Merge pull request #356 from libretro/dev

0.31.0

Author: RobLoach

.travis.yml

@@ -6,16 +6,16 @@ matrix:
     - os: linux
       dist: trusty
       sudo: required
+      before_install:
+        - sudo apt-get -qq update
+        - sudo apt-get install g++-7 binutils-2.26
+        - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 90
+        - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 90
+        - export PATH=/usr/lib/binutils-2.26/bin:${PATH}
+
     - os: osx
       osx_image: xcode8.3
 
-before_install:
-  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo apt-get -qq update ; fi
-  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo apt-get install g++-7 binutils-2.26 ; fi
-  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 90 ; fi
-  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 90 ; fi
-  - if [[ "$TRAVIS_OS_NAME" != "osx" ]]; then export PATH=/usr/lib/binutils-2.26/bin:${PATH} ; fi
-
 addons:
   apt:
     sources:

CHANGELOG.md

@@ -4,6 +4,13 @@ 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).
 
+## 0.31.0 - 2018-12-24
+### Chores
+- Update to use the libretro audio callback
+- Updated cppcodec
+- Updated PhysFS
+- Updated libretro-common
+
 ## 0.30.0 - 2018-11-14
 ### Features
 - Added support for classic_armv7_a7

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         = "0.30.0"
+PROJECT_NUMBER         = "0.31.0"
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
 # base path where the generated documentation will be put.

src/ChaiLove.cpp

@@ -169,9 +169,6 @@ std::string ChaiLove::demo() {
 }
 
 void ChaiLove::update() {
-	// Update the sound system.
-	sound.update();
-
 	// Update and poll all the events.
 	event.update();
 

src/ChaiLove.h

@@ -23,11 +23,9 @@
  * This is the full source for "hello world" in ChaiLove, using a `main.chai` file. Running this code will cause an 640 by 480 window to appear, and display white text on a black background.
  *
  * @code
- * global logo
- * global x = 10.0f
- *
  * def load() {
- * 	 logo = love.graphics.newImage("logo.png")
+ * 	 global logo = love.graphics.newImage("logo.png")
+ *   global x = 10.0f
  * }
  *
  * def draw() {
@@ -47,9 +45,9 @@
 #define SRC_CHAILOVE_H_
 
 #define CHAILOVE_VERSION_MAJOR 0
-#define CHAILOVE_VERSION_MINOR 30
+#define CHAILOVE_VERSION_MINOR 31
 #define CHAILOVE_VERSION_PATCH 0
-#define CHAILOVE_VERSION_STRING "0.30.0"
+#define CHAILOVE_VERSION_STRING "0.31.0"
 
 #include "SDL.h"
 #include "libretro.h"

src/libretro.cpp

@@ -309,6 +309,22 @@ void frame_time_cb(retro_usec_t usec) {
 	}
 }
 
+/**
+ * libretro callback; Step the audio forwards a step.
+ */
+void retro_audio_cb() {
+	// Update the sound system.
+	ChaiLove::getInstance()->sound.update();
+}
+
+/**
+ * libretro callback; Set the current state of the audio.
+ */
+void audio_set_state(bool enabled) {
+	// TODO(RobLoach): Act on whether or not audio is enabled/disabled?
+	std::cout << "[ChaiLove] audio_set_state(" << (enabled ? "true" : "false") << ")" << std::endl;
+}
+
 /**
  * libretro callback; Load the given game.
  */
@@ -323,6 +339,10 @@ bool retro_load_game(const struct retro_game_info *info) {
 	struct retro_frame_time_callback frame_cb = { frame_time_cb, 1000000 / 60 };
 	ChaiLove::environ_cb(RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK, &frame_cb);
 
+	// Set the audio callback.
+	struct retro_audio_callback retro_audio = { retro_audio_cb, audio_set_state };
+	ChaiLove::environ_cb(RETRO_ENVIRONMENT_SET_AUDIO_CALLBACK, &retro_audio);
+
 	// Find the game path.
 	std::string gamePath(info ? info->path : "");
 	if (gamePath == ".") {