Cube  Diff

#import "MapModelInfo.h"
#import "Monster.h"
#import "Player.h"
#import "Variable.h"

// collide with player or monster
static bool
plcollide(
    DynamicEntity *d, DynamicEntity *o, float *headspace, float *hi, float *lo)

{
	if (o.state != CS_ALIVE)
		return true;

	const float r = o.radius + d.radius;
	if (fabs(o.origin.x - d.origin.x) < r &&
	    fabs(o.origin.y - d.origin.y) < r) {

			float floor = s->floor;

			switch (s->type) {
			case SOLID:
				return false;
			case CORNER: {
				int bx = x, by = y, bs = 1;
				if ((x == x1 && y == y1 &&
				        cornertest(
				            0, x, y, -1, -1, &bx, &by, &bs) &&
				        fx1 - bx + fy1 - by <= bs) ||
				    (x == x2 && y == y1 &&
				        cornertest(
				            0, x, y, 1, -1, &bx, &by, &bs) &&
				        fx2 - bx >= fy1 - by) ||
				    (x == x1 && y == y2 &&
				        cornertest(
				            0, x, y, -1, 1, &bx, &by, &bs) &&
				        fx1 - bx <= fy2 - by) ||
				    (x == x2 && y == y2 &&
				        cornertest(
				            0, x, y, 1, 1, &bx, &by, &bs) &&
				        fx2 - bx + fy2 - by >= bs))
					return false;
				break;
			}
			// FIXME: too simplistic collision with slopes, makes
			// it feels like tiny stairs
			case FHF:
				floor -= (s->vdelta + S(x + 1, y)->vdelta +
				             S(x, y + 1)->vdelta +
				             S(x + 1, y + 1)->vdelta) /
				    16.0f;
				break;
			case CHF:
				ceil += (s->vdelta + S(x + 1, y)->vdelta +
				            S(x, y + 1)->vdelta +
				            S(x + 1, y + 1)->vdelta) /
				    16.0f;
			}

			if (ceil < hi)
				hi = ceil;
			if (floor > lo)
				lo = floor;
			if (floor < minfloor)

				// rise thru stair
				d.origin = OFAddVectors3D(
				    d.origin, OFMakeVector3D(0, 0, rise));
			else
				return false;
		} else
			// gravity
			d.origin = OFSubtractVectors3D(d.origin,
			    OFMakeVector3D(
			        0, 0, min(min(drop, space), headspace)));

		const float space2 = hi - (d.origin.z + d.aboveEye);
		if (space2 < 0) {
			if (space2 < -0.1)
				return false; // hack alert!
			// glue to ceiling
			d.origin = OFMakeVector3D(

	// mostly

	if (pl.origin.x < 0 || pl.origin.x >= ssize || pl.origin.y < 0 ||
	    pl.origin.y > ssize)
		pl.outsideMap = true;
	else {
		struct sqr *s = S((int)pl.origin.x, (int)pl.origin.y);
		pl.outsideMap = SOLID(s) ||
		    pl.origin.z <
		        s->floor - (s->type == FHF ? s->vdelta / 4 : 0) ||
		    pl.origin.z >
		        s->ceil + (s->type == CHF ? s->vdelta / 4 : 0);
	}

	// automatically apply smooth roll when strafing

	if (pl.strafe == 0)
		pl.roll = pl.roll / (1 + (float)sqrt((float)curtime) / 25);
	else {

	pl.inWater = water;
}

void
moveplayer(DynamicEntity *pl, int moveres, bool local)
{
	for (int i = 0; i < physicsrepeat; i++)
		moveplayer4(pl, moveres, local,
		    i ? curtime / physicsrepeat
		      : curtime -
		            curtime / physicsrepeat * (physicsrepeat - 1));
}