1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
#include <libultraship/libultraship.h>
#include <libultra/gbi.h>
#include "../CoreMath.h"
#include <libultra/types.h>
#include "../World.h"
#include "ObjectPicker.h"
#include "port/Engine.h"
#include <controller/controldevice/controller/mapping/keyboard/KeyboardScancodes.h>
#include <window/Window.h>
#include "engine/actors/Ship.h"
#include "port/Game.h"
#include "Gizmo.h"
#include "EditorMath.h"
extern "C" {
#include "common_structs.h"
#include "main.h"
#include "defines.h"
#include "actors.h"
#include "camera.h"
}
namespace Editor {
void ObjectPicker::Load() {
eGizmo.Load();
}
void ObjectPicker::Tick() {
}
void ObjectPicker::SelectObject(std::vector<GameObject*> objects) {
Ray ray;
ray.Origin = FVector(cameras[0].pos[0], cameras[0].pos[1], cameras[0].pos[2]);
// This allows selection of objects in the scene explorer.
// Otherwise this would still run when selecting buttons in editor windows.
if (IsInGameScreen()) {
ray.Direction = ScreenRayTrace();
ObjectPicker::FindObject(ray, objects);
if (_selected != nullptr) {
eGizmo.SetGizmo(_selected, ray);
eGizmo.Enabled = true;
} else {
//eGizmo.Disable();
eGizmo.Enabled = false;
eGizmo._selected = nullptr;
}
}
}
void ObjectPicker::DragHandle() {
Ray ray;
ray.Origin = FVector(cameras[0].pos[0], cameras[0].pos[1], cameras[0].pos[2]);
ray.Direction = ScreenRayTrace();
// Skip if a drag is already in progress
if (eGizmo.SelectedHandle != Gizmo::GizmoHandle::None) {
eGizmo._ray = ray.Direction;
eGizmo.Tick();
return;
}
// Is the gizmo being dragged?
if (!eGizmo.Enabled) { return; }
float closestDistance = FLT_MAX;
std::optional<FVector> closestClickPos;
Gizmo::GizmoHandle closestHandle = Gizmo::GizmoHandle::None;
// All axis grab. Not used in rotate mode rotate
if (static_cast<Gizmo::TranslationMode>(CVarGetInteger("eGizmoMode", 0)) != Gizmo::TranslationMode::Rotate) {
float t;
if (IntersectRaySphere(ray, eGizmo.Pos, eGizmo.AllAxisRadius, t)) {
if (t < closestDistance) {
closestDistance = t;
closestClickPos = ray.Origin + ray.Direction * t;
closestHandle = Gizmo::GizmoHandle::All_Axis;
}
}
}
// Arrow handles
auto tryHandle = [&](Gizmo::GizmoHandle handle, MtxF mtx, const std::vector<Triangle>& tris) {
for (const auto& tri : tris) {
if (auto clickPos = QueryHandleIntersection(mtx, ray, tri)) {
float dist = (*clickPos - ray.Origin).Magnitude();
if (dist < closestDistance) {
closestDistance = dist;
closestClickPos = *clickPos;
closestHandle = handle;
}
}
}
};
switch(static_cast<Gizmo::TranslationMode>(CVarGetInteger("eGizmoMode", 0))) {
case Gizmo::TranslationMode::Move:
tryHandle(Gizmo::GizmoHandle::Z_Axis, eGizmo.Mtx_RedX, eGizmo.RedCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::X_Axis, eGizmo.Mtx_GreenY, eGizmo.GreenCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::Y_Axis, eGizmo.Mtx_BlueZ, eGizmo.BlueCollision.Triangles);
break;
case Gizmo::TranslationMode::Rotate:
tryHandle(Gizmo::GizmoHandle::X_Axis, eGizmo.Mtx_RedX, eGizmo.RedRotateCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::Z_Axis, eGizmo.Mtx_GreenY, eGizmo.GreenRotateCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::Y_Axis, eGizmo.Mtx_BlueZ, eGizmo.BlueRotateCollision.Triangles);
break;
case Gizmo::TranslationMode::Scale:
tryHandle(Gizmo::GizmoHandle::Z_Axis, eGizmo.Mtx_RedX, eGizmo.RedScaleCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::X_Axis, eGizmo.Mtx_GreenY, eGizmo.GreenScaleCollision.Triangles);
tryHandle(Gizmo::GizmoHandle::Y_Axis, eGizmo.Mtx_BlueZ, eGizmo.BlueScaleCollision.Triangles);
break;
}
if (closestHandle != Gizmo::GizmoHandle::None && closestClickPos.has_value()) {
eGizmo.SelectedHandle = closestHandle;
eGizmo._ray = ray.Direction;
eGizmo._cursorOffset = eGizmo.Pos - *closestClickPos;
eGizmo.PickDistance = closestDistance;
}
}
void ObjectPicker::Draw() {
if (_selected != NULL) {
eGizmo.Draw();
}
if (Debug) {
Mat4 CursorMtx;
IRotator rot = IRotator(0,0,0);
FVector scale = FVector(0.1, 0.1, 0.1);
FVector ray = ScreenRayTrace();
float x = (cameras[0].pos[0] + ray.x * 800);
float y = (cameras[0].pos[1] + ray.y * 800);
float z = (cameras[0].pos[2] + ray.z * 800);
ApplyMatrixTransformations((float(*)[4])&CursorMtx, FVector(x, y, z), rot, scale);
Editor_AddMatrix((float(*)[4])&CursorMtx, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
gSPDisplayList(gDisplayListHead++, (Gfx*)"__OTR__tracks/sphere");
}
}
void ObjectPicker::FindObject(Ray ray, std::vector<GameObject*> objects) {
bool found = false;
GameObject* closestObject = nullptr;
float closestDistance = FLT_MAX;
for (auto& object : objects) {
float boundingBox = object->BoundingBoxSize;
if (boundingBox == 0.0f) {
boundingBox = 2.0f;
}
switch(object->Collision) {
case GameObject::CollisionType::VTX_INTERSECT:
for (const auto& tri : object->Triangles) {
float t;
if (IntersectRayTriangleAndTransform(ray, *object->Pos, tri, t)) {
if (t < closestDistance) {
closestDistance = t;
closestObject = object;
printf("SELECTED OBJECT\n");
}
}
}
break;
case GameObject::CollisionType::BOUNDING_BOX: {
float max = 2.0f;
float min = -2.0f;
Vec3f boxMin = { object->Pos->x + boundingBox * min,
object->Pos->y + boundingBox * min,
object->Pos->z + boundingBox * min };
Vec3f boxMax = { object->Pos->x + boundingBox * max,
object->Pos->y + boundingBox * max,
object->Pos->z + boundingBox * max };
float t;
if (QueryCollisionRayActor(&ray.Origin.x, &ray.Direction.x, boxMin, boxMax, &t)) {
if (t < closestDistance) {
closestDistance = t;
closestObject = object;
printf("FOUND BOUNDING BOX OBJECT\n");
}
break;
}
break;
}
case GameObject::CollisionType::BOUNDING_SPHERE:
printf("Editor::ObjectPicker.cpp Bounding sphere collision type not yet supported\n");
break;
}
}
if (closestObject != nullptr) {
_selected = closestObject;
// printf("FOUND COLLISION %d\n", type);
} else {
// printf("NO COLLISION\n");
_selected = nullptr;
}
}
}
|
