merge `master` into `loek/util`

6 files changed, 347 insertions, 0 deletions

diff --git a/src/doc/feature/script.dox b/src/doc/feature/script.dox
new file mode 100644
index 0000000..d25a63b
--- /dev/null
+++ b/src/doc/feature/script.dox
@@ -0,0 +1,62 @@
+// vim:ft=doxygen
+namespace crepe {
+/**
+
+\defgroup feature_script Scripting
+\ingroup feature
+\brief User-defined scripts for game objects
+
+Scripts can be used to implement game behavior, and allow arbitrary code to run
+as part of the game loop. Scripts are implemented as derivative classes of
+Script, which are added to game objects using the BehaviorScript \ref Component
+"component".
+
+\todo This section is incomplete:
+- Utility functions to get components/events/etc inside script
+- How to listen for events
+- Extensions of script (keylistener)
+
+\see Script
+\see BehaviorScript
+\see GameObject
+
+\par Example
+
+First, define a class that inherits from Script. This class acts as an
+interface, and has two functions (\ref Script::init "\c init()" and \ref
+Script::update "\c update()"), which may be implemented (they are empty by
+default). From now on, this derivative class will be referred to as a *concrete
+script*.
+
+```cpp
+#include <crepe/api/Script.h>
+#include <crepe/api/BehaviorScript.h>
+
+class MyScript : public crepe::Script {
+	void init() {
+		// called once
+	}
+	void update() {
+		// called on fixed update
+	}
+};
+```
+
+Concrete scripts can be instantiated and attached to \ref GameObject
+"game objects" using the BehaviorScript \ref Component "component".
+
+```cpp
+using namespace crepe;
+GameObject obj = component_manager.new_object("name");
+
+// create BehaviorScript instance
+BehaviorScript & behavior_script = obj.add_component<BehaviorScript>();
+// attach (and instantiate) MyScript to behavior_script
+behavior_script.set_script<MyScript>();
+
+// the above can also be done in a single call for convenience:
+obj.add_component<BehaviorScript>().set_script<MyScript>();
+```
+
+*/
+}
diff --git a/src/doc/features.dox b/src/doc/features.dox
new file mode 100644
index 0000000..4786bed
--- /dev/null
+++ b/src/doc/features.dox
@@ -0,0 +1,10 @@
+// vim:ft=doxygen
+/**
+
+\defgroup feature Features
+\brief Engine components
+
+This page lists engine features and contains usage instructions for each
+feature.
+
+*/
diff --git a/src/doc/index.dox b/src/doc/index.dox
new file mode 100644
index 0000000..5ec7889
--- /dev/null
+++ b/src/doc/index.dox
@@ -0,0 +1,10 @@
+// vim:ft=doxygen
+/**
+
+\mainpage crêpe game engine
+
+Welcome to the documentation for the crêpe game engine.
+
+\see feature
+
+*/
diff --git a/src/doc/installing.dox b/src/doc/installing.dox
new file mode 100644
index 0000000..48b27d7
--- /dev/null
+++ b/src/doc/installing.dox
@@ -0,0 +1,9 @@
+// vim:ft=doxygen
+/**
+
+\defgroup install Installation
+\brief Engine installation instructions
+
+\todo This entire page
+
+*/
diff --git a/src/doc/layout.xml b/src/doc/layout.xml
new file mode 100644
index 0000000..2244fa7
--- /dev/null
+++ b/src/doc/layout.xml
@@ -0,0 +1,252 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<doxygenlayout version="1.0">
+	<navindex>
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+		<tab type="concepts" visible="yes" title="">
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+		<tab type="interfaces" visible="yes" title="">
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diff --git a/src/doc/style.css b/src/doc/style.css
new file mode 100644
index 0000000..08bc9f5
--- /dev/null
+++ b/src/doc/style.css
@@ -0,0 +1,4 @@
+#titlearea,
+address {
+	display: none;
+}