static inline void drawMesh(MODEL *psModel, int now, int mesh)
{
MESH *psMesh = &psModel->mesh[mesh];
assert(psMesh);
if (psMesh->frameArray)
{
FRAME *psFrame = &psMesh->frameArray[psMesh->currentFrame];
FRAME *nextFrame = psFrame;
double fraction = 1.0f / (psFrame->timeSlice * 1000) * (now - psMesh->lastChange); // until next frame
Vector3f vec;
glPushMatrix(); // save matrix state
assert(psMesh->currentFrame < psMesh->frames);
if (psMesh->currentFrame == psMesh->frames - 1)
{
nextFrame = &psMesh->frameArray[0]; // wrap around
}
else
{
nextFrame = &psMesh->frameArray[psMesh->currentFrame + 1];
}
// Try to avoid crap drivers from taking down the entire system
assert(finitef(psFrame->translation.x) && finitef(psFrame->translation.y) && finitef(psFrame->translation.z));
assert(psFrame->rotation.x >= -360.0f && psFrame->rotation.y >= -360.0f && psFrame->rotation.z >= -360.0f);
assert(psFrame->rotation.x <= 360.0f && psFrame->rotation.y <= 360.0f && psFrame->rotation.z <= 360.0f);
// Translate
interpolateVectors(psFrame->translation, nextFrame->translation, &vec, fraction);
glTranslatef(vec.x, vec.z, vec.y); // z and y flipped
// Rotate
interpolateVectors(psFrame->rotation, nextFrame->rotation, &vec, fraction);
glRotatef(vec.x, 1, 0, 0);
glRotatef(vec.z, 0, 1, 0); // z and y flipped again...
glRotatef(vec.y, 0, 0, 1);
// Morph
if (!psMesh->teamColours)
{
psMesh->currentTextureArray = psFrame->textureArray;
}
}
glTexCoordPointer(2, GL_FLOAT, 0, psMesh->textureArray[psMesh->currentTextureArray]);
glVertexPointer(3, GL_FLOAT, 0, psMesh->vertexArray);
glDrawElements(GL_TRIANGLES, psMesh->faces * 3, GL_UNSIGNED_INT, psMesh->indexArray);
if (psMesh->frameArray)
{
glPopMatrix(); // restore position for next mesh
}
}
Point bkgl::interpolatePoint(int x, int y, Point p1, Point p2, float distance)
{
Color c = colorInterpolation(p1.getColor(), p2.getColor(), distance);
float z = zInterpolation(p1.z, p2.z, distance);
cml::vector4f world = interpolateVectors(p1.world, p2.world, distance);
Normal normal = interpolateVectors(p1.normal, p2.normal, distance);
return Point(x, y, z, 0, c, world, normal);
}
