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SpaghettiKart/src/engine/objects/BombKart.cpp
T
MegaMech 1dee7001f6 Updates
2025-03-21 20:38:02 -06:00

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#include <libultraship.h>
#include "engine/objects/Object.h"
#include "BombKart.h"
#include <vector>
#include "port/Game.h"
#include "engine/Matrix.h"
extern "C" {
#include "macros.h"
#include "main.h"
#include "actors.h"
#include "math_util.h"
#include "sounds.h"
#include "update_objects.h"
#include "render_player.h"
#include "external.h"
#include "bomb_kart.h"
#include "collision.h"
#include "code_80086E70.h"
#include "render_objects.h"
#include "code_80057C60.h"
#include "defines.h"
#include "code_80005FD0.h"
#include "math_util_2.h"
#include "collision.h"
extern s8 gPlayerCount;
}
size_t OBombKart::_count = 0;
OBombKart::OBombKart(FVector pos, TrackWaypoint* waypoint, uint16_t waypointIndex, uint16_t state, f32 unk_3C) {
Name = "Bomb Kart";
_idx = _count;
Vec3f _pos = {0, 0, 0};
if (waypoint) { // Spawn kart on waypoint
_pos[0] = waypoint->posX;
_pos[1] = waypoint->posY;
_pos[2] = waypoint->posZ;
} else { // Spawn kart on a surface with the provided position
// Set height to the default value of 2000.0f unless Pos[1] is higher.
// This allows placing these on very high surfaces.
f32 height = (pos.y > 2000.0f) ? pos.y : 2000.0f;
_pos[0] = pos.x;
_pos[1] = spawn_actor_on_surface(pos.x, height, pos.z);
_pos[2] = pos.z;
}
WaypointIndex = waypointIndex;
Unk_3C = unk_3C;
State = static_cast<States>(state);
Pos[0] = _pos[0];
Pos[1] = _pos[1];
Pos[2] = _pos[2];
_spawnPos[0] = _pos[0];
_spawnPos[1] = _pos[1];
_spawnPos[2] = _pos[2];
CenterY = _pos[1];
WheelPos[0][0] = _pos[0];
WheelPos[0][1] = _pos[1];
WheelPos[0][2] = _pos[2];
WheelPos[1][0] = _pos[0];
WheelPos[1][1] = _pos[1];
WheelPos[1][2] = _pos[2];
WheelPos[2][0] = _pos[0];
WheelPos[2][1] = _pos[1];
WheelPos[2][2] = _pos[2];
WheelPos[3][0] = _pos[0];
WheelPos[3][1] = _pos[1];
WheelPos[3][2] = _pos[2];
check_bounding_collision(&_Collision, 2.0f, _pos[0], _pos[1], _pos[2]);
find_unused_obj_index(&_objectIndex);
_count++;
}
void OBombKart::Tick() {
f32 sp118;
f32 var_f18;
TrackWaypoint* temp_v0_2;
f32 temp_f0_3;
f32 sp108;
f32 temp_f14;
f32 temp_f16;
f32 temp_f0;
f32 temp_f0_4;
u16 waypoint;
f32 unk_3C;
u16 someRot;
f32 temp_f12;
f32 temp_f12_3;
f32 temp_f12_4;
f32 temp_f14_2;
f32 spAC;
f32 temp_f16_2;
f32 spA0;
f32 temp_f2;
f32 temp_f2_4;
f32 sp94;
f32 sp88;
Vec3f newPos;
States state;
u16 bounceTimer;
UNUSED u16 sp4C;
u16 temp_t6;
u16 temp_t7;
u16 circleTimer;
TrackWaypoint* temp_v0_4;
Player* player;
state = State;
if (state == States::DISABLED) {
return;
}
if (((Unk_4A != 1) || (GetCourse() == GetPodiumCeremony()))) {
newPos[0] = Pos[0];
newPos[1] = Pos[1];
newPos[2] = Pos[2];
waypoint = WaypointIndex;
unk_3C = Unk_3C;
someRot = SomeRot;
bounceTimer = BounceTimer;
circleTimer = CircleTimer;
if ((state != States::DISABLED) && (state != States::EXPLODE)) {
if (GetCourse() == GetPodiumCeremony()) {
if (D_8016347E == 1) {
player = gPlayerFour;
temp_f0 = newPos[0] - player->pos[0];
temp_f2 = newPos[2] - player->pos[1];
temp_f12 = newPos[2] - player->pos[2];
if ((((temp_f0 * temp_f0) + (temp_f2 * temp_f2)) + (temp_f12 * temp_f12)) < 25.0f) {
circleTimer = 0;
state = States::EXPLODE;
player->soundEffects |= 0x400000;
player->type &= ~0x2000;
}
}
} else {
for (size_t i = 0; i < gPlayerCount; i++) {
player = &gPlayers[i];
if (!(player->effects & 0x80000000)) {
temp_f0 = newPos[0] - player->pos[0];
temp_f2 = newPos[1] - player->pos[1];
temp_f12 = newPos[2] - player->pos[2];
if ((((temp_f0 * temp_f0) + (temp_f2 * temp_f2)) + (temp_f12 * temp_f12)) < 25.0f) {
state = States::EXPLODE;
circleTimer = 0;
if (GetCourse() == GetFrappeSnowland()) {
player->soundEffects |= 0x01000000;
} else {
player->soundEffects |= 0x400000;
}
}
}
}
}
}
switch(state) {
case States::CCW:
circleTimer = (circleTimer + 356) % 360;
temp_t6 = (circleTimer * 0xFFFF) / 360;
sp118 = coss(temp_t6) * 25.0;
temp_f0_3 = sins(temp_t6) * 25.0;
temp_v0_2 = &D_80164550[0][waypoint];
newPos[0] = temp_v0_2->posX + sp118;
newPos[1] = CenterY + 3.5f;
newPos[2] = temp_v0_2->posZ + temp_f0_3;
D_80162FB0[0] = newPos[0];
D_80162FB0[1] = newPos[1];
D_80162FB0[2] = newPos[2];
temp_t7 = (((circleTimer + 1) % 360) * 0xFFFF) / 360;
sp118 = coss(temp_t7) * 25.0;
temp_f0_3 = sins(temp_t7) * 25.0;
D_80162FC0[0] = temp_v0_2->posX + sp118;
D_80162FC0[1] = temp_v0_2->posY;
D_80162FC0[2] = temp_v0_2->posZ + temp_f0_3;
someRot = (get_angle_between_two_vectors(D_80162FB0, D_80162FC0) * 0xFFFF) / 65520;
break;
case States::CW:
circleTimer = (circleTimer + 4) % 360;
temp_t6 = (circleTimer * 0xFFFF) / 360;
sp118 = coss(temp_t6) * 25.0;
temp_f0_3 = sins(temp_t6) * 25.0;
temp_v0_2 = &D_80164550[0][waypoint];
newPos[0] = temp_v0_2->posX + sp118;
newPos[1] = CenterY + 3.5f;
newPos[2] = temp_v0_2->posZ + temp_f0_3;
D_80162FB0[0] = newPos[0];
D_80162FB0[1] = newPos[1];
D_80162FB0[2] = newPos[2];
temp_t7 = (((circleTimer + 1) % 360) * 0xFFFF) / 360;
sp118 = coss(temp_t7) * 25.0;
temp_f0_3 = sins(temp_t7) * 25.0;
D_80162FC0[0] = temp_v0_2->posX + sp118;
D_80162FC0[1] = temp_v0_2->posY;
D_80162FC0[2] = temp_v0_2->posZ + temp_f0_3;
someRot = (get_angle_between_two_vectors(D_80162FB0, D_80162FC0) * 0xFFFF) / 65520;
break;
case States::STATIONARY:
newPos[1] = CenterY + 3.5f;
someRot = 0;
break;
case States::PODIUM_CEREMONY:
if ((D_8016347C == 0) || (gNearestWaypointByPlayerId[3] < 5)) {
break;
} else {
waypoint = func_8000D2B4(newPos[0], newPos[1], newPos[2], waypoint, 3);
if ((waypoint < 0) || (gWaypointCountByPathIndex[3] < waypoint)) {
waypoint = 0;
}
if (((s32) waypoint) < 0x1A) {
temp_v0_2 = &D_80164550[3][(waypoint + 1) % gWaypointCountByPathIndex[3]];
D_80162FB0[0] = temp_v0_2->posX;
D_80162FB0[1] = temp_v0_2->posY;
D_80162FB0[2] = temp_v0_2->posZ;
temp_v0_4 = &D_80164550[3][(waypoint + 2) % gWaypointCountByPathIndex[3]];
D_80162FC0[0] = temp_v0_4->posX;
D_80162FC0[1] = temp_v0_4->posY;
D_80162FC0[2] = temp_v0_4->posZ;
someRot = (get_angle_between_two_vectors(D_80162FB0, D_80162FC0) * 0xFFFF) / 65520;
} else {
D_80162FB0[0] = newPos[0];
D_80162FB0[1] = newPos[1];
D_80162FB0[2] = newPos[2];
D_80162FC0[0] = -2409.197f;
D_80162FC0[1] = 0.0f;
D_80162FC0[2] = -355.254f;
someRot = (get_angle_between_two_vectors(D_80162FB0, D_80162FC0) * 0xFFFF) / 65520;
}
temp_f14 = ((D_80162FB0[0] + D_80162FC0[0]) * 0.5f) - newPos[0];
temp_f16 = ((D_80162FB0[2] + D_80162FC0[2]) * 0.5f) - newPos[2];
temp_f0_4 = sqrtf((temp_f14 * temp_f14) + (temp_f16 * temp_f16));
if (temp_f0_4 > 0.01f) {
newPos[0] += (Unk_3C * temp_f14) / temp_f0_4;
newPos[2] += (Unk_3C * temp_f16) / temp_f0_4;
} else {
newPos[0] += temp_f14 / 5.0f;
newPos[2] += temp_f16 / 5.0f;
}
newPos[1] = calculate_surface_height(newPos[0], 2000.0f, newPos[2], _Collision.meshIndexZX) + 3.5f;
if (newPos[1] < (-1000.0)) {
newPos[1] = Pos[1];
}
check_bounding_collision(&_Collision, 10.0f, newPos[0], newPos[1], newPos[2]);
}
break;
case States::CHASE:
if (!_target) {
_target = OBombKart::FindTarget();
} else {
OBombKart::Chase(_target, newPos);
}
break;
case States::EXPLODE:
temp_v0_2 = &D_80164550[0][waypoint];
D_80162FB0[0] = temp_v0_2->posX;
D_80162FB0[1] = temp_v0_2->posY;
D_80162FB0[2] = temp_v0_2->posZ;
temp_v0_4 = &D_80164550[0][(waypoint + 1) % gWaypointCountByPathIndex[0]];
D_80162FC0[0] = temp_v0_4->posX;
D_80162FC0[1] = temp_v0_4->posY;
D_80162FC0[2] = temp_v0_4->posZ;
newPos[1] += 3.0f - (circleTimer * 0.3f);
someRot = (get_angle_between_two_vectors(D_80162FB0, D_80162FC0) * 0xFFFF) / 65520;
break;
default:
break;
}
if (state == States::EXPLODE) {
sp108 = 2.0f * circleTimer;
sp118 = coss(0xFFFF - someRot) * circleTimer;
var_f18 = sins(0xFFFF - someRot) * circleTimer;
circleTimer++;
temp_f2_4 = (newPos[1] - 2.3f) + (sp108 / 3.0f);
spAC = temp_f2_4;
spA0 = temp_f2_4;
sp94 = temp_f2_4;
sp88 = temp_f2_4;
if (circleTimer >= 31) {
state = States::DISABLED;
}
} else {
sp118 = coss(0xFFFF - someRot) * 1.5f;
var_f18 = sins(0xFFFF - someRot) * 1.5f;
temp_f16_2 = newPos[1] - 2.3f;
temp_f12_3 = (bounceTimer % 3) * 0.15f;
temp_f14_2 = temp_f16_2 - temp_f12_3;
temp_f12_4 = temp_f16_2 + temp_f12_3;
spAC = temp_f14_2;
sp94 = temp_f14_2;
spA0 = temp_f12_4;
sp88 = temp_f12_4;
newPos[1] += sins((bounceTimer * 0x13FFEC) / 360);
bounceTimer = (bounceTimer + 1) % 18;
}
WheelPos[0][0] = (sp118 - var_f18) + newPos[0];
WheelPos[0][1] = spAC;
WheelPos[0][2] = (var_f18 + sp118) + newPos[2];
WheelPos[1][0] = (var_f18 + sp118) + newPos[0];
WheelPos[1][1] = spA0;
WheelPos[1][2] = (var_f18 - sp118) + newPos[2];
WheelPos[2][0] = ((-sp118) - var_f18) + newPos[0];
WheelPos[2][1] = sp94;
WheelPos[2][2] = ((-var_f18) + sp118) + newPos[2];
WheelPos[3][0] = ((-sp118) + var_f18) + newPos[0];
WheelPos[3][1] = sp88;
WheelPos[3][2] = ((-var_f18) - sp118) + newPos[2];
Pos[0] = newPos[0];
Pos[1] = newPos[1];
Pos[2] = newPos[2];
WaypointIndex = waypoint;
Unk_3C = unk_3C;
SomeRot = someRot;
State = state;
BounceTimer = bounceTimer;
CircleTimer = circleTimer;
}
}
void OBombKart::Draw(s32 cameraId) {
if (gModeSelection == BATTLE) {
for (size_t playerId = 0; playerId < NUM_BOMB_KARTS_BATTLE; playerId++) {
Object* object = &gObjectList[_objectIndex];
if (object->state != 0) {
s32 primAlpha = object->primAlpha;
Player* player = &gPlayerOne[playerId];
object->pos[0] = player->pos[0];
object->pos[1] = player->pos[1] - 2.0;
object->pos[2] = player->pos[2];
object->surfaceHeight = player->unk_074;
func_800563DC(_objectIndex, cameraId, primAlpha);
func_8005669C(_objectIndex, cameraId, primAlpha);
func_800568A0(_objectIndex, cameraId);
}
}
return;
}
if (GetCourse() == GetPodiumCeremony()) {
if ((_idx == 0) && (WaypointIndex < 16)) {
return;
} else {
cameraId = PLAYER_FOUR;
}
}
if (gGamestate == ENDING) {
cameraId = 0;
}
Camera* camera = &camera1[cameraId];
if (cameraId == PLAYER_ONE) {
if (is_obj_flag_status_active(_objectIndex, 0x00200000) != 0) {
Unk_4A = 0;
} else if (gGamestate != ENDING) {
Unk_4A = 1;
}
clear_object_flag(_objectIndex, 0x00200000);
}
// huh???
s32 state = State;
if (State != States::DISABLED) {
gObjectList[_objectIndex].pos[0] = Pos[0];
gObjectList[_objectIndex].pos[1] = Pos[1];
gObjectList[_objectIndex].pos[2] = Pos[2];
s32 temp_s4 = func_8008A364(_objectIndex, cameraId, 0x31C4U, 0x000001F4);
if (is_obj_flag_status_active(_objectIndex, VISIBLE) != 0) {
set_object_flag(_objectIndex, 0x00200000);
D_80183E80[0] = 0;
D_80183E80[1] = func_800418AC(Pos[0], Pos[2], camera->pos);
D_80183E80[2] = 0x8000;
func_800563DC(_objectIndex, cameraId, 0x000000FF);
OBombKart::SomeRender(camera->pos);
if (((u32) temp_s4 < 0x4E21U) && (state != BOMB_STATE_EXPLODED)) {
OBombKart::LoadMtx();
}
}
}
}
void OBombKart::DrawBattle(s32 cameraId) {
}
void OBombKart::SomeRender(Vec3f arg1) {
D_80183E80[0] = 0;
D_80183E80[2] = 0x8000;
gSPDisplayList(gDisplayListHead++, (Gfx*)D_0D0079C8);
load_texture_block_rgba16_mirror((u8*) D_0D02AA58, 0x00000010, 0x00000010);
D_80183E80[1] = func_800418AC(WheelPos[0][0], WheelPos[0][2], arg1);
func_800431B0(WheelPos[0], D_80183E80, 0.15f, (Vtx*)common_vtx_rectangle);
D_80183E80[1] = func_800418AC(WheelPos[1][0], WheelPos[1][2], arg1);
func_800431B0(WheelPos[1], D_80183E80, 0.15f, (Vtx*)common_vtx_rectangle);
D_80183E80[1] = func_800418AC(WheelPos[2][0], WheelPos[2][2], arg1);
func_800431B0(WheelPos[2], D_80183E80, 0.15f, (Vtx*)common_vtx_rectangle);
D_80183E80[1] = func_800418AC(WheelPos[3][0], WheelPos[3][2], arg1);
func_800431B0(WheelPos[3], D_80183E80, 0.15f, (Vtx*)common_vtx_rectangle);
gSPTexture(gDisplayListHead++, 1, 1, 0, G_TX_RENDERTILE, G_OFF);
}
void OBombKart::LoadMtx() {
Mat4 mat;
D_80183E50[0] = Pos[0];
D_80183E50[1] = CenterY + 1.0;
D_80183E50[2] = Pos[2];
set_transform_matrix(mat, _Collision.orientationVector, D_80183E50, 0U, 0.5f);
//convert_to_fixed_point_matrix(&gGfxPool->mtxHud[gMatrixHudCount], mat);
AddHudMatrix(mat, G_MTX_LOAD | G_MTX_NOPUSH | G_MTX_MODELVIEW);
// gSPMatrix(gDisplayListHead++, VIRTUAL_TO_PHYSICAL(&gGfxPool->mtxHud[gMatrixHudCount++]),
// G_MTX_LOAD | G_MTX_NOPUSH | G_MTX_MODELVIEW);
gSPDisplayList(gDisplayListHead++, (Gfx*)D_0D007B98);
}
void OBombKart::Waypoint(s32 screenId) {
s32 playerWaypoint;
s32 bombWaypoint;
s32 waypointDiff;
playerWaypoint = gNearestWaypointByPlayerId[screenId];
playerHUD[screenId].unk_74 = 0;
if ((State == States::EXPLODE) || (State == States::DISABLED)) { return; };
bombWaypoint = WaypointIndex;
waypointDiff = bombWaypoint - playerWaypoint;
if ((waypointDiff < -5) || (waypointDiff > 0x1E)) { return; };
playerHUD[screenId].unk_74 = 1;
}
Player* OBombKart::FindTarget() {
for (size_t i = 0; i < NUM_PLAYERS; i++) {
if (gPlayers[i].type & PLAYER_HUMAN) {
if (is_within_distance_2d(Pos[0], Pos[2], gPlayers[i].pos[0], gPlayers[i].pos[2], 500)) {
return &gPlayers[i];
}
}
}
return NULL;
}
void OBombKart::Chase(Player* player, Vec3f pos) {
const f32 speed = 2.7f; // Speed the kart uses in a chase
if (!player) return; // Ensure player is valid
// Calculate the directional vector toward the player
Vec3f direction;
direction[0] = player->pos[0] - pos[0];
direction[1] = player->pos[1] - pos[1];
direction[2] = player->pos[2] - pos[2];
// Calculate the distance in the XZ plane
f32 xz_dist = sqrtf((direction[0] * direction[0]) + (direction[2] * direction[2]));
// Reset distance
if (xz_dist > 700.0f) {
_target = NULL;
pos[0] = _spawnPos[0];
pos[1] = _spawnPos[1];
pos[2] = _spawnPos[2];
return;
}
// Break off the chase if player has boo item
if (player->effects & BOO_EFFECT) {
_target = NULL;
pos[0] = _spawnPos[0];
pos[1] = _spawnPos[1];
pos[2] = _spawnPos[2];
return;
}
if (xz_dist > 0.0f) {
// Normalize the direction vector in the XZ plane
direction[0] /= xz_dist;
direction[2] /= xz_dist;
// Scale the movement by a fixed step size
pos[0] += direction[0] * speed;
pos[2] += direction[2] * speed;
}
Vec3f newPosition;
newPosition[0] = pos[0];
newPosition[1] = pos[1];
newPosition[2] = pos[2];
newPosition[1] = calculate_surface_height(pos[0], 2000.0f, pos[2], _Collision.meshIndexZX) + 3.5f;
pos[0] = newPosition[0];
pos[1] = newPosition[1];
pos[2] = newPosition[2];
check_bounding_collision(&_Collision, 10.0f, pos[0], pos[1], pos[2]);
}
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