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Fixed texture coordinates for vector screen quad (nw)

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This commit is contained in:
ImJezze 2016-04-16 15:46:04 +02:00
parent 95309f461e
commit 454db9d5d3
1 changed files with 32 additions and 1 deletions
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33
src/emu/render.cpp
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@ -1890,8 +1890,39 @@ void render_target::add_container_primitives(render_primitive_list &list, const
if (PRIMFLAG_GET_VECTORBUF(curitem.flags()))
{
// flags S swap-xy, Y flip-y, X flip-x
//
// S Y X e.g. flips
// 0 0 0 asteroid !X !Y
// 0 0 1 -
// 0 1 0 speedfrk !X Y
// 0 1 1 solarq X Y
// 1 0 0 -
// 1 0 1 -
// 1 1 0 tempest !X Y
// 1 1 1 barrier !X !Y
bool flip_x = (manager().machine().system().flags & ORIENTATION_FLIP_X) == ORIENTATION_FLIP_X;
bool flip_y = (manager().machine().system().flags & ORIENTATION_FLIP_Y) == ORIENTATION_FLIP_Y;
bool swap_xy = (manager().machine().system().flags & ORIENTATION_SWAP_XY) == ORIENTATION_SWAP_XY;
int vectororient = 0;
if (flip_x)
{
vectororient |= ORIENTATION_FLIP_X;
}
if (flip_y)
{
vectororient |= ORIENTATION_FLIP_Y;
}
if (flip_x && flip_y && swap_xy)
{
vectororient ^= ORIENTATION_FLIP_Y;
vectororient ^= ORIENTATION_FLIP_X;
}
// determine the final orientation (textures are up-side down, so flip y-axis for vectors to immitate that behavior)
int finalorient = orientation_add(ORIENTATION_FLIP_Y, container_xform.orientation);
int finalorient = orientation_add(vectororient, container_xform.orientation);
// determine UV coordinates
prim->texcoords = oriented_texcoords[finalorient];