jracek/secretpsxsplash
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FPS cam movement, dynamic subdivision, Navmeshes

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jracek
2025-04-07 13:21:35 +02:00
parent 651cbcdf55
commit bc0795ed29
14 changed files with 518 additions and 199 deletions
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47
src/splashpack.cpp
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@@ -10,13 +10,37 @@
namespace psxsplash {
eastl::vector<psxsplash::GameObject *> LoadSplashpack(uint8_t *data) {
struct SPLASHPACKFileHeader {
char magic[2];
uint16_t version;
uint16_t gameObjectCount;
uint16_t navmeshCount;
uint16_t textureAtlasCount;
uint16_t clutCount;
uint16_t pad[2];
};
struct SPLASHPACKTextureAtlas {
uint32_t polygonsOffset;
uint16_t width, height;
uint16_t x, y;
};
struct SPLASHPACKClut {
uint32_t clutOffset;
uint16_t clutPackingX;
uint16_t clutPackingY;
uint16_t length;
uint16_t pad;
};
void SplashPackLoader::LoadSplashpack(uint8_t *data) {
psyqo::Kernel::assert(data != nullptr, "Splashpack loading data pointer is null");
psxsplash::SPLASHPACKFileHeader *header = reinterpret_cast<psxsplash::SPLASHPACKFileHeader *>(data);
psyqo::Kernel::assert(memcmp(header->magic, "SP", 2) == 0, "Splashpack has incorrect magic");
eastl::vector<psxsplash::GameObject *> gameObjects;
gameObjects.reserve(header->gameObjectCount);
navmeshes.reserve(header->navmeshCount);
uint8_t *curentPointer = data + sizeof(psxsplash::SPLASHPACKFileHeader);
@@ -27,23 +51,28 @@ eastl::vector<psxsplash::GameObject *> LoadSplashpack(uint8_t *data) {
curentPointer += sizeof(psxsplash::GameObject);
}
for (uint16_t i = 0; i < header->navmeshCount; i++) {
psxsplash::Navmesh *navmesh = reinterpret_cast<psxsplash::Navmesh *>(curentPointer);
navmesh->polygons = reinterpret_cast<psxsplash::NavMeshTri *>(data + navmesh->polygonsOffset);
navmeshes.push_back(navmesh);
curentPointer += sizeof(psxsplash::Navmesh);
}
for (uint16_t i = 0; i < header->textureAtlasCount; i++) {
psxsplash::SPLASHPACKTextureAtlas *atlas = reinterpret_cast<psxsplash::SPLASHPACKTextureAtlas *>(curentPointer);
uint8_t *offsetData = data + atlas->polygonsOffset;
uint8_t *offsetData = data + atlas->polygonsOffset;
uint16_t *castedData = reinterpret_cast<uint16_t *>(offsetData);
psxsplash::Renderer::getInstance().vramUpload(castedData, atlas->x, atlas->y, atlas->width, atlas->height);
psxsplash::Renderer::GetInstance().VramUpload(castedData, atlas->x, atlas->y, atlas->width, atlas->height);
curentPointer += sizeof(psxsplash::SPLASHPACKTextureAtlas);
}
for (uint16_t i = 0; i < header->clutCount; i++) {
psxsplash::SPLASHPACKClut *clut = reinterpret_cast<psxsplash::SPLASHPACKClut *>(curentPointer);
uint8_t* clutOffset = data + clut->clutOffset;
psxsplash::Renderer::getInstance().vramUpload((uint16_t*) clutOffset, clut->clutPackingX * 16, clut->clutPackingY, clut->length, 1);
uint8_t *clutOffset = data + clut->clutOffset;
psxsplash::Renderer::GetInstance().VramUpload((uint16_t *)clutOffset, clut->clutPackingX * 16,
clut->clutPackingY, clut->length, 1);
curentPointer += sizeof(psxsplash::SPLASHPACKClut);
}
return gameObjects;
}
} // namespace psxsplash