Finish ITC; implement async sim control.

1 files changed, 16 insertions, 5 deletions

diff --git a/src/ui.c b/src/ui.c
index feabc28..f55f18b 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -22,6 +22,8 @@ struct {
 #define MAX_INFO 1024
 
 typedef struct {
+	phy_sim *sim;
+
 	bool dragging;
 	r_xsection_type xsection_type;
 	float xsection_frac;
@@ -246,6 +248,14 @@ void ui_event_window(SDL_Event *event, ui_window *uiw)
 			if (sv->xsection_frac < 0.0f)
 				sv->xsection_frac = 0.0f;
 			break;
+
+		case SDLK_o:
+			itc_chan_push(&sv->sim->ctl, PHY_CMD_PAUSE, NULL);
+			break;
+
+		case SDLK_p:
+			itc_chan_push(&sv->sim->ctl, PHY_CMD_RESUME, NULL);
+			break;
 		}
 	}
 }
@@ -295,10 +305,10 @@ void ui_animate_exp(float *val, float targ, float lambda, float dt)
 	*val = targ + (*val - targ) * exp(-lambda * dt);
 }
 
-void ui_draw_window_simview(ui_window *uiw, phy_sim *sim, int64_t time,
-                            float dt)
+void ui_draw_window_simview(ui_window *uiw, int64_t time, float dt)
 {
 	ui_simview *sv = &uiw->simview;
+	phy_sim *sim = sv->sim;
 	float aspect_ratio;
 	vec2_t origin_s, scale_s;
 	phy_field_em *field_em = sim->fields + 2;
@@ -413,7 +423,7 @@ void ui_draw_window_simview(ui_window *uiw, phy_sim *sim, int64_t time,
 	}
 }
 
-void ui_draw_window(ui_window *uiw, phy_sim *sim)
+void ui_draw_window(ui_window *uiw)
 {
 	ui_simview *sv = &uiw->simview;
 	int64_t time;
@@ -443,7 +453,7 @@ void ui_draw_window(ui_window *uiw, phy_sim *sim)
 	dt = (get_time() - uiw->last_frame) * 1.0e-9;
 
 	r_clear(uiw->rw, r_color_black);
-	ui_draw_window_simview(uiw, sim, time, dt);
+	ui_draw_window_simview(uiw, time, dt);
 	r_flip(uiw->rw);
 
 	uiw->last_frame = time;
@@ -455,7 +465,8 @@ void ui_draw(phy_sim *sim)
 
 	for (uiw = uis.windows; uiw; uiw = uiw->next) {
 		SDL_GetWindowSize(uiw->rw->window, &uiw->w, &uiw->h);
-		ui_draw_window(uiw, sim);
+		uiw->simview.sim = sim;
+		ui_draw_window(uiw);
 		uiw->frame_count++;
 	}
 }