Added JS engine.

src/script/scripter.h

@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <dawn/dawn.h>
+#include "api/api.h"
+
+/**
+ * Initialize the scripter engine.
+ * 
+ * @param scripter Scripter engine to initialize.
+ * @param engine Game engine to use.
+ */
+void scripterInit(scripter_t *scripter, engine_t *engine);
+
+/**
+ * Dispose a previously created scripter instance.
+ * 
+ * @param scripter Scripter to dispose.
+ */
+void scripterDispose(scripter_t *scripter);
+
+/**
+ * Retreive the scripter instance frm a scripter context.
+ * 
+ * @param ctx Scripter context.
+ * @return Pointer to the scripter instance.
+ */
+scripter_t * scripterFromContext(scriptercontext_t *ctx);
+
+/**
+ * Define a method onto the global scripter stack.
+ * 
+ * @param scripter Scripter to define onto.
+ * @param name Name of the method.
+ * @param argCount Arguments that the method takes.
+ * @param method Pointer to the method to receive the callback.
+ */
+void scripterDefineMethod(scripter_t *scripter,
+  char *name, int32_t argCount, scriptermethod_t *method
+);
+
+/**
+ * Invoke a method (without arguments) off the global stack.
+ * 
+ * @param scripter Scripter to invoke frmo
+ * @param method Method to invoke.
+ * @return True if successful, otherwise false.
+ */
+bool scripterInvokeMethodSimple(scripter_t *scripter, char *method);