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VOXELFORMAT: save vxm, version 7

master
Martin Gerhardy 2022-05-21 14:08:14 +02:00
parent 13a056a156
commit 7dc863af57
1 changed files with 42 additions and 63 deletions
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105
src/modules/voxelformat/VXMFormat.cpp
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@ -70,70 +70,8 @@ bool VXMFormat::saveGroups(const SceneGraph& sceneGraph, const core::String &fil
return false;
}
core::ScopedPtr<voxel::RawVolume> scopedPtr(merged.first);
wrapBool(stream.writeUInt32(FourCC('V','X','M','5')));
wrapBool(stream.writeUInt32(FourCC('V','X','M','7')));
const glm::vec3 pivot(0.5f);
wrapBool(stream.writeFloat(pivot.x));
wrapBool(stream.writeFloat(pivot.y));
wrapBool(stream.writeFloat(pivot.z));
wrapBool(stream.writeUInt32(0)); // texture dim x
wrapBool(stream.writeUInt32(0)); // texture dim y
static const char *texNames[] = {"Diffuse", "Emissive"};
const int texAmount = 0; // lengthof(texNames);
wrapBool(stream.writeUInt32(texAmount)); // texamount
for (int i = 0; i < texAmount; ++i) {
stream.writeString(texNames[i], true);
int rleCount = 0;
core::RGBA currentColor = 0;
const int width = 0;
const int height = 0;
core::RGBA *rgb = nullptr; // TODO:
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x) {
core::RGBA color = rgb[x + y * width];
if (rleCount == 0) {
currentColor = color;
++rleCount;
} else if (rleCount == 255 || currentColor != color) {
stream.writeUInt8(rleCount);
stream.writeUInt8(color.r);
stream.writeUInt8(color.g);
stream.writeUInt8(color.b);
rleCount = 1;
currentColor = color;
} else {
++rleCount;
}
}
}
if (rleCount > 0) {
stream.writeUInt8(rleCount);
stream.writeUInt8(currentColor.r);
stream.writeUInt8(currentColor.g);
stream.writeUInt8(currentColor.b);
}
stream.writeUInt8(0);
}
for (int i = 0; i < 6; ++i) {
const int quadAmount = 0;
wrapBool(stream.writeUInt32(quadAmount));
#if 0
for (int i = 0; i < quadAmount; ++i) {
for (int j = 0; j < 4; ++j) {
stream.writeFloat(vertices[j].x);
stream.writeFloat(vertices[j].y);
stream.writeFloat(vertices[j].z);
stream.writeInt32(u[j]);
stream.writeInt32(v[j]);
}
}
#endif
}
const voxel::Palette &palette = sceneGraph.firstPalette();
core::DynamicArray<glm::vec4> materialColors;
palette.toVec4f(materialColors);
const voxel::Region& region = merged.first->region();
voxel::RawVolume::Sampler sampler(merged.first);
@ -147,17 +85,58 @@ bool VXMFormat::saveGroups(const SceneGraph& sceneGraph, const core::String &fil
wrapBool(stream.writeUInt32(height))
wrapBool(stream.writeUInt32(depth))
wrapBool(stream.writeFloat(pivot.x));
wrapBool(stream.writeFloat(pivot.y));
wrapBool(stream.writeFloat(pivot.z));
int lodLevels = 1;
wrapBool(stream.writeInt32(lodLevels));
for (int lod = 0; lod < lodLevels; ++lod) {
wrapBool(stream.writeUInt32(0)); // texture dim x
wrapBool(stream.writeUInt32(0)); // texture dim y
static const char *texNames[] = {"Diffuse", "Emissive"};
const int texAmount = 0; // lengthof(texNames);
wrapBool(stream.writeUInt32(texAmount)); // texamount
for (int i = 0; i < texAmount; ++i) {
stream.writeUInt8(0); // zipped size for the rgba texture
// followed by the compressed data
}
for (int i = 0; i < 6; ++i) {
const int quadAmount = 0;
wrapBool(stream.writeUInt32(quadAmount));
#if 0
for (int i = 0; i < quadAmount; ++i) {
for (int j = 0; j < 4; ++j) {
stream.writeFloat(vertices[j].x);
stream.writeFloat(vertices[j].y);
stream.writeFloat(vertices[j].z);
stream.writeInt32(u[j]);
stream.writeInt32(v[j]);
}
}
#endif
}
}
const voxel::Palette &palette = sceneGraph.firstPalette();
core::DynamicArray<glm::vec4> materialColors;
palette.toVec4f(materialColors);
// we need to find a replacement for this color - the empty voxel is the last palette entry
// we are using the first palette entry (like magicavoxel does, too)
const glm::vec4 emptyColor = materialColors[EMPTY_PALETTE];
materialColors.pop();
const uint8_t emptyColorReplacement = core::Color::getClosestMatch(emptyColor, materialColors);
Log::debug("found replacement for %s: %s", core::Color::print(palette.colors[EMPTY_PALETTE]).c_str(),
core::Color::print(palette.colors[emptyColorReplacement]).c_str());
int numColors = palette.colorCount;
if (numColors > 255) {
numColors = 255;
}
if (numColors <= 0) {
Log::error("No palette entries found - can't save");
return false;
}
wrapBool(stream.writeUInt8(materialColors.size()))