From 20b189455545db5688ed4f14d2966380137ee2db Mon Sep 17 00:00:00 2001
From: Paweł Redman <pawel.redman@gmail.com>
Date: Sat, 21 Oct 2017 11:20:34 +0200
Subject: Start working on path finding.

---
 src/game.cpp | 41 ++++++++++++++++++++++++++++++-----------
 1 file changed, 30 insertions(+), 11 deletions(-)

(limited to 'src/game.cpp')

diff --git a/src/game.cpp b/src/game.cpp
index d805c83..ffee87d 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -4,8 +4,9 @@ namespace game {
 
 class unit_t : public world::entity_t {
 	world::world_t *world;
+	v2f_t x;
 
-	void compute_bounds(v2f_t x)
+	void compute_bounds()
 	{
 		bounds[0] = x + size[0];
 		bounds[1] = x + size[1];
@@ -17,19 +18,19 @@ public:
 	rectf_t size, render_size;
 
 	struct {
-		world::tile_index_t pos;
-
 		bool moving;
-		std::list<world::tile_index_t*> path;
-		world::tile_index_t dest;
+		std::list<v2f_t> path;
+		v2f_t dst;
 	} move;
 
-	void place(world::world_t *world, world::tile_index_t pos)
+	void place(world::world_t *world_, v2f_t x_)
 	{
-		move.pos = pos;
+		world = world_;
+		x = x_;
 		move.moving = false;
+
 		unlink();
-		compute_bounds((v2f_t)pos + v2f_t(0.5f, 0.5f));
+		compute_bounds();
 		link(world);
 	}
 
@@ -39,9 +40,22 @@ public:
 			return;
 	}
 
-	bool start_moving(world::tile_index_t dest)
+	bool start_moving(v2f_t dst_)
 	{
-		return false;
+		if (!world) {
+			printf("unit_t::start_moving: entity is not linked\n");
+			return false;
+		}
+
+		move.dst = dst_;
+		move.path.clear();
+
+		if (world->find_path(x, move.dst, size, &move.path))
+			move.moving = true;
+		else
+			move.moving = false;
+
+		return move.moving;
 	}
 };
 
@@ -65,7 +79,12 @@ void state_t::start(void)
 	human.size[1] = v2f_t(+0.4f, +0.4f);
 	human.render_size[0] = v2f_t(-0.5f, -1.0f);
 	human.render_size[1] = v2f_t(+0.5f, +0.5f);
-	human.place(&world, world::tile_index_t(0, 0));
+	human.place(&world, v2f_t(0.5f, 0.5f));
+}
+
+void state_t::debug_click(v2f_t x)
+{
+	human.start_moving(x);
 }
 
 void state_t::tick(void)
-- 
cgit