iSDGE/Engine/Graphics/sgMaterial.h

//
//      sgMaterial.h
//      iSDGE
//
//      Created by Nils Daumann on 17.04.10.
//      Copyright (c) 2010 Nils Daumann

//      Permission is hereby granted, free of charge, to any person obtaining a copy
//      of this software and associated documentation files (the "Software"), to deal
//      in the Software without restriction, including without limitation the rights
//      to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//      copies of the Software, and to permit persons to whom the Software is
//      furnished to do so, subject to the following conditions:

//      The above copyright notice and this permission notice shall be included in
//      all copies or substantial portions of the Software.

//      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//      FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//      AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//      LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//      OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//      THE SOFTWARE.

#import <string>
#import <vector>
#import <cstdio>
#import <OpenGLES/ES1/gl.h>
#import <OpenGLES/ES1/glext.h>
#import <OpenGLES/ES2/gl.h>
#import <OpenGLES/ES2/glext.h>

#import "sgBase.h"
#import "sgShader.h"
#import "sgTexture.h"
#import "sgColor.h"
#import "sgMatrix4x4.h"

class sgMaterialParameter
{
public:
        bool operator== (const sgMaterialParameter &other)
        {
                if(location == other.location && parameter == other.parameter)
                        return true;
                
                return false;
        }
        
        bool operator!= (const sgMaterialParameter &other)
        {
                if(location != other.location || parameter != other.parameter)
                        return true;
                
                return false;
        }
        
        std::string name;
        unsigned int location;
        
        void *parameter;
        unsigned int datatype;
        unsigned int size;
        unsigned int count;
};

class sgMaterial : public sgBase
{
        public:
                sgMaterial();
                
                sgMaterial(unsigned int shad);
        
                sgMaterial(const char *vsname, const char *fsname);
        
                sgMaterial(const char *texfile, BOOL mipmaps = TRUE, unsigned int shad = 1);
        
                sgMaterial(const char *vsname, const char *fsname, const char *texfile, BOOL mipmaps = TRUE);
        
                ~sgMaterial();
        
                bool operator== (const sgMaterial &other);
        
                void setDefault();
        
                void setShader(const char *vsname, const char *fsname);
        
                void setShader(unsigned int shad);
        
                void setTexture2D(unsigned int tex, const char *texfile, BOOL mipmaps = TRUE);
        
//              void setPVRTCTexture2D(unsigned int tex, const char *name, unsigned int w, unsigned int h, unsigned int type = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, BOOL mipmaps = TRUE);
        
                void getUniforms();
        
                void addParameter(const char *name, void *ptr, unsigned int datatype = 0, unsigned int size = 3, unsigned int count = 1);
        
                static sgMaterial *getMaterial();
        
                static sgMaterial *getMaterial(unsigned int shad);
                
                static sgMaterial *getMaterial(const char *vsname, const char *fsname);
                
                static sgMaterial *getMaterial(const char *texfile, BOOL mipmaps = TRUE, unsigned int shad = 1);
                
                static sgMaterial *getMaterial(const char *vsname, const char *fsname, const char *texfile, BOOL mipmaps = TRUE);
        
                sgShader *shader;
        
                std::vector<sgTexture*> textures;
        
                std::vector<unsigned int> texlocation;
        
                std::vector<sgMaterialParameter> parameters;
        
                BOOL culling;
        
                unsigned int cullmode;
        
                BOOL blending;
        
                unsigned int blendsource;
        
                unsigned int blenddestination;
        
                BOOL lighting;
        
                BOOL colors;
        
                sgFColorA ambient;
        
                sgFColorA diffuse;
        
                sgFColorA specular;
        
                float shininess;
        
                sgFColorA emissive;
        
                BOOL alphatest;
        
                float alphatestvalue;
        
                BOOL depthtest;
        
                unsigned int depthtestmode;
        
                sgMatrix4x4 mattex;
};

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