add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

2015-04-16 09:55:32 -07:00
parent d9feaf2d2a
commit a1bf9c5556
425 changed files with 255913 additions and 0 deletions
--- a/examples/ThirdPartyLibs/Wavefront/main.cpp
+++ b/examples/ThirdPartyLibs/Wavefront/main.cpp
@@ -0,0 +1,107 @@
+#include "tiny_obj_loader.h"
+
+#include <cstdio>
+#include <cstdlib>
+#include <cassert>
+#include <iostream>
+
+static bool
+	TestLoadObj(
+	const char* fileName,
+	bool verbose
+	)
+{
+
+	
+	const char* prefix[]={"./data/","../data/","../../data/","../../../data/","../../../../data/"};
+	char fullPath[1024];
+	int index=-1;
+	{
+		
+		int numPrefixes = sizeof(prefix)/sizeof(char*);
+
+		for (int i=0;i<numPrefixes;i++)
+		{
+			
+			sprintf(fullPath,"%s%s",prefix[i],fileName);
+			FILE* f;
+			f = fopen(fullPath,"r");
+			if (f)
+			{
+				index=i;
+				fclose(f);
+				break;
+				
+			}
+		}
+	}
+
+	if (index<0)
+	{
+		printf("file not found %s\n", fileName);
+		return false;
+	}
+
+	std::cout << "Loading " << fullPath << std::endl;
+
+	std::vector<tinyobj::shape_t> shapes;
+	std::string err = tinyobj::LoadObj(shapes, fullPath, prefix[index]);
+
+	if (!err.empty()) {
+		std::cerr << err << std::endl;
+		return false;
+	}
+
+	std::cout << "# of shapes : " << shapes.size() << std::endl;
+
+	if (verbose)
+	{
+		for (size_t i = 0; i < shapes.size(); i++) {
+			printf("shape[%ld].name = %s\n", i, shapes[i].name.c_str());
+			printf("shape[%ld].indices: %ld\n", i, shapes[i].mesh.indices.size());
+			assert((shapes[i].mesh.indices.size() % 3) == 0);
+			for (size_t f = 0; f < shapes[i].mesh.indices.size(); f++) {
+				printf("  idx[%ld] = %d\n", f, shapes[i].mesh.indices[f]);
+			}
+
+			printf("shape[%ld].vertices: %ld\n", i, shapes[i].mesh.positions.size());
+			assert((shapes[i].mesh.positions.size() % 3) == 0);
+			for (size_t v = 0; v < shapes[i].mesh.positions.size() / 3; v++) {
+				printf("  v[%ld] = (%f, %f, %f)\n", v,
+					shapes[i].mesh.positions[3*v+0],
+					shapes[i].mesh.positions[3*v+1],
+					shapes[i].mesh.positions[3*v+2]);
+			}
+
+			printf("shape[%ld].material.name = %s\n", i, shapes[i].material.name.c_str());
+			printf("  material.Ka = (%f, %f ,%f)\n", shapes[i].material.ambient[0], shapes[i].material.ambient[1], shapes[i].material.ambient[2]);
+			printf("  material.Kd = (%f, %f ,%f)\n", shapes[i].material.diffuse[0], shapes[i].material.diffuse[1], shapes[i].material.diffuse[2]);
+			printf("  material.Ks = (%f, %f ,%f)\n", shapes[i].material.specular[0], shapes[i].material.specular[1], shapes[i].material.specular[2]);
+			printf("  material.Tr = (%f, %f ,%f)\n", shapes[i].material.transmittance[0], shapes[i].material.transmittance[1], shapes[i].material.transmittance[2]);
+			printf("  material.Ke = (%f, %f ,%f)\n", shapes[i].material.emission[0], shapes[i].material.emission[1], shapes[i].material.emission[2]);
+			printf("  material.Ns = %f\n", shapes[i].material.shininess);
+			printf("  material.map_Ka = %s\n", shapes[i].material.ambient_texname.c_str());
+			printf("  material.map_Kd = %s\n", shapes[i].material.diffuse_texname.c_str());
+			printf("  material.map_Ks = %s\n", shapes[i].material.specular_texname.c_str());
+			printf("  material.map_Ns = %s\n", shapes[i].material.normal_texname.c_str());
+			std::map<std::string, std::string>::iterator it(shapes[i].material.unknown_parameter.begin());
+			std::map<std::string, std::string>::iterator itEnd(shapes[i].material.unknown_parameter.end());
+			for (; it != itEnd; it++) {
+				printf("  material.%s = %s\n", it->first.c_str(), it->second.c_str());
+			}
+			printf("\n");
+		}
+	}
+
+	return true;
+}
+
+
+int	main(	int argc,	char **argv)
+{
+//	assert(true == TestLoadObj("cornell_box.obj",true));
+//	assert(true == TestLoadObj("cube.obj",true));
+	assert(true==TestLoadObj("samurai_monastry.obj",false));
+	assert(true==TestLoadObj("teddy2_VHACD_CHs.obj",true));
+	return 0;
+}