From 8e208d0f5bca187588da8ece1b955bdd47e75acd Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Sat, 3 Oct 2015 23:42:21 +0800
Subject: Port the VM function caller from the testbed version. This part still
 requires refinement.

---
 src/core/bullet.cpp     |  3 ++-
 src/core/bullet.hpp     |  1 +
 src/core/fncmodules.cpp | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
 src/core/fncmodules.hpp |  5 ++++-
 src/core/fncwrapper.cpp | 15 +++++++++++++++
 src/core/vmrunner.cpp   | 10 +++++++++-
 src/core/vmrunner.hpp   |  5 ++---
 7 files changed, 80 insertions(+), 7 deletions(-)
 create mode 100644 src/core/fncwrapper.cpp

diff --git a/src/core/bullet.cpp b/src/core/bullet.cpp
index 175bae4..f7bcc90 100644
--- a/src/core/bullet.cpp
+++ b/src/core/bullet.cpp
@@ -17,7 +17,7 @@ void bulletBase::update()
 void bulletBase::render()
 {
 	//test view mode
-	bmInstance->getBulEntity2D(basecolor)->setColor(0xC0FFFFFF);
+	bmInstance->getBulEntity2D(basecolor)->setColor(rendercolor);
 	bmInstance->getBulEntity2D(basecolor)->render(pos.x,pos.y,0,renderscale*0.6);
 }
 bulletBase::~bulletBase(){}
@@ -81,6 +81,7 @@ void bulletManager::updateBullet()
 		x->pos=smvec2d(400,300);
 		x->vel=smvec2d(rand()%100-50,rand()%100-50);
 		x->vel.normalize();
+		x->rendercolor=0xC0FFFFFF;
 		b=0;
 	}
 	for(int i=0;i<alloced;++i)
diff --git a/src/core/bullet.hpp b/src/core/bullet.hpp
index 5f4fe2f..b240e81 100644
--- a/src/core/bullet.hpp
+++ b/src/core/bullet.hpp
@@ -18,6 +18,7 @@ public:
 	int attrd[8];
 	float attrf[8];
 	TColors basecolor;
+	DWORD rendercolor;
 	virtual void init(...);
 	virtual void update();
 	virtual void render();
diff --git a/src/core/fncmodules.cpp b/src/core/fncmodules.cpp
index 8d1c8b6..6ae2570 100644
--- a/src/core/fncmodules.cpp
+++ b/src/core/fncmodules.cpp
@@ -1 +1,47 @@
- 
+#include <cstdarg>
+#include "smmath.hpp"
+#include "bullet.hpp"
+#include "scriptshared.hpp"
+#include "vmrunner.hpp"
+Idata randr(Idata a,...)
+{
+	Idata ret;ret.type=1;
+	va_list val;
+	va_start(val,a);
+	extern blrScriptVM *vm;
+	ret.r()=vm->re->nextDouble(a.r(),va_arg(val,Idata).r());
+	va_end(val);
+	return ret;
+}
+Idata randi(Idata a,...)
+{
+	Idata ret;ret.type=0;
+	va_list val;
+	va_start(val,a);
+	extern blrScriptVM *vm;
+	ret.i()=vm->re->nextInt(a.i(),va_arg(val,Idata).i());
+	va_end(val);
+	return ret;
+}
+Idata createBullet(Idata x,...)
+{
+	Idata y,bs,rad;
+	va_list val;
+	va_start(val,x);
+	y=va_arg(val,Idata);
+	bs=va_arg(val,Idata);
+	rad=va_arg(val,Idata);
+	extern bulletManager *bmInstance;
+	int i=bmInstance->allocBullet<bulletBase>();
+	bmInstance->getHandle(i)->init();
+	bmInstance->getHandle(i)->pos.x=x.r();
+	bmInstance->getHandle(i)->pos.y=y.r();
+	bmInstance->getHandle(i)->vel=bs.r()*smvec2d(cos(rad.r()),sin(rad.r()));
+	bmInstance->getHandle(i)->acc=smvec2d(0,0);
+	bmInstance->getHandle(i)->basecolor=blue;
+	bmInstance->getHandle(i)->rendercolor=0xC0FFFFFF;
+	bmInstance->getHandle(i)->collrange=4;
+	bmInstance->getHandle(i)->scollrange=16;
+	Idata ret;ret.type=0;ret.i()=i;
+	return ret;
+}
diff --git a/src/core/fncmodules.hpp b/src/core/fncmodules.hpp
index 8d1c8b6..fe8eccf 100644
--- a/src/core/fncmodules.hpp
+++ b/src/core/fncmodules.hpp
@@ -1 +1,4 @@
- 
+#include "scriptshared.hpp"
+extern Idata randr(Idata a,...);
+extern Idata randi(Idata a,...);
+extern Idata createBullet(Idata x,...);
diff --git a/src/core/fncwrapper.cpp b/src/core/fncwrapper.cpp
new file mode 100644
index 0000000..b1dd4d7
--- /dev/null
+++ b/src/core/fncwrapper.cpp
@@ -0,0 +1,15 @@
+#include "vmrunner.hpp"
+#include "fncmodules.hpp"
+extern blrScriptVM *vm;
+extern callStack<Idata> callStk;
+extern unsigned getHash(const char *s);
+void callFnc(const char* fnc)
+{
+	if(getHash(fnc)==getHash("randi"))
+	randi(callStk.pop(),callStk.pop());
+	if(getHash(fnc)==getHash("randr"))
+	randr(callStk.pop(),callStk.pop());
+	if(getHash(fnc)==getHash("createBullet"))
+	createBullet(callStk.pop(),callStk.pop(),callStk.pop(),callStk.pop());
+	if(callStk.empty())callStk.clear();
+}
diff --git a/src/core/vmrunner.cpp b/src/core/vmrunner.cpp
index 1942d74..4da775b 100644
--- a/src/core/vmrunner.cpp
+++ b/src/core/vmrunner.cpp
@@ -1,6 +1,8 @@
 #include "vmrunner.hpp"
 #include "coreshared.hpp"
 #include <cstdlib>
+blrScriptVM *vm;
+callStack<Idata> callStk;
 unsigned getHash(const char *s)
 {
 	unsigned r=5381;char c;
@@ -272,9 +274,15 @@ void blrScriptVM::runFunction(const char *fncnym)
 		if(!jmp)++cur;
 	}
 }
-void blrScriptVM::vmInit()
+void blrScriptVM::vmInit(unsigned int seed)
 {
+	for(int i=0;i<103;++i)rr[i].type=1;
+	for(int i=0;i<101;++i)ir[i].type=0;
+	for(int i=0;i<10000;++i)ra[i].type=1,ia[i].type=0;
+	re=new smRandomEngine;
+	re->setSeed(seed);
 }
 void blrScriptVM::vmDeinit()
 {
+	delete re;
 }
diff --git a/src/core/vmrunner.hpp b/src/core/vmrunner.hpp
index 60bc2ce..d9d9a59 100644
--- a/src/core/vmrunner.hpp
+++ b/src/core/vmrunner.hpp
@@ -21,12 +21,10 @@ public:
 	memb front(){return data[l];}
 	memb back(){return data[r];}
 };
-callStack<Idata> callStk;
 typedef struct _fncEntry{int hash,pos;}fncEntry;
 class blrScriptVM
 {
 private:
-	smRandomEngine* re;
 	Idata ir[101],ia[10000];
 	Idata rr[103],ra[10000];
 	SInst inst[65537];
@@ -38,11 +36,12 @@ private:
 	int mgetc();
 	Idata& fetchData(SPara para,bool forcerw=false);
 public:
+	smRandomEngine* re;
 	blrScriptVM(){ic=fncnt=pinst=0;}
 	int loadLSBFromMemory(const char* ptr,DWORD size);
 	int getInstCount();
 	void runFunction(const char *fncnym);
-	void vmInit();
+	void vmInit(unsigned int seed);
 	void vmDeinit();
 };
 #endif
-- 
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