X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fcollision.h;h=87a50282870c11cb5075bce68a99a50f7c496a95;hb=b2ab5fd1615ac5f907e43992d0905a56cddf798f;hp=243c4b294732439b75bd562eda7915fadb940c80;hpb=1575448b1a71dd029a8d135d2aff9096483a9953;p=minetest.git

diff --git a/src/collision.h b/src/collision.h
index 243c4b294..87a502828 100644
--- a/src/collision.h
+++ b/src/collision.h
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
@@ -17,52 +17,68 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
-#ifndef COLLISION_HEADER
-#define COLLISION_HEADER
+#pragma once
 
 #include "irrlichttypes_bloated.h"
 #include <vector>
 
 class Map;
 class IGameDef;
+class Environment;
+class ActiveObject;
+
+enum CollisionType
+{
+	COLLISION_NODE,
+	COLLISION_OBJECT,
+};
+
+enum CollisionAxis
+{
+	COLLISION_AXIS_NONE = -1,
+	COLLISION_AXIS_X,
+	COLLISION_AXIS_Y,
+	COLLISION_AXIS_Z,
+};
+
+struct CollisionInfo
+{
+	CollisionInfo() = default;
+
+	CollisionType type = COLLISION_NODE;
+	CollisionAxis axis = COLLISION_AXIS_NONE;
+	v3s16 node_p = v3s16(-32768,-32768,-32768); // COLLISION_NODE
+	ActiveObject *object = nullptr; // COLLISION_OBJECT
+	v3f old_speed;
+	v3f new_speed;
+	int plane = -1;
+};
 
 struct collisionMoveResult
 {
-	bool touching_ground;
-	bool collides;
-	bool collides_xz;
-	bool standing_on_unloaded;
+	collisionMoveResult() = default;
 
-	collisionMoveResult():
-		touching_ground(false),
-		collides(false),
-		collides_xz(false),
-		standing_on_unloaded(false)
-	{}
+	bool touching_ground = false;
+	bool collides = false;
+	bool standing_on_object = false;
+	std::vector<CollisionInfo> collisions;
 };
 
 // Moves using a single iteration; speed should not exceed pos_max_d/dtime
-collisionMoveResult collisionMoveSimple(Map *map, IGameDef *gamedef,
+collisionMoveResult collisionMoveSimple(Environment *env,IGameDef *gamedef,
 		f32 pos_max_d, const aabb3f &box_0,
 		f32 stepheight, f32 dtime,
-		v3f &pos_f, v3f &speed_f, v3f &accel_f);
-
-#if 0
-// This doesn't seem to work and isn't used
-// Moves using as many iterations as needed
-collisionMoveResult collisionMovePrecise(Map *map, IGameDef *gamedef,
-		f32 pos_max_d, const aabb3f &box_0,
-		f32 stepheight, f32 dtime,
-		v3f &pos_f, v3f &speed_f, v3f &accel_f);
-#endif
+		v3f *pos_f, v3f *speed_f,
+		v3f accel_f, ActiveObject *self=NULL,
+		bool collideWithObjects=true);
 
 // Helper function:
 // Checks for collision of a moving aabbox with a static aabbox
 // Returns -1 if no collision, 0 if X collision, 1 if Y collision, 2 if Z collision
 // dtime receives time until first collision, invalid if -1 is returned
-int axisAlignedCollision(
+CollisionAxis axisAlignedCollision(
 		const aabb3f &staticbox, const aabb3f &movingbox,
-		const v3f &speed, f32 d, f32 &dtime);
+		const v3f &speed, f32 *dtime);
 
 // Helper function:
 // Checks if moving the movingbox up by the given distance would hit a ceiling.
@@ -70,18 +86,3 @@ bool wouldCollideWithCeiling(
 		const std::vector<aabb3f> &staticboxes,
 		const aabb3f &movingbox,
 		f32 y_increase, f32 d);
-
-
-enum CollisionType
-{
-	COLLISION_FALL
-};
-
-struct CollisionInfo
-{
-	CollisionType t;
-	f32 speed;
-};
-
-#endif
-