From d0be87d32929c42502fb842aa2b0ab0233313b93 Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Tue, 7 Nov 2017 13:50:52 +0100
Subject: Refactoring, introduce text.cpp, closer to an actual game.

---
 src/game.cpp | 110 +++++++++++++++++++++++++++++++++++++++++------------------
 1 file changed, 76 insertions(+), 34 deletions(-)

(limited to 'src/game.cpp')

diff --git a/src/game.cpp b/src/game.cpp
index f5341d1..48047a4 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -2,6 +2,12 @@
 
 namespace game {
 
+static size_t selection_cookie = 1;
+
+enum {
+	ET_UNIT
+};
+
 class unit_t : public world::entity_t {
 	world::world_t *world;
 
@@ -26,6 +32,11 @@ public:
 	v2f_t x;
 	rectf_t size, render_size;
 	world::cflags_t cflags;
+	size_t selected = 0;
+
+	unit_t() : entity_t(ET_UNIT)
+	{
+	}
 
 	struct {
 		bool moving = false;
@@ -33,8 +44,18 @@ public:
 		float angle = 0.0f;
 
 		std::list<v2f_t> path;
+
+		bool blocked;
+		size_t attempts_left;
+		float next_attempt;
 	} move;
 
+	void say(std::string str)
+	{
+		//TODO
+		std::cout << (void*)this << ": " << str << "\n";
+	}
+
 	void place(world::world_t *world_, v2f_t x_)
 	{
 		world = world_;
@@ -48,14 +69,17 @@ public:
 		link(world);
 	}
 
-	void keep_moving(void)
+	void keep_moving(double now)
 	{
 		float time;
 
 		if (!move.moving)
 			return;
 
-		time = 0.15;
+		if (move.blocked && now < move.next_attempt)
+			return;
+
+		time = 0.15; // FIXME
 
 		while (time > 0.0f) {
 			v2f_t delta, next, x_new;
@@ -80,13 +104,22 @@ public:
 			}
 
 			cmodel_next = make_cmodel(x_new);
-			if (world->test_rect(&cmodel_next, this)) {
-				move.moving = false;
-				break;
+			if (!world->test_rect(&cmodel_next, this)) {
+				x = x_new;
+				cmodel = cmodel_next;
+				continue;
 			}
 
-			x = x_new;
-			cmodel = cmodel_next;
+			if (move.attempts_left) {
+				move.blocked = true;
+				move.attempts_left--;
+				move.next_attempt = now + 0.5f;
+			} else {
+				if ((x - move.dst).len() > 1.5f)
+					say(text::unit_blocked);
+				move.moving = false;
+			}
+			break;
 		}
 
 
@@ -105,12 +138,19 @@ public:
 		move.dst = dst_;
 		move.path.clear();
 
-		if (world->find_path(x, move.dst, &cmodel, this, &move.path))
-			move.moving = true;
-		else
+		if (!world->find_path(x, move.dst, &cmodel, this, &move.path)) {
+			say(text::unit_no_path);
 			move.moving = false;
+			return false;
+		}
+
+		move.moving = true;
+
+		move.blocked = false;
+		move.attempts_left = 10;
+		move.next_attempt = -INFINITY;
 
-		return move.moving;
+		return true;
 	}
 };
 
@@ -120,7 +160,14 @@ public:
 
 	void render_to(render::state_t *render)
 	{
-		render->render((move.moving ? &assets::human.legs_walking :
+		bool moving;
+
+		if (selected == selection_cookie)
+			render->render_hlrect(render_bounds, sf::Color::Blue);
+
+		moving = move.moving && !move.blocked;
+
+		render->render((moving ? &assets::human.legs_walking :
 		               &assets::human.legs_idle), render_bounds, move.angle);
 		render->render(&assets::human.body_idle, render_bounds, move.angle);
 		render->render(&assets::human.head_idle, render_bounds, move.angle);
@@ -145,40 +192,35 @@ void state_t::start(void)
 	human2.render_size[0] = v2f_t(-0.5f, -1.0f);
 	human2.render_size[1] = v2f_t(+0.5f, +0.5f);
 	human2.place(&world, v2f_t(3.5f, 0.5f));
-
 }
 
 void state_t::select(rectf_t x)
 {
-	
+	selection_cookie++;
+	selected_units.clear();
+
+	for (world::entity_t *ent : world.get_render_entities(x, -1)) {
+		unit_t *unit;
+
+		if (ent->type != ET_UNIT)
+			continue;
+
+		unit = (unit_t*)ent;
+		unit->selected = selection_cookie;
+		selected_units.insert(unit);
+	}
 }
 
 void state_t::command(v2f_t x)
 {
-	
+	for (unit_t *unit : selected_units)
+		unit->start_moving(x);
 }
 
 void state_t::tick(double now)
 {
-	if ((human2.x - human.x).len() > 3) {
-		if (now > human2.last_follow + 0.5) {
-			for (size_t i = 0; i < 8; i++) {
-				float angle;
-				v2f_t offset;
-
-				angle = (float)i / 8 * 2 * M_PI;
-				offset[0] = cos(angle);
-				offset[1] = sin(angle);
-
-				if (human2.start_moving(human.x + offset))
-					break;
-			}
-			human2.last_follow = now;
-		}
-	}
-
-	human.keep_moving();
-	human2.keep_moving();
+	human.keep_moving(now);
+	human2.keep_moving(now);
 }
 
 } //namespace game
-- 
cgit