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Decompile 3 functions in Source/Resource/Models/ModelResourceV2.cpp, Source/Resource/Models/ModelResource.h, ...

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Batch #14636 by secret: 0 byte-identical, 3 confirmed by peer review.

- fn_08020 C3dModelResV2::ReadVersion1: logic confirmed by peer review
- fn_08021 C3dModelResV2::ReadVersion2: logic confirmed by peer review
- fn_08022 C3dModelResV2::ReadVersion3: logic confirmed by peer review

Peer-reviewed-by: Tanke, Toshiro, codeplay
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-11-07 17:22:36 +00:00
commit adbe1db7e1
4 changed files with 45 additions and 73 deletions
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64
Source/Resource/Models/ModelResourceV2.cpp
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@ -10,25 +10,6 @@
#include <algorithm>
#include <cstring>
namespace {
// INLINED
void ReadKeys(CFile& input, std::vector<ModelRotationKey>& keys, bool scale) {
int count = 0;
input.Read(&count, 4);
for (int index = 0; index < count; ++index) {
ModelRotationKey key;
if (scale) {
key = {0, {0, 0, 0, 1}};
}
input.Read(&key, sizeof(key));
keys.push_back(key);
}
}
}
// OFFSET: 0x007555C0
// FUNCTION: fn_07984
C3dModelResV2::C3dModelResV2() : framesPerSecond(0.0f), animationLength(0) {
@ -175,10 +156,13 @@ void C3dModelResV2::ReadVersion1(CFile& input) {
/* 0014 */ std::uint32_t smoothing;
} record;
input.Read(&record, sizeof(record));
std::memcpy(target.vertices, record.vertices, sizeof(target.vertices));
std::memcpy(target.textureVertices, record.textureVertices, sizeof(target.textureVertices));
for (int corner = 0; corner < 3; ++corner) {
target.vertices[corner] = record.vertices[corner];
}
for (int corner = 0; corner < 3; ++corner) {
target.textureVertices[corner] = record.textureVertices[corner];
}
target.texture = record.texture;
target.unknown_000E = record.unknown_000E;
target.twoSided = record.twoSided;
if (target.smoothing.empty()) {
@ -188,9 +172,9 @@ void C3dModelResV2::ReadVersion1(CFile& input) {
std::sort(mesh.faces, mesh.faces + mesh.faceCount, [](const ModelFace& a, const ModelFace& b) { return a.texture < b.texture; });
mesh.CalculateNormals();
ReadKeys(input, node->scaleKeys, false);
ReadKeys(input, node->rotationKeys, true);
ReadKeys(input, node->positionKeys, false);
node->scaleKeys.Read(input);
node->rotationKeys.Read(input);
node->positionKeys.Read(input);
this->nodes.push_back(node);
this->meshes[node->name] = node->mesh.get();
}
@ -307,9 +291,9 @@ void C3dModelResV2::ReadVersion2(CFile& input) {
std::sort(mesh.faces, mesh.faces + mesh.faceCount, [](const ModelFace& a, const ModelFace& b) { return a.texture < b.texture; });
mesh.CalculateNormals();
ReadKeys(input, node->scaleKeys, false);
ReadKeys(input, node->rotationKeys, true);
ReadKeys(input, node->positionKeys, false);
node->scaleKeys.Read(input);
node->rotationKeys.Read(input);
node->positionKeys.Read(input);
this->nodes.push_back(node);
this->meshes[node->name] = node->mesh.get();
}
@ -416,31 +400,17 @@ void C3dModelResV2::ReadVersion3(CFile& input) {
std::sort(mesh.faces, mesh.faces + mesh.faceCount, [](const ModelFace& a, const ModelFace& b) { return a.texture < b.texture; });
mesh.CalculateNormals();
ReadKeys(input, node->scaleKeys, false);
ReadKeys(input, node->rotationKeys, true);
ReadKeys(input, node->positionKeys, false);
node->scaleKeys.Read(input);
node->rotationKeys.Read(input);
node->positionKeys.Read(input);
int textureAnimations = 0;
input.Read(&textureAnimations, 4);
for (int animation = 0; animation < textureAnimations; ++animation) {
int texture = 0;
input.Read(&texture, 4);
ModelTextureChannels channels;
int channelCount = 0;
input.Read(&channelCount, 4);
for (int channel = 0; channel < channelCount; ++channel) {
int id = 0;
int keyCount = 0;
input.Read(&id, 4);
input.Read(&keyCount, 4);
for (int key = 0; key < keyCount; ++key) {
ModelTextureKey value;
input.Read(&value, sizeof(value));
channels[id].push_back(value);
}
}
ModelTextureChannelMap channels;
channels.Read(input);
node->textureKeys[texture] = std::move(channels);
}