allow clicking celestial bodies

[blobs.git] / src / app / states.cpp

diff --git a/src/app/states.cpp b/src/app/states.cpp
index bec6da1387221b903ff2897e88a31d7ad4a1a8e6..98add9653a5af3e0571b82c6e6fd52435eb135c4 100644 (file)
--- a/src/app/states.cpp
+++ b/src/app/states.cpp
@@ -11,6 +11,9 @@
 
 #include <glm/gtx/transform.hpp>
 
+#include <iostream>
+#include <glm/gtx/io.hpp>
+
 
 namespace blobs {
 namespace app {
@@ -24,15 +27,17 @@ MasterState::MasterState(Assets &assets, world::Simulation &sim) noexcept
 , cam_tgt_dist(5.0)
 , cam_orient(PI * 0.375, PI * 0.25, 0.0)
 , cam_dragging(false)
+, bp(assets)
 , cp(assets)
 , rp(sim)
 , tp(sim)
 , remain(0)
 , thirds(0)
 , paused(false) {
-       cp.ZIndex(10.0f);
-       rp.ZIndex(20.0f);
-       tp.ZIndex(30.0f);
+       bp.ZIndex(10.0f);
+       cp.ZIndex(20.0f);
+       rp.ZIndex(30.0f);
+       tp.ZIndex(40.0f);
 }
 
 MasterState::~MasterState() noexcept {
@@ -108,21 +113,39 @@ void MasterState::OnMouseUp(const SDL_MouseButtonEvent &e) {
        if (e.button == SDL_BUTTON_LEFT) {
                glm::dmat4 inverse(glm::inverse(cam.Projection() * cam.View()));
                math::Ray ray(inverse * App().GetViewport().ShootPixel(e.x, e.y));
-               creature::Creature *closest = nullptr;
-               double closest_dist = 1.0e24;
+
+               creature::Creature *closest_creature = nullptr;
+               double closest_dist = std::numeric_limits<double>::infinity();
                for (creature::Creature *c : sim.LiveCreatures()) {
                        glm::dvec3 normal(0.0);
                        double dist = 0.0;
-                       if (Intersect(ray, c->CollisionBox(), glm::dmat4(cam.Model(c->GetSituation().GetPlanet())) * c->CollisionTransform(), normal, dist)
+                       if (Intersect(ray, c->CollisionBounds(), glm::dmat4(cam.Model(c->GetSituation().GetPlanet())) * c->CollisionTransform(), normal, dist)
                                && dist < closest_dist) {
-                               closest = c;
+                               closest_creature = c;
+                               closest_dist = dist;
+                       }
+               }
+
+               world::Body *closest_body = nullptr;
+               for (world::Body *b : sim.Bodies()) {
+                       glm::dvec3 normal(0.0);
+                       double dist = 0.0;
+                       if (Intersect(ray, glm::dmat4(cam.Model(*b)) * b->CollisionBounds(), normal, dist) && dist < closest_dist) {
+                               closest_creature = nullptr;
+                               closest_body = b;
                                closest_dist = dist;
                        }
                }
-               if (closest) {
-                       cp.Show(*closest);
+
+               if (closest_creature) {
+                       cp.Show(*closest_creature);
+                       bp.Hide();
+               } else if (closest_body) {
+                       bp.Show(*closest_body);
+                       cp.Hide();
                } else {
                        cp.Hide();
+                       bp.Hide();
                }
        } else if (e.button == SDL_BUTTON_RIGHT) {
                SDL_SetRelativeMouseMode(SDL_FALSE);
@@ -223,6 +246,7 @@ void MasterState::OnRender(graphics::Viewport &viewport) {
        }
 
        viewport.ClearDepth();
+       bp.Draw(viewport);
        cp.Draw(viewport);
        rp.Draw(viewport);
        tp.Draw(viewport);