+++ /dev/null
-#include <msp/core/getopt.h>
-#include <msp/gl/mesh.h>
-#include <msp/io/print.h>
-#include <msp/strings/format.h>
-
-using namespace std;
-using namespace Msp;
-
-const char *types[] =
-{
- "unsigned char", "GL_UNSIGNED_BYTE",
- "unsigned short", "GL_UNSIGNED_SHORT",
- "unsigned", "GL_UNSIGNED_INT"
-};
-
-int main(int argc, char **argv)
-{
- string prefix;
- bool render_func = false;
- bool separate_arrays = false;
- GetOpt getopt;
- getopt.add_option('p', "prefix", prefix, GetOpt::REQUIRED_ARG);
- getopt.add_option('r', "render-func", render_func, GetOpt::NO_ARG);
- getopt.add_option('s', "separate-arrays", separate_arrays, GetOpt::NO_ARG);
- getopt(argc, argv);
-
- const vector<string> &args = getopt.get_args();
- if(args.empty())
- {
- IO::print(IO::cerr, "Usage: %s [options] <meshfile>\n", argv[0]);
- return 1;
- }
-
- GL::Mesh mesh;
- mesh.use_buffers(false);
- DataFile::load(mesh, args[0]);
-
- IO::print("/* Exported from %s */\n", args[0]);
-
- const GL::VertexArray &array = mesh.get_vertices();
- const GL::VertexFormat &fmt = array.get_format();
- unsigned stride = fmt.stride();
- if(separate_arrays)
- {
- unsigned offset = 0;
- for(const unsigned char *i=fmt.begin(); i!=fmt.end(); ++i)
- {
- unsigned kind = (*i)>>2;
- unsigned size = ((*i)&3)+1;
- string name;
- switch(kind)
- {
- case 0:
- name = "vertex";
- break;
- case 1:
- name = "normal";
- break;
- case 2:
- name = "color";
- break;
- case 3:
- name = "texcoord";
- break;
- default:
- if(kind<11)
- name = format("texcoord%d", kind-3);
- else
- name = format("attrib%d", kind-11);
- break;
- }
-
- IO::print("float %s%s_data[] =\n{", prefix, name);
- for(unsigned j=0; j<array.size(); ++j)
- {
- const float *ptr = array[j]+offset;
- IO::print("\n\t");
- for(unsigned k=0; k<size; ++k)
- IO::print("%g, ", ptr[k]);
- }
- IO::print("\n};\n\n");
-
- offset += size;
- }
- }
- else
- {
- IO::print("float %svertex_data[] =\n{", prefix);
- for(unsigned i=0; i<array.size(); ++i)
- {
- const float *ptr = array[i];
- IO::print("\n\t");
- for(unsigned j=0; j<stride; ++j)
- IO::print("%g, ", ptr[j]);
- }
- IO::print("\n};\n\n");
- }
-
- const char **type = 0;
- if(array.size()<0x100)
- type = types;
- else if(array.size()<0x10000)
- type = types+2;
- else
- type = types+4;
-
- IO::print("%s %sindices[] =\n{", type[0], prefix);
- for(list<GL::Batch>::const_iterator i=mesh.get_batches().begin(); i!=mesh.get_batches().end(); ++i)
- {
- unsigned count = i->size();
- for(unsigned j=0; j<count; ++j)
- {
- if(j%16==0)
- IO::print("\n\t");
- IO::print("%d, ", i->get_index(j));
- }
- }
- IO::print("\n};\n\n");
-
- if(render_func)
- IO::print("void %srender()\n{\n", prefix);
- else
- IO::print("/*\nTo render the object, #include this file and add the following code:\n");
- unsigned offset = 0;
- for(const unsigned char *i=fmt.begin(); i!=fmt.end(); ++i)
- {
- unsigned kind = (*i)>>2;
- unsigned size = ((*i)&3)+1;
- string source = format("%svertex_data+%d", prefix, offset);
- switch((*i)>>2)
- {
- case 0:
- if(separate_arrays)
- source = prefix+"vertex_data";
- IO::print("\tglVertexPointer(%d, GL_FLOAT, %d*sizeof(float), %s);\n",
- size, stride, source);
- IO::print("\tglEnableClientState(GL_VERTEX_ARRAY);\n");
- break;
- case 1:
- if(separate_arrays)
- source = prefix+"normal_data";
- IO::print("\tglNormalPointer(GL_FLOAT, %d*sizeof(float), %s);\n",
- stride, source);
- IO::print("\tglEnableClientState(GL_NORMAL_ARRAY);\n");
- break;
- case 2:
- if(separate_arrays)
- source = prefix+"color_data";
- IO::print("\tglColorPointer(%d, GL_FLOAT, %d*sizeof(float), %s);\n",
- size, stride, source);
- IO::print("\tglEnableClientState(GL_COLOR_ARRAY);\n");
- break;
- case 3:
- if(separate_arrays)
- source = prefix+"texcoord_data";
- IO::print("\tglTexCoordPointer(%d, GL_FLOAT, %d*sizeof(float), %s);\n",
- size, stride, source);
- IO::print("\tglEnableClientState(GL_TEXTURE_COORD_ARRAY);\n");
- break;
- default:
- if(kind<11)
- {
- if(separate_arrays)
- source = format("%stexcoord%d_data", prefix, kind-3);
- IO::print("\tglClientActiveTexture(GL_TEXTURE%d);\n", kind-3);
- IO::print("\tglTexCoordPointer(%d, GL_FLOAT, %d*sizeof(float), %s);\n",
- size, stride, source);
- IO::print("\tglEnableClientState(GL_TEXTURE_COORD_ARRAY);\n");
- }
- else
- {
- if(separate_arrays)
- source = format("%sattrib%d_data", prefix, kind-11);
- IO::print("\tglVertexAttribPointer(%d, %d, GL_FLOAT, GL_FALSE, %d*sizeof(float), %s);\n",
- kind-11, size, stride, source);
- IO::print("\tglEnableVertexAttribArray(%d);\n", kind-11);
- }
- break;
- }
- offset += size;
- }
- offset = 0;
- for(list<GL::Batch>::const_iterator i=mesh.get_batches().begin(); i!=mesh.get_batches().end(); ++i)
- {
- string mode;
- switch(i->get_type())
- {
- case GL_TRIANGLE_STRIP: mode = "GL_TRIANGLE_STRIP"; break;
- case GL_TRIANGLES: mode = "GL_TRIANGLES"; break;
- default: mode = format("%d", i->get_type()); break;
- }
- IO::print("\tglDrawElements(%s, %d, %s, %sindices+%d);\n", mode, i->size(), type[1], prefix, offset);
- offset += i->size();
- }
- if(render_func)
- {
- IO::print("}\n\n");
- IO::print("/* To render this object, #include this file and call %srender() */\n", prefix);
- }
- else
- IO::print("*/\n");
-
- return 0;
-}
projects / libs / gl.git / blobdiff