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第20章 BN赛艇/BNST/src/com/bn/clp/ShaderManager.java

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+package com.bn.clp;
+import com.bn.core.ShaderUtil;
+
+import android.content.res.Resources;
+
+public class ShaderManager
+{
+	final static int shaderCount=7;
+	final static String[][] shaderName=
+	{
+		{"vertex_color_light.sh","frag_color_light.sh"},
+		{"vertex_b_yz.sh","frag_b_yz.sh"},
+		{"vertex_tex_g.sh","frag_tex_g.sh"},
+		{"vertex_tex_xz.sh","frag_tex_xz.sh"},
+		{"vertex_mountion.sh","frag_mountion.sh"},
+		{"vertex_prograss.sh","frag_prograss.sh"},
+		{"vertex_tex_xz.sh","frag_weilang.sh"}
+	};
+	static String[]mVertexShader=new String[shaderCount];
+	static String[]mFragmentShader=new String[shaderCount];
+	static int[] program=new int[shaderCount];
+	
+	public static void loadCodeFromFile(Resources r)
+	{
+		for(int i=0;i<shaderCount;i++)
+		{  
+			//加载顶点着色器的脚本内容       
+	        mVertexShader[i]=ShaderUtil.loadFromAssetsFile(shaderName[i][0],r);
+	        //加载片元着色器的脚本内容 
+	        mFragmentShader[i]=ShaderUtil.loadFromAssetsFile(shaderName[i][1], r);
+		}	
+	}
+	//这里主要是编译shader
+	public static void compileShader()
+	{		
+		program[0]=ShaderUtil.createProgram(mVertexShader[0], mFragmentShader[0]);
+		program[1]=ShaderUtil.createProgram(mVertexShader[1], mFragmentShader[1]);
+		program[3]=ShaderUtil.createProgram(mVertexShader[3], mFragmentShader[3]);
+		program[4]=ShaderUtil.createProgram(mVertexShader[4], mFragmentShader[4]);
+		program[6]=ShaderUtil.createProgram(mVertexShader[6], mFragmentShader[6]);
+	}
+	
+	public static void compileShaderHY()
+	{
+		program[2]=ShaderUtil.createProgram(mVertexShader[2], mFragmentShader[2]);
+		program[5]=ShaderUtil.createProgram(mVertexShader[5], mFragmentShader[5]);
+	}
+	
+	
+	//这里返回的是设置光照的Shader程序
+	public static int getLightShaderProgram()
+	{
+		return program[0];
+	}
+	//这里返回的是半崖子的Shader程序
+	public static int getBYZTextureShaderProgram()
+	{
+		return program[1];
+	}
+	//这里返回的是只有纹理的Shader程序
+	public static int getTextureShaderProgram()
+	{
+		return program[2];
+	}
+	//这里返回的是绘制水面时用到的Shader程序
+	public static int getWaterShaderProgram()
+	{
+		return program[3];
+	}
+	//这里返回绘制山时用到的Shader程序
+	public static int getMountionShaderProgram()
+	{
+		return program[4];
+	}
+	//这里返回的是进度条的Shader程序
+	public static int getPrograssShaderProgram()
+	{
+		return program[5];
+	}  
+	//返回尾浪的shader程序
+	public static int getWeiLangShaderProgram()
+	{
+		return program[6];
+	}
+}