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Add camera pitching when driving on downhill slopes

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This commit is contained in:
lachwright 2020-03-10 05:18:05 +08:00
parent b3a1bb6064
commit f0c98697dc
3 changed files with 41 additions and 6 deletions
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10
src/lua_hudlib.c
View file

@ -139,6 +139,8 @@ enum cameraf {
camera_momx,
camera_momy,
camera_momz,
camera_pan,
camera_pitch,
camera_pnum
};
@ -158,6 +160,8 @@ static const char *const camera_opt[] = {
"momx",
"momy",
"momz",
"pan",
"pitch",
"pnum",
NULL};
@ -314,6 +318,12 @@ static int camera_get(lua_State *L)
case camera_momz:
lua_pushinteger(L, cam->momz);
break;
case camera_pan:
lua_pushinteger(L, cam->pan);
break;
case camera_pitch:
lua_pushinteger(L, cam->pitch);
break;
case camera_pnum:
lua_pushinteger(L, camnum);
break;

2
src/p_local.h
View file

@ -107,6 +107,8 @@ typedef struct camera_s
// SRB2Kart: camera pans while drifting
fixed_t pan;
// SRB2Kart: camera pitches on slopes
angle_t pitch;
} camera_t;
extern camera_t camera[MAXSPLITSCREENPLAYERS];

35
src/p_user.c
View file

@ -7234,8 +7234,8 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
{
static UINT8 lookbackdelay[4] = {0,0,0,0};
UINT8 num;
angle_t angle = 0, focusangle = 0, focusaiming = 0;
fixed_t x, y, z, dist, height, viewpointx, viewpointy, camspeed, camdist, camheight, pviewheight;
angle_t angle = 0, focusangle = 0, focusaiming = 0, pitch = 0;
fixed_t x, y, z, dist, distxy, distz, height, viewpointx, viewpointy, camspeed, camdist, camheight, pviewheight;
fixed_t pan, xpan, ypan;
INT32 camrotate;
boolean camstill, lookback;
@ -7487,8 +7487,30 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
height -= FixedMul(height, player->karthud[khud_boostcam]);
}
x = mo->x - FixedMul(FINECOSINE((angle>>ANGLETOFINESHIFT) & FINEMASK), dist);
y = mo->y - FixedMul(FINESINE((angle>>ANGLETOFINESHIFT) & FINEMASK), dist);
if (mo->standingslope)
{
pitch = (angle_t)FixedMul(P_ReturnThrustX(mo, player->frameangle - mo->standingslope->xydirection, FRACUNIT), (fixed_t)mo->standingslope->zangle);
if (mo->eflags & MFE_VERTICALFLIP)
{
if (pitch >= ANGLE_180)
pitch = 0;
}
else
{
if (pitch < ANGLE_180)
pitch = 0;
}
}
pitch = thiscam->pitch + (angle_t)FixedMul(pitch - thiscam->pitch, camspeed/4);
if (rendermode == render_opengl)
distxy = FixedMul(dist, FINECOSINE((pitch>>ANGLETOFINESHIFT) & FINEMASK));
else
distxy = dist;
distz = -FixedMul(dist, FINESINE((pitch>>ANGLETOFINESHIFT) & FINEMASK));
x = mo->x - FixedMul(FINECOSINE((angle>>ANGLETOFINESHIFT) & FINEMASK), distxy);
y = mo->y - FixedMul(FINESINE((angle>>ANGLETOFINESHIFT) & FINEMASK), distxy);
// SRB2Kart: set camera panning
if (camstill || resetcalled || player->playerstate == PST_DEAD)
@ -7519,9 +7541,9 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
pviewheight = FixedMul(32<<FRACBITS, mo->scale);
if (mo->eflags & MFE_VERTICALFLIP)
z = mo->z + mo->height - pviewheight - camheight;
z = mo->z + mo->height - pviewheight - camheight + distz;
else
z = mo->z + pviewheight + camheight;
z = mo->z + pviewheight + camheight + distz;
#ifndef NOCLIPCAM // Disable all z-clipping for noclip cam
// move camera down to move under lower ceilings
@ -7756,6 +7778,7 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
}
thiscam->pan = pan;
thiscam->pitch = pitch;
// compute aming to look the viewed point
f1 = viewpointx-thiscam->x;