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cpolymodel.cpp
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cpolymodel.cpp
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#include "cpolymodel.h"
CPolyModel::CPolyModel () {
useTexture = useColor = false;
ready_for_render = false;
return;
}
void CPolyModel::initialize ( void (*make_vbo_arrays) (void) ) {
// caller would have passed in a function pointer which will
// write the verts, normals, colors, textures, indices etc arrays
// required to make the vbo
this->p_make_vbo_arrays = make_vbo_arrays;
return;
}
void CPolyModel::setTexture (string texturePath, int format) {
this->texturePath = texturePath;
this->format = format;
useTexture = true;
return;
}
void CPolyModel::setColor (vector4f color) {
this->color.values[R] = color.values[R];
this->color.values[G] = color.values[G];
this->color.values[B] = color.values[B];
this->color.values[A] = color.values[A];
useColor = true;
return;
}
void CPolyModel::setColor (GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
this->color.values[R] = r;
this->color.values[G] = g;
this->color.values[B] = b;
this->color.values[A] = a;
useColor = true;
return;
}
void CPolyModel::make_ready_for_render () {
// Prepare the vbo arrays using the function pointer
p_make_vbo_arrays ();
// Now, call make_VBOs ()
vbo.make_VBOs ();
// make the texture, if applicable
if (useTexture) {
texture.makeTexture (texturePath.c_str (), format);
}
ready_for_render = true;
return;
}
void CPolyModel::draw (int flags) {
if (!ready_for_render) {
switch (flags) {
case RENDER_FLAGS__DEFAULT : return;
case RENDER_FLAGS__MAKE_NOW : this->make_ready_for_render (); break;
case RENDER_FLAGS__PANIC : ASSERT (0, "render called with vbo unmade");
}
}
if (useTexture) {
texture.bindTexture ();
}
if (useColor) {
glColor4f (color.values[R], color.values[G], color.values[B], color.values[A]);
}
vbo.draw ();
return;
}