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Code Issues Releases Wiki Activity

3d:: texture:: remap single-type textures to 3D geometries

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This commit is contained in:
Zeno Rogue
2019-04-12 15:18:16 +02:00
parent f8a7cf8c74
commit 418fa37dd8
3 changed files with 53 additions and 8 deletions
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40
textures.cpp
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@@ -458,6 +458,38 @@ void texture_config::perform_mapping() {
set<int> missing_cells_known;
void texture_config::finish_mapping() {
tinf3.tvertices.clear();
tinf3.texture_id = config.data.textureid;
if(isize(texture_map) && isize(texture_map.begin()->second.triangles)) {
auto& tri = texture_map.begin()->second.triangles[0];
auto& tv = tri.tv;
const int STEP = TEXTURE_STEP_3D;
using namespace hyperpoint_vec;
auto at = [&] (hyperpoint h, int a) {
h = normalize(h);
tinf3.tvertices.push_back(glhr::pointtogl(texture_coordinates(h)));
};
for(int a=0; a<8; a++)
for(int y=0; y<STEP; y++)
for(int x=0; x<STEP; x++) {
hyperpoint center = tv[0];
hyperpoint v1 = (tv[1] - center) / STEP;
hyperpoint v2 = (tv[2] - center) / STEP;
if(x+y < STEP) {
at(center + v1 * x + v2 * y, 0);
at(center + v1 * (x+1) + v2 * y, 1);
at(center + v1 * x + v2 * (y+1), 2);
}
if(x+y <= STEP && x && y) {
at(center + v1 * x + v2 * y, 0);
at(center + v1 * (x-1) + v2 * y, 1);
at(center + v1 * x + v2 * (y-1), 2);
}
}
}
if(config.tstate == tsActive) {
for(auto& mi: texture_map)
mapTexture2(mi.second);
@@ -1087,11 +1119,11 @@ void showMenu() {
dialog::addItem(XLAT("select geometry/pattern"), 'r');
if(config.tstate_max == tsAdjusting || config.tstate_max == tsActive)
dialog::addItem(XLAT("reactivate the texture"), 't');
dialog::addItem(XLAT("open PNG as texture"), 'o');
if(DIM == 2 && !rug::rugged) dialog::addItem(XLAT("open PNG as texture"), 'o');
dialog::addItem(XLAT("load texture config"), 'l');
dialog::addSelItem(XLAT("texture size"), its(config.data.twidth), 'w');
#if CAP_EDIT
dialog::addItem(XLAT("paint a new texture"), 'n');
if(DIM == 2) dialog::addItem(XLAT("paint a new texture"), 'n');
#endif
dialog::addSelItem(XLAT("precision"), its(config.gsplits), 'P');
@@ -1154,7 +1186,7 @@ void showMenu() {
dialog::addBoolItem(XLAT("aura from texture"), texture_aura, 'a');
dialog::add_action([] () { texture_aura = !texture_aura; });
#if CAP_EDIT
dialog::addItem(XLAT("edit the texture"), 'e');
if(DIM == 2) dialog::addItem(XLAT("edit the texture"), 'e');
#endif
dialog::addItem(XLAT("save the full texture image"), 'S');
dialog::addItem(XLAT("save texture config"), 's');
@@ -1460,7 +1492,9 @@ void drawLine(hyperpoint h1, hyperpoint h2, color_t col, int steps) {
}
void texture_config::true_remap() {
conformal::configure();
drawthemap();
if(DIM == 3) return;
clear_texture_map();
missing_cells_known.clear();
for(cell *c: dcal) {