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RingRacers/src/k_collide.c
Sally Coolatta 5ac5ca89d0 New solid object bouncing, and updated player bouncing 
- Solid objects have new bouncing physics, it's a mix of the object bumping and wall bumping. It replaces the "solid" option on K_KartBouncing.
- Goomba stomp momentum is decided in K_KartBouncing itself instead of needing to be manually passed in as a boolean, so you'll be able to goomba stomp all objects instead of just players.
- Fixed bumping not carrying all of its intended momentum, due to a bug making friction apply very strongly.
2021-04-22 20:29:59 -04:00

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/// \file k_collide.c
/// \brief SRB2Kart item collision hooks
#include "k_collide.h"
#include "doomtype.h"
#include "p_mobj.h"
#include "k_kart.h"
#include "p_local.h"
#include "s_sound.h"
#include "r_main.h" // R_PointToAngle2, R_PointToDist2
#include "hu_stuff.h" // Sink snipe print
#include "doomdef.h" // Sink snipe print
#include "g_game.h" // Sink snipe print
boolean K_OrbinautJawzCollide(mobj_t *t1, mobj_t *t2)
{
boolean damageitem = false;
boolean sprung = false;
if (((t1->target == t2) || (t1->target == t2->target)) && (t1->threshold > 0 || (t2->type != MT_PLAYER && t2->threshold > 0)))
return true;
if (t1->health <= 0 || t2->health <= 0)
return true;
if ((t1->type == MT_ORBINAUT_SHIELD || t1->type == MT_JAWZ_SHIELD) && t1->lastlook
&& (t2->type == MT_ORBINAUT_SHIELD || t2->type == MT_JAWZ_SHIELD) && t2->lastlook
&& (t1->target == t2->target)) // Don't hit each other if you have the same target
return true;
if (t2->player)
{
if ((t2->player->flashing > 0 && t2->hitlag == 0)
&& !(t1->type == MT_ORBINAUT || t1->type == MT_JAWZ || t1->type == MT_JAWZ_DUD))
return true;
if (t2->player->hyudorotimer)
return true; // no interaction
if (t2->player->flamedash && t2->player->itemtype == KITEM_FLAMESHIELD)
{
// Melt item
S_StartSound(t2, sfx_s3k43);
}
else
{
// Player Damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_WIPEOUT);
K_KartBouncing(t2, t1);
S_StartSound(t2, sfx_s3k7b);
}
damageitem = true;
}
else if (t2->type == MT_ORBINAUT || t2->type == MT_JAWZ || t2->type == MT_JAWZ_DUD
|| t2->type == MT_ORBINAUT_SHIELD || t2->type == MT_JAWZ_SHIELD
|| t2->type == MT_BANANA || t2->type == MT_BANANA_SHIELD
|| t2->type == MT_BALLHOG)
{
// Other Item Damage
S_StartSound(t2, t2->info->deathsound);
P_KillMobj(t2, t1, t1, DMG_NORMAL);
P_SetObjectMomZ(t2, 8*FRACUNIT, false);
P_InstaThrust(t2, R_PointToAngle2(t1->x, t1->y, t2->x, t2->y)+ANGLE_90, 16*FRACUNIT);
P_SpawnMobj(t2->x/2 + t1->x/2, t2->y/2 + t1->y/2, t2->z/2 + t1->z/2, MT_ITEMCLASH);
damageitem = true;
}
else if (t2->type == MT_SSMINE_SHIELD || t2->type == MT_SSMINE || t2->type == MT_LANDMINE)
{
damageitem = true;
// Bomb death
P_KillMobj(t2, t1, t1, DMG_NORMAL);
}
else if (t2->flags & MF_SPRING && (t1->type != MT_ORBINAUT_SHIELD && t1->type != MT_JAWZ_SHIELD))
{
// Let thrown items hit springs!
sprung = P_DoSpring(t2, t1);
}
else if (t2->flags & MF_SHOOTABLE)
{
// Shootable damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
damageitem = true;
}
if (damageitem)
{
// This Item Damage
S_StartSound(t1, t1->info->deathsound);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
P_SetObjectMomZ(t1, 8*FRACUNIT, false);
P_InstaThrust(t1, R_PointToAngle2(t2->x, t2->y, t1->x, t1->y)+ANGLE_90, 16*FRACUNIT);
}
if (sprung)
{
return false;
}
return true;
}
boolean K_BananaBallhogCollide(mobj_t *t1, mobj_t *t2)
{
boolean damageitem = false;
if (((t1->target == t2) || (t1->target == t2->target)) && (t1->threshold > 0 || (t2->type != MT_PLAYER && t2->threshold > 0)))
return true;
if (t1->health <= 0 || t2->health <= 0)
return true;
if (((t1->type == MT_BANANA_SHIELD) && (t2->type == MT_BANANA_SHIELD))
&& (t1->target == t2->target)) // Don't hit each other if you have the same target
return true;
if (t1->type == MT_BALLHOG && t2->type == MT_BALLHOG)
return true; // Ballhogs don't collide with eachother
if (t2->player)
{
if (t2->player->flashing > 0 && t2->hitlag == 0)
return true;
// Banana snipe!
if (t1->type == MT_BANANA && t1->health > 1)
S_StartSound(t2, sfx_bsnipe);
if (t2->player->flamedash && t2->player->itemtype == KITEM_FLAMESHIELD)
{
// Melt item
S_StartSound(t2, sfx_s3k43);
}
else
{
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
}
damageitem = true;
}
else if (t2->type == MT_BANANA || t2->type == MT_BANANA_SHIELD
|| t2->type == MT_ORBINAUT || t2->type == MT_ORBINAUT_SHIELD
|| t2->type == MT_JAWZ || t2->type == MT_JAWZ_DUD || t2->type == MT_JAWZ_SHIELD
|| t2->type == MT_BALLHOG)
{
// Other Item Damage
S_StartSound(t2, t2->info->deathsound);
P_KillMobj(t2, t1, t1, DMG_NORMAL);
P_SetObjectMomZ(t2, 8*FRACUNIT, false);
P_InstaThrust(t2, R_PointToAngle2(t1->x, t1->y, t2->x, t2->y)+ANGLE_90, 16*FRACUNIT);
P_SpawnMobj(t2->x/2 + t1->x/2, t2->y/2 + t1->y/2, t2->z/2 + t1->z/2, MT_ITEMCLASH);
damageitem = true;
}
else if (t2->type == MT_SSMINE_SHIELD || t2->type == MT_SSMINE || t2->type == MT_LANDMINE)
{
damageitem = true;
// Bomb death
P_KillMobj(t2, t1, t1, DMG_NORMAL);
}
else if (t2->flags & MF_SHOOTABLE)
{
// Shootable damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
damageitem = true;
}
if (damageitem)
{
// This Item Damage
S_StartSound(t1, t1->info->deathsound);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
P_SetObjectMomZ(t1, 8*FRACUNIT, false);
P_InstaThrust(t1, R_PointToAngle2(t2->x, t2->y, t1->x, t1->y)+ANGLE_90, 16*FRACUNIT);
}
return true;
}
boolean K_EggItemCollide(mobj_t *t1, mobj_t *t2)
{
// Push fakes out of other item boxes
if (t2->type == MT_RANDOMITEM || t2->type == MT_EGGMANITEM)
{
P_InstaThrust(t1, R_PointToAngle2(t2->x, t2->y, t1->x, t1->y), t2->radius/4);
return true;
}
if (t2->player)
{
if ((t1->target == t2 || t1->target == t2->target) && (t1->threshold > 0))
return true;
if (t1->health <= 0 || t2->health <= 0)
return true;
if (!P_CanPickupItem(t2->player, 2))
return true;
if ((gametyperules & GTR_BUMPERS) && t2->player->bumpers <= 0)
{
return true;
}
else
{
K_DropItems(t2->player); //K_StripItems(t2->player);
//K_StripOther(t2->player);
t2->player->itemroulette = 1;
t2->player->roulettetype = 2;
}
if (t2->player->flamedash && t2->player->itemtype == KITEM_FLAMESHIELD)
{
// Melt item
S_StartSound(t2, sfx_s3k43);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
return true;
}
else
{
mobj_t *poof = P_SpawnMobj(t1->x, t1->y, t1->z, MT_EXPLODE);
S_StartSound(poof, t1->info->deathsound);
#if 0
// Eggbox snipe!
if (t1->type == MT_EGGMANITEM && t1->health > 1)
S_StartSound(t2, sfx_bsnipe);
#endif
if (t1->target && t1->target->player)
{
if ((gametyperules & GTR_CIRCUIT) || t1->target->player->bumpers > 0)
t2->player->eggmanblame = t1->target->player-players;
else
t2->player->eggmanblame = t2->player-players;
if (t1->target->hnext == t1)
{
P_SetTarget(&t1->target->hnext, NULL);
t1->target->player->pflags &= ~PF_EGGMANOUT;
}
}
P_RemoveMobj(t1);
return true;
}
}
return true;
}
boolean K_MineCollide(mobj_t *t1, mobj_t *t2)
{
if (((t1->target == t2) || (t1->target == t2->target)) && (t1->threshold > 0 || (t2->type != MT_PLAYER && t2->threshold > 0)))
return true;
if (t1->health <= 0 || t2->health <= 0)
return true;
if (t2->player)
{
if (t2->player->flashing > 0 && t2->hitlag == 0)
return true;
// Bomb punting
if ((t1->state >= &states[S_SSMINE1] && t1->state <= &states[S_SSMINE4])
|| (t1->state >= &states[S_SSMINE_DEPLOY8] && t1->state <= &states[S_SSMINE_DEPLOY13]))
{
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
else
{
K_PuntMine(t1, t2);
}
}
else if (t2->type == MT_ORBINAUT || t2->type == MT_JAWZ || t2->type == MT_JAWZ_DUD
|| t2->type == MT_ORBINAUT_SHIELD || t2->type == MT_JAWZ_SHIELD)
{
// Bomb death
P_KillMobj(t1, t2, t2, DMG_NORMAL);
// Other Item Damage
S_StartSound(t2, t2->info->deathsound);
P_KillMobj(t2, t1, t1, DMG_NORMAL);
P_SetObjectMomZ(t2, 8*FRACUNIT, false);
P_InstaThrust(t2, R_PointToAngle2(t1->x, t1->y, t2->x, t2->y)+ANGLE_90, 16*FRACUNIT);
}
else if (t2->flags & MF_SHOOTABLE)
{
// Bomb death
P_KillMobj(t1, t2, t2, DMG_NORMAL);
// Shootable damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
}
return true;
}
boolean K_MineExplosionCollide(mobj_t *t1, mobj_t *t2)
{
if (t2->player)
{
if (t2->player->flashing > 0 && t2->hitlag == 0)
return true;
if (t1->state == &states[S_MINEEXPLOSION1])
{
P_DamageMobj(t2, t1, t1->target, 1, DMG_EXPLODE);
}
else
{
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
}
}
else if (t2->flags & MF_SHOOTABLE)
{
// Shootable damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
}
return true;
}
boolean K_LandMineCollide(mobj_t *t1, mobj_t *t2)
{
if (((t1->target == t2) || (t1->target == t2->target)) && (t1->threshold > 0 || (t2->type != MT_PLAYER && t2->threshold > 0)))
return true;
if (t1->health <= 0 || t2->health <= 0)
return true;
if (t2->player)
{
if (t2->player->flashing)
return true;
// Banana snipe!
if (t1->health > 1)
S_StartSound(t2, sfx_bsnipe);
if (t2->player->flamedash && t2->player->itemtype == KITEM_FLAMESHIELD)
{
// Melt item
S_StartSound(t2, sfx_s3k43);
}
else
{
// Player Damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_TUMBLE);
}
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
else if (t2->type == MT_BANANA || t2->type == MT_BANANA_SHIELD
|| t2->type == MT_ORBINAUT || t2->type == MT_ORBINAUT_SHIELD
|| t2->type == MT_JAWZ || t2->type == MT_JAWZ_DUD || t2->type == MT_JAWZ_SHIELD
|| t2->type == MT_BALLHOG)
{
// Other Item Damage
if (t2->eflags & MFE_VERTICALFLIP)
t2->z -= t2->height;
else
t2->z += t2->height;
S_StartSound(t2, t2->info->deathsound);
P_KillMobj(t2, t1, t1, DMG_NORMAL);
P_SetObjectMomZ(t2, 8*FRACUNIT, false);
P_InstaThrust(t2, R_PointToAngle2(t1->x, t1->y, t2->x, t2->y)+ANGLE_90, 16*FRACUNIT);
P_SpawnMobj(t2->x/2 + t1->x/2, t2->y/2 + t1->y/2, t2->z/2 + t1->z/2, MT_ITEMCLASH);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
else if (t2->type == MT_SSMINE_SHIELD || t2->type == MT_SSMINE || t2->type == MT_LANDMINE)
{
P_KillMobj(t1, t2, t2, DMG_NORMAL);
// Bomb death
P_KillMobj(t2, t1, t1, DMG_NORMAL);
}
else if (t2->flags & MF_SHOOTABLE)
{
// Shootable damage
P_DamageMobj(t2, t1, t1->target, 1, DMG_NORMAL);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
return true;
}
boolean K_KitchenSinkCollide(mobj_t *t1, mobj_t *t2)
{
if (((t1->target == t2) || (t1->target == t2->target)) && (t1->threshold > 0 || (t2->type != MT_PLAYER && t2->threshold > 0)))
return true;
if (t2->player)
{
if (t2->player->flashing > 0 && t2->hitlag == 0)
return true;
S_StartSound(NULL, sfx_bsnipe); // let all players hear it.
HU_SetCEchoFlags(0);
HU_SetCEchoDuration(5);
HU_DoCEcho(va("%s\\was hit by a kitchen sink.\\\\\\\\", player_names[t2->player-players]));
I_OutputMsg("%s was hit by a kitchen sink.\n", player_names[t2->player-players]);
P_DamageMobj(t2, t1, t1->target, 1, DMG_INSTAKILL);
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
else if (t2->flags & MF_SHOOTABLE)
{
// Shootable damage
P_KillMobj(t2, t2, t1->target, DMG_NORMAL);
// This item damage
P_KillMobj(t1, t2, t2, DMG_NORMAL);
}
return true;
}
boolean K_FallingRockCollide(mobj_t *t1, mobj_t *t2)
{
if (t2->player || t2->type == MT_FALLINGROCK)
K_KartBouncing(t2, t1);
return true;
}
boolean K_SMKIceBlockCollide(mobj_t *t1, mobj_t *t2)
{
if (!(t2->flags & MF_SOLID || t2->flags & MF_SHOOTABLE))
return true;
if (!(t2->health))
return true;
if (t2->type == MT_BANANA || t2->type == MT_BANANA_SHIELD
|| t2->type == MT_EGGMANITEM || t2->type == MT_EGGMANITEM_SHIELD
|| t2->type == MT_SSMINE || t2->type == MT_SSMINE_SHIELD
|| t2->type == MT_ORBINAUT_SHIELD || t2->type == MT_JAWZ_SHIELD)
return false;
if (t1->health)
P_KillMobj(t1, t2, t2, DMG_NORMAL);
/*
if (t2->player && (t2->player->invincibilitytimer > 0
|| t2->player->growshrinktimer > 0))
return true;
*/
K_KartSolidBounce(t1, t2);
return true;
}
boolean K_PvPTouchDamage(mobj_t *t1, mobj_t *t2)
{
boolean t1Condition = false;
boolean t2Condition = false;
boolean stung = false;
// Grow damage
t1Condition = (t1->scale > t2->scale + (mapobjectscale/8));
t2Condition = (t2->scale > t1->scale + (mapobjectscale/8));
if (t1Condition == true && t2Condition == false)
{
P_DamageMobj(t2, t1, t1, 1, DMG_TUMBLE);
return true;
}
else if (t1Condition == false && t2Condition == true)
{
P_DamageMobj(t1, t2, t2, 1, DMG_TUMBLE);
return true;
}
// Invincibility damage
t1Condition = (t1->player->invincibilitytimer > 0);
t2Condition = (t2->player->invincibilitytimer > 0);
if (t1Condition == true && t2Condition == false)
{
P_DamageMobj(t2, t1, t1, 1, DMG_TUMBLE);
return true;
}
else if (t1Condition == false && t2Condition == true)
{
P_DamageMobj(t1, t2, t2, 1, DMG_TUMBLE);
return true;
}
// Flame Shield dash damage
t1Condition = (t1->player->flamedash > 0 && t1->player->itemtype == KITEM_FLAMESHIELD);
t2Condition = (t2->player->flamedash > 0 && t2->player->itemtype == KITEM_FLAMESHIELD);
if (t1Condition == true && t2Condition == false)
{
P_DamageMobj(t2, t1, t1, 1, DMG_WIPEOUT);
return true;
}
else if (t1Condition == false && t2Condition == true)
{
P_DamageMobj(t1, t2, t2, 1, DMG_WIPEOUT);
return true;
}
// Battle Mode Sneaker damage
// (Pogo Spring damage is handled in head-stomping code)
if (gametyperules & GTR_BUMPERS)
{
t1Condition = (t1->player->sneakertimer > 0 && t1->player->flashing != 0);
t2Condition = (t2->player->sneakertimer > 0 && t2->player->flashing != 0);
if (t1Condition == true && t2Condition == false)
{
P_DamageMobj(t2, t1, t1, 1, DMG_WIPEOUT|DMG_STEAL);
return true;
}
else if (t1Condition == false && t2Condition == true)
{
P_DamageMobj(t1, t2, t2, 1, DMG_WIPEOUT|DMG_STEAL);
return true;
}
}
// Ring sting, this is a bit more unique
t1Condition = (K_GetShieldFromItem(t2->player->itemtype) == KSHIELD_NONE);
t2Condition = (K_GetShieldFromItem(t1->player->itemtype) == KSHIELD_NONE);
if (t1Condition == true)
{
P_PlayerRingBurst(t2->player, 1);
if (t2->player->rings <= 0)
{
P_DamageMobj(t2, t1, t1, 1, DMG_STING);
stung = true;
}
}
if (t2Condition == true)
{
P_PlayerRingBurst(t1->player, 1);
if (t1->player->rings <= 0)
{
P_DamageMobj(t1, t2, t2, 1, DMG_STING);
stung = true;
}
}
return stung;
}
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