void GameMap1GraphicsComponent::loadMesh(void)
{
int i,j,k;
D3DXVECTOR3 rowPos(0.0,0.0,0.0);
D3DXVECTOR3 colPos(0.0,0.0,0.0);
D3DCOLOR initialColor = D3DCOLOR_XRGB(127, 130, 127);
float rangeMax = 10;
float rangeMin = 0;
numVtx = numRows*numCols;
this->numRows = numRows;
this->numCols = numCols;
this->dx = dx;
this->dz = dz;
float texCoordStepX = 10.0f/numCols;
float texCoordStepY = 10.0f/numRows;
numQuads = (numRows-1) * (numCols-1);
numTriangles = numQuads * 2;
numIndices = numTriangles * 3;
// allocate memory
vtx = (struct MeshVertex *) malloc(sizeof(struct MeshVertex) * numVtx);
if (vtx == NULL) {
// error
goto err;
}
ind = (long *) malloc(sizeof(long) * numTriangles * 3);
if (ind == NULL) {
// error
goto err;
}
// Fill the vertex buffer with positions
k = 0;
for(i = 0; i < numRows; i++) {
// assign the pos vector for all comumns in a row
colPos = rowPos;
for(j = 0; j < numCols; j++) {
// Negate the depth coordinate to put in quadrant four.
// Then offset to center about coordinate system.
vtx[k].pos = colPos;
//vtx[k].pos.y = (long)((double)rand()/(RAND_MAX+1) * (rangeMax - rangeMin)
// + rangeMin);
vtx[k].pos.y = 0;
//vtx[k].color = initialColor;
vtx[k].normal = D3DXVECTOR3(0, 1, 0);
vtx[k].tex1 = D3DXVECTOR2(j*texCoordStepX, i*texCoordStepY);
colPos.x += dx;
k++;
}
rowPos.z += dz;
}
// fill the index buffer
k = 0;
for(i = 0; i < numRows-1; i++) {
for(j = 0; j < numCols-1; j++)
{
// fill indices for the quad
ind[k++] = i * numCols + j;
ind[k++] = (i+1) * numCols + j + 1;
ind[k++] = i * numCols + j + 1;
ind[k++] = i * numCols + j;
ind[k++] = (i+1) * numCols + j;
ind[k++] = (i+1) * numCols + j + 1;
}
}
this->createGraphicsBuffers();
err:
// clean up
FREE_MEMORY_MALLOC(vtx);
FREE_MEMORY_MALLOC(ind);
}
/** Sets the value of the field in the @c ExtentSeries' current record.
Note that @param val must be the correct size (or NULL)
Preconditions:
- The name of the Field must have been set and the associated
@c ExtentSeries must have a current record.
@param val source value for the copy
@param val_size size of the value
*/
void set(const void *val, uint32_t val_size = 0) {
DEBUG_SINVARIANT(dataseries.hasExtent());
set(dataseries.getExtentRef(), rowPos(), val, val_size);
}
/** Returns the value of the field in the @c ExtentSeries' current record.
Preconditions:
- The name of the Field must have been set and the
@c ExtentSeries must have a current record. */
const byte *val() const {
DEBUG_SINVARIANT(dataseries.hasExtent());
return val(dataseries.getExtentRef(), rowPos());
}
/** Returns the value of the field in the @c ExtentSeries' current record.
Preconditions:
- The name of the Field must have been set and the
@c ExtentSeries must have a current record. */
const byte *val(const Extent &e, const dataseries::SEP_RowOffset &row_offset) const {
return val(e, rowPos(e, row_offset));
}
/** Sets the value of the field in the @c ExtentSeries' current record.
Note that @param val must be the correct size (or NULL)
Preconditions:
- The name of the Field must have been set and the associated
@c ExtentSeries must have a current record.
@param e Extent in which set the value
@param row_offset Offset of the row to be set
@param val source value for the copy
@param val_size size of the value
*/
void set(Extent &e, const dataseries::SEP_RowOffset &row_offset,
const void *val, uint32_t val_size = 0) {
set(e, rowPos(e, row_offset), val, val_size);
}
