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The current algorithm for matching a defensive structure to terrain looks at the higher corner of a tile. This new algorithm looks instead at the higher position on a tile where a vertex in the model would intersect the terrain if it were level with the ground. This makes defensive structures match up with the terrain much closer, avoiding the 'jutting out of the terrain' effect of building defensive structures on uneven terrain. This closes ticket:2299

master
Per Inge Mathisen 2010-11-09 19:11:15 +01:00
parent 268f2d0523
commit 77fb642247
1 changed files with 8 additions and 8 deletions
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16
src/structure.c
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@ -1530,7 +1530,6 @@ static void buildFlatten(STRUCTURE *pStructure, UDWORD x, UDWORD y, UDWORD h)
void alignStructure(STRUCTURE *psBuilding)
{
int width, breadth;
int x = psBuilding->pos.x;
int y = psBuilding->pos.y;
unsigned sWidth = getStructureWidth(psBuilding);
@ -1548,17 +1547,18 @@ void alignStructure(STRUCTURE *psBuilding)
}
else
{
iIMDShape *strImd = psBuilding->sDisplay.imd;
int i, pointHeight;
psBuilding->pos.z = TILE_MIN_HEIGHT;
/* Set it at the higher coord */
for (width = 0; width < sWidth; width++)
// Now we got through the shape looking for vertices on the edge
for (i = 0; i < strImd->npoints; i++)
{
for (breadth = 0; breadth < sBreadth; breadth++)
pointHeight = map_Height(psBuilding->pos.x + strImd->points[i].x, psBuilding->pos.y - strImd->points[i].z);
if (pointHeight > psBuilding->pos.z)
{
UDWORD tmpMax, tmpMin;
getTileMaxMin(map_coord(x) + width, map_coord(y) + breadth, &tmpMax, &tmpMin);
psBuilding->pos.z = MAX(tmpMax, psBuilding->pos.z);
psBuilding->pos.z = pointHeight;
}
}
}