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Adding splashpack

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This commit is contained in:
jracek
2025-03-22 08:43:24 +01:00
parent 0d46881d7f
commit 29cbd54254
9 changed files with 87 additions and 50 deletions
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3
Makefile
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@@ -3,6 +3,7 @@ TYPE = ps-exe
SRCS = \
src/main.cpp \
src/renderer.cpp
src/renderer.cpp \
src/splashpack.cpp
include third_party/nugget/psyqo/psyqo.mk

10
src/gameobject.hh
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@@ -9,11 +9,11 @@ namespace psxsplash {
class GameObject final {
public:
psyqo::Vec3 position;
psyqo::Matrix33 rotation;
psyqo::PrimPieces::TPageAttr texture;
uint16_t polyCount;
union {
psyqo::Vec3 position; // 12 bytes
psyqo::Matrix33 rotation; // 36 bytes
psyqo::PrimPieces::TPageAttr texture; // 2 bytes
uint16_t polyCount; // 2 bytes
union { // 4 bytes
Tri *polygons;
uint32_t polygonsOffset;
};

10
src/main.cpp
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@@ -8,6 +8,8 @@
#include "psyqo/scene.hh"
#include "renderer.hh"
#include "output.h"
#include "splashpack.hh"
namespace {
@@ -22,7 +24,8 @@ class PSXSplash final : public psyqo::Application {
class MainScene final : public psyqo::Scene {
void frame() override;
eastl::array<psxsplash::GameObject> objects;
void start(StartReason reason) override;
eastl::vector<psxsplash::GameObject*> objects;
};
PSXSplash psxSplash;
@@ -45,6 +48,11 @@ void PSXSplash::createScene() {
pushScene(&mainScene);
}
void MainScene::start(StartReason reason) {
objects = psxsplash::LoadSplashpack(bin2c_output_bin);
}
void MainScene::frame() { psxsplash::Renderer::getInstance().render(objects); }
int main() { return psxSplash.run(); }

7
src/mesh.hh
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@@ -1,9 +1,7 @@
#pragma once
#include "EASTL/array.h"
#include "psyqo/gte-registers.hh"
#include "psyqo/primitives/common.hh"
#include "texture.hh"
namespace psxsplash {
@@ -16,9 +14,4 @@ class Tri final {
psyqo::Color colorA, colorB, colorC;
};
class Mesh final {
public:
Texture m_texture;
eastl::array<Tri> m_polygons;
};
} // namespace psxsplash

11
src/output.h Normal file
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File diff suppressed because one or more lines are too long

63
src/renderer.cpp
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@@ -1,12 +1,21 @@
#include "renderer.hh"
#include "EASTL/vector.h"
#include "psyqo/fixed-point.hh"
#include "psyqo/gte-kernels.hh"
#include "psyqo/gte-registers.hh"
#include "psyqo/primitives/triangles.hh"
#include "psyqo/soft-math.hh"
#include "psyqo/trigonometry.hh"
using namespace psyqo::fixed_point_literals;
using namespace psyqo::trig_literals;
psxsplash::Renderer *psxsplash::Renderer::instance = nullptr;
void psxsplash::Renderer::init(psyqo::GPU &gpuInstance) {
psyqo::Kernel::assert(instance == nullptr, "A second intialization of Renderer was tried");
psyqo::Kernel::assert(instance == nullptr,
"A second intialization of Renderer was tried");
psyqo::GTE::clear<psyqo::GTE::Register::TRX, psyqo::GTE::Unsafe>();
psyqo::GTE::clear<psyqo::GTE::Register::TRY, psyqo::GTE::Unsafe>();
@@ -29,9 +38,7 @@ void psxsplash::Renderer::init(psyqo::GPU &gpuInstance) {
}
}
void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
void psxsplash::Renderer::render(eastl::vector<GameObject *> &objects) {
uint8_t parity = m_gpu.getParity();
auto &ot = m_ots[parity];
@@ -47,19 +54,21 @@ void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
for (auto &obj : objects) {
psyqo::GTE::write<psyqo::GTE::Register::TRX, psyqo::GTE::Unsafe>(
obj.position.x.raw());
/*psyqo::GTE::write<psyqo::GTE::Register::TRX, psyqo::GTE::Unsafe>(
obj->position.x.raw());
psyqo::GTE::write<psyqo::GTE::Register::TRY, psyqo::GTE::Unsafe>(
obj.position.y.raw());
psyqo::GTE::write<psyqo::GTE::Register::TRZ, psyqo::GTE::Unsafe>(
obj.position.z.raw());
obj->position.y.raw());
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::Rotation>(
obj.rotation);
obj->rotation);*/
for (int i = 0; i < obj.polyCount; i++) {
psyqo::GTE::write<psyqo::GTE::Register::TRZ, psyqo::GTE::Unsafe>(1024);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::Rotation>(
obj->rotation);
for (int i = 0; i < obj->polyCount; i++) {
Tri& tri = obj.polygons[i];
Tri &tri = obj->polygons[i];
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V0>(tri.v0);
psyqo::GTE::writeUnsafe<psyqo::GTE::PseudoRegister::V1>(tri.v1);
@@ -71,22 +80,22 @@ void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
int32_t mac0 = 0;
psyqo::GTE::read<psyqo::GTE::Register::MAC0>(
reinterpret_cast<uint32_t *>(&mac0));
if (mac0 <= 0)
continue;
// if (mac0 <= 0)
// continue;
psyqo::GTE::Kernels::avsz4();
psyqo::GTE::Kernels::avsz3();
int32_t zIndex = 0;
psyqo::GTE::read<psyqo::GTE::Register::OTZ>(
reinterpret_cast<uint32_t *>(&zIndex));
if (zIndex < 0 || zIndex >= ORDERING_TABLE_SIZE)
continue;
// if (zIndex < 0 || zIndex >= ORDERING_TABLE_SIZE)
// continue;
psyqo::GTE::read<psyqo::GTE::Register::SXY0>(&projected[1].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY1>(&projected[2].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY2>(&projected[3].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY0>(&projected[0].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY1>(&projected[1].packed);
psyqo::GTE::read<psyqo::GTE::Register::SXY2>(&projected[2].packed);
auto &prim = balloc.allocate<psyqo::Fragments::SimpleFragment<
psyqo::Prim::TexturedTriangle>>();
auto &prim =
balloc.allocateFragment<psyqo::Prim::TexturedTriangle>();
prim.primitive.pointA = projected[0];
prim.primitive.pointB = projected[1];
@@ -94,7 +103,11 @@ void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
prim.primitive.uvA = tri.uvA;
prim.primitive.uvB = tri.uvB;
prim.primitive.uvC = tri.uvC;
prim.primitive.tpage = obj.texture;
prim.primitive.tpage = obj->texture;
prim.primitive.tpage.setPageX(5);
prim.primitive.tpage.setPageY(0);
prim.primitive.setOpaque();
ot.insert(prim, zIndex);
}
@@ -103,7 +116,9 @@ void psxsplash::Renderer::render(eastl::array<GameObject> &objects) {
m_gpu.chain(ot);
}
void psxsplash::Renderer::vramUpload(const uint16_t * imageData, int16_t posX, int16_t posY, int16_t width, int16_t height) {
void psxsplash::Renderer::vramUpload(const uint16_t *imageData, int16_t posX,
int16_t posY, int16_t width,
int16_t height) {
psyqo::Rect uploadRect{.a = {.x = posX, .y = posY}, .b = {width, height}};
m_gpu.uploadToVRAM(imageData, uploadRect);
}

7
src/renderer.hh
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@@ -1,6 +1,6 @@
#pragma once
#include "EASTL/array.h"
#include "EASTL/vector.h"
#include "gameobject.hh"
#include "psyqo/bump-allocator.hh"
#include "psyqo/fragments.hh"
@@ -10,6 +10,7 @@
#include "psyqo/primitives/misc.hh"
#include "psyqo/trigonometry.hh"
#include "psyqo/kernel.hh"
#include "psyqo//fixed-point.hh"
#include <cstdint>
namespace psxsplash {
@@ -25,7 +26,7 @@ class Renderer final {
static void init(psyqo::GPU &gpuInstance);
void render(eastl::array<GameObject> &objects);
void render(eastl::vector<GameObject*> &objects);
void vramUpload(const uint16_t* imageData, int16_t posX, int16_t posY, int16_t width, int16_t height);
static Renderer& getInstance() {
@@ -36,6 +37,7 @@ class Renderer final {
private:
static Renderer* instance;
Renderer(psyqo::GPU &gpuInstance) : m_gpu(gpuInstance) {}
~Renderer() { }
@@ -47,6 +49,7 @@ class Renderer final {
psyqo::Color m_clearcolor = {.r = 63, .g = 63, .b = 63};
psyqo::BumpAllocator<BUMP_ALLOCATOR_SIZE> m_ballocs[2];
};

18
src/splashpack.cpp
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@@ -2,32 +2,38 @@
#include "gameobject.hh"
#include "mesh.hh"
#include "renderer.hh"
#include <cassert>
#include <cstdint>
#include <cstring>
namespace psxsplash {
eastl::vector<psxsplash::GameObject*> LoadSplashpack(uint8_t *data) {
assert(data != nullptr);
psyqo::Kernel::assert(data != nullptr, "Splashpack loading data pointer is null");
psxsplash::SPLASHPACKFileHeader *header =
reinterpret_cast<psxsplash::SPLASHPACKFileHeader *>(data);
assert(memcmp(header->magic, "SP", 10) == 0);
psyqo::Kernel::assert(memcmp(header->magic, "SP", 2) == 0, "Splashpack has incorrect magic");
eastl::vector<psxsplash::GameObject*> gameObjects;
gameObjects.reserve(header->gameObjectCount);
uint8_t* curentPointer = data += sizeof(psxsplash::SPLASHPACKFileHeader);
uint8_t* curentPointer = data + sizeof(psxsplash::SPLASHPACKFileHeader);
for(uint16_t i = 0; i < header->gameObjectCount; i++) {
psxsplash::GameObject* go = reinterpret_cast<psxsplash::GameObject*>(curentPointer);
go->polygons = reinterpret_cast<psxsplash::Tri*>(data += go->polygonsOffset);
go->polygons = reinterpret_cast<psxsplash::Tri*>(data + go->polygonsOffset);
gameObjects.push_back(go);
curentPointer += sizeof(psxsplash::GameObject);
}
for(uint16_t i = 0; i < header->textureAtlasCount; i++) {
psxsplash::SPLASHPACKTextureAtlas* atlas = reinterpret_cast<psxsplash::SPLASHPACKTextureAtlas *>(curentPointer);
psxsplash::Renderer::getInstance().vramUpload((uint16_t*) (data += atlas->polygonsOffset), atlas->x, atlas->y, atlas->width, atlas->height);
uint8_t* offsetData = data + atlas->polygonsOffset; // Ensure correct byte offset
uint16_t* castedData = reinterpret_cast<uint16_t*>(offsetData); // Safe cast
psxsplash::Renderer::getInstance().vramUpload(castedData, atlas->x, atlas->y, atlas->width, atlas->height);
}
return gameObjects;
}
}

2
src/splashpack.hh
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@@ -18,6 +18,6 @@ struct SPLASHPACKTextureAtlas {
uint16_t x,y;
};
eastl::vector<GameObject> LoadSplashpack(const uint8_t *data);
eastl::vector<GameObject*> LoadSplashpack(uint8_t *data);
}; // namespace psxsplash