Reimplementing objects

1 files changed, 526 insertions, 0 deletions

diff --git a/src/engine/objects/BombKart.cpp b/src/engine/objects/BombKart.cpp
new file mode 100644
index 000000000..42506f826
--- /dev/null
+++ b/src/engine/objects/BombKart.cpp
@@ -0,0 +1,526 @@
+#include <libultraship.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;
+}
+
+OBombKart::OBombKart(Vec3f pos, TrackWaypoint* waypoint, uint16_t waypointIndex, uint16_t state, f32 unk_3C) {
+
+    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[1] > 2000.0f) ? pos[1] : 2000.0f;
+        _pos[0] = pos[0];
+        _pos[1] = spawn_actor_on_surface(pos[0], height, pos[2]);
+        _pos[2] = pos[2];
+    }
+
+    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]);
+}
+
+void OBombKart::Spawn() {
+    find_unused_obj_index(&ObjectIndex);
+}
+
+void OBombKart::BeginPlay() {
+
+}
+
+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) {
+        return;
+    }
+
+    if (GetCourse() == GetPodiumCeremony()) {
+        // This isn't functionally equivallent.
+        // Technicaly it should be if (kart[0].WaypointIndex < 16)
+        if (WaypointIndex < 16) {
+            return;
+        } else {
+            cameraId = PLAYER_FOUR;
+        }
+    }
+
+    Camera* camera;
+    s32 temp_s4;
+    s32 i;
+    s32 state;
+
+    if (gGamestate == ENDING) {
+        cameraId = 0;
+    }
+    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???
+    state = State;
+    if (State != States::DISABLED) {
+        gObjectList[ObjectIndex].pos[0] = Pos[0];
+        gObjectList[ObjectIndex].pos[1] = Pos[1];
+        gObjectList[ObjectIndex].pos[2] = Pos[2];
+        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) {
+    if (gModeSelection != BATTLE) {
+        return;
+    }
+    Player* temp_v0;
+    s32 temp_s1;
+    s32 playerId;
+    Object* object;
+
+    for (playerId = 0; playerId < gPlayerCount; playerId++) {
+        object = &gObjectList[ObjectIndex];
+        if (object->state != 0) {
+            temp_s1 = object->primAlpha;
+            temp_v0 = &gPlayerOne[playerId];
+            object->pos[0] = temp_v0->pos[0];
+            object->pos[1] = temp_v0->pos[1] - 2.0;
+            object->pos[2] = temp_v0->pos[2];
+            object->surfaceHeight = temp_v0->unk_074;
+            func_800563DC(ObjectIndex, cameraId, temp_s1);
+            func_8005669C(ObjectIndex, cameraId, temp_s1);
+            func_800568A0(ObjectIndex, 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;
+}
+
+void OBombKart::Collision(s32 playerId, Player* player) {
+
+}
+
+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]);
+}
\ No newline at end of file