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GS-Entbase: Initial func_pushable implementation

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This commit is contained in:
Marco Cawthorne 2021-05-27 09:44:01 +02:00
parent 03b16ff905
commit 42960cda05
1 changed files with 88 additions and 9 deletions
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97
src/gs-entbase/server/func_pushable.qc
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2020 Marco Hladik <marco@icculus.org>
* Copyright (c) 2016-2021 Marco Hladik <marco@icculus.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@ -19,7 +19,9 @@
"target" Target when triggered.
"killtarget" Target to kill when triggered.
STUB!
This is essentially the same entity as a func_breakable, but
a player can push and pull it around the level.
It uses stepping player physics to move around.
Trivia:
This entity was introduced in Half-Life (1998).
@ -27,26 +29,103 @@ This entity was introduced in Half-Life (1998).
class func_pushable:func_breakable
{
entity m_pPuller;
entity m_eCollBox;
void(void) func_pushable;
virtual void(void) customphysics;
virtual void(void) touch;
virtual void(void) Respawn;
virtual void(void) PlayerTouch;
virtual void(void) OnPlayerUse;
};
void
func_pushable::customphysics(void)
{
tracebox(origin, mins, maxs, origin + (velocity * frametime), MOVE_NORMAL, this);
input_movevalues = [0,0,0];
input_impulse = 0;
input_buttons = 0;
input_angles = [0,0,0];
input_timelength = frametime;
/* when we pull the box, it'll follow us whereever we go, just not too fast so it doesn't clip into us! */
if (!m_pPuller.button5) {
m_pPuller = world;
} else {
/* drag us, make sure we don't collide */
velocity[0] = m_pPuller.velocity[0] * 0.9f;
velocity[1] = m_pPuller.velocity[1] * 0.9f;
}
/* see if we're clipping against entities or other func_pushable_bbox helper entities */
vector position = absmin + (0.5 * (absmax - absmin));
/* if we're too far away from our box, split */
if ((vlen(m_pPuller.origin - position) - vlen(size)) > 64)
m_pPuller = world;
tracebox(position, -(size/2) * 0.95f, (size/2) * 0.95f, \
position + (velocity * input_timelength), MOVE_NORMAL, this);
if (trace_fraction < 1.0f)
return;
/* run the physics, then fix our helper bbox! */
runstandardplayerphysics(this);
setorigin(m_eCollBox, absmin + (0.5 * (absmax - absmin)));
}
void
func_pushable::touch(void)
func_pushable::PlayerTouch(void)
{
if (other.movetype == MOVETYPE_WALK) {
/* don't cause bounces */
if (other.movetype == MOVETYPE_NONE) {
return;
}
/* get the real position of the pushable */
vector position = absmin + (0.5 * (absmax - absmin));
/* check if we're inside the pushable */
if (other.origin[0] >= absmin[0] && other.origin[0] <= absmax[0])
if (other.origin[1] >= absmin[1] && other.origin[1] <= absmax[1])
return;
/* check if we're above the pushable... */
if ((other.absmin[2] + 16) >= absmax[2]) {
return;
}
/* get the direction of the pushing player towards the pushable, then get a matrix */
makevectors(vectoangles(other.origin - position));
/* add forward direction times speed */
velocity = v_forward * -64;
}
void
func_pushable::OnPlayerUse(void)
{
m_pPuller = eActivator;
}
void
func_pushable::Respawn(void)
{
func_breakable::Respawn();
movetype = MOVETYPE_STEP;
touch = PlayerTouch;
PlayerUse = OnPlayerUse;
if (!m_eCollBox) {
m_eCollBox = spawn();
m_eCollBox.classname = "func_pushable_bbox";
m_eCollBox.solid = SOLID_BBOX;
m_eCollBox.owner = this;
setsize(m_eCollBox, -(size/2) * 0.9f, (size/2) * 0.9f);
setorigin(m_eCollBox, absmin + (0.5 * (absmax - absmin)));
}
velocity = other.velocity * 0.25;
}
void