#include "MasterState.hpp"
+#include "Application.hpp"
+#include "../creature/Creature.hpp"
+#include "../graphics/Viewport.hpp"
+#include "../math/const.hpp"
#include "../world/Body.hpp"
#include "../world/Planet.hpp"
#include "../world/Simulation.hpp"
, assets(assets)
, sim(sim)
, cam(sim.Root())
+, cam_dist(5.0)
+, cam_tgt_dist(5.0)
+, cam_orient(PI * 0.375, PI * 0.25, 0.0)
+, cam_dragging(false)
+, cp(assets)
+, rp(sim)
+, tp(sim)
, remain(0)
, thirds(0)
, paused(false) {
+ cp.ZIndex(10.0f);
+ rp.ZIndex(20.0f);
+ tp.ZIndex(30.0f);
}
MasterState::~MasterState() noexcept {
void MasterState::OnResize(int w, int h) {
+ assets.shaders.canvas.Activate();
+ assets.shaders.canvas.Resize(float(w), float(h));
+ assets.shaders.alpha_sprite.Activate();
+ assets.shaders.alpha_sprite.SetVP(glm::mat4(1.0f), glm::ortho(0.0f, float(w), float(h), 0.0f, 1.0e4f, -1.0e4f));
+
cam.Aspect(float(w), float(h));
+ assets.shaders.planet_surface.Activate();
+ assets.shaders.planet_surface.SetVP(cam.View(), cam.Projection());
+ assets.shaders.sun_surface.Activate();
+ assets.shaders.sun_surface.SetVP(cam.View(), cam.Projection());
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetVP(cam.View(), cam.Projection());
}
void MasterState::OnUpdate(int dt) {
remain += dt;
- while (remain >= FrameMS()) {
+#ifdef NDEBUG
+ int max_tick = 10;
+#else
+ // one tick per frame when debugging so pausing execution doesn't result in more ticks
+ int max_tick = 1;
+#endif
+ while (remain >= FrameMS() && max_tick > 0) {
Tick();
+ --max_tick;
}
}
void MasterState::Tick() {
+ constexpr double dt = 0.01666666666666666666666666666666;
if (!paused) {
- sim.Tick();
+ sim.Tick(dt);
}
remain -= FrameMS();
thirds = (thirds + 1) % 3;
+
+ double cam_diff = cam_tgt_dist - cam_dist;
+ if (std::abs(cam_diff) > 0.001) {
+ cam_dist += cam_diff * 0.25;
+ } else {
+ cam_dist = cam_tgt_dist;
+ }
}
int MasterState::FrameMS() const noexcept {
void MasterState::OnKeyDown(const SDL_KeyboardEvent &e) {
if (e.keysym.sym == SDLK_p) {
paused = !paused;
+ } else if (e.keysym.sym == SDLK_F1) {
+ rp.Toggle();
+ }
+}
+
+void MasterState::OnMouseDown(const SDL_MouseButtonEvent &e) {
+ if (e.button == SDL_BUTTON_RIGHT) {
+ SDL_SetRelativeMouseMode(SDL_TRUE);
+ cam_dragging = true;
+ }
+}
+
+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;
+ 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)
+ && dist < closest_dist) {
+ closest = c;
+ closest_dist = dist;
+ }
+ }
+ if (closest) {
+ cp.Show(*closest);
+ } else {
+ cp.Hide();
+ }
+ } else if (e.button == SDL_BUTTON_RIGHT) {
+ SDL_SetRelativeMouseMode(SDL_FALSE);
+ cam_dragging = false;
+ }
+}
+
+void MasterState::OnMouseMotion(const SDL_MouseMotionEvent &e) {
+ constexpr double pitch_scale = PI * 0.001;
+ constexpr double yaw_scale = PI * 0.002;
+ if (cam_dragging) {
+ cam_orient.x = glm::clamp(cam_orient.x + double(e.yrel) * pitch_scale, 0.0, PI * 0.499);
+ cam_orient.y = std::fmod(cam_orient.y + double(e.xrel) * yaw_scale, PI * 2.0);
+ }
+}
+
+void MasterState::OnMouseWheel(const SDL_MouseWheelEvent &e) {
+ constexpr double roll_scale = PI * 0.0625;
+ constexpr double zoom_scale = -1.0;
+ constexpr double zoom_base = 1.125;
+ cam_orient.z = glm::clamp(cam_orient.z + double(e.x) * roll_scale, PI * -0.5, PI * 0.5);
+ if (cp.Shown()) {
+ cam_tgt_dist = std::max(cp.GetCreature().Size() * 2.0, cam_tgt_dist * std::pow(zoom_base, double(e.y) * zoom_scale));
+ } else {
+ cam_tgt_dist = std::max(1.0, cam_tgt_dist * std::pow(zoom_base, double(e.y) * zoom_scale));
}
}
void MasterState::OnRender(graphics::Viewport &viewport) {
- assets.shaders.planet_surface.Activate();
- assets.shaders.planet_surface.SetTexture(assets.textures.tiles);
+ if (cp.Shown()) {
+ cam.Radial(cp.GetCreature(), cam_dist, cam_orient);
+ assets.shaders.planet_surface.Activate();
+ assets.shaders.planet_surface.SetV(cam.View());
+ assets.shaders.sun_surface.Activate();
+ assets.shaders.sun_surface.SetV(cam.View());
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetV(cam.View());
+ }
int num_lights = 0;
for (auto sun : sim.Suns()) {
// TODO: source sun's light color and strength
- assets.shaders.planet_surface.SetLight(
- num_lights,
- glm::vec3(cam.View() * cam.Model(*sun)[3]),
- glm::vec3(1.0f, 1.0f, 1.0f),
- 1.0e6f);
+ glm::vec3 pos(cam.View() * cam.Model(*sun)[3]);
+ glm::vec3 col(1.0f, 1.0f, 1.0f);
+ float str = 1.0e6f;
+ assets.shaders.planet_surface.Activate();
+ assets.shaders.planet_surface.SetLight(num_lights, pos, col, str);
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetLight(num_lights, pos, col, str);
++num_lights;
- if (num_lights >= graphics::PlanetSurface::MAX_LIGHTS) {
+ if (num_lights >= graphics::PlanetSurface::MAX_LIGHTS || num_lights >= graphics::CreatureSkin::MAX_LIGHTS) {
break;
}
}
for (auto planet : sim.Planets()) {
// TODO: indirect light from planets, calculate strength and get color somehow
- assets.shaders.planet_surface.SetLight(
- num_lights,
- glm::vec3(cam.View() * cam.Model(*planet)[3]),
- glm::vec3(1.0f, 1.0f, 1.0f),
- 10.0f);
+ glm::vec3 pos(cam.View() * cam.Model(*planet)[3]);
+ glm::vec3 col(1.0f, 1.0f, 1.0f);
+ float str = 10.0f;
+ assets.shaders.planet_surface.Activate();
+ assets.shaders.planet_surface.SetLight(num_lights, pos, col, str);
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetLight(num_lights, pos, col, str);
++num_lights;
- if (num_lights >= graphics::PlanetSurface::MAX_LIGHTS) {
+ if (num_lights >= graphics::PlanetSurface::MAX_LIGHTS || num_lights >= graphics::CreatureSkin::MAX_LIGHTS) {
break;
}
}
+ assets.shaders.planet_surface.Activate();
assets.shaders.planet_surface.SetNumLights(num_lights);
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetNumLights(num_lights);
+ assets.shaders.planet_surface.Activate();
+ assets.shaders.planet_surface.SetTexture(assets.textures.tiles);
for (auto planet : sim.Planets()) {
- assets.shaders.planet_surface.SetMVP(cam.Model(*planet), cam.View(), cam.Projection());
+ assets.shaders.planet_surface.SetM(cam.Model(*planet));
planet->Draw(assets, viewport);
}
assets.shaders.sun_surface.Activate();
for (auto sun : sim.Suns()) {
double sun_radius = sun->Radius();
- assets.shaders.sun_surface.SetMVP(
- cam.Model(*sun) * glm::scale(glm::vec3(sun_radius, sun_radius, sun_radius)),
- cam.View(), cam.Projection());
+ assets.shaders.sun_surface.SetM(
+ cam.Model(*sun) * glm::scale(glm::vec3(sun_radius, sun_radius, sun_radius)));
assets.shaders.sun_surface.SetLight(glm::vec3(1.0f, 1.0f, 1.0f), 1.0e6f);
assets.shaders.sun_surface.Draw();
}
+
+ assets.shaders.creature_skin.Activate();
+ assets.shaders.creature_skin.SetTexture(assets.textures.skins);
+ // TODO: extend to nearby bodies as well
+ for (auto c : cam.Reference().Creatures()) {
+ assets.shaders.creature_skin.SetM(cam.Model(cam.Reference()) * glm::mat4(c->LocalTransform()));
+ assets.shaders.creature_skin.SetBaseColor(glm::vec3(c->BaseColor()));
+ assets.shaders.creature_skin.SetHighlightColor(glm::vec4(c->HighlightColor()));
+ c->Draw(viewport);
+ }
+
+ viewport.ClearDepth();
+ cp.Draw(viewport);
+ rp.Draw(viewport);
+ tp.Draw(viewport);
}
}
projects / blobs.git / blobdiff