X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2Fstates.cpp;h=49ee8e23ac1793b88709cb6862fcb42d2d08a01c;hb=f5fc0c2bd1c0d1e2737d2b4ed49c3de16aa67c67;hp=9cf6a9c92f878f1ca5e5702a69aa78812ca466ca;hpb=bcf776b6d51aeb9147bde32da8dd0768b10db993;p=blobs.git

diff --git a/src/app/states.cpp b/src/app/states.cpp
index 9cf6a9c..49ee8e2 100644
--- a/src/app/states.cpp
+++ b/src/app/states.cpp
@@ -2,6 +2,7 @@
 
 #include "../creature/Creature.hpp"
 #include "../graphics/Viewport.hpp"
+#include "../math/const.hpp"
 #include "../world/Body.hpp"
 #include "../world/Planet.hpp"
 #include "../world/Simulation.hpp"
@@ -18,6 +19,10 @@ MasterState::MasterState(Assets &assets, world::Simulation &sim) noexcept
 , 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)
 , remain(0)
 , thirds(0)
@@ -45,17 +50,32 @@ void MasterState::OnResize(int w, int h) {
 
 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 {
@@ -69,7 +89,48 @@ void MasterState::OnKeyDown(const SDL_KeyboardEvent &e) {
 	}
 }
 
+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_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 * 0.5);
+		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);
+	cam_tgt_dist = std::max(cp.GetCreature().Size() * 2.0, cam_tgt_dist * std::pow(zoom_base, double(e.y) * zoom_scale));
+}
+
 void MasterState::OnRender(graphics::Viewport &viewport) {
+	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
@@ -125,7 +186,9 @@ void MasterState::OnRender(graphics::Viewport &viewport) {
 	// 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()));
-		c->Draw(assets, viewport);
+		assets.shaders.creature_skin.SetBaseColor(c->BaseColor());
+		assets.shaders.creature_skin.SetHighlightColor(c->HighlightColor());
+		c->Draw(viewport);
 	}
 
 	viewport.ClearDepth();