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
208
209
210
|
#include "Collision.h"
#include <libultraship/libultraship.h>
#include <libultra/gbi.h>
#include "engine/Matrix.h"
#include "engine/Actor.h"
#include "engine/objects/Object.h"
#include "engine/editor/GameObject.h"
#include "port/Game.h"
extern "C" {
#include "main.h"
#include "assets/textures/other_textures.h"
}
namespace TrackEditor {
void GenerateCollisionMesh(std::variant<AActor*, OObject*, GameObject*> object, Gfx* model, float scale) {
int8_t opcode;
uintptr_t lo;
uintptr_t hi;
Gfx* ptr = model;
Vtx* vtx = NULL;
size_t i = 0;
bool run = true;
while (run) {
i++;
lo = ptr->words.w0;
hi = ptr->words.w1;
opcode = (EDITOR_GFX_GET_OPCODE(lo) >> 24);
switch(opcode) {
case G_DL:
GenerateCollisionMesh(object, (Gfx*)hi, scale);
break;
case G_DL_OTR_HASH:
ptr++;
GenerateCollisionMesh(object, (Gfx*)ResourceGetDataByCrc(((uint64_t)(ptr->words.w0) << 32) + ptr->words.w1), scale);
break;
case G_DL_OTR_FILEPATH:
// printf("otr filepath: %s\n", (const char*)hi);
GenerateCollisionMesh(object, (Gfx*)ResourceGetDataByName((const char*)hi), scale);
break;
case G_VTX:
vtx = (Vtx*)ptr->words.w1;
break;
case G_VTX_OTR_HASH: {
ptr++;
vtx = (Vtx*)ResourceGetDataByCrc(((uint64_t)(ptr->words.w0) << 32) + ptr->words.w1);
break;
}
case G_VTX_OTR_FILEPATH: {
const char* filePath = (const char*)hi;
ptr++;
size_t vtxDataOff = ptr->words.w1 & 0xFFFF;
vtx = ( (Vtx*)ResourceGetDataByName(filePath) ) + vtxDataOff;
break;
}
case G_TRI1: {
if (vtx == NULL) {
ptr++;
continue;
}
uint32_t v1 = ((hi & 0x00FF0000) >> 16) / 2;
uint32_t v2 = ((hi & 0x0000FF00) >> 8) / 2;
uint32_t v3 = (hi & 0x000000FF) / 2;
FVector p1 = FVector(vtx[v1].v.ob[0], vtx[v1].v.ob[1], vtx[v1].v.ob[2]);
FVector p2 = FVector(vtx[v2].v.ob[0], vtx[v2].v.ob[1], vtx[v2].v.ob[2]);
FVector p3 = FVector(vtx[v3].v.ob[0], vtx[v3].v.ob[1], vtx[v3].v.ob[2]);
std::visit([p1, p2, p3](auto* obj) {
if (obj) {
obj->Triangles.push_back({p1, p2, p3});
}
}, object);
break;
}
case G_TRI1_OTR: {
if (vtx == NULL) {
ptr++;
continue;
}
// The shift values here are different than the above. No idea why. But it has to be this way.
uint32_t v1 = (lo & 0x0000FFFF);
uint32_t v2 = (hi >> 16);
uint32_t v3 = (hi & 0x0000FFFF);
FVector p1 = FVector(vtx[v1].v.ob[0], vtx[v1].v.ob[1], vtx[v1].v.ob[2]);
FVector p2 = FVector(vtx[v2].v.ob[0], vtx[v2].v.ob[1], vtx[v2].v.ob[2]);
FVector p3 = FVector(vtx[v3].v.ob[0], vtx[v3].v.ob[1], vtx[v3].v.ob[2]);
std::visit([p1, p2, p3](auto* obj) {
if (obj) {
obj->Triangles.push_back({p1, p2, p3});
}
}, object);
break;
}
case G_TRI2: {
if (vtx == NULL) {
ptr++;
continue;
}
uint32_t v1 = ((lo & 0x00FF0000) >> 16) / 2;
uint32_t v2 = ((lo & 0x0000FF00) >> 8) / 2;
uint32_t v3 = (lo & 0x000000FF) / 2;
// This is actually triangle 2; vert 1,2,3.
uint32_t v4 = ((hi & 0x00FF0000) >> 16) / 2;
uint32_t v5 = ((hi & 0x0000FF00) >> 8) / 2;
uint32_t v6 = (hi & 0x000000FF) / 2;
FVector p1 = FVector(vtx[v1].v.ob[0], vtx[v1].v.ob[1], vtx[v1].v.ob[2]);
FVector p2 = FVector(vtx[v2].v.ob[0], vtx[v2].v.ob[1], vtx[v2].v.ob[2]);
FVector p3 = FVector(vtx[v3].v.ob[0], vtx[v3].v.ob[1], vtx[v3].v.ob[2]);
FVector p4 = FVector(vtx[v4].v.ob[0], vtx[v4].v.ob[1], vtx[v4].v.ob[2]);
FVector p5 = FVector(vtx[v5].v.ob[0], vtx[v5].v.ob[1], vtx[v5].v.ob[2]);
FVector p6 = FVector(vtx[v6].v.ob[0], vtx[v6].v.ob[1], vtx[v6].v.ob[2]);
std::visit([p1, p2, p3, p4, p5, p6](auto* obj) {
if (obj) {
obj->Triangles.push_back({p1, p2, p3});
obj->Triangles.push_back({p4, p5, p6});
}
}, object);
break;
}
case G_QUAD: {
if (vtx == NULL) {
ptr++;
continue;
}
uint32_t v1 = ((hi & 0x00FF0000) >> 16) / 2;
uint32_t v2 = ((hi & 0x0000FF00) >> 8) / 2;
uint32_t v3 = (hi & 0x000000FF) / 2;
uint32_t v4 = ((hi & 0xFF000000) >> 24) / 2;
FVector p1 = FVector(vtx[v1].v.ob[0], vtx[v1].v.ob[1], vtx[v1].v.ob[2]);
FVector p2 = FVector(vtx[v2].v.ob[0], vtx[v2].v.ob[1], vtx[v2].v.ob[2]);
FVector p3 = FVector(vtx[v3].v.ob[0], vtx[v3].v.ob[1], vtx[v3].v.ob[2]);
FVector p4 = FVector(vtx[v4].v.ob[0], vtx[v4].v.ob[1], vtx[v4].v.ob[2]);
std::visit([p1, p2, p3, p4](auto* obj) {
if (obj) {
obj->Triangles.push_back({p1, p2, p3});
obj->Triangles.push_back({p1, p3, p4});
}
}, object);
break;
}
case G_ENDDL:
run = false;
break;
case G_MARKER:
ptr++;
break;
}
ptr++;
}
}
std::unordered_map<GameObject*, std::vector<Vtx>> gDebugObjVtxCache;
// Render a collision model
void DebugCollision(GameObject* obj, FVector pos, IRotator rot, FVector scale, const std::vector<Triangle>& triangles) {
if (obj == NULL || triangles.empty()) {
return;
}
gSPTexture(gDisplayListHead++, 0xFFFF, 0xFFFF, 0, G_TX_RENDERTILE, G_OFF);
auto& vtxBuffer = gDebugObjVtxCache[obj];
if (vtxBuffer.empty()) {
for (const auto& tri : triangles) {
vtxBuffer.push_back({(s16)tri.v0.x, (s16)tri.v0.y, (s16)tri.v0.z, 0, {0, 0}, {255, 255, 255, 255}});
vtxBuffer.push_back({(s16)tri.v1.x, (s16)tri.v1.y, (s16)tri.v1.z, 0, {0, 0}, {255, 255, 255, 255}});
vtxBuffer.push_back({(s16)tri.v2.x, (s16)tri.v2.y, (s16)tri.v2.z, 0, {0, 0}, {255, 255, 255, 255}});
}
}
// Setup matrix and render state
Mat4 mtx;
ApplyMatrixTransformations(mtx, pos, rot, scale);
Editor_AddMatrix(mtx, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
gSPSetGeometryMode(gDisplayListHead++, G_FOG);
gDPPipeSync(gDisplayListHead++);
gDPSetCombineMode(gDisplayListHead++, G_CC_PRIMITIVE, G_CC_PRIMITIVE);
gSPTexture(gDisplayListHead++, 0, 0, 0, G_TX_RENDERTILE, G_OFF);
gDPSetRenderMode(gDisplayListHead++, G_RM_FOG_SHADE_A, G_RM_AA_ZB_OPA_SURF2);
uint32_t hash = (uint32_t)((uintptr_t)obj ^ ((uintptr_t)obj >> 16));
u8 r = (hash >> 16) & 0xFF;
u8 g = (hash >> 8) & 0xFF;
u8 b = hash & 0xFF;
gDPSetPrimColor(gDisplayListHead++, 0, 0, r, g, b, 255);
// Render triangles in batches of 3
for (size_t i = 0; i + 2 < vtxBuffer.size(); i += 3) {
gSPVertex(gDisplayListHead++, (uintptr_t)&vtxBuffer[i], 3, 0);
gSP1Triangle(gDisplayListHead++, 0, 1, 2, 0);
}
gSPSetGeometryMode(gDisplayListHead++, G_CULL_BACK | G_ZBUFFER);
}
}
|
