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Sonic Dreamcaster
2025-05-15 23:30:52 -03:00
parent 4b89960495
commit bb55545f20
4 changed files with 59 additions and 1 deletions
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src/port/Engine.cpp
+53
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@@ -24,6 +24,7 @@
#include "window/gui/resource/FontFactory.h"
#include "SpaghettiGui.h"
#include "port/interpolation/FrameInterpolation.h"
#include <graphic/Fast3D/Fast3dWindow.h>
#include <graphic/Fast3D/interpreter.h>
//#include <Fast3D/gfx_rendering_api.h>
@@ -225,6 +226,28 @@ bool GameEngine::GenAssetFile() {
return extractor->GenerateOTR();
}
uint32_t GameEngine::GetInterpolationFPS() {
if (CVarGetInteger("gMatchRefreshRate", 0)) {
return Ship::Context::GetInstance()->GetWindow()->GetCurrentRefreshRate();
} else if (CVarGetInteger("gVsyncEnabled", 1) ||
!Ship::Context::GetInstance()->GetWindow()->CanDisableVerticalSync()) {
return std::min<uint32_t>(Ship::Context::GetInstance()->GetWindow()->GetCurrentRefreshRate(),
CVarGetInteger("gInterpolationFPS", 60));
}
return CVarGetInteger("gInterpolationFPS", 60);
}
uint32_t GameEngine::GetInterpolationFrameCount()
{
return ceil((float)GetInterpolationFPS() / (60.0f / 2 /*gVIsPerFrame*/));
}
extern "C" uint32_t GameEngine_GetInterpolationFrameCount() {
return GameEngine::GetInterpolationFrameCount();
}
void GameEngine::ShowMessage(const char* title, const char* message, SDL_MessageBoxFlags type) {
#if defined(__SWITCH__)
SPDLOG_ERROR(message);
@@ -321,6 +344,36 @@ void GameEngine::RunCommands(Gfx* Commands) {
}
void GameEngine::ProcessGfxCommands(Gfx* commands) {
std::vector<std::unordered_map<Mtx*, MtxF>> mtx_replacements;
int target_fps = GameEngine::Instance->GetInterpolationFPS();
static int last_fps;
static int last_update_rate;
static int time;
int fps = target_fps;
int original_fps = 60 / 2 /*gVIsPerFrame*/;
if (target_fps == 20 || original_fps > target_fps) {
fps = original_fps;
}
if (last_fps != fps || last_update_rate != 2 /*gVIsPerFrame*/) {
time = 0;
}
// time_base = fps * original_fps (one second)
int next_original_frame = fps;
while (time + original_fps <= next_original_frame) {
time += original_fps;
if (time != next_original_frame) {
mtx_replacements.push_back(FrameInterpolation_Interpolate((float) time / next_original_frame));
} else {
mtx_replacements.emplace_back();
}
}
time -= fps;
auto wnd = std::dynamic_pointer_cast<Fast::Fast3dWindow>(Ship::Context::GetInstance()->GetWindow());
if (wnd != nullptr) {
wnd->SetTargetFps(CVarGetInteger("gInterpolationFPS", 30));