed)
 {
+    	angle += 180.0f * elapsed;
+    	if( angle > 360.0f ) {
+            angle -= 360.0f;
+    	}
+
+	// draw entities
 	using namespace render;
+	std::vector<core::Entity *>::iterator it;
+	for (it=core::entity::registry.begin(); it != core::entity::registry.end(); it++) {
+		switch ( (*it)->type) {
+			case core::entity::Default:
+				draw_entity_default((*it));
+				break;
+			default:
+				break;
+		}
+	}
 
 	// draw the ship
 	gl::push();
@@ -118,11 +219,8 @@ void draw_world(float elapsed)
 	draw_ship(game.ship, elapsed);
 	gl::pop();
 
-	// draw the star
-	gl::push();
-	gl::translate(game.star->location);
-	draw_star(game.star, elapsed);
-	gl::pop();
+	// draw the background grid
+	draw_spacegrid();
 }
 
 }
-- 
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