142 lines
5.2 KiB
Objective-C
142 lines
5.2 KiB
Objective-C
//
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// KRMaterial.h
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#import <stdint.h>
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#import <list>
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#import <string>
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#import "KREngine-common.h"
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using std::list;
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#import "KRTexture.h"
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#import "KRShaderManager.h"
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#import "KRShader.h"
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#import "KRCamera.h"
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#import "KRResource.h"
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#import "KRVector2.h"
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#import "KRScene.h"
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#ifndef KRMATERIAL_H
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#define KRMATERIAL_H
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class KRTextureManager;
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class KRContext;
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class KRMaterial : public KRResource {
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public:
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typedef enum {
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KRMATERIAL_ALPHA_MODE_OPAQUE, // Non-transparent materials
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KRMATERIAL_ALPHA_MODE_TEST, // Alpha in diffuse texture is interpreted as punch-through when < 0.5
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KRMATERIAL_ALPHA_MODE_BLENDONESIDE, // Blended alpha with backface culling
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KRMATERIAL_ALPHA_MODE_BLENDTWOSIDE // Blended alpha rendered in two passes. First pass renders backfaces; second pass renders frontfaces.
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} alpha_mode_type;
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KRMaterial(KRContext &context, const char *szName);
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virtual ~KRMaterial();
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virtual std::string getExtension();
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virtual bool save(const std::string& path);
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void setAmbientMap(std::string texture_name, KRVector2 texture_scale, KRVector2 texture_offset);
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void setDiffuseMap(std::string texture_name, KRVector2 texture_scale, KRVector2 texture_offset);
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void setSpecularMap(std::string texture_name, KRVector2 texture_scale, KRVector2 texture_offset);
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void setReflectionMap(std::string texture_name, KRVector2 texture_scale, KRVector2 texture_offset);
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void setReflectionCube(std::string texture_name);
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void setNormalMap(std::string texture_name, KRVector2 texture_scale, KRVector2 texture_offset);
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void setAmbient(const KRVector3 &c);
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void setDiffuse(const KRVector3 &c);
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void setSpecular(const KRVector3 &c);
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void setReflection(const KRVector3 &c);
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void setTransparency(GLfloat a);
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void setShininess(GLfloat s);
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void setAlphaMode(alpha_mode_type blend_mode);
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alpha_mode_type getAlphaMode();
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bool isTransparent();
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char *getName();
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#if TARGET_OS_IPHONE
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bool bind(KRMaterial **prevBoundMaterial, char *szPrevShaderKey, const KRCamera *pCamera, const KRViewport &viewport, const KRViewport *pShadowViewports, const KRMat4 &matModel, const KRVector3 &lightDirection, GLuint *shadowDepthTextures, int cShadowBuffers, KRContext *pContext, KRTexture *pLightMap, KRNode::RenderPass renderPass);
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#endif
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private:
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char m_szName[256];
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KRTexture *m_pAmbientMap; // mtl map_Ka value
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KRTexture *m_pDiffuseMap; // mtl map_Kd value
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KRTexture *m_pSpecularMap; // mtl map_Ks value
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KRTexture *m_pReflectionMap; // mtl refl value
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KRTexture *m_pReflectionCube;
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KRTexture *m_pNormalMap; // mtl map_Normal value
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std::string m_ambientMap;
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std::string m_diffuseMap;
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std::string m_specularMap;
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std::string m_reflectionMap;
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std::string m_reflectionCube;
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std::string m_normalMap;
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KRVector2 m_ambientMapScale;
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KRVector2 m_ambientMapOffset;
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KRVector2 m_diffuseMapScale;
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KRVector2 m_diffuseMapOffset;
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KRVector2 m_specularMapScale;
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KRVector2 m_specularMapOffset;
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KRVector2 m_reflectionMapScale;
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KRVector2 m_reflectionMapOffset;
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KRVector2 m_normalMapScale;
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KRVector2 m_normalMapOffset;
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KRVector3 m_ambientColor; // Ambient rgb
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KRVector3 m_diffuseColor; // Diffuse rgb
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KRVector3 m_specularColor; // Specular rgb
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KRVector3 m_reflectionColor; // Reflection rgb
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//GLfloat m_ka_r, m_ka_g, m_ka_b; // Ambient rgb
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//GLfloat m_kd_r, m_kd_g, m_kd_b; // Diffuse rgb
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//GLfloat m_ks_r, m_ks_g, m_ks_b; // Specular rgb
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//GLfloat m_kr_r, m_kr_g, m_kr_b; // Reflection rgb
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GLfloat m_tr; // Transparency
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GLfloat m_ns; // Shininess
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alpha_mode_type m_alpha_mode;
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};
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#endif
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