libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-02-19 02:38:32 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

TWINE: fixed boundary calculation

Browse Source
This commit is contained in:
Martin Gerhardy 2021-02-27 15:40:04 +01:00
parent f8b16991c9
commit e84a7b85aa
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
engines/twine/renderer/renderer.cpp
View File

@ -1574,15 +1574,15 @@ static const int hmPolyOffset5 = 240; /* 0x00f0 */
static const int hmPolyOffset6 = 300; /* 0x012c */
void Renderer::fillHolomapPolygons(const Vertex &vertex1, const Vertex &vertex2, const Vertex &vertex3, const Vertex &vertex4, int32 &top, int32 &bottom) {
const int32 yBottom = (int32)(uint16)vertex1.y;
const int32 yTop = (int32)(uint16)vertex2.y;
const int32 yBottom = vertex1.y;
const int32 yTop = vertex2.y;
if (yBottom < yTop) {
top = MIN<int32>(yBottom, top);
bottom = MAX<int32>(yTop, bottom);
computeHolomapPolygon(yTop, (uint16)vertex2.x, yBottom, (uint16)vertex1.x, &_polyTab[hmPolyOffset1]);
computeHolomapPolygon(yTop, (uint16)vertex4.x, yBottom, (uint16)vertex3.x, &_polyTab[hmPolyOffset3]);
computeHolomapPolygon(yTop, (uint16)vertex4.y, yBottom, (uint16)vertex3.y, &_polyTab[hmPolyOffset4]);
} else if (yTop < yBottom) {
} else if (yBottom > yTop) {
top = MIN<int32>(yTop, top);
bottom = MAX<int32>(yBottom, bottom);
computeHolomapPolygon(yTop, (uint16)vertex2.x, yBottom, (uint16)vertex1.x, &_polyTab[hmPolyOffset2]);