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Decompile fn_08007 (AnimatedModelNode::Shade)

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Batch #15344 by Yommy: 0 byte-identical, 1 confirmed by peer review.

- fn_08007 AnimatedModelNode::Shade: logic confirmed by peer review

Peer-reviewed-by: ragnarok-clanker, eAthena, alisonrag
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 2026-11-09 21:31:57 +00:00
commit 3f31288fe8
1 changed files with 27 additions and 19 deletions
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46
Source/Resource/Models/ModelResource.cpp
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@ -827,15 +827,15 @@ void AnimatedModelNode::Shade(const float* matrix, int frame, const float* light
// GLOBAL: gl_24736
static ShadeVector vertexNormals[30000];
std::list<int> groups[32];
auto* colors = reinterpret_cast<std::array<std::uint32_t, 3>*>(this->faceNormals);
auto faceColors = [this](int index) { return reinterpret_cast<std::uint32_t*>(this->faceNormals[index].data()); };
switch (shadeType) {
case 0: {
for (int index = 0; index < this->faceCount; ++index) {
const std::uint32_t color = (alpha << 24) + 0xFFFFFF;
colors[index][0] = color;
colors[index][1] = color;
colors[index][2] = color;
faceColors(index)[0] = color;
faceColors(index)[1] = color;
faceColors(index)[2] = color;
}
break;
}
@ -859,15 +859,19 @@ void AnimatedModelNode::Shade(const float* matrix, int frame, const float* light
const float ny = bz * ax - bx * az;
const float nz = bx * ay - by * ax;
const float inverse = 1.0f / SquareRoot(ny * ny + nx * nx + nz * nz);
const float intensity = std::max(0.0f, nx * inverse * light[0] + ny * inverse * light[1] + nz * inverse * light[2]);
const float red = std::min(intensity * diffuse[0] + ambient[0], 1.0f);
const float green = std::min(intensity * diffuse[1] + ambient[1], 1.0f);
const float blue = std::min(intensity * diffuse[2] + ambient[2], 1.0f);
const float dot = nx * inverse * light[0] + ny * inverse * light[1] + nz * inverse * light[2];
const float intensity = 0.0f > dot ? 0.0f : dot;
const float redLevel = intensity * diffuse[0] + ambient[0];
const float red = 1.0f < redLevel ? 1.0f : redLevel;
const float greenLevel = intensity * diffuse[1] + ambient[1];
const float green = 1.0f < greenLevel ? 1.0f : greenLevel;
const float blueLevel = intensity * diffuse[2] + ambient[2];
const float blue = 1.0f < blueLevel ? 1.0f : blueLevel;
for (int corner = 0; corner < 3; ++corner) {
const int source = this->sharedTextureVertices ? 0 : frame;
const int source = this->sharedTextureVertices == 0 ? frame : 0;
const float scale = this->frames[source].textureVertices[face.textureVertices[corner]].shaded ? 128.0f : 255.0f;
colors[index][corner] = ((((alpha << 8) | static_cast<int>(scale * red)) << 8 | static_cast<int>(scale * green)) << 8) | static_cast<int>(scale * blue);
faceColors(index)[corner] = ((((alpha << 8) | static_cast<int>(scale * red)) << 8 | static_cast<int>(scale * green)) << 8) | static_cast<int>(scale * blue);
}
}
break;
@ -932,13 +936,17 @@ void AnimatedModelNode::Shade(const float* matrix, int frame, const float* light
for (int corner = 0; corner < 3; ++corner) {
const ShadeVector& normal = vertexNormals[face.vertices[corner]];
const int source = this->sharedTextureVertices ? 0 : frame;
const float intensity = std::max(0.0f, normal.y * light[1] + light[0] * normal.x + normal.z * light[2]);
const float red = std::min(intensity * diffuse[0] + ambient[0], 1.0f);
const float green = std::min(intensity * diffuse[1] + ambient[1], 1.0f);
const float blue = std::min(intensity * diffuse[2] + ambient[2], 1.0f);
const int source = this->sharedTextureVertices == 0 ? frame : 0;
const float dot = normal.y * light[1] + light[0] * normal.x + normal.z * light[2];
const float intensity = 0.0f > dot ? 0.0f : dot;
const float redLevel = intensity * diffuse[0] + ambient[0];
const float red = 1.0f < redLevel ? 1.0f : redLevel;
const float greenLevel = intensity * diffuse[1] + ambient[1];
const float green = 1.0f < greenLevel ? 1.0f : greenLevel;
const float blueLevel = intensity * diffuse[2] + ambient[2];
const float blue = 1.0f < blueLevel ? 1.0f : blueLevel;
const float scale = this->frames[source].textureVertices[face.textureVertices[corner]].shaded ? 128.0f : 255.0f;
colors[index][corner] = ((((alpha << 8) | static_cast<int>(scale * red)) << 8 | static_cast<int>(green * scale)) << 8) | static_cast<int>(blue * scale);
faceColors(index)[corner] = ((((alpha << 8) | static_cast<int>(scale * red)) << 8 | static_cast<int>(green * scale)) << 8) | static_cast<int>(blue * scale);
}
}
}
@ -947,9 +955,9 @@ void AnimatedModelNode::Shade(const float* matrix, int frame, const float* light
default: {
for (int index = 0; index < this->faceCount; ++index) {
const std::uint32_t color = (alpha << 24) + 0xFFFFFF;
colors[index][0] = color;
colors[index][1] = color;
colors[index][2] = color;
faceColors(index)[0] = color;
faceColors(index)[1] = color;
faceColors(index)[2] = color;
}
ShowErrorDialog("Invalid Shade Type", 0);