Merge pull request #365 from libretro/dev

v0.32.0

Author: RobLoach

CHANGELOG.md

@@ -4,6 +4,18 @@ All notable changes to [ChaiLove](https://github.com/RobLoach/ChaiLove) will be
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## 0.32.0 - 2019-03-10
+### Features
+- [BunnyMark](examples/bunnymark) to test performance
+
+### Chores
+- ChaiLove now requires content to run
+- Updated ChaiScript_Extras for more string methods
+- Updated PhysFS
+- Updated libretro-common
+- Updated random to fix a gcc 7.3+ error
+- Updated stb
+
 ## 0.31.0 - 2018-12-24
 ### Chores
 - Update to use the libretro audio callback

README.md

@@ -40,7 +40,7 @@ retroarch -L chailove_libretro.so FloppyBird.chailove
 
 ## API
 
-The [ChaiLove API](https://rawgit.com/libretro/libretro-chailove/docs/) is roughly inspired by the [LÖVE API](https://love2d.org/wiki/Main_Page). The following `main.chai` is a [simple Hello World example](examples/simple/main.chai):
+The [ChaiLove API](https://raw.githack.com/libretro/libretro-chailove/docs/index.html) is roughly inspired by the [LÖVE API](https://love2d.org/wiki/Main_Page). The following `main.chai` is a [simple Hello World example](examples/simple/main.chai):
 
 ``` lua
 global logo
@@ -66,7 +66,7 @@ To run it, execute the following:
 retroarch -L chailove_libretro.so main.chai
 ```
 
-See the [ChaiLove API](https://rawgit.com/libretro/libretro-chailove/docs/) for coverage of all the callbacks and methods in ChaiLove.
+See the [ChaiLove API](https://raw.githack.com/libretro/libretro-chailove/docs/index.html) for coverage of all the callbacks and methods in ChaiLove.
 
 ## Development
 
@@ -96,7 +96,7 @@ retroarch -L chailove_libretro.so test/main.chai
 
 ### Documentation
 
-See the [ChaiLove API documentation](https://rawgit.com/libretro/libretro-chailove/docs/). Build it through [Doxygen](http://www.stack.nl/~dimitri/doxygen/) by using:
+See the [ChaiLove API documentation](https://raw.githack.com/libretro/libretro-chailove/docs/index.html). Build it through [Doxygen](http://www.stack.nl/~dimitri/doxygen/) by using:
 
 ```
 make docs

docs/Doxyfile

@@ -23,7 +23,7 @@ PROJECT_NAME           = "ChaiLove API"
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = "0.31.0"
+PROJECT_NUMBER         = "0.32.0"
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.

examples/bunnymark/bunny.png

@@ -0,0 +1,120 @@
+// Copyright (c) 2018 KANO Computing Ltd.
+// Licensed under the GNU GPL v2
+//
+// Original by Iain Lobb
+// Inspired by PixieJS
+// Bunny Image by Amanda Lobb
+// https://github.com/rishavs/love2d-bunnymark
+// ChaiLove version by Rob Loach
+
+def conf(t) {
+    t.console = true
+    t.window.title = "Bunnymark Mark II ; a little better!"
+    t.window.width = 800
+    t.window.height = 600
+}
+
+def load() {
+    global bunnies = List()
+    global gravity = 0.98f
+
+    global maxX = love.graphics.getWidth( )
+    global minX = 0
+
+    global maxY = love.graphics.getHeight( )
+    global minY = 0
+
+    // optimise the bunny size for embedded devices
+    global baseLitterSize = 50
+    global litterSizeIncrement = 50
+    global litterSize = baseLitterSize
+
+    global stdOutText = ""
+
+    global bunnyImg = love.graphics.newImage("bunny.png")
+    procreate(0, 0)
+}
+
+def draw() {
+    love.graphics.print(to_string(bunnies.size()) + " Total Bunnies", 20, 10)
+    love.graphics.print(to_string(litterSize) + " bunnies in each Litter", 20, 20)
+
+    // print the current memory usage
+    // rounding down mem to three dig: math.floor(mem+0.5) / math.pow(10,dig)
+    //love.graphics.print(floor(collectgarbage("count") + 0.5)/pow(10,3) + " MB Mem Usage", 20, 30)
+    love.graphics.print("Current FPS: " + to_string(love.timer.getFPS()), 20, 40)
+    //love.graphics.print(string.format("Elapsed clock cycles: " + to_string(%.4f", (os.clock() - x) *1000), 20, 50)
+
+    for (bunny : bunnies) {
+        love.graphics.draw(bunnyImg, bunny[0], bunny[1])
+    }
+}
+
+def mousepressed(x, y, button) {
+    for (var i = 0; i < litterSize; ++i) {
+        procreate(x, y)
+    }
+}
+
+def joystickpressed(joystick, button) {
+    for (var i = 0; i < litterSize; ++i) {
+        procreate(love.graphics.getWidth() / 2.0f, love.graphics.getHeight() / 8.0f)
+    }
+}
+
+def update(dt) {
+    // Initialize variables once per cycle.
+    var tempBunnyPosX = 0.0f
+    var tempBunnyPosY = 0.0f
+    var tempBunnySpeedX = 0.0f
+    var tempBunnySpeedY = 0.0f
+
+    for (bunny : bunnies) {
+        // Retrieve the bunny values.
+        tempBunnyPosX = bunny[0]
+        tempBunnyPosY = bunny[1]
+        tempBunnySpeedX = bunny[2]
+        tempBunnySpeedY = bunny[3]
+
+        // Move the bunny.
+        tempBunnyPosX = tempBunnyPosX + tempBunnySpeedX;
+        tempBunnyPosY = tempBunnyPosY + tempBunnySpeedY;
+
+        // Adjust coordinates with world.
+        tempBunnySpeedY = tempBunnySpeedY + gravity;
+        if (tempBunnyPosX > maxX) {
+            tempBunnySpeedX = tempBunnySpeedX * -0.9f;
+            tempBunnyPosX = maxX;
+        } else if (tempBunnyPosX < minX) {
+            tempBunnySpeedX = tempBunnySpeedX * -0.9f;
+            tempBunnyPosX = minX;
+        }
+        if (tempBunnyPosY > maxY) {
+            tempBunnySpeedY = tempBunnySpeedY * -0.9f;
+            tempBunnyPosY = maxY;
+        } else if (tempBunnyPosY < minY) {
+            tempBunnySpeedY = tempBunnySpeedY * -0.9f;
+            tempBunnyPosY = minY;
+        }
+
+        // Update the bunny
+        bunny[0] = tempBunnyPosX
+        bunny[1] = tempBunnyPosY
+        bunny[2] = tempBunnySpeedX
+        bunny[3] = tempBunnySpeedY
+    }
+}
+
+//------------------------------------------------
+// Custom functions
+//------------------------------------------------
+
+def procreate(x,y) {
+    var bunnyPosX = x
+    var bunnyPosY = y
+    var bunnySpeedX = love.math.random(-5.0f, 5.0f)
+    var bunnySpeedY = love.math.random(-5.0f, 5.0f)
+    var bunny = [bunnyPosX, bunnyPosY, bunnySpeedX, bunnySpeedY]
+
+    bunnies.push_back_ref(bunny)
+}

examples/bunnymark/main.chai

@@ -103,71 +103,6 @@ bool ChaiLove::load(const std::string& file, const void* data) {
 	return true;
 }
 
-std::string ChaiLove::demo() {
-	// Provides a demo screen that's presented when the core is loaded without content.
-	std::string output = R"DEMO(
-		global defaultFont
-		global text = "ChaiLove - No Game"
-		global x = 50.0f
-		global y = 50.0f
-		global radius = 20.0f
-		global xSpeed = 35.0f
-		global ySpeed = 35.0f
-
-		def load() {
-			defaultFont = love.graphics.getFont()
-			x = love.graphics.getWidth() / 2.0f
-			y = love.graphics.getHeight() / 2.0f
-		}
-
-		def conf(t) {
-			t.window.width = 320
-			t.window.height = 240
-			t.console = true
-		}
-
-		def draw() {
-			love.graphics.setBackgroundColor(0, 138, 255)
-
-			// Draw a little circle.
-			love.graphics.setColor(230, 88, 160)
-			love.graphics.circle("fill", x, y, radius)
-			love.graphics.setColor(0, 0, 0)
-			love.graphics.circle("line", x, y, radius)
-
-			// Draw the text.
-			love.graphics.setColor(255, 255, 255)
-			love.graphics.print(text, 10, love.graphics.getHeight() / 2.0f - 100)
-			var ver = love.system.getVersionString()
-			love.graphics.print(ver, love.graphics.getWidth() - defaultFont.getWidth(ver), love.graphics.getHeight() - defaultFont.getHeight(ver) * 2.0f)
-
-			love.graphics.print("FPS: " + to_string(love.timer.getFPS()), 10, love.graphics.getHeight() - defaultFont.getHeight(ver) * 2.0f)
-		}
-
-		def update(dt) {
-			x = x + xSpeed * dt
-			y = y + ySpeed * dt
-			if (x + radius > love.graphics.getWidth()) {
-				x = love.graphics.getWidth() - radius
-				xSpeed = xSpeed * -1
-			}
-			if (x - radius < 0) {
-				x = radius
-				xSpeed = abs(xSpeed)
-			}
-			if (y + radius > love.graphics.getHeight()) {
-				y = love.graphics.getHeight() - radius
-				ySpeed = ySpeed * -1
-			}
-			if (y - radius < 0) {
-				y = radius
-				ySpeed = abs(ySpeed)
-			}
-		}
-	)DEMO";
-	return output;
-}
-
 void ChaiLove::update() {
 	// Update and poll all the events.
 	event.update();

src/ChaiLove.cpp

@@ -45,9 +45,9 @@
 #define SRC_CHAILOVE_H_
 
 #define CHAILOVE_VERSION_MAJOR 0
-#define CHAILOVE_VERSION_MINOR 31
+#define CHAILOVE_VERSION_MINOR 32
 #define CHAILOVE_VERSION_PATCH 0
-#define CHAILOVE_VERSION_STRING "0.31.0"
+#define CHAILOVE_VERSION_STRING "0.32.0"
 
 #include "SDL.h"
 #include "libretro.h"
@@ -99,7 +99,6 @@ class ChaiLove {
 	love::math math;
 	love::window window;
 	love::event event;
-	std::string demo();
 
 	~ChaiLove();
 	void quit(void);

src/ChaiLove.h

@@ -57,8 +57,8 @@ void retro_set_environment(retro_environment_t cb) {
 	// Set the environment callback.
 	ChaiLove::environ_cb = cb;
 
-	// The core supports having no game.
-	bool no_rom = true;
+	// The core requires content.
+	bool no_rom = false;
 	cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_rom);
 
 	// Set the Variables.
@@ -208,7 +208,7 @@ void retro_get_system_av_info(struct retro_system_av_info *info) {
 	info->geometry.base_width   = width;
 	info->geometry.base_height  = height;
 	info->geometry.max_width    = width;
-	info->geometry.max_height   = width;
+	info->geometry.max_height   = height;
 	info->geometry.aspect_ratio = static_cast<float>(width) / static_cast<float>(height);
 
 	info->timing.fps = 60.0;

src/libretro.cpp

@@ -115,9 +115,13 @@ script::script(const std::string& file) {
 	// ChaiScript Standard Library Additions
 	// This adds some basic type definitions to ChaiScript.
 	chai.add(bootstrap::standard_library::vector_type<std::vector<int>>("VectorInt"));
+	chai.add(bootstrap::standard_library::vector_type<std::vector<float>>("VectorFloat"));
 	chai.add(bootstrap::standard_library::vector_type<std::vector<std::string>>("StringVector"));
 	chai.add(bootstrap::standard_library::map_type<std::map<std::string, bool>>("StringBoolMap"));
+	chai.add(bootstrap::standard_library::map_type<std::map<std::string, int>>("StringIntMap"));
+	chai.add(bootstrap::standard_library::map_type<std::map<std::string, float>>("StringFloatMap"));
 
+	// ChaiScript_Extras: String Methods
 	auto stringmethods = chaiscript::extras::string_methods::bootstrap();
 	chai.add(stringmethods);
 
@@ -413,23 +417,16 @@ script::script(const std::string& file) {
 	// Ensure the love namespace is imported and ready.
 	chai.import("love");
 
-	// Load the desired main.chai file.
-	if (file.empty()) {
-		// When no content is provided, display a No Game demo.
-		eval(app->demo(), "demo.chai");
-		mainLoaded = true;
-	} else {
-		// Load the main.chai file.
-		require("conf");
+	// Load the main.chai file.
+	require("conf");
 
-		std::string extension(app->filesystem.getFileExtension(file));
-		if (extension == "chailove" || extension == "chaigame") {
-			mainLoaded = require("main");
-		} else {
-			// Otherwise, load the actual file.
-			std::string filename(app->filesystem.getBasename(file));
-			mainLoaded = require(filename);
-		}
+	std::string extension(app->filesystem.getFileExtension(file));
+	if (extension == "chailove" || extension == "chaigame") {
+		mainLoaded = require("main");
+	} else {
+		// Otherwise, load the actual file.
+		std::string filename(app->filesystem.getBasename(file));
+		mainLoaded = require(filename);
 	}
 
 	// Find the game functions.