Added engine

2024-08-07 05:01:14 +00:00 · 2024-08-07 05:01:14 +00:00 · c737011314
commit c737011314
78 changed files with 26595 additions and 0 deletions
--- a/src/geno/engine/GenoLoop.cpp
+++ b/src/geno/engine/GenoLoop.cpp
@ -0,0 +1,133 @@
+/*******************************************************************************
+ *
+ * Copyright (c) 2018 Gnarly Narwhal
+ *
+ * -----------------------------------------------------------------------------
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files(the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ *******************************************************************************/
+
+#include "../thread/GenoTime.h"
+
+#include "GenoLoop.h"
+
+GenoLoop::GenoLoop(const GenoLoopCreateInfo & info) :
+	sanicLoop(false),
+	callbackCount(1 + info.numSubLoops),
+	looping(false),
+	deltas(new double[callbackCount]),
+	deltaScales(new double[callbackCount]),
+	fps(new uint32[callbackCount]),
+	millisPerFrames(new double[callbackCount]),
+	callbacks(new GenoLoopCallback[callbackCount]) {
+
+	fps[0] = 0;
+	deltas[0] = 0;
+	deltaScales[0] = info.deltaScale;
+	if (info.targetFps != 0)
+		millisPerFrames[0] = 1000 / info.targetFps;
+	else {
+		sanicLoop = true;
+		millisPerFrames[0] = 0;
+	}
+	callbacks[0] = info.callback;
+
+	for (uint32 i = 1; i < callbackCount; ++i) {
+		fps[i] = 0;
+		deltas[i] = 0;
+		deltaScales[i] = info.subLoops[i - 1].deltaScale;
+		if (info.subLoops[i - 1].targetFps != 0)
+			millisPerFrames[i] = 1000 / info.subLoops[i - 1].targetFps;
+		else
+			millisPerFrames[i] = 0;
+		callbacks[i] = info.subLoops[i - 1].callback;
+	}
+}
+
+void GenoLoop::start() {
+	uint32 * frames = new uint32[callbackCount];
+	double * pastTimes = new double[callbackCount + 1];
+	double * truePastTimes = new double[callbackCount + 1];
+	double curTime = 0;
+
+	for (uint32 i = 0; i < callbackCount; ++i) {
+		frames[i] = 0;
+		pastTimes[i] = GenoTime::getTime(milliseconds);
+	}
+	pastTimes[callbackCount] = GenoTime::getTime(milliseconds);
+
+	looping = true;
+	while (looping) {
+		curTime = GenoTime::getTime(milliseconds);
+		if (curTime - pastTimes[0] > 1000) {
+			for (uint32 i = 0; i < callbackCount; ++i) {
+				fps[i] = frames[i];
+				frames[i] = 0;
+			}
+			pastTimes[0] += 1000;
+		}
+		for (uint32 i = 0; i < callbackCount; ++i) {
+			if (curTime - pastTimes[i + 1] >= millisPerFrames[i]) {
+				callbacks[i]();
+				deltas[i] = (curTime - truePastTimes[i + 1]) * deltaScales[i];
+				pastTimes[i + 1] += millisPerFrames[i];
+				truePastTimes[i + 1] = curTime;
+				++frames[i];
+			}
+		}
+		if (!sanicLoop)
+			GenoTime::sleepUntil(pastTimes[1] + millisPerFrames[0]);
+	}
+	
+	delete [] truePastTimes;
+	delete [] pastTimes;
+	delete [] frames;
+}
+
+void GenoLoop::stop() {
+	looping = false;
+}
+
+double GenoLoop::getDelta(uint32 loopIndex) {
+	return deltas[loopIndex];
+}
+
+uint32 GenoLoop::getFPS(uint32 loopIndex) {
+	return fps[loopIndex];
+}
+
+void GenoLoop::setFPS(double fps, uint32 loopIndex) {
+	millisPerFrames[loopIndex] = 1000 / fps;
+}
+
+void GenoLoop::setDeltaScale(double deltaScale, uint32 loopIndex) {
+	deltaScales[loopIndex] = deltaScale;
+}
+
+void GenoLoop::setCallback(GenoLoopCallback callback, uint32 loopIndex) {
+	callbacks[loopIndex] = callback;
+}
+
+GenoLoop::~GenoLoop() {
+	delete [] deltas;
+	delete [] deltaScales;
+	delete [] millisPerFrames;
+	delete [] callbacks;
+}