2004-09-23 06:00:56 +02:00
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#include "precompiled.h"
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#include "ogl.h"
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2005-08-15 01:50:37 +02:00
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#include "XML/Xeromyces.h"
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2004-09-23 07:10:03 +02:00
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#include "MaterialManager.h"
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2004-09-23 06:00:56 +02:00
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2004-09-23 07:10:03 +02:00
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static float ClampFloat(float value, float min, float max)
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{
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if(value < min)
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return min;
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else if(value > max)
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return max;
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return value;
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}
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2004-09-23 06:00:56 +02:00
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static SMaterialColor ParseColor(CStr colorStr)
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{
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SMaterialColor color;
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colorStr = colorStr.Trim(PS_TRIM_BOTH);
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CStr tmp;
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int idx = 0;
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long pos = colorStr.Find(' ');
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while(colorStr.Length())
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{
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if(pos == -1)
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2004-09-23 07:10:03 +02:00
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pos = (long)colorStr.Length();
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2004-09-23 06:00:56 +02:00
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tmp = colorStr.GetSubstring(0, pos);
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colorStr = colorStr.GetSubstring(pos, colorStr.Length() - pos);
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colorStr = colorStr.Trim(PS_TRIM_LEFT);
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pos = colorStr.Find(' ');
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float value = 0.0f;
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if(tmp.Find('.') != -1)
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value = tmp.ToFloat();
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else
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{
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int intValue = tmp.ToInt();
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if(intValue > 0)
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{
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if(intValue > 255)
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intValue = 255;
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value = ((float)intValue) / 255.0f;
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}
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}
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2004-09-23 07:10:03 +02:00
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value = ClampFloat(value, 0.0f, 1.0f);
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2004-09-23 06:00:56 +02:00
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switch(idx)
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{
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case 0:
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color.r = value;
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break;
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case 1:
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color.g = value;
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break;
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case 2:
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color.b = value;
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break;
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case 3:
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color.a = value;
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break;
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default:
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break;
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}
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if(idx >= 3)
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break;
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idx++;
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}
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return color;
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}
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static bool ParseUsage(CStr temp)
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{
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temp = temp.LCase().Trim(PS_TRIM_BOTH);
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if(temp == CStr("blend") ||
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temp == CStr("true") ||
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temp == CStr("yes") ||
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temp.ToInt() > 0)
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return true;
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return false;
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}
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2005-10-07 17:24:29 +02:00
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#if 0 // unused
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2004-09-23 06:00:56 +02:00
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static GLenum ParseAlphaFunc(CStr temp)
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{
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temp = temp.LCase().Trim(PS_TRIM_BOTH);
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if(!temp.Length())
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return GL_NONE;
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if(temp == CStr("never"))
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return GL_NEVER;
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else if(temp == CStr("less"))
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return GL_LESS;
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else if(temp == CStr("lequal"))
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return GL_LEQUAL;
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else if(temp == CStr("greater"))
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return GL_GREATER;
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else if(temp == CStr("gequal"))
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return GL_GEQUAL;
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else if(temp == CStr("equal"))
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return GL_EQUAL;
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else if(temp == CStr("notequal"))
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return GL_NOTEQUAL;
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else if(temp == CStr("always"))
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return GL_ALWAYS;
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else
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return GL_NONE;
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}
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static GLenum ParseBlendFunc(CStr temp)
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{
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temp = temp.LCase().Trim(PS_TRIM_BOTH);
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if(!temp.Length())
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return GL_NONE;
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if(temp == CStr("zero"))
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return GL_ZERO;
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else if(temp == CStr("one"))
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return GL_ONE;
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else if(temp == CStr("sourcecolor"))
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return GL_SRC_COLOR;
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else if(temp == CStr("oneminussourcecolor"))
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return GL_ONE_MINUS_SRC_COLOR;
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else if(temp == CStr("destcolor"))
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return GL_DST_COLOR;
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else if(temp == CStr("oneminusdestcolor"))
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return GL_ONE_MINUS_DST_COLOR;
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else if(temp == CStr("sourcealpha"))
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return GL_SRC_ALPHA;
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else if(temp == CStr("oneminussourcealpha"))
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return GL_ONE_MINUS_SRC_ALPHA;
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else if(temp == CStr("destalpha"))
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return GL_DST_ALPHA;
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else if(temp == CStr("oneminusdestalpha"))
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return GL_ONE_MINUS_DST_ALPHA;
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else if(temp == CStr("sourcealphasaturate"))
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return GL_SRC_ALPHA_SATURATE;
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return GL_NONE;
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}
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2005-10-07 17:24:29 +02:00
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#endif
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2004-09-23 06:00:56 +02:00
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2004-09-23 07:10:03 +02:00
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CMaterialManager::CMaterialManager()
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2004-09-23 06:00:56 +02:00
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{
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}
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2004-09-23 07:10:03 +02:00
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CMaterialManager::~CMaterialManager()
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2004-09-23 06:00:56 +02:00
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{
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2004-09-23 07:10:03 +02:00
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std::map<std::string, CMaterial *>::iterator iter;
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for(iter = m_Materials.begin(); iter != m_Materials.end(); iter++)
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{
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if((*iter).second)
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delete (*iter).second;
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}
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2004-09-23 06:00:56 +02:00
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2004-09-23 07:10:03 +02:00
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m_Materials.clear();
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2004-09-23 06:00:56 +02:00
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}
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2004-09-23 07:10:03 +02:00
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CMaterial &CMaterialManager::LoadMaterial(const char *file)
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2004-09-23 06:00:56 +02:00
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{
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2005-04-07 06:29:07 +02:00
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if(!strlen(file))
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return NullMaterial;
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2004-09-24 05:52:03 +02:00
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2005-04-07 06:29:07 +02:00
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std::map<std::string, CMaterial *>::iterator iter;
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if((iter = m_Materials.find(std::string(file))) != m_Materials.end())
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{
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if((*iter).second)
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return *(*iter).second;
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}
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2004-09-23 07:10:03 +02:00
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2004-09-23 06:00:56 +02:00
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CXeromyces xeroFile;
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2004-09-23 07:10:03 +02:00
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if(xeroFile.Load(file) != PSRETURN_OK)
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2005-04-07 06:29:07 +02:00
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return NullMaterial;
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2004-09-23 06:00:56 +02:00
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#define EL(x) int el_##x = xeroFile.getElementID(#x)
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#define AT(x) int at_##x = xeroFile.getAttributeID(#x)
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EL(texture);
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2005-04-07 06:29:07 +02:00
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EL(vertexprogram);
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EL(fragmentprogram);
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2004-09-23 06:00:56 +02:00
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EL(colors);
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AT(diffuse);
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AT(ambient);
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AT(specular);
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2005-10-07 17:24:29 +02:00
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//AT(emissive);
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2004-09-23 06:00:56 +02:00
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AT(specularpower);
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EL(alpha);
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AT(usage);
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#undef AT
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#undef EL
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CMaterial *material = NULL;
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try
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{
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XMBElement root = xeroFile.getRoot();
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XMBElementList childNodes = root.getChildNodes();
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material = new CMaterial();
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2005-04-07 06:29:07 +02:00
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for(int i = 0; i < childNodes.Count; i++)
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2004-09-23 06:00:56 +02:00
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{
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XMBElement node = childNodes.item(i);
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int token = node.getNodeName();
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2005-04-07 06:29:07 +02:00
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XMBAttributeList attrs = node.getAttributes();
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CStr temp;
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if(token == el_texture)
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{
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CStr value(node.getText());
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material->SetTexture(value);
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}
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else if(token == el_vertexprogram)
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{
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CStr value(node.getText());
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material->SetVertexProgram(value);
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}
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else if(token == el_fragmentprogram)
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{
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CStr value(node.getText());
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material->SetFragmentProgram(value);
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}
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2004-09-23 06:00:56 +02:00
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else if(token == el_colors)
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{
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temp = (CStr)attrs.getNamedItem(at_diffuse);
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if(temp.Length() > 0)
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material->SetDiffuse(ParseColor(temp));
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2005-04-07 06:29:07 +02:00
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temp = (CStr)attrs.getNamedItem(at_ambient);
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if(temp.Length() > 0)
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material->SetAmbient(ParseColor(temp));
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2004-09-23 06:00:56 +02:00
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2005-04-07 06:29:07 +02:00
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temp = (CStr)attrs.getNamedItem(at_specular);
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if(temp.Length() > 0)
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material->SetSpecular(ParseColor(temp));
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2004-09-23 06:00:56 +02:00
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2005-04-07 06:29:07 +02:00
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temp = (CStr)attrs.getNamedItem(at_specularpower);
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if(temp.Length() > 0)
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material->SetSpecularPower(ClampFloat(temp.ToFloat(), 0.0f, 1.0f));
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2004-09-23 06:00:56 +02:00
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}
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2005-04-07 06:29:07 +02:00
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else if(token == el_alpha)
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{
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temp = (CStr)attrs.getNamedItem(at_usage);
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2005-01-27 03:52:26 +01:00
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// Determine whether the alpha is used for basic transparency or player color
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2005-04-07 06:29:07 +02:00
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if (temp == "playercolor")
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material->SetPlayerColor_PerPlayer();
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else if (temp == "objectcolor")
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material->SetPlayerColor_PerObject();
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2005-01-27 03:52:26 +01:00
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else
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material->SetUsesAlpha(ParseUsage(temp));
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2005-04-07 06:29:07 +02:00
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}
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2004-09-23 06:00:56 +02:00
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}
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2004-09-23 07:10:03 +02:00
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2005-04-07 06:29:07 +02:00
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m_Materials[file] = material;
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}
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catch(...)
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{
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SAFE_DELETE(material);
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throw;
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2004-09-23 06:00:56 +02:00
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}
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2005-04-07 06:29:07 +02:00
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return *material;
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2004-09-26 23:21:34 +02:00
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}
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